From 9b8a97db9ec4b795e29e72289005fbc58484ebeb Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 15:14:35 +0200 Subject: Adding upstream version 6.8.0. Signed-off-by: Daniel Baumann --- rdma/res-ctx.c | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 rdma/res-ctx.c (limited to 'rdma/res-ctx.c') diff --git a/rdma/res-ctx.c b/rdma/res-ctx.c new file mode 100644 index 0000000..235c837 --- /dev/null +++ b/rdma/res-ctx.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB +/* + * res-ctx.c RDMA tool + * Authors: Neta Ostrovsky + */ + +#include "res.h" +#include + +static int res_ctx_line(struct rd *rd, const char *name, int idx, + struct nlattr **nla_line) +{ + char *comm = NULL; + uint32_t ctxn = 0; + uint32_t pid = 0; + SPRINT_BUF(b); + + if (!nla_line[RDMA_NLDEV_ATTR_RES_CTXN]) + return MNL_CB_ERROR; + + if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) { + 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_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; + + open_json_object(NULL); + print_dev(idx, name); + res_print_u32("ctxn", ctxn, nla_line[RDMA_NLDEV_ATTR_RES_CTXN]); + res_print_u32("pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]); + print_comm(comm, nla_line); + + print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]); + close_json_object(); + newline(); + +out: + return MNL_CB_OK; +} + +int res_ctx_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_ctx_line(rd, name, idx, tb); +} + +int res_ctx_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_CTX]) + 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_CTX]; + + 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 = res_ctx_line(rd, name, idx, nla_line); + if (ret != MNL_CB_OK) + break; + } + return ret; +} -- cgit v1.2.3