diff options
author | Gal Pressman <galpress@amazon.com> | 2019-07-25 16:03:53 +0300 |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2019-07-29 20:51:52 +0300 |
commit | 16e9111e9ee3edfcf6df120080378afc620cb4d3 (patch) | |
tree | 667aa8d2ba7bd875debe09d1a1ee35078416952a /drivers/infiniband/hw/efa/efa_com_cmd.c | |
parent | bda9045a200c173b2883a878b68b8b9218ae65c6 (diff) | |
download | linux-16e9111e9ee3edfcf6df120080378afc620cb4d3.tar.xz |
RDMA/efa: Expose device statistics
Expose hardware statistics through the sysfs api:
/sys/class/infiniband/efa_0/hw_counters/*.
/sys/class/infiniband/efa_0/ports/1/hw_counters/*.
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Link: https://lore.kernel.org/r/20190725130353.11544-1-galpress@amazon.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_com_cmd.c')
-rw-r--r-- | drivers/infiniband/hw/efa/efa_com_cmd.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c index 62345d8abf3c..16b115df63e8 100644 --- a/drivers/infiniband/hw/efa/efa_com_cmd.c +++ b/drivers/infiniband/hw/efa/efa_com_cmd.c @@ -702,3 +702,38 @@ int efa_com_dealloc_uar(struct efa_com_dev *edev, return 0; } + +int efa_com_get_stats(struct efa_com_dev *edev, + struct efa_com_get_stats_params *params, + union efa_com_get_stats_result *result) +{ + struct efa_com_admin_queue *aq = &edev->aq; + struct efa_admin_aq_get_stats_cmd cmd = {}; + struct efa_admin_acq_get_stats_resp resp; + int err; + + cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; + cmd.type = params->type; + cmd.scope = params->scope; + cmd.scope_modifier = params->scope_modifier; + + err = efa_com_cmd_exec(aq, + (struct efa_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct efa_admin_acq_entry *)&resp, + sizeof(resp)); + if (err) { + ibdev_err(edev->efa_dev, + "Failed to get stats type-%u scope-%u.%u [%d]\n", + cmd.type, cmd.scope, cmd.scope_modifier, err); + return err; + } + + result->basic_stats.tx_bytes = resp.basic_stats.tx_bytes; + result->basic_stats.tx_pkts = resp.basic_stats.tx_pkts; + result->basic_stats.rx_bytes = resp.basic_stats.rx_bytes; + result->basic_stats.rx_pkts = resp.basic_stats.rx_pkts; + result->basic_stats.rx_drops = resp.basic_stats.rx_drops; + + return 0; +} |