@@ -314,25 +314,6 @@ Description:
board_id: (RO) Manufacturing board ID
-sysfs interface for Chelsio T3 RDMA Driver (cxgb3)
---------------------------------------------------
-
-What: /sys/class/infiniband/cxgb3_X/hw_rev
-What: /sys/class/infiniband/cxgb3_X/hca_type
-What: /sys/class/infiniband/cxgb3_X/board_id
-Date: Feb, 2007
-KernelVersion: v2.6.21
-Contact: linux-rdma@vger.kernel.org
-Description:
- hw_rev: (RO) Hardware revision number
-
- hca_type: (RO) HCA type. Here it is a driver short name.
- It should normally match the name in its bus
- driver structure (e.g. pci_driver::name).
-
- board_id: (RO) Manufacturing board id
-
-
sysfs interface for Mellanox ConnectX HCA IB driver (mlx4)
----------------------------------------------------------
@@ -4468,14 +4468,6 @@ W: http://www.chelsio.com
S: Supported
F: drivers/scsi/cxgbi/cxgb3i
-CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
-M: Potnuri Bharat Teja <bharat@chelsio.com>
-L: linux-rdma@vger.kernel.org
-W: http://www.openfabrics.org
-S: Supported
-F: drivers/infiniband/hw/cxgb3/
-F: include/uapi/rdma/cxgb3-abi.h
-
CXGB4 CRYPTO DRIVER (chcr)
M: Atul Gupta <atul.gupta@chelsio.com>
L: linux-crypto@vger.kernel.org
@@ -83,7 +83,6 @@ config INFINIBAND_ADDR_TRANS_CONFIGFS
if INFINIBAND_USER_ACCESS || !INFINIBAND_USER_ACCESS
source "drivers/infiniband/hw/mthca/Kconfig"
source "drivers/infiniband/hw/qib/Kconfig"
-source "drivers/infiniband/hw/cxgb3/Kconfig"
source "drivers/infiniband/hw/cxgb4/Kconfig"
source "drivers/infiniband/hw/efa/Kconfig"
source "drivers/infiniband/hw/i40iw/Kconfig"
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_INFINIBAND_MTHCA) += mthca/
obj-$(CONFIG_INFINIBAND_QIB) += qib/
-obj-$(CONFIG_INFINIBAND_CXGB3) += cxgb3/
obj-$(CONFIG_INFINIBAND_CXGB4) += cxgb4/
obj-$(CONFIG_INFINIBAND_EFA) += efa/
obj-$(CONFIG_INFINIBAND_I40IW) += i40iw/
deleted file mode 100644
@@ -1,19 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-config INFINIBAND_CXGB3
- tristate "Chelsio RDMA Driver"
- depends on CHELSIO_T3
- select GENERIC_ALLOCATOR
- ---help---
- This is an iWARP/RDMA driver for the Chelsio T3 1GbE and
- 10GbE adapters.
-
- For general information about Chelsio and our products, visit
- our website at <http://www.chelsio.com>.
-
- For customer support, please visit our customer support page at
- <http://www.chelsio.com/support.html>.
-
- Please send feedback to <linux-bugs@chelsio.com>.
-
- To compile this driver as a module, choose M here: the module
- will be called iw_cxgb3.
deleted file mode 100644
@@ -1,7 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-ccflags-y := -I $(srctree)/drivers/net/ethernet/chelsio/cxgb3
-
-obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o
-
-iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \
- iwch_provider.o iwch.o cxio_hal.o cxio_resource.o
deleted file mode 100644
@@ -1,1312 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <asm/delay.h>
-
-#include <linux/mutex.h>
-#include <linux/netdevice.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/pci.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-#include <net/net_namespace.h>
-
-#include "cxio_resource.h"
-#include "cxio_hal.h"
-#include "cxgb3_offload.h"
-#include "sge_defs.h"
-
-static LIST_HEAD(rdev_list);
-static cxio_hal_ev_callback_func_t cxio_ev_cb = NULL;
-
-static struct cxio_rdev *cxio_hal_find_rdev_by_name(char *dev_name)
-{
- struct cxio_rdev *rdev;
-
- list_for_each_entry(rdev, &rdev_list, entry)
- if (!strcmp(rdev->dev_name, dev_name))
- return rdev;
- return NULL;
-}
-
-static struct cxio_rdev *cxio_hal_find_rdev_by_t3cdev(struct t3cdev *tdev)
-{
- struct cxio_rdev *rdev;
-
- list_for_each_entry(rdev, &rdev_list, entry)
- if (rdev->t3cdev_p == tdev)
- return rdev;
- return NULL;
-}
-
-int cxio_hal_cq_op(struct cxio_rdev *rdev_p, struct t3_cq *cq,
- enum t3_cq_opcode op, u32 credit)
-{
- int ret;
- struct t3_cqe *cqe;
- u32 rptr;
-
- struct rdma_cq_op setup;
- setup.id = cq->cqid;
- setup.credits = (op == CQ_CREDIT_UPDATE) ? credit : 0;
- setup.op = op;
- ret = rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_OP, &setup);
-
- if ((ret < 0) || (op == CQ_CREDIT_UPDATE))
- return ret;
-
- /*
- * If the rearm returned an index other than our current index,
- * then there might be CQE's in flight (being DMA'd). We must wait
- * here for them to complete or the consumer can miss a notification.
- */
- if (Q_PTR2IDX((cq->rptr), cq->size_log2) != ret) {
- int i=0;
-
- rptr = cq->rptr;
-
- /*
- * Keep the generation correct by bumping rptr until it
- * matches the index returned by the rearm - 1.
- */
- while (Q_PTR2IDX((rptr+1), cq->size_log2) != ret)
- rptr++;
-
- /*
- * Now rptr is the index for the (last) cqe that was
- * in-flight at the time the HW rearmed the CQ. We
- * spin until that CQE is valid.
- */
- cqe = cq->queue + Q_PTR2IDX(rptr, cq->size_log2);
- while (!CQ_VLD_ENTRY(rptr, cq->size_log2, cqe)) {
- udelay(1);
- if (i++ > 1000000) {
- pr_err("%s: stalled rnic\n", rdev_p->dev_name);
- return -EIO;
- }
- }
-
- return 1;
- }
-
- return 0;
-}
-
-static int cxio_hal_clear_cq_ctx(struct cxio_rdev *rdev_p, u32 cqid)
-{
- struct rdma_cq_setup setup;
- setup.id = cqid;
- setup.base_addr = 0; /* NULL address */
- setup.size = 0; /* disaable the CQ */
- setup.credits = 0;
- setup.credit_thres = 0;
- setup.ovfl_mode = 0;
- return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
-}
-
-static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
-{
- u64 sge_cmd;
- struct t3_modify_qp_wr *wqe;
- struct sk_buff *skb = alloc_skb(sizeof(*wqe), GFP_KERNEL);
- if (!skb) {
- pr_debug("%s alloc_skb failed\n", __func__);
- return -ENOMEM;
- }
- wqe = skb_put_zero(skb, sizeof(*wqe));
- build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD,
- T3_COMPLETION_FLAG | T3_NOTIFY_FLAG, 0, qpid, 7,
- T3_SOPEOP);
- wqe->flags = cpu_to_be32(MODQP_WRITE_EC);
- sge_cmd = qpid << 8 | 3;
- wqe->sge_cmd = cpu_to_be64(sge_cmd);
- skb->priority = CPL_PRIORITY_CONTROL;
- return iwch_cxgb3_ofld_send(rdev_p->t3cdev_p, skb);
-}
-
-int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
-{
- struct rdma_cq_setup setup;
- int size = (1UL << (cq->size_log2)) * sizeof(struct t3_cqe);
-
- size += 1; /* one extra page for storing cq-in-err state */
- cq->cqid = cxio_hal_get_cqid(rdev_p->rscp);
- if (!cq->cqid)
- return -ENOMEM;
- if (kernel) {
- cq->sw_queue = kzalloc(size, GFP_KERNEL);
- if (!cq->sw_queue)
- return -ENOMEM;
- }
- cq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev), size,
- &(cq->dma_addr), GFP_KERNEL);
- if (!cq->queue) {
- kfree(cq->sw_queue);
- return -ENOMEM;
- }
- dma_unmap_addr_set(cq, mapping, cq->dma_addr);
- setup.id = cq->cqid;
- setup.base_addr = (u64) (cq->dma_addr);
- setup.size = 1UL << cq->size_log2;
- setup.credits = 65535;
- setup.credit_thres = 1;
- if (rdev_p->t3cdev_p->type != T3A)
- setup.ovfl_mode = 0;
- else
- setup.ovfl_mode = 1;
- return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
-}
-
-static u32 get_qpid(struct cxio_rdev *rdev_p, struct cxio_ucontext *uctx)
-{
- struct cxio_qpid_list *entry;
- u32 qpid;
- int i;
-
- mutex_lock(&uctx->lock);
- if (!list_empty(&uctx->qpids)) {
- entry = list_entry(uctx->qpids.next, struct cxio_qpid_list,
- entry);
- list_del(&entry->entry);
- qpid = entry->qpid;
- kfree(entry);
- } else {
- qpid = cxio_hal_get_qpid(rdev_p->rscp);
- if (!qpid)
- goto out;
- for (i = qpid+1; i & rdev_p->qpmask; i++) {
- entry = kmalloc(sizeof(*entry), GFP_KERNEL);
- if (!entry)
- break;
- entry->qpid = i;
- list_add_tail(&entry->entry, &uctx->qpids);
- }
- }
-out:
- mutex_unlock(&uctx->lock);
- pr_debug("%s qpid 0x%x\n", __func__, qpid);
- return qpid;
-}
-
-static void put_qpid(struct cxio_rdev *rdev_p, u32 qpid,
- struct cxio_ucontext *uctx)
-{
- struct cxio_qpid_list *entry;
-
- entry = kmalloc(sizeof(*entry), GFP_KERNEL);
- if (!entry)
- return;
- pr_debug("%s qpid 0x%x\n", __func__, qpid);
- entry->qpid = qpid;
- mutex_lock(&uctx->lock);
- list_add_tail(&entry->entry, &uctx->qpids);
- mutex_unlock(&uctx->lock);
-}
-
-void cxio_release_ucontext(struct cxio_rdev *rdev_p, struct cxio_ucontext *uctx)
-{
- struct list_head *pos, *nxt;
- struct cxio_qpid_list *entry;
-
- mutex_lock(&uctx->lock);
- list_for_each_safe(pos, nxt, &uctx->qpids) {
- entry = list_entry(pos, struct cxio_qpid_list, entry);
- list_del_init(&entry->entry);
- if (!(entry->qpid & rdev_p->qpmask))
- cxio_hal_put_qpid(rdev_p->rscp, entry->qpid);
- kfree(entry);
- }
- mutex_unlock(&uctx->lock);
-}
-
-void cxio_init_ucontext(struct cxio_rdev *rdev_p, struct cxio_ucontext *uctx)
-{
- INIT_LIST_HEAD(&uctx->qpids);
- mutex_init(&uctx->lock);
-}
-
-int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain,
- struct t3_wq *wq, struct cxio_ucontext *uctx)
-{
- int depth = 1UL << wq->size_log2;
- int rqsize = 1UL << wq->rq_size_log2;
-
- wq->qpid = get_qpid(rdev_p, uctx);
- if (!wq->qpid)
- return -ENOMEM;
-
- wq->rq = kcalloc(depth, sizeof(struct t3_swrq), GFP_KERNEL);
- if (!wq->rq)
- goto err1;
-
- wq->rq_addr = cxio_hal_rqtpool_alloc(rdev_p, rqsize);
- if (!wq->rq_addr)
- goto err2;
-
- wq->sq = kcalloc(depth, sizeof(struct t3_swsq), GFP_KERNEL);
- if (!wq->sq)
- goto err3;
-
- wq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev),
- depth * sizeof(union t3_wr),
- &(wq->dma_addr), GFP_KERNEL);
- if (!wq->queue)
- goto err4;
-
- dma_unmap_addr_set(wq, mapping, wq->dma_addr);
- wq->doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr;
- if (!kernel_domain)
- wq->udb = (u64)rdev_p->rnic_info.udbell_physbase +
- (wq->qpid << rdev_p->qpshift);
- wq->rdev = rdev_p;
- pr_debug("%s qpid 0x%x doorbell 0x%p udb 0x%llx\n",
- __func__, wq->qpid, wq->doorbell, (unsigned long long)wq->udb);
- return 0;
-err4:
- kfree(wq->sq);
-err3:
- cxio_hal_rqtpool_free(rdev_p, wq->rq_addr, rqsize);
-err2:
- kfree(wq->rq);
-err1:
- put_qpid(rdev_p, wq->qpid, uctx);
- return -ENOMEM;
-}
-
-void cxio_destroy_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
-{
- cxio_hal_clear_cq_ctx(rdev_p, cq->cqid);
- kfree(cq->sw_queue);
- dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
- (1UL << (cq->size_log2))
- * sizeof(struct t3_cqe) + 1, cq->queue,
- dma_unmap_addr(cq, mapping));
- cxio_hal_put_cqid(rdev_p->rscp, cq->cqid);
-}
-
-int cxio_destroy_qp(struct cxio_rdev *rdev_p, struct t3_wq *wq,
- struct cxio_ucontext *uctx)
-{
- dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
- (1UL << (wq->size_log2))
- * sizeof(union t3_wr), wq->queue,
- dma_unmap_addr(wq, mapping));
- kfree(wq->sq);
- cxio_hal_rqtpool_free(rdev_p, wq->rq_addr, (1UL << wq->rq_size_log2));
- kfree(wq->rq);
- put_qpid(rdev_p, wq->qpid, uctx);
- return 0;
-}
-
-static void insert_recv_cqe(struct t3_wq *wq, struct t3_cq *cq)
-{
- struct t3_cqe cqe;
-
- pr_debug("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __func__,
- wq, cq, cq->sw_rptr, cq->sw_wptr);
- memset(&cqe, 0, sizeof(cqe));
- cqe.header = cpu_to_be32(V_CQE_STATUS(TPT_ERR_SWFLUSH) |
- V_CQE_OPCODE(T3_SEND) |
- V_CQE_TYPE(0) |
- V_CQE_SWCQE(1) |
- V_CQE_QPID(wq->qpid) |
- V_CQE_GENBIT(Q_GENBIT(cq->sw_wptr,
- cq->size_log2)));
- *(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2)) = cqe;
- cq->sw_wptr++;
-}
-
-int cxio_flush_rq(struct t3_wq *wq, struct t3_cq *cq, int count)
-{
- u32 ptr;
- int flushed = 0;
-
- pr_debug("%s wq %p cq %p\n", __func__, wq, cq);
-
- /* flush RQ */
- pr_debug("%s rq_rptr %u rq_wptr %u skip count %u\n", __func__,
- wq->rq_rptr, wq->rq_wptr, count);
- ptr = wq->rq_rptr + count;
- while (ptr++ != wq->rq_wptr) {
- insert_recv_cqe(wq, cq);
- flushed++;
- }
- return flushed;
-}
-
-static void insert_sq_cqe(struct t3_wq *wq, struct t3_cq *cq,
- struct t3_swsq *sqp)
-{
- struct t3_cqe cqe;
-
- pr_debug("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __func__,
- wq, cq, cq->sw_rptr, cq->sw_wptr);
- memset(&cqe, 0, sizeof(cqe));
- cqe.header = cpu_to_be32(V_CQE_STATUS(TPT_ERR_SWFLUSH) |
- V_CQE_OPCODE(sqp->opcode) |
- V_CQE_TYPE(1) |
- V_CQE_SWCQE(1) |
- V_CQE_QPID(wq->qpid) |
- V_CQE_GENBIT(Q_GENBIT(cq->sw_wptr,
- cq->size_log2)));
- cqe.u.scqe.wrid_hi = sqp->sq_wptr;
-
- *(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2)) = cqe;
- cq->sw_wptr++;
-}
-
-int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count)
-{
- __u32 ptr = wq->sq_rptr + count;
- int flushed = 0;
- struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
-
- while (ptr != wq->sq_wptr) {
- sqp->signaled = 0;
- insert_sq_cqe(wq, cq, sqp);
- ptr++;
- sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
- flushed++;
- }
- return flushed;
-}
-
-/*
- * Move all CQEs from the HWCQ into the SWCQ.
- */
-void cxio_flush_hw_cq(struct t3_cq *cq)
-{
- struct t3_cqe *cqe, *swcqe;
-
- pr_debug("%s cq %p cqid 0x%x\n", __func__, cq, cq->cqid);
- cqe = cxio_next_hw_cqe(cq);
- while (cqe) {
- pr_debug("%s flushing hwcq rptr 0x%x to swcq wptr 0x%x\n",
- __func__, cq->rptr, cq->sw_wptr);
- swcqe = cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2);
- *swcqe = *cqe;
- swcqe->header |= cpu_to_be32(V_CQE_SWCQE(1));
- cq->sw_wptr++;
- cq->rptr++;
- cqe = cxio_next_hw_cqe(cq);
- }
-}
-
-static int cqe_completes_wr(struct t3_cqe *cqe, struct t3_wq *wq)
-{
- if (CQE_OPCODE(*cqe) == T3_TERMINATE)
- return 0;
-
- if ((CQE_OPCODE(*cqe) == T3_RDMA_WRITE) && RQ_TYPE(*cqe))
- return 0;
-
- if ((CQE_OPCODE(*cqe) == T3_READ_RESP) && SQ_TYPE(*cqe))
- return 0;
-
- if (CQE_SEND_OPCODE(*cqe) && RQ_TYPE(*cqe) &&
- Q_EMPTY(wq->rq_rptr, wq->rq_wptr))
- return 0;
-
- return 1;
-}
-
-void cxio_count_scqes(struct t3_cq *cq, struct t3_wq *wq, int *count)
-{
- struct t3_cqe *cqe;
- u32 ptr;
-
- *count = 0;
- ptr = cq->sw_rptr;
- while (!Q_EMPTY(ptr, cq->sw_wptr)) {
- cqe = cq->sw_queue + (Q_PTR2IDX(ptr, cq->size_log2));
- if ((SQ_TYPE(*cqe) ||
- ((CQE_OPCODE(*cqe) == T3_READ_RESP) && wq->oldest_read)) &&
- (CQE_QPID(*cqe) == wq->qpid))
- (*count)++;
- ptr++;
- }
- pr_debug("%s cq %p count %d\n", __func__, cq, *count);
-}
-
-void cxio_count_rcqes(struct t3_cq *cq, struct t3_wq *wq, int *count)
-{
- struct t3_cqe *cqe;
- u32 ptr;
-
- *count = 0;
- pr_debug("%s count zero %d\n", __func__, *count);
- ptr = cq->sw_rptr;
- while (!Q_EMPTY(ptr, cq->sw_wptr)) {
- cqe = cq->sw_queue + (Q_PTR2IDX(ptr, cq->size_log2));
- if (RQ_TYPE(*cqe) && (CQE_OPCODE(*cqe) != T3_READ_RESP) &&
- (CQE_QPID(*cqe) == wq->qpid) && cqe_completes_wr(cqe, wq))
- (*count)++;
- ptr++;
- }
- pr_debug("%s cq %p count %d\n", __func__, cq, *count);
-}
-
-static int cxio_hal_init_ctrl_cq(struct cxio_rdev *rdev_p)
-{
- struct rdma_cq_setup setup;
- setup.id = 0;
- setup.base_addr = 0; /* NULL address */
- setup.size = 1; /* enable the CQ */
- setup.credits = 0;
-
- /* force SGE to redirect to RspQ and interrupt */
- setup.credit_thres = 0;
- setup.ovfl_mode = 1;
- return (rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_CQ_SETUP, &setup));
-}
-
-static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
-{
- int err;
- u64 sge_cmd, ctx0, ctx1;
- u64 base_addr;
- struct t3_modify_qp_wr *wqe;
- struct sk_buff *skb;
-
- skb = alloc_skb(sizeof(*wqe), GFP_KERNEL);
- if (!skb) {
- pr_debug("%s alloc_skb failed\n", __func__);
- return -ENOMEM;
- }
- err = cxio_hal_init_ctrl_cq(rdev_p);
- if (err) {
- pr_debug("%s err %d initializing ctrl_cq\n", __func__, err);
- goto err;
- }
- rdev_p->ctrl_qp.workq = dma_alloc_coherent(
- &(rdev_p->rnic_info.pdev->dev),
- (1 << T3_CTRL_QP_SIZE_LOG2) *
- sizeof(union t3_wr),
- &(rdev_p->ctrl_qp.dma_addr),
- GFP_KERNEL);
- if (!rdev_p->ctrl_qp.workq) {
- pr_debug("%s dma_alloc_coherent failed\n", __func__);
- err = -ENOMEM;
- goto err;
- }
- dma_unmap_addr_set(&rdev_p->ctrl_qp, mapping,
- rdev_p->ctrl_qp.dma_addr);
- rdev_p->ctrl_qp.doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr;
-
- mutex_init(&rdev_p->ctrl_qp.lock);
- init_waitqueue_head(&rdev_p->ctrl_qp.waitq);
-
- /* update HW Ctrl QP context */
- base_addr = rdev_p->ctrl_qp.dma_addr;
- base_addr >>= 12;
- ctx0 = (V_EC_SIZE((1 << T3_CTRL_QP_SIZE_LOG2)) |
- V_EC_BASE_LO((u32) base_addr & 0xffff));
- ctx0 <<= 32;
- ctx0 |= V_EC_CREDITS(FW_WR_NUM);
- base_addr >>= 16;
- ctx1 = (u32) base_addr;
- base_addr >>= 32;
- ctx1 |= ((u64) (V_EC_BASE_HI((u32) base_addr & 0xf) | V_EC_RESPQ(0) |
- V_EC_TYPE(0) | V_EC_GEN(1) |
- V_EC_UP_TOKEN(T3_CTL_QP_TID) | F_EC_VALID)) << 32;
- wqe = skb_put_zero(skb, sizeof(*wqe));
- build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 0, 0,
- T3_CTL_QP_TID, 7, T3_SOPEOP);
- wqe->flags = cpu_to_be32(MODQP_WRITE_EC);
- sge_cmd = (3ULL << 56) | FW_RI_SGEEC_START << 8 | 3;
- wqe->sge_cmd = cpu_to_be64(sge_cmd);
- wqe->ctx1 = cpu_to_be64(ctx1);
- wqe->ctx0 = cpu_to_be64(ctx0);
- pr_debug("CtrlQP dma_addr %pad workq %p size %d\n",
- &rdev_p->ctrl_qp.dma_addr, rdev_p->ctrl_qp.workq,
- 1 << T3_CTRL_QP_SIZE_LOG2);
- skb->priority = CPL_PRIORITY_CONTROL;
- return iwch_cxgb3_ofld_send(rdev_p->t3cdev_p, skb);
-err:
- kfree_skb(skb);
- return err;
-}
-
-static int cxio_hal_destroy_ctrl_qp(struct cxio_rdev *rdev_p)
-{
- dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
- (1UL << T3_CTRL_QP_SIZE_LOG2)
- * sizeof(union t3_wr), rdev_p->ctrl_qp.workq,
- dma_unmap_addr(&rdev_p->ctrl_qp, mapping));
- return cxio_hal_clear_qp_ctx(rdev_p, T3_CTRL_QP_ID);
-}
-
-/* write len bytes of data into addr (32B aligned address)
- * If data is NULL, clear len byte of memory to zero.
- * caller acquires the ctrl_qp lock before the call
- */
-static int cxio_hal_ctrl_qp_write_mem(struct cxio_rdev *rdev_p, u32 addr,
- u32 len, void *data)
-{
- u32 i, nr_wqe, copy_len;
- u8 *copy_data;
- u8 wr_len, utx_len; /* length in 8 byte flit */
- enum t3_wr_flags flag;
- __be64 *wqe;
- u64 utx_cmd;
- addr &= 0x7FFFFFF;
- nr_wqe = len % 96 ? len / 96 + 1 : len / 96; /* 96B max per WQE */
- pr_debug("%s wptr 0x%x rptr 0x%x len %d, nr_wqe %d data %p addr 0x%0x\n",
- __func__, rdev_p->ctrl_qp.wptr, rdev_p->ctrl_qp.rptr, len,
- nr_wqe, data, addr);
- utx_len = 3; /* in 32B unit */
- for (i = 0; i < nr_wqe; i++) {
- if (Q_FULL(rdev_p->ctrl_qp.rptr, rdev_p->ctrl_qp.wptr,
- T3_CTRL_QP_SIZE_LOG2)) {
- pr_debug("%s ctrl_qp full wtpr 0x%0x rptr 0x%0x, wait for more space i %d\n",
- __func__,
- rdev_p->ctrl_qp.wptr, rdev_p->ctrl_qp.rptr, i);
- if (wait_event_interruptible(rdev_p->ctrl_qp.waitq,
- !Q_FULL(rdev_p->ctrl_qp.rptr,
- rdev_p->ctrl_qp.wptr,
- T3_CTRL_QP_SIZE_LOG2))) {
- pr_debug("%s ctrl_qp workq interrupted\n",
- __func__);
- return -ERESTARTSYS;
- }
- pr_debug("%s ctrl_qp wakeup, continue posting work request i %d\n",
- __func__, i);
- }
- wqe = (__be64 *)(rdev_p->ctrl_qp.workq + (rdev_p->ctrl_qp.wptr %
- (1 << T3_CTRL_QP_SIZE_LOG2)));
- flag = 0;
- if (i == (nr_wqe - 1)) {
- /* last WQE */
- flag = T3_COMPLETION_FLAG;
- if (len % 32)
- utx_len = len / 32 + 1;
- else
- utx_len = len / 32;
- }
-
- /*
- * Force a CQE to return the credit to the workq in case
- * we posted more than half the max QP size of WRs
- */
- if ((i != 0) &&
- (i % (((1 << T3_CTRL_QP_SIZE_LOG2)) >> 1) == 0)) {
- flag = T3_COMPLETION_FLAG;
- pr_debug("%s force completion at i %d\n", __func__, i);
- }
-
- /* build the utx mem command */
- wqe += (sizeof(struct t3_bypass_wr) >> 3);
- utx_cmd = (T3_UTX_MEM_WRITE << 28) | (addr + i * 3);
- utx_cmd <<= 32;
- utx_cmd |= (utx_len << 28) | ((utx_len << 2) + 1);
- *wqe = cpu_to_be64(utx_cmd);
- wqe++;
- copy_data = (u8 *) data + i * 96;
- copy_len = len > 96 ? 96 : len;
-
- /* clear memory content if data is NULL */
- if (data)
- memcpy(wqe, copy_data, copy_len);
- else
- memset(wqe, 0, copy_len);
- if (copy_len % 32)
- memset(((u8 *) wqe) + copy_len, 0,
- 32 - (copy_len % 32));
- wr_len = ((sizeof(struct t3_bypass_wr)) >> 3) + 1 +
- (utx_len << 2);
- wqe = (__be64 *)(rdev_p->ctrl_qp.workq + (rdev_p->ctrl_qp.wptr %
- (1 << T3_CTRL_QP_SIZE_LOG2)));
-
- /* wptr in the WRID[31:0] */
- ((union t3_wrid *)(wqe+1))->id0.low = rdev_p->ctrl_qp.wptr;
-
- /*
- * This must be the last write with a memory barrier
- * for the genbit
- */
- build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_BP, flag,
- Q_GENBIT(rdev_p->ctrl_qp.wptr,
- T3_CTRL_QP_SIZE_LOG2), T3_CTRL_QP_ID,
- wr_len, T3_SOPEOP);
- if (flag == T3_COMPLETION_FLAG)
- ring_doorbell(rdev_p->ctrl_qp.doorbell, T3_CTRL_QP_ID);
- len -= 96;
- rdev_p->ctrl_qp.wptr++;
- }
- return 0;
-}
-
-/* IN: stag key, pdid, perm, zbva, to, len, page_size, pbl_size and pbl_addr
- * OUT: stag index
- * TBD: shared memory region support
- */
-static int __cxio_tpt_op(struct cxio_rdev *rdev_p, u32 reset_tpt_entry,
- u32 *stag, u8 stag_state, u32 pdid,
- enum tpt_mem_type type, enum tpt_mem_perm perm,
- u32 zbva, u64 to, u32 len, u8 page_size,
- u32 pbl_size, u32 pbl_addr)
-{
- int err;
- struct tpt_entry tpt;
- u32 stag_idx;
- u32 wptr;
-
- if (cxio_fatal_error(rdev_p))
- return -EIO;
-
- stag_state = stag_state > 0;
- stag_idx = (*stag) >> 8;
-
- if ((!reset_tpt_entry) && !(*stag != T3_STAG_UNSET)) {
- stag_idx = cxio_hal_get_stag(rdev_p->rscp);
- if (!stag_idx)
- return -ENOMEM;
- *stag = (stag_idx << 8) | ((*stag) & 0xFF);
- }
- pr_debug("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n",
- __func__, stag_state, type, pdid, stag_idx);
-
- mutex_lock(&rdev_p->ctrl_qp.lock);
-
- /* write TPT entry */
- if (reset_tpt_entry)
- memset(&tpt, 0, sizeof(tpt));
- else {
- tpt.valid_stag_pdid = cpu_to_be32(F_TPT_VALID |
- V_TPT_STAG_KEY((*stag) & M_TPT_STAG_KEY) |
- V_TPT_STAG_STATE(stag_state) |
- V_TPT_STAG_TYPE(type) | V_TPT_PDID(pdid));
- BUG_ON(page_size >= 28);
- tpt.flags_pagesize_qpid = cpu_to_be32(V_TPT_PERM(perm) |
- ((perm & TPT_MW_BIND) ? F_TPT_MW_BIND_ENABLE : 0) |
- V_TPT_ADDR_TYPE((zbva ? TPT_ZBTO : TPT_VATO)) |
- V_TPT_PAGE_SIZE(page_size));
- tpt.rsvd_pbl_addr = cpu_to_be32(V_TPT_PBL_ADDR(PBL_OFF(rdev_p, pbl_addr)>>3));
- tpt.len = cpu_to_be32(len);
- tpt.va_hi = cpu_to_be32((u32) (to >> 32));
- tpt.va_low_or_fbo = cpu_to_be32((u32) (to & 0xFFFFFFFFULL));
- tpt.rsvd_bind_cnt_or_pstag = 0;
- tpt.rsvd_pbl_size = cpu_to_be32(V_TPT_PBL_SIZE(pbl_size >> 2));
- }
- err = cxio_hal_ctrl_qp_write_mem(rdev_p,
- stag_idx +
- (rdev_p->rnic_info.tpt_base >> 5),
- sizeof(tpt), &tpt);
-
- /* release the stag index to free pool */
- if (reset_tpt_entry)
- cxio_hal_put_stag(rdev_p->rscp, stag_idx);
-
- wptr = rdev_p->ctrl_qp.wptr;
- mutex_unlock(&rdev_p->ctrl_qp.lock);
- if (!err)
- if (wait_event_interruptible(rdev_p->ctrl_qp.waitq,
- SEQ32_GE(rdev_p->ctrl_qp.rptr,
- wptr)))
- return -ERESTARTSYS;
- return err;
-}
-
-int cxio_write_pbl(struct cxio_rdev *rdev_p, __be64 *pbl,
- u32 pbl_addr, u32 pbl_size)
-{
- u32 wptr;
- int err;
-
- pr_debug("%s *pdb_addr 0x%x, pbl_base 0x%x, pbl_size %d\n",
- __func__, pbl_addr, rdev_p->rnic_info.pbl_base,
- pbl_size);
-
- mutex_lock(&rdev_p->ctrl_qp.lock);
- err = cxio_hal_ctrl_qp_write_mem(rdev_p, pbl_addr >> 5, pbl_size << 3,
- pbl);
- wptr = rdev_p->ctrl_qp.wptr;
- mutex_unlock(&rdev_p->ctrl_qp.lock);
- if (err)
- return err;
-
- if (wait_event_interruptible(rdev_p->ctrl_qp.waitq,
- SEQ32_GE(rdev_p->ctrl_qp.rptr,
- wptr)))
- return -ERESTARTSYS;
-
- return 0;
-}
-
-int cxio_register_phys_mem(struct cxio_rdev *rdev_p, u32 *stag, u32 pdid,
- enum tpt_mem_perm perm, u32 zbva, u64 to, u32 len,
- u8 page_size, u32 pbl_size, u32 pbl_addr)
-{
- *stag = T3_STAG_UNSET;
- return __cxio_tpt_op(rdev_p, 0, stag, 1, pdid, TPT_NON_SHARED_MR, perm,
- zbva, to, len, page_size, pbl_size, pbl_addr);
-}
-
-int cxio_reregister_phys_mem(struct cxio_rdev *rdev_p, u32 *stag, u32 pdid,
- enum tpt_mem_perm perm, u32 zbva, u64 to, u32 len,
- u8 page_size, u32 pbl_size, u32 pbl_addr)
-{
- return __cxio_tpt_op(rdev_p, 0, stag, 1, pdid, TPT_NON_SHARED_MR, perm,
- zbva, to, len, page_size, pbl_size, pbl_addr);
-}
-
-int cxio_dereg_mem(struct cxio_rdev *rdev_p, u32 stag, u32 pbl_size,
- u32 pbl_addr)
-{
- return __cxio_tpt_op(rdev_p, 1, &stag, 0, 0, 0, 0, 0, 0ULL, 0, 0,
- pbl_size, pbl_addr);
-}
-
-int cxio_allocate_window(struct cxio_rdev *rdev_p, u32 * stag, u32 pdid)
-{
- *stag = T3_STAG_UNSET;
- return __cxio_tpt_op(rdev_p, 0, stag, 0, pdid, TPT_MW, 0, 0, 0ULL, 0, 0,
- 0, 0);
-}
-
-int cxio_deallocate_window(struct cxio_rdev *rdev_p, u32 stag)
-{
- return __cxio_tpt_op(rdev_p, 1, &stag, 0, 0, 0, 0, 0, 0ULL, 0, 0,
- 0, 0);
-}
-
-int cxio_allocate_stag(struct cxio_rdev *rdev_p, u32 *stag, u32 pdid, u32 pbl_size, u32 pbl_addr)
-{
- *stag = T3_STAG_UNSET;
- return __cxio_tpt_op(rdev_p, 0, stag, 0, pdid, TPT_NON_SHARED_MR,
- 0, 0, 0ULL, 0, 0, pbl_size, pbl_addr);
-}
-
-int cxio_rdma_init(struct cxio_rdev *rdev_p, struct t3_rdma_init_attr *attr)
-{
- struct t3_rdma_init_wr *wqe;
- struct sk_buff *skb = alloc_skb(sizeof(*wqe), GFP_ATOMIC);
- if (!skb)
- return -ENOMEM;
- pr_debug("%s rdev_p %p\n", __func__, rdev_p);
- wqe = __skb_put(skb, sizeof(*wqe));
- wqe->wrh.op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(T3_WR_INIT));
- wqe->wrh.gen_tid_len = cpu_to_be32(V_FW_RIWR_TID(attr->tid) |
- V_FW_RIWR_LEN(sizeof(*wqe) >> 3));
- wqe->wrid.id1 = 0;
- wqe->qpid = cpu_to_be32(attr->qpid);
- wqe->pdid = cpu_to_be32(attr->pdid);
- wqe->scqid = cpu_to_be32(attr->scqid);
- wqe->rcqid = cpu_to_be32(attr->rcqid);
- wqe->rq_addr = cpu_to_be32(attr->rq_addr - rdev_p->rnic_info.rqt_base);
- wqe->rq_size = cpu_to_be32(attr->rq_size);
- wqe->mpaattrs = attr->mpaattrs;
- wqe->qpcaps = attr->qpcaps;
- wqe->ulpdu_size = cpu_to_be16(attr->tcp_emss);
- wqe->rqe_count = cpu_to_be16(attr->rqe_count);
- wqe->flags_rtr_type = cpu_to_be16(attr->flags |
- V_RTR_TYPE(attr->rtr_type) |
- V_CHAN(attr->chan));
- wqe->ord = cpu_to_be32(attr->ord);
- wqe->ird = cpu_to_be32(attr->ird);
- wqe->qp_dma_addr = cpu_to_be64(attr->qp_dma_addr);
- wqe->qp_dma_size = cpu_to_be32(attr->qp_dma_size);
- wqe->irs = cpu_to_be32(attr->irs);
- skb->priority = 0; /* 0=>ToeQ; 1=>CtrlQ */
- return iwch_cxgb3_ofld_send(rdev_p->t3cdev_p, skb);
-}
-
-void cxio_register_ev_cb(cxio_hal_ev_callback_func_t ev_cb)
-{
- cxio_ev_cb = ev_cb;
-}
-
-void cxio_unregister_ev_cb(cxio_hal_ev_callback_func_t ev_cb)
-{
- cxio_ev_cb = NULL;
-}
-
-static int cxio_hal_ev_handler(struct t3cdev *t3cdev_p, struct sk_buff *skb)
-{
- static int cnt;
- struct cxio_rdev *rdev_p = NULL;
- struct respQ_msg_t *rsp_msg = (struct respQ_msg_t *) skb->data;
- pr_debug("%d: %s cq_id 0x%x cq_ptr 0x%x genbit %0x overflow %0x an %0x se %0x notify %0x cqbranch %0x creditth %0x\n",
- cnt, __func__, RSPQ_CQID(rsp_msg), RSPQ_CQPTR(rsp_msg),
- RSPQ_GENBIT(rsp_msg), RSPQ_OVERFLOW(rsp_msg), RSPQ_AN(rsp_msg),
- RSPQ_SE(rsp_msg), RSPQ_NOTIFY(rsp_msg), RSPQ_CQBRANCH(rsp_msg),
- RSPQ_CREDIT_THRESH(rsp_msg));
- pr_debug("CQE: QPID 0x%0x genbit %0x type 0x%0x status 0x%0x opcode %d len 0x%0x wrid_hi_stag 0x%x wrid_low_msn 0x%x\n",
- CQE_QPID(rsp_msg->cqe), CQE_GENBIT(rsp_msg->cqe),
- CQE_TYPE(rsp_msg->cqe), CQE_STATUS(rsp_msg->cqe),
- CQE_OPCODE(rsp_msg->cqe), CQE_LEN(rsp_msg->cqe),
- CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
- rdev_p = (struct cxio_rdev *)t3cdev_p->ulp;
- if (!rdev_p) {
- pr_debug("%s called by t3cdev %p with null ulp\n", __func__,
- t3cdev_p);
- return 0;
- }
- if (CQE_QPID(rsp_msg->cqe) == T3_CTRL_QP_ID) {
- rdev_p->ctrl_qp.rptr = CQE_WRID_LOW(rsp_msg->cqe) + 1;
- wake_up_interruptible(&rdev_p->ctrl_qp.waitq);
- dev_kfree_skb_irq(skb);
- } else if (CQE_QPID(rsp_msg->cqe) == 0xfff8)
- dev_kfree_skb_irq(skb);
- else if (cxio_ev_cb)
- (*cxio_ev_cb) (rdev_p, skb);
- else
- dev_kfree_skb_irq(skb);
- cnt++;
- return 0;
-}
-
-/* Caller takes care of locking if needed */
-int cxio_rdev_open(struct cxio_rdev *rdev_p)
-{
- struct net_device *netdev_p = NULL;
- int err = 0;
- if (strlen(rdev_p->dev_name)) {
- if (cxio_hal_find_rdev_by_name(rdev_p->dev_name)) {
- return -EBUSY;
- }
- netdev_p = dev_get_by_name(&init_net, rdev_p->dev_name);
- if (!netdev_p) {
- return -EINVAL;
- }
- dev_put(netdev_p);
- } else if (rdev_p->t3cdev_p) {
- if (cxio_hal_find_rdev_by_t3cdev(rdev_p->t3cdev_p)) {
- return -EBUSY;
- }
- netdev_p = rdev_p->t3cdev_p->lldev;
- strncpy(rdev_p->dev_name, rdev_p->t3cdev_p->name,
- T3_MAX_DEV_NAME_LEN);
- } else {
- pr_debug("%s t3cdev_p or dev_name must be set\n", __func__);
- return -EINVAL;
- }
-
- list_add_tail(&rdev_p->entry, &rdev_list);
-
- pr_debug("%s opening rnic dev %s\n", __func__, rdev_p->dev_name);
- memset(&rdev_p->ctrl_qp, 0, sizeof(rdev_p->ctrl_qp));
- if (!rdev_p->t3cdev_p)
- rdev_p->t3cdev_p = dev2t3cdev(netdev_p);
- rdev_p->t3cdev_p->ulp = (void *) rdev_p;
-
- err = rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, GET_EMBEDDED_INFO,
- &(rdev_p->fw_info));
- if (err) {
- pr_err("%s t3cdev_p(%p)->ctl returned error %d\n",
- __func__, rdev_p->t3cdev_p, err);
- goto err1;
- }
- if (G_FW_VERSION_MAJOR(rdev_p->fw_info.fw_vers) != CXIO_FW_MAJ) {
- pr_err("fatal firmware version mismatch: need version %u but adapter has version %u\n",
- CXIO_FW_MAJ,
- G_FW_VERSION_MAJOR(rdev_p->fw_info.fw_vers));
- err = -EINVAL;
- goto err1;
- }
-
- err = rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_GET_PARAMS,
- &(rdev_p->rnic_info));
- if (err) {
- pr_err("%s t3cdev_p(%p)->ctl returned error %d\n",
- __func__, rdev_p->t3cdev_p, err);
- goto err1;
- }
- err = rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, GET_PORTS,
- &(rdev_p->port_info));
- if (err) {
- pr_err("%s t3cdev_p(%p)->ctl returned error %d\n",
- __func__, rdev_p->t3cdev_p, err);
- goto err1;
- }
-
- /*
- * qpshift is the number of bits to shift the qpid left in order
- * to get the correct address of the doorbell for that qp.
- */
- cxio_init_ucontext(rdev_p, &rdev_p->uctx);
- rdev_p->qpshift = PAGE_SHIFT -
- ilog2(65536 >>
- ilog2(rdev_p->rnic_info.udbell_len >>
- PAGE_SHIFT));
- rdev_p->qpnr = rdev_p->rnic_info.udbell_len >> PAGE_SHIFT;
- rdev_p->qpmask = (65536 >> ilog2(rdev_p->qpnr)) - 1;
- pr_debug("%s rnic %s info: tpt_base 0x%0x tpt_top 0x%0x num stags %d pbl_base 0x%0x pbl_top 0x%0x rqt_base 0x%0x, rqt_top 0x%0x\n",
- __func__, rdev_p->dev_name, rdev_p->rnic_info.tpt_base,
- rdev_p->rnic_info.tpt_top, cxio_num_stags(rdev_p),
- rdev_p->rnic_info.pbl_base,
- rdev_p->rnic_info.pbl_top, rdev_p->rnic_info.rqt_base,
- rdev_p->rnic_info.rqt_top);
- pr_debug("udbell_len 0x%0x udbell_physbase 0x%lx kdb_addr %p qpshift %lu qpnr %d qpmask 0x%x\n",
- rdev_p->rnic_info.udbell_len,
- rdev_p->rnic_info.udbell_physbase, rdev_p->rnic_info.kdb_addr,
- rdev_p->qpshift, rdev_p->qpnr, rdev_p->qpmask);
-
- err = cxio_hal_init_ctrl_qp(rdev_p);
- if (err) {
- pr_err("%s error %d initializing ctrl_qp\n", __func__, err);
- goto err1;
- }
- err = cxio_hal_init_resource(rdev_p, cxio_num_stags(rdev_p), 0,
- 0, T3_MAX_NUM_QP, T3_MAX_NUM_CQ,
- T3_MAX_NUM_PD);
- if (err) {
- pr_err("%s error %d initializing hal resources\n",
- __func__, err);
- goto err2;
- }
- err = cxio_hal_pblpool_create(rdev_p);
- if (err) {
- pr_err("%s error %d initializing pbl mem pool\n",
- __func__, err);
- goto err3;
- }
- err = cxio_hal_rqtpool_create(rdev_p);
- if (err) {
- pr_err("%s error %d initializing rqt mem pool\n",
- __func__, err);
- goto err4;
- }
- return 0;
-err4:
- cxio_hal_pblpool_destroy(rdev_p);
-err3:
- cxio_hal_destroy_resource(rdev_p->rscp);
-err2:
- cxio_hal_destroy_ctrl_qp(rdev_p);
-err1:
- rdev_p->t3cdev_p->ulp = NULL;
- list_del(&rdev_p->entry);
- return err;
-}
-
-void cxio_rdev_close(struct cxio_rdev *rdev_p)
-{
- if (rdev_p) {
- cxio_hal_pblpool_destroy(rdev_p);
- cxio_hal_rqtpool_destroy(rdev_p);
- list_del(&rdev_p->entry);
- cxio_hal_destroy_ctrl_qp(rdev_p);
- cxio_hal_destroy_resource(rdev_p->rscp);
- rdev_p->t3cdev_p->ulp = NULL;
- }
-}
-
-int __init cxio_hal_init(void)
-{
- if (cxio_hal_init_rhdl_resource(T3_MAX_NUM_RI))
- return -ENOMEM;
- t3_register_cpl_handler(CPL_ASYNC_NOTIF, cxio_hal_ev_handler);
- return 0;
-}
-
-void __exit cxio_hal_exit(void)
-{
- struct cxio_rdev *rdev, *tmp;
-
- t3_register_cpl_handler(CPL_ASYNC_NOTIF, NULL);
- list_for_each_entry_safe(rdev, tmp, &rdev_list, entry)
- cxio_rdev_close(rdev);
- cxio_hal_destroy_rhdl_resource();
-}
-
-static void flush_completed_wrs(struct t3_wq *wq, struct t3_cq *cq)
-{
- struct t3_swsq *sqp;
- __u32 ptr = wq->sq_rptr;
- int count = Q_COUNT(wq->sq_rptr, wq->sq_wptr);
-
- sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
- while (count--)
- if (!sqp->signaled) {
- ptr++;
- sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
- } else if (sqp->complete) {
-
- /*
- * Insert this completed cqe into the swcq.
- */
- pr_debug("%s moving cqe into swcq sq idx %ld cq idx %ld\n",
- __func__, Q_PTR2IDX(ptr, wq->sq_size_log2),
- Q_PTR2IDX(cq->sw_wptr, cq->size_log2));
- sqp->cqe.header |= htonl(V_CQE_SWCQE(1));
- *(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2))
- = sqp->cqe;
- cq->sw_wptr++;
- sqp->signaled = 0;
- break;
- } else
- break;
-}
-
-static void create_read_req_cqe(struct t3_wq *wq, struct t3_cqe *hw_cqe,
- struct t3_cqe *read_cqe)
-{
- read_cqe->u.scqe.wrid_hi = wq->oldest_read->sq_wptr;
- read_cqe->len = wq->oldest_read->read_len;
- read_cqe->header = htonl(V_CQE_QPID(CQE_QPID(*hw_cqe)) |
- V_CQE_SWCQE(SW_CQE(*hw_cqe)) |
- V_CQE_OPCODE(T3_READ_REQ) |
- V_CQE_TYPE(1));
-}
-
-/*
- * Return a ptr to the next read wr in the SWSQ or NULL.
- */
-static void advance_oldest_read(struct t3_wq *wq)
-{
-
- u32 rptr = wq->oldest_read - wq->sq + 1;
- u32 wptr = Q_PTR2IDX(wq->sq_wptr, wq->sq_size_log2);
-
- while (Q_PTR2IDX(rptr, wq->sq_size_log2) != wptr) {
- wq->oldest_read = wq->sq + Q_PTR2IDX(rptr, wq->sq_size_log2);
-
- if (wq->oldest_read->opcode == T3_READ_REQ)
- return;
- rptr++;
- }
- wq->oldest_read = NULL;
-}
-
-/*
- * cxio_poll_cq
- *
- * Caller must:
- * check the validity of the first CQE,
- * supply the wq assicated with the qpid.
- *
- * credit: cq credit to return to sge.
- * cqe_flushed: 1 iff the CQE is flushed.
- * cqe: copy of the polled CQE.
- *
- * return value:
- * 0 CQE returned,
- * -1 CQE skipped, try again.
- */
-int cxio_poll_cq(struct t3_wq *wq, struct t3_cq *cq, struct t3_cqe *cqe,
- u8 *cqe_flushed, u64 *cookie, u32 *credit)
-{
- int ret = 0;
- struct t3_cqe *hw_cqe, read_cqe;
-
- *cqe_flushed = 0;
- *credit = 0;
- hw_cqe = cxio_next_cqe(cq);
-
- pr_debug("%s CQE OOO %d qpid 0x%0x genbit %d type %d status 0x%0x opcode 0x%0x len 0x%0x wrid_hi_stag 0x%x wrid_low_msn 0x%x\n",
- __func__, CQE_OOO(*hw_cqe), CQE_QPID(*hw_cqe),
- CQE_GENBIT(*hw_cqe), CQE_TYPE(*hw_cqe), CQE_STATUS(*hw_cqe),
- CQE_OPCODE(*hw_cqe), CQE_LEN(*hw_cqe), CQE_WRID_HI(*hw_cqe),
- CQE_WRID_LOW(*hw_cqe));
-
- /*
- * skip cqe's not affiliated with a QP.
- */
- if (wq == NULL) {
- ret = -1;
- goto skip_cqe;
- }
-
- /*
- * Gotta tweak READ completions:
- * 1) the cqe doesn't contain the sq_wptr from the wr.
- * 2) opcode not reflected from the wr.
- * 3) read_len not reflected from the wr.
- * 4) cq_type is RQ_TYPE not SQ_TYPE.
- */
- if (RQ_TYPE(*hw_cqe) && (CQE_OPCODE(*hw_cqe) == T3_READ_RESP)) {
-
- /*
- * If this is an unsolicited read response, then the read
- * was generated by the kernel driver as part of peer-2-peer
- * connection setup. So ignore the completion.
- */
- if (!wq->oldest_read) {
- if (CQE_STATUS(*hw_cqe))
- wq->error = 1;
- ret = -1;
- goto skip_cqe;
- }
-
- /*
- * Don't write to the HWCQ, so create a new read req CQE
- * in local memory.
- */
- create_read_req_cqe(wq, hw_cqe, &read_cqe);
- hw_cqe = &read_cqe;
- advance_oldest_read(wq);
- }
-
- /*
- * T3A: Discard TERMINATE CQEs.
- */
- if (CQE_OPCODE(*hw_cqe) == T3_TERMINATE) {
- ret = -1;
- wq->error = 1;
- goto skip_cqe;
- }
-
- if (CQE_STATUS(*hw_cqe) || wq->error) {
- *cqe_flushed = wq->error;
- wq->error = 1;
-
- /*
- * T3A inserts errors into the CQE. We cannot return
- * these as work completions.
- */
- /* incoming write failures */
- if ((CQE_OPCODE(*hw_cqe) == T3_RDMA_WRITE)
- && RQ_TYPE(*hw_cqe)) {
- ret = -1;
- goto skip_cqe;
- }
- /* incoming read request failures */
- if ((CQE_OPCODE(*hw_cqe) == T3_READ_RESP) && SQ_TYPE(*hw_cqe)) {
- ret = -1;
- goto skip_cqe;
- }
-
- /* incoming SEND with no receive posted failures */
- if (CQE_SEND_OPCODE(*hw_cqe) && RQ_TYPE(*hw_cqe) &&
- Q_EMPTY(wq->rq_rptr, wq->rq_wptr)) {
- ret = -1;
- goto skip_cqe;
- }
- BUG_ON((*cqe_flushed == 0) && !SW_CQE(*hw_cqe));
- goto proc_cqe;
- }
-
- /*
- * RECV completion.
- */
- if (RQ_TYPE(*hw_cqe)) {
-
- /*
- * HW only validates 4 bits of MSN. So we must validate that
- * the MSN in the SEND is the next expected MSN. If its not,
- * then we complete this with TPT_ERR_MSN and mark the wq in
- * error.
- */
-
- if (Q_EMPTY(wq->rq_rptr, wq->rq_wptr)) {
- wq->error = 1;
- ret = -1;
- goto skip_cqe;
- }
-
- if (unlikely((CQE_WRID_MSN(*hw_cqe) != (wq->rq_rptr + 1)))) {
- wq->error = 1;
- hw_cqe->header |= htonl(V_CQE_STATUS(TPT_ERR_MSN));
- goto proc_cqe;
- }
- goto proc_cqe;
- }
-
- /*
- * If we get here its a send completion.
- *
- * Handle out of order completion. These get stuffed
- * in the SW SQ. Then the SW SQ is walked to move any
- * now in-order completions into the SW CQ. This handles
- * 2 cases:
- * 1) reaping unsignaled WRs when the first subsequent
- * signaled WR is completed.
- * 2) out of order read completions.
- */
- if (!SW_CQE(*hw_cqe) && (CQE_WRID_SQ_WPTR(*hw_cqe) != wq->sq_rptr)) {
- struct t3_swsq *sqp;
-
- pr_debug("%s out of order completion going in swsq at idx %ld\n",
- __func__,
- Q_PTR2IDX(CQE_WRID_SQ_WPTR(*hw_cqe),
- wq->sq_size_log2));
- sqp = wq->sq +
- Q_PTR2IDX(CQE_WRID_SQ_WPTR(*hw_cqe), wq->sq_size_log2);
- sqp->cqe = *hw_cqe;
- sqp->complete = 1;
- ret = -1;
- goto flush_wq;
- }
-
-proc_cqe:
- *cqe = *hw_cqe;
-
- /*
- * Reap the associated WR(s) that are freed up with this
- * completion.
- */
- if (SQ_TYPE(*hw_cqe)) {
- wq->sq_rptr = CQE_WRID_SQ_WPTR(*hw_cqe);
- pr_debug("%s completing sq idx %ld\n", __func__,
- Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2));
- *cookie = wq->sq[Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2)].wr_id;
- wq->sq_rptr++;
- } else {
- pr_debug("%s completing rq idx %ld\n", __func__,
- Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2));
- *cookie = wq->rq[Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2)].wr_id;
- if (wq->rq[Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2)].pbl_addr)
- cxio_hal_pblpool_free(wq->rdev,
- wq->rq[Q_PTR2IDX(wq->rq_rptr,
- wq->rq_size_log2)].pbl_addr, T3_STAG0_PBL_SIZE);
- BUG_ON(Q_EMPTY(wq->rq_rptr, wq->rq_wptr));
- wq->rq_rptr++;
- }
-
-flush_wq:
- /*
- * Flush any completed cqes that are now in-order.
- */
- flush_completed_wrs(wq, cq);
-
-skip_cqe:
- if (SW_CQE(*hw_cqe)) {
- pr_debug("%s cq %p cqid 0x%x skip sw cqe sw_rptr 0x%x\n",
- __func__, cq, cq->cqid, cq->sw_rptr);
- ++cq->sw_rptr;
- } else {
- pr_debug("%s cq %p cqid 0x%x skip hw cqe rptr 0x%x\n",
- __func__, cq, cq->cqid, cq->rptr);
- ++cq->rptr;
-
- /*
- * T3A: compute credits.
- */
- if (((cq->rptr - cq->wptr) > (1 << (cq->size_log2 - 1)))
- || ((cq->rptr - cq->wptr) >= 128)) {
- *credit = cq->rptr - cq->wptr;
- cq->wptr = cq->rptr;
- }
- }
- return ret;
-}
deleted file mode 100644
@@ -1,204 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef __CXIO_HAL_H__
-#define __CXIO_HAL_H__
-
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/kfifo.h>
-
-#include "t3_cpl.h"
-#include "t3cdev.h"
-#include "cxgb3_ctl_defs.h"
-#include "cxio_wr.h"
-
-#define T3_CTRL_QP_ID FW_RI_SGEEC_START
-#define T3_CTL_QP_TID FW_RI_TID_START
-#define T3_CTRL_QP_SIZE_LOG2 8
-#define T3_CTRL_CQ_ID 0
-
-#define T3_MAX_NUM_RI (1<<15)
-#define T3_MAX_NUM_QP (1<<15)
-#define T3_MAX_NUM_CQ (1<<15)
-#define T3_MAX_NUM_PD (1<<15)
-#define T3_MAX_PBL_SIZE 256
-#define T3_MAX_RQ_SIZE 1024
-#define T3_MAX_QP_DEPTH (T3_MAX_RQ_SIZE-1)
-#define T3_MAX_CQ_DEPTH 65536
-#define T3_MAX_NUM_STAG (1<<15)
-#define T3_MAX_MR_SIZE 0x100000000ULL
-#define T3_PAGESIZE_MASK 0xffff000 /* 4KB-128MB */
-
-#define T3_STAG_UNSET 0xffffffff
-
-#define T3_MAX_DEV_NAME_LEN 32
-
-#define CXIO_FW_MAJ 7
-
-struct cxio_hal_ctrl_qp {
- u32 wptr;
- u32 rptr;
- struct mutex lock; /* for the wtpr, can sleep */
- wait_queue_head_t waitq;/* wait for RspQ/CQE msg */
- union t3_wr *workq; /* the work request queue */
- dma_addr_t dma_addr; /* pci bus address of the workq */
- DEFINE_DMA_UNMAP_ADDR(mapping);
- void __iomem *doorbell;
-};
-
-struct cxio_hal_resource {
- struct kfifo tpt_fifo;
- spinlock_t tpt_fifo_lock;
- struct kfifo qpid_fifo;
- spinlock_t qpid_fifo_lock;
- struct kfifo cqid_fifo;
- spinlock_t cqid_fifo_lock;
- struct kfifo pdid_fifo;
- spinlock_t pdid_fifo_lock;
-};
-
-struct cxio_qpid_list {
- struct list_head entry;
- u32 qpid;
-};
-
-struct cxio_ucontext {
- struct list_head qpids;
- struct mutex lock;
-};
-
-struct cxio_rdev {
- char dev_name[T3_MAX_DEV_NAME_LEN];
- struct t3cdev *t3cdev_p;
- struct rdma_info rnic_info;
- struct adap_ports port_info;
- struct cxio_hal_resource *rscp;
- struct cxio_hal_ctrl_qp ctrl_qp;
- void *ulp;
- unsigned long qpshift;
- u32 qpnr;
- u32 qpmask;
- struct cxio_ucontext uctx;
- struct gen_pool *pbl_pool;
- struct gen_pool *rqt_pool;
- struct list_head entry;
- struct ch_embedded_info fw_info;
- u32 flags;
-#define CXIO_ERROR_FATAL 1
-};
-
-static inline int cxio_fatal_error(struct cxio_rdev *rdev_p)
-{
- return rdev_p->flags & CXIO_ERROR_FATAL;
-}
-
-static inline int cxio_num_stags(struct cxio_rdev *rdev_p)
-{
- return min((int)T3_MAX_NUM_STAG, (int)((rdev_p->rnic_info.tpt_top - rdev_p->rnic_info.tpt_base) >> 5));
-}
-
-typedef void (*cxio_hal_ev_callback_func_t) (struct cxio_rdev * rdev_p,
- struct sk_buff * skb);
-
-#define RSPQ_CQID(rsp) (be32_to_cpu(rsp->cq_ptrid) & 0xffff)
-#define RSPQ_CQPTR(rsp) ((be32_to_cpu(rsp->cq_ptrid) >> 16) & 0xffff)
-#define RSPQ_GENBIT(rsp) ((be32_to_cpu(rsp->flags) >> 16) & 1)
-#define RSPQ_OVERFLOW(rsp) ((be32_to_cpu(rsp->flags) >> 17) & 1)
-#define RSPQ_AN(rsp) ((be32_to_cpu(rsp->flags) >> 18) & 1)
-#define RSPQ_SE(rsp) ((be32_to_cpu(rsp->flags) >> 19) & 1)
-#define RSPQ_NOTIFY(rsp) ((be32_to_cpu(rsp->flags) >> 20) & 1)
-#define RSPQ_CQBRANCH(rsp) ((be32_to_cpu(rsp->flags) >> 21) & 1)
-#define RSPQ_CREDIT_THRESH(rsp) ((be32_to_cpu(rsp->flags) >> 22) & 1)
-
-struct respQ_msg_t {
- __be32 flags; /* flit 0 */
- __be32 cq_ptrid;
- __be64 rsvd; /* flit 1 */
- struct t3_cqe cqe; /* flits 2-3 */
-};
-
-enum t3_cq_opcode {
- CQ_ARM_AN = 0x2,
- CQ_ARM_SE = 0x6,
- CQ_FORCE_AN = 0x3,
- CQ_CREDIT_UPDATE = 0x7
-};
-
-int cxio_rdev_open(struct cxio_rdev *rdev);
-void cxio_rdev_close(struct cxio_rdev *rdev);
-int cxio_hal_cq_op(struct cxio_rdev *rdev, struct t3_cq *cq,
- enum t3_cq_opcode op, u32 credit);
-int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq, int kernel);
-void cxio_destroy_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
-void cxio_release_ucontext(struct cxio_rdev *rdev, struct cxio_ucontext *uctx);
-void cxio_init_ucontext(struct cxio_rdev *rdev, struct cxio_ucontext *uctx);
-int cxio_create_qp(struct cxio_rdev *rdev, u32 kernel_domain, struct t3_wq *wq,
- struct cxio_ucontext *uctx);
-int cxio_destroy_qp(struct cxio_rdev *rdev, struct t3_wq *wq,
- struct cxio_ucontext *uctx);
-int cxio_peek_cq(struct t3_wq *wr, struct t3_cq *cq, int opcode);
-int cxio_write_pbl(struct cxio_rdev *rdev_p, __be64 *pbl,
- u32 pbl_addr, u32 pbl_size);
-int cxio_register_phys_mem(struct cxio_rdev *rdev, u32 * stag, u32 pdid,
- enum tpt_mem_perm perm, u32 zbva, u64 to, u32 len,
- u8 page_size, u32 pbl_size, u32 pbl_addr);
-int cxio_reregister_phys_mem(struct cxio_rdev *rdev, u32 * stag, u32 pdid,
- enum tpt_mem_perm perm, u32 zbva, u64 to, u32 len,
- u8 page_size, u32 pbl_size, u32 pbl_addr);
-int cxio_dereg_mem(struct cxio_rdev *rdev, u32 stag, u32 pbl_size,
- u32 pbl_addr);
-int cxio_allocate_window(struct cxio_rdev *rdev, u32 * stag, u32 pdid);
-int cxio_allocate_stag(struct cxio_rdev *rdev, u32 *stag, u32 pdid, u32 pbl_size, u32 pbl_addr);
-int cxio_deallocate_window(struct cxio_rdev *rdev, u32 stag);
-int cxio_rdma_init(struct cxio_rdev *rdev, struct t3_rdma_init_attr *attr);
-void cxio_register_ev_cb(cxio_hal_ev_callback_func_t ev_cb);
-void cxio_unregister_ev_cb(cxio_hal_ev_callback_func_t ev_cb);
-u32 cxio_hal_get_pdid(struct cxio_hal_resource *rscp);
-void cxio_hal_put_pdid(struct cxio_hal_resource *rscp, u32 pdid);
-int __init cxio_hal_init(void);
-void __exit cxio_hal_exit(void);
-int cxio_flush_rq(struct t3_wq *wq, struct t3_cq *cq, int count);
-int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count);
-void cxio_count_rcqes(struct t3_cq *cq, struct t3_wq *wq, int *count);
-void cxio_count_scqes(struct t3_cq *cq, struct t3_wq *wq, int *count);
-void cxio_flush_hw_cq(struct t3_cq *cq);
-int cxio_poll_cq(struct t3_wq *wq, struct t3_cq *cq, struct t3_cqe *cqe,
- u8 *cqe_flushed, u64 *cookie, u32 *credit);
-int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb);
-
-#ifdef pr_fmt
-#undef pr_fmt
-#endif
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#endif
deleted file mode 100644
@@ -1,344 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-/* Crude resource management */
-#include <linux/kernel.h>
-#include <linux/random.h>
-#include <linux/slab.h>
-#include <linux/kfifo.h>
-#include <linux/spinlock.h>
-#include <linux/errno.h>
-#include "cxio_resource.h"
-#include "cxio_hal.h"
-
-static struct kfifo rhdl_fifo;
-static spinlock_t rhdl_fifo_lock;
-
-#define RANDOM_SIZE 16
-
-static int __cxio_init_resource_fifo(struct kfifo *fifo,
- spinlock_t *fifo_lock,
- u32 nr, u32 skip_low,
- u32 skip_high,
- int random)
-{
- u32 i, j, entry = 0, idx;
- u32 random_bytes;
- u32 rarray[16];
- spin_lock_init(fifo_lock);
-
- if (kfifo_alloc(fifo, nr * sizeof(u32), GFP_KERNEL))
- return -ENOMEM;
-
- for (i = 0; i < skip_low + skip_high; i++)
- kfifo_in(fifo, (unsigned char *) &entry, sizeof(u32));
- if (random) {
- j = 0;
- random_bytes = prandom_u32();
- for (i = 0; i < RANDOM_SIZE; i++)
- rarray[i] = i + skip_low;
- for (i = skip_low + RANDOM_SIZE; i < nr - skip_high; i++) {
- if (j >= RANDOM_SIZE) {
- j = 0;
- random_bytes = prandom_u32();
- }
- idx = (random_bytes >> (j * 2)) & 0xF;
- kfifo_in(fifo,
- (unsigned char *) &rarray[idx],
- sizeof(u32));
- rarray[idx] = i;
- j++;
- }
- for (i = 0; i < RANDOM_SIZE; i++)
- kfifo_in(fifo,
- (unsigned char *) &rarray[i],
- sizeof(u32));
- } else
- for (i = skip_low; i < nr - skip_high; i++)
- kfifo_in(fifo, (unsigned char *) &i, sizeof(u32));
-
- for (i = 0; i < skip_low + skip_high; i++)
- if (kfifo_out_locked(fifo, (unsigned char *) &entry,
- sizeof(u32), fifo_lock) != sizeof(u32))
- break;
- return 0;
-}
-
-static int cxio_init_resource_fifo(struct kfifo *fifo, spinlock_t * fifo_lock,
- u32 nr, u32 skip_low, u32 skip_high)
-{
- return (__cxio_init_resource_fifo(fifo, fifo_lock, nr, skip_low,
- skip_high, 0));
-}
-
-static int cxio_init_resource_fifo_random(struct kfifo *fifo,
- spinlock_t * fifo_lock,
- u32 nr, u32 skip_low, u32 skip_high)
-{
-
- return (__cxio_init_resource_fifo(fifo, fifo_lock, nr, skip_low,
- skip_high, 1));
-}
-
-static int cxio_init_qpid_fifo(struct cxio_rdev *rdev_p)
-{
- u32 i;
-
- spin_lock_init(&rdev_p->rscp->qpid_fifo_lock);
-
- if (kfifo_alloc(&rdev_p->rscp->qpid_fifo, T3_MAX_NUM_QP * sizeof(u32),
- GFP_KERNEL))
- return -ENOMEM;
-
- for (i = 16; i < T3_MAX_NUM_QP; i++)
- if (!(i & rdev_p->qpmask))
- kfifo_in(&rdev_p->rscp->qpid_fifo,
- (unsigned char *) &i, sizeof(u32));
- return 0;
-}
-
-int cxio_hal_init_rhdl_resource(u32 nr_rhdl)
-{
- return cxio_init_resource_fifo(&rhdl_fifo, &rhdl_fifo_lock, nr_rhdl, 1,
- 0);
-}
-
-void cxio_hal_destroy_rhdl_resource(void)
-{
- kfifo_free(&rhdl_fifo);
-}
-
-/* nr_* must be power of 2 */
-int cxio_hal_init_resource(struct cxio_rdev *rdev_p,
- u32 nr_tpt, u32 nr_pbl,
- u32 nr_rqt, u32 nr_qpid, u32 nr_cqid, u32 nr_pdid)
-{
- int err = 0;
- struct cxio_hal_resource *rscp;
-
- rscp = kmalloc(sizeof(*rscp), GFP_KERNEL);
- if (!rscp)
- return -ENOMEM;
- rdev_p->rscp = rscp;
- err = cxio_init_resource_fifo_random(&rscp->tpt_fifo,
- &rscp->tpt_fifo_lock,
- nr_tpt, 1, 0);
- if (err)
- goto tpt_err;
- err = cxio_init_qpid_fifo(rdev_p);
- if (err)
- goto qpid_err;
- err = cxio_init_resource_fifo(&rscp->cqid_fifo, &rscp->cqid_fifo_lock,
- nr_cqid, 1, 0);
- if (err)
- goto cqid_err;
- err = cxio_init_resource_fifo(&rscp->pdid_fifo, &rscp->pdid_fifo_lock,
- nr_pdid, 1, 0);
- if (err)
- goto pdid_err;
- return 0;
-pdid_err:
- kfifo_free(&rscp->cqid_fifo);
-cqid_err:
- kfifo_free(&rscp->qpid_fifo);
-qpid_err:
- kfifo_free(&rscp->tpt_fifo);
-tpt_err:
- return -ENOMEM;
-}
-
-/*
- * returns 0 if no resource available
- */
-static u32 cxio_hal_get_resource(struct kfifo *fifo, spinlock_t * lock)
-{
- u32 entry;
- if (kfifo_out_locked(fifo, (unsigned char *) &entry, sizeof(u32), lock))
- return entry;
- else
- return 0; /* fifo emptry */
-}
-
-static void cxio_hal_put_resource(struct kfifo *fifo, spinlock_t * lock,
- u32 entry)
-{
- BUG_ON(
- kfifo_in_locked(fifo, (unsigned char *) &entry, sizeof(u32), lock)
- == 0);
-}
-
-u32 cxio_hal_get_stag(struct cxio_hal_resource *rscp)
-{
- return cxio_hal_get_resource(&rscp->tpt_fifo, &rscp->tpt_fifo_lock);
-}
-
-void cxio_hal_put_stag(struct cxio_hal_resource *rscp, u32 stag)
-{
- cxio_hal_put_resource(&rscp->tpt_fifo, &rscp->tpt_fifo_lock, stag);
-}
-
-u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp)
-{
- u32 qpid = cxio_hal_get_resource(&rscp->qpid_fifo,
- &rscp->qpid_fifo_lock);
- pr_debug("%s qpid 0x%x\n", __func__, qpid);
- return qpid;
-}
-
-void cxio_hal_put_qpid(struct cxio_hal_resource *rscp, u32 qpid)
-{
- pr_debug("%s qpid 0x%x\n", __func__, qpid);
- cxio_hal_put_resource(&rscp->qpid_fifo, &rscp->qpid_fifo_lock, qpid);
-}
-
-u32 cxio_hal_get_cqid(struct cxio_hal_resource *rscp)
-{
- return cxio_hal_get_resource(&rscp->cqid_fifo, &rscp->cqid_fifo_lock);
-}
-
-void cxio_hal_put_cqid(struct cxio_hal_resource *rscp, u32 cqid)
-{
- cxio_hal_put_resource(&rscp->cqid_fifo, &rscp->cqid_fifo_lock, cqid);
-}
-
-u32 cxio_hal_get_pdid(struct cxio_hal_resource *rscp)
-{
- return cxio_hal_get_resource(&rscp->pdid_fifo, &rscp->pdid_fifo_lock);
-}
-
-void cxio_hal_put_pdid(struct cxio_hal_resource *rscp, u32 pdid)
-{
- cxio_hal_put_resource(&rscp->pdid_fifo, &rscp->pdid_fifo_lock, pdid);
-}
-
-void cxio_hal_destroy_resource(struct cxio_hal_resource *rscp)
-{
- kfifo_free(&rscp->tpt_fifo);
- kfifo_free(&rscp->cqid_fifo);
- kfifo_free(&rscp->qpid_fifo);
- kfifo_free(&rscp->pdid_fifo);
- kfree(rscp);
-}
-
-/*
- * PBL Memory Manager. Uses Linux generic allocator.
- */
-
-#define MIN_PBL_SHIFT 8 /* 256B == min PBL size (32 entries) */
-
-u32 cxio_hal_pblpool_alloc(struct cxio_rdev *rdev_p, int size)
-{
- unsigned long addr = gen_pool_alloc(rdev_p->pbl_pool, size);
- pr_debug("%s addr 0x%x size %d\n", __func__, (u32)addr, size);
- return (u32)addr;
-}
-
-void cxio_hal_pblpool_free(struct cxio_rdev *rdev_p, u32 addr, int size)
-{
- pr_debug("%s addr 0x%x size %d\n", __func__, addr, size);
- gen_pool_free(rdev_p->pbl_pool, (unsigned long)addr, size);
-}
-
-int cxio_hal_pblpool_create(struct cxio_rdev *rdev_p)
-{
- unsigned pbl_start, pbl_chunk;
-
- rdev_p->pbl_pool = gen_pool_create(MIN_PBL_SHIFT, -1);
- if (!rdev_p->pbl_pool)
- return -ENOMEM;
-
- pbl_start = rdev_p->rnic_info.pbl_base;
- pbl_chunk = rdev_p->rnic_info.pbl_top - pbl_start + 1;
-
- while (pbl_start < rdev_p->rnic_info.pbl_top) {
- pbl_chunk = min(rdev_p->rnic_info.pbl_top - pbl_start + 1,
- pbl_chunk);
- if (gen_pool_add(rdev_p->pbl_pool, pbl_start, pbl_chunk, -1)) {
- pr_debug("%s failed to add PBL chunk (%x/%x)\n",
- __func__, pbl_start, pbl_chunk);
- if (pbl_chunk <= 1024 << MIN_PBL_SHIFT) {
- pr_warn("%s: Failed to add all PBL chunks (%x/%x)\n",
- __func__, pbl_start,
- rdev_p->rnic_info.pbl_top - pbl_start);
- return 0;
- }
- pbl_chunk >>= 1;
- } else {
- pr_debug("%s added PBL chunk (%x/%x)\n",
- __func__, pbl_start, pbl_chunk);
- pbl_start += pbl_chunk;
- }
- }
-
- return 0;
-}
-
-void cxio_hal_pblpool_destroy(struct cxio_rdev *rdev_p)
-{
- gen_pool_destroy(rdev_p->pbl_pool);
-}
-
-/*
- * RQT Memory Manager. Uses Linux generic allocator.
- */
-
-#define MIN_RQT_SHIFT 10 /* 1KB == mini RQT size (16 entries) */
-#define RQT_CHUNK 2*1024*1024
-
-u32 cxio_hal_rqtpool_alloc(struct cxio_rdev *rdev_p, int size)
-{
- unsigned long addr = gen_pool_alloc(rdev_p->rqt_pool, size << 6);
- pr_debug("%s addr 0x%x size %d\n", __func__, (u32)addr, size << 6);
- return (u32)addr;
-}
-
-void cxio_hal_rqtpool_free(struct cxio_rdev *rdev_p, u32 addr, int size)
-{
- pr_debug("%s addr 0x%x size %d\n", __func__, addr, size << 6);
- gen_pool_free(rdev_p->rqt_pool, (unsigned long)addr, size << 6);
-}
-
-int cxio_hal_rqtpool_create(struct cxio_rdev *rdev_p)
-{
- unsigned long i;
- rdev_p->rqt_pool = gen_pool_create(MIN_RQT_SHIFT, -1);
- if (rdev_p->rqt_pool)
- for (i = rdev_p->rnic_info.rqt_base;
- i <= rdev_p->rnic_info.rqt_top - RQT_CHUNK + 1;
- i += RQT_CHUNK)
- gen_pool_add(rdev_p->rqt_pool, i, RQT_CHUNK, -1);
- return rdev_p->rqt_pool ? 0 : -ENOMEM;
-}
-
-void cxio_hal_rqtpool_destroy(struct cxio_rdev *rdev_p)
-{
- gen_pool_destroy(rdev_p->rqt_pool);
-}
deleted file mode 100644
@@ -1,69 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef __CXIO_RESOURCE_H__
-#define __CXIO_RESOURCE_H__
-
-#include <linux/kernel.h>
-#include <linux/random.h>
-#include <linux/slab.h>
-#include <linux/kfifo.h>
-#include <linux/spinlock.h>
-#include <linux/errno.h>
-#include <linux/genalloc.h>
-#include "cxio_hal.h"
-
-extern int cxio_hal_init_rhdl_resource(u32 nr_rhdl);
-extern void cxio_hal_destroy_rhdl_resource(void);
-extern int cxio_hal_init_resource(struct cxio_rdev *rdev_p,
- u32 nr_tpt, u32 nr_pbl,
- u32 nr_rqt, u32 nr_qpid, u32 nr_cqid,
- u32 nr_pdid);
-extern u32 cxio_hal_get_stag(struct cxio_hal_resource *rscp);
-extern void cxio_hal_put_stag(struct cxio_hal_resource *rscp, u32 stag);
-extern u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp);
-extern void cxio_hal_put_qpid(struct cxio_hal_resource *rscp, u32 qpid);
-extern u32 cxio_hal_get_cqid(struct cxio_hal_resource *rscp);
-extern void cxio_hal_put_cqid(struct cxio_hal_resource *rscp, u32 cqid);
-extern void cxio_hal_destroy_resource(struct cxio_hal_resource *rscp);
-
-#define PBL_OFF(rdev_p, a) ( (a) - (rdev_p)->rnic_info.pbl_base )
-extern int cxio_hal_pblpool_create(struct cxio_rdev *rdev_p);
-extern void cxio_hal_pblpool_destroy(struct cxio_rdev *rdev_p);
-extern u32 cxio_hal_pblpool_alloc(struct cxio_rdev *rdev_p, int size);
-extern void cxio_hal_pblpool_free(struct cxio_rdev *rdev_p, u32 addr, int size);
-
-#define RQT_OFF(rdev_p, a) ( (a) - (rdev_p)->rnic_info.rqt_base )
-extern int cxio_hal_rqtpool_create(struct cxio_rdev *rdev_p);
-extern void cxio_hal_rqtpool_destroy(struct cxio_rdev *rdev_p);
-extern u32 cxio_hal_rqtpool_alloc(struct cxio_rdev *rdev_p, int size);
-extern void cxio_hal_rqtpool_free(struct cxio_rdev *rdev_p, u32 addr, int size);
-#endif
deleted file mode 100644
@@ -1,802 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef __CXIO_WR_H__
-#define __CXIO_WR_H__
-
-#include <asm/io.h>
-#include <linux/pci.h>
-#include <linux/timer.h>
-#include "firmware_exports.h"
-
-#define T3_MAX_SGE 4
-#define T3_MAX_INLINE 64
-#define T3_STAG0_PBL_SIZE (2 * T3_MAX_SGE << 3)
-#define T3_STAG0_MAX_PBE_LEN (128 * 1024 * 1024)
-#define T3_STAG0_PAGE_SHIFT 15
-
-#define Q_EMPTY(rptr,wptr) ((rptr)==(wptr))
-#define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \
- ((rptr)!=(wptr)) )
-#define Q_GENBIT(ptr,size_log2) (!(((ptr)>>size_log2)&0x1))
-#define Q_FREECNT(rptr,wptr,size_log2) ((1UL<<size_log2)-((wptr)-(rptr)))
-#define Q_COUNT(rptr,wptr) ((wptr)-(rptr))
-#define Q_PTR2IDX(ptr,size_log2) (ptr & ((1UL<<size_log2)-1))
-
-static inline void ring_doorbell(void __iomem *doorbell, u32 qpid)
-{
- writel(((1<<31) | qpid), doorbell);
-}
-
-#define SEQ32_GE(x,y) (!( (((u32) (x)) - ((u32) (y))) & 0x80000000 ))
-
-enum t3_wr_flags {
- T3_COMPLETION_FLAG = 0x01,
- T3_NOTIFY_FLAG = 0x02,
- T3_SOLICITED_EVENT_FLAG = 0x04,
- T3_READ_FENCE_FLAG = 0x08,
- T3_LOCAL_FENCE_FLAG = 0x10
-} __packed;
-
-enum t3_wr_opcode {
- T3_WR_BP = FW_WROPCODE_RI_BYPASS,
- T3_WR_SEND = FW_WROPCODE_RI_SEND,
- T3_WR_WRITE = FW_WROPCODE_RI_RDMA_WRITE,
- T3_WR_READ = FW_WROPCODE_RI_RDMA_READ,
- T3_WR_INV_STAG = FW_WROPCODE_RI_LOCAL_INV,
- T3_WR_BIND = FW_WROPCODE_RI_BIND_MW,
- T3_WR_RCV = FW_WROPCODE_RI_RECEIVE,
- T3_WR_INIT = FW_WROPCODE_RI_RDMA_INIT,
- T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP,
- T3_WR_FASTREG = FW_WROPCODE_RI_FASTREGISTER_MR
-} __packed;
-
-enum t3_rdma_opcode {
- T3_RDMA_WRITE, /* IETF RDMAP v1.0 ... */
- T3_READ_REQ,
- T3_READ_RESP,
- T3_SEND,
- T3_SEND_WITH_INV,
- T3_SEND_WITH_SE,
- T3_SEND_WITH_SE_INV,
- T3_TERMINATE,
- T3_RDMA_INIT, /* CHELSIO RI specific ... */
- T3_BIND_MW,
- T3_FAST_REGISTER,
- T3_LOCAL_INV,
- T3_QP_MOD,
- T3_BYPASS,
- T3_RDMA_READ_REQ_WITH_INV,
-} __packed;
-
-static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop)
-{
- switch (wrop) {
- case T3_WR_BP: return T3_BYPASS;
- case T3_WR_SEND: return T3_SEND;
- case T3_WR_WRITE: return T3_RDMA_WRITE;
- case T3_WR_READ: return T3_READ_REQ;
- case T3_WR_INV_STAG: return T3_LOCAL_INV;
- case T3_WR_BIND: return T3_BIND_MW;
- case T3_WR_INIT: return T3_RDMA_INIT;
- case T3_WR_QP_MOD: return T3_QP_MOD;
- case T3_WR_FASTREG: return T3_FAST_REGISTER;
- default: break;
- }
- return -1;
-}
-
-
-/* Work request id */
-union t3_wrid {
- struct {
- u32 hi;
- u32 low;
- } id0;
- u64 id1;
-};
-
-#define WRID(wrid) (wrid.id1)
-#define WRID_GEN(wrid) (wrid.id0.wr_gen)
-#define WRID_IDX(wrid) (wrid.id0.wr_idx)
-#define WRID_LO(wrid) (wrid.id0.wr_lo)
-
-struct fw_riwrh {
- __be32 op_seop_flags;
- __be32 gen_tid_len;
-};
-
-#define S_FW_RIWR_OP 24
-#define M_FW_RIWR_OP 0xff
-#define V_FW_RIWR_OP(x) ((x) << S_FW_RIWR_OP)
-#define G_FW_RIWR_OP(x) ((((x) >> S_FW_RIWR_OP)) & M_FW_RIWR_OP)
-
-#define S_FW_RIWR_SOPEOP 22
-#define M_FW_RIWR_SOPEOP 0x3
-#define V_FW_RIWR_SOPEOP(x) ((x) << S_FW_RIWR_SOPEOP)
-
-#define S_FW_RIWR_FLAGS 8
-#define M_FW_RIWR_FLAGS 0x3fffff
-#define V_FW_RIWR_FLAGS(x) ((x) << S_FW_RIWR_FLAGS)
-#define G_FW_RIWR_FLAGS(x) ((((x) >> S_FW_RIWR_FLAGS)) & M_FW_RIWR_FLAGS)
-
-#define S_FW_RIWR_TID 8
-#define V_FW_RIWR_TID(x) ((x) << S_FW_RIWR_TID)
-
-#define S_FW_RIWR_LEN 0
-#define V_FW_RIWR_LEN(x) ((x) << S_FW_RIWR_LEN)
-
-#define S_FW_RIWR_GEN 31
-#define V_FW_RIWR_GEN(x) ((x) << S_FW_RIWR_GEN)
-
-struct t3_sge {
- __be32 stag;
- __be32 len;
- __be64 to;
-};
-
-/* If num_sgle is zero, flit 5+ contains immediate data.*/
-struct t3_send_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
-
- u8 rdmaop; /* 2 */
- u8 reserved[3];
- __be32 rem_stag;
- __be32 plen; /* 3 */
- __be32 num_sgle;
- struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */
-};
-
-#define T3_MAX_FASTREG_DEPTH 10
-#define T3_MAX_FASTREG_FRAG 10
-
-struct t3_fastreg_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- __be32 stag; /* 2 */
- __be32 len;
- __be32 va_base_hi; /* 3 */
- __be32 va_base_lo_fbo;
- __be32 page_type_perms; /* 4 */
- __be32 reserved1;
- __be64 pbl_addrs[0]; /* 5+ */
-};
-
-/*
- * If a fastreg wr spans multiple wqes, then the 2nd fragment look like this.
- */
-struct t3_pbl_frag {
- struct fw_riwrh wrh; /* 0 */
- __be64 pbl_addrs[14]; /* 1..14 */
-};
-
-#define S_FR_PAGE_COUNT 24
-#define M_FR_PAGE_COUNT 0xff
-#define V_FR_PAGE_COUNT(x) ((x) << S_FR_PAGE_COUNT)
-#define G_FR_PAGE_COUNT(x) ((((x) >> S_FR_PAGE_COUNT)) & M_FR_PAGE_COUNT)
-
-#define S_FR_PAGE_SIZE 16
-#define M_FR_PAGE_SIZE 0x1f
-#define V_FR_PAGE_SIZE(x) ((x) << S_FR_PAGE_SIZE)
-#define G_FR_PAGE_SIZE(x) ((((x) >> S_FR_PAGE_SIZE)) & M_FR_PAGE_SIZE)
-
-#define S_FR_TYPE 8
-#define M_FR_TYPE 0x1
-#define V_FR_TYPE(x) ((x) << S_FR_TYPE)
-#define G_FR_TYPE(x) ((((x) >> S_FR_TYPE)) & M_FR_TYPE)
-
-#define S_FR_PERMS 0
-#define M_FR_PERMS 0xff
-#define V_FR_PERMS(x) ((x) << S_FR_PERMS)
-#define G_FR_PERMS(x) ((((x) >> S_FR_PERMS)) & M_FR_PERMS)
-
-struct t3_local_inv_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- __be32 stag; /* 2 */
- __be32 reserved;
-};
-
-struct t3_rdma_write_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- u8 rdmaop; /* 2 */
- u8 reserved[3];
- __be32 stag_sink;
- __be64 to_sink; /* 3 */
- __be32 plen; /* 4 */
- __be32 num_sgle;
- struct t3_sge sgl[T3_MAX_SGE]; /* 5+ */
-};
-
-struct t3_rdma_read_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- u8 rdmaop; /* 2 */
- u8 local_inv;
- u8 reserved[2];
- __be32 rem_stag;
- __be64 rem_to; /* 3 */
- __be32 local_stag; /* 4 */
- __be32 local_len;
- __be64 local_to; /* 5 */
-};
-
-struct t3_bind_mw_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- u16 reserved; /* 2 */
- u8 type;
- u8 perms;
- __be32 mr_stag;
- __be32 mw_stag; /* 3 */
- __be32 mw_len;
- __be64 mw_va; /* 4 */
- __be32 mr_pbl_addr; /* 5 */
- u8 reserved2[3];
- u8 mr_pagesz;
-};
-
-struct t3_receive_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- u8 pagesz[T3_MAX_SGE];
- __be32 num_sgle; /* 2 */
- struct t3_sge sgl[T3_MAX_SGE]; /* 3+ */
- __be32 pbl_addr[T3_MAX_SGE];
-};
-
-struct t3_bypass_wr {
- struct fw_riwrh wrh;
- union t3_wrid wrid; /* 1 */
-};
-
-struct t3_modify_qp_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- __be32 flags; /* 2 */
- __be32 quiesce; /* 2 */
- __be32 max_ird; /* 3 */
- __be32 max_ord; /* 3 */
- __be64 sge_cmd; /* 4 */
- __be64 ctx1; /* 5 */
- __be64 ctx0; /* 6 */
-};
-
-enum t3_modify_qp_flags {
- MODQP_QUIESCE = 0x01,
- MODQP_MAX_IRD = 0x02,
- MODQP_MAX_ORD = 0x04,
- MODQP_WRITE_EC = 0x08,
- MODQP_READ_EC = 0x10,
-};
-
-
-enum t3_mpa_attrs {
- uP_RI_MPA_RX_MARKER_ENABLE = 0x1,
- uP_RI_MPA_TX_MARKER_ENABLE = 0x2,
- uP_RI_MPA_CRC_ENABLE = 0x4,
- uP_RI_MPA_IETF_ENABLE = 0x8
-} __packed;
-
-enum t3_qp_caps {
- uP_RI_QP_RDMA_READ_ENABLE = 0x01,
- uP_RI_QP_RDMA_WRITE_ENABLE = 0x02,
- uP_RI_QP_BIND_ENABLE = 0x04,
- uP_RI_QP_FAST_REGISTER_ENABLE = 0x08,
- uP_RI_QP_STAG0_ENABLE = 0x10
-} __packed;
-
-enum rdma_init_rtr_types {
- RTR_READ = 1,
- RTR_WRITE = 2,
- RTR_SEND = 3,
-};
-
-#define S_RTR_TYPE 2
-#define M_RTR_TYPE 0x3
-#define V_RTR_TYPE(x) ((x) << S_RTR_TYPE)
-#define G_RTR_TYPE(x) ((((x) >> S_RTR_TYPE)) & M_RTR_TYPE)
-
-#define S_CHAN 4
-#define M_CHAN 0x3
-#define V_CHAN(x) ((x) << S_CHAN)
-#define G_CHAN(x) ((((x) >> S_CHAN)) & M_CHAN)
-
-struct t3_rdma_init_attr {
- u32 tid;
- u32 qpid;
- u32 pdid;
- u32 scqid;
- u32 rcqid;
- u32 rq_addr;
- u32 rq_size;
- enum t3_mpa_attrs mpaattrs;
- enum t3_qp_caps qpcaps;
- u16 tcp_emss;
- u32 ord;
- u32 ird;
- u64 qp_dma_addr;
- u32 qp_dma_size;
- enum rdma_init_rtr_types rtr_type;
- u16 flags;
- u16 rqe_count;
- u32 irs;
- u32 chan;
-};
-
-struct t3_rdma_init_wr {
- struct fw_riwrh wrh; /* 0 */
- union t3_wrid wrid; /* 1 */
- __be32 qpid; /* 2 */
- __be32 pdid;
- __be32 scqid; /* 3 */
- __be32 rcqid;
- __be32 rq_addr; /* 4 */
- __be32 rq_size;
- u8 mpaattrs; /* 5 */
- u8 qpcaps;
- __be16 ulpdu_size;
- __be16 flags_rtr_type;
- __be16 rqe_count;
- __be32 ord; /* 6 */
- __be32 ird;
- __be64 qp_dma_addr; /* 7 */
- __be32 qp_dma_size; /* 8 */
- __be32 irs;
-};
-
-struct t3_genbit {
- u64 flit[15];
- __be64 genbit;
-};
-
-struct t3_wq_in_err {
- u64 flit[13];
- u64 err;
-};
-
-enum rdma_init_wr_flags {
- MPA_INITIATOR = (1<<0),
- PRIV_QP = (1<<1),
-};
-
-union t3_wr {
- struct t3_send_wr send;
- struct t3_rdma_write_wr write;
- struct t3_rdma_read_wr read;
- struct t3_receive_wr recv;
- struct t3_fastreg_wr fastreg;
- struct t3_pbl_frag pbl_frag;
- struct t3_local_inv_wr local_inv;
- struct t3_bind_mw_wr bind;
- struct t3_bypass_wr bypass;
- struct t3_rdma_init_wr init;
- struct t3_modify_qp_wr qp_mod;
- struct t3_genbit genbit;
- struct t3_wq_in_err wq_in_err;
- __be64 flit[16];
-};
-
-#define T3_SQ_CQE_FLIT 13
-#define T3_SQ_COOKIE_FLIT 14
-
-#define T3_RQ_COOKIE_FLIT 13
-#define T3_RQ_CQE_FLIT 14
-
-static inline enum t3_wr_opcode fw_riwrh_opcode(struct fw_riwrh *wqe)
-{
- return G_FW_RIWR_OP(be32_to_cpu(wqe->op_seop_flags));
-}
-
-enum t3_wr_hdr_bits {
- T3_EOP = 1,
- T3_SOP = 2,
- T3_SOPEOP = T3_EOP|T3_SOP,
-};
-
-static inline void build_fw_riwrh(struct fw_riwrh *wqe, enum t3_wr_opcode op,
- enum t3_wr_flags flags, u8 genbit, u32 tid,
- u8 len, u8 sopeop)
-{
- wqe->op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(op) |
- V_FW_RIWR_SOPEOP(sopeop) |
- V_FW_RIWR_FLAGS(flags));
- wmb();
- wqe->gen_tid_len = cpu_to_be32(V_FW_RIWR_GEN(genbit) |
- V_FW_RIWR_TID(tid) |
- V_FW_RIWR_LEN(len));
- /* 2nd gen bit... */
- ((union t3_wr *)wqe)->genbit.genbit = cpu_to_be64(genbit);
-}
-
-/*
- * T3 ULP2_TX commands
- */
-enum t3_utx_mem_op {
- T3_UTX_MEM_READ = 2,
- T3_UTX_MEM_WRITE = 3
-};
-
-/* T3 MC7 RDMA TPT entry format */
-
-enum tpt_mem_type {
- TPT_NON_SHARED_MR = 0x0,
- TPT_SHARED_MR = 0x1,
- TPT_MW = 0x2,
- TPT_MW_RELAXED_PROTECTION = 0x3
-};
-
-enum tpt_addr_type {
- TPT_ZBTO = 0,
- TPT_VATO = 1
-};
-
-enum tpt_mem_perm {
- TPT_MW_BIND = 0x10,
- TPT_LOCAL_READ = 0x8,
- TPT_LOCAL_WRITE = 0x4,
- TPT_REMOTE_READ = 0x2,
- TPT_REMOTE_WRITE = 0x1
-};
-
-struct tpt_entry {
- __be32 valid_stag_pdid;
- __be32 flags_pagesize_qpid;
-
- __be32 rsvd_pbl_addr;
- __be32 len;
- __be32 va_hi;
- __be32 va_low_or_fbo;
-
- __be32 rsvd_bind_cnt_or_pstag;
- __be32 rsvd_pbl_size;
-};
-
-#define S_TPT_VALID 31
-#define V_TPT_VALID(x) ((x) << S_TPT_VALID)
-#define F_TPT_VALID V_TPT_VALID(1U)
-
-#define S_TPT_STAG_KEY 23
-#define M_TPT_STAG_KEY 0xFF
-#define V_TPT_STAG_KEY(x) ((x) << S_TPT_STAG_KEY)
-#define G_TPT_STAG_KEY(x) (((x) >> S_TPT_STAG_KEY) & M_TPT_STAG_KEY)
-
-#define S_TPT_STAG_STATE 22
-#define V_TPT_STAG_STATE(x) ((x) << S_TPT_STAG_STATE)
-#define F_TPT_STAG_STATE V_TPT_STAG_STATE(1U)
-
-#define S_TPT_STAG_TYPE 20
-#define M_TPT_STAG_TYPE 0x3
-#define V_TPT_STAG_TYPE(x) ((x) << S_TPT_STAG_TYPE)
-#define G_TPT_STAG_TYPE(x) (((x) >> S_TPT_STAG_TYPE) & M_TPT_STAG_TYPE)
-
-#define S_TPT_PDID 0
-#define M_TPT_PDID 0xFFFFF
-#define V_TPT_PDID(x) ((x) << S_TPT_PDID)
-#define G_TPT_PDID(x) (((x) >> S_TPT_PDID) & M_TPT_PDID)
-
-#define S_TPT_PERM 28
-#define M_TPT_PERM 0xF
-#define V_TPT_PERM(x) ((x) << S_TPT_PERM)
-#define G_TPT_PERM(x) (((x) >> S_TPT_PERM) & M_TPT_PERM)
-
-#define S_TPT_REM_INV_DIS 27
-#define V_TPT_REM_INV_DIS(x) ((x) << S_TPT_REM_INV_DIS)
-#define F_TPT_REM_INV_DIS V_TPT_REM_INV_DIS(1U)
-
-#define S_TPT_ADDR_TYPE 26
-#define V_TPT_ADDR_TYPE(x) ((x) << S_TPT_ADDR_TYPE)
-#define F_TPT_ADDR_TYPE V_TPT_ADDR_TYPE(1U)
-
-#define S_TPT_MW_BIND_ENABLE 25
-#define V_TPT_MW_BIND_ENABLE(x) ((x) << S_TPT_MW_BIND_ENABLE)
-#define F_TPT_MW_BIND_ENABLE V_TPT_MW_BIND_ENABLE(1U)
-
-#define S_TPT_PAGE_SIZE 20
-#define M_TPT_PAGE_SIZE 0x1F
-#define V_TPT_PAGE_SIZE(x) ((x) << S_TPT_PAGE_SIZE)
-#define G_TPT_PAGE_SIZE(x) (((x) >> S_TPT_PAGE_SIZE) & M_TPT_PAGE_SIZE)
-
-#define S_TPT_PBL_ADDR 0
-#define M_TPT_PBL_ADDR 0x1FFFFFFF
-#define V_TPT_PBL_ADDR(x) ((x) << S_TPT_PBL_ADDR)
-#define G_TPT_PBL_ADDR(x) (((x) >> S_TPT_PBL_ADDR) & M_TPT_PBL_ADDR)
-
-#define S_TPT_QPID 0
-#define M_TPT_QPID 0xFFFFF
-#define V_TPT_QPID(x) ((x) << S_TPT_QPID)
-#define G_TPT_QPID(x) (((x) >> S_TPT_QPID) & M_TPT_QPID)
-
-#define S_TPT_PSTAG 0
-#define M_TPT_PSTAG 0xFFFFFF
-#define V_TPT_PSTAG(x) ((x) << S_TPT_PSTAG)
-#define G_TPT_PSTAG(x) (((x) >> S_TPT_PSTAG) & M_TPT_PSTAG)
-
-#define S_TPT_PBL_SIZE 0
-#define M_TPT_PBL_SIZE 0xFFFFF
-#define V_TPT_PBL_SIZE(x) ((x) << S_TPT_PBL_SIZE)
-#define G_TPT_PBL_SIZE(x) (((x) >> S_TPT_PBL_SIZE) & M_TPT_PBL_SIZE)
-
-/*
- * CQE defs
- */
-struct t3_cqe {
- __be32 header;
- __be32 len;
- union {
- struct {
- __be32 stag;
- __be32 msn;
- } rcqe;
- struct {
- u32 wrid_hi;
- u32 wrid_low;
- } scqe;
- } u;
-};
-
-#define S_CQE_OOO 31
-#define M_CQE_OOO 0x1
-#define G_CQE_OOO(x) ((((x) >> S_CQE_OOO)) & M_CQE_OOO)
-#define V_CEQ_OOO(x) ((x)<<S_CQE_OOO)
-
-#define S_CQE_QPID 12
-#define M_CQE_QPID 0x7FFFF
-#define G_CQE_QPID(x) ((((x) >> S_CQE_QPID)) & M_CQE_QPID)
-#define V_CQE_QPID(x) ((x)<<S_CQE_QPID)
-
-#define S_CQE_SWCQE 11
-#define M_CQE_SWCQE 0x1
-#define G_CQE_SWCQE(x) ((((x) >> S_CQE_SWCQE)) & M_CQE_SWCQE)
-#define V_CQE_SWCQE(x) ((x)<<S_CQE_SWCQE)
-
-#define S_CQE_GENBIT 10
-#define M_CQE_GENBIT 0x1
-#define G_CQE_GENBIT(x) (((x) >> S_CQE_GENBIT) & M_CQE_GENBIT)
-#define V_CQE_GENBIT(x) ((x)<<S_CQE_GENBIT)
-
-#define S_CQE_STATUS 5
-#define M_CQE_STATUS 0x1F
-#define G_CQE_STATUS(x) ((((x) >> S_CQE_STATUS)) & M_CQE_STATUS)
-#define V_CQE_STATUS(x) ((x)<<S_CQE_STATUS)
-
-#define S_CQE_TYPE 4
-#define M_CQE_TYPE 0x1
-#define G_CQE_TYPE(x) ((((x) >> S_CQE_TYPE)) & M_CQE_TYPE)
-#define V_CQE_TYPE(x) ((x)<<S_CQE_TYPE)
-
-#define S_CQE_OPCODE 0
-#define M_CQE_OPCODE 0xF
-#define G_CQE_OPCODE(x) ((((x) >> S_CQE_OPCODE)) & M_CQE_OPCODE)
-#define V_CQE_OPCODE(x) ((x)<<S_CQE_OPCODE)
-
-#define SW_CQE(x) (G_CQE_SWCQE(be32_to_cpu((x).header)))
-#define CQE_OOO(x) (G_CQE_OOO(be32_to_cpu((x).header)))
-#define CQE_QPID(x) (G_CQE_QPID(be32_to_cpu((x).header)))
-#define CQE_GENBIT(x) (G_CQE_GENBIT(be32_to_cpu((x).header)))
-#define CQE_TYPE(x) (G_CQE_TYPE(be32_to_cpu((x).header)))
-#define SQ_TYPE(x) (CQE_TYPE((x)))
-#define RQ_TYPE(x) (!CQE_TYPE((x)))
-#define CQE_STATUS(x) (G_CQE_STATUS(be32_to_cpu((x).header)))
-#define CQE_OPCODE(x) (G_CQE_OPCODE(be32_to_cpu((x).header)))
-
-#define CQE_SEND_OPCODE(x)( \
- (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND) || \
- (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND_WITH_SE) || \
- (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND_WITH_INV) || \
- (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND_WITH_SE_INV))
-
-#define CQE_LEN(x) (be32_to_cpu((x).len))
-
-/* used for RQ completion processing */
-#define CQE_WRID_STAG(x) (be32_to_cpu((x).u.rcqe.stag))
-#define CQE_WRID_MSN(x) (be32_to_cpu((x).u.rcqe.msn))
-
-/* used for SQ completion processing */
-#define CQE_WRID_SQ_WPTR(x) ((x).u.scqe.wrid_hi)
-#define CQE_WRID_WPTR(x) ((x).u.scqe.wrid_low)
-
-/* generic accessor macros */
-#define CQE_WRID_HI(x) ((x).u.scqe.wrid_hi)
-#define CQE_WRID_LOW(x) ((x).u.scqe.wrid_low)
-
-#define TPT_ERR_SUCCESS 0x0
-#define TPT_ERR_STAG 0x1 /* STAG invalid: either the */
- /* STAG is offlimt, being 0, */
- /* or STAG_key mismatch */
-#define TPT_ERR_PDID 0x2 /* PDID mismatch */
-#define TPT_ERR_QPID 0x3 /* QPID mismatch */
-#define TPT_ERR_ACCESS 0x4 /* Invalid access right */
-#define TPT_ERR_WRAP 0x5 /* Wrap error */
-#define TPT_ERR_BOUND 0x6 /* base and bounds voilation */
-#define TPT_ERR_INVALIDATE_SHARED_MR 0x7 /* attempt to invalidate a */
- /* shared memory region */
-#define TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND 0x8 /* attempt to invalidate a */
- /* shared memory region */
-#define TPT_ERR_ECC 0x9 /* ECC error detected */
-#define TPT_ERR_ECC_PSTAG 0xA /* ECC error detected when */
- /* reading PSTAG for a MW */
- /* Invalidate */
-#define TPT_ERR_PBL_ADDR_BOUND 0xB /* pbl addr out of bounds: */
- /* software error */
-#define TPT_ERR_SWFLUSH 0xC /* SW FLUSHED */
-#define TPT_ERR_CRC 0x10 /* CRC error */
-#define TPT_ERR_MARKER 0x11 /* Marker error */
-#define TPT_ERR_PDU_LEN_ERR 0x12 /* invalid PDU length */
-#define TPT_ERR_OUT_OF_RQE 0x13 /* out of RQE */
-#define TPT_ERR_DDP_VERSION 0x14 /* wrong DDP version */
-#define TPT_ERR_RDMA_VERSION 0x15 /* wrong RDMA version */
-#define TPT_ERR_OPCODE 0x16 /* invalid rdma opcode */
-#define TPT_ERR_DDP_QUEUE_NUM 0x17 /* invalid ddp queue number */
-#define TPT_ERR_MSN 0x18 /* MSN error */
-#define TPT_ERR_TBIT 0x19 /* tag bit not set correctly */
-#define TPT_ERR_MO 0x1A /* MO not 0 for TERMINATE */
- /* or READ_REQ */
-#define TPT_ERR_MSN_GAP 0x1B
-#define TPT_ERR_MSN_RANGE 0x1C
-#define TPT_ERR_IRD_OVERFLOW 0x1D
-#define TPT_ERR_RQE_ADDR_BOUND 0x1E /* RQE addr out of bounds: */
- /* software error */
-#define TPT_ERR_INTERNAL_ERR 0x1F /* internal error (opcode */
- /* mismatch) */
-
-struct t3_swsq {
- __u64 wr_id;
- struct t3_cqe cqe;
- __u32 sq_wptr;
- __be32 read_len;
- int opcode;
- int complete;
- int signaled;
-};
-
-struct t3_swrq {
- __u64 wr_id;
- __u32 pbl_addr;
-};
-
-/*
- * A T3 WQ implements both the SQ and RQ.
- */
-struct t3_wq {
- union t3_wr *queue; /* DMA accessible memory */
- dma_addr_t dma_addr; /* DMA address for HW */
- DEFINE_DMA_UNMAP_ADDR(mapping); /* unmap kruft */
- u32 error; /* 1 once we go to ERROR */
- u32 qpid;
- u32 wptr; /* idx to next available WR slot */
- u32 size_log2; /* total wq size */
- struct t3_swsq *sq; /* SW SQ */
- struct t3_swsq *oldest_read; /* tracks oldest pending read */
- u32 sq_wptr; /* sq_wptr - sq_rptr == count of */
- u32 sq_rptr; /* pending wrs */
- u32 sq_size_log2; /* sq size */
- struct t3_swrq *rq; /* SW RQ (holds consumer wr_ids */
- u32 rq_wptr; /* rq_wptr - rq_rptr == count of */
- u32 rq_rptr; /* pending wrs */
- struct t3_swrq *rq_oldest_wr; /* oldest wr on the SW RQ */
- u32 rq_size_log2; /* rq size */
- u32 rq_addr; /* rq adapter address */
- void __iomem *doorbell; /* kernel db */
- u64 udb; /* user db if any */
- struct cxio_rdev *rdev;
-};
-
-struct t3_cq {
- u32 cqid;
- u32 rptr;
- u32 wptr;
- u32 size_log2;
- dma_addr_t dma_addr;
- DEFINE_DMA_UNMAP_ADDR(mapping);
- struct t3_cqe *queue;
- struct t3_cqe *sw_queue;
- u32 sw_rptr;
- u32 sw_wptr;
-};
-
-#define CQ_VLD_ENTRY(ptr,size_log2,cqe) (Q_GENBIT(ptr,size_log2) == \
- CQE_GENBIT(*cqe))
-
-struct t3_cq_status_page {
- u32 cq_err;
-};
-
-static inline int cxio_cq_in_error(struct t3_cq *cq)
-{
- return ((struct t3_cq_status_page *)
- &cq->queue[1 << cq->size_log2])->cq_err;
-}
-
-static inline void cxio_set_cq_in_error(struct t3_cq *cq)
-{
- ((struct t3_cq_status_page *)
- &cq->queue[1 << cq->size_log2])->cq_err = 1;
-}
-
-static inline void cxio_set_wq_in_error(struct t3_wq *wq)
-{
- wq->queue->wq_in_err.err |= 1;
-}
-
-static inline void cxio_disable_wq_db(struct t3_wq *wq)
-{
- wq->queue->wq_in_err.err |= 2;
-}
-
-static inline void cxio_enable_wq_db(struct t3_wq *wq)
-{
- wq->queue->wq_in_err.err &= ~2;
-}
-
-static inline int cxio_wq_db_enabled(struct t3_wq *wq)
-{
- return !(wq->queue->wq_in_err.err & 2);
-}
-
-static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq)
-{
- struct t3_cqe *cqe;
-
- cqe = cq->queue + (Q_PTR2IDX(cq->rptr, cq->size_log2));
- if (CQ_VLD_ENTRY(cq->rptr, cq->size_log2, cqe))
- return cqe;
- return NULL;
-}
-
-static inline struct t3_cqe *cxio_next_sw_cqe(struct t3_cq *cq)
-{
- struct t3_cqe *cqe;
-
- if (!Q_EMPTY(cq->sw_rptr, cq->sw_wptr)) {
- cqe = cq->sw_queue + (Q_PTR2IDX(cq->sw_rptr, cq->size_log2));
- return cqe;
- }
- return NULL;
-}
-
-static inline struct t3_cqe *cxio_next_cqe(struct t3_cq *cq)
-{
- struct t3_cqe *cqe;
-
- if (!Q_EMPTY(cq->sw_rptr, cq->sw_wptr)) {
- cqe = cq->sw_queue + (Q_PTR2IDX(cq->sw_rptr, cq->size_log2));
- return cqe;
- }
- cqe = cq->queue + (Q_PTR2IDX(cq->rptr, cq->size_log2));
- if (CQ_VLD_ENTRY(cq->rptr, cq->size_log2, cqe))
- return cqe;
- return NULL;
-}
-
-#endif
deleted file mode 100644
@@ -1,282 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-
-#include <rdma/ib_verbs.h>
-
-#include "cxgb3_offload.h"
-#include "iwch_provider.h"
-#include <rdma/cxgb3-abi.h>
-#include "iwch.h"
-#include "iwch_cm.h"
-
-#define DRV_VERSION "1.1"
-
-MODULE_AUTHOR("Boyd Faulkner, Steve Wise");
-MODULE_DESCRIPTION("Chelsio T3 RDMA Driver");
-MODULE_LICENSE("Dual BSD/GPL");
-
-static void open_rnic_dev(struct t3cdev *);
-static void close_rnic_dev(struct t3cdev *);
-static void iwch_event_handler(struct t3cdev *, u32, u32);
-
-struct cxgb3_client t3c_client = {
- .name = "iw_cxgb3",
- .add = open_rnic_dev,
- .remove = close_rnic_dev,
- .handlers = t3c_handlers,
- .redirect = iwch_ep_redirect,
- .event_handler = iwch_event_handler
-};
-
-static LIST_HEAD(dev_list);
-static DEFINE_MUTEX(dev_mutex);
-
-static void disable_dbs(struct iwch_dev *rnicp)
-{
- unsigned long index;
- struct iwch_qp *qhp;
-
- xa_lock_irq(&rnicp->qps);
- xa_for_each(&rnicp->qps, index, qhp)
- cxio_disable_wq_db(&qhp->wq);
- xa_unlock_irq(&rnicp->qps);
-}
-
-static void enable_dbs(struct iwch_dev *rnicp, int ring_db)
-{
- unsigned long index;
- struct iwch_qp *qhp;
-
- xa_lock_irq(&rnicp->qps);
- xa_for_each(&rnicp->qps, index, qhp) {
- if (ring_db)
- ring_doorbell(qhp->rhp->rdev.ctrl_qp.doorbell,
- qhp->wq.qpid);
- cxio_enable_wq_db(&qhp->wq);
- }
- xa_unlock_irq(&rnicp->qps);
-}
-
-static void iwch_db_drop_task(struct work_struct *work)
-{
- struct iwch_dev *rnicp = container_of(work, struct iwch_dev,
- db_drop_task.work);
- enable_dbs(rnicp, 1);
-}
-
-static void rnic_init(struct iwch_dev *rnicp)
-{
- pr_debug("%s iwch_dev %p\n", __func__, rnicp);
- xa_init_flags(&rnicp->cqs, XA_FLAGS_LOCK_IRQ);
- xa_init_flags(&rnicp->qps, XA_FLAGS_LOCK_IRQ);
- xa_init_flags(&rnicp->mrs, XA_FLAGS_LOCK_IRQ);
- INIT_DELAYED_WORK(&rnicp->db_drop_task, iwch_db_drop_task);
-
- rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;
- rnicp->attr.max_wrs = T3_MAX_QP_DEPTH;
- rnicp->attr.max_sge_per_wr = T3_MAX_SGE;
- rnicp->attr.max_sge_per_rdma_write_wr = T3_MAX_SGE;
- rnicp->attr.max_cqs = T3_MAX_NUM_CQ - 1;
- rnicp->attr.max_cqes_per_cq = T3_MAX_CQ_DEPTH;
- rnicp->attr.max_mem_regs = cxio_num_stags(&rnicp->rdev);
- rnicp->attr.max_phys_buf_entries = T3_MAX_PBL_SIZE;
- rnicp->attr.max_pds = T3_MAX_NUM_PD - 1;
- rnicp->attr.mem_pgsizes_bitmask = T3_PAGESIZE_MASK;
- rnicp->attr.max_mr_size = T3_MAX_MR_SIZE;
- rnicp->attr.can_resize_wq = 0;
- rnicp->attr.max_rdma_reads_per_qp = 8;
- rnicp->attr.max_rdma_read_resources =
- rnicp->attr.max_rdma_reads_per_qp * rnicp->attr.max_qps;
- rnicp->attr.max_rdma_read_qp_depth = 8; /* IRD */
- rnicp->attr.max_rdma_read_depth =
- rnicp->attr.max_rdma_read_qp_depth * rnicp->attr.max_qps;
- rnicp->attr.rq_overflow_handled = 0;
- rnicp->attr.can_modify_ird = 0;
- rnicp->attr.can_modify_ord = 0;
- rnicp->attr.max_mem_windows = rnicp->attr.max_mem_regs - 1;
- rnicp->attr.stag0_value = 1;
- rnicp->attr.zbva_support = 1;
- rnicp->attr.local_invalidate_fence = 1;
- rnicp->attr.cq_overflow_detection = 1;
- return;
-}
-
-static void open_rnic_dev(struct t3cdev *tdev)
-{
- struct iwch_dev *rnicp;
-
- pr_debug("%s t3cdev %p\n", __func__, tdev);
- pr_info_once("Chelsio T3 RDMA Driver - version %s\n", DRV_VERSION);
- rnicp = ib_alloc_device(iwch_dev, ibdev);
- if (!rnicp) {
- pr_err("Cannot allocate ib device\n");
- return;
- }
- rnicp->rdev.ulp = rnicp;
- rnicp->rdev.t3cdev_p = tdev;
-
- mutex_lock(&dev_mutex);
-
- if (cxio_rdev_open(&rnicp->rdev)) {
- mutex_unlock(&dev_mutex);
- pr_err("Unable to open CXIO rdev\n");
- ib_dealloc_device(&rnicp->ibdev);
- return;
- }
-
- rnic_init(rnicp);
-
- list_add_tail(&rnicp->entry, &dev_list);
- mutex_unlock(&dev_mutex);
-
- if (iwch_register_device(rnicp)) {
- pr_err("Unable to register device\n");
- close_rnic_dev(tdev);
- }
- pr_info("Initialized device %s\n",
- pci_name(rnicp->rdev.rnic_info.pdev));
- return;
-}
-
-static void close_rnic_dev(struct t3cdev *tdev)
-{
- struct iwch_dev *dev, *tmp;
- pr_debug("%s t3cdev %p\n", __func__, tdev);
- mutex_lock(&dev_mutex);
- list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
- if (dev->rdev.t3cdev_p == tdev) {
- dev->rdev.flags = CXIO_ERROR_FATAL;
- synchronize_net();
- cancel_delayed_work_sync(&dev->db_drop_task);
- list_del(&dev->entry);
- iwch_unregister_device(dev);
- cxio_rdev_close(&dev->rdev);
- WARN_ON(!xa_empty(&dev->cqs));
- WARN_ON(!xa_empty(&dev->qps));
- WARN_ON(!xa_empty(&dev->mrs));
- ib_dealloc_device(&dev->ibdev);
- break;
- }
- }
- mutex_unlock(&dev_mutex);
-}
-
-static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
-{
- struct cxio_rdev *rdev = tdev->ulp;
- struct iwch_dev *rnicp;
- struct ib_event event;
- u32 portnum = port_id + 1;
- int dispatch = 0;
-
- if (!rdev)
- return;
- rnicp = rdev_to_iwch_dev(rdev);
- switch (evt) {
- case OFFLOAD_STATUS_DOWN: {
- rdev->flags = CXIO_ERROR_FATAL;
- synchronize_net();
- event.event = IB_EVENT_DEVICE_FATAL;
- dispatch = 1;
- break;
- }
- case OFFLOAD_PORT_DOWN: {
- event.event = IB_EVENT_PORT_ERR;
- dispatch = 1;
- break;
- }
- case OFFLOAD_PORT_UP: {
- event.event = IB_EVENT_PORT_ACTIVE;
- dispatch = 1;
- break;
- }
- case OFFLOAD_DB_FULL: {
- disable_dbs(rnicp);
- break;
- }
- case OFFLOAD_DB_EMPTY: {
- enable_dbs(rnicp, 1);
- break;
- }
- case OFFLOAD_DB_DROP: {
- unsigned long delay = 1000;
- unsigned short r;
-
- disable_dbs(rnicp);
- get_random_bytes(&r, 2);
- delay += r & 1023;
-
- /*
- * delay is between 1000-2023 usecs.
- */
- schedule_delayed_work(&rnicp->db_drop_task,
- usecs_to_jiffies(delay));
- break;
- }
- }
-
- if (dispatch) {
- event.device = &rnicp->ibdev;
- event.element.port_num = portnum;
- ib_dispatch_event(&event);
- }
-
- return;
-}
-
-static int __init iwch_init_module(void)
-{
- int err;
-
- err = cxio_hal_init();
- if (err)
- return err;
- err = iwch_cm_init();
- if (err)
- return err;
- cxio_register_ev_cb(iwch_ev_dispatch);
- cxgb3_register_client(&t3c_client);
- return 0;
-}
-
-static void __exit iwch_exit_module(void)
-{
- cxgb3_unregister_client(&t3c_client);
- cxio_unregister_ev_cb(iwch_ev_dispatch);
- iwch_cm_term();
- cxio_hal_exit();
-}
-
-module_init(iwch_init_module);
-module_exit(iwch_exit_module);
deleted file mode 100644
@@ -1,155 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef __IWCH_H__
-#define __IWCH_H__
-
-#include <linux/mutex.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <linux/xarray.h>
-#include <linux/workqueue.h>
-
-#include <rdma/ib_verbs.h>
-
-#include "cxio_hal.h"
-#include "cxgb3_offload.h"
-
-struct iwch_pd;
-struct iwch_cq;
-struct iwch_qp;
-struct iwch_mr;
-
-struct iwch_rnic_attributes {
- u32 max_qps;
- u32 max_wrs; /* Max for any SQ/RQ */
- u32 max_sge_per_wr;
- u32 max_sge_per_rdma_write_wr; /* for RDMA Write WR */
- u32 max_cqs;
- u32 max_cqes_per_cq;
- u32 max_mem_regs;
- u32 max_phys_buf_entries; /* for phys buf list */
- u32 max_pds;
-
- /*
- * The memory page sizes supported by this RNIC.
- * Bit position i in bitmap indicates page of
- * size (4k)^i. Phys block list mode unsupported.
- */
- u32 mem_pgsizes_bitmask;
- u64 max_mr_size;
- u8 can_resize_wq;
-
- /*
- * The maximum number of RDMA Reads that can be outstanding
- * per QP with this RNIC as the target.
- */
- u32 max_rdma_reads_per_qp;
-
- /*
- * The maximum number of resources used for RDMA Reads
- * by this RNIC with this RNIC as the target.
- */
- u32 max_rdma_read_resources;
-
- /*
- * The max depth per QP for initiation of RDMA Read
- * by this RNIC.
- */
- u32 max_rdma_read_qp_depth;
-
- /*
- * The maximum depth for initiation of RDMA Read
- * operations by this RNIC on all QPs
- */
- u32 max_rdma_read_depth;
- u8 rq_overflow_handled;
- u32 can_modify_ird;
- u32 can_modify_ord;
- u32 max_mem_windows;
- u32 stag0_value;
- u8 zbva_support;
- u8 local_invalidate_fence;
- u32 cq_overflow_detection;
-};
-
-struct iwch_dev {
- struct ib_device ibdev;
- struct cxio_rdev rdev;
- u32 device_cap_flags;
- struct iwch_rnic_attributes attr;
- struct xarray cqs;
- struct xarray qps;
- struct xarray mrs;
- struct list_head entry;
- struct delayed_work db_drop_task;
-};
-
-static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev)
-{
- return container_of(ibdev, struct iwch_dev, ibdev);
-}
-
-static inline struct iwch_dev *rdev_to_iwch_dev(struct cxio_rdev *rdev)
-{
- return container_of(rdev, struct iwch_dev, rdev);
-}
-
-static inline int t3b_device(const struct iwch_dev *rhp)
-{
- return rhp->rdev.t3cdev_p->type == T3B;
-}
-
-static inline int t3a_device(const struct iwch_dev *rhp)
-{
- return rhp->rdev.t3cdev_p->type == T3A;
-}
-
-static inline struct iwch_cq *get_chp(struct iwch_dev *rhp, u32 cqid)
-{
- return xa_load(&rhp->cqs, cqid);
-}
-
-static inline struct iwch_qp *get_qhp(struct iwch_dev *rhp, u32 qpid)
-{
- return xa_load(&rhp->qps, qpid);
-}
-
-static inline struct iwch_mr *get_mhp(struct iwch_dev *rhp, u32 mmid)
-{
- return xa_load(&rhp->mrs, mmid);
-}
-
-extern struct cxgb3_client t3c_client;
-extern cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS];
-extern void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb);
-
-#endif
deleted file mode 100644
@@ -1,2258 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <linux/module.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/skbuff.h>
-#include <linux/timer.h>
-#include <linux/notifier.h>
-#include <linux/inetdevice.h>
-
-#include <net/neighbour.h>
-#include <net/netevent.h>
-#include <net/route.h>
-
-#include "tcb.h"
-#include "cxgb3_offload.h"
-#include "iwch.h"
-#include "iwch_provider.h"
-#include "iwch_cm.h"
-
-static char *states[] = {
- "idle",
- "listen",
- "connecting",
- "mpa_wait_req",
- "mpa_req_sent",
- "mpa_req_rcvd",
- "mpa_rep_sent",
- "fpdu_mode",
- "aborting",
- "closing",
- "moribund",
- "dead",
- NULL,
-};
-
-int peer2peer = 0;
-module_param(peer2peer, int, 0644);
-MODULE_PARM_DESC(peer2peer, "Support peer2peer ULPs (default=0)");
-
-static int ep_timeout_secs = 60;
-module_param(ep_timeout_secs, int, 0644);
-MODULE_PARM_DESC(ep_timeout_secs, "CM Endpoint operation timeout "
- "in seconds (default=60)");
-
-static int mpa_rev = 1;
-module_param(mpa_rev, int, 0644);
-MODULE_PARM_DESC(mpa_rev, "MPA Revision, 0 supports amso1100, "
- "1 is spec compliant. (default=1)");
-
-static int markers_enabled = 0;
-module_param(markers_enabled, int, 0644);
-MODULE_PARM_DESC(markers_enabled, "Enable MPA MARKERS (default(0)=disabled)");
-
-static int crc_enabled = 1;
-module_param(crc_enabled, int, 0644);
-MODULE_PARM_DESC(crc_enabled, "Enable MPA CRC (default(1)=enabled)");
-
-static int rcv_win = 256 * 1024;
-module_param(rcv_win, int, 0644);
-MODULE_PARM_DESC(rcv_win, "TCP receive window in bytes (default=256)");
-
-static int snd_win = 32 * 1024;
-module_param(snd_win, int, 0644);
-MODULE_PARM_DESC(snd_win, "TCP send window in bytes (default=32KB)");
-
-static unsigned int nocong = 0;
-module_param(nocong, uint, 0644);
-MODULE_PARM_DESC(nocong, "Turn off congestion control (default=0)");
-
-static unsigned int cong_flavor = 1;
-module_param(cong_flavor, uint, 0644);
-MODULE_PARM_DESC(cong_flavor, "TCP Congestion control flavor (default=1)");
-
-static struct workqueue_struct *workq;
-
-static struct sk_buff_head rxq;
-
-static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp);
-static void ep_timeout(struct timer_list *t);
-static void connect_reply_upcall(struct iwch_ep *ep, int status);
-
-static void start_ep_timer(struct iwch_ep *ep)
-{
- pr_debug("%s ep %p\n", __func__, ep);
- if (timer_pending(&ep->timer)) {
- pr_debug("%s stopped / restarted timer ep %p\n", __func__, ep);
- del_timer_sync(&ep->timer);
- } else
- get_ep(&ep->com);
- ep->timer.expires = jiffies + ep_timeout_secs * HZ;
- add_timer(&ep->timer);
-}
-
-static void stop_ep_timer(struct iwch_ep *ep)
-{
- pr_debug("%s ep %p\n", __func__, ep);
- if (!timer_pending(&ep->timer)) {
- WARN(1, "%s timer stopped when its not running! ep %p state %u\n",
- __func__, ep, ep->com.state);
- return;
- }
- del_timer_sync(&ep->timer);
- put_ep(&ep->com);
-}
-
-static int iwch_l2t_send(struct t3cdev *tdev, struct sk_buff *skb, struct l2t_entry *l2e)
-{
- int error = 0;
- struct cxio_rdev *rdev;
-
- rdev = (struct cxio_rdev *)tdev->ulp;
- if (cxio_fatal_error(rdev)) {
- kfree_skb(skb);
- return -EIO;
- }
- error = l2t_send(tdev, skb, l2e);
- if (error < 0)
- kfree_skb(skb);
- return error < 0 ? error : 0;
-}
-
-int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb)
-{
- int error = 0;
- struct cxio_rdev *rdev;
-
- rdev = (struct cxio_rdev *)tdev->ulp;
- if (cxio_fatal_error(rdev)) {
- kfree_skb(skb);
- return -EIO;
- }
- error = cxgb3_ofld_send(tdev, skb);
- if (error < 0)
- kfree_skb(skb);
- return error < 0 ? error : 0;
-}
-
-static void release_tid(struct t3cdev *tdev, u32 hwtid, struct sk_buff *skb)
-{
- struct cpl_tid_release *req;
-
- skb = get_skb(skb, sizeof(*req), GFP_KERNEL);
- if (!skb)
- return;
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_TID_RELEASE, hwtid));
- skb->priority = CPL_PRIORITY_SETUP;
- iwch_cxgb3_ofld_send(tdev, skb);
- return;
-}
-
-int iwch_quiesce_tid(struct iwch_ep *ep)
-{
- struct cpl_set_tcb_field *req;
- struct sk_buff *skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
-
- if (!skb)
- return -ENOMEM;
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- req->wr.wr_lo = htonl(V_WR_TID(ep->hwtid));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, ep->hwtid));
- req->reply = 0;
- req->cpu_idx = 0;
- req->word = htons(W_TCB_RX_QUIESCE);
- req->mask = cpu_to_be64(1ULL << S_TCB_RX_QUIESCE);
- req->val = cpu_to_be64(1 << S_TCB_RX_QUIESCE);
-
- skb->priority = CPL_PRIORITY_DATA;
- return iwch_cxgb3_ofld_send(ep->com.tdev, skb);
-}
-
-int iwch_resume_tid(struct iwch_ep *ep)
-{
- struct cpl_set_tcb_field *req;
- struct sk_buff *skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
-
- if (!skb)
- return -ENOMEM;
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- req->wr.wr_lo = htonl(V_WR_TID(ep->hwtid));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, ep->hwtid));
- req->reply = 0;
- req->cpu_idx = 0;
- req->word = htons(W_TCB_RX_QUIESCE);
- req->mask = cpu_to_be64(1ULL << S_TCB_RX_QUIESCE);
- req->val = 0;
-
- skb->priority = CPL_PRIORITY_DATA;
- return iwch_cxgb3_ofld_send(ep->com.tdev, skb);
-}
-
-static void set_emss(struct iwch_ep *ep, u16 opt)
-{
- pr_debug("%s ep %p opt %u\n", __func__, ep, opt);
- ep->emss = T3C_DATA(ep->com.tdev)->mtus[G_TCPOPT_MSS(opt)] - 40;
- if (G_TCPOPT_TSTAMP(opt))
- ep->emss -= 12;
- if (ep->emss < 128)
- ep->emss = 128;
- pr_debug("emss=%d\n", ep->emss);
-}
-
-static enum iwch_ep_state state_read(struct iwch_ep_common *epc)
-{
- unsigned long flags;
- enum iwch_ep_state state;
-
- spin_lock_irqsave(&epc->lock, flags);
- state = epc->state;
- spin_unlock_irqrestore(&epc->lock, flags);
- return state;
-}
-
-static void __state_set(struct iwch_ep_common *epc, enum iwch_ep_state new)
-{
- epc->state = new;
-}
-
-static void state_set(struct iwch_ep_common *epc, enum iwch_ep_state new)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&epc->lock, flags);
- pr_debug("%s - %s -> %s\n", __func__, states[epc->state], states[new]);
- __state_set(epc, new);
- spin_unlock_irqrestore(&epc->lock, flags);
- return;
-}
-
-static void *alloc_ep(int size, gfp_t gfp)
-{
- struct iwch_ep_common *epc;
-
- epc = kzalloc(size, gfp);
- if (epc) {
- kref_init(&epc->kref);
- spin_lock_init(&epc->lock);
- init_waitqueue_head(&epc->waitq);
- }
- pr_debug("%s alloc ep %p\n", __func__, epc);
- return epc;
-}
-
-void __free_ep(struct kref *kref)
-{
- struct iwch_ep *ep;
- ep = container_of(container_of(kref, struct iwch_ep_common, kref),
- struct iwch_ep, com);
- pr_debug("%s ep %p state %s\n",
- __func__, ep, states[state_read(&ep->com)]);
- if (test_bit(RELEASE_RESOURCES, &ep->com.flags)) {
- cxgb3_remove_tid(ep->com.tdev, (void *)ep, ep->hwtid);
- dst_release(ep->dst);
- l2t_release(ep->com.tdev, ep->l2t);
- }
- kfree(ep);
-}
-
-static void release_ep_resources(struct iwch_ep *ep)
-{
- pr_debug("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
- set_bit(RELEASE_RESOURCES, &ep->com.flags);
- put_ep(&ep->com);
-}
-
-static int status2errno(int status)
-{
- switch (status) {
- case CPL_ERR_NONE:
- return 0;
- case CPL_ERR_CONN_RESET:
- return -ECONNRESET;
- case CPL_ERR_ARP_MISS:
- return -EHOSTUNREACH;
- case CPL_ERR_CONN_TIMEDOUT:
- return -ETIMEDOUT;
- case CPL_ERR_TCAM_FULL:
- return -ENOMEM;
- case CPL_ERR_CONN_EXIST:
- return -EADDRINUSE;
- default:
- return -EIO;
- }
-}
-
-/*
- * Try and reuse skbs already allocated...
- */
-static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp)
-{
- if (skb && !skb_is_nonlinear(skb) && !skb_cloned(skb)) {
- skb_trim(skb, 0);
- skb_get(skb);
- } else {
- skb = alloc_skb(len, gfp);
- }
- return skb;
-}
-
-static struct rtable *find_route(struct t3cdev *dev, __be32 local_ip,
- __be32 peer_ip, __be16 local_port,
- __be16 peer_port, u8 tos)
-{
- struct rtable *rt;
- struct flowi4 fl4;
-
- rt = ip_route_output_ports(&init_net, &fl4, NULL, peer_ip, local_ip,
- peer_port, local_port, IPPROTO_TCP,
- tos, 0);
- if (IS_ERR(rt))
- return NULL;
- return rt;
-}
-
-static unsigned int find_best_mtu(const struct t3c_data *d, unsigned short mtu)
-{
- int i = 0;
-
- while (i < d->nmtus - 1 && d->mtus[i + 1] <= mtu)
- ++i;
- return i;
-}
-
-static void arp_failure_discard(struct t3cdev *dev, struct sk_buff *skb)
-{
- pr_debug("%s t3cdev %p\n", __func__, dev);
- kfree_skb(skb);
-}
-
-/*
- * Handle an ARP failure for an active open.
- */
-static void act_open_req_arp_failure(struct t3cdev *dev, struct sk_buff *skb)
-{
- pr_err("ARP failure during connect\n");
- kfree_skb(skb);
-}
-
-/*
- * Handle an ARP failure for a CPL_ABORT_REQ. Change it into a no RST variant
- * and send it along.
- */
-static void abort_arp_failure(struct t3cdev *dev, struct sk_buff *skb)
-{
- struct cpl_abort_req *req = cplhdr(skb);
-
- pr_debug("%s t3cdev %p\n", __func__, dev);
- req->cmd = CPL_ABORT_NO_RST;
- iwch_cxgb3_ofld_send(dev, skb);
-}
-
-static int send_halfclose(struct iwch_ep *ep, gfp_t gfp)
-{
- struct cpl_close_con_req *req;
- struct sk_buff *skb;
-
- pr_debug("%s ep %p\n", __func__, ep);
- skb = get_skb(NULL, sizeof(*req), gfp);
- if (!skb) {
- pr_err("%s - failed to alloc skb\n", __func__);
- return -ENOMEM;
- }
- skb->priority = CPL_PRIORITY_DATA;
- set_arp_failure_handler(skb, arp_failure_discard);
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_CLOSE_CON));
- req->wr.wr_lo = htonl(V_WR_TID(ep->hwtid));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_CLOSE_CON_REQ, ep->hwtid));
- return iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
-}
-
-static int send_abort(struct iwch_ep *ep, struct sk_buff *skb, gfp_t gfp)
-{
- struct cpl_abort_req *req;
-
- pr_debug("%s ep %p\n", __func__, ep);
- skb = get_skb(skb, sizeof(*req), gfp);
- if (!skb) {
- pr_err("%s - failed to alloc skb\n", __func__);
- return -ENOMEM;
- }
- skb->priority = CPL_PRIORITY_DATA;
- set_arp_failure_handler(skb, abort_arp_failure);
- req = skb_put_zero(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_HOST_ABORT_CON_REQ));
- req->wr.wr_lo = htonl(V_WR_TID(ep->hwtid));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_ABORT_REQ, ep->hwtid));
- req->cmd = CPL_ABORT_SEND_RST;
- return iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
-}
-
-static int send_connect(struct iwch_ep *ep)
-{
- struct cpl_act_open_req *req;
- struct sk_buff *skb;
- u32 opt0h, opt0l, opt2;
- unsigned int mtu_idx;
- int wscale;
-
- pr_debug("%s ep %p\n", __func__, ep);
-
- skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
- if (!skb) {
- pr_err("%s - failed to alloc skb\n", __func__);
- return -ENOMEM;
- }
- mtu_idx = find_best_mtu(T3C_DATA(ep->com.tdev), dst_mtu(ep->dst));
- wscale = compute_wscale(rcv_win);
- opt0h = V_NAGLE(0) |
- V_NO_CONG(nocong) |
- V_KEEP_ALIVE(1) |
- F_TCAM_BYPASS |
- V_WND_SCALE(wscale) |
- V_MSS_IDX(mtu_idx) |
- V_L2T_IDX(ep->l2t->idx) | V_TX_CHANNEL(ep->l2t->smt_idx);
- opt0l = V_TOS((ep->tos >> 2) & M_TOS) | V_RCV_BUFSIZ(rcv_win>>10);
- opt2 = F_RX_COALESCE_VALID | V_RX_COALESCE(0) | V_FLAVORS_VALID(1) |
- V_CONG_CONTROL_FLAVOR(cong_flavor);
- skb->priority = CPL_PRIORITY_SETUP;
- set_arp_failure_handler(skb, act_open_req_arp_failure);
-
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_ACT_OPEN_REQ, ep->atid));
- req->local_port = ep->com.local_addr.sin_port;
- req->peer_port = ep->com.remote_addr.sin_port;
- req->local_ip = ep->com.local_addr.sin_addr.s_addr;
- req->peer_ip = ep->com.remote_addr.sin_addr.s_addr;
- req->opt0h = htonl(opt0h);
- req->opt0l = htonl(opt0l);
- req->params = 0;
- req->opt2 = htonl(opt2);
- return iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
-}
-
-static void send_mpa_req(struct iwch_ep *ep, struct sk_buff *skb)
-{
- int mpalen;
- struct tx_data_wr *req;
- struct mpa_message *mpa;
- int len;
-
- pr_debug("%s ep %p pd_len %d\n", __func__, ep, ep->plen);
-
- BUG_ON(skb_cloned(skb));
-
- mpalen = sizeof(*mpa) + ep->plen;
- if (skb->data + mpalen + sizeof(*req) > skb_end_pointer(skb)) {
- kfree_skb(skb);
- skb=alloc_skb(mpalen + sizeof(*req), GFP_KERNEL);
- if (!skb) {
- connect_reply_upcall(ep, -ENOMEM);
- return;
- }
- }
- skb_trim(skb, 0);
- skb_reserve(skb, sizeof(*req));
- skb_put(skb, mpalen);
- skb->priority = CPL_PRIORITY_DATA;
- mpa = (struct mpa_message *) skb->data;
- memset(mpa, 0, sizeof(*mpa));
- memcpy(mpa->key, MPA_KEY_REQ, sizeof(mpa->key));
- mpa->flags = (crc_enabled ? MPA_CRC : 0) |
- (markers_enabled ? MPA_MARKERS : 0);
- mpa->private_data_size = htons(ep->plen);
- mpa->revision = mpa_rev;
-
- if (ep->plen)
- memcpy(mpa->private_data, ep->mpa_pkt + sizeof(*mpa), ep->plen);
-
- /*
- * Reference the mpa skb. This ensures the data area
- * will remain in memory until the hw acks the tx.
- * Function tx_ack() will deref it.
- */
- skb_get(skb);
- set_arp_failure_handler(skb, arp_failure_discard);
- skb_reset_transport_header(skb);
- len = skb->len;
- req = skb_push(skb, sizeof(*req));
- req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_TX_DATA)|F_WR_COMPL);
- req->wr_lo = htonl(V_WR_TID(ep->hwtid));
- req->len = htonl(len);
- req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
- V_TX_SNDBUF(snd_win>>15));
- req->flags = htonl(F_TX_INIT);
- req->sndseq = htonl(ep->snd_seq);
- BUG_ON(ep->mpa_skb);
- ep->mpa_skb = skb;
- iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
- start_ep_timer(ep);
- state_set(&ep->com, MPA_REQ_SENT);
- return;
-}
-
-static int send_mpa_reject(struct iwch_ep *ep, const void *pdata, u8 plen)
-{
- int mpalen;
- struct tx_data_wr *req;
- struct mpa_message *mpa;
- struct sk_buff *skb;
-
- pr_debug("%s ep %p plen %d\n", __func__, ep, plen);
-
- mpalen = sizeof(*mpa) + plen;
-
- skb = get_skb(NULL, mpalen + sizeof(*req), GFP_KERNEL);
- if (!skb) {
- pr_err("%s - cannot alloc skb!\n", __func__);
- return -ENOMEM;
- }
- skb_reserve(skb, sizeof(*req));
- mpa = skb_put(skb, mpalen);
- memset(mpa, 0, sizeof(*mpa));
- memcpy(mpa->key, MPA_KEY_REP, sizeof(mpa->key));
- mpa->flags = MPA_REJECT;
- mpa->revision = mpa_rev;
- mpa->private_data_size = htons(plen);
- if (plen)
- memcpy(mpa->private_data, pdata, plen);
-
- /*
- * Reference the mpa skb again. This ensures the data area
- * will remain in memory until the hw acks the tx.
- * Function tx_ack() will deref it.
- */
- skb_get(skb);
- skb->priority = CPL_PRIORITY_DATA;
- set_arp_failure_handler(skb, arp_failure_discard);
- skb_reset_transport_header(skb);
- req = skb_push(skb, sizeof(*req));
- req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_TX_DATA)|F_WR_COMPL);
- req->wr_lo = htonl(V_WR_TID(ep->hwtid));
- req->len = htonl(mpalen);
- req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
- V_TX_SNDBUF(snd_win>>15));
- req->flags = htonl(F_TX_INIT);
- req->sndseq = htonl(ep->snd_seq);
- BUG_ON(ep->mpa_skb);
- ep->mpa_skb = skb;
- return iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
-}
-
-static int send_mpa_reply(struct iwch_ep *ep, const void *pdata, u8 plen)
-{
- int mpalen;
- struct tx_data_wr *req;
- struct mpa_message *mpa;
- int len;
- struct sk_buff *skb;
-
- pr_debug("%s ep %p plen %d\n", __func__, ep, plen);
-
- mpalen = sizeof(*mpa) + plen;
-
- skb = get_skb(NULL, mpalen + sizeof(*req), GFP_KERNEL);
- if (!skb) {
- pr_err("%s - cannot alloc skb!\n", __func__);
- return -ENOMEM;
- }
- skb->priority = CPL_PRIORITY_DATA;
- skb_reserve(skb, sizeof(*req));
- mpa = skb_put(skb, mpalen);
- memset(mpa, 0, sizeof(*mpa));
- memcpy(mpa->key, MPA_KEY_REP, sizeof(mpa->key));
- mpa->flags = (ep->mpa_attr.crc_enabled ? MPA_CRC : 0) |
- (markers_enabled ? MPA_MARKERS : 0);
- mpa->revision = mpa_rev;
- mpa->private_data_size = htons(plen);
- if (plen)
- memcpy(mpa->private_data, pdata, plen);
-
- /*
- * Reference the mpa skb. This ensures the data area
- * will remain in memory until the hw acks the tx.
- * Function tx_ack() will deref it.
- */
- skb_get(skb);
- set_arp_failure_handler(skb, arp_failure_discard);
- skb_reset_transport_header(skb);
- len = skb->len;
- req = skb_push(skb, sizeof(*req));
- req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_TX_DATA)|F_WR_COMPL);
- req->wr_lo = htonl(V_WR_TID(ep->hwtid));
- req->len = htonl(len);
- req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
- V_TX_SNDBUF(snd_win>>15));
- req->flags = htonl(F_TX_INIT);
- req->sndseq = htonl(ep->snd_seq);
- ep->mpa_skb = skb;
- state_set(&ep->com, MPA_REP_SENT);
- return iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
-}
-
-static int act_establish(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct cpl_act_establish *req = cplhdr(skb);
- unsigned int tid = GET_TID(req);
-
- pr_debug("%s ep %p tid %d\n", __func__, ep, tid);
-
- dst_confirm(ep->dst);
-
- /* setup the hwtid for this connection */
- ep->hwtid = tid;
- cxgb3_insert_tid(ep->com.tdev, &t3c_client, ep, tid);
-
- ep->snd_seq = ntohl(req->snd_isn);
- ep->rcv_seq = ntohl(req->rcv_isn);
-
- set_emss(ep, ntohs(req->tcp_opt));
-
- /* dealloc the atid */
- cxgb3_free_atid(ep->com.tdev, ep->atid);
-
- /* start MPA negotiation */
- send_mpa_req(ep, skb);
-
- return 0;
-}
-
-static void abort_connection(struct iwch_ep *ep, struct sk_buff *skb, gfp_t gfp)
-{
- pr_debug("%s ep %p\n", __FILE__, ep);
- state_set(&ep->com, ABORTING);
- send_abort(ep, skb, gfp);
-}
-
-static void close_complete_upcall(struct iwch_ep *ep)
-{
- struct iw_cm_event event;
-
- pr_debug("%s ep %p\n", __func__, ep);
- memset(&event, 0, sizeof(event));
- event.event = IW_CM_EVENT_CLOSE;
- if (ep->com.cm_id) {
- pr_debug("close complete delivered ep %p cm_id %p tid %d\n",
- ep, ep->com.cm_id, ep->hwtid);
- ep->com.cm_id->event_handler(ep->com.cm_id, &event);
- ep->com.cm_id->rem_ref(ep->com.cm_id);
- ep->com.cm_id = NULL;
- ep->com.qp = NULL;
- }
-}
-
-static void peer_close_upcall(struct iwch_ep *ep)
-{
- struct iw_cm_event event;
-
- pr_debug("%s ep %p\n", __func__, ep);
- memset(&event, 0, sizeof(event));
- event.event = IW_CM_EVENT_DISCONNECT;
- if (ep->com.cm_id) {
- pr_debug("peer close delivered ep %p cm_id %p tid %d\n",
- ep, ep->com.cm_id, ep->hwtid);
- ep->com.cm_id->event_handler(ep->com.cm_id, &event);
- }
-}
-
-static void peer_abort_upcall(struct iwch_ep *ep)
-{
- struct iw_cm_event event;
-
- pr_debug("%s ep %p\n", __func__, ep);
- memset(&event, 0, sizeof(event));
- event.event = IW_CM_EVENT_CLOSE;
- event.status = -ECONNRESET;
- if (ep->com.cm_id) {
- pr_debug("abort delivered ep %p cm_id %p tid %d\n", ep,
- ep->com.cm_id, ep->hwtid);
- ep->com.cm_id->event_handler(ep->com.cm_id, &event);
- ep->com.cm_id->rem_ref(ep->com.cm_id);
- ep->com.cm_id = NULL;
- ep->com.qp = NULL;
- }
-}
-
-static void connect_reply_upcall(struct iwch_ep *ep, int status)
-{
- struct iw_cm_event event;
-
- pr_debug("%s ep %p status %d\n", __func__, ep, status);
- memset(&event, 0, sizeof(event));
- event.event = IW_CM_EVENT_CONNECT_REPLY;
- event.status = status;
- memcpy(&event.local_addr, &ep->com.local_addr,
- sizeof(ep->com.local_addr));
- memcpy(&event.remote_addr, &ep->com.remote_addr,
- sizeof(ep->com.remote_addr));
-
- if ((status == 0) || (status == -ECONNREFUSED)) {
- event.private_data_len = ep->plen;
- event.private_data = ep->mpa_pkt + sizeof(struct mpa_message);
- }
- if (ep->com.cm_id) {
- pr_debug("%s ep %p tid %d status %d\n", __func__, ep,
- ep->hwtid, status);
- ep->com.cm_id->event_handler(ep->com.cm_id, &event);
- }
- if (status < 0) {
- ep->com.cm_id->rem_ref(ep->com.cm_id);
- ep->com.cm_id = NULL;
- ep->com.qp = NULL;
- }
-}
-
-static void connect_request_upcall(struct iwch_ep *ep)
-{
- struct iw_cm_event event;
-
- pr_debug("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
- memset(&event, 0, sizeof(event));
- event.event = IW_CM_EVENT_CONNECT_REQUEST;
- memcpy(&event.local_addr, &ep->com.local_addr,
- sizeof(ep->com.local_addr));
- memcpy(&event.remote_addr, &ep->com.remote_addr,
- sizeof(ep->com.local_addr));
- event.private_data_len = ep->plen;
- event.private_data = ep->mpa_pkt + sizeof(struct mpa_message);
- event.provider_data = ep;
- /*
- * Until ird/ord negotiation via MPAv2 support is added, send max
- * supported values
- */
- event.ird = event.ord = 8;
- if (state_read(&ep->parent_ep->com) != DEAD) {
- get_ep(&ep->com);
- ep->parent_ep->com.cm_id->event_handler(
- ep->parent_ep->com.cm_id,
- &event);
- }
- put_ep(&ep->parent_ep->com);
- ep->parent_ep = NULL;
-}
-
-static void established_upcall(struct iwch_ep *ep)
-{
- struct iw_cm_event event;
-
- pr_debug("%s ep %p\n", __func__, ep);
- memset(&event, 0, sizeof(event));
- event.event = IW_CM_EVENT_ESTABLISHED;
- /*
- * Until ird/ord negotiation via MPAv2 support is added, send max
- * supported values
- */
- event.ird = event.ord = 8;
- if (ep->com.cm_id) {
- pr_debug("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
- ep->com.cm_id->event_handler(ep->com.cm_id, &event);
- }
-}
-
-static int update_rx_credits(struct iwch_ep *ep, u32 credits)
-{
- struct cpl_rx_data_ack *req;
- struct sk_buff *skb;
-
- pr_debug("%s ep %p credits %u\n", __func__, ep, credits);
- skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
- if (!skb) {
- pr_err("update_rx_credits - cannot alloc skb!\n");
- return 0;
- }
-
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_RX_DATA_ACK, ep->hwtid));
- req->credit_dack = htonl(V_RX_CREDITS(credits) | V_RX_FORCE_ACK(1));
- skb->priority = CPL_PRIORITY_ACK;
- iwch_cxgb3_ofld_send(ep->com.tdev, skb);
- return credits;
-}
-
-static void process_mpa_reply(struct iwch_ep *ep, struct sk_buff *skb)
-{
- struct mpa_message *mpa;
- u16 plen;
- struct iwch_qp_attributes attrs;
- enum iwch_qp_attr_mask mask;
- int err;
-
- pr_debug("%s ep %p\n", __func__, ep);
-
- /*
- * Stop mpa timer. If it expired, then the state has
- * changed and we bail since ep_timeout already aborted
- * the connection.
- */
- stop_ep_timer(ep);
- if (state_read(&ep->com) != MPA_REQ_SENT)
- return;
-
- /*
- * If we get more than the supported amount of private data
- * then we must fail this connection.
- */
- if (ep->mpa_pkt_len + skb->len > sizeof(ep->mpa_pkt)) {
- err = -EINVAL;
- goto err;
- }
-
- /*
- * copy the new data into our accumulation buffer.
- */
- skb_copy_from_linear_data(skb, &(ep->mpa_pkt[ep->mpa_pkt_len]),
- skb->len);
- ep->mpa_pkt_len += skb->len;
-
- /*
- * if we don't even have the mpa message, then bail.
- */
- if (ep->mpa_pkt_len < sizeof(*mpa))
- return;
- mpa = (struct mpa_message *) ep->mpa_pkt;
-
- /* Validate MPA header. */
- if (mpa->revision != mpa_rev) {
- err = -EPROTO;
- goto err;
- }
- if (memcmp(mpa->key, MPA_KEY_REP, sizeof(mpa->key))) {
- err = -EPROTO;
- goto err;
- }
-
- plen = ntohs(mpa->private_data_size);
-
- /*
- * Fail if there's too much private data.
- */
- if (plen > MPA_MAX_PRIVATE_DATA) {
- err = -EPROTO;
- goto err;
- }
-
- /*
- * If plen does not account for pkt size
- */
- if (ep->mpa_pkt_len > (sizeof(*mpa) + plen)) {
- err = -EPROTO;
- goto err;
- }
-
- ep->plen = (u8) plen;
-
- /*
- * If we don't have all the pdata yet, then bail.
- * We'll continue process when more data arrives.
- */
- if (ep->mpa_pkt_len < (sizeof(*mpa) + plen))
- return;
-
- if (mpa->flags & MPA_REJECT) {
- err = -ECONNREFUSED;
- goto err;
- }
-
- /*
- * If we get here we have accumulated the entire mpa
- * start reply message including private data. And
- * the MPA header is valid.
- */
- state_set(&ep->com, FPDU_MODE);
- ep->mpa_attr.initiator = 1;
- ep->mpa_attr.crc_enabled = (mpa->flags & MPA_CRC) | crc_enabled ? 1 : 0;
- ep->mpa_attr.recv_marker_enabled = markers_enabled;
- ep->mpa_attr.xmit_marker_enabled = mpa->flags & MPA_MARKERS ? 1 : 0;
- ep->mpa_attr.version = mpa_rev;
- pr_debug("%s - crc_enabled=%d, recv_marker_enabled=%d, xmit_marker_enabled=%d, version=%d\n",
- __func__,
- ep->mpa_attr.crc_enabled, ep->mpa_attr.recv_marker_enabled,
- ep->mpa_attr.xmit_marker_enabled, ep->mpa_attr.version);
-
- attrs.mpa_attr = ep->mpa_attr;
- attrs.max_ird = ep->ird;
- attrs.max_ord = ep->ord;
- attrs.llp_stream_handle = ep;
- attrs.next_state = IWCH_QP_STATE_RTS;
-
- mask = IWCH_QP_ATTR_NEXT_STATE |
- IWCH_QP_ATTR_LLP_STREAM_HANDLE | IWCH_QP_ATTR_MPA_ATTR |
- IWCH_QP_ATTR_MAX_IRD | IWCH_QP_ATTR_MAX_ORD;
-
- /* bind QP and TID with INIT_WR */
- err = iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp, mask, &attrs, 1);
- if (err)
- goto err;
-
- if (peer2peer && iwch_rqes_posted(ep->com.qp) == 0) {
- iwch_post_zb_read(ep);
- }
-
- goto out;
-err:
- abort_connection(ep, skb, GFP_KERNEL);
-out:
- connect_reply_upcall(ep, err);
- return;
-}
-
-static void process_mpa_request(struct iwch_ep *ep, struct sk_buff *skb)
-{
- struct mpa_message *mpa;
- u16 plen;
-
- pr_debug("%s ep %p\n", __func__, ep);
-
- /*
- * Stop mpa timer. If it expired, then the state has
- * changed and we bail since ep_timeout already aborted
- * the connection.
- */
- stop_ep_timer(ep);
- if (state_read(&ep->com) != MPA_REQ_WAIT)
- return;
-
- /*
- * If we get more than the supported amount of private data
- * then we must fail this connection.
- */
- if (ep->mpa_pkt_len + skb->len > sizeof(ep->mpa_pkt)) {
- abort_connection(ep, skb, GFP_KERNEL);
- return;
- }
-
- pr_debug("%s enter (%s line %u)\n", __func__, __FILE__, __LINE__);
-
- /*
- * Copy the new data into our accumulation buffer.
- */
- skb_copy_from_linear_data(skb, &(ep->mpa_pkt[ep->mpa_pkt_len]),
- skb->len);
- ep->mpa_pkt_len += skb->len;
-
- /*
- * If we don't even have the mpa message, then bail.
- * We'll continue process when more data arrives.
- */
- if (ep->mpa_pkt_len < sizeof(*mpa))
- return;
- pr_debug("%s enter (%s line %u)\n", __func__, __FILE__, __LINE__);
- mpa = (struct mpa_message *) ep->mpa_pkt;
-
- /*
- * Validate MPA Header.
- */
- if (mpa->revision != mpa_rev) {
- abort_connection(ep, skb, GFP_KERNEL);
- return;
- }
-
- if (memcmp(mpa->key, MPA_KEY_REQ, sizeof(mpa->key))) {
- abort_connection(ep, skb, GFP_KERNEL);
- return;
- }
-
- plen = ntohs(mpa->private_data_size);
-
- /*
- * Fail if there's too much private data.
- */
- if (plen > MPA_MAX_PRIVATE_DATA) {
- abort_connection(ep, skb, GFP_KERNEL);
- return;
- }
-
- /*
- * If plen does not account for pkt size
- */
- if (ep->mpa_pkt_len > (sizeof(*mpa) + plen)) {
- abort_connection(ep, skb, GFP_KERNEL);
- return;
- }
- ep->plen = (u8) plen;
-
- /*
- * If we don't have all the pdata yet, then bail.
- */
- if (ep->mpa_pkt_len < (sizeof(*mpa) + plen))
- return;
-
- /*
- * If we get here we have accumulated the entire mpa
- * start reply message including private data.
- */
- ep->mpa_attr.initiator = 0;
- ep->mpa_attr.crc_enabled = (mpa->flags & MPA_CRC) | crc_enabled ? 1 : 0;
- ep->mpa_attr.recv_marker_enabled = markers_enabled;
- ep->mpa_attr.xmit_marker_enabled = mpa->flags & MPA_MARKERS ? 1 : 0;
- ep->mpa_attr.version = mpa_rev;
- pr_debug("%s - crc_enabled=%d, recv_marker_enabled=%d, xmit_marker_enabled=%d, version=%d\n",
- __func__,
- ep->mpa_attr.crc_enabled, ep->mpa_attr.recv_marker_enabled,
- ep->mpa_attr.xmit_marker_enabled, ep->mpa_attr.version);
-
- state_set(&ep->com, MPA_REQ_RCVD);
-
- /* drive upcall */
- connect_request_upcall(ep);
- return;
-}
-
-static int rx_data(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct cpl_rx_data *hdr = cplhdr(skb);
- unsigned int dlen = ntohs(hdr->len);
-
- pr_debug("%s ep %p dlen %u\n", __func__, ep, dlen);
-
- skb_pull(skb, sizeof(*hdr));
- skb_trim(skb, dlen);
-
- ep->rcv_seq += dlen;
- BUG_ON(ep->rcv_seq != (ntohl(hdr->seq) + dlen));
-
- switch (state_read(&ep->com)) {
- case MPA_REQ_SENT:
- process_mpa_reply(ep, skb);
- break;
- case MPA_REQ_WAIT:
- process_mpa_request(ep, skb);
- break;
- case MPA_REP_SENT:
- break;
- default:
- pr_err("%s Unexpected streaming data. ep %p state %d tid %d\n",
- __func__, ep, state_read(&ep->com), ep->hwtid);
-
- /*
- * The ep will timeout and inform the ULP of the failure.
- * See ep_timeout().
- */
- break;
- }
-
- /* update RX credits */
- update_rx_credits(ep, dlen);
-
- return CPL_RET_BUF_DONE;
-}
-
-/*
- * Upcall from the adapter indicating data has been transmitted.
- * For us its just the single MPA request or reply. We can now free
- * the skb holding the mpa message.
- */
-static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct cpl_wr_ack *hdr = cplhdr(skb);
- unsigned int credits = ntohs(hdr->credits);
- unsigned long flags;
- int post_zb = 0;
-
- pr_debug("%s ep %p credits %u\n", __func__, ep, credits);
-
- if (credits == 0) {
- pr_debug("%s 0 credit ack ep %p state %u\n",
- __func__, ep, state_read(&ep->com));
- return CPL_RET_BUF_DONE;
- }
-
- spin_lock_irqsave(&ep->com.lock, flags);
- BUG_ON(credits != 1);
- dst_confirm(ep->dst);
- if (!ep->mpa_skb) {
- pr_debug("%s rdma_init wr_ack ep %p state %u\n",
- __func__, ep, ep->com.state);
- if (ep->mpa_attr.initiator) {
- pr_debug("%s initiator ep %p state %u\n",
- __func__, ep, ep->com.state);
- if (peer2peer && ep->com.state == FPDU_MODE)
- post_zb = 1;
- } else {
- pr_debug("%s responder ep %p state %u\n",
- __func__, ep, ep->com.state);
- if (ep->com.state == MPA_REQ_RCVD) {
- ep->com.rpl_done = 1;
- wake_up(&ep->com.waitq);
- }
- }
- } else {
- pr_debug("%s lsm ack ep %p state %u freeing skb\n",
- __func__, ep, ep->com.state);
- kfree_skb(ep->mpa_skb);
- ep->mpa_skb = NULL;
- }
- spin_unlock_irqrestore(&ep->com.lock, flags);
- if (post_zb)
- iwch_post_zb_read(ep);
- return CPL_RET_BUF_DONE;
-}
-
-static int abort_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- unsigned long flags;
- int release = 0;
-
- pr_debug("%s ep %p\n", __func__, ep);
- BUG_ON(!ep);
-
- /*
- * We get 2 abort replies from the HW. The first one must
- * be ignored except for scribbling that we need one more.
- */
- if (!test_and_set_bit(ABORT_REQ_IN_PROGRESS, &ep->com.flags)) {
- return CPL_RET_BUF_DONE;
- }
-
- spin_lock_irqsave(&ep->com.lock, flags);
- switch (ep->com.state) {
- case ABORTING:
- close_complete_upcall(ep);
- __state_set(&ep->com, DEAD);
- release = 1;
- break;
- default:
- pr_err("%s ep %p state %d\n", __func__, ep, ep->com.state);
- break;
- }
- spin_unlock_irqrestore(&ep->com.lock, flags);
-
- if (release)
- release_ep_resources(ep);
- return CPL_RET_BUF_DONE;
-}
-
-/*
- * Return whether a failed active open has allocated a TID
- */
-static inline int act_open_has_tid(int status)
-{
- return status != CPL_ERR_TCAM_FULL && status != CPL_ERR_CONN_EXIST &&
- status != CPL_ERR_ARP_MISS;
-}
-
-static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct cpl_act_open_rpl *rpl = cplhdr(skb);
-
- pr_debug("%s ep %p status %u errno %d\n", __func__, ep, rpl->status,
- status2errno(rpl->status));
- connect_reply_upcall(ep, status2errno(rpl->status));
- state_set(&ep->com, DEAD);
- if (ep->com.tdev->type != T3A && act_open_has_tid(rpl->status))
- release_tid(ep->com.tdev, GET_TID(rpl), NULL);
- cxgb3_free_atid(ep->com.tdev, ep->atid);
- dst_release(ep->dst);
- l2t_release(ep->com.tdev, ep->l2t);
- put_ep(&ep->com);
- return CPL_RET_BUF_DONE;
-}
-
-static int listen_start(struct iwch_listen_ep *ep)
-{
- struct sk_buff *skb;
- struct cpl_pass_open_req *req;
-
- pr_debug("%s ep %p\n", __func__, ep);
- skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
- if (!skb) {
- pr_err("t3c_listen_start failed to alloc skb!\n");
- return -ENOMEM;
- }
-
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_PASS_OPEN_REQ, ep->stid));
- req->local_port = ep->com.local_addr.sin_port;
- req->local_ip = ep->com.local_addr.sin_addr.s_addr;
- req->peer_port = 0;
- req->peer_ip = 0;
- req->peer_netmask = 0;
- req->opt0h = htonl(F_DELACK | F_TCAM_BYPASS);
- req->opt0l = htonl(V_RCV_BUFSIZ(rcv_win>>10));
- req->opt1 = htonl(V_CONN_POLICY(CPL_CONN_POLICY_ASK));
-
- skb->priority = 1;
- return iwch_cxgb3_ofld_send(ep->com.tdev, skb);
-}
-
-static int pass_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_listen_ep *ep = ctx;
- struct cpl_pass_open_rpl *rpl = cplhdr(skb);
-
- pr_debug("%s ep %p status %d error %d\n", __func__, ep,
- rpl->status, status2errno(rpl->status));
- ep->com.rpl_err = status2errno(rpl->status);
- ep->com.rpl_done = 1;
- wake_up(&ep->com.waitq);
-
- return CPL_RET_BUF_DONE;
-}
-
-static int listen_stop(struct iwch_listen_ep *ep)
-{
- struct sk_buff *skb;
- struct cpl_close_listserv_req *req;
-
- pr_debug("%s ep %p\n", __func__, ep);
- skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
- if (!skb) {
- pr_err("%s - failed to alloc skb\n", __func__);
- return -ENOMEM;
- }
- req = skb_put(skb, sizeof(*req));
- req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- req->cpu_idx = 0;
- OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_CLOSE_LISTSRV_REQ, ep->stid));
- skb->priority = 1;
- return iwch_cxgb3_ofld_send(ep->com.tdev, skb);
-}
-
-static int close_listsrv_rpl(struct t3cdev *tdev, struct sk_buff *skb,
- void *ctx)
-{
- struct iwch_listen_ep *ep = ctx;
- struct cpl_close_listserv_rpl *rpl = cplhdr(skb);
-
- pr_debug("%s ep %p\n", __func__, ep);
- ep->com.rpl_err = status2errno(rpl->status);
- ep->com.rpl_done = 1;
- wake_up(&ep->com.waitq);
- return CPL_RET_BUF_DONE;
-}
-
-static void accept_cr(struct iwch_ep *ep, __be32 peer_ip, struct sk_buff *skb)
-{
- struct cpl_pass_accept_rpl *rpl;
- unsigned int mtu_idx;
- u32 opt0h, opt0l, opt2;
- int wscale;
-
- pr_debug("%s ep %p\n", __func__, ep);
- BUG_ON(skb_cloned(skb));
- skb_trim(skb, sizeof(*rpl));
- skb_get(skb);
- mtu_idx = find_best_mtu(T3C_DATA(ep->com.tdev), dst_mtu(ep->dst));
- wscale = compute_wscale(rcv_win);
- opt0h = V_NAGLE(0) |
- V_NO_CONG(nocong) |
- V_KEEP_ALIVE(1) |
- F_TCAM_BYPASS |
- V_WND_SCALE(wscale) |
- V_MSS_IDX(mtu_idx) |
- V_L2T_IDX(ep->l2t->idx) | V_TX_CHANNEL(ep->l2t->smt_idx);
- opt0l = V_TOS((ep->tos >> 2) & M_TOS) | V_RCV_BUFSIZ(rcv_win>>10);
- opt2 = F_RX_COALESCE_VALID | V_RX_COALESCE(0) | V_FLAVORS_VALID(1) |
- V_CONG_CONTROL_FLAVOR(cong_flavor);
-
- rpl = cplhdr(skb);
- rpl->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- OPCODE_TID(rpl) = htonl(MK_OPCODE_TID(CPL_PASS_ACCEPT_RPL, ep->hwtid));
- rpl->peer_ip = peer_ip;
- rpl->opt0h = htonl(opt0h);
- rpl->opt0l_status = htonl(opt0l | CPL_PASS_OPEN_ACCEPT);
- rpl->opt2 = htonl(opt2);
- rpl->rsvd = rpl->opt2; /* workaround for HW bug */
- skb->priority = CPL_PRIORITY_SETUP;
- iwch_l2t_send(ep->com.tdev, skb, ep->l2t);
-
- return;
-}
-
-static void reject_cr(struct t3cdev *tdev, u32 hwtid, __be32 peer_ip,
- struct sk_buff *skb)
-{
- pr_debug("%s t3cdev %p tid %u peer_ip %x\n", __func__, tdev, hwtid,
- peer_ip);
- BUG_ON(skb_cloned(skb));
- skb_trim(skb, sizeof(struct cpl_tid_release));
- skb_get(skb);
-
- if (tdev->type != T3A)
- release_tid(tdev, hwtid, skb);
- else {
- struct cpl_pass_accept_rpl *rpl;
-
- rpl = cplhdr(skb);
- skb->priority = CPL_PRIORITY_SETUP;
- rpl->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
- OPCODE_TID(rpl) = htonl(MK_OPCODE_TID(CPL_PASS_ACCEPT_RPL,
- hwtid));
- rpl->peer_ip = peer_ip;
- rpl->opt0h = htonl(F_TCAM_BYPASS);
- rpl->opt0l_status = htonl(CPL_PASS_OPEN_REJECT);
- rpl->opt2 = 0;
- rpl->rsvd = rpl->opt2;
- iwch_cxgb3_ofld_send(tdev, skb);
- }
-}
-
-static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *child_ep, *parent_ep = ctx;
- struct cpl_pass_accept_req *req = cplhdr(skb);
- unsigned int hwtid = GET_TID(req);
- struct dst_entry *dst;
- struct l2t_entry *l2t;
- struct rtable *rt;
- struct iff_mac tim;
-
- pr_debug("%s parent ep %p tid %u\n", __func__, parent_ep, hwtid);
-
- if (state_read(&parent_ep->com) != LISTEN) {
- pr_err("%s - listening ep not in LISTEN\n", __func__);
- goto reject;
- }
-
- /*
- * Find the netdev for this connection request.
- */
- tim.mac_addr = req->dst_mac;
- tim.vlan_tag = ntohs(req->vlan_tag);
- if (tdev->ctl(tdev, GET_IFF_FROM_MAC, &tim) < 0 || !tim.dev) {
- pr_err("%s bad dst mac %pM\n", __func__, req->dst_mac);
- goto reject;
- }
-
- /* Find output route */
- rt = find_route(tdev,
- req->local_ip,
- req->peer_ip,
- req->local_port,
- req->peer_port, G_PASS_OPEN_TOS(ntohl(req->tos_tid)));
- if (!rt) {
- pr_err("%s - failed to find dst entry!\n", __func__);
- goto reject;
- }
- dst = &rt->dst;
- l2t = t3_l2t_get(tdev, dst, NULL, &req->peer_ip);
- if (!l2t) {
- pr_err("%s - failed to allocate l2t entry!\n", __func__);
- dst_release(dst);
- goto reject;
- }
- child_ep = alloc_ep(sizeof(*child_ep), GFP_KERNEL);
- if (!child_ep) {
- pr_err("%s - failed to allocate ep entry!\n", __func__);
- l2t_release(tdev, l2t);
- dst_release(dst);
- goto reject;
- }
- state_set(&child_ep->com, CONNECTING);
- child_ep->com.tdev = tdev;
- child_ep->com.cm_id = NULL;
- child_ep->com.local_addr.sin_family = AF_INET;
- child_ep->com.local_addr.sin_port = req->local_port;
- child_ep->com.local_addr.sin_addr.s_addr = req->local_ip;
- child_ep->com.remote_addr.sin_family = AF_INET;
- child_ep->com.remote_addr.sin_port = req->peer_port;
- child_ep->com.remote_addr.sin_addr.s_addr = req->peer_ip;
- get_ep(&parent_ep->com);
- child_ep->parent_ep = parent_ep;
- child_ep->tos = G_PASS_OPEN_TOS(ntohl(req->tos_tid));
- child_ep->l2t = l2t;
- child_ep->dst = dst;
- child_ep->hwtid = hwtid;
- timer_setup(&child_ep->timer, ep_timeout, 0);
- cxgb3_insert_tid(tdev, &t3c_client, child_ep, hwtid);
- accept_cr(child_ep, req->peer_ip, skb);
- goto out;
-reject:
- reject_cr(tdev, hwtid, req->peer_ip, skb);
-out:
- return CPL_RET_BUF_DONE;
-}
-
-static int pass_establish(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct cpl_pass_establish *req = cplhdr(skb);
-
- pr_debug("%s ep %p\n", __func__, ep);
- ep->snd_seq = ntohl(req->snd_isn);
- ep->rcv_seq = ntohl(req->rcv_isn);
-
- set_emss(ep, ntohs(req->tcp_opt));
-
- dst_confirm(ep->dst);
- state_set(&ep->com, MPA_REQ_WAIT);
- start_ep_timer(ep);
-
- return CPL_RET_BUF_DONE;
-}
-
-static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct iwch_qp_attributes attrs;
- unsigned long flags;
- int disconnect = 1;
- int release = 0;
-
- pr_debug("%s ep %p\n", __func__, ep);
- dst_confirm(ep->dst);
-
- spin_lock_irqsave(&ep->com.lock, flags);
- switch (ep->com.state) {
- case MPA_REQ_WAIT:
- __state_set(&ep->com, CLOSING);
- break;
- case MPA_REQ_SENT:
- __state_set(&ep->com, CLOSING);
- connect_reply_upcall(ep, -ECONNRESET);
- break;
- case MPA_REQ_RCVD:
-
- /*
- * We're gonna mark this puppy DEAD, but keep
- * the reference on it until the ULP accepts or
- * rejects the CR. Also wake up anyone waiting
- * in rdma connection migration (see iwch_accept_cr()).
- */
- __state_set(&ep->com, CLOSING);
- ep->com.rpl_done = 1;
- ep->com.rpl_err = -ECONNRESET;
- pr_debug("waking up ep %p\n", ep);
- wake_up(&ep->com.waitq);
- break;
- case MPA_REP_SENT:
- __state_set(&ep->com, CLOSING);
- ep->com.rpl_done = 1;
- ep->com.rpl_err = -ECONNRESET;
- pr_debug("waking up ep %p\n", ep);
- wake_up(&ep->com.waitq);
- break;
- case FPDU_MODE:
- start_ep_timer(ep);
- __state_set(&ep->com, CLOSING);
- attrs.next_state = IWCH_QP_STATE_CLOSING;
- iwch_modify_qp(ep->com.qp->rhp, ep->com.qp,
- IWCH_QP_ATTR_NEXT_STATE, &attrs, 1);
- peer_close_upcall(ep);
- break;
- case ABORTING:
- disconnect = 0;
- break;
- case CLOSING:
- __state_set(&ep->com, MORIBUND);
- disconnect = 0;
- break;
- case MORIBUND:
- stop_ep_timer(ep);
- if (ep->com.cm_id && ep->com.qp) {
- attrs.next_state = IWCH_QP_STATE_IDLE;
- iwch_modify_qp(ep->com.qp->rhp, ep->com.qp,
- IWCH_QP_ATTR_NEXT_STATE, &attrs, 1);
- }
- close_complete_upcall(ep);
- __state_set(&ep->com, DEAD);
- release = 1;
- disconnect = 0;
- break;
- case DEAD:
- disconnect = 0;
- break;
- default:
- BUG_ON(1);
- }
- spin_unlock_irqrestore(&ep->com.lock, flags);
- if (disconnect)
- iwch_ep_disconnect(ep, 0, GFP_KERNEL);
- if (release)
- release_ep_resources(ep);
- return CPL_RET_BUF_DONE;
-}
-
-/*
- * Returns whether an ABORT_REQ_RSS message is a negative advice.
- */
-static int is_neg_adv_abort(unsigned int status)
-{
- return status == CPL_ERR_RTX_NEG_ADVICE ||
- status == CPL_ERR_PERSIST_NEG_ADVICE;
-}
-
-static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct cpl_abort_req_rss *req = cplhdr(skb);
- struct iwch_ep *ep = ctx;
- struct cpl_abort_rpl *rpl;
- struct sk_buff *rpl_skb;
- struct iwch_qp_attributes attrs;
- int ret;
- int release = 0;
- unsigned long flags;
-
- if (is_neg_adv_abort(req->status)) {
- pr_debug("%s neg_adv_abort ep %p tid %d\n", __func__, ep,
- ep->hwtid);
- t3_l2t_send_event(ep->com.tdev, ep->l2t);
- return CPL_RET_BUF_DONE;
- }
-
- /*
- * We get 2 peer aborts from the HW. The first one must
- * be ignored except for scribbling that we need one more.
- */
- if (!test_and_set_bit(PEER_ABORT_IN_PROGRESS, &ep->com.flags)) {
- return CPL_RET_BUF_DONE;
- }
-
- spin_lock_irqsave(&ep->com.lock, flags);
- pr_debug("%s ep %p state %u\n", __func__, ep, ep->com.state);
- switch (ep->com.state) {
- case CONNECTING:
- break;
- case MPA_REQ_WAIT:
- stop_ep_timer(ep);
- break;
- case MPA_REQ_SENT:
- stop_ep_timer(ep);
- connect_reply_upcall(ep, -ECONNRESET);
- break;
- case MPA_REP_SENT:
- ep->com.rpl_done = 1;
- ep->com.rpl_err = -ECONNRESET;
- pr_debug("waking up ep %p\n", ep);
- wake_up(&ep->com.waitq);
- break;
- case MPA_REQ_RCVD:
-
- /*
- * We're gonna mark this puppy DEAD, but keep
- * the reference on it until the ULP accepts or
- * rejects the CR. Also wake up anyone waiting
- * in rdma connection migration (see iwch_accept_cr()).
- */
- ep->com.rpl_done = 1;
- ep->com.rpl_err = -ECONNRESET;
- pr_debug("waking up ep %p\n", ep);
- wake_up(&ep->com.waitq);
- break;
- case MORIBUND:
- case CLOSING:
- stop_ep_timer(ep);
- /*FALLTHROUGH*/
- case FPDU_MODE:
- if (ep->com.cm_id && ep->com.qp) {
- attrs.next_state = IWCH_QP_STATE_ERROR;
- ret = iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp, IWCH_QP_ATTR_NEXT_STATE,
- &attrs, 1);
- if (ret)
- pr_err("%s - qp <- error failed!\n", __func__);
- }
- peer_abort_upcall(ep);
- break;
- case ABORTING:
- break;
- case DEAD:
- pr_debug("%s PEER_ABORT IN DEAD STATE!!!!\n", __func__);
- spin_unlock_irqrestore(&ep->com.lock, flags);
- return CPL_RET_BUF_DONE;
- default:
- BUG_ON(1);
- break;
- }
- dst_confirm(ep->dst);
- if (ep->com.state != ABORTING) {
- __state_set(&ep->com, DEAD);
- release = 1;
- }
- spin_unlock_irqrestore(&ep->com.lock, flags);
-
- rpl_skb = get_skb(skb, sizeof(*rpl), GFP_KERNEL);
- if (!rpl_skb) {
- pr_err("%s - cannot allocate skb!\n", __func__);
- release = 1;
- goto out;
- }
- rpl_skb->priority = CPL_PRIORITY_DATA;
- rpl = skb_put(rpl_skb, sizeof(*rpl));
- rpl->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_HOST_ABORT_CON_RPL));
- rpl->wr.wr_lo = htonl(V_WR_TID(ep->hwtid));
- OPCODE_TID(rpl) = htonl(MK_OPCODE_TID(CPL_ABORT_RPL, ep->hwtid));
- rpl->cmd = CPL_ABORT_NO_RST;
- iwch_cxgb3_ofld_send(ep->com.tdev, rpl_skb);
-out:
- if (release)
- release_ep_resources(ep);
- return CPL_RET_BUF_DONE;
-}
-
-static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
- struct iwch_qp_attributes attrs;
- unsigned long flags;
- int release = 0;
-
- pr_debug("%s ep %p\n", __func__, ep);
- BUG_ON(!ep);
-
- /* The cm_id may be null if we failed to connect */
- spin_lock_irqsave(&ep->com.lock, flags);
- switch (ep->com.state) {
- case CLOSING:
- __state_set(&ep->com, MORIBUND);
- break;
- case MORIBUND:
- stop_ep_timer(ep);
- if ((ep->com.cm_id) && (ep->com.qp)) {
- attrs.next_state = IWCH_QP_STATE_IDLE;
- iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp,
- IWCH_QP_ATTR_NEXT_STATE,
- &attrs, 1);
- }
- close_complete_upcall(ep);
- __state_set(&ep->com, DEAD);
- release = 1;
- break;
- case ABORTING:
- case DEAD:
- break;
- default:
- BUG_ON(1);
- break;
- }
- spin_unlock_irqrestore(&ep->com.lock, flags);
- if (release)
- release_ep_resources(ep);
- return CPL_RET_BUF_DONE;
-}
-
-/*
- * T3A does 3 things when a TERM is received:
- * 1) send up a CPL_RDMA_TERMINATE message with the TERM packet
- * 2) generate an async event on the QP with the TERMINATE opcode
- * 3) post a TERMINATE opcode cqe into the associated CQ.
- *
- * For (1), we save the message in the qp for later consumer consumption.
- * For (2), we move the QP into TERMINATE, post a QP event and disconnect.
- * For (3), we toss the CQE in cxio_poll_cq().
- *
- * terminate() handles case (1)...
- */
-static int terminate(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep *ep = ctx;
-
- if (state_read(&ep->com) != FPDU_MODE)
- return CPL_RET_BUF_DONE;
-
- pr_debug("%s ep %p\n", __func__, ep);
- skb_pull(skb, sizeof(struct cpl_rdma_terminate));
- pr_debug("%s saving %d bytes of term msg\n", __func__, skb->len);
- skb_copy_from_linear_data(skb, ep->com.qp->attr.terminate_buffer,
- skb->len);
- ep->com.qp->attr.terminate_msg_len = skb->len;
- ep->com.qp->attr.is_terminate_local = 0;
- return CPL_RET_BUF_DONE;
-}
-
-static int ec_status(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct cpl_rdma_ec_status *rep = cplhdr(skb);
- struct iwch_ep *ep = ctx;
-
- pr_debug("%s ep %p tid %u status %d\n", __func__, ep, ep->hwtid,
- rep->status);
- if (rep->status) {
- struct iwch_qp_attributes attrs;
-
- pr_err("%s BAD CLOSE - Aborting tid %u\n",
- __func__, ep->hwtid);
- stop_ep_timer(ep);
- attrs.next_state = IWCH_QP_STATE_ERROR;
- iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp, IWCH_QP_ATTR_NEXT_STATE,
- &attrs, 1);
- abort_connection(ep, NULL, GFP_KERNEL);
- }
- return CPL_RET_BUF_DONE;
-}
-
-static void ep_timeout(struct timer_list *t)
-{
- struct iwch_ep *ep = from_timer(ep, t, timer);
- struct iwch_qp_attributes attrs;
- unsigned long flags;
- int abort = 1;
-
- spin_lock_irqsave(&ep->com.lock, flags);
- pr_debug("%s ep %p tid %u state %d\n", __func__, ep, ep->hwtid,
- ep->com.state);
- switch (ep->com.state) {
- case MPA_REQ_SENT:
- __state_set(&ep->com, ABORTING);
- connect_reply_upcall(ep, -ETIMEDOUT);
- break;
- case MPA_REQ_WAIT:
- __state_set(&ep->com, ABORTING);
- break;
- case CLOSING:
- case MORIBUND:
- if (ep->com.cm_id && ep->com.qp) {
- attrs.next_state = IWCH_QP_STATE_ERROR;
- iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp, IWCH_QP_ATTR_NEXT_STATE,
- &attrs, 1);
- }
- __state_set(&ep->com, ABORTING);
- break;
- default:
- WARN(1, "%s unexpected state ep %p state %u\n",
- __func__, ep, ep->com.state);
- abort = 0;
- }
- spin_unlock_irqrestore(&ep->com.lock, flags);
- if (abort)
- abort_connection(ep, NULL, GFP_ATOMIC);
- put_ep(&ep->com);
-}
-
-int iwch_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
-{
- struct iwch_ep *ep = to_ep(cm_id);
-
- pr_debug("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
-
- if (state_read(&ep->com) == DEAD) {
- put_ep(&ep->com);
- return -ECONNRESET;
- }
- BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD);
- if (mpa_rev == 0)
- abort_connection(ep, NULL, GFP_KERNEL);
- else {
- send_mpa_reject(ep, pdata, pdata_len);
- iwch_ep_disconnect(ep, 0, GFP_KERNEL);
- }
- put_ep(&ep->com);
- return 0;
-}
-
-int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
-{
- int err;
- struct iwch_qp_attributes attrs;
- enum iwch_qp_attr_mask mask;
- struct iwch_ep *ep = to_ep(cm_id);
- struct iwch_dev *h = to_iwch_dev(cm_id->device);
- struct iwch_qp *qp = get_qhp(h, conn_param->qpn);
-
- pr_debug("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
- if (state_read(&ep->com) == DEAD) {
- err = -ECONNRESET;
- goto err;
- }
-
- BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD);
- BUG_ON(!qp);
-
- if ((conn_param->ord > qp->rhp->attr.max_rdma_read_qp_depth) ||
- (conn_param->ird > qp->rhp->attr.max_rdma_reads_per_qp)) {
- abort_connection(ep, NULL, GFP_KERNEL);
- err = -EINVAL;
- goto err;
- }
-
- cm_id->add_ref(cm_id);
- ep->com.cm_id = cm_id;
- ep->com.qp = qp;
-
- ep->ird = conn_param->ird;
- ep->ord = conn_param->ord;
-
- if (peer2peer && ep->ird == 0)
- ep->ird = 1;
-
- pr_debug("%s %d ird %d ord %d\n", __func__, __LINE__, ep->ird, ep->ord);
-
- /* bind QP to EP and move to RTS */
- attrs.mpa_attr = ep->mpa_attr;
- attrs.max_ird = ep->ird;
- attrs.max_ord = ep->ord;
- attrs.llp_stream_handle = ep;
- attrs.next_state = IWCH_QP_STATE_RTS;
-
- /* bind QP and TID with INIT_WR */
- mask = IWCH_QP_ATTR_NEXT_STATE |
- IWCH_QP_ATTR_LLP_STREAM_HANDLE |
- IWCH_QP_ATTR_MPA_ATTR |
- IWCH_QP_ATTR_MAX_IRD |
- IWCH_QP_ATTR_MAX_ORD;
-
- err = iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp, mask, &attrs, 1);
- if (err)
- goto err1;
-
- /* if needed, wait for wr_ack */
- if (iwch_rqes_posted(qp)) {
- wait_event(ep->com.waitq, ep->com.rpl_done);
- err = ep->com.rpl_err;
- if (err)
- goto err1;
- }
-
- err = send_mpa_reply(ep, conn_param->private_data,
- conn_param->private_data_len);
- if (err)
- goto err1;
-
-
- state_set(&ep->com, FPDU_MODE);
- established_upcall(ep);
- put_ep(&ep->com);
- return 0;
-err1:
- ep->com.cm_id = NULL;
- ep->com.qp = NULL;
- cm_id->rem_ref(cm_id);
-err:
- put_ep(&ep->com);
- return err;
-}
-
-static int is_loopback_dst(struct iw_cm_id *cm_id)
-{
- struct net_device *dev;
- struct sockaddr_in *raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
-
- dev = ip_dev_find(&init_net, raddr->sin_addr.s_addr);
- if (!dev)
- return 0;
- dev_put(dev);
- return 1;
-}
-
-int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
-{
- struct iwch_dev *h = to_iwch_dev(cm_id->device);
- struct iwch_ep *ep;
- struct rtable *rt;
- int err = 0;
- struct sockaddr_in *laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
- struct sockaddr_in *raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
-
- if (cm_id->m_remote_addr.ss_family != PF_INET) {
- err = -ENOSYS;
- goto out;
- }
-
- if (is_loopback_dst(cm_id)) {
- err = -ENOSYS;
- goto out;
- }
-
- ep = alloc_ep(sizeof(*ep), GFP_KERNEL);
- if (!ep) {
- pr_err("%s - cannot alloc ep\n", __func__);
- err = -ENOMEM;
- goto out;
- }
- timer_setup(&ep->timer, ep_timeout, 0);
- ep->plen = conn_param->private_data_len;
- if (ep->plen)
- memcpy(ep->mpa_pkt + sizeof(struct mpa_message),
- conn_param->private_data, ep->plen);
- ep->ird = conn_param->ird;
- ep->ord = conn_param->ord;
-
- if (peer2peer && ep->ord == 0)
- ep->ord = 1;
-
- ep->com.tdev = h->rdev.t3cdev_p;
-
- cm_id->add_ref(cm_id);
- ep->com.cm_id = cm_id;
- ep->com.qp = get_qhp(h, conn_param->qpn);
- BUG_ON(!ep->com.qp);
- pr_debug("%s qpn 0x%x qp %p cm_id %p\n", __func__, conn_param->qpn,
- ep->com.qp, cm_id);
-
- /*
- * Allocate an active TID to initiate a TCP connection.
- */
- ep->atid = cxgb3_alloc_atid(h->rdev.t3cdev_p, &t3c_client, ep);
- if (ep->atid == -1) {
- pr_err("%s - cannot alloc atid\n", __func__);
- err = -ENOMEM;
- goto fail2;
- }
-
- /* find a route */
- rt = find_route(h->rdev.t3cdev_p, laddr->sin_addr.s_addr,
- raddr->sin_addr.s_addr, laddr->sin_port,
- raddr->sin_port, IPTOS_LOWDELAY);
- if (!rt) {
- pr_err("%s - cannot find route\n", __func__);
- err = -EHOSTUNREACH;
- goto fail3;
- }
- ep->dst = &rt->dst;
- ep->l2t = t3_l2t_get(ep->com.tdev, ep->dst, NULL,
- &raddr->sin_addr.s_addr);
- if (!ep->l2t) {
- pr_err("%s - cannot alloc l2e\n", __func__);
- err = -ENOMEM;
- goto fail4;
- }
-
- state_set(&ep->com, CONNECTING);
- ep->tos = IPTOS_LOWDELAY;
- memcpy(&ep->com.local_addr, &cm_id->m_local_addr,
- sizeof(ep->com.local_addr));
- memcpy(&ep->com.remote_addr, &cm_id->m_remote_addr,
- sizeof(ep->com.remote_addr));
-
- /* send connect request to rnic */
- err = send_connect(ep);
- if (!err)
- goto out;
-
- l2t_release(h->rdev.t3cdev_p, ep->l2t);
-fail4:
- dst_release(ep->dst);
-fail3:
- cxgb3_free_atid(ep->com.tdev, ep->atid);
-fail2:
- cm_id->rem_ref(cm_id);
- put_ep(&ep->com);
-out:
- return err;
-}
-
-int iwch_create_listen(struct iw_cm_id *cm_id, int backlog)
-{
- int err = 0;
- struct iwch_dev *h = to_iwch_dev(cm_id->device);
- struct iwch_listen_ep *ep;
-
-
- might_sleep();
-
- if (cm_id->m_local_addr.ss_family != PF_INET) {
- err = -ENOSYS;
- goto fail1;
- }
-
- ep = alloc_ep(sizeof(*ep), GFP_KERNEL);
- if (!ep) {
- pr_err("%s - cannot alloc ep\n", __func__);
- err = -ENOMEM;
- goto fail1;
- }
- pr_debug("%s ep %p\n", __func__, ep);
- ep->com.tdev = h->rdev.t3cdev_p;
- cm_id->add_ref(cm_id);
- ep->com.cm_id = cm_id;
- ep->backlog = backlog;
- memcpy(&ep->com.local_addr, &cm_id->m_local_addr,
- sizeof(ep->com.local_addr));
-
- /*
- * Allocate a server TID.
- */
- ep->stid = cxgb3_alloc_stid(h->rdev.t3cdev_p, &t3c_client, ep);
- if (ep->stid == -1) {
- pr_err("%s - cannot alloc atid\n", __func__);
- err = -ENOMEM;
- goto fail2;
- }
-
- state_set(&ep->com, LISTEN);
- err = listen_start(ep);
- if (err)
- goto fail3;
-
- /* wait for pass_open_rpl */
- wait_event(ep->com.waitq, ep->com.rpl_done);
- err = ep->com.rpl_err;
- if (!err) {
- cm_id->provider_data = ep;
- goto out;
- }
-fail3:
- cxgb3_free_stid(ep->com.tdev, ep->stid);
-fail2:
- cm_id->rem_ref(cm_id);
- put_ep(&ep->com);
-fail1:
-out:
- return err;
-}
-
-int iwch_destroy_listen(struct iw_cm_id *cm_id)
-{
- int err;
- struct iwch_listen_ep *ep = to_listen_ep(cm_id);
-
- pr_debug("%s ep %p\n", __func__, ep);
-
- might_sleep();
- state_set(&ep->com, DEAD);
- ep->com.rpl_done = 0;
- ep->com.rpl_err = 0;
- err = listen_stop(ep);
- if (err)
- goto done;
- wait_event(ep->com.waitq, ep->com.rpl_done);
- cxgb3_free_stid(ep->com.tdev, ep->stid);
-done:
- err = ep->com.rpl_err;
- cm_id->rem_ref(cm_id);
- put_ep(&ep->com);
- return err;
-}
-
-int iwch_ep_disconnect(struct iwch_ep *ep, int abrupt, gfp_t gfp)
-{
- int ret=0;
- unsigned long flags;
- int close = 0;
- int fatal = 0;
- struct t3cdev *tdev;
- struct cxio_rdev *rdev;
-
- spin_lock_irqsave(&ep->com.lock, flags);
-
- pr_debug("%s ep %p state %s, abrupt %d\n", __func__, ep,
- states[ep->com.state], abrupt);
-
- tdev = (struct t3cdev *)ep->com.tdev;
- rdev = (struct cxio_rdev *)tdev->ulp;
- if (cxio_fatal_error(rdev)) {
- fatal = 1;
- close_complete_upcall(ep);
- ep->com.state = DEAD;
- }
- switch (ep->com.state) {
- case MPA_REQ_WAIT:
- case MPA_REQ_SENT:
- case MPA_REQ_RCVD:
- case MPA_REP_SENT:
- case FPDU_MODE:
- close = 1;
- if (abrupt)
- ep->com.state = ABORTING;
- else {
- ep->com.state = CLOSING;
- start_ep_timer(ep);
- }
- set_bit(CLOSE_SENT, &ep->com.flags);
- break;
- case CLOSING:
- if (!test_and_set_bit(CLOSE_SENT, &ep->com.flags)) {
- close = 1;
- if (abrupt) {
- stop_ep_timer(ep);
- ep->com.state = ABORTING;
- } else
- ep->com.state = MORIBUND;
- }
- break;
- case MORIBUND:
- case ABORTING:
- case DEAD:
- pr_debug("%s ignoring disconnect ep %p state %u\n",
- __func__, ep, ep->com.state);
- break;
- default:
- BUG();
- break;
- }
-
- spin_unlock_irqrestore(&ep->com.lock, flags);
- if (close) {
- if (abrupt)
- ret = send_abort(ep, NULL, gfp);
- else
- ret = send_halfclose(ep, gfp);
- if (ret)
- fatal = 1;
- }
- if (fatal)
- release_ep_resources(ep);
- return ret;
-}
-
-int iwch_ep_redirect(void *ctx, struct dst_entry *old, struct dst_entry *new,
- struct l2t_entry *l2t)
-{
- struct iwch_ep *ep = ctx;
-
- if (ep->dst != old)
- return 0;
-
- pr_debug("%s ep %p redirect to dst %p l2t %p\n", __func__, ep, new,
- l2t);
- dst_hold(new);
- l2t_release(ep->com.tdev, ep->l2t);
- ep->l2t = l2t;
- dst_release(old);
- ep->dst = new;
- return 1;
-}
-
-/*
- * All the CM events are handled on a work queue to have a safe context.
- * These are the real handlers that are called from the work queue.
- */
-static const cxgb3_cpl_handler_func work_handlers[NUM_CPL_CMDS] = {
- [CPL_ACT_ESTABLISH] = act_establish,
- [CPL_ACT_OPEN_RPL] = act_open_rpl,
- [CPL_RX_DATA] = rx_data,
- [CPL_TX_DMA_ACK] = tx_ack,
- [CPL_ABORT_RPL_RSS] = abort_rpl,
- [CPL_ABORT_RPL] = abort_rpl,
- [CPL_PASS_OPEN_RPL] = pass_open_rpl,
- [CPL_CLOSE_LISTSRV_RPL] = close_listsrv_rpl,
- [CPL_PASS_ACCEPT_REQ] = pass_accept_req,
- [CPL_PASS_ESTABLISH] = pass_establish,
- [CPL_PEER_CLOSE] = peer_close,
- [CPL_ABORT_REQ_RSS] = peer_abort,
- [CPL_CLOSE_CON_RPL] = close_con_rpl,
- [CPL_RDMA_TERMINATE] = terminate,
- [CPL_RDMA_EC_STATUS] = ec_status,
-};
-
-static void process_work(struct work_struct *work)
-{
- struct sk_buff *skb = NULL;
- void *ep;
- struct t3cdev *tdev;
- int ret;
-
- while ((skb = skb_dequeue(&rxq))) {
- ep = *((void **) (skb->cb));
- tdev = *((struct t3cdev **) (skb->cb + sizeof(void *)));
- ret = work_handlers[G_OPCODE(ntohl((__force __be32)skb->csum))](tdev, skb, ep);
- if (ret & CPL_RET_BUF_DONE)
- kfree_skb(skb);
-
- /*
- * ep was referenced in sched(), and is freed here.
- */
- put_ep((struct iwch_ep_common *)ep);
- }
-}
-
-static DECLARE_WORK(skb_work, process_work);
-
-static int sched(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct iwch_ep_common *epc = ctx;
-
- get_ep(epc);
-
- /*
- * Save ctx and tdev in the skb->cb area.
- */
- *((void **) skb->cb) = ctx;
- *((struct t3cdev **) (skb->cb + sizeof(void *))) = tdev;
-
- /*
- * Queue the skb and schedule the worker thread.
- */
- skb_queue_tail(&rxq, skb);
- queue_work(workq, &skb_work);
- return 0;
-}
-
-static int set_tcb_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
-{
- struct cpl_set_tcb_rpl *rpl = cplhdr(skb);
-
- if (rpl->status != CPL_ERR_NONE) {
- pr_err("Unexpected SET_TCB_RPL status %u for tid %u\n",
- rpl->status, GET_TID(rpl));
- }
- return CPL_RET_BUF_DONE;
-}
-
-/*
- * All upcalls from the T3 Core go to sched() to schedule the
- * processing on a work queue.
- */
-cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS] = {
- [CPL_ACT_ESTABLISH] = sched,
- [CPL_ACT_OPEN_RPL] = sched,
- [CPL_RX_DATA] = sched,
- [CPL_TX_DMA_ACK] = sched,
- [CPL_ABORT_RPL_RSS] = sched,
- [CPL_ABORT_RPL] = sched,
- [CPL_PASS_OPEN_RPL] = sched,
- [CPL_CLOSE_LISTSRV_RPL] = sched,
- [CPL_PASS_ACCEPT_REQ] = sched,
- [CPL_PASS_ESTABLISH] = sched,
- [CPL_PEER_CLOSE] = sched,
- [CPL_CLOSE_CON_RPL] = sched,
- [CPL_ABORT_REQ_RSS] = sched,
- [CPL_RDMA_TERMINATE] = sched,
- [CPL_RDMA_EC_STATUS] = sched,
- [CPL_SET_TCB_RPL] = set_tcb_rpl,
-};
-
-int __init iwch_cm_init(void)
-{
- skb_queue_head_init(&rxq);
-
- workq = alloc_ordered_workqueue("iw_cxgb3", WQ_MEM_RECLAIM);
- if (!workq)
- return -ENOMEM;
-
- return 0;
-}
-
-void __exit iwch_cm_term(void)
-{
- flush_workqueue(workq);
- destroy_workqueue(workq);
-}
deleted file mode 100644
@@ -1,233 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef _IWCH_CM_H_
-#define _IWCH_CM_H_
-
-#include <linux/inet.h>
-#include <linux/wait.h>
-#include <linux/spinlock.h>
-#include <linux/kref.h>
-
-#include <rdma/ib_verbs.h>
-#include <rdma/iw_cm.h>
-
-#include "cxgb3_offload.h"
-#include "iwch_provider.h"
-
-#define MPA_KEY_REQ "MPA ID Req Frame"
-#define MPA_KEY_REP "MPA ID Rep Frame"
-
-#define MPA_MAX_PRIVATE_DATA 256
-#define MPA_REV 0 /* XXX - amso1100 uses rev 0 ! */
-#define MPA_REJECT 0x20
-#define MPA_CRC 0x40
-#define MPA_MARKERS 0x80
-#define MPA_FLAGS_MASK 0xE0
-
-#define put_ep(ep) { \
- pr_debug("put_ep (via %s:%u) ep %p refcnt %d\n", \
- __func__, __LINE__, ep, kref_read(&((ep)->kref))); \
- WARN_ON(kref_read(&((ep)->kref)) < 1); \
- kref_put(&((ep)->kref), __free_ep); \
-}
-
-#define get_ep(ep) { \
- pr_debug("get_ep (via %s:%u) ep %p, refcnt %d\n", \
- __func__, __LINE__, ep, kref_read(&((ep)->kref))); \
- kref_get(&((ep)->kref)); \
-}
-
-struct mpa_message {
- u8 key[16];
- u8 flags;
- u8 revision;
- __be16 private_data_size;
- u8 private_data[0];
-};
-
-struct terminate_message {
- u8 layer_etype;
- u8 ecode;
- __be16 hdrct_rsvd;
- u8 len_hdrs[0];
-};
-
-#define TERM_MAX_LENGTH (sizeof(struct terminate_message) + 2 + 18 + 28)
-
-enum iwch_layers_types {
- LAYER_RDMAP = 0x00,
- LAYER_DDP = 0x10,
- LAYER_MPA = 0x20,
- RDMAP_LOCAL_CATA = 0x00,
- RDMAP_REMOTE_PROT = 0x01,
- RDMAP_REMOTE_OP = 0x02,
- DDP_LOCAL_CATA = 0x00,
- DDP_TAGGED_ERR = 0x01,
- DDP_UNTAGGED_ERR = 0x02,
- DDP_LLP = 0x03
-};
-
-enum iwch_rdma_ecodes {
- RDMAP_INV_STAG = 0x00,
- RDMAP_BASE_BOUNDS = 0x01,
- RDMAP_ACC_VIOL = 0x02,
- RDMAP_STAG_NOT_ASSOC = 0x03,
- RDMAP_TO_WRAP = 0x04,
- RDMAP_INV_VERS = 0x05,
- RDMAP_INV_OPCODE = 0x06,
- RDMAP_STREAM_CATA = 0x07,
- RDMAP_GLOBAL_CATA = 0x08,
- RDMAP_CANT_INV_STAG = 0x09,
- RDMAP_UNSPECIFIED = 0xff
-};
-
-enum iwch_ddp_ecodes {
- DDPT_INV_STAG = 0x00,
- DDPT_BASE_BOUNDS = 0x01,
- DDPT_STAG_NOT_ASSOC = 0x02,
- DDPT_TO_WRAP = 0x03,
- DDPT_INV_VERS = 0x04,
- DDPU_INV_QN = 0x01,
- DDPU_INV_MSN_NOBUF = 0x02,
- DDPU_INV_MSN_RANGE = 0x03,
- DDPU_INV_MO = 0x04,
- DDPU_MSG_TOOBIG = 0x05,
- DDPU_INV_VERS = 0x06
-};
-
-enum iwch_mpa_ecodes {
- MPA_CRC_ERR = 0x02,
- MPA_MARKER_ERR = 0x03
-};
-
-enum iwch_ep_state {
- IDLE = 0,
- LISTEN,
- CONNECTING,
- MPA_REQ_WAIT,
- MPA_REQ_SENT,
- MPA_REQ_RCVD,
- MPA_REP_SENT,
- FPDU_MODE,
- ABORTING,
- CLOSING,
- MORIBUND,
- DEAD,
-};
-
-enum iwch_ep_flags {
- PEER_ABORT_IN_PROGRESS = 0,
- ABORT_REQ_IN_PROGRESS = 1,
- RELEASE_RESOURCES = 2,
- CLOSE_SENT = 3,
-};
-
-struct iwch_ep_common {
- struct iw_cm_id *cm_id;
- struct iwch_qp *qp;
- struct t3cdev *tdev;
- enum iwch_ep_state state;
- struct kref kref;
- spinlock_t lock;
- struct sockaddr_in local_addr;
- struct sockaddr_in remote_addr;
- wait_queue_head_t waitq;
- int rpl_done;
- int rpl_err;
- unsigned long flags;
-};
-
-struct iwch_listen_ep {
- struct iwch_ep_common com;
- unsigned int stid;
- int backlog;
-};
-
-struct iwch_ep {
- struct iwch_ep_common com;
- struct iwch_ep *parent_ep;
- struct timer_list timer;
- unsigned int atid;
- u32 hwtid;
- u32 snd_seq;
- u32 rcv_seq;
- struct l2t_entry *l2t;
- struct dst_entry *dst;
- struct sk_buff *mpa_skb;
- struct iwch_mpa_attributes mpa_attr;
- unsigned int mpa_pkt_len;
- u8 mpa_pkt[sizeof(struct mpa_message) + MPA_MAX_PRIVATE_DATA];
- u8 tos;
- u16 emss;
- u16 plen;
- u32 ird;
- u32 ord;
-};
-
-static inline struct iwch_ep *to_ep(struct iw_cm_id *cm_id)
-{
- return cm_id->provider_data;
-}
-
-static inline struct iwch_listen_ep *to_listen_ep(struct iw_cm_id *cm_id)
-{
- return cm_id->provider_data;
-}
-
-static inline int compute_wscale(int win)
-{
- int wscale = 0;
-
- while (wscale < 14 && (65535<<wscale) < win)
- wscale++;
- return wscale;
-}
-
-/* CM prototypes */
-
-int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param);
-int iwch_create_listen(struct iw_cm_id *cm_id, int backlog);
-int iwch_destroy_listen(struct iw_cm_id *cm_id);
-int iwch_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len);
-int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param);
-int iwch_ep_disconnect(struct iwch_ep *ep, int abrupt, gfp_t gfp);
-int iwch_quiesce_tid(struct iwch_ep *ep);
-int iwch_resume_tid(struct iwch_ep *ep);
-void __free_ep(struct kref *kref);
-void iwch_rearp(struct iwch_ep *ep);
-int iwch_ep_redirect(void *ctx, struct dst_entry *old, struct dst_entry *new, struct l2t_entry *l2t);
-
-int __init iwch_cm_init(void);
-void __exit iwch_cm_term(void);
-extern int peer2peer;
-
-#endif /* _IWCH_CM_H_ */
deleted file mode 100644
@@ -1,230 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "iwch_provider.h"
-#include "iwch.h"
-
-static int __iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
- struct iwch_qp *qhp, struct ib_wc *wc)
-{
- struct t3_wq *wq = qhp ? &qhp->wq : NULL;
- struct t3_cqe cqe;
- u32 credit = 0;
- u8 cqe_flushed;
- u64 cookie;
- int ret = 1;
-
- ret = cxio_poll_cq(wq, &(chp->cq), &cqe, &cqe_flushed, &cookie,
- &credit);
- if (t3a_device(chp->rhp) && credit) {
- pr_debug("%s updating %d cq credits on id %d\n", __func__,
- credit, chp->cq.cqid);
- cxio_hal_cq_op(&rhp->rdev, &chp->cq, CQ_CREDIT_UPDATE, credit);
- }
-
- if (ret) {
- ret = -EAGAIN;
- goto out;
- }
- ret = 1;
-
- wc->wr_id = cookie;
- wc->qp = qhp ? &qhp->ibqp : NULL;
- wc->vendor_err = CQE_STATUS(cqe);
- wc->wc_flags = 0;
-
- pr_debug("%s qpid 0x%x type %d opcode %d status 0x%x wrid hi 0x%x lo 0x%x cookie 0x%llx\n",
- __func__,
- CQE_QPID(cqe), CQE_TYPE(cqe),
- CQE_OPCODE(cqe), CQE_STATUS(cqe), CQE_WRID_HI(cqe),
- CQE_WRID_LOW(cqe), (unsigned long long)cookie);
-
- if (CQE_TYPE(cqe) == 0) {
- if (!CQE_STATUS(cqe))
- wc->byte_len = CQE_LEN(cqe);
- else
- wc->byte_len = 0;
- wc->opcode = IB_WC_RECV;
- if (CQE_OPCODE(cqe) == T3_SEND_WITH_INV ||
- CQE_OPCODE(cqe) == T3_SEND_WITH_SE_INV) {
- wc->ex.invalidate_rkey = CQE_WRID_STAG(cqe);
- wc->wc_flags |= IB_WC_WITH_INVALIDATE;
- }
- } else {
- switch (CQE_OPCODE(cqe)) {
- case T3_RDMA_WRITE:
- wc->opcode = IB_WC_RDMA_WRITE;
- break;
- case T3_READ_REQ:
- wc->opcode = IB_WC_RDMA_READ;
- wc->byte_len = CQE_LEN(cqe);
- break;
- case T3_SEND:
- case T3_SEND_WITH_SE:
- case T3_SEND_WITH_INV:
- case T3_SEND_WITH_SE_INV:
- wc->opcode = IB_WC_SEND;
- break;
- case T3_LOCAL_INV:
- wc->opcode = IB_WC_LOCAL_INV;
- break;
- case T3_FAST_REGISTER:
- wc->opcode = IB_WC_REG_MR;
- break;
- default:
- pr_err("Unexpected opcode %d in the CQE received for QPID=0x%0x\n",
- CQE_OPCODE(cqe), CQE_QPID(cqe));
- ret = -EINVAL;
- goto out;
- }
- }
-
- if (cqe_flushed)
- wc->status = IB_WC_WR_FLUSH_ERR;
- else {
-
- switch (CQE_STATUS(cqe)) {
- case TPT_ERR_SUCCESS:
- wc->status = IB_WC_SUCCESS;
- break;
- case TPT_ERR_STAG:
- wc->status = IB_WC_LOC_ACCESS_ERR;
- break;
- case TPT_ERR_PDID:
- wc->status = IB_WC_LOC_PROT_ERR;
- break;
- case TPT_ERR_QPID:
- case TPT_ERR_ACCESS:
- wc->status = IB_WC_LOC_ACCESS_ERR;
- break;
- case TPT_ERR_WRAP:
- wc->status = IB_WC_GENERAL_ERR;
- break;
- case TPT_ERR_BOUND:
- wc->status = IB_WC_LOC_LEN_ERR;
- break;
- case TPT_ERR_INVALIDATE_SHARED_MR:
- case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND:
- wc->status = IB_WC_MW_BIND_ERR;
- break;
- case TPT_ERR_CRC:
- case TPT_ERR_MARKER:
- case TPT_ERR_PDU_LEN_ERR:
- case TPT_ERR_OUT_OF_RQE:
- case TPT_ERR_DDP_VERSION:
- case TPT_ERR_RDMA_VERSION:
- case TPT_ERR_DDP_QUEUE_NUM:
- case TPT_ERR_MSN:
- case TPT_ERR_TBIT:
- case TPT_ERR_MO:
- case TPT_ERR_MSN_RANGE:
- case TPT_ERR_IRD_OVERFLOW:
- case TPT_ERR_OPCODE:
- wc->status = IB_WC_FATAL_ERR;
- break;
- case TPT_ERR_SWFLUSH:
- wc->status = IB_WC_WR_FLUSH_ERR;
- break;
- default:
- pr_err("Unexpected cqe_status 0x%x for QPID=0x%0x\n",
- CQE_STATUS(cqe), CQE_QPID(cqe));
- ret = -EINVAL;
- }
- }
-out:
- return ret;
-}
-
-/*
- * Get one cq entry from cxio and map it to openib.
- *
- * Returns:
- * 0 EMPTY;
- * 1 cqe returned
- * -EAGAIN caller must try again
- * any other -errno fatal error
- */
-static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
- struct ib_wc *wc)
-{
- struct iwch_qp *qhp;
- struct t3_cqe *rd_cqe;
- int ret;
-
- rd_cqe = cxio_next_cqe(&chp->cq);
-
- if (!rd_cqe)
- return 0;
-
- qhp = get_qhp(rhp, CQE_QPID(*rd_cqe));
- if (qhp) {
- spin_lock(&qhp->lock);
- ret = __iwch_poll_cq_one(rhp, chp, qhp, wc);
- spin_unlock(&qhp->lock);
- } else {
- ret = __iwch_poll_cq_one(rhp, chp, NULL, wc);
- }
- return ret;
-}
-
-int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
-{
- struct iwch_dev *rhp;
- struct iwch_cq *chp;
- unsigned long flags;
- int npolled;
- int err = 0;
-
- chp = to_iwch_cq(ibcq);
- rhp = chp->rhp;
-
- spin_lock_irqsave(&chp->lock, flags);
- for (npolled = 0; npolled < num_entries; ++npolled) {
-
- /*
- * Because T3 can post CQEs that are _not_ associated
- * with a WR, we might have to poll again after removing
- * one of these.
- */
- do {
- err = iwch_poll_cq_one(rhp, chp, wc + npolled);
- } while (err == -EAGAIN);
- if (err <= 0)
- break;
- }
- spin_unlock_irqrestore(&chp->lock, flags);
-
- if (err < 0)
- return err;
- else {
- return npolled;
- }
-}
deleted file mode 100644
@@ -1,232 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <linux/gfp.h>
-#include <linux/mman.h>
-#include <net/sock.h>
-#include "iwch_provider.h"
-#include "iwch.h"
-#include "iwch_cm.h"
-#include "cxio_hal.h"
-#include "cxio_wr.h"
-
-static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
- struct respQ_msg_t *rsp_msg,
- enum ib_event_type ib_event,
- int send_term)
-{
- struct ib_event event;
- struct iwch_qp_attributes attrs;
- struct iwch_qp *qhp;
- unsigned long flag;
-
- xa_lock(&rnicp->qps);
- qhp = xa_load(&rnicp->qps, CQE_QPID(rsp_msg->cqe));
-
- if (!qhp) {
- pr_err("%s unaffiliated error 0x%x qpid 0x%x\n",
- __func__, CQE_STATUS(rsp_msg->cqe),
- CQE_QPID(rsp_msg->cqe));
- xa_unlock(&rnicp->qps);
- return;
- }
-
- if ((qhp->attr.state == IWCH_QP_STATE_ERROR) ||
- (qhp->attr.state == IWCH_QP_STATE_TERMINATE)) {
- pr_debug("%s AE received after RTS - qp state %d qpid 0x%x status 0x%x\n",
- __func__,
- qhp->attr.state, qhp->wq.qpid,
- CQE_STATUS(rsp_msg->cqe));
- xa_unlock(&rnicp->qps);
- return;
- }
-
- pr_err("%s - AE qpid 0x%x opcode %d status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x\n",
- __func__,
- CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
- CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
- CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
-
- atomic_inc(&qhp->refcnt);
- xa_unlock(&rnicp->qps);
-
- if (qhp->attr.state == IWCH_QP_STATE_RTS) {
- attrs.next_state = IWCH_QP_STATE_TERMINATE;
- iwch_modify_qp(qhp->rhp, qhp, IWCH_QP_ATTR_NEXT_STATE,
- &attrs, 1);
- if (send_term)
- iwch_post_terminate(qhp, rsp_msg);
- }
-
- event.event = ib_event;
- event.device = chp->ibcq.device;
- if (ib_event == IB_EVENT_CQ_ERR)
- event.element.cq = &chp->ibcq;
- else
- event.element.qp = &qhp->ibqp;
-
- if (qhp->ibqp.event_handler)
- (*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context);
-
- spin_lock_irqsave(&chp->comp_handler_lock, flag);
- (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
- spin_unlock_irqrestore(&chp->comp_handler_lock, flag);
-
- if (atomic_dec_and_test(&qhp->refcnt))
- wake_up(&qhp->wait);
-}
-
-void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb)
-{
- struct iwch_dev *rnicp;
- struct respQ_msg_t *rsp_msg = (struct respQ_msg_t *) skb->data;
- struct iwch_cq *chp;
- struct iwch_qp *qhp;
- u32 cqid = RSPQ_CQID(rsp_msg);
- unsigned long flag;
-
- rnicp = (struct iwch_dev *) rdev_p->ulp;
- xa_lock(&rnicp->qps);
- chp = get_chp(rnicp, cqid);
- qhp = xa_load(&rnicp->qps, CQE_QPID(rsp_msg->cqe));
- if (!chp || !qhp) {
- pr_err("BAD AE cqid 0x%x qpid 0x%x opcode %d status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x\n",
- cqid, CQE_QPID(rsp_msg->cqe),
- CQE_OPCODE(rsp_msg->cqe), CQE_STATUS(rsp_msg->cqe),
- CQE_TYPE(rsp_msg->cqe), CQE_WRID_HI(rsp_msg->cqe),
- CQE_WRID_LOW(rsp_msg->cqe));
- xa_unlock(&rnicp->qps);
- goto out;
- }
- iwch_qp_add_ref(&qhp->ibqp);
- atomic_inc(&chp->refcnt);
- xa_unlock(&rnicp->qps);
-
- /*
- * 1) completion of our sending a TERMINATE.
- * 2) incoming TERMINATE message.
- */
- if ((CQE_OPCODE(rsp_msg->cqe) == T3_TERMINATE) &&
- (CQE_STATUS(rsp_msg->cqe) == 0)) {
- if (SQ_TYPE(rsp_msg->cqe)) {
- pr_debug("%s QPID 0x%x ep %p disconnecting\n",
- __func__, qhp->wq.qpid, qhp->ep);
- iwch_ep_disconnect(qhp->ep, 0, GFP_ATOMIC);
- } else {
- pr_debug("%s post REQ_ERR AE QPID 0x%x\n", __func__,
- qhp->wq.qpid);
- post_qp_event(rnicp, chp, rsp_msg,
- IB_EVENT_QP_REQ_ERR, 0);
- iwch_ep_disconnect(qhp->ep, 0, GFP_ATOMIC);
- }
- goto done;
- }
-
- /* Bad incoming Read request */
- if (SQ_TYPE(rsp_msg->cqe) &&
- (CQE_OPCODE(rsp_msg->cqe) == T3_READ_RESP)) {
- post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_REQ_ERR, 1);
- goto done;
- }
-
- /* Bad incoming write */
- if (RQ_TYPE(rsp_msg->cqe) &&
- (CQE_OPCODE(rsp_msg->cqe) == T3_RDMA_WRITE)) {
- post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_REQ_ERR, 1);
- goto done;
- }
-
- switch (CQE_STATUS(rsp_msg->cqe)) {
-
- /* Completion Events */
- case TPT_ERR_SUCCESS:
-
- /*
- * Confirm the destination entry if this is a RECV completion.
- */
- if (qhp->ep && SQ_TYPE(rsp_msg->cqe))
- dst_confirm(qhp->ep->dst);
- spin_lock_irqsave(&chp->comp_handler_lock, flag);
- (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
- spin_unlock_irqrestore(&chp->comp_handler_lock, flag);
- break;
-
- case TPT_ERR_STAG:
- case TPT_ERR_PDID:
- case TPT_ERR_QPID:
- case TPT_ERR_ACCESS:
- case TPT_ERR_WRAP:
- case TPT_ERR_BOUND:
- case TPT_ERR_INVALIDATE_SHARED_MR:
- case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND:
- post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_ACCESS_ERR, 1);
- break;
-
- /* Device Fatal Errors */
- case TPT_ERR_ECC:
- case TPT_ERR_ECC_PSTAG:
- case TPT_ERR_INTERNAL_ERR:
- post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_DEVICE_FATAL, 1);
- break;
-
- /* QP Fatal Errors */
- case TPT_ERR_OUT_OF_RQE:
- case TPT_ERR_PBL_ADDR_BOUND:
- case TPT_ERR_CRC:
- case TPT_ERR_MARKER:
- case TPT_ERR_PDU_LEN_ERR:
- case TPT_ERR_DDP_VERSION:
- case TPT_ERR_RDMA_VERSION:
- case TPT_ERR_OPCODE:
- case TPT_ERR_DDP_QUEUE_NUM:
- case TPT_ERR_MSN:
- case TPT_ERR_TBIT:
- case TPT_ERR_MO:
- case TPT_ERR_MSN_GAP:
- case TPT_ERR_MSN_RANGE:
- case TPT_ERR_RQE_ADDR_BOUND:
- case TPT_ERR_IRD_OVERFLOW:
- post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_FATAL, 1);
- break;
-
- default:
- pr_err("Unknown T3 status 0x%x QPID 0x%x\n",
- CQE_STATUS(rsp_msg->cqe), qhp->wq.qpid);
- post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_FATAL, 1);
- break;
- }
-done:
- if (atomic_dec_and_test(&chp->refcnt))
- wake_up(&chp->wait);
- iwch_qp_rem_ref(&qhp->ibqp);
-out:
- dev_kfree_skb_irq(skb);
-}
deleted file mode 100644
@@ -1,101 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <linux/slab.h>
-#include <asm/byteorder.h>
-
-#include <rdma/iw_cm.h>
-#include <rdma/ib_verbs.h>
-
-#include "cxio_hal.h"
-#include "cxio_resource.h"
-#include "iwch.h"
-#include "iwch_provider.h"
-
-static int iwch_finish_mem_reg(struct iwch_mr *mhp, u32 stag)
-{
- u32 mmid;
-
- mhp->attr.state = 1;
- mhp->attr.stag = stag;
- mmid = stag >> 8;
- mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
- pr_debug("%s mmid 0x%x mhp %p\n", __func__, mmid, mhp);
- return xa_insert_irq(&mhp->rhp->mrs, mmid, mhp, GFP_KERNEL);
-}
-
-int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php,
- struct iwch_mr *mhp, int shift)
-{
- u32 stag;
- int ret;
-
- if (cxio_register_phys_mem(&rhp->rdev,
- &stag, mhp->attr.pdid,
- mhp->attr.perms,
- mhp->attr.zbva,
- mhp->attr.va_fbo,
- mhp->attr.len,
- shift - 12,
- mhp->attr.pbl_size, mhp->attr.pbl_addr))
- return -ENOMEM;
-
- ret = iwch_finish_mem_reg(mhp, stag);
- if (ret)
- cxio_dereg_mem(&rhp->rdev, mhp->attr.stag, mhp->attr.pbl_size,
- mhp->attr.pbl_addr);
- return ret;
-}
-
-int iwch_alloc_pbl(struct iwch_mr *mhp, int npages)
-{
- mhp->attr.pbl_addr = cxio_hal_pblpool_alloc(&mhp->rhp->rdev,
- npages << 3);
-
- if (!mhp->attr.pbl_addr)
- return -ENOMEM;
-
- mhp->attr.pbl_size = npages;
-
- return 0;
-}
-
-void iwch_free_pbl(struct iwch_mr *mhp)
-{
- cxio_hal_pblpool_free(&mhp->rhp->rdev, mhp->attr.pbl_addr,
- mhp->attr.pbl_size << 3);
-}
-
-int iwch_write_pbl(struct iwch_mr *mhp, __be64 *pages, int npages, int offset)
-{
- return cxio_write_pbl(&mhp->rhp->rdev, pages,
- mhp->attr.pbl_addr + (offset << 3), npages);
-}
deleted file mode 100644
@@ -1,1321 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/list.h>
-#include <linux/sched/mm.h>
-#include <linux/spinlock.h>
-#include <linux/ethtool.h>
-#include <linux/rtnetlink.h>
-#include <linux/inetdevice.h>
-#include <linux/slab.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/byteorder.h>
-
-#include <rdma/iw_cm.h>
-#include <rdma/ib_verbs.h>
-#include <rdma/ib_smi.h>
-#include <rdma/ib_umem.h>
-#include <rdma/ib_user_verbs.h>
-#include <rdma/uverbs_ioctl.h>
-
-#include "cxio_hal.h"
-#include "iwch.h"
-#include "iwch_provider.h"
-#include "iwch_cm.h"
-#include <rdma/cxgb3-abi.h>
-#include "common.h"
-
-static void iwch_dealloc_ucontext(struct ib_ucontext *context)
-{
- struct iwch_dev *rhp = to_iwch_dev(context->device);
- struct iwch_ucontext *ucontext = to_iwch_ucontext(context);
- struct iwch_mm_entry *mm, *tmp;
-
- pr_debug("%s context %p\n", __func__, context);
- list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry)
- kfree(mm);
- cxio_release_ucontext(&rhp->rdev, &ucontext->uctx);
-}
-
-static int iwch_alloc_ucontext(struct ib_ucontext *ucontext,
- struct ib_udata *udata)
-{
- struct ib_device *ibdev = ucontext->device;
- struct iwch_ucontext *context = to_iwch_ucontext(ucontext);
- struct iwch_dev *rhp = to_iwch_dev(ibdev);
-
- pr_debug("%s ibdev %p\n", __func__, ibdev);
- cxio_init_ucontext(&rhp->rdev, &context->uctx);
- INIT_LIST_HEAD(&context->mmaps);
- spin_lock_init(&context->mmap_lock);
- return 0;
-}
-
-static void iwch_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
-{
- struct iwch_cq *chp;
-
- pr_debug("%s ib_cq %p\n", __func__, ib_cq);
- chp = to_iwch_cq(ib_cq);
-
- xa_erase_irq(&chp->rhp->cqs, chp->cq.cqid);
- atomic_dec(&chp->refcnt);
- wait_event(chp->wait, !atomic_read(&chp->refcnt));
-
- cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
-}
-
-static int iwch_create_cq(struct ib_cq *ibcq,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
-{
- struct ib_device *ibdev = ibcq->device;
- int entries = attr->cqe;
- struct iwch_dev *rhp = to_iwch_dev(ibcq->device);
- struct iwch_cq *chp = to_iwch_cq(ibcq);
- struct iwch_create_cq_resp uresp;
- struct iwch_create_cq_req ureq;
- static int warned;
- size_t resplen;
-
- pr_debug("%s ib_dev %p entries %d\n", __func__, ibdev, entries);
- if (attr->flags)
- return -EINVAL;
-
- if (udata) {
- if (!t3a_device(rhp)) {
- if (ib_copy_from_udata(&ureq, udata, sizeof(ureq)))
- return -EFAULT;
-
- chp->user_rptr_addr = (u32 __user *)(unsigned long)ureq.user_rptr_addr;
- }
- }
-
- if (t3a_device(rhp)) {
-
- /*
- * T3A: Add some fluff to handle extra CQEs inserted
- * for various errors.
- * Additional CQE possibilities:
- * TERMINATE,
- * incoming RDMA WRITE Failures
- * incoming RDMA READ REQUEST FAILUREs
- * NOTE: We cannot ensure the CQ won't overflow.
- */
- entries += 16;
- }
- entries = roundup_pow_of_two(entries);
- chp->cq.size_log2 = ilog2(entries);
-
- if (cxio_create_cq(&rhp->rdev, &chp->cq, !udata))
- return -ENOMEM;
-
- chp->rhp = rhp;
- chp->ibcq.cqe = 1 << chp->cq.size_log2;
- spin_lock_init(&chp->lock);
- spin_lock_init(&chp->comp_handler_lock);
- atomic_set(&chp->refcnt, 1);
- init_waitqueue_head(&chp->wait);
- if (xa_store_irq(&rhp->cqs, chp->cq.cqid, chp, GFP_KERNEL)) {
- cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
- return -ENOMEM;
- }
-
- if (udata) {
- struct iwch_mm_entry *mm;
- struct iwch_ucontext *ucontext = rdma_udata_to_drv_context(
- udata, struct iwch_ucontext, ibucontext);
-
- mm = kmalloc(sizeof(*mm), GFP_KERNEL);
- if (!mm) {
- iwch_destroy_cq(&chp->ibcq, udata);
- return -ENOMEM;
- }
- uresp.cqid = chp->cq.cqid;
- uresp.size_log2 = chp->cq.size_log2;
- spin_lock(&ucontext->mmap_lock);
- uresp.key = ucontext->key;
- ucontext->key += PAGE_SIZE;
- spin_unlock(&ucontext->mmap_lock);
- mm->key = uresp.key;
- mm->addr = virt_to_phys(chp->cq.queue);
- if (udata->outlen < sizeof(uresp)) {
- if (!warned++)
- pr_warn("Warning - downlevel libcxgb3 (non-fatal)\n");
- mm->len = PAGE_ALIGN((1UL << uresp.size_log2) *
- sizeof(struct t3_cqe));
- resplen = sizeof(struct iwch_create_cq_resp_v0);
- } else {
- mm->len = PAGE_ALIGN(((1UL << uresp.size_log2) + 1) *
- sizeof(struct t3_cqe));
- uresp.memsize = mm->len;
- uresp.reserved = 0;
- resplen = sizeof(uresp);
- }
- if (ib_copy_to_udata(udata, &uresp, resplen)) {
- kfree(mm);
- iwch_destroy_cq(&chp->ibcq, udata);
- return -EFAULT;
- }
- insert_mmap(ucontext, mm);
- }
- pr_debug("created cqid 0x%0x chp %p size 0x%0x, dma_addr %pad\n",
- chp->cq.cqid, chp, (1 << chp->cq.size_log2),
- &chp->cq.dma_addr);
- return 0;
-}
-
-static int iwch_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
-{
- struct iwch_dev *rhp;
- struct iwch_cq *chp;
- enum t3_cq_opcode cq_op;
- int err;
- unsigned long flag;
- u32 rptr;
-
- chp = to_iwch_cq(ibcq);
- rhp = chp->rhp;
- if ((flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED)
- cq_op = CQ_ARM_SE;
- else
- cq_op = CQ_ARM_AN;
- if (chp->user_rptr_addr) {
- if (get_user(rptr, chp->user_rptr_addr))
- return -EFAULT;
- spin_lock_irqsave(&chp->lock, flag);
- chp->cq.rptr = rptr;
- } else
- spin_lock_irqsave(&chp->lock, flag);
- pr_debug("%s rptr 0x%x\n", __func__, chp->cq.rptr);
- err = cxio_hal_cq_op(&rhp->rdev, &chp->cq, cq_op, 0);
- spin_unlock_irqrestore(&chp->lock, flag);
- if (err < 0)
- pr_err("Error %d rearming CQID 0x%x\n", err, chp->cq.cqid);
- if (err > 0 && !(flags & IB_CQ_REPORT_MISSED_EVENTS))
- err = 0;
- return err;
-}
-
-static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
-{
- int len = vma->vm_end - vma->vm_start;
- u32 key = vma->vm_pgoff << PAGE_SHIFT;
- struct cxio_rdev *rdev_p;
- int ret = 0;
- struct iwch_mm_entry *mm;
- struct iwch_ucontext *ucontext;
- u64 addr;
-
- pr_debug("%s pgoff 0x%lx key 0x%x len %d\n", __func__, vma->vm_pgoff,
- key, len);
-
- if (vma->vm_start & (PAGE_SIZE-1)) {
- return -EINVAL;
- }
-
- rdev_p = &(to_iwch_dev(context->device)->rdev);
- ucontext = to_iwch_ucontext(context);
-
- mm = remove_mmap(ucontext, key, len);
- if (!mm)
- return -EINVAL;
- addr = mm->addr;
- kfree(mm);
-
- if ((addr >= rdev_p->rnic_info.udbell_physbase) &&
- (addr < (rdev_p->rnic_info.udbell_physbase +
- rdev_p->rnic_info.udbell_len))) {
-
- /*
- * Map T3 DB register.
- */
- if (vma->vm_flags & VM_READ) {
- return -EPERM;
- }
-
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
- vma->vm_flags &= ~VM_MAYREAD;
- ret = io_remap_pfn_range(vma, vma->vm_start,
- addr >> PAGE_SHIFT,
- len, vma->vm_page_prot);
- } else {
-
- /*
- * Map WQ or CQ contig dma memory...
- */
- ret = remap_pfn_range(vma, vma->vm_start,
- addr >> PAGE_SHIFT,
- len, vma->vm_page_prot);
- }
-
- return ret;
-}
-
-static void iwch_deallocate_pd(struct ib_pd *pd, struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_pd *php;
-
- php = to_iwch_pd(pd);
- rhp = php->rhp;
- pr_debug("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid);
- cxio_hal_put_pdid(rhp->rdev.rscp, php->pdid);
-}
-
-static int iwch_allocate_pd(struct ib_pd *pd, struct ib_udata *udata)
-{
- struct iwch_pd *php = to_iwch_pd(pd);
- struct ib_device *ibdev = pd->device;
- u32 pdid;
- struct iwch_dev *rhp;
-
- pr_debug("%s ibdev %p\n", __func__, ibdev);
- rhp = (struct iwch_dev *) ibdev;
- pdid = cxio_hal_get_pdid(rhp->rdev.rscp);
- if (!pdid)
- return -EINVAL;
-
- php->pdid = pdid;
- php->rhp = rhp;
- if (udata) {
- struct iwch_alloc_pd_resp resp = {.pdid = php->pdid};
-
- if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
- iwch_deallocate_pd(&php->ibpd, udata);
- return -EFAULT;
- }
- }
- pr_debug("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php);
- return 0;
-}
-
-static int iwch_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_mr *mhp;
- u32 mmid;
-
- pr_debug("%s ib_mr %p\n", __func__, ib_mr);
-
- mhp = to_iwch_mr(ib_mr);
- kfree(mhp->pages);
- rhp = mhp->rhp;
- mmid = mhp->attr.stag >> 8;
- cxio_dereg_mem(&rhp->rdev, mhp->attr.stag, mhp->attr.pbl_size,
- mhp->attr.pbl_addr);
- iwch_free_pbl(mhp);
- xa_erase_irq(&rhp->mrs, mmid);
- if (mhp->kva)
- kfree((void *) (unsigned long) mhp->kva);
- ib_umem_release(mhp->umem);
- pr_debug("%s mmid 0x%x ptr %p\n", __func__, mmid, mhp);
- kfree(mhp);
- return 0;
-}
-
-static struct ib_mr *iwch_get_dma_mr(struct ib_pd *pd, int acc)
-{
- const u64 total_size = 0xffffffff;
- const u64 mask = (total_size + PAGE_SIZE - 1) & PAGE_MASK;
- struct iwch_pd *php = to_iwch_pd(pd);
- struct iwch_dev *rhp = php->rhp;
- struct iwch_mr *mhp;
- __be64 *page_list;
- int shift = 26, npages, ret, i;
-
- pr_debug("%s ib_pd %p\n", __func__, pd);
-
- /*
- * T3 only supports 32 bits of size.
- */
- if (sizeof(phys_addr_t) > 4) {
- pr_warn_once("Cannot support dma_mrs on this platform\n");
- return ERR_PTR(-ENOTSUPP);
- }
-
- mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
- if (!mhp)
- return ERR_PTR(-ENOMEM);
-
- mhp->rhp = rhp;
-
- npages = (total_size + (1ULL << shift) - 1) >> shift;
- if (!npages) {
- ret = -EINVAL;
- goto err;
- }
-
- page_list = kmalloc_array(npages, sizeof(u64), GFP_KERNEL);
- if (!page_list) {
- ret = -ENOMEM;
- goto err;
- }
-
- for (i = 0; i < npages; i++)
- page_list[i] = cpu_to_be64((u64)i << shift);
-
- pr_debug("%s mask 0x%llx shift %d len %lld pbl_size %d\n",
- __func__, mask, shift, total_size, npages);
-
- ret = iwch_alloc_pbl(mhp, npages);
- if (ret) {
- kfree(page_list);
- goto err_pbl;
- }
-
- ret = iwch_write_pbl(mhp, page_list, npages, 0);
- kfree(page_list);
- if (ret)
- goto err_pbl;
-
- mhp->attr.pdid = php->pdid;
- mhp->attr.zbva = 0;
-
- mhp->attr.perms = iwch_ib_to_tpt_access(acc);
- mhp->attr.va_fbo = 0;
- mhp->attr.page_size = shift - 12;
-
- mhp->attr.len = (u32) total_size;
- mhp->attr.pbl_size = npages;
- ret = iwch_register_mem(rhp, php, mhp, shift);
- if (ret)
- goto err_pbl;
-
- return &mhp->ibmr;
-
-err_pbl:
- iwch_free_pbl(mhp);
-
-err:
- kfree(mhp);
- return ERR_PTR(ret);
-}
-
-static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
- u64 virt, int acc, struct ib_udata *udata)
-{
- __be64 *pages;
- int shift, n, i;
- int err = 0;
- struct iwch_dev *rhp;
- struct iwch_pd *php;
- struct iwch_mr *mhp;
- struct iwch_reg_user_mr_resp uresp;
- struct sg_dma_page_iter sg_iter;
- pr_debug("%s ib_pd %p\n", __func__, pd);
-
- php = to_iwch_pd(pd);
- rhp = php->rhp;
- mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
- if (!mhp)
- return ERR_PTR(-ENOMEM);
-
- mhp->rhp = rhp;
-
- mhp->umem = ib_umem_get(udata, start, length, acc);
- if (IS_ERR(mhp->umem)) {
- err = PTR_ERR(mhp->umem);
- kfree(mhp);
- return ERR_PTR(err);
- }
-
- shift = PAGE_SHIFT;
-
- n = ib_umem_num_pages(mhp->umem);
-
- err = iwch_alloc_pbl(mhp, n);
- if (err)
- goto err;
-
- pages = (__be64 *) __get_free_page(GFP_KERNEL);
- if (!pages) {
- err = -ENOMEM;
- goto err_pbl;
- }
-
- i = n = 0;
-
- for_each_sg_dma_page(mhp->umem->sg_head.sgl, &sg_iter, mhp->umem->nmap, 0) {
- pages[i++] = cpu_to_be64(sg_page_iter_dma_address(&sg_iter));
- if (i == PAGE_SIZE / sizeof(*pages)) {
- err = iwch_write_pbl(mhp, pages, i, n);
- if (err)
- goto pbl_done;
- n += i;
- i = 0;
- }
- }
-
- if (i)
- err = iwch_write_pbl(mhp, pages, i, n);
-
-pbl_done:
- free_page((unsigned long) pages);
- if (err)
- goto err_pbl;
-
- mhp->attr.pdid = php->pdid;
- mhp->attr.zbva = 0;
- mhp->attr.perms = iwch_ib_to_tpt_access(acc);
- mhp->attr.va_fbo = virt;
- mhp->attr.page_size = shift - 12;
- mhp->attr.len = (u32) length;
-
- err = iwch_register_mem(rhp, php, mhp, shift);
- if (err)
- goto err_pbl;
-
- if (udata && !t3a_device(rhp)) {
- uresp.pbl_addr = (mhp->attr.pbl_addr -
- rhp->rdev.rnic_info.pbl_base) >> 3;
- pr_debug("%s user resp pbl_addr 0x%x\n", __func__,
- uresp.pbl_addr);
-
- if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
- iwch_dereg_mr(&mhp->ibmr, udata);
- err = -EFAULT;
- goto err;
- }
- }
-
- return &mhp->ibmr;
-
-err_pbl:
- iwch_free_pbl(mhp);
-
-err:
- ib_umem_release(mhp->umem);
- kfree(mhp);
- return ERR_PTR(err);
-}
-
-static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
- struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_pd *php;
- struct iwch_mw *mhp;
- u32 mmid;
- u32 stag = 0;
- int ret;
-
- if (type != IB_MW_TYPE_1)
- return ERR_PTR(-EINVAL);
-
- php = to_iwch_pd(pd);
- rhp = php->rhp;
- mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
- if (!mhp)
- return ERR_PTR(-ENOMEM);
- ret = cxio_allocate_window(&rhp->rdev, &stag, php->pdid);
- if (ret) {
- kfree(mhp);
- return ERR_PTR(ret);
- }
- mhp->rhp = rhp;
- mhp->attr.pdid = php->pdid;
- mhp->attr.type = TPT_MW;
- mhp->attr.stag = stag;
- mmid = (stag) >> 8;
- mhp->ibmw.rkey = stag;
- if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) {
- cxio_deallocate_window(&rhp->rdev, mhp->attr.stag);
- kfree(mhp);
- return ERR_PTR(-ENOMEM);
- }
- pr_debug("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
- return &(mhp->ibmw);
-}
-
-static int iwch_dealloc_mw(struct ib_mw *mw)
-{
- struct iwch_dev *rhp;
- struct iwch_mw *mhp;
- u32 mmid;
-
- mhp = to_iwch_mw(mw);
- rhp = mhp->rhp;
- mmid = (mw->rkey) >> 8;
- cxio_deallocate_window(&rhp->rdev, mhp->attr.stag);
- xa_erase_irq(&rhp->mrs, mmid);
- pr_debug("%s ib_mw %p mmid 0x%x ptr %p\n", __func__, mw, mmid, mhp);
- kfree(mhp);
- return 0;
-}
-
-static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg, struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_pd *php;
- struct iwch_mr *mhp;
- u32 mmid;
- u32 stag = 0;
- int ret = -ENOMEM;
-
- if (mr_type != IB_MR_TYPE_MEM_REG ||
- max_num_sg > T3_MAX_FASTREG_DEPTH)
- return ERR_PTR(-EINVAL);
-
- php = to_iwch_pd(pd);
- rhp = php->rhp;
- mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
- if (!mhp)
- goto err;
-
- mhp->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL);
- if (!mhp->pages)
- goto pl_err;
-
- mhp->rhp = rhp;
- ret = iwch_alloc_pbl(mhp, max_num_sg);
- if (ret)
- goto err1;
- mhp->attr.pbl_size = max_num_sg;
- ret = cxio_allocate_stag(&rhp->rdev, &stag, php->pdid,
- mhp->attr.pbl_size, mhp->attr.pbl_addr);
- if (ret)
- goto err2;
- mhp->attr.pdid = php->pdid;
- mhp->attr.type = TPT_NON_SHARED_MR;
- mhp->attr.stag = stag;
- mhp->attr.state = 1;
- mmid = (stag) >> 8;
- mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
- ret = xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL);
- if (ret)
- goto err3;
-
- pr_debug("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
- return &(mhp->ibmr);
-err3:
- cxio_dereg_mem(&rhp->rdev, stag, mhp->attr.pbl_size,
- mhp->attr.pbl_addr);
-err2:
- iwch_free_pbl(mhp);
-err1:
- kfree(mhp->pages);
-pl_err:
- kfree(mhp);
-err:
- return ERR_PTR(ret);
-}
-
-static int iwch_set_page(struct ib_mr *ibmr, u64 addr)
-{
- struct iwch_mr *mhp = to_iwch_mr(ibmr);
-
- if (unlikely(mhp->npages == mhp->attr.pbl_size))
- return -ENOMEM;
-
- mhp->pages[mhp->npages++] = addr;
-
- return 0;
-}
-
-static int iwch_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
- int sg_nents, unsigned int *sg_offset)
-{
- struct iwch_mr *mhp = to_iwch_mr(ibmr);
-
- mhp->npages = 0;
-
- return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, iwch_set_page);
-}
-
-static int iwch_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_qp *qhp;
- struct iwch_qp_attributes attrs;
- struct iwch_ucontext *ucontext;
-
- qhp = to_iwch_qp(ib_qp);
- rhp = qhp->rhp;
-
- attrs.next_state = IWCH_QP_STATE_ERROR;
- iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0);
- wait_event(qhp->wait, !qhp->ep);
-
- xa_erase_irq(&rhp->qps, qhp->wq.qpid);
-
- atomic_dec(&qhp->refcnt);
- wait_event(qhp->wait, !atomic_read(&qhp->refcnt));
-
- ucontext = rdma_udata_to_drv_context(udata, struct iwch_ucontext,
- ibucontext);
- cxio_destroy_qp(&rhp->rdev, &qhp->wq,
- ucontext ? &ucontext->uctx : &rhp->rdev.uctx);
-
- pr_debug("%s ib_qp %p qpid 0x%0x qhp %p\n", __func__,
- ib_qp, qhp->wq.qpid, qhp);
- kfree(qhp);
- return 0;
-}
-
-static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
- struct ib_qp_init_attr *attrs,
- struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_qp *qhp;
- struct iwch_pd *php;
- struct iwch_cq *schp;
- struct iwch_cq *rchp;
- struct iwch_create_qp_resp uresp;
- int wqsize, sqsize, rqsize;
- struct iwch_ucontext *ucontext;
-
- pr_debug("%s ib_pd %p\n", __func__, pd);
- if (attrs->qp_type != IB_QPT_RC)
- return ERR_PTR(-EINVAL);
- php = to_iwch_pd(pd);
- rhp = php->rhp;
- schp = get_chp(rhp, ((struct iwch_cq *) attrs->send_cq)->cq.cqid);
- rchp = get_chp(rhp, ((struct iwch_cq *) attrs->recv_cq)->cq.cqid);
- if (!schp || !rchp)
- return ERR_PTR(-EINVAL);
-
- /* The RQT size must be # of entries + 1 rounded up to a power of two */
- rqsize = roundup_pow_of_two(attrs->cap.max_recv_wr);
- if (rqsize == attrs->cap.max_recv_wr)
- rqsize = roundup_pow_of_two(attrs->cap.max_recv_wr+1);
-
- /* T3 doesn't support RQT depth < 16 */
- if (rqsize < 16)
- rqsize = 16;
-
- if (rqsize > T3_MAX_RQ_SIZE)
- return ERR_PTR(-EINVAL);
-
- if (attrs->cap.max_inline_data > T3_MAX_INLINE)
- return ERR_PTR(-EINVAL);
-
- /*
- * NOTE: The SQ and total WQ sizes don't need to be
- * a power of two. However, all the code assumes
- * they are. EG: Q_FREECNT() and friends.
- */
- sqsize = roundup_pow_of_two(attrs->cap.max_send_wr);
- wqsize = roundup_pow_of_two(rqsize + sqsize);
-
- /*
- * Kernel users need more wq space for fastreg WRs which can take
- * 2 WR fragments.
- */
- ucontext = rdma_udata_to_drv_context(udata, struct iwch_ucontext,
- ibucontext);
- if (!ucontext && wqsize < (rqsize + (2 * sqsize)))
- wqsize = roundup_pow_of_two(rqsize +
- roundup_pow_of_two(attrs->cap.max_send_wr * 2));
- pr_debug("%s wqsize %d sqsize %d rqsize %d\n", __func__,
- wqsize, sqsize, rqsize);
- qhp = kzalloc(sizeof(*qhp), GFP_KERNEL);
- if (!qhp)
- return ERR_PTR(-ENOMEM);
- qhp->wq.size_log2 = ilog2(wqsize);
- qhp->wq.rq_size_log2 = ilog2(rqsize);
- qhp->wq.sq_size_log2 = ilog2(sqsize);
- if (cxio_create_qp(&rhp->rdev, !udata, &qhp->wq,
- ucontext ? &ucontext->uctx : &rhp->rdev.uctx)) {
- kfree(qhp);
- return ERR_PTR(-ENOMEM);
- }
-
- attrs->cap.max_recv_wr = rqsize - 1;
- attrs->cap.max_send_wr = sqsize;
- attrs->cap.max_inline_data = T3_MAX_INLINE;
-
- qhp->rhp = rhp;
- qhp->attr.pd = php->pdid;
- qhp->attr.scq = ((struct iwch_cq *) attrs->send_cq)->cq.cqid;
- qhp->attr.rcq = ((struct iwch_cq *) attrs->recv_cq)->cq.cqid;
- qhp->attr.sq_num_entries = attrs->cap.max_send_wr;
- qhp->attr.rq_num_entries = attrs->cap.max_recv_wr;
- qhp->attr.sq_max_sges = attrs->cap.max_send_sge;
- qhp->attr.sq_max_sges_rdma_write = attrs->cap.max_send_sge;
- qhp->attr.rq_max_sges = attrs->cap.max_recv_sge;
- qhp->attr.state = IWCH_QP_STATE_IDLE;
- qhp->attr.next_state = IWCH_QP_STATE_IDLE;
-
- /*
- * XXX - These don't get passed in from the openib user
- * at create time. The CM sets them via a QP modify.
- * Need to fix... I think the CM should
- */
- qhp->attr.enable_rdma_read = 1;
- qhp->attr.enable_rdma_write = 1;
- qhp->attr.enable_bind = 1;
- qhp->attr.max_ord = 1;
- qhp->attr.max_ird = 1;
-
- spin_lock_init(&qhp->lock);
- init_waitqueue_head(&qhp->wait);
- atomic_set(&qhp->refcnt, 1);
-
- if (xa_store_irq(&rhp->qps, qhp->wq.qpid, qhp, GFP_KERNEL)) {
- cxio_destroy_qp(&rhp->rdev, &qhp->wq,
- ucontext ? &ucontext->uctx : &rhp->rdev.uctx);
- kfree(qhp);
- return ERR_PTR(-ENOMEM);
- }
-
- if (udata) {
-
- struct iwch_mm_entry *mm1, *mm2;
-
- mm1 = kmalloc(sizeof(*mm1), GFP_KERNEL);
- if (!mm1) {
- iwch_destroy_qp(&qhp->ibqp, udata);
- return ERR_PTR(-ENOMEM);
- }
-
- mm2 = kmalloc(sizeof(*mm2), GFP_KERNEL);
- if (!mm2) {
- kfree(mm1);
- iwch_destroy_qp(&qhp->ibqp, udata);
- return ERR_PTR(-ENOMEM);
- }
-
- uresp.qpid = qhp->wq.qpid;
- uresp.size_log2 = qhp->wq.size_log2;
- uresp.sq_size_log2 = qhp->wq.sq_size_log2;
- uresp.rq_size_log2 = qhp->wq.rq_size_log2;
- spin_lock(&ucontext->mmap_lock);
- uresp.key = ucontext->key;
- ucontext->key += PAGE_SIZE;
- uresp.db_key = ucontext->key;
- ucontext->key += PAGE_SIZE;
- spin_unlock(&ucontext->mmap_lock);
- if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
- kfree(mm1);
- kfree(mm2);
- iwch_destroy_qp(&qhp->ibqp, udata);
- return ERR_PTR(-EFAULT);
- }
- mm1->key = uresp.key;
- mm1->addr = virt_to_phys(qhp->wq.queue);
- mm1->len = PAGE_ALIGN(wqsize * sizeof(union t3_wr));
- insert_mmap(ucontext, mm1);
- mm2->key = uresp.db_key;
- mm2->addr = qhp->wq.udb & PAGE_MASK;
- mm2->len = PAGE_SIZE;
- insert_mmap(ucontext, mm2);
- }
- qhp->ibqp.qp_num = qhp->wq.qpid;
- pr_debug(
- "%s sq_num_entries %d, rq_num_entries %d qpid 0x%0x qhp %p dma_addr %pad size %d rq_addr 0x%x\n",
- __func__, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries,
- qhp->wq.qpid, qhp, &qhp->wq.dma_addr, 1 << qhp->wq.size_log2,
- qhp->wq.rq_addr);
- return &qhp->ibqp;
-}
-
-static int iwch_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
- int attr_mask, struct ib_udata *udata)
-{
- struct iwch_dev *rhp;
- struct iwch_qp *qhp;
- enum iwch_qp_attr_mask mask = 0;
- struct iwch_qp_attributes attrs = {};
-
- pr_debug("%s ib_qp %p\n", __func__, ibqp);
-
- /* iwarp does not support the RTR state */
- if ((attr_mask & IB_QP_STATE) && (attr->qp_state == IB_QPS_RTR))
- attr_mask &= ~IB_QP_STATE;
-
- /* Make sure we still have something left to do */
- if (!attr_mask)
- return 0;
-
- qhp = to_iwch_qp(ibqp);
- rhp = qhp->rhp;
-
- attrs.next_state = iwch_convert_state(attr->qp_state);
- attrs.enable_rdma_read = (attr->qp_access_flags &
- IB_ACCESS_REMOTE_READ) ? 1 : 0;
- attrs.enable_rdma_write = (attr->qp_access_flags &
- IB_ACCESS_REMOTE_WRITE) ? 1 : 0;
- attrs.enable_bind = (attr->qp_access_flags & IB_ACCESS_MW_BIND) ? 1 : 0;
-
-
- mask |= (attr_mask & IB_QP_STATE) ? IWCH_QP_ATTR_NEXT_STATE : 0;
- mask |= (attr_mask & IB_QP_ACCESS_FLAGS) ?
- (IWCH_QP_ATTR_ENABLE_RDMA_READ |
- IWCH_QP_ATTR_ENABLE_RDMA_WRITE |
- IWCH_QP_ATTR_ENABLE_RDMA_BIND) : 0;
-
- return iwch_modify_qp(rhp, qhp, mask, &attrs, 0);
-}
-
-void iwch_qp_add_ref(struct ib_qp *qp)
-{
- pr_debug("%s ib_qp %p\n", __func__, qp);
- atomic_inc(&(to_iwch_qp(qp)->refcnt));
-}
-
-void iwch_qp_rem_ref(struct ib_qp *qp)
-{
- pr_debug("%s ib_qp %p\n", __func__, qp);
- if (atomic_dec_and_test(&(to_iwch_qp(qp)->refcnt)))
- wake_up(&(to_iwch_qp(qp)->wait));
-}
-
-static struct ib_qp *iwch_get_qp(struct ib_device *dev, int qpn)
-{
- pr_debug("%s ib_dev %p qpn 0x%x\n", __func__, dev, qpn);
- return (struct ib_qp *)get_qhp(to_iwch_dev(dev), qpn);
-}
-
-
-static int iwch_query_pkey(struct ib_device *ibdev,
- u8 port, u16 index, u16 * pkey)
-{
- pr_debug("%s ibdev %p\n", __func__, ibdev);
- *pkey = 0;
- return 0;
-}
-
-static int iwch_query_gid(struct ib_device *ibdev, u8 port,
- int index, union ib_gid *gid)
-{
- struct iwch_dev *dev;
-
- pr_debug("%s ibdev %p, port %d, index %d, gid %p\n",
- __func__, ibdev, port, index, gid);
- dev = to_iwch_dev(ibdev);
- BUG_ON(port == 0 || port > 2);
- memset(&(gid->raw[0]), 0, sizeof(gid->raw));
- memcpy(&(gid->raw[0]), dev->rdev.port_info.lldevs[port-1]->dev_addr, 6);
- return 0;
-}
-
-static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
-{
- struct ethtool_drvinfo info;
- struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
- char *cp, *next;
- unsigned fw_maj, fw_min, fw_mic;
-
- lldev->ethtool_ops->get_drvinfo(lldev, &info);
-
- next = info.fw_version + 1;
- cp = strsep(&next, ".");
- sscanf(cp, "%i", &fw_maj);
- cp = strsep(&next, ".");
- sscanf(cp, "%i", &fw_min);
- cp = strsep(&next, ".");
- sscanf(cp, "%i", &fw_mic);
-
- return (((u64)fw_maj & 0xffff) << 32) | ((fw_min & 0xffff) << 16) |
- (fw_mic & 0xffff);
-}
-
-static int iwch_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
- struct ib_udata *uhw)
-{
-
- struct iwch_dev *dev;
-
- pr_debug("%s ibdev %p\n", __func__, ibdev);
-
- if (uhw->inlen || uhw->outlen)
- return -EINVAL;
-
- dev = to_iwch_dev(ibdev);
- memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
- props->hw_ver = dev->rdev.t3cdev_p->type;
- props->fw_ver = fw_vers_string_to_u64(dev);
- props->device_cap_flags = dev->device_cap_flags;
- props->page_size_cap = dev->attr.mem_pgsizes_bitmask;
- props->vendor_id = (u32)dev->rdev.rnic_info.pdev->vendor;
- props->vendor_part_id = (u32)dev->rdev.rnic_info.pdev->device;
- props->max_mr_size = dev->attr.max_mr_size;
- props->max_qp = dev->attr.max_qps;
- props->max_qp_wr = dev->attr.max_wrs;
- props->max_send_sge = dev->attr.max_sge_per_wr;
- props->max_recv_sge = dev->attr.max_sge_per_wr;
- props->max_sge_rd = 1;
- props->max_qp_rd_atom = dev->attr.max_rdma_reads_per_qp;
- props->max_qp_init_rd_atom = dev->attr.max_rdma_reads_per_qp;
- props->max_cq = dev->attr.max_cqs;
- props->max_cqe = dev->attr.max_cqes_per_cq;
- props->max_mr = dev->attr.max_mem_regs;
- props->max_pd = dev->attr.max_pds;
- props->local_ca_ack_delay = 0;
- props->max_fast_reg_page_list_len = T3_MAX_FASTREG_DEPTH;
-
- return 0;
-}
-
-static int iwch_query_port(struct ib_device *ibdev,
- u8 port, struct ib_port_attr *props)
-{
- pr_debug("%s ibdev %p\n", __func__, ibdev);
-
- props->port_cap_flags =
- IB_PORT_CM_SUP |
- IB_PORT_SNMP_TUNNEL_SUP |
- IB_PORT_REINIT_SUP |
- IB_PORT_DEVICE_MGMT_SUP |
- IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
- props->gid_tbl_len = 1;
- props->pkey_tbl_len = 1;
- props->active_width = 2;
- props->active_speed = IB_SPEED_DDR;
- props->max_msg_sz = -1;
-
- return 0;
-}
-
-static ssize_t hw_rev_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct iwch_dev *iwch_dev =
- rdma_device_to_drv_device(dev, struct iwch_dev, ibdev);
-
- pr_debug("%s dev 0x%p\n", __func__, dev);
- return sprintf(buf, "%d\n", iwch_dev->rdev.t3cdev_p->type);
-}
-static DEVICE_ATTR_RO(hw_rev);
-
-static ssize_t hca_type_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct iwch_dev *iwch_dev =
- rdma_device_to_drv_device(dev, struct iwch_dev, ibdev);
- struct ethtool_drvinfo info;
- struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
-
- pr_debug("%s dev 0x%p\n", __func__, dev);
- lldev->ethtool_ops->get_drvinfo(lldev, &info);
- return sprintf(buf, "%s\n", info.driver);
-}
-static DEVICE_ATTR_RO(hca_type);
-
-static ssize_t board_id_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct iwch_dev *iwch_dev =
- rdma_device_to_drv_device(dev, struct iwch_dev, ibdev);
-
- pr_debug("%s dev 0x%p\n", __func__, dev);
- return sprintf(buf, "%x.%x\n", iwch_dev->rdev.rnic_info.pdev->vendor,
- iwch_dev->rdev.rnic_info.pdev->device);
-}
-static DEVICE_ATTR_RO(board_id);
-
-enum counters {
- IPINRECEIVES,
- IPINHDRERRORS,
- IPINADDRERRORS,
- IPINUNKNOWNPROTOS,
- IPINDISCARDS,
- IPINDELIVERS,
- IPOUTREQUESTS,
- IPOUTDISCARDS,
- IPOUTNOROUTES,
- IPREASMTIMEOUT,
- IPREASMREQDS,
- IPREASMOKS,
- IPREASMFAILS,
- TCPACTIVEOPENS,
- TCPPASSIVEOPENS,
- TCPATTEMPTFAILS,
- TCPESTABRESETS,
- TCPCURRESTAB,
- TCPINSEGS,
- TCPOUTSEGS,
- TCPRETRANSSEGS,
- TCPINERRS,
- TCPOUTRSTS,
- TCPRTOMIN,
- TCPRTOMAX,
- NR_COUNTERS
-};
-
-static const char * const names[] = {
- [IPINRECEIVES] = "ipInReceives",
- [IPINHDRERRORS] = "ipInHdrErrors",
- [IPINADDRERRORS] = "ipInAddrErrors",
- [IPINUNKNOWNPROTOS] = "ipInUnknownProtos",
- [IPINDISCARDS] = "ipInDiscards",
- [IPINDELIVERS] = "ipInDelivers",
- [IPOUTREQUESTS] = "ipOutRequests",
- [IPOUTDISCARDS] = "ipOutDiscards",
- [IPOUTNOROUTES] = "ipOutNoRoutes",
- [IPREASMTIMEOUT] = "ipReasmTimeout",
- [IPREASMREQDS] = "ipReasmReqds",
- [IPREASMOKS] = "ipReasmOKs",
- [IPREASMFAILS] = "ipReasmFails",
- [TCPACTIVEOPENS] = "tcpActiveOpens",
- [TCPPASSIVEOPENS] = "tcpPassiveOpens",
- [TCPATTEMPTFAILS] = "tcpAttemptFails",
- [TCPESTABRESETS] = "tcpEstabResets",
- [TCPCURRESTAB] = "tcpCurrEstab",
- [TCPINSEGS] = "tcpInSegs",
- [TCPOUTSEGS] = "tcpOutSegs",
- [TCPRETRANSSEGS] = "tcpRetransSegs",
- [TCPINERRS] = "tcpInErrs",
- [TCPOUTRSTS] = "tcpOutRsts",
- [TCPRTOMIN] = "tcpRtoMin",
- [TCPRTOMAX] = "tcpRtoMax",
-};
-
-static struct rdma_hw_stats *iwch_alloc_stats(struct ib_device *ibdev,
- u8 port_num)
-{
- BUILD_BUG_ON(ARRAY_SIZE(names) != NR_COUNTERS);
-
- /* Our driver only supports device level stats */
- if (port_num != 0)
- return NULL;
-
- return rdma_alloc_hw_stats_struct(names, NR_COUNTERS,
- RDMA_HW_STATS_DEFAULT_LIFESPAN);
-}
-
-static int iwch_get_mib(struct ib_device *ibdev, struct rdma_hw_stats *stats,
- u8 port, int index)
-{
- struct iwch_dev *dev;
- struct tp_mib_stats m;
- int ret;
-
- if (port != 0 || !stats)
- return -ENOSYS;
-
- pr_debug("%s ibdev %p\n", __func__, ibdev);
- dev = to_iwch_dev(ibdev);
- ret = dev->rdev.t3cdev_p->ctl(dev->rdev.t3cdev_p, RDMA_GET_MIB, &m);
- if (ret)
- return -ENOSYS;
-
- stats->value[IPINRECEIVES] = ((u64)m.ipInReceive_hi << 32) + m.ipInReceive_lo;
- stats->value[IPINHDRERRORS] = ((u64)m.ipInHdrErrors_hi << 32) + m.ipInHdrErrors_lo;
- stats->value[IPINADDRERRORS] = ((u64)m.ipInAddrErrors_hi << 32) + m.ipInAddrErrors_lo;
- stats->value[IPINUNKNOWNPROTOS] = ((u64)m.ipInUnknownProtos_hi << 32) + m.ipInUnknownProtos_lo;
- stats->value[IPINDISCARDS] = ((u64)m.ipInDiscards_hi << 32) + m.ipInDiscards_lo;
- stats->value[IPINDELIVERS] = ((u64)m.ipInDelivers_hi << 32) + m.ipInDelivers_lo;
- stats->value[IPOUTREQUESTS] = ((u64)m.ipOutRequests_hi << 32) + m.ipOutRequests_lo;
- stats->value[IPOUTDISCARDS] = ((u64)m.ipOutDiscards_hi << 32) + m.ipOutDiscards_lo;
- stats->value[IPOUTNOROUTES] = ((u64)m.ipOutNoRoutes_hi << 32) + m.ipOutNoRoutes_lo;
- stats->value[IPREASMTIMEOUT] = m.ipReasmTimeout;
- stats->value[IPREASMREQDS] = m.ipReasmReqds;
- stats->value[IPREASMOKS] = m.ipReasmOKs;
- stats->value[IPREASMFAILS] = m.ipReasmFails;
- stats->value[TCPACTIVEOPENS] = m.tcpActiveOpens;
- stats->value[TCPPASSIVEOPENS] = m.tcpPassiveOpens;
- stats->value[TCPATTEMPTFAILS] = m.tcpAttemptFails;
- stats->value[TCPESTABRESETS] = m.tcpEstabResets;
- stats->value[TCPCURRESTAB] = m.tcpOutRsts;
- stats->value[TCPINSEGS] = m.tcpCurrEstab;
- stats->value[TCPOUTSEGS] = ((u64)m.tcpInSegs_hi << 32) + m.tcpInSegs_lo;
- stats->value[TCPRETRANSSEGS] = ((u64)m.tcpOutSegs_hi << 32) + m.tcpOutSegs_lo;
- stats->value[TCPINERRS] = ((u64)m.tcpRetransSeg_hi << 32) + m.tcpRetransSeg_lo,
- stats->value[TCPOUTRSTS] = ((u64)m.tcpInErrs_hi << 32) + m.tcpInErrs_lo;
- stats->value[TCPRTOMIN] = m.tcpRtoMin;
- stats->value[TCPRTOMAX] = m.tcpRtoMax;
-
- return stats->num_counters;
-}
-
-static struct attribute *iwch_class_attributes[] = {
- &dev_attr_hw_rev.attr,
- &dev_attr_hca_type.attr,
- &dev_attr_board_id.attr,
- NULL
-};
-
-static const struct attribute_group iwch_attr_group = {
- .attrs = iwch_class_attributes,
-};
-
-static int iwch_port_immutable(struct ib_device *ibdev, u8 port_num,
- struct ib_port_immutable *immutable)
-{
- struct ib_port_attr attr;
- int err;
-
- immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
-
- err = ib_query_port(ibdev, port_num, &attr);
- if (err)
- return err;
-
- immutable->pkey_tbl_len = attr.pkey_tbl_len;
- immutable->gid_tbl_len = attr.gid_tbl_len;
-
- return 0;
-}
-
-static void get_dev_fw_ver_str(struct ib_device *ibdev, char *str)
-{
- struct iwch_dev *iwch_dev = to_iwch_dev(ibdev);
- struct ethtool_drvinfo info;
- struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
-
- pr_debug("%s dev 0x%p\n", __func__, iwch_dev);
- lldev->ethtool_ops->get_drvinfo(lldev, &info);
- snprintf(str, IB_FW_VERSION_NAME_MAX, "%s", info.fw_version);
-}
-
-static const struct ib_device_ops iwch_dev_ops = {
- .owner = THIS_MODULE,
- .driver_id = RDMA_DRIVER_CXGB3,
- .uverbs_abi_ver = IWCH_UVERBS_ABI_VERSION,
- .uverbs_no_driver_id_binding = 1,
-
- .alloc_hw_stats = iwch_alloc_stats,
- .alloc_mr = iwch_alloc_mr,
- .alloc_mw = iwch_alloc_mw,
- .alloc_pd = iwch_allocate_pd,
- .alloc_ucontext = iwch_alloc_ucontext,
- .create_cq = iwch_create_cq,
- .create_qp = iwch_create_qp,
- .dealloc_mw = iwch_dealloc_mw,
- .dealloc_pd = iwch_deallocate_pd,
- .dealloc_ucontext = iwch_dealloc_ucontext,
- .dereg_mr = iwch_dereg_mr,
- .destroy_cq = iwch_destroy_cq,
- .destroy_qp = iwch_destroy_qp,
- .get_dev_fw_str = get_dev_fw_ver_str,
- .get_dma_mr = iwch_get_dma_mr,
- .get_hw_stats = iwch_get_mib,
- .get_port_immutable = iwch_port_immutable,
- .iw_accept = iwch_accept_cr,
- .iw_add_ref = iwch_qp_add_ref,
- .iw_connect = iwch_connect,
- .iw_create_listen = iwch_create_listen,
- .iw_destroy_listen = iwch_destroy_listen,
- .iw_get_qp = iwch_get_qp,
- .iw_reject = iwch_reject_cr,
- .iw_rem_ref = iwch_qp_rem_ref,
- .map_mr_sg = iwch_map_mr_sg,
- .mmap = iwch_mmap,
- .modify_qp = iwch_ib_modify_qp,
- .poll_cq = iwch_poll_cq,
- .post_recv = iwch_post_receive,
- .post_send = iwch_post_send,
- .query_device = iwch_query_device,
- .query_gid = iwch_query_gid,
- .query_pkey = iwch_query_pkey,
- .query_port = iwch_query_port,
- .reg_user_mr = iwch_reg_user_mr,
- .req_notify_cq = iwch_arm_cq,
- INIT_RDMA_OBJ_SIZE(ib_pd, iwch_pd, ibpd),
- INIT_RDMA_OBJ_SIZE(ib_cq, iwch_cq, ibcq),
- INIT_RDMA_OBJ_SIZE(ib_ucontext, iwch_ucontext, ibucontext),
-};
-
-static int set_netdevs(struct ib_device *ib_dev, struct cxio_rdev *rdev)
-{
- int ret;
- int i;
-
- for (i = 0; i < rdev->port_info.nports; i++) {
- ret = ib_device_set_netdev(ib_dev, rdev->port_info.lldevs[i],
- i + 1);
- if (ret)
- return ret;
- }
- return 0;
-}
-
-int iwch_register_device(struct iwch_dev *dev)
-{
- int err;
-
- pr_debug("%s iwch_dev %p\n", __func__, dev);
- memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
- memcpy(&dev->ibdev.node_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
- dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY |
- IB_DEVICE_MEM_WINDOW |
- IB_DEVICE_MEM_MGT_EXTENSIONS;
-
- /* cxgb3 supports STag 0. */
- dev->ibdev.local_dma_lkey = 0;
-
- dev->ibdev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_POST_SEND) |
- (1ull << IB_USER_VERBS_CMD_POST_RECV);
- dev->ibdev.node_type = RDMA_NODE_RNIC;
- BUILD_BUG_ON(sizeof(IWCH_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX);
- memcpy(dev->ibdev.node_desc, IWCH_NODE_DESC, sizeof(IWCH_NODE_DESC));
- dev->ibdev.phys_port_cnt = dev->rdev.port_info.nports;
- dev->ibdev.num_comp_vectors = 1;
- dev->ibdev.dev.parent = &dev->rdev.rnic_info.pdev->dev;
-
- memcpy(dev->ibdev.iw_ifname, dev->rdev.t3cdev_p->lldev->name,
- sizeof(dev->ibdev.iw_ifname));
-
- rdma_set_device_sysfs_group(&dev->ibdev, &iwch_attr_group);
- ib_set_device_ops(&dev->ibdev, &iwch_dev_ops);
- err = set_netdevs(&dev->ibdev, &dev->rdev);
- if (err)
- return err;
-
- return ib_register_device(&dev->ibdev, "cxgb3_%d");
-}
-
-void iwch_unregister_device(struct iwch_dev *dev)
-{
- pr_debug("%s iwch_dev %p\n", __func__, dev);
- ib_unregister_device(&dev->ibdev);
- return;
-}
deleted file mode 100644
@@ -1,347 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef __IWCH_PROVIDER_H__
-#define __IWCH_PROVIDER_H__
-
-#include <linux/list.h>
-#include <linux/spinlock.h>
-#include <rdma/ib_verbs.h>
-#include <asm/types.h>
-#include "t3cdev.h"
-#include "iwch.h"
-#include "cxio_wr.h"
-#include "cxio_hal.h"
-
-struct iwch_pd {
- struct ib_pd ibpd;
- u32 pdid;
- struct iwch_dev *rhp;
-};
-
-static inline struct iwch_pd *to_iwch_pd(struct ib_pd *ibpd)
-{
- return container_of(ibpd, struct iwch_pd, ibpd);
-}
-
-struct tpt_attributes {
- u32 stag;
- u32 state:1;
- u32 type:2;
- u32 rsvd:1;
- enum tpt_mem_perm perms;
- u32 remote_invaliate_disable:1;
- u32 zbva:1;
- u32 mw_bind_enable:1;
- u32 page_size:5;
-
- u32 pdid;
- u32 qpid;
- u32 pbl_addr;
- u32 len;
- u64 va_fbo;
- u32 pbl_size;
-};
-
-struct iwch_mr {
- struct ib_mr ibmr;
- struct ib_umem *umem;
- struct iwch_dev *rhp;
- u64 kva;
- struct tpt_attributes attr;
- u64 *pages;
- u32 npages;
-};
-
-typedef struct iwch_mw iwch_mw_handle;
-
-static inline struct iwch_mr *to_iwch_mr(struct ib_mr *ibmr)
-{
- return container_of(ibmr, struct iwch_mr, ibmr);
-}
-
-struct iwch_mw {
- struct ib_mw ibmw;
- struct iwch_dev *rhp;
- u64 kva;
- struct tpt_attributes attr;
-};
-
-static inline struct iwch_mw *to_iwch_mw(struct ib_mw *ibmw)
-{
- return container_of(ibmw, struct iwch_mw, ibmw);
-}
-
-struct iwch_cq {
- struct ib_cq ibcq;
- struct iwch_dev *rhp;
- struct t3_cq cq;
- spinlock_t lock;
- spinlock_t comp_handler_lock;
- atomic_t refcnt;
- wait_queue_head_t wait;
- u32 __user *user_rptr_addr;
-};
-
-static inline struct iwch_cq *to_iwch_cq(struct ib_cq *ibcq)
-{
- return container_of(ibcq, struct iwch_cq, ibcq);
-}
-
-enum IWCH_QP_FLAGS {
- QP_QUIESCED = 0x01
-};
-
-struct iwch_mpa_attributes {
- u8 initiator;
- u8 recv_marker_enabled;
- u8 xmit_marker_enabled; /* iWARP: enable inbound Read Resp. */
- u8 crc_enabled;
- u8 version; /* 0 or 1 */
-};
-
-struct iwch_qp_attributes {
- u32 scq;
- u32 rcq;
- u32 sq_num_entries;
- u32 rq_num_entries;
- u32 sq_max_sges;
- u32 sq_max_sges_rdma_write;
- u32 rq_max_sges;
- u32 state;
- u8 enable_rdma_read;
- u8 enable_rdma_write; /* enable inbound Read Resp. */
- u8 enable_bind;
- u8 enable_mmid0_fastreg; /* Enable STAG0 + Fast-register */
- /*
- * Next QP state. If specify the current state, only the
- * QP attributes will be modified.
- */
- u32 max_ord;
- u32 max_ird;
- u32 pd; /* IN */
- u32 next_state;
- char terminate_buffer[52];
- u32 terminate_msg_len;
- u8 is_terminate_local;
- struct iwch_mpa_attributes mpa_attr; /* IN-OUT */
- struct iwch_ep *llp_stream_handle;
- char *stream_msg_buf; /* Last stream msg. before Idle -> RTS */
- u32 stream_msg_buf_len; /* Only on Idle -> RTS */
-};
-
-struct iwch_qp {
- struct ib_qp ibqp;
- struct iwch_dev *rhp;
- struct iwch_ep *ep;
- struct iwch_qp_attributes attr;
- struct t3_wq wq;
- spinlock_t lock;
- atomic_t refcnt;
- wait_queue_head_t wait;
- enum IWCH_QP_FLAGS flags;
-};
-
-static inline int qp_quiesced(struct iwch_qp *qhp)
-{
- return qhp->flags & QP_QUIESCED;
-}
-
-static inline struct iwch_qp *to_iwch_qp(struct ib_qp *ibqp)
-{
- return container_of(ibqp, struct iwch_qp, ibqp);
-}
-
-void iwch_qp_add_ref(struct ib_qp *qp);
-void iwch_qp_rem_ref(struct ib_qp *qp);
-
-struct iwch_ucontext {
- struct ib_ucontext ibucontext;
- struct cxio_ucontext uctx;
- u32 key;
- spinlock_t mmap_lock;
- struct list_head mmaps;
-};
-
-static inline struct iwch_ucontext *to_iwch_ucontext(struct ib_ucontext *c)
-{
- return container_of(c, struct iwch_ucontext, ibucontext);
-}
-
-struct iwch_mm_entry {
- struct list_head entry;
- u64 addr;
- u32 key;
- unsigned len;
-};
-
-static inline struct iwch_mm_entry *remove_mmap(struct iwch_ucontext *ucontext,
- u32 key, unsigned len)
-{
- struct list_head *pos, *nxt;
- struct iwch_mm_entry *mm;
-
- spin_lock(&ucontext->mmap_lock);
- list_for_each_safe(pos, nxt, &ucontext->mmaps) {
-
- mm = list_entry(pos, struct iwch_mm_entry, entry);
- if (mm->key == key && mm->len == len) {
- list_del_init(&mm->entry);
- spin_unlock(&ucontext->mmap_lock);
- pr_debug("%s key 0x%x addr 0x%llx len %d\n",
- __func__, key,
- (unsigned long long)mm->addr, mm->len);
- return mm;
- }
- }
- spin_unlock(&ucontext->mmap_lock);
- return NULL;
-}
-
-static inline void insert_mmap(struct iwch_ucontext *ucontext,
- struct iwch_mm_entry *mm)
-{
- spin_lock(&ucontext->mmap_lock);
- pr_debug("%s key 0x%x addr 0x%llx len %d\n",
- __func__, mm->key, (unsigned long long)mm->addr, mm->len);
- list_add_tail(&mm->entry, &ucontext->mmaps);
- spin_unlock(&ucontext->mmap_lock);
-}
-
-enum iwch_qp_attr_mask {
- IWCH_QP_ATTR_NEXT_STATE = 1 << 0,
- IWCH_QP_ATTR_ENABLE_RDMA_READ = 1 << 7,
- IWCH_QP_ATTR_ENABLE_RDMA_WRITE = 1 << 8,
- IWCH_QP_ATTR_ENABLE_RDMA_BIND = 1 << 9,
- IWCH_QP_ATTR_MAX_ORD = 1 << 11,
- IWCH_QP_ATTR_MAX_IRD = 1 << 12,
- IWCH_QP_ATTR_LLP_STREAM_HANDLE = 1 << 22,
- IWCH_QP_ATTR_STREAM_MSG_BUFFER = 1 << 23,
- IWCH_QP_ATTR_MPA_ATTR = 1 << 24,
- IWCH_QP_ATTR_QP_CONTEXT_ACTIVATE = 1 << 25,
- IWCH_QP_ATTR_VALID_MODIFY = (IWCH_QP_ATTR_ENABLE_RDMA_READ |
- IWCH_QP_ATTR_ENABLE_RDMA_WRITE |
- IWCH_QP_ATTR_MAX_ORD |
- IWCH_QP_ATTR_MAX_IRD |
- IWCH_QP_ATTR_LLP_STREAM_HANDLE |
- IWCH_QP_ATTR_STREAM_MSG_BUFFER |
- IWCH_QP_ATTR_MPA_ATTR |
- IWCH_QP_ATTR_QP_CONTEXT_ACTIVATE)
-};
-
-int iwch_modify_qp(struct iwch_dev *rhp,
- struct iwch_qp *qhp,
- enum iwch_qp_attr_mask mask,
- struct iwch_qp_attributes *attrs,
- int internal);
-
-enum iwch_qp_state {
- IWCH_QP_STATE_IDLE,
- IWCH_QP_STATE_RTS,
- IWCH_QP_STATE_ERROR,
- IWCH_QP_STATE_TERMINATE,
- IWCH_QP_STATE_CLOSING,
- IWCH_QP_STATE_TOT
-};
-
-static inline int iwch_convert_state(enum ib_qp_state ib_state)
-{
- switch (ib_state) {
- case IB_QPS_RESET:
- case IB_QPS_INIT:
- return IWCH_QP_STATE_IDLE;
- case IB_QPS_RTS:
- return IWCH_QP_STATE_RTS;
- case IB_QPS_SQD:
- return IWCH_QP_STATE_CLOSING;
- case IB_QPS_SQE:
- return IWCH_QP_STATE_TERMINATE;
- case IB_QPS_ERR:
- return IWCH_QP_STATE_ERROR;
- default:
- return -1;
- }
-}
-
-static inline u32 iwch_ib_to_tpt_access(int acc)
-{
- return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
- (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) |
- (acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) |
- (acc & IB_ACCESS_MW_BIND ? TPT_MW_BIND : 0) |
- TPT_LOCAL_READ;
-}
-
-static inline u32 iwch_ib_to_tpt_bind_access(int acc)
-{
- return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
- (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0);
-}
-
-enum iwch_mmid_state {
- IWCH_STAG_STATE_VALID,
- IWCH_STAG_STATE_INVALID
-};
-
-enum iwch_qp_query_flags {
- IWCH_QP_QUERY_CONTEXT_NONE = 0x0, /* No ctx; Only attrs */
- IWCH_QP_QUERY_CONTEXT_GET = 0x1, /* Get ctx + attrs */
- IWCH_QP_QUERY_CONTEXT_SUSPEND = 0x2, /* Not Supported */
-
- /*
- * Quiesce QP context; Consumer
- * will NOT replay outstanding WR
- */
- IWCH_QP_QUERY_CONTEXT_QUIESCE = 0x4,
- IWCH_QP_QUERY_CONTEXT_REMOVE = 0x8,
- IWCH_QP_QUERY_TEST_USERWRITE = 0x32 /* Test special */
-};
-
-u16 iwch_rqes_posted(struct iwch_qp *qhp);
-int iwch_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
- const struct ib_send_wr **bad_wr);
-int iwch_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
- const struct ib_recv_wr **bad_wr);
-int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
-int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg);
-int iwch_post_zb_read(struct iwch_ep *ep);
-int iwch_register_device(struct iwch_dev *dev);
-void iwch_unregister_device(struct iwch_dev *dev);
-void stop_read_rep_timer(struct iwch_qp *qhp);
-int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php,
- struct iwch_mr *mhp, int shift);
-int iwch_alloc_pbl(struct iwch_mr *mhp, int npages);
-void iwch_free_pbl(struct iwch_mr *mhp);
-int iwch_write_pbl(struct iwch_mr *mhp, __be64 *pages, int npages, int offset);
-
-#define IWCH_NODE_DESC "cxgb3 Chelsio Communications"
-
-#endif
deleted file mode 100644
@@ -1,1082 +0,0 @@
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include <linux/sched.h>
-#include <linux/gfp.h>
-#include "iwch_provider.h"
-#include "iwch.h"
-#include "iwch_cm.h"
-#include "cxio_hal.h"
-#include "cxio_resource.h"
-
-#define NO_SUPPORT -1
-
-static int build_rdma_send(union t3_wr *wqe, const struct ib_send_wr *wr,
- u8 *flit_cnt)
-{
- int i;
- u32 plen;
-
- switch (wr->opcode) {
- case IB_WR_SEND:
- if (wr->send_flags & IB_SEND_SOLICITED)
- wqe->send.rdmaop = T3_SEND_WITH_SE;
- else
- wqe->send.rdmaop = T3_SEND;
- wqe->send.rem_stag = 0;
- break;
- case IB_WR_SEND_WITH_INV:
- if (wr->send_flags & IB_SEND_SOLICITED)
- wqe->send.rdmaop = T3_SEND_WITH_SE_INV;
- else
- wqe->send.rdmaop = T3_SEND_WITH_INV;
- wqe->send.rem_stag = cpu_to_be32(wr->ex.invalidate_rkey);
- break;
- default:
- return -EINVAL;
- }
- if (wr->num_sge > T3_MAX_SGE)
- return -EINVAL;
- wqe->send.reserved[0] = 0;
- wqe->send.reserved[1] = 0;
- wqe->send.reserved[2] = 0;
- plen = 0;
- for (i = 0; i < wr->num_sge; i++) {
- if ((plen + wr->sg_list[i].length) < plen)
- return -EMSGSIZE;
-
- plen += wr->sg_list[i].length;
- wqe->send.sgl[i].stag = cpu_to_be32(wr->sg_list[i].lkey);
- wqe->send.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
- wqe->send.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
- }
- wqe->send.num_sgle = cpu_to_be32(wr->num_sge);
- *flit_cnt = 4 + ((wr->num_sge) << 1);
- wqe->send.plen = cpu_to_be32(plen);
- return 0;
-}
-
-static int build_rdma_write(union t3_wr *wqe, const struct ib_send_wr *wr,
- u8 *flit_cnt)
-{
- int i;
- u32 plen;
- if (wr->num_sge > T3_MAX_SGE)
- return -EINVAL;
- wqe->write.rdmaop = T3_RDMA_WRITE;
- wqe->write.reserved[0] = 0;
- wqe->write.reserved[1] = 0;
- wqe->write.reserved[2] = 0;
- wqe->write.stag_sink = cpu_to_be32(rdma_wr(wr)->rkey);
- wqe->write.to_sink = cpu_to_be64(rdma_wr(wr)->remote_addr);
-
- if (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) {
- plen = 4;
- wqe->write.sgl[0].stag = wr->ex.imm_data;
- wqe->write.sgl[0].len = cpu_to_be32(0);
- wqe->write.num_sgle = cpu_to_be32(0);
- *flit_cnt = 6;
- } else {
- plen = 0;
- for (i = 0; i < wr->num_sge; i++) {
- if ((plen + wr->sg_list[i].length) < plen) {
- return -EMSGSIZE;
- }
- plen += wr->sg_list[i].length;
- wqe->write.sgl[i].stag =
- cpu_to_be32(wr->sg_list[i].lkey);
- wqe->write.sgl[i].len =
- cpu_to_be32(wr->sg_list[i].length);
- wqe->write.sgl[i].to =
- cpu_to_be64(wr->sg_list[i].addr);
- }
- wqe->write.num_sgle = cpu_to_be32(wr->num_sge);
- *flit_cnt = 5 + ((wr->num_sge) << 1);
- }
- wqe->write.plen = cpu_to_be32(plen);
- return 0;
-}
-
-static int build_rdma_read(union t3_wr *wqe, const struct ib_send_wr *wr,
- u8 *flit_cnt)
-{
- if (wr->num_sge > 1)
- return -EINVAL;
- wqe->read.rdmaop = T3_READ_REQ;
- if (wr->opcode == IB_WR_RDMA_READ_WITH_INV)
- wqe->read.local_inv = 1;
- else
- wqe->read.local_inv = 0;
- wqe->read.reserved[0] = 0;
- wqe->read.reserved[1] = 0;
- wqe->read.rem_stag = cpu_to_be32(rdma_wr(wr)->rkey);
- wqe->read.rem_to = cpu_to_be64(rdma_wr(wr)->remote_addr);
- wqe->read.local_stag = cpu_to_be32(wr->sg_list[0].lkey);
- wqe->read.local_len = cpu_to_be32(wr->sg_list[0].length);
- wqe->read.local_to = cpu_to_be64(wr->sg_list[0].addr);
- *flit_cnt = sizeof(struct t3_rdma_read_wr) >> 3;
- return 0;
-}
-
-static int build_memreg(union t3_wr *wqe, const struct ib_reg_wr *wr,
- u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
-{
- struct iwch_mr *mhp = to_iwch_mr(wr->mr);
- int i;
- __be64 *p;
-
- if (mhp->npages > T3_MAX_FASTREG_DEPTH)
- return -EINVAL;
- *wr_cnt = 1;
- wqe->fastreg.stag = cpu_to_be32(wr->key);
- wqe->fastreg.len = cpu_to_be32(mhp->ibmr.length);
- wqe->fastreg.va_base_hi = cpu_to_be32(mhp->ibmr.iova >> 32);
- wqe->fastreg.va_base_lo_fbo =
- cpu_to_be32(mhp->ibmr.iova & 0xffffffff);
- wqe->fastreg.page_type_perms = cpu_to_be32(
- V_FR_PAGE_COUNT(mhp->npages) |
- V_FR_PAGE_SIZE(ilog2(wr->mr->page_size) - 12) |
- V_FR_TYPE(TPT_VATO) |
- V_FR_PERMS(iwch_ib_to_tpt_access(wr->access)));
- p = &wqe->fastreg.pbl_addrs[0];
- for (i = 0; i < mhp->npages; i++, p++) {
-
- /* If we need a 2nd WR, then set it up */
- if (i == T3_MAX_FASTREG_FRAG) {
- *wr_cnt = 2;
- wqe = (union t3_wr *)(wq->queue +
- Q_PTR2IDX((wq->wptr+1), wq->size_log2));
- build_fw_riwrh((void *)wqe, T3_WR_FASTREG, 0,
- Q_GENBIT(wq->wptr + 1, wq->size_log2),
- 0, 1 + mhp->npages - T3_MAX_FASTREG_FRAG,
- T3_EOP);
-
- p = &wqe->pbl_frag.pbl_addrs[0];
- }
- *p = cpu_to_be64((u64)mhp->pages[i]);
- }
- *flit_cnt = 5 + mhp->npages;
- if (*flit_cnt > 15)
- *flit_cnt = 15;
- return 0;
-}
-
-static int build_inv_stag(union t3_wr *wqe, const struct ib_send_wr *wr,
- u8 *flit_cnt)
-{
- wqe->local_inv.stag = cpu_to_be32(wr->ex.invalidate_rkey);
- wqe->local_inv.reserved = 0;
- *flit_cnt = sizeof(struct t3_local_inv_wr) >> 3;
- return 0;
-}
-
-static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
- u32 num_sgle, u32 * pbl_addr, u8 * page_size)
-{
- int i;
- struct iwch_mr *mhp;
- u64 offset;
- for (i = 0; i < num_sgle; i++) {
-
- mhp = get_mhp(rhp, (sg_list[i].lkey) >> 8);
- if (!mhp) {
- pr_debug("%s %d\n", __func__, __LINE__);
- return -EIO;
- }
- if (!mhp->attr.state) {
- pr_debug("%s %d\n", __func__, __LINE__);
- return -EIO;
- }
- if (mhp->attr.zbva) {
- pr_debug("%s %d\n", __func__, __LINE__);
- return -EIO;
- }
-
- if (sg_list[i].addr < mhp->attr.va_fbo) {
- pr_debug("%s %d\n", __func__, __LINE__);
- return -EINVAL;
- }
- if (sg_list[i].addr + ((u64) sg_list[i].length) <
- sg_list[i].addr) {
- pr_debug("%s %d\n", __func__, __LINE__);
- return -EINVAL;
- }
- if (sg_list[i].addr + ((u64) sg_list[i].length) >
- mhp->attr.va_fbo + ((u64) mhp->attr.len)) {
- pr_debug("%s %d\n", __func__, __LINE__);
- return -EINVAL;
- }
- offset = sg_list[i].addr - mhp->attr.va_fbo;
- offset += mhp->attr.va_fbo &
- ((1UL << (12 + mhp->attr.page_size)) - 1);
- pbl_addr[i] = ((mhp->attr.pbl_addr -
- rhp->rdev.rnic_info.pbl_base) >> 3) +
- (offset >> (12 + mhp->attr.page_size));
- page_size[i] = mhp->attr.page_size;
- }
- return 0;
-}
-
-static int build_rdma_recv(struct iwch_qp *qhp, union t3_wr *wqe,
- const struct ib_recv_wr *wr)
-{
- int i, err = 0;
- u32 pbl_addr[T3_MAX_SGE];
- u8 page_size[T3_MAX_SGE];
-
- err = iwch_sgl2pbl_map(qhp->rhp, wr->sg_list, wr->num_sge, pbl_addr,
- page_size);
- if (err)
- return err;
- wqe->recv.pagesz[0] = page_size[0];
- wqe->recv.pagesz[1] = page_size[1];
- wqe->recv.pagesz[2] = page_size[2];
- wqe->recv.pagesz[3] = page_size[3];
- wqe->recv.num_sgle = cpu_to_be32(wr->num_sge);
- for (i = 0; i < wr->num_sge; i++) {
- wqe->recv.sgl[i].stag = cpu_to_be32(wr->sg_list[i].lkey);
- wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
-
- /* to in the WQE == the offset into the page */
- wqe->recv.sgl[i].to = cpu_to_be64(((u32)wr->sg_list[i].addr) &
- ((1UL << (12 + page_size[i])) - 1));
-
- /* pbl_addr is the adapters address in the PBL */
- wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_addr[i]);
- }
- for (; i < T3_MAX_SGE; i++) {
- wqe->recv.sgl[i].stag = 0;
- wqe->recv.sgl[i].len = 0;
- wqe->recv.sgl[i].to = 0;
- wqe->recv.pbl_addr[i] = 0;
- }
- qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
- qhp->wq.rq_size_log2)].wr_id = wr->wr_id;
- qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
- qhp->wq.rq_size_log2)].pbl_addr = 0;
- return 0;
-}
-
-static int build_zero_stag_recv(struct iwch_qp *qhp, union t3_wr *wqe,
- const struct ib_recv_wr *wr)
-{
- int i;
- u32 pbl_addr;
- u32 pbl_offset;
-
-
- /*
- * The T3 HW requires the PBL in the HW recv descriptor to reference
- * a PBL entry. So we allocate the max needed PBL memory here and pass
- * it to the uP in the recv WR. The uP will build the PBL and setup
- * the HW recv descriptor.
- */
- pbl_addr = cxio_hal_pblpool_alloc(&qhp->rhp->rdev, T3_STAG0_PBL_SIZE);
- if (!pbl_addr)
- return -ENOMEM;
-
- /*
- * Compute the 8B aligned offset.
- */
- pbl_offset = (pbl_addr - qhp->rhp->rdev.rnic_info.pbl_base) >> 3;
-
- wqe->recv.num_sgle = cpu_to_be32(wr->num_sge);
-
- for (i = 0; i < wr->num_sge; i++) {
-
- /*
- * Use a 128MB page size. This and an imposed 128MB
- * sge length limit allows us to require only a 2-entry HW
- * PBL for each SGE. This restriction is acceptable since
- * since it is not possible to allocate 128MB of contiguous
- * DMA coherent memory!
- */
- if (wr->sg_list[i].length > T3_STAG0_MAX_PBE_LEN)
- return -EINVAL;
- wqe->recv.pagesz[i] = T3_STAG0_PAGE_SHIFT;
-
- /*
- * T3 restricts a recv to all zero-stag or all non-zero-stag.
- */
- if (wr->sg_list[i].lkey != 0)
- return -EINVAL;
- wqe->recv.sgl[i].stag = 0;
- wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
- wqe->recv.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
- wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_offset);
- pbl_offset += 2;
- }
- for (; i < T3_MAX_SGE; i++) {
- wqe->recv.pagesz[i] = 0;
- wqe->recv.sgl[i].stag = 0;
- wqe->recv.sgl[i].len = 0;
- wqe->recv.sgl[i].to = 0;
- wqe->recv.pbl_addr[i] = 0;
- }
- qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
- qhp->wq.rq_size_log2)].wr_id = wr->wr_id;
- qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
- qhp->wq.rq_size_log2)].pbl_addr = pbl_addr;
- return 0;
-}
-
-int iwch_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
- const struct ib_send_wr **bad_wr)
-{
- int err = 0;
- u8 uninitialized_var(t3_wr_flit_cnt);
- enum t3_wr_opcode t3_wr_opcode = 0;
- enum t3_wr_flags t3_wr_flags;
- struct iwch_qp *qhp;
- u32 idx;
- union t3_wr *wqe;
- u32 num_wrs;
- unsigned long flag;
- struct t3_swsq *sqp;
- int wr_cnt = 1;
-
- qhp = to_iwch_qp(ibqp);
- spin_lock_irqsave(&qhp->lock, flag);
- if (qhp->attr.state > IWCH_QP_STATE_RTS) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- err = -EINVAL;
- goto out;
- }
- num_wrs = Q_FREECNT(qhp->wq.sq_rptr, qhp->wq.sq_wptr,
- qhp->wq.sq_size_log2);
- if (num_wrs == 0) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- err = -ENOMEM;
- goto out;
- }
- while (wr) {
- if (num_wrs == 0) {
- err = -ENOMEM;
- break;
- }
- idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
- wqe = (union t3_wr *) (qhp->wq.queue + idx);
- t3_wr_flags = 0;
- if (wr->send_flags & IB_SEND_SOLICITED)
- t3_wr_flags |= T3_SOLICITED_EVENT_FLAG;
- if (wr->send_flags & IB_SEND_SIGNALED)
- t3_wr_flags |= T3_COMPLETION_FLAG;
- sqp = qhp->wq.sq +
- Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2);
- switch (wr->opcode) {
- case IB_WR_SEND:
- case IB_WR_SEND_WITH_INV:
- if (wr->send_flags & IB_SEND_FENCE)
- t3_wr_flags |= T3_READ_FENCE_FLAG;
- t3_wr_opcode = T3_WR_SEND;
- err = build_rdma_send(wqe, wr, &t3_wr_flit_cnt);
- break;
- case IB_WR_RDMA_WRITE:
- case IB_WR_RDMA_WRITE_WITH_IMM:
- t3_wr_opcode = T3_WR_WRITE;
- err = build_rdma_write(wqe, wr, &t3_wr_flit_cnt);
- break;
- case IB_WR_RDMA_READ:
- case IB_WR_RDMA_READ_WITH_INV:
- t3_wr_opcode = T3_WR_READ;
- t3_wr_flags = 0; /* T3 reads are always signaled */
- err = build_rdma_read(wqe, wr, &t3_wr_flit_cnt);
- if (err)
- break;
- sqp->read_len = wqe->read.local_len;
- if (!qhp->wq.oldest_read)
- qhp->wq.oldest_read = sqp;
- break;
- case IB_WR_REG_MR:
- t3_wr_opcode = T3_WR_FASTREG;
- err = build_memreg(wqe, reg_wr(wr), &t3_wr_flit_cnt,
- &wr_cnt, &qhp->wq);
- break;
- case IB_WR_LOCAL_INV:
- if (wr->send_flags & IB_SEND_FENCE)
- t3_wr_flags |= T3_LOCAL_FENCE_FLAG;
- t3_wr_opcode = T3_WR_INV_STAG;
- err = build_inv_stag(wqe, wr, &t3_wr_flit_cnt);
- break;
- default:
- pr_debug("%s post of type=%d TBD!\n", __func__,
- wr->opcode);
- err = -EINVAL;
- }
- if (err)
- break;
- wqe->send.wrid.id0.hi = qhp->wq.sq_wptr;
- sqp->wr_id = wr->wr_id;
- sqp->opcode = wr2opcode(t3_wr_opcode);
- sqp->sq_wptr = qhp->wq.sq_wptr;
- sqp->complete = 0;
- sqp->signaled = (wr->send_flags & IB_SEND_SIGNALED);
-
- build_fw_riwrh((void *) wqe, t3_wr_opcode, t3_wr_flags,
- Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
- 0, t3_wr_flit_cnt,
- (wr_cnt == 1) ? T3_SOPEOP : T3_SOP);
- pr_debug("%s cookie 0x%llx wq idx 0x%x swsq idx %ld opcode %d\n",
- __func__, (unsigned long long)wr->wr_id, idx,
- Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2),
- sqp->opcode);
- wr = wr->next;
- num_wrs--;
- qhp->wq.wptr += wr_cnt;
- ++(qhp->wq.sq_wptr);
- }
- spin_unlock_irqrestore(&qhp->lock, flag);
- if (cxio_wq_db_enabled(&qhp->wq))
- ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
-
-out:
- if (err)
- *bad_wr = wr;
- return err;
-}
-
-int iwch_post_receive(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
- const struct ib_recv_wr **bad_wr)
-{
- int err = 0;
- struct iwch_qp *qhp;
- u32 idx;
- union t3_wr *wqe;
- u32 num_wrs;
- unsigned long flag;
-
- qhp = to_iwch_qp(ibqp);
- spin_lock_irqsave(&qhp->lock, flag);
- if (qhp->attr.state > IWCH_QP_STATE_RTS) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- err = -EINVAL;
- goto out;
- }
- num_wrs = Q_FREECNT(qhp->wq.rq_rptr, qhp->wq.rq_wptr,
- qhp->wq.rq_size_log2) - 1;
- if (!wr) {
- spin_unlock_irqrestore(&qhp->lock, flag);
- err = -ENOMEM;
- goto out;
- }
- while (wr) {
- if (wr->num_sge > T3_MAX_SGE) {
- err = -EINVAL;
- break;
- }
- idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
- wqe = (union t3_wr *) (qhp->wq.queue + idx);
- if (num_wrs)
- if (wr->sg_list[0].lkey)
- err = build_rdma_recv(qhp, wqe, wr);
- else
- err = build_zero_stag_recv(qhp, wqe, wr);
- else
- err = -ENOMEM;
-
- if (err)
- break;
-
- build_fw_riwrh((void *) wqe, T3_WR_RCV, T3_COMPLETION_FLAG,
- Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
- 0, sizeof(struct t3_receive_wr) >> 3, T3_SOPEOP);
- pr_debug("%s cookie 0x%llx idx 0x%x rq_wptr 0x%x rw_rptr 0x%x wqe %p\n",
- __func__, (unsigned long long)wr->wr_id,
- idx, qhp->wq.rq_wptr, qhp->wq.rq_rptr, wqe);
- ++(qhp->wq.rq_wptr);
- ++(qhp->wq.wptr);
- wr = wr->next;
- num_wrs--;
- }
- spin_unlock_irqrestore(&qhp->lock, flag);
- if (cxio_wq_db_enabled(&qhp->wq))
- ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
-
-out:
- if (err)
- *bad_wr = wr;
- return err;
-}
-
-static inline void build_term_codes(struct respQ_msg_t *rsp_msg,
- u8 *layer_type, u8 *ecode)
-{
- int status = TPT_ERR_INTERNAL_ERR;
- int tagged = 0;
- int opcode = -1;
- int rqtype = 0;
- int send_inv = 0;
-
- if (rsp_msg) {
- status = CQE_STATUS(rsp_msg->cqe);
- opcode = CQE_OPCODE(rsp_msg->cqe);
- rqtype = RQ_TYPE(rsp_msg->cqe);
- send_inv = (opcode == T3_SEND_WITH_INV) ||
- (opcode == T3_SEND_WITH_SE_INV);
- tagged = (opcode == T3_RDMA_WRITE) ||
- (rqtype && (opcode == T3_READ_RESP));
- }
-
- switch (status) {
- case TPT_ERR_STAG:
- if (send_inv) {
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_OP;
- *ecode = RDMAP_CANT_INV_STAG;
- } else {
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_INV_STAG;
- }
- break;
- case TPT_ERR_PDID:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- if ((opcode == T3_SEND_WITH_INV) ||
- (opcode == T3_SEND_WITH_SE_INV))
- *ecode = RDMAP_CANT_INV_STAG;
- else
- *ecode = RDMAP_STAG_NOT_ASSOC;
- break;
- case TPT_ERR_QPID:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_STAG_NOT_ASSOC;
- break;
- case TPT_ERR_ACCESS:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_ACC_VIOL;
- break;
- case TPT_ERR_WRAP:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_TO_WRAP;
- break;
- case TPT_ERR_BOUND:
- if (tagged) {
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_BASE_BOUNDS;
- } else {
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_BASE_BOUNDS;
- }
- break;
- case TPT_ERR_INVALIDATE_SHARED_MR:
- case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_OP;
- *ecode = RDMAP_CANT_INV_STAG;
- break;
- case TPT_ERR_ECC:
- case TPT_ERR_ECC_PSTAG:
- case TPT_ERR_INTERNAL_ERR:
- *layer_type = LAYER_RDMAP|RDMAP_LOCAL_CATA;
- *ecode = 0;
- break;
- case TPT_ERR_OUT_OF_RQE:
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_INV_MSN_NOBUF;
- break;
- case TPT_ERR_PBL_ADDR_BOUND:
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_BASE_BOUNDS;
- break;
- case TPT_ERR_CRC:
- *layer_type = LAYER_MPA|DDP_LLP;
- *ecode = MPA_CRC_ERR;
- break;
- case TPT_ERR_MARKER:
- *layer_type = LAYER_MPA|DDP_LLP;
- *ecode = MPA_MARKER_ERR;
- break;
- case TPT_ERR_PDU_LEN_ERR:
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_MSG_TOOBIG;
- break;
- case TPT_ERR_DDP_VERSION:
- if (tagged) {
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_INV_VERS;
- } else {
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_INV_VERS;
- }
- break;
- case TPT_ERR_RDMA_VERSION:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_OP;
- *ecode = RDMAP_INV_VERS;
- break;
- case TPT_ERR_OPCODE:
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_OP;
- *ecode = RDMAP_INV_OPCODE;
- break;
- case TPT_ERR_DDP_QUEUE_NUM:
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_INV_QN;
- break;
- case TPT_ERR_MSN:
- case TPT_ERR_MSN_GAP:
- case TPT_ERR_MSN_RANGE:
- case TPT_ERR_IRD_OVERFLOW:
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_INV_MSN_RANGE;
- break;
- case TPT_ERR_TBIT:
- *layer_type = LAYER_DDP|DDP_LOCAL_CATA;
- *ecode = 0;
- break;
- case TPT_ERR_MO:
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_INV_MO;
- break;
- default:
- *layer_type = LAYER_RDMAP|DDP_LOCAL_CATA;
- *ecode = 0;
- break;
- }
-}
-
-int iwch_post_zb_read(struct iwch_ep *ep)
-{
- union t3_wr *wqe;
- struct sk_buff *skb;
- u8 flit_cnt = sizeof(struct t3_rdma_read_wr) >> 3;
-
- pr_debug("%s enter\n", __func__);
- skb = alloc_skb(40, GFP_KERNEL);
- if (!skb) {
- pr_err("%s cannot send zb_read!!\n", __func__);
- return -ENOMEM;
- }
- wqe = skb_put_zero(skb, sizeof(struct t3_rdma_read_wr));
- wqe->read.rdmaop = T3_READ_REQ;
- wqe->read.reserved[0] = 0;
- wqe->read.reserved[1] = 0;
- wqe->read.rem_stag = cpu_to_be32(1);
- wqe->read.rem_to = cpu_to_be64(1);
- wqe->read.local_stag = cpu_to_be32(1);
- wqe->read.local_len = cpu_to_be32(0);
- wqe->read.local_to = cpu_to_be64(1);
- wqe->send.wrh.op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(T3_WR_READ));
- wqe->send.wrh.gen_tid_len = cpu_to_be32(V_FW_RIWR_TID(ep->hwtid)|
- V_FW_RIWR_LEN(flit_cnt));
- skb->priority = CPL_PRIORITY_DATA;
- return iwch_cxgb3_ofld_send(ep->com.qp->rhp->rdev.t3cdev_p, skb);
-}
-
-/*
- * This posts a TERMINATE with layer=RDMA, type=catastrophic.
- */
-int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
-{
- union t3_wr *wqe;
- struct terminate_message *term;
- struct sk_buff *skb;
-
- pr_debug("%s %d\n", __func__, __LINE__);
- skb = alloc_skb(40, GFP_ATOMIC);
- if (!skb) {
- pr_err("%s cannot send TERMINATE!\n", __func__);
- return -ENOMEM;
- }
- wqe = skb_put_zero(skb, 40);
- wqe->send.rdmaop = T3_TERMINATE;
-
- /* immediate data length */
- wqe->send.plen = htonl(4);
-
- /* immediate data starts here. */
- term = (struct terminate_message *)wqe->send.sgl;
- build_term_codes(rsp_msg, &term->layer_etype, &term->ecode);
- wqe->send.wrh.op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(T3_WR_SEND) |
- V_FW_RIWR_FLAGS(T3_COMPLETION_FLAG | T3_NOTIFY_FLAG));
- wqe->send.wrh.gen_tid_len = cpu_to_be32(V_FW_RIWR_TID(qhp->ep->hwtid));
- skb->priority = CPL_PRIORITY_DATA;
- return iwch_cxgb3_ofld_send(qhp->rhp->rdev.t3cdev_p, skb);
-}
-
-/*
- * Assumes qhp lock is held.
- */
-static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp,
- struct iwch_cq *schp)
- __releases(&qhp->lock)
- __acquires(&qhp->lock)
-{
- int count;
- int flushed;
-
- lockdep_assert_held(&qhp->lock);
-
- pr_debug("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp);
- /* take a ref on the qhp since we must release the lock */
- atomic_inc(&qhp->refcnt);
- spin_unlock(&qhp->lock);
-
- /* locking hierarchy: cq lock first, then qp lock. */
- spin_lock(&rchp->lock);
- spin_lock(&qhp->lock);
- cxio_flush_hw_cq(&rchp->cq);
- cxio_count_rcqes(&rchp->cq, &qhp->wq, &count);
- flushed = cxio_flush_rq(&qhp->wq, &rchp->cq, count);
- spin_unlock(&qhp->lock);
- spin_unlock(&rchp->lock);
- if (flushed) {
- spin_lock(&rchp->comp_handler_lock);
- (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
- spin_unlock(&rchp->comp_handler_lock);
- }
-
- /* locking hierarchy: cq lock first, then qp lock. */
- spin_lock(&schp->lock);
- spin_lock(&qhp->lock);
- cxio_flush_hw_cq(&schp->cq);
- cxio_count_scqes(&schp->cq, &qhp->wq, &count);
- flushed = cxio_flush_sq(&qhp->wq, &schp->cq, count);
- spin_unlock(&qhp->lock);
- spin_unlock(&schp->lock);
- if (flushed) {
- spin_lock(&schp->comp_handler_lock);
- (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context);
- spin_unlock(&schp->comp_handler_lock);
- }
-
- /* deref */
- if (atomic_dec_and_test(&qhp->refcnt))
- wake_up(&qhp->wait);
-
- spin_lock(&qhp->lock);
-}
-
-static void flush_qp(struct iwch_qp *qhp)
-{
- struct iwch_cq *rchp, *schp;
-
- rchp = get_chp(qhp->rhp, qhp->attr.rcq);
- schp = get_chp(qhp->rhp, qhp->attr.scq);
-
- if (qhp->ibqp.uobject) {
- cxio_set_wq_in_error(&qhp->wq);
- cxio_set_cq_in_error(&rchp->cq);
- spin_lock(&rchp->comp_handler_lock);
- (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
- spin_unlock(&rchp->comp_handler_lock);
- if (schp != rchp) {
- cxio_set_cq_in_error(&schp->cq);
- spin_lock(&schp->comp_handler_lock);
- (*schp->ibcq.comp_handler)(&schp->ibcq,
- schp->ibcq.cq_context);
- spin_unlock(&schp->comp_handler_lock);
- }
- return;
- }
- __flush_qp(qhp, rchp, schp);
-}
-
-
-/*
- * Return count of RECV WRs posted
- */
-u16 iwch_rqes_posted(struct iwch_qp *qhp)
-{
- union t3_wr *wqe = qhp->wq.queue;
- u16 count = 0;
-
- while (count < USHRT_MAX && fw_riwrh_opcode((struct fw_riwrh *)wqe) == T3_WR_RCV) {
- count++;
- wqe++;
- }
- pr_debug("%s qhp %p count %u\n", __func__, qhp, count);
- return count;
-}
-
-static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
- enum iwch_qp_attr_mask mask,
- struct iwch_qp_attributes *attrs)
-{
- struct t3_rdma_init_attr init_attr;
- int ret;
-
- init_attr.tid = qhp->ep->hwtid;
- init_attr.qpid = qhp->wq.qpid;
- init_attr.pdid = qhp->attr.pd;
- init_attr.scqid = qhp->attr.scq;
- init_attr.rcqid = qhp->attr.rcq;
- init_attr.rq_addr = qhp->wq.rq_addr;
- init_attr.rq_size = 1 << qhp->wq.rq_size_log2;
- init_attr.mpaattrs = uP_RI_MPA_IETF_ENABLE |
- qhp->attr.mpa_attr.recv_marker_enabled |
- (qhp->attr.mpa_attr.xmit_marker_enabled << 1) |
- (qhp->attr.mpa_attr.crc_enabled << 2);
-
- init_attr.qpcaps = uP_RI_QP_RDMA_READ_ENABLE |
- uP_RI_QP_RDMA_WRITE_ENABLE |
- uP_RI_QP_BIND_ENABLE;
- if (!qhp->ibqp.uobject)
- init_attr.qpcaps |= uP_RI_QP_STAG0_ENABLE |
- uP_RI_QP_FAST_REGISTER_ENABLE;
-
- init_attr.tcp_emss = qhp->ep->emss;
- init_attr.ord = qhp->attr.max_ord;
- init_attr.ird = qhp->attr.max_ird;
- init_attr.qp_dma_addr = qhp->wq.dma_addr;
- init_attr.qp_dma_size = (1UL << qhp->wq.size_log2);
- init_attr.rqe_count = iwch_rqes_posted(qhp);
- init_attr.flags = qhp->attr.mpa_attr.initiator ? MPA_INITIATOR : 0;
- init_attr.chan = qhp->ep->l2t->smt_idx;
- if (peer2peer) {
- init_attr.rtr_type = RTR_READ;
- if (init_attr.ord == 0 && qhp->attr.mpa_attr.initiator)
- init_attr.ord = 1;
- if (init_attr.ird == 0 && !qhp->attr.mpa_attr.initiator)
- init_attr.ird = 1;
- } else
- init_attr.rtr_type = 0;
- init_attr.irs = qhp->ep->rcv_seq;
- pr_debug("%s init_attr.rq_addr 0x%x init_attr.rq_size = %d flags 0x%x qpcaps 0x%x\n",
- __func__,
- init_attr.rq_addr, init_attr.rq_size,
- init_attr.flags, init_attr.qpcaps);
- ret = cxio_rdma_init(&rhp->rdev, &init_attr);
- pr_debug("%s ret %d\n", __func__, ret);
- return ret;
-}
-
-int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
- enum iwch_qp_attr_mask mask,
- struct iwch_qp_attributes *attrs,
- int internal)
-{
- int ret = 0;
- struct iwch_qp_attributes newattr = qhp->attr;
- unsigned long flag;
- int disconnect = 0;
- int terminate = 0;
- int abort = 0;
- int free = 0;
- struct iwch_ep *ep = NULL;
-
- pr_debug("%s qhp %p qpid 0x%x ep %p state %d -> %d\n", __func__,
- qhp, qhp->wq.qpid, qhp->ep, qhp->attr.state,
- (mask & IWCH_QP_ATTR_NEXT_STATE) ? attrs->next_state : -1);
-
- spin_lock_irqsave(&qhp->lock, flag);
-
- /* Process attr changes if in IDLE */
- if (mask & IWCH_QP_ATTR_VALID_MODIFY) {
- if (qhp->attr.state != IWCH_QP_STATE_IDLE) {
- ret = -EIO;
- goto out;
- }
- if (mask & IWCH_QP_ATTR_ENABLE_RDMA_READ)
- newattr.enable_rdma_read = attrs->enable_rdma_read;
- if (mask & IWCH_QP_ATTR_ENABLE_RDMA_WRITE)
- newattr.enable_rdma_write = attrs->enable_rdma_write;
- if (mask & IWCH_QP_ATTR_ENABLE_RDMA_BIND)
- newattr.enable_bind = attrs->enable_bind;
- if (mask & IWCH_QP_ATTR_MAX_ORD) {
- if (attrs->max_ord >
- rhp->attr.max_rdma_read_qp_depth) {
- ret = -EINVAL;
- goto out;
- }
- newattr.max_ord = attrs->max_ord;
- }
- if (mask & IWCH_QP_ATTR_MAX_IRD) {
- if (attrs->max_ird >
- rhp->attr.max_rdma_reads_per_qp) {
- ret = -EINVAL;
- goto out;
- }
- newattr.max_ird = attrs->max_ird;
- }
- qhp->attr = newattr;
- }
-
- if (!(mask & IWCH_QP_ATTR_NEXT_STATE))
- goto out;
- if (qhp->attr.state == attrs->next_state)
- goto out;
-
- switch (qhp->attr.state) {
- case IWCH_QP_STATE_IDLE:
- switch (attrs->next_state) {
- case IWCH_QP_STATE_RTS:
- if (!(mask & IWCH_QP_ATTR_LLP_STREAM_HANDLE)) {
- ret = -EINVAL;
- goto out;
- }
- if (!(mask & IWCH_QP_ATTR_MPA_ATTR)) {
- ret = -EINVAL;
- goto out;
- }
- qhp->attr.mpa_attr = attrs->mpa_attr;
- qhp->attr.llp_stream_handle = attrs->llp_stream_handle;
- qhp->ep = qhp->attr.llp_stream_handle;
- qhp->attr.state = IWCH_QP_STATE_RTS;
-
- /*
- * Ref the endpoint here and deref when we
- * disassociate the endpoint from the QP. This
- * happens in CLOSING->IDLE transition or *->ERROR
- * transition.
- */
- get_ep(&qhp->ep->com);
- spin_unlock_irqrestore(&qhp->lock, flag);
- ret = rdma_init(rhp, qhp, mask, attrs);
- spin_lock_irqsave(&qhp->lock, flag);
- if (ret)
- goto err;
- break;
- case IWCH_QP_STATE_ERROR:
- qhp->attr.state = IWCH_QP_STATE_ERROR;
- flush_qp(qhp);
- break;
- default:
- ret = -EINVAL;
- goto out;
- }
- break;
- case IWCH_QP_STATE_RTS:
- switch (attrs->next_state) {
- case IWCH_QP_STATE_CLOSING:
- BUG_ON(kref_read(&qhp->ep->com.kref) < 2);
- qhp->attr.state = IWCH_QP_STATE_CLOSING;
- if (!internal) {
- abort=0;
- disconnect = 1;
- ep = qhp->ep;
- get_ep(&ep->com);
- }
- break;
- case IWCH_QP_STATE_TERMINATE:
- qhp->attr.state = IWCH_QP_STATE_TERMINATE;
- if (qhp->ibqp.uobject)
- cxio_set_wq_in_error(&qhp->wq);
- if (!internal)
- terminate = 1;
- break;
- case IWCH_QP_STATE_ERROR:
- qhp->attr.state = IWCH_QP_STATE_ERROR;
- if (!internal) {
- abort=1;
- disconnect = 1;
- ep = qhp->ep;
- get_ep(&ep->com);
- }
- goto err;
- break;
- default:
- ret = -EINVAL;
- goto out;
- }
- break;
- case IWCH_QP_STATE_CLOSING:
- if (!internal) {
- ret = -EINVAL;
- goto out;
- }
- switch (attrs->next_state) {
- case IWCH_QP_STATE_IDLE:
- flush_qp(qhp);
- qhp->attr.state = IWCH_QP_STATE_IDLE;
- qhp->attr.llp_stream_handle = NULL;
- put_ep(&qhp->ep->com);
- qhp->ep = NULL;
- wake_up(&qhp->wait);
- break;
- case IWCH_QP_STATE_ERROR:
- goto err;
- default:
- ret = -EINVAL;
- goto err;
- }
- break;
- case IWCH_QP_STATE_ERROR:
- if (attrs->next_state != IWCH_QP_STATE_IDLE) {
- ret = -EINVAL;
- goto out;
- }
-
- if (!Q_EMPTY(qhp->wq.sq_rptr, qhp->wq.sq_wptr) ||
- !Q_EMPTY(qhp->wq.rq_rptr, qhp->wq.rq_wptr)) {
- ret = -EINVAL;
- goto out;
- }
- qhp->attr.state = IWCH_QP_STATE_IDLE;
- break;
- case IWCH_QP_STATE_TERMINATE:
- if (!internal) {
- ret = -EINVAL;
- goto out;
- }
- goto err;
- break;
- default:
- pr_err("%s in a bad state %d\n", __func__, qhp->attr.state);
- ret = -EINVAL;
- goto err;
- break;
- }
- goto out;
-err:
- pr_debug("%s disassociating ep %p qpid 0x%x\n", __func__, qhp->ep,
- qhp->wq.qpid);
-
- /* disassociate the LLP connection */
- qhp->attr.llp_stream_handle = NULL;
- ep = qhp->ep;
- qhp->ep = NULL;
- qhp->attr.state = IWCH_QP_STATE_ERROR;
- free=1;
- wake_up(&qhp->wait);
- BUG_ON(!ep);
- flush_qp(qhp);
-out:
- spin_unlock_irqrestore(&qhp->lock, flag);
-
- if (terminate)
- iwch_post_terminate(qhp, NULL);
-
- /*
- * If disconnect is 1, then we need to initiate a disconnect
- * on the EP. This can be a normal close (RTS->CLOSING) or
- * an abnormal close (RTS/CLOSING->ERROR).
- */
- if (disconnect) {
- iwch_ep_disconnect(ep, abort, GFP_KERNEL);
- put_ep(&ep->com);
- }
-
- /*
- * If free is 1, then we've disassociated the EP from the QP
- * and we need to dereference the EP.
- */
- if (free)
- put_ep(&ep->com);
-
- pr_debug("%s exit state %d\n", __func__, qhp->attr.state);
- return ret;
-}
deleted file mode 100644
@@ -1,632 +0,0 @@
-/*
- * Copyright (c) 2007 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef _TCB_DEFS_H
-#define _TCB_DEFS_H
-
-#define W_TCB_T_STATE 0
-#define S_TCB_T_STATE 0
-#define M_TCB_T_STATE 0xfULL
-#define V_TCB_T_STATE(x) ((x) << S_TCB_T_STATE)
-
-#define W_TCB_TIMER 0
-#define S_TCB_TIMER 4
-#define M_TCB_TIMER 0x1ULL
-#define V_TCB_TIMER(x) ((x) << S_TCB_TIMER)
-
-#define W_TCB_DACK_TIMER 0
-#define S_TCB_DACK_TIMER 5
-#define M_TCB_DACK_TIMER 0x1ULL
-#define V_TCB_DACK_TIMER(x) ((x) << S_TCB_DACK_TIMER)
-
-#define W_TCB_DEL_FLAG 0
-#define S_TCB_DEL_FLAG 6
-#define M_TCB_DEL_FLAG 0x1ULL
-#define V_TCB_DEL_FLAG(x) ((x) << S_TCB_DEL_FLAG)
-
-#define W_TCB_L2T_IX 0
-#define S_TCB_L2T_IX 7
-#define M_TCB_L2T_IX 0x7ffULL
-#define V_TCB_L2T_IX(x) ((x) << S_TCB_L2T_IX)
-
-#define W_TCB_SMAC_SEL 0
-#define S_TCB_SMAC_SEL 18
-#define M_TCB_SMAC_SEL 0x3ULL
-#define V_TCB_SMAC_SEL(x) ((x) << S_TCB_SMAC_SEL)
-
-#define W_TCB_TOS 0
-#define S_TCB_TOS 20
-#define M_TCB_TOS 0x3fULL
-#define V_TCB_TOS(x) ((x) << S_TCB_TOS)
-
-#define W_TCB_MAX_RT 0
-#define S_TCB_MAX_RT 26
-#define M_TCB_MAX_RT 0xfULL
-#define V_TCB_MAX_RT(x) ((x) << S_TCB_MAX_RT)
-
-#define W_TCB_T_RXTSHIFT 0
-#define S_TCB_T_RXTSHIFT 30
-#define M_TCB_T_RXTSHIFT 0xfULL
-#define V_TCB_T_RXTSHIFT(x) ((x) << S_TCB_T_RXTSHIFT)
-
-#define W_TCB_T_DUPACKS 1
-#define S_TCB_T_DUPACKS 2
-#define M_TCB_T_DUPACKS 0xfULL
-#define V_TCB_T_DUPACKS(x) ((x) << S_TCB_T_DUPACKS)
-
-#define W_TCB_T_MAXSEG 1
-#define S_TCB_T_MAXSEG 6
-#define M_TCB_T_MAXSEG 0xfULL
-#define V_TCB_T_MAXSEG(x) ((x) << S_TCB_T_MAXSEG)
-
-#define W_TCB_T_FLAGS1 1
-#define S_TCB_T_FLAGS1 10
-#define M_TCB_T_FLAGS1 0xffffffffULL
-#define V_TCB_T_FLAGS1(x) ((x) << S_TCB_T_FLAGS1)
-
-#define W_TCB_T_MIGRATION 1
-#define S_TCB_T_MIGRATION 20
-#define M_TCB_T_MIGRATION 0x1ULL
-#define V_TCB_T_MIGRATION(x) ((x) << S_TCB_T_MIGRATION)
-
-#define W_TCB_T_FLAGS2 2
-#define S_TCB_T_FLAGS2 10
-#define M_TCB_T_FLAGS2 0x7fULL
-#define V_TCB_T_FLAGS2(x) ((x) << S_TCB_T_FLAGS2)
-
-#define W_TCB_SND_SCALE 2
-#define S_TCB_SND_SCALE 17
-#define M_TCB_SND_SCALE 0xfULL
-#define V_TCB_SND_SCALE(x) ((x) << S_TCB_SND_SCALE)
-
-#define W_TCB_RCV_SCALE 2
-#define S_TCB_RCV_SCALE 21
-#define M_TCB_RCV_SCALE 0xfULL
-#define V_TCB_RCV_SCALE(x) ((x) << S_TCB_RCV_SCALE)
-
-#define W_TCB_SND_UNA_RAW 2
-#define S_TCB_SND_UNA_RAW 25
-#define M_TCB_SND_UNA_RAW 0x7ffffffULL
-#define V_TCB_SND_UNA_RAW(x) ((x) << S_TCB_SND_UNA_RAW)
-
-#define W_TCB_SND_NXT_RAW 3
-#define S_TCB_SND_NXT_RAW 20
-#define M_TCB_SND_NXT_RAW 0x7ffffffULL
-#define V_TCB_SND_NXT_RAW(x) ((x) << S_TCB_SND_NXT_RAW)
-
-#define W_TCB_RCV_NXT 4
-#define S_TCB_RCV_NXT 15
-#define M_TCB_RCV_NXT 0xffffffffULL
-#define V_TCB_RCV_NXT(x) ((x) << S_TCB_RCV_NXT)
-
-#define W_TCB_RCV_ADV 5
-#define S_TCB_RCV_ADV 15
-#define M_TCB_RCV_ADV 0xffffULL
-#define V_TCB_RCV_ADV(x) ((x) << S_TCB_RCV_ADV)
-
-#define W_TCB_SND_MAX_RAW 5
-#define S_TCB_SND_MAX_RAW 31
-#define M_TCB_SND_MAX_RAW 0x7ffffffULL
-#define V_TCB_SND_MAX_RAW(x) ((x) << S_TCB_SND_MAX_RAW)
-
-#define W_TCB_SND_CWND 6
-#define S_TCB_SND_CWND 26
-#define M_TCB_SND_CWND 0x7ffffffULL
-#define V_TCB_SND_CWND(x) ((x) << S_TCB_SND_CWND)
-
-#define W_TCB_SND_SSTHRESH 7
-#define S_TCB_SND_SSTHRESH 21
-#define M_TCB_SND_SSTHRESH 0x7ffffffULL
-#define V_TCB_SND_SSTHRESH(x) ((x) << S_TCB_SND_SSTHRESH)
-
-#define W_TCB_T_RTT_TS_RECENT_AGE 8
-#define S_TCB_T_RTT_TS_RECENT_AGE 16
-#define M_TCB_T_RTT_TS_RECENT_AGE 0xffffffffULL
-#define V_TCB_T_RTT_TS_RECENT_AGE(x) ((x) << S_TCB_T_RTT_TS_RECENT_AGE)
-
-#define W_TCB_T_RTSEQ_RECENT 9
-#define S_TCB_T_RTSEQ_RECENT 16
-#define M_TCB_T_RTSEQ_RECENT 0xffffffffULL
-#define V_TCB_T_RTSEQ_RECENT(x) ((x) << S_TCB_T_RTSEQ_RECENT)
-
-#define W_TCB_T_SRTT 10
-#define S_TCB_T_SRTT 16
-#define M_TCB_T_SRTT 0xffffULL
-#define V_TCB_T_SRTT(x) ((x) << S_TCB_T_SRTT)
-
-#define W_TCB_T_RTTVAR 11
-#define S_TCB_T_RTTVAR 0
-#define M_TCB_T_RTTVAR 0xffffULL
-#define V_TCB_T_RTTVAR(x) ((x) << S_TCB_T_RTTVAR)
-
-#define W_TCB_TS_LAST_ACK_SENT_RAW 11
-#define S_TCB_TS_LAST_ACK_SENT_RAW 16
-#define M_TCB_TS_LAST_ACK_SENT_RAW 0x7ffffffULL
-#define V_TCB_TS_LAST_ACK_SENT_RAW(x) ((x) << S_TCB_TS_LAST_ACK_SENT_RAW)
-
-#define W_TCB_DIP 12
-#define S_TCB_DIP 11
-#define M_TCB_DIP 0xffffffffULL
-#define V_TCB_DIP(x) ((x) << S_TCB_DIP)
-
-#define W_TCB_SIP 13
-#define S_TCB_SIP 11
-#define M_TCB_SIP 0xffffffffULL
-#define V_TCB_SIP(x) ((x) << S_TCB_SIP)
-
-#define W_TCB_DP 14
-#define S_TCB_DP 11
-#define M_TCB_DP 0xffffULL
-#define V_TCB_DP(x) ((x) << S_TCB_DP)
-
-#define W_TCB_SP 14
-#define S_TCB_SP 27
-#define M_TCB_SP 0xffffULL
-#define V_TCB_SP(x) ((x) << S_TCB_SP)
-
-#define W_TCB_TIMESTAMP 15
-#define S_TCB_TIMESTAMP 11
-#define M_TCB_TIMESTAMP 0xffffffffULL
-#define V_TCB_TIMESTAMP(x) ((x) << S_TCB_TIMESTAMP)
-
-#define W_TCB_TIMESTAMP_OFFSET 16
-#define S_TCB_TIMESTAMP_OFFSET 11
-#define M_TCB_TIMESTAMP_OFFSET 0xfULL
-#define V_TCB_TIMESTAMP_OFFSET(x) ((x) << S_TCB_TIMESTAMP_OFFSET)
-
-#define W_TCB_TX_MAX 16
-#define S_TCB_TX_MAX 15
-#define M_TCB_TX_MAX 0xffffffffULL
-#define V_TCB_TX_MAX(x) ((x) << S_TCB_TX_MAX)
-
-#define W_TCB_TX_HDR_PTR_RAW 17
-#define S_TCB_TX_HDR_PTR_RAW 15
-#define M_TCB_TX_HDR_PTR_RAW 0x1ffffULL
-#define V_TCB_TX_HDR_PTR_RAW(x) ((x) << S_TCB_TX_HDR_PTR_RAW)
-
-#define W_TCB_TX_LAST_PTR_RAW 18
-#define S_TCB_TX_LAST_PTR_RAW 0
-#define M_TCB_TX_LAST_PTR_RAW 0x1ffffULL
-#define V_TCB_TX_LAST_PTR_RAW(x) ((x) << S_TCB_TX_LAST_PTR_RAW)
-
-#define W_TCB_TX_COMPACT 18
-#define S_TCB_TX_COMPACT 17
-#define M_TCB_TX_COMPACT 0x1ULL
-#define V_TCB_TX_COMPACT(x) ((x) << S_TCB_TX_COMPACT)
-
-#define W_TCB_RX_COMPACT 18
-#define S_TCB_RX_COMPACT 18
-#define M_TCB_RX_COMPACT 0x1ULL
-#define V_TCB_RX_COMPACT(x) ((x) << S_TCB_RX_COMPACT)
-
-#define W_TCB_RCV_WND 18
-#define S_TCB_RCV_WND 19
-#define M_TCB_RCV_WND 0x7ffffffULL
-#define V_TCB_RCV_WND(x) ((x) << S_TCB_RCV_WND)
-
-#define W_TCB_RX_HDR_OFFSET 19
-#define S_TCB_RX_HDR_OFFSET 14
-#define M_TCB_RX_HDR_OFFSET 0x7ffffffULL
-#define V_TCB_RX_HDR_OFFSET(x) ((x) << S_TCB_RX_HDR_OFFSET)
-
-#define W_TCB_RX_FRAG0_START_IDX_RAW 20
-#define S_TCB_RX_FRAG0_START_IDX_RAW 9
-#define M_TCB_RX_FRAG0_START_IDX_RAW 0x7ffffffULL
-#define V_TCB_RX_FRAG0_START_IDX_RAW(x) ((x) << S_TCB_RX_FRAG0_START_IDX_RAW)
-
-#define W_TCB_RX_FRAG1_START_IDX_OFFSET 21
-#define S_TCB_RX_FRAG1_START_IDX_OFFSET 4
-#define M_TCB_RX_FRAG1_START_IDX_OFFSET 0x7ffffffULL
-#define V_TCB_RX_FRAG1_START_IDX_OFFSET(x) ((x) << S_TCB_RX_FRAG1_START_IDX_OFFSET)
-
-#define W_TCB_RX_FRAG0_LEN 21
-#define S_TCB_RX_FRAG0_LEN 31
-#define M_TCB_RX_FRAG0_LEN 0x7ffffffULL
-#define V_TCB_RX_FRAG0_LEN(x) ((x) << S_TCB_RX_FRAG0_LEN)
-
-#define W_TCB_RX_FRAG1_LEN 22
-#define S_TCB_RX_FRAG1_LEN 26
-#define M_TCB_RX_FRAG1_LEN 0x7ffffffULL
-#define V_TCB_RX_FRAG1_LEN(x) ((x) << S_TCB_RX_FRAG1_LEN)
-
-#define W_TCB_NEWRENO_RECOVER 23
-#define S_TCB_NEWRENO_RECOVER 21
-#define M_TCB_NEWRENO_RECOVER 0x7ffffffULL
-#define V_TCB_NEWRENO_RECOVER(x) ((x) << S_TCB_NEWRENO_RECOVER)
-
-#define W_TCB_PDU_HAVE_LEN 24
-#define S_TCB_PDU_HAVE_LEN 16
-#define M_TCB_PDU_HAVE_LEN 0x1ULL
-#define V_TCB_PDU_HAVE_LEN(x) ((x) << S_TCB_PDU_HAVE_LEN)
-
-#define W_TCB_PDU_LEN 24
-#define S_TCB_PDU_LEN 17
-#define M_TCB_PDU_LEN 0xffffULL
-#define V_TCB_PDU_LEN(x) ((x) << S_TCB_PDU_LEN)
-
-#define W_TCB_RX_QUIESCE 25
-#define S_TCB_RX_QUIESCE 1
-#define M_TCB_RX_QUIESCE 0x1ULL
-#define V_TCB_RX_QUIESCE(x) ((x) << S_TCB_RX_QUIESCE)
-
-#define W_TCB_RX_PTR_RAW 25
-#define S_TCB_RX_PTR_RAW 2
-#define M_TCB_RX_PTR_RAW 0x1ffffULL
-#define V_TCB_RX_PTR_RAW(x) ((x) << S_TCB_RX_PTR_RAW)
-
-#define W_TCB_CPU_NO 25
-#define S_TCB_CPU_NO 19
-#define M_TCB_CPU_NO 0x7fULL
-#define V_TCB_CPU_NO(x) ((x) << S_TCB_CPU_NO)
-
-#define W_TCB_ULP_TYPE 25
-#define S_TCB_ULP_TYPE 26
-#define M_TCB_ULP_TYPE 0xfULL
-#define V_TCB_ULP_TYPE(x) ((x) << S_TCB_ULP_TYPE)
-
-#define W_TCB_RX_FRAG1_PTR_RAW 25
-#define S_TCB_RX_FRAG1_PTR_RAW 30
-#define M_TCB_RX_FRAG1_PTR_RAW 0x1ffffULL
-#define V_TCB_RX_FRAG1_PTR_RAW(x) ((x) << S_TCB_RX_FRAG1_PTR_RAW)
-
-#define W_TCB_RX_FRAG2_START_IDX_OFFSET_RAW 26
-#define S_TCB_RX_FRAG2_START_IDX_OFFSET_RAW 15
-#define M_TCB_RX_FRAG2_START_IDX_OFFSET_RAW 0x7ffffffULL
-#define V_TCB_RX_FRAG2_START_IDX_OFFSET_RAW(x) ((x) << S_TCB_RX_FRAG2_START_IDX_OFFSET_RAW)
-
-#define W_TCB_RX_FRAG2_PTR_RAW 27
-#define S_TCB_RX_FRAG2_PTR_RAW 10
-#define M_TCB_RX_FRAG2_PTR_RAW 0x1ffffULL
-#define V_TCB_RX_FRAG2_PTR_RAW(x) ((x) << S_TCB_RX_FRAG2_PTR_RAW)
-
-#define W_TCB_RX_FRAG2_LEN_RAW 27
-#define S_TCB_RX_FRAG2_LEN_RAW 27
-#define M_TCB_RX_FRAG2_LEN_RAW 0x7ffffffULL
-#define V_TCB_RX_FRAG2_LEN_RAW(x) ((x) << S_TCB_RX_FRAG2_LEN_RAW)
-
-#define W_TCB_RX_FRAG3_PTR_RAW 28
-#define S_TCB_RX_FRAG3_PTR_RAW 22
-#define M_TCB_RX_FRAG3_PTR_RAW 0x1ffffULL
-#define V_TCB_RX_FRAG3_PTR_RAW(x) ((x) << S_TCB_RX_FRAG3_PTR_RAW)
-
-#define W_TCB_RX_FRAG3_LEN_RAW 29
-#define S_TCB_RX_FRAG3_LEN_RAW 7
-#define M_TCB_RX_FRAG3_LEN_RAW 0x7ffffffULL
-#define V_TCB_RX_FRAG3_LEN_RAW(x) ((x) << S_TCB_RX_FRAG3_LEN_RAW)
-
-#define W_TCB_RX_FRAG3_START_IDX_OFFSET_RAW 30
-#define S_TCB_RX_FRAG3_START_IDX_OFFSET_RAW 2
-#define M_TCB_RX_FRAG3_START_IDX_OFFSET_RAW 0x7ffffffULL
-#define V_TCB_RX_FRAG3_START_IDX_OFFSET_RAW(x) ((x) << S_TCB_RX_FRAG3_START_IDX_OFFSET_RAW)
-
-#define W_TCB_PDU_HDR_LEN 30
-#define S_TCB_PDU_HDR_LEN 29
-#define M_TCB_PDU_HDR_LEN 0xffULL
-#define V_TCB_PDU_HDR_LEN(x) ((x) << S_TCB_PDU_HDR_LEN)
-
-#define W_TCB_SLUSH1 31
-#define S_TCB_SLUSH1 5
-#define M_TCB_SLUSH1 0x7ffffULL
-#define V_TCB_SLUSH1(x) ((x) << S_TCB_SLUSH1)
-
-#define W_TCB_ULP_RAW 31
-#define S_TCB_ULP_RAW 24
-#define M_TCB_ULP_RAW 0xffULL
-#define V_TCB_ULP_RAW(x) ((x) << S_TCB_ULP_RAW)
-
-#define W_TCB_DDP_RDMAP_VERSION 25
-#define S_TCB_DDP_RDMAP_VERSION 30
-#define M_TCB_DDP_RDMAP_VERSION 0x1ULL
-#define V_TCB_DDP_RDMAP_VERSION(x) ((x) << S_TCB_DDP_RDMAP_VERSION)
-
-#define W_TCB_MARKER_ENABLE_RX 25
-#define S_TCB_MARKER_ENABLE_RX 31
-#define M_TCB_MARKER_ENABLE_RX 0x1ULL
-#define V_TCB_MARKER_ENABLE_RX(x) ((x) << S_TCB_MARKER_ENABLE_RX)
-
-#define W_TCB_MARKER_ENABLE_TX 26
-#define S_TCB_MARKER_ENABLE_TX 0
-#define M_TCB_MARKER_ENABLE_TX 0x1ULL
-#define V_TCB_MARKER_ENABLE_TX(x) ((x) << S_TCB_MARKER_ENABLE_TX)
-
-#define W_TCB_CRC_ENABLE 26
-#define S_TCB_CRC_ENABLE 1
-#define M_TCB_CRC_ENABLE 0x1ULL
-#define V_TCB_CRC_ENABLE(x) ((x) << S_TCB_CRC_ENABLE)
-
-#define W_TCB_IRS_ULP 26
-#define S_TCB_IRS_ULP 2
-#define M_TCB_IRS_ULP 0x1ffULL
-#define V_TCB_IRS_ULP(x) ((x) << S_TCB_IRS_ULP)
-
-#define W_TCB_ISS_ULP 26
-#define S_TCB_ISS_ULP 11
-#define M_TCB_ISS_ULP 0x1ffULL
-#define V_TCB_ISS_ULP(x) ((x) << S_TCB_ISS_ULP)
-
-#define W_TCB_TX_PDU_LEN 26
-#define S_TCB_TX_PDU_LEN 20
-#define M_TCB_TX_PDU_LEN 0x3fffULL
-#define V_TCB_TX_PDU_LEN(x) ((x) << S_TCB_TX_PDU_LEN)
-
-#define W_TCB_TX_PDU_OUT 27
-#define S_TCB_TX_PDU_OUT 2
-#define M_TCB_TX_PDU_OUT 0x1ULL
-#define V_TCB_TX_PDU_OUT(x) ((x) << S_TCB_TX_PDU_OUT)
-
-#define W_TCB_CQ_IDX_SQ 27
-#define S_TCB_CQ_IDX_SQ 3
-#define M_TCB_CQ_IDX_SQ 0xffffULL
-#define V_TCB_CQ_IDX_SQ(x) ((x) << S_TCB_CQ_IDX_SQ)
-
-#define W_TCB_CQ_IDX_RQ 27
-#define S_TCB_CQ_IDX_RQ 19
-#define M_TCB_CQ_IDX_RQ 0xffffULL
-#define V_TCB_CQ_IDX_RQ(x) ((x) << S_TCB_CQ_IDX_RQ)
-
-#define W_TCB_QP_ID 28
-#define S_TCB_QP_ID 3
-#define M_TCB_QP_ID 0xffffULL
-#define V_TCB_QP_ID(x) ((x) << S_TCB_QP_ID)
-
-#define W_TCB_PD_ID 28
-#define S_TCB_PD_ID 19
-#define M_TCB_PD_ID 0xffffULL
-#define V_TCB_PD_ID(x) ((x) << S_TCB_PD_ID)
-
-#define W_TCB_STAG 29
-#define S_TCB_STAG 3
-#define M_TCB_STAG 0xffffffffULL
-#define V_TCB_STAG(x) ((x) << S_TCB_STAG)
-
-#define W_TCB_RQ_START 30
-#define S_TCB_RQ_START 3
-#define M_TCB_RQ_START 0x3ffffffULL
-#define V_TCB_RQ_START(x) ((x) << S_TCB_RQ_START)
-
-#define W_TCB_RQ_MSN 30
-#define S_TCB_RQ_MSN 29
-#define M_TCB_RQ_MSN 0x3ffULL
-#define V_TCB_RQ_MSN(x) ((x) << S_TCB_RQ_MSN)
-
-#define W_TCB_RQ_MAX_OFFSET 31
-#define S_TCB_RQ_MAX_OFFSET 7
-#define M_TCB_RQ_MAX_OFFSET 0xfULL
-#define V_TCB_RQ_MAX_OFFSET(x) ((x) << S_TCB_RQ_MAX_OFFSET)
-
-#define W_TCB_RQ_WRITE_PTR 31
-#define S_TCB_RQ_WRITE_PTR 11
-#define M_TCB_RQ_WRITE_PTR 0x3ffULL
-#define V_TCB_RQ_WRITE_PTR(x) ((x) << S_TCB_RQ_WRITE_PTR)
-
-#define W_TCB_INB_WRITE_PERM 31
-#define S_TCB_INB_WRITE_PERM 21
-#define M_TCB_INB_WRITE_PERM 0x1ULL
-#define V_TCB_INB_WRITE_PERM(x) ((x) << S_TCB_INB_WRITE_PERM)
-
-#define W_TCB_INB_READ_PERM 31
-#define S_TCB_INB_READ_PERM 22
-#define M_TCB_INB_READ_PERM 0x1ULL
-#define V_TCB_INB_READ_PERM(x) ((x) << S_TCB_INB_READ_PERM)
-
-#define W_TCB_ORD_L_BIT_VLD 31
-#define S_TCB_ORD_L_BIT_VLD 23
-#define M_TCB_ORD_L_BIT_VLD 0x1ULL
-#define V_TCB_ORD_L_BIT_VLD(x) ((x) << S_TCB_ORD_L_BIT_VLD)
-
-#define W_TCB_RDMAP_OPCODE 31
-#define S_TCB_RDMAP_OPCODE 24
-#define M_TCB_RDMAP_OPCODE 0xfULL
-#define V_TCB_RDMAP_OPCODE(x) ((x) << S_TCB_RDMAP_OPCODE)
-
-#define W_TCB_TX_FLUSH 31
-#define S_TCB_TX_FLUSH 28
-#define M_TCB_TX_FLUSH 0x1ULL
-#define V_TCB_TX_FLUSH(x) ((x) << S_TCB_TX_FLUSH)
-
-#define W_TCB_TX_OOS_RXMT 31
-#define S_TCB_TX_OOS_RXMT 29
-#define M_TCB_TX_OOS_RXMT 0x1ULL
-#define V_TCB_TX_OOS_RXMT(x) ((x) << S_TCB_TX_OOS_RXMT)
-
-#define W_TCB_TX_OOS_TXMT 31
-#define S_TCB_TX_OOS_TXMT 30
-#define M_TCB_TX_OOS_TXMT 0x1ULL
-#define V_TCB_TX_OOS_TXMT(x) ((x) << S_TCB_TX_OOS_TXMT)
-
-#define W_TCB_SLUSH_AUX2 31
-#define S_TCB_SLUSH_AUX2 31
-#define M_TCB_SLUSH_AUX2 0x1ULL
-#define V_TCB_SLUSH_AUX2(x) ((x) << S_TCB_SLUSH_AUX2)
-
-#define W_TCB_RX_FRAG1_PTR_RAW2 25
-#define S_TCB_RX_FRAG1_PTR_RAW2 30
-#define M_TCB_RX_FRAG1_PTR_RAW2 0x1ffffULL
-#define V_TCB_RX_FRAG1_PTR_RAW2(x) ((x) << S_TCB_RX_FRAG1_PTR_RAW2)
-
-#define W_TCB_RX_DDP_FLAGS 26
-#define S_TCB_RX_DDP_FLAGS 15
-#define M_TCB_RX_DDP_FLAGS 0x3ffULL
-#define V_TCB_RX_DDP_FLAGS(x) ((x) << S_TCB_RX_DDP_FLAGS)
-
-#define W_TCB_SLUSH_AUX3 26
-#define S_TCB_SLUSH_AUX3 31
-#define M_TCB_SLUSH_AUX3 0x1ffULL
-#define V_TCB_SLUSH_AUX3(x) ((x) << S_TCB_SLUSH_AUX3)
-
-#define W_TCB_RX_DDP_BUF0_OFFSET 27
-#define S_TCB_RX_DDP_BUF0_OFFSET 8
-#define M_TCB_RX_DDP_BUF0_OFFSET 0x3fffffULL
-#define V_TCB_RX_DDP_BUF0_OFFSET(x) ((x) << S_TCB_RX_DDP_BUF0_OFFSET)
-
-#define W_TCB_RX_DDP_BUF0_LEN 27
-#define S_TCB_RX_DDP_BUF0_LEN 30
-#define M_TCB_RX_DDP_BUF0_LEN 0x3fffffULL
-#define V_TCB_RX_DDP_BUF0_LEN(x) ((x) << S_TCB_RX_DDP_BUF0_LEN)
-
-#define W_TCB_RX_DDP_BUF1_OFFSET 28
-#define S_TCB_RX_DDP_BUF1_OFFSET 20
-#define M_TCB_RX_DDP_BUF1_OFFSET 0x3fffffULL
-#define V_TCB_RX_DDP_BUF1_OFFSET(x) ((x) << S_TCB_RX_DDP_BUF1_OFFSET)
-
-#define W_TCB_RX_DDP_BUF1_LEN 29
-#define S_TCB_RX_DDP_BUF1_LEN 10
-#define M_TCB_RX_DDP_BUF1_LEN 0x3fffffULL
-#define V_TCB_RX_DDP_BUF1_LEN(x) ((x) << S_TCB_RX_DDP_BUF1_LEN)
-
-#define W_TCB_RX_DDP_BUF0_TAG 30
-#define S_TCB_RX_DDP_BUF0_TAG 0
-#define M_TCB_RX_DDP_BUF0_TAG 0xffffffffULL
-#define V_TCB_RX_DDP_BUF0_TAG(x) ((x) << S_TCB_RX_DDP_BUF0_TAG)
-
-#define W_TCB_RX_DDP_BUF1_TAG 31
-#define S_TCB_RX_DDP_BUF1_TAG 0
-#define M_TCB_RX_DDP_BUF1_TAG 0xffffffffULL
-#define V_TCB_RX_DDP_BUF1_TAG(x) ((x) << S_TCB_RX_DDP_BUF1_TAG)
-
-#define S_TF_DACK 10
-#define V_TF_DACK(x) ((x) << S_TF_DACK)
-
-#define S_TF_NAGLE 11
-#define V_TF_NAGLE(x) ((x) << S_TF_NAGLE)
-
-#define S_TF_RECV_SCALE 12
-#define V_TF_RECV_SCALE(x) ((x) << S_TF_RECV_SCALE)
-
-#define S_TF_RECV_TSTMP 13
-#define V_TF_RECV_TSTMP(x) ((x) << S_TF_RECV_TSTMP)
-
-#define S_TF_RECV_SACK 14
-#define V_TF_RECV_SACK(x) ((x) << S_TF_RECV_SACK)
-
-#define S_TF_TURBO 15
-#define V_TF_TURBO(x) ((x) << S_TF_TURBO)
-
-#define S_TF_KEEPALIVE 16
-#define V_TF_KEEPALIVE(x) ((x) << S_TF_KEEPALIVE)
-
-#define S_TF_TCAM_BYPASS 17
-#define V_TF_TCAM_BYPASS(x) ((x) << S_TF_TCAM_BYPASS)
-
-#define S_TF_CORE_FIN 18
-#define V_TF_CORE_FIN(x) ((x) << S_TF_CORE_FIN)
-
-#define S_TF_CORE_MORE 19
-#define V_TF_CORE_MORE(x) ((x) << S_TF_CORE_MORE)
-
-#define S_TF_MIGRATING 20
-#define V_TF_MIGRATING(x) ((x) << S_TF_MIGRATING)
-
-#define S_TF_ACTIVE_OPEN 21
-#define V_TF_ACTIVE_OPEN(x) ((x) << S_TF_ACTIVE_OPEN)
-
-#define S_TF_ASK_MODE 22
-#define V_TF_ASK_MODE(x) ((x) << S_TF_ASK_MODE)
-
-#define S_TF_NON_OFFLOAD 23
-#define V_TF_NON_OFFLOAD(x) ((x) << S_TF_NON_OFFLOAD)
-
-#define S_TF_MOD_SCHD 24
-#define V_TF_MOD_SCHD(x) ((x) << S_TF_MOD_SCHD)
-
-#define S_TF_MOD_SCHD_REASON0 25
-#define V_TF_MOD_SCHD_REASON0(x) ((x) << S_TF_MOD_SCHD_REASON0)
-
-#define S_TF_MOD_SCHD_REASON1 26
-#define V_TF_MOD_SCHD_REASON1(x) ((x) << S_TF_MOD_SCHD_REASON1)
-
-#define S_TF_MOD_SCHD_RX 27
-#define V_TF_MOD_SCHD_RX(x) ((x) << S_TF_MOD_SCHD_RX)
-
-#define S_TF_CORE_PUSH 28
-#define V_TF_CORE_PUSH(x) ((x) << S_TF_CORE_PUSH)
-
-#define S_TF_RCV_COALESCE_ENABLE 29
-#define V_TF_RCV_COALESCE_ENABLE(x) ((x) << S_TF_RCV_COALESCE_ENABLE)
-
-#define S_TF_RCV_COALESCE_PUSH 30
-#define V_TF_RCV_COALESCE_PUSH(x) ((x) << S_TF_RCV_COALESCE_PUSH)
-
-#define S_TF_RCV_COALESCE_LAST_PSH 31
-#define V_TF_RCV_COALESCE_LAST_PSH(x) ((x) << S_TF_RCV_COALESCE_LAST_PSH)
-
-#define S_TF_RCV_COALESCE_HEARTBEAT 32
-#define V_TF_RCV_COALESCE_HEARTBEAT(x) ((x) << S_TF_RCV_COALESCE_HEARTBEAT)
-
-#define S_TF_HALF_CLOSE 33
-#define V_TF_HALF_CLOSE(x) ((x) << S_TF_HALF_CLOSE)
-
-#define S_TF_DACK_MSS 34
-#define V_TF_DACK_MSS(x) ((x) << S_TF_DACK_MSS)
-
-#define S_TF_CCTRL_SEL0 35
-#define V_TF_CCTRL_SEL0(x) ((x) << S_TF_CCTRL_SEL0)
-
-#define S_TF_CCTRL_SEL1 36
-#define V_TF_CCTRL_SEL1(x) ((x) << S_TF_CCTRL_SEL1)
-
-#define S_TF_TCP_NEWRENO_FAST_RECOVERY 37
-#define V_TF_TCP_NEWRENO_FAST_RECOVERY(x) ((x) << S_TF_TCP_NEWRENO_FAST_RECOVERY)
-
-#define S_TF_TX_PACE_AUTO 38
-#define V_TF_TX_PACE_AUTO(x) ((x) << S_TF_TX_PACE_AUTO)
-
-#define S_TF_PEER_FIN_HELD 39
-#define V_TF_PEER_FIN_HELD(x) ((x) << S_TF_PEER_FIN_HELD)
-
-#define S_TF_CORE_URG 40
-#define V_TF_CORE_URG(x) ((x) << S_TF_CORE_URG)
-
-#define S_TF_RDMA_ERROR 41
-#define V_TF_RDMA_ERROR(x) ((x) << S_TF_RDMA_ERROR)
-
-#define S_TF_SSWS_DISABLED 42
-#define V_TF_SSWS_DISABLED(x) ((x) << S_TF_SSWS_DISABLED)
-
-#define S_TF_DUPACK_COUNT_ODD 43
-#define V_TF_DUPACK_COUNT_ODD(x) ((x) << S_TF_DUPACK_COUNT_ODD)
-
-#define S_TF_TX_CHANNEL 44
-#define V_TF_TX_CHANNEL(x) ((x) << S_TF_TX_CHANNEL)
-
-#define S_TF_RX_CHANNEL 45
-#define V_TF_RX_CHANNEL(x) ((x) << S_TF_RX_CHANNEL)
-
-#define S_TF_TX_PACE_FIXED 46
-#define V_TF_TX_PACE_FIXED(x) ((x) << S_TF_TX_PACE_FIXED)
-
-#define S_TF_RDMA_FLM_ERROR 47
-#define V_TF_RDMA_FLM_ERROR(x) ((x) << S_TF_RDMA_FLM_ERROR)
-
-#define S_TF_RX_FLOW_CONTROL_DISABLE 48
-#define V_TF_RX_FLOW_CONTROL_DISABLE(x) ((x) << S_TF_RX_FLOW_CONTROL_DISABLE)
-
-#endif /* _TCB_DEFS_H */
deleted file mode 100644
@@ -1,82 +0,0 @@
-/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
-/*
- * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef CXGB3_ABI_USER_H
-#define CXGB3_ABI_USER_H
-
-#include <linux/types.h>
-
-#define IWCH_UVERBS_ABI_VERSION 1
-
-/*
- * Make sure that all structs defined in this file remain laid out so
- * that they pack the same way on 32-bit and 64-bit architectures (to
- * avoid incompatibility between 32-bit userspace and 64-bit kernels).
- * In particular do not use pointer types -- pass pointers in __aligned_u64
- * instead.
- */
-struct iwch_create_cq_req {
- __aligned_u64 user_rptr_addr;
-};
-
-struct iwch_create_cq_resp_v0 {
- __aligned_u64 key;
- __u32 cqid;
- __u32 size_log2;
-};
-
-struct iwch_create_cq_resp {
- __aligned_u64 key;
- __u32 cqid;
- __u32 size_log2;
- __u32 memsize;
- __u32 reserved;
-};
-
-struct iwch_create_qp_resp {
- __aligned_u64 key;
- __aligned_u64 db_key;
- __u32 qpid;
- __u32 size_log2;
- __u32 sq_size_log2;
- __u32 rq_size_log2;
-};
-
-struct iwch_reg_user_mr_resp {
- __u32 pbl_addr;
-};
-
-struct iwch_alloc_pd_resp {
- __u32 pdid;
-};
-
-#endif /* CXGB3_ABI_USER_H */
@@ -88,7 +88,6 @@ enum rdma_driver_id {
RDMA_DRIVER_UNKNOWN,
RDMA_DRIVER_MLX5,
RDMA_DRIVER_MLX4,
- RDMA_DRIVER_CXGB3,
RDMA_DRIVER_CXGB4,
RDMA_DRIVER_MTHCA,
RDMA_DRIVER_BNXT_RE,