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iwlwifi: enable sending/setting debug host event

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This is used for BT node and for any user that wants to
control what events would be send from FW to the driver.

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.a9dba2daca59.I2b18bccf0d409f1517c3e2841b667014f9dafc24@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Mordechay Goodstein
2020-12-09 23:16:17 +02:00
committed by Luca Coelho
parent eae94cf82d
commit 87f1283b6a
2 changed files with 43 additions and 0 deletions
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14
drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
View File

@@ -78,6 +78,12 @@ enum iwl_debug_cmds {
* &struct iwl_dbg_mem_access_rsp
*/
UMAC_RD_WR = 0x1,
/**
* @HOST_EVENT_CFG:
* updates the enabled event severities
* &struct iwl_dbg_host_event_cfg_cmd
*/
HOST_EVENT_CFG = 0x3,
/**
* @DBGC_SUSPEND_RESUME:
* DBGC suspend/resume commad. Uses a single dword as data:
@@ -395,4 +401,12 @@ struct iwl_buf_alloc_cmd {
struct iwl_buf_alloc_frag frags[BUF_ALLOC_MAX_NUM_FRAGS];
} __packed; /* BUFFER_ALLOCATION_CMD_API_S_VER_2 */
/**
* struct iwl_dbg_host_event_cfg_cmd
* @enabled_severities: enabled severities
*/
struct iwl_dbg_host_event_cfg_cmd {
__le32 enabled_severities;
} __packed; /* DEBUG_HOST_EVENT_CFG_CMD_API_S_VER_1 */
#endif /* __iwl_fw_api_debug_h__ */

29
drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
View File

@@ -200,6 +200,34 @@ static int iwl_fw_send_timestamp_marker_cmd(struct iwl_fw_runtime *fwrt)
return iwl_trans_send_cmd(fwrt->trans, &hcmd);
}
static int iwl_dbgfs_enabled_severities_write(struct iwl_fw_runtime *fwrt,
char *buf, size_t count)
{
struct iwl_dbg_host_event_cfg_cmd event_cfg;
struct iwl_host_cmd hcmd = {
.id = iwl_cmd_id(HOST_EVENT_CFG, DEBUG_GROUP, 0),
.flags = CMD_ASYNC,
.data[0] = &event_cfg,
.len[0] = sizeof(event_cfg),
};
u32 enabled_severities;
int ret = kstrtou32(buf, 10, &enabled_severities);
if (ret < 0)
return ret;
event_cfg.enabled_severities = cpu_to_le32(enabled_severities);
ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
IWL_INFO(fwrt,
"sent host event cfg with enabled_severities: %u, ret: %d\n",
enabled_severities, ret);
return ret ?: count;
}
FWRT_DEBUGFS_WRITE_FILE_OPS(enabled_severities, 16);
static void iwl_fw_timestamp_marker_wk(struct work_struct *work)
{
int ret;
@@ -431,5 +459,6 @@ void iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
FWRT_DEBUGFS_ADD_FILE(timestamp_marker, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(fw_info, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(send_hcmd, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(enabled_severities, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(fw_dbg_domain, dbgfs_dir, 0400);
}