iproute2/rdma/res.h
Andrea Claudi 81bfd01a4c lib: move get_task_name() from rdma
The function get_task_name() is used to get the name of a process from
its pid, and its implementation is similar to ip/iptuntap.c:pid_name().

Move it to lib/fs.c to use a single implementation and make it easily
reusable.

Signed-off-by: Andrea Claudi <aclaudi@redhat.com>
Acked-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
2021-04-22 05:22:16 +00:00

169 lines
7.0 KiB
C

/* 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_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback,
uint32_t idx, uint32_t id);
int res_pd_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_pd_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_mr_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_mr_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_cq_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_cq_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_qp_parse_cb(const struct nlmsghdr *nlh, void *data);
int res_qp_idx_parse_cb(const struct nlmsghdr *nlh, void *data);
static inline uint32_t res_get_command(uint32_t command, struct rd *rd)
{
if (!rd->show_raw)
return command;
switch (command) {
case RDMA_NLDEV_CMD_RES_QP_GET:
return RDMA_NLDEV_CMD_RES_QP_GET_RAW;
case RDMA_NLDEV_CMD_RES_CQ_GET:
return RDMA_NLDEV_CMD_RES_CQ_GET_RAW;
case RDMA_NLDEV_CMD_RES_MR_GET:
return RDMA_NLDEV_CMD_RES_MR_GET_RAW;
default:
return command;
}
}
#define RES_FUNC(name, command, valid_filters, strict_port, id) \
static inline int _##name(struct rd *rd) \
{ \
uint32_t idx, _command; \
int ret; \
_command = res_get_command(command, rd); \
if (id) { \
ret = rd_doit_index(rd, &idx); \
if (ret) { \
rd->suppress_errors = true; \
ret = _res_send_idx_msg(rd, _command, \
name##_idx_parse_cb, \
idx, id); \
if (!ret || rd->show_raw) \
return ret; \
/* Fallback for old systems without .doit callbacks. \
* Kernel that supports raw, for sure supports doit. \
*/ \
} \
} \
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, .is_doit = true },
{ .name = "ctxn", .is_number = true }
};
RES_FUNC(res_pd, RDMA_NLDEV_CMD_RES_PD_GET, pd_valid_filters, true,
RDMA_NLDEV_ATTR_RES_PDN);
static const
struct filters mr_valid_filters[MAX_NUMBER_OF_FILTERS] = {
{ .name = "dev", .is_number = false },
{ .name = "rkey", .is_number = true },
{ .name = "lkey", .is_number = true },
{ .name = "mrlen", .is_number = true },
{ .name = "pid", .is_number = true },
{ .name = "mrn", .is_number = true, .is_doit = true },
{ .name = "pdn", .is_number = true }
};
RES_FUNC(res_mr, RDMA_NLDEV_CMD_RES_MR_GET, mr_valid_filters, true,
RDMA_NLDEV_ATTR_RES_MRN);
static const
struct filters cq_valid_filters[MAX_NUMBER_OF_FILTERS] = {
{ .name = "dev", .is_number = false },
{ .name = "users", .is_number = true },
{ .name = "poll-ctx", .is_number = false },
{ .name = "pid", .is_number = true },
{ .name = "cqn", .is_number = true, .is_doit = true },
{ .name = "ctxn", .is_number = true }
};
RES_FUNC(res_cq, RDMA_NLDEV_CMD_RES_CQ_GET, cq_valid_filters, true,
RDMA_NLDEV_ATTR_RES_CQN);
static const
struct filters cm_id_valid_filters[MAX_NUMBER_OF_FILTERS] = {
{ .name = "link", .is_number = false },
{ .name = "lqpn", .is_number = true },
{ .name = "qp-type", .is_number = false },
{ .name = "state", .is_number = false },
{ .name = "ps", .is_number = false },
{ .name = "dev-type", .is_number = false },
{ .name = "transport-type", .is_number = false },
{ .name = "pid", .is_number = true },
{ .name = "src-addr", .is_number = false },
{ .name = "src-port", .is_number = true },
{ .name = "dst-addr", .is_number = false },
{ .name = "dst-port", .is_number = true },
{ .name = "cm-idn", .is_number = true, .is_doit = true }
};
RES_FUNC(res_cm_id, RDMA_NLDEV_CMD_RES_CM_ID_GET, cm_id_valid_filters, false,
RDMA_NLDEV_ATTR_RES_CM_IDN);
static const struct
filters qp_valid_filters[MAX_NUMBER_OF_FILTERS] = {
{ .name = "link", .is_number = false },
{ .name = "lqpn", .is_number = true, .is_doit = true },
{ .name = "rqpn", .is_number = true },
{ .name = "pid", .is_number = true },
{ .name = "sq-psn", .is_number = true },
{ .name = "rq-psn", .is_number = true },
{ .name = "type", .is_number = false },
{ .name = "path-mig-state", .is_number = false },
{ .name = "state", .is_number = false },
{ .name = "pdn", .is_number = true },
};
RES_FUNC(res_qp, RDMA_NLDEV_CMD_RES_QP_GET, qp_valid_filters, false,
RDMA_NLDEV_ATTR_RES_LQPN);
void print_dev(struct rd *rd, uint32_t idx, const char *name);
void print_link(struct rd *rd, uint32_t idx, const char *name, uint32_t port,
struct nlattr **nla_line);
void print_key(struct rd *rd, const char *name, uint64_t val,
struct nlattr *nlattr);
void res_print_uint(struct rd *rd, const char *name, uint64_t val,
struct nlattr *nlattr);
void print_comm(struct rd *rd, const char *str, struct nlattr **nla_line);
const char *qp_types_to_str(uint8_t idx);
void print_qp_type(struct rd *rd, uint32_t val);
#endif /* _RDMA_TOOL_RES_H_ */