#include "res.h"
#include <inttypes.h>
+static int res_pd_line(struct rd *rd, const char *name, int idx,
+ struct nlattr **nla_line)
+{
+ uint32_t local_dma_lkey = 0, unsafe_global_rkey = 0;
+ char *comm = NULL;
+ uint32_t ctxn = 0;
+ uint32_t pid = 0;
+ uint32_t pdn = 0;
+ uint64_t users;
+
+ 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_is_filtered_attr(rd, "users", users,
+ nla_line[RDMA_NLDEV_ATTR_RES_USECNT]))
+ goto out;
+
+ 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_is_filtered_attr(rd, "pid", pid,
+ nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_CTXN])
+ ctxn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+
+ if (rd_is_filtered_attr(rd, "ctxn", ctxn,
+ nla_line[RDMA_NLDEV_ATTR_RES_CTXN]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
+ pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+ if (rd_is_filtered_attr(rd, "pdn", pdn,
+ nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
+ goto out;
+
+ 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);
+ res_print_uint(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+ print_key(rd, "local_dma_lkey", local_dma_lkey,
+ nla_line[RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY]);
+ res_print_uint(rd, "users", users,
+ nla_line[RDMA_NLDEV_ATTR_RES_USECNT]);
+ print_key(rd, "unsafe_global_rkey", unsafe_global_rkey,
+ nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]);
+ res_print_uint(rd, "ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]);
+ res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+ print_comm(rd, comm, nla_line);
+
+ print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
+ newline(rd);
+
+out: if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
+ free(comm);
+ return MNL_CB_OK;
+}
+
+int res_pd_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
+ 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])
+ 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]);
+
+ return res_pd_line(rd, name, idx, tb);
+}
+
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;
+ int ret = MNL_CB_OK;
const char *name;
uint32_t idx;
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);
- res_print_uint(rd, "users", users);
- if (nla_line[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY])
- print_key(rd, "unsafe_global_rkey", unsafe_global_rkey);
- res_print_uint(rd, "pid", 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);
+
+ ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+ if (ret != MNL_CB_OK)
+ break;
+
+ ret = res_pd_line(rd, name, idx, nla_line);
+ if (ret != MNL_CB_OK)
+ break;
}
- return MNL_CB_OK;
+ return ret;
}