[iproute2-next,05/19] rdma: Move resource PD logic to separate file

Message ID	20190122183125.15920-6-leon@kernel.org
State	Changes Requested
Delegated to:	David Ahern
Headers	show Return-Path: <netdev-owner@vger.kernel.org> From: Leon Romanovsky <leon@kernel.org> To: David Ahern <dsahern@gmail.com> Cc: Leon Romanovsky <leonro@mellanox.com>, netdev <netdev@vger.kernel.org>, RDMA mailing list <linux-rdma@vger.kernel.org>, Stephen Hemminger <stephen@networkplumber.org> Subject: [PATCH iproute2-next 05/19] rdma: Move resource PD logic to separate file Date: Tue, 22 Jan 2019 20:31:11 +0200 Message-Id: <20190122183125.15920-6-leon@kernel.org> In-Reply-To: <20190122183125.15920-1-leon@kernel.org> References: <20190122183125.15920-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk
Series	Export object IDs to users \| expand [iproute2-next,00/19] Export object IDs to users [iproute2-next,01/19] rdma: update uapi headers [iproute2-next,02/19] rdma: Remove duplicated print code [iproute2-next,03/19] rdma: Provide unique indexes for all visible objects [iproute2-next,04/19] rdma: Provide parent context index for all objects except CM_ID [iproute2-next,05/19] rdma: Move resource PD logic to separate file [iproute2-next,06/19] rdma: Refactor out resource MR logic to separate file [iproute2-next,07/19] rdma: Move out resource CQ logic to separate file [iproute2-next,08/19] rdma: Move out resource CM-ID logic to separate file [iproute2-next,09/19] rdma: Move resource PD logic to separate file [iproute2-next,10/19] rdma: Properly mark RDMAtool license [iproute2-next,11/19] rdma: Simplify code to reuse existing functions [iproute2-next,12/19] rdma: Simplify CM_ID print code [iproute2-next,13/19] rdma: Refactor CQ prints [iproute2-next,14/19] rdma: Separate MR code [iproute2-next,15/19] rdma: Separate PD code [iproute2-next,16/19] rdma: Move QP code to separate function [iproute2-next,17/19] rdma: Unify netlink attribute checks prior to prints [iproute2-next,18/19] rdma: Perform single .doit call to query specific objects [iproute2-next,19/19] rdma: Provide and reuse filter functions

diff --git a/rdma/Makefile b/rdma/Makefile index 0498994f..9c2fb203 100644 --- a/rdma/Makefile +++ b/rdma/Makefile @@ -6,7 +6,7 @@ TARGETS := ifeq ($(HAVE_MNL),y) CFLAGS += -I./include/uapi/ -RDMA_OBJ = rdma.o utils.o dev.o link.o res.o +RDMA_OBJ = rdma.o utils.o dev.o link.o res.o res-pd.o TARGETS += rdma endif diff --git a/rdma/res-pd.c b/rdma/res-pd.c new file mode 100644 index 00000000..d879a21a --- /dev/null +++ b/rdma/res-pd.c @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* + * res-pd.c RDMA tool + * Authors: Leon Romanovsky <leonro@mellanox.com> + */ + +#include "res.h" +#include <inttypes.h> + +int res_pd_parse_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; + struct nlattr *nla_table, *nla_entry; + struct rd *rd = data; + const char *name; + uint32_t idx; + + mnl_attr_parse(nlh, 0, rd_attr_cb, tb); + if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] || + !tb[RDMA_NLDEV_ATTR_RES_PD]) + return MNL_CB_ERROR; + + name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); + idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); + nla_table = tb[RDMA_NLDEV_ATTR_RES_PD]; + + mnl_attr_for_each_nested(nla_entry, nla_table) { + uint32_t local_dma_lkey = 0, unsafe_global_rkey = 0; + struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {}; + char *comm = NULL; + uint32_t ctxn = 0; + uint32_t pid = 0; + uint32_t pdn = 0; + uint64_t users; + int err; + + err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + if (!nla_line[RDMA_NLDEV_ATTR_RES_USECNT] || + (!nla_line[RDMA_NLDEV_ATTR_RES_PID] && + !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) { + return MNL_CB_ERROR; + } + + if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]) + local_dma_lkey = mnl_attr_get_u32( + nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]); + + users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]); + if (rd_check_is_filtered(rd, "users", users)) + continue; + + if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]) + unsafe_global_rkey = mnl_attr_get_u32( + nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]); + + if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) { + pid = mnl_attr_get_u32( + nla_line[RDMA_NLDEV_ATTR_RES_PID]); + comm = get_task_name(pid); + } + + if (rd_check_is_filtered(rd, "pid", pid)) + continue; + + if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) + ctxn = mnl_attr_get_u32( + nla_line[RDMA_NLDEV_ATTR_RES_CTXN]); + + if (rd_check_is_filtered(rd, "ctxn", ctxn)) + continue; + + if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) + pdn = mnl_attr_get_u32( + nla_line[RDMA_NLDEV_ATTR_RES_PDN]); + if (rd_check_is_filtered(rd, "pdn", pdn)) + continue; + + if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) + /* discard const from mnl_attr_get_str */ + comm = (char *)mnl_attr_get_str( + nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]); + + if (rd->json_output) + jsonw_start_array(rd->jw); + + print_dev(rd, idx, name); + if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]) + print_key(rd, "local_dma_lkey", local_dma_lkey); + print_users(rd, users); + if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]) + print_key(rd, "unsafe_global_rkey", unsafe_global_rkey); + print_pid(rd, pid); + print_comm(rd, comm, nla_line); + if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) + res_print_uint(rd, "ctxn", ctxn); + + if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) + res_print_uint(rd, "pdn", pdn); + + if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) + free(comm); + + print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]); + newline(rd); + } + return MNL_CB_OK; +} diff --git a/rdma/res.c b/rdma/res.c index 308f66c0..494a82e4 100644 --- a/rdma/res.c +++ b/rdma/res.c @@ -9,7 +9,7 @@ * Authors: Leon Romanovsky <leonro@mellanox.com> */ -#include "rdma.h" +#include "res.h" #include <inttypes.h> static int res_help(struct rd *rd) @@ -92,7 +92,7 @@ static int res_no_args_parse_cb(const struct nlmsghdr *nlh, void *data) return MNL_CB_OK; } -static int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback) +int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback) { uint32_t flags = NLM_F_REQUEST | NLM_F_ACK; uint32_t seq; @@ -119,27 +119,6 @@ static int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback) return ret; } -#define RES_FUNC(name, command, valid_filters, strict_port) \ - static int _##name(struct rd *rd)\ - { \ - return _res_send_msg(rd, command, name##_parse_cb); \ - } \ - static int name(struct rd *rd) \ - {\ - int ret = rd_build_filter(rd, valid_filters); \ - if (ret) \ - return ret; \ - if ((uintptr_t)valid_filters != (uintptr_t)NULL) { \ - ret = rd_set_arg_to_devname(rd); \ - if (ret) \ - return ret;\ - } \ - if (strict_port) \ - return rd_exec_dev(rd, _##name); \ - else \ - return rd_exec_link(rd, _##name, strict_port); \ - } - static const char *path_mig_to_str(uint8_t idx) { static const char * const path_mig_str[] = { "MIGRATED", @@ -244,7 +223,7 @@ static void print_pathmig(struct rd *rd, uint32_t val, pr_out("path-mig-state %s ", path_mig_to_str(val)); } -static void print_pid(struct rd *rd, uint32_t val) +void print_pid(struct rd *rd, uint32_t val) { if (rd->json_output) jsonw_uint_field(rd->jw, "pid", val); @@ -252,8 +231,7 @@ static void print_pid(struct rd *rd, uint32_t val) pr_out("pid %u ", val); } -static void print_comm(struct rd *rd, const char *str, - struct nlattr **nla_line) +void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line) { char tmp[18]; @@ -271,7 +249,7 @@ static void print_comm(struct rd *rd, const char *str, pr_out("comm %s ", tmp); } -static void print_dev(struct rd *rd, uint32_t idx, const char *name) +void print_dev(struct rd *rd, uint32_t idx, const char *name) { if (rd->json_output) { jsonw_uint_field(rd->jw, "ifindex", idx); @@ -299,7 +277,7 @@ static void print_link(struct rd *rd, uint32_t idx, const char *name, } } -static char *get_task_name(uint32_t pid) +char *get_task_name(uint32_t pid) { char *comm; FILE *f; @@ -320,7 +298,7 @@ static char *get_task_name(uint32_t pid) return comm; } -static void print_key(struct rd *rd, const char *name, uint64_t val) +void print_key(struct rd *rd, const char *name, uint64_t val) { if (rd->json_output) jsonw_xint_field(rd->jw, name, val); @@ -328,7 +306,7 @@ static void print_key(struct rd *rd, const char *name, uint64_t val) pr_out("%s 0x%" PRIx64 " ", name, val); } -static void res_print_uint(struct rd *rd, const char *name, uint64_t val) +void res_print_uint(struct rd *rd, const char *name, uint64_t val) { if (rd->json_output) jsonw_uint_field(rd->jw, name, val); @@ -725,7 +703,7 @@ static void print_cqe(struct rd *rd, uint32_t val) pr_out("cqe %u ", val); } -static void print_users(struct rd *rd, uint64_t val) +void print_users(struct rd *rd, uint64_t val) { if (rd->json_output) jsonw_uint_field(rd->jw, "users", val); @@ -969,108 +947,6 @@ static int res_mr_parse_cb(const struct nlmsghdr *nlh, void *data) return MNL_CB_OK; } -static int res_pd_parse_cb(const struct nlmsghdr *nlh, void *data) -{ - struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; - struct nlattr *nla_table, *nla_entry; - struct rd *rd = data; - const char *name; - uint32_t idx; - - mnl_attr_parse(nlh, 0, rd_attr_cb, tb); - if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || - !tb[RDMA_NLDEV_ATTR_DEV_NAME] || - !tb[RDMA_NLDEV_ATTR_RES_PD]) - return MNL_CB_ERROR; - - name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); - idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); - nla_table = tb[RDMA_NLDEV_ATTR_RES_PD]; - - mnl_attr_for_each_nested(nla_entry, nla_table) { - uint32_t local_dma_lkey = 0, unsafe_global_rkey = 0; - struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {}; - char *comm = NULL; - uint32_t ctxn = 0; - uint32_t pid = 0; - uint32_t pdn = 0; - uint64_t users; - int err; - - err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line); - if (err != MNL_CB_OK) - return MNL_CB_ERROR; - - if (!nla_line[RDMA_NLDEV_ATTR_RES_USECNT] || - (!nla_line[RDMA_NLDEV_ATTR_RES_PID] && - !nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME])) { - return MNL_CB_ERROR; - } - - if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]) - local_dma_lkey = mnl_attr_get_u32( - nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]); - - users = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_USECNT]); - if (rd_check_is_filtered(rd, "users", users)) - continue; - - if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]) - unsafe_global_rkey = mnl_attr_get_u32( - nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]); - - if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) { - pid = mnl_attr_get_u32( - nla_line[RDMA_NLDEV_ATTR_RES_PID]); - comm = get_task_name(pid); - } - - if (rd_check_is_filtered(rd, "pid", pid)) - continue; - - if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) - ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]); - - if (rd_check_is_filtered(rd, "ctxn", ctxn)) - continue; - - if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) - pdn = mnl_attr_get_u32( - nla_line[RDMA_NLDEV_ATTR_RES_PDN]); - if (rd_check_is_filtered(rd, "pdn", pdn)) - continue; - - if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) - /* discard const from mnl_attr_get_str */ - comm = (char *)mnl_attr_get_str( - nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]); - - if (rd->json_output) - jsonw_start_array(rd->jw); - - print_dev(rd, idx, name); - if (nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]) - print_key(rd, "local_dma_lkey", local_dma_lkey); - print_users(rd, users); - if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]) - print_key(rd, "unsafe_global_rkey", unsafe_global_rkey); - print_pid(rd, pid); - print_comm(rd, comm, nla_line); - if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) - res_print_uint(rd, "ctxn", ctxn); - - if (nla_line[RDMA_NLDEV_ATTR_RES_PDN]) - res_print_uint(rd, "pdn", pdn); - - if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) - free(comm); - - print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]); - newline(rd); - } - return MNL_CB_OK; -} - RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true); static const struct @@ -1133,18 +1009,6 @@ struct filters mr_valid_filters[MAX_NUMBER_OF_FILTERS] = { RES_FUNC(res_mr, RDMA_NLDEV_CMD_RES_MR_GET, mr_valid_filters, true); -static const -struct filters pd_valid_filters[MAX_NUMBER_OF_FILTERS] = { - { .name = "dev", .is_number = false }, - { .name = "users", .is_number = true }, - { .name = "pid", .is_number = true }, - { .name = "ctxn", .is_number = true }, - { .name = "pdn", .is_number = true }, - { .name = "ctxn", .is_number = true } -}; - -RES_FUNC(res_pd, RDMA_NLDEV_CMD_RES_PD_GET, pd_valid_filters, true); - static int res_show(struct rd *rd) { const struct rd_cmd cmds[] = { diff --git a/rdma/res.h b/rdma/res.h new file mode 100644 index 00000000..dd01b803 --- /dev/null +++ b/rdma/res.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * res.h RDMA tool + * Authors: Leon Romanovsky <leonro@mellanox.com> + */ +#ifndef _RDMA_TOOL_RES_H_ +#define _RDMA_TOOL_RES_H_ + +#include "rdma.h" + +int _res_send_msg(struct rd *rd, uint32_t command, mnl_cb_t callback); +int res_pd_parse_cb(const struct nlmsghdr *nlh, void *data); + +#define RES_FUNC(name, command, valid_filters, strict_port) \ + static inline int _##name(struct rd *rd)\ + { \ + return _res_send_msg(rd, command, name##_parse_cb); \ + } \ + static inline int name(struct rd *rd) \ + {\ + int ret = rd_build_filter(rd, valid_filters); \ + if (ret) \ + return ret; \ + if ((uintptr_t)valid_filters != (uintptr_t)NULL) { \ + ret = rd_set_arg_to_devname(rd); \ + if (ret) \ + return ret;\ + } \ + if (strict_port) \ + return rd_exec_dev(rd, _##name); \ + else \ + return rd_exec_link(rd, _##name, strict_port); \ + } + +static const +struct filters pd_valid_filters[MAX_NUMBER_OF_FILTERS] = { + { .name = "dev", .is_number = false }, + { .name = "users", .is_number = true }, + { .name = "pid", .is_number = true }, + { .name = "ctxn", .is_number = true }, + { .name = "pdn", .is_number = true }, + { .name = "ctxn", .is_number = true } +}; + +RES_FUNC(res_pd, RDMA_NLDEV_CMD_RES_PD_GET, pd_valid_filters, true); + +char *get_task_name(uint32_t pid); +void print_dev(struct rd *rd, uint32_t idx, const char *name); +void print_users(struct rd *rd, uint64_t val); +void print_key(struct rd *rd, const char *name, uint64_t val); +void res_print_uint(struct rd *rd, const char *name, uint64_t val); +void print_pid(struct rd *rd, uint32_t val); +void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line); + +#endif /* _RDMA_TOOL_RES_H_ */

[iproute2-next,05/19] rdma: Move resource PD logic to separate file

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