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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
* res.c RDMA tool
* Authors: Leon Romanovsky <leonro@mellanox.com>
*/
#include "res.h"
#include <inttypes.h>
static int res_help(struct rd *rd)
{
pr_out("Usage: %s resource\n", rd->filename);
pr_out(" resource show [DEV]\n");
pr_out(" resource show [qp|cm_id|pd|mr|cq|ctx|srq]\n");
pr_out(" resource show qp link [DEV/PORT]\n");
pr_out(" resource show qp link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
pr_out(" resource show cm_id link [DEV/PORT]\n");
pr_out(" resource show cm_id link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
pr_out(" resource show cq link [DEV/PORT]\n");
pr_out(" resource show cq link [DEV/PORT] [FILTER-NAME FILTER-VALUE]\n");
pr_out(" resource show pd dev [DEV]\n");
pr_out(" resource show pd dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
pr_out(" resource show mr dev [DEV]\n");
pr_out(" resource show mr dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
pr_out(" resource show ctx dev [DEV]\n");
pr_out(" resource show ctx dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
pr_out(" resource show srq dev [DEV]\n");
pr_out(" resource show srq dev [DEV] [FILTER-NAME FILTER-VALUE]\n");
return 0;
}
static int res_print_summary(struct nlattr **tb)
{
struct nlattr *nla_table = tb[RDMA_NLDEV_ATTR_RES_SUMMARY];
struct nlattr *nla_entry;
const char *name;
uint64_t curr;
int err;
mnl_attr_for_each_nested(nla_entry, nla_table) {
struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
err = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
if (err != MNL_CB_OK)
return -EINVAL;
if (!nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME] ||
!nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]) {
return -EINVAL;
}
name = mnl_attr_get_str(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME]);
curr = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
res_print_u64(name, curr, nla_line[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]);
}
return 0;
}
static int res_no_args_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
{
return MNL_CB_OK;
}
static int res_no_args_parse_cb(const struct nlmsghdr *nlh, void *data)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
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_SUMMARY])
return MNL_CB_ERROR;
idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
open_json_object(NULL);
print_uint(PRINT_ANY, "ifindex", "%u: ", idx);
print_string(PRINT_ANY, "ifname", "%s: ", name);
res_print_summary(tb);
close_json_object();
newline();
return MNL_CB_OK;
}
int _res_send_idx_msg(struct rd *rd, uint32_t command, mnl_cb_t callback,
uint32_t idx, uint32_t id)
{
uint32_t flags = NLM_F_REQUEST | NLM_F_ACK;
uint32_t seq;
int ret;
rd_prepare_msg(rd, command, &seq, flags);
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
if (rd->port_idx)
mnl_attr_put_u32(rd->nlh,
RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
mnl_attr_put_u32(rd->nlh, id, idx);
if (command == RDMA_NLDEV_CMD_STAT_GET)
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES,
RDMA_NLDEV_ATTR_RES_MR);
ret = rd_send_msg(rd);
if (ret)
return ret;
ret = rd_recv_msg(rd, callback, rd, seq);
return ret;
}
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;
int ret;
if (command != RDMA_NLDEV_CMD_RES_GET)
flags |= NLM_F_DUMP;
rd_prepare_msg(rd, command, &seq, flags);
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx);
if (rd->port_idx)
mnl_attr_put_u32(rd->nlh,
RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx);
if (command == RDMA_NLDEV_CMD_STAT_GET)
mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_STAT_RES,
RDMA_NLDEV_ATTR_RES_MR);
ret = rd_send_msg(rd);
if (ret)
return ret;
ret = rd_recv_msg(rd, callback, rd, seq);
return ret;
}
const char *qp_types_to_str(uint8_t idx)
{
static const char * const qp_types_str[] = { "SMI", "GSI", "RC",
"UC", "UD", "RAW_IPV6",
"RAW_ETHERTYPE",
"UNKNOWN", "RAW_PACKET",
"XRC_INI", "XRC_TGT",
};
if (idx < ARRAY_SIZE(qp_types_str))
return qp_types_str[idx];
return (idx == 0xFF) ? "DRIVER" : "UNKNOWN";
}
void print_comm(const char *str, struct nlattr **nla_line)
{
char tmp[18];
if (!str)
return;
if (nla_line[RDMA_NLDEV_ATTR_RES_PID] || is_json_context())
snprintf(tmp, sizeof(tmp), "%s", str);
else
snprintf(tmp, sizeof(tmp), "[%s]", str);
print_string(PRINT_ANY, "comm", "comm %s ", tmp);
}
void print_dev(uint32_t idx, const char *name)
{
print_int(PRINT_ANY, "ifindex", NULL, idx);
print_string(PRINT_ANY, "ifname", "dev %s ", name);
}
void print_link(uint32_t idx, const char *name, uint32_t port,
struct nlattr **nla_line)
{
char tmp[64] = {};
print_uint(PRINT_JSON, "ifindex", NULL, idx);
print_string(PRINT_ANY, "ifname", NULL, name);
if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]) {
print_uint(PRINT_ANY, "port", NULL, port);
snprintf(tmp, sizeof(tmp), "%s/%d", name, port);
} else {
snprintf(tmp, sizeof(tmp), "%s/-", name);
}
print_string(PRINT_FP, NULL, "link %s ", tmp);
}
void print_qp_type(uint32_t val)
{
print_string(PRINT_ANY, "qp-type", "qp-type %s ", qp_types_to_str(val));
}
void print_key(const char *name, uint64_t val, struct nlattr *nlattr)
{
if (!nlattr)
return;
print_string(PRINT_FP, NULL, name, NULL);
print_hex(PRINT_ANY, name, " 0x%" PRIx64 " ", val);
}
void res_print_u32(const char *name, uint32_t val, struct nlattr *nlattr)
{
if (!nlattr)
return;
print_uint(PRINT_ANY, name, name, val);
print_uint(PRINT_FP, NULL, " %" PRIu32 " ", val);
}
void res_print_u64(const char *name, uint64_t val, struct nlattr *nlattr)
{
if (!nlattr)
return;
print_u64(PRINT_ANY, name, name, val);
print_u64(PRINT_FP, NULL, " %" PRIu64 " ", val);
}
RES_FUNC(res_no_args, RDMA_NLDEV_CMD_RES_GET, NULL, true, 0);
static int res_show(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, res_no_args },
{ "qp", res_qp },
{ "cm_id", res_cm_id },
{ "cq", res_cq },
{ "mr", res_mr },
{ "pd", res_pd },
{ "ctx", res_ctx },
{ "srq", res_srq },
{ 0 }
};
/*
* Special case to support "rdma res show DEV_NAME"
*/
if (rd_argc(rd) == 1 && dev_map_lookup(rd, false))
return rd_exec_dev(rd, _res_no_args);
return rd_exec_cmd(rd, cmds, "parameter");
}
int cmd_res(struct rd *rd)
{
const struct rd_cmd cmds[] = {
{ NULL, res_show },
{ "show", res_show },
{ "list", res_show },
{ "help", res_help },
{ 0 }
};
return rd_exec_cmd(rd, cmds, "resource command");
}
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