From patchwork Wed Jul 12 14:17:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aviad Krawczyk X-Patchwork-Id: 787276 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3x71Kj5dNsz9s2s for ; Thu, 13 Jul 2017 00:19:21 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752875AbdGLOTJ (ORCPT ); Wed, 12 Jul 2017 10:19:09 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:9750 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752714AbdGLOTI (ORCPT ); Wed, 12 Jul 2017 10:19:08 -0400 Received: from 172.30.72.53 (EHLO DGGEML402-HUB.china.huawei.com) ([172.30.72.53]) by dggrg01-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id ARZ37971; Wed, 12 Jul 2017 22:18:52 +0800 (CST) Received: from SZV1000299114.huawei.com (10.162.197.60) by DGGEML402-HUB.china.huawei.com (10.3.17.38) with Microsoft SMTP Server id 14.3.301.0; Wed, 12 Jul 2017 22:18:44 +0800 From: Aviad Krawczyk To: CC: , , , , , , Subject: [PATCH net 03/20] net/hinic: Initialize api cmd resources Date: Wed, 12 Jul 2017 22:17:09 +0800 Message-ID: X-Mailer: git-send-email 1.9.1 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.162.197.60] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020204.59662FCC.0223, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 5b39725b2f95ab1f155a06f247c0d256 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Initialize api cmd resources as part of the management initialization. Signed-off-by: Aviad Krawczyk Signed-off-by: Zhaochen --- drivers/net/ethernet/huawei/hinic/Makefile | 4 +- .../net/ethernet/huawei/hinic/hinic_hw_api_cmd.c | 458 +++++++++++++++++++++ .../net/ethernet/huawei/hinic/hinic_hw_api_cmd.h | 102 +++++ drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c | 11 + drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h | 3 + 5 files changed, 576 insertions(+), 2 deletions(-) create mode 100644 drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c create mode 100644 drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h diff --git a/drivers/net/ethernet/huawei/hinic/Makefile b/drivers/net/ethernet/huawei/hinic/Makefile index d080dfb..88223d0 100644 --- a/drivers/net/ethernet/huawei/hinic/Makefile +++ b/drivers/net/ethernet/huawei/hinic/Makefile @@ -1,4 +1,4 @@ obj-$(CONFIG_HINIC) += hinic.o -hinic-y := hinic_main.o hinic_hw_dev.o hinic_hw_mgmt.o hinic_hw_eqs.o \ - hinic_hw_if.o \ No newline at end of file +hinic-y := hinic_main.o hinic_hw_dev.o hinic_hw_mgmt.o hinic_hw_api_cmd.o \ + hinic_hw_eqs.o hinic_hw_if.o \ No newline at end of file diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c new file mode 100644 index 0000000..dc80fa7 --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c @@ -0,0 +1,458 @@ +/* + * Huawei HiNIC PCI Express Linux driver + * Copyright(c) 2017 Huawei Technologies Co., Ltd + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hinic_hw_if.h" +#include "hinic_hw_api_cmd.h" + +#define API_CHAIN_NUM_CELLS 32 + +#define API_CMD_CELL_SIZE_SHIFT 6 +#define API_CMD_CELL_SIZE_MIN (BIT(API_CMD_CELL_SIZE_SHIFT)) + +#define API_CMD_CELL_SIZE(cell_size) \ + (((cell_size) >= API_CMD_CELL_SIZE_MIN) ? \ + (1 << (fls(cell_size - 1))) : API_CMD_CELL_SIZE_MIN) + +#define API_CMD_BUF_SIZE 2048 + +/** + * api_cmd_chain_hw_init - initialize the chain in the HW + * @chain: the API CMD specific chain to initialize in HW + * + * Return 0 - Success, negative - Failure + **/ +static int api_cmd_chain_hw_init(struct hinic_api_cmd_chain *chain) +{ + /* should be implemented */ + return 0; +} + +/** + * free_cmd_buf - free the dma buffer of API CMD command + * @chain: the API CMD specific chain of the cmd + * @cell_idx: the cell index of the cmd + **/ +static void free_cmd_buf(struct hinic_api_cmd_chain *chain, int cell_idx) +{ + struct hinic_api_cmd_cell_ctxt *cell_ctxt; + struct hinic_hwif *hwif = chain->hwif; + struct pci_dev *pdev = hwif->pdev; + + cell_ctxt = &chain->cell_ctxt[cell_idx]; + + dma_free_coherent(&pdev->dev, API_CMD_BUF_SIZE, + cell_ctxt->api_cmd_vaddr, + cell_ctxt->api_cmd_paddr); +} + +/** + * alloc_cmd_buf - allocate a dma buffer for API CMD command + * @chain: the API CMD specific chain for the cmd + * @cell: the cell in the HW for the cmd + * @cell_idx: the index of the cell + * + * Return 0 - Success, negative - Failure + **/ +static int alloc_cmd_buf(struct hinic_api_cmd_chain *chain, + struct hinic_api_cmd_cell *cell, int cell_idx) +{ + struct hinic_hwif *hwif = chain->hwif; + struct pci_dev *pdev = hwif->pdev; + struct hinic_api_cmd_cell_ctxt *cell_ctxt; + dma_addr_t cmd_paddr; + void *cmd_vaddr; + int err = 0; + + cmd_vaddr = dma_zalloc_coherent(&pdev->dev, API_CMD_BUF_SIZE, + &cmd_paddr, GFP_KERNEL); + if (!cmd_vaddr) { + dev_err(&pdev->dev, "Failed to allocate API CMD DMA memory\n"); + return -ENOMEM; + } + + cell_ctxt = &chain->cell_ctxt[cell_idx]; + + cell_ctxt->api_cmd_vaddr = cmd_vaddr; + cell_ctxt->api_cmd_paddr = cmd_paddr; + + /* set the cmd DMA address in the cell */ + switch (chain->chain_type) { + case HINIC_API_CMD_WRITE_TO_MGMT_CPU: + /* The data in the HW should be in Big Endian Format */ + cell->write.hw_cmd_paddr = cpu_to_be64(cmd_paddr); + break; + + default: + pr_err("Unsupported API CMD chain type\n"); + free_cmd_buf(chain, cell_idx); + err = -EINVAL; + break; + } + + return err; +} + +/** + * api_cmd_create_cell - create API CMD cell for specific chain + * @chain: the API CMD specific chain to create its cell + * @cell_idx: the index of the cell to create + * @pre_node: previous cell + * @node_vaddr: the returned virt addr of the cell + * + * Return 0 - Success, negative - Failure + **/ +static int api_cmd_create_cell(struct hinic_api_cmd_chain *chain, + int cell_idx, + struct hinic_api_cmd_cell *pre_node, + struct hinic_api_cmd_cell **node_vaddr) +{ + struct hinic_hwif *hwif = chain->hwif; + struct pci_dev *pdev = hwif->pdev; + struct hinic_api_cmd_cell_ctxt *cell_ctxt; + struct hinic_api_cmd_cell *node; + dma_addr_t node_paddr; + int err; + + node = dma_zalloc_coherent(&pdev->dev, chain->cell_size, + &node_paddr, GFP_KERNEL); + if (!node) { + dev_err(&pdev->dev, "Failed to allocate dma API CMD cell\n"); + return -ENOMEM; + } + + node->read.hw_wb_resp_paddr = 0; + + cell_ctxt = &chain->cell_ctxt[cell_idx]; + cell_ctxt->cell_vaddr = node; + cell_ctxt->cell_paddr = node_paddr; + + if (!pre_node) { + chain->head_cell_paddr = node_paddr; + chain->head_node = node; + } else { + /* The data in the HW should be in Big Endian Format */ + pre_node->next_cell_paddr = cpu_to_be64(node_paddr); + } + + switch (chain->chain_type) { + case HINIC_API_CMD_WRITE_TO_MGMT_CPU: + err = alloc_cmd_buf(chain, node, cell_idx); + if (err) { + dev_err(&pdev->dev, "Failed to allocate cmd buffer\n"); + goto alloc_cmd_buf_err; + } + break; + + default: + pr_err("Unsupported API CMD chain type\n"); + err = -EINVAL; + goto alloc_cmd_buf_err; + } + + *node_vaddr = node; + return 0; + +alloc_cmd_buf_err: + dma_free_coherent(&pdev->dev, chain->cell_size, node, node_paddr); + return err; +} + +/** + * api_cmd_destroy_cell - destroy API CMD cell of specific chain + * @chain: the API CMD specific chain to destroy its cell + * @cell_idx: the cell to destroy + **/ +static void api_cmd_destroy_cell(struct hinic_api_cmd_chain *chain, + int cell_idx) +{ + struct hinic_hwif *hwif = chain->hwif; + struct pci_dev *pdev = hwif->pdev; + struct hinic_api_cmd_cell_ctxt *cell_ctxt; + struct hinic_api_cmd_cell *node; + dma_addr_t node_paddr; + size_t node_size; + + cell_ctxt = &chain->cell_ctxt[cell_idx]; + + node = cell_ctxt->cell_vaddr; + node_paddr = cell_ctxt->cell_paddr; + node_size = chain->cell_size; + + if (cell_ctxt->api_cmd_vaddr) { + switch (chain->chain_type) { + case HINIC_API_CMD_WRITE_TO_MGMT_CPU: + free_cmd_buf(chain, cell_idx); + break; + default: + pr_err("Unsupported API CMD chain type\n"); + break; + } + + dma_free_coherent(&pdev->dev, node_size, node, + node_paddr); + } +} + +/** + * api_cmd_destroy_cells - destroy API CMD cells of specific chain + * @chain: the API CMD specific chain to destroy its cells + * @num_cells: number of cells to destroy + **/ +static void api_cmd_destroy_cells(struct hinic_api_cmd_chain *chain, + int num_cells) +{ + int cell_idx; + + for (cell_idx = 0; cell_idx < num_cells; cell_idx++) + api_cmd_destroy_cell(chain, cell_idx); +} + +/** + * api_cmd_create_cells - create API CMD cells for specific chain + * @chain: the API CMD specific chain + * + * Return 0 - Success, negative - Failure + **/ +static int api_cmd_create_cells(struct hinic_api_cmd_chain *chain) +{ + struct hinic_api_cmd_cell *node = NULL, *pre_node = NULL; + struct hinic_hwif *hwif = chain->hwif; + struct pci_dev *pdev = hwif->pdev; + int err, cell_idx; + + for (cell_idx = 0; cell_idx < chain->num_cells; cell_idx++) { + err = api_cmd_create_cell(chain, cell_idx, pre_node, &node); + if (err) { + dev_err(&pdev->dev, "Failed to create API CMD cell\n"); + goto create_cell_err; + } + + pre_node = node; + } + + /* set the Final node to point on the start */ + node->next_cell_paddr = cpu_to_be64(chain->head_cell_paddr); + + /* set the current node to be the head */ + chain->curr_node = chain->head_node; + return 0; + +create_cell_err: + api_cmd_destroy_cells(chain, cell_idx); + return err; +} + +/** + * api_chain_init - initialize API CMD specific chain + * @chain: the API CMD specific chain to initialize + * @attr: attributes to set in the chain + * + * Return 0 - Success, negative - Failure + **/ +static int api_chain_init(struct hinic_api_cmd_chain *chain, + struct hinic_api_cmd_chain_attr *attr) +{ + struct hinic_hwif *hwif = attr->hwif; + struct pci_dev *pdev = hwif->pdev; + size_t cell_ctxt_size; + int err; + + chain->hwif = hwif; + chain->chain_type = attr->chain_type; + chain->num_cells = attr->num_cells; + chain->cell_size = attr->cell_size; + + chain->prod_idx = 0; + chain->cons_idx = 0; + + cell_ctxt_size = chain->num_cells * sizeof(*chain->cell_ctxt); + chain->cell_ctxt = kzalloc(cell_ctxt_size, GFP_KERNEL); + if (!chain->cell_ctxt) + return -ENOMEM; + + chain->wb_status = dma_zalloc_coherent(&pdev->dev, + sizeof(*chain->wb_status), + &chain->wb_status_paddr, + GFP_KERNEL); + if (!chain->wb_status) { + dev_err(&pdev->dev, "Failed to allocate DMA wb status\n"); + err = -ENOMEM; + goto alloc_wb_status_err; + } + + return 0; + +alloc_wb_status_err: + kfree(chain->cell_ctxt); + return err; +} + +/** + * api_chain_free - free API CMD specific chain + * @chain: the API CMD specific chain to free + **/ +static void api_chain_free(struct hinic_api_cmd_chain *chain) +{ + struct hinic_hwif *hwif = chain->hwif; + struct pci_dev *pdev = hwif->pdev; + + dma_free_coherent(&pdev->dev, sizeof(*chain->wb_status), + chain->wb_status, chain->wb_status_paddr); + kfree(chain->cell_ctxt); +} + +/** + * api_cmd_create_chain - create API CMD specific chain + * @chain: pointer to the API CMD created chain that is returned + * @attr: attributes to set the chain + * + * Return 0 - Success, negative - Failure + **/ +static int api_cmd_create_chain(struct hinic_api_cmd_chain **cmd_chain, + struct hinic_api_cmd_chain_attr *attr) +{ + struct hinic_hwif *hwif = attr->hwif; + struct pci_dev *pdev = hwif->pdev; + struct hinic_api_cmd_chain *chain; + int err; + + if (attr->num_cells & (attr->num_cells - 1)) { + pr_err("Invalid number of cells, must be power of 2\n"); + return -EINVAL; + } + + chain = kzalloc(sizeof(*chain), GFP_KERNEL); + if (!chain) + return -ENOMEM; + + err = api_chain_init(chain, attr); + if (err) { + dev_err(&pdev->dev, "Failed to initialize chain\n"); + goto chain_init_err; + } + + err = api_cmd_create_cells(chain); + if (err) { + dev_err(&pdev->dev, "Failed to create cells for API CMD chain\n"); + goto create_cells_err; + } + + err = api_cmd_chain_hw_init(chain); + if (err) { + dev_err(&pdev->dev, "Failed to initialize chain HW\n"); + goto chain_hw_init_err; + } + + *cmd_chain = chain; + return 0; + +chain_hw_init_err: + api_cmd_destroy_cells(chain, chain->num_cells); + +create_cells_err: + api_chain_free(chain); + +chain_init_err: + kfree(chain); + return err; +} + +/** + * api_cmd_destroy_chain - destroy API CMD specific chain + * @chain: the API CMD specific chain to destroy + **/ +static void api_cmd_destroy_chain(struct hinic_api_cmd_chain *chain) +{ + api_cmd_destroy_cells(chain, chain->num_cells); + api_chain_free(chain); + kfree(chain); +} + +/** + * hinic_api_cmd_init - Initialize all the API CMD chains + * @hwif: the hardware interface of a pci function device + * @chain: the API CMD chains that are initialized + * + * Return 0 - Success, negative - Failure + **/ +int hinic_api_cmd_init(struct hinic_hwif *hwif, + struct hinic_api_cmd_chain **chain) +{ + struct pci_dev *pdev = hwif->pdev; + struct hinic_api_cmd_chain_attr attr; + enum hinic_api_cmd_chain_type type, chain_type; + size_t hw_cell_sz = sizeof(struct hinic_api_cmd_cell); + int err; + + attr.hwif = hwif; + attr.num_cells = API_CHAIN_NUM_CELLS; + attr.cell_size = API_CMD_CELL_SIZE(hw_cell_sz); + + chain_type = HINIC_API_CMD_WRITE_TO_MGMT_CPU; + for ( ; chain_type < HINIC_API_CMD_MAX; chain_type++) { + attr.chain_type = chain_type; + + if (chain_type != HINIC_API_CMD_WRITE_TO_MGMT_CPU) + continue; + + err = api_cmd_create_chain(&chain[chain_type], &attr); + if (err) { + dev_err(&pdev->dev, "Failed to create chain %d\n", + chain_type); + goto create_chain_err; + } + } + + return 0; + +create_chain_err: + type = HINIC_API_CMD_WRITE_TO_MGMT_CPU; + for ( ; type < chain_type; type++) { + if (type != HINIC_API_CMD_WRITE_TO_MGMT_CPU) + continue; + + api_cmd_destroy_chain(chain[type]); + } + + return err; +} + +/** + * hinic_api_cmd_free - free the API CMD chains + * @chain: the API CMD chains that are freed + **/ +void hinic_api_cmd_free(struct hinic_api_cmd_chain **chain) +{ + enum hinic_api_cmd_chain_type chain_type; + + chain_type = HINIC_API_CMD_WRITE_TO_MGMT_CPU; + for ( ; chain_type < HINIC_API_CMD_MAX; chain_type++) { + if (chain_type != HINIC_API_CMD_WRITE_TO_MGMT_CPU) + continue; + + api_cmd_destroy_chain(chain[chain_type]); + } +} diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h new file mode 100644 index 0000000..39d33c7 --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.h @@ -0,0 +1,102 @@ +/* + * Huawei HiNIC PCI Express Linux driver + * Copyright(c) 2017 Huawei Technologies Co., Ltd + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + */ + +#ifndef HINIC_HW_API_CMD_H +#define HINIC_HW_API_CMD_H + +#include + +#include "hinic_hw_if.h" + +enum hinic_api_cmd_chain_type { + HINIC_API_CMD_WRITE_TO_MGMT_CPU = 2, + + HINIC_API_CMD_MAX, +}; + +struct hinic_api_cmd_chain_attr { + struct hinic_hwif *hwif; + enum hinic_api_cmd_chain_type chain_type; + + u32 num_cells; + u16 cell_size; +}; + +struct hinic_api_cmd_status { + u64 header; + u32 status; + u32 rsvd0; + u32 rsvd1; + u32 rsvd2; + u64 rsvd3; +}; + +/* HW struct */ +struct hinic_api_cmd_cell { + u64 ctrl; + + /* address is 64 bit in HW struct */ + u64 next_cell_paddr; + + u64 desc; + + /* HW struct */ + union { + struct { + u64 hw_cmd_paddr; + } write; + + struct { + u64 hw_wb_resp_paddr; + u64 hw_cmd_paddr; + } read; + }; +}; + +struct hinic_api_cmd_cell_ctxt { + dma_addr_t cell_paddr; + struct hinic_api_cmd_cell *cell_vaddr; + + dma_addr_t api_cmd_paddr; + void *api_cmd_vaddr; +}; + +struct hinic_api_cmd_chain { + struct hinic_hwif *hwif; + enum hinic_api_cmd_chain_type chain_type; + + u32 num_cells; + u16 cell_size; + + /* HW members in 24 bit format */ + u32 prod_idx; + u32 cons_idx; + + struct hinic_api_cmd_cell_ctxt *cell_ctxt; + + dma_addr_t wb_status_paddr; + struct hinic_api_cmd_status *wb_status; + + dma_addr_t head_cell_paddr; + struct hinic_api_cmd_cell *head_node; + struct hinic_api_cmd_cell *curr_node; +}; + +int hinic_api_cmd_init(struct hinic_hwif *hwif, + struct hinic_api_cmd_chain **chain); + +void hinic_api_cmd_free(struct hinic_api_cmd_chain **chain); + +#endif diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c index e0e9088..e864448 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c @@ -13,12 +13,15 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include #include "hinic_hw_if.h" #include "hinic_hw_eqs.h" +#include "hinic_hw_api_cmd.h" #include "hinic_hw_mgmt.h" #include "hinic_hw_dev.h" @@ -70,9 +73,16 @@ int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt, { struct hinic_pfhwdev *pfhwdev = mgmt_to_pfhwdev(pf_to_mgmt); struct hinic_hwdev *hwdev = &pfhwdev->hwdev; + int err; pf_to_mgmt->hwif = hwif; + err = hinic_api_cmd_init(hwif, pf_to_mgmt->cmd_chain); + if (err) { + pr_err("Failed to initialize cmd chains\n"); + return err; + } + hinic_aeq_register_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU, pf_to_mgmt, mgmt_msg_aeqe_handler); @@ -90,4 +100,5 @@ void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt) struct hinic_hwdev *hwdev = &pfhwdev->hwdev; hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU); + hinic_api_cmd_free(pf_to_mgmt->cmd_chain); } diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h index cd051cd..69381a7 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h @@ -19,6 +19,7 @@ #include #include "hinic_hw_if.h" +#include "hinic_hw_api_cmd.h" enum hinic_mgmt_msg_type { HINIC_MGMT_MSG_SYNC = 1, @@ -30,6 +31,8 @@ enum hinic_cfg_cmd { struct hinic_pf_to_mgmt { struct hinic_hwif *hwif; + + struct hinic_api_cmd_chain *cmd_chain[HINIC_API_CMD_MAX]; }; int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,