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-rw-r--r--rdma/res-mr.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/rdma/res-mr.c b/rdma/res-mr.c
new file mode 100644
index 0000000..fb48d5d
--- /dev/null
+++ b/rdma/res-mr.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * res-mr.c RDMA tool
+ * Authors: Leon Romanovsky <leonro@mellanox.com>
+ */
+
+#include "res.h"
+#include <inttypes.h>
+
+static int res_mr_line_raw(struct rd *rd, const char *name, int idx,
+ struct nlattr **nla_line)
+{
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW])
+ return MNL_CB_ERROR;
+
+ open_json_object(NULL);
+ print_dev(rd, idx, name);
+ print_raw_data(rd, nla_line);
+ newline(rd);
+
+ return MNL_CB_OK;
+}
+
+static int res_mr_line(struct rd *rd, const char *name, int idx,
+ struct nlattr **nla_line)
+{
+ uint32_t rkey = 0, lkey = 0;
+ uint64_t iova = 0, mrlen;
+ char *comm = NULL;
+ uint32_t pdn = 0;
+ uint32_t mrn = 0;
+ uint32_t pid = 0;
+
+ if (!nla_line[RDMA_NLDEV_ATTR_RES_MRLEN])
+ return MNL_CB_ERROR;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_RKEY])
+ rkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_LKEY])
+ lkey = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
+ if (nla_line[RDMA_NLDEV_ATTR_RES_IOVA])
+ iova = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
+
+ mrlen = mnl_attr_get_u64(nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
+ if (rd_is_filtered_attr(rd, "mrlen", mrlen,
+ nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
+ SPRINT_BUF(b);
+
+ pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
+ if (!get_task_name(pid, b, sizeof(b)))
+ comm = b;
+ } else 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_is_filtered_attr(rd, "pid", pid,
+ nla_line[RDMA_NLDEV_ATTR_RES_PID]))
+ goto out;
+
+ if (nla_line[RDMA_NLDEV_ATTR_RES_MRN])
+ mrn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
+ if (rd_is_filtered_attr(rd, "mrn", mrn,
+ nla_line[RDMA_NLDEV_ATTR_RES_MRN]))
+ 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;
+
+ open_json_object(NULL);
+ print_dev(rd, idx, name);
+ res_print_u32(rd, "mrn", mrn, nla_line[RDMA_NLDEV_ATTR_RES_MRN]);
+ print_key(rd, "rkey", rkey, nla_line[RDMA_NLDEV_ATTR_RES_RKEY]);
+ print_key(rd, "lkey", lkey, nla_line[RDMA_NLDEV_ATTR_RES_LKEY]);
+ print_key(rd, "iova", iova, nla_line[RDMA_NLDEV_ATTR_RES_IOVA]);
+ res_print_u64(rd, "mrlen", mrlen, nla_line[RDMA_NLDEV_ATTR_RES_MRLEN]);
+ res_print_u32(rd, "pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
+ res_print_u32(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]);
+ print_raw_data(rd, nla_line);
+ newline(rd);
+
+out:
+ return MNL_CB_OK;
+}
+
+int res_mr_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 (rd->show_raw) ? res_mr_line_raw(rd, name, idx, tb) :
+ res_mr_line(rd, name, idx, tb);
+}
+
+int res_mr_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;
+
+ 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_MR])
+ 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_MR];
+
+ mnl_attr_for_each_nested(nla_entry, nla_table) {
+ struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
+
+ ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
+ if (ret != MNL_CB_OK)
+ break;
+
+ ret = (rd->show_raw) ? res_mr_line_raw(rd, name, idx, nla_line) :
+ res_mr_line(rd, name, idx, nla_line);
+ if (ret != MNL_CB_OK)
+ break;
+ }
+ return ret;
+}