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rdma: Place PD parsing print routine into separate function 

Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Leon Romanovsky 2019-02-23 11:15:24 +02:00 committed by David Ahern
parent 46695227d6
commit f9a73796d1
1 changed files with 88 additions and 80 deletions
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168
rdma/res-pd.c
View File

@ -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;
ret = res_pd_line(rd, name, idx, nla_entry);
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);
if (ret != MNL_CB_OK)
break;
}
return MNL_CB_OK;
return ret;
}