From: Leon Romanovsky <leonro@xxxxxxxxxxxx> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> --- rdma/res-pd.c | 170 ++++++++++++++++++++++++++------------------------ 1 file changed, 89 insertions(+), 81 deletions(-) diff --git a/rdma/res-pd.c b/rdma/res-pd.c index 24ac7f1b..3c9ffa4e 100644 --- a/rdma/res-pd.c +++ b/rdma/res-pd.c @@ -7,11 +7,95 @@ #include "res.h" #include <inttypes.h> +static int res_pd_line(struct rd *rd, const char *name, int idx, + struct nlattr *nla_entry) +{ + 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)) + 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_check_is_filtered(rd, "pid", 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_check_is_filtered(rd, "ctxn", 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_check_is_filtered(rd, "pdn", 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); + 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); + + 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_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; @@ -25,86 +109,10 @@ int res_pd_parse_cb(const struct nlmsghdr *nlh, void *data) 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 = res_pd_line(rd, name, idx, nla_entry); + + if (ret != MNL_CB_OK) + break; } - return MNL_CB_OK; + return ret; } -- 2.19.1