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Message-Id: <20190223091528.8509-6-leon@kernel.org>
Date: Sat, 23 Feb 2019 11:15:14 +0200
From: Leon Romanovsky <leon@...nel.org>
To: David Ahern <dsahern@...il.com>
Cc: Leon Romanovsky <leonro@...lanox.com>,
netdev <netdev@...r.kernel.org>,
RDMA mailing list <linux-rdma@...r.kernel.org>,
Stephen Hemminger <stephen@...workplumber.org>,
Steve Wise <swise@...ngridcomputing.com>
Subject: [PATCH iproute2-next v2 05/19] rdma: Move resource PD logic to separate file
From: Leon Romanovsky <leonro@...lanox.com>
Logically separate resource PD logic to separate file,
in order to make PD specific logic self-contained.
Reviewed-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
rdma/Makefile | 2 +-
rdma/res-pd.c | 110 ++++++++++++++++++++++++++++++++++++
rdma/res.c | 154 +++-----------------------------------------------
rdma/res.h | 55 ++++++++++++++++++
4 files changed, 175 insertions(+), 146 deletions(-)
create mode 100644 rdma/res-pd.c
create mode 100644 rdma/res.h
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@...lanox.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@...lanox.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@...lanox.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_ */
--
2.19.1
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