From: Mordechay Goodstein <mordechay.goodstein@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
.../net/wireless/intel/iwlwifi/fw/api/debug.h | 14 +++++++++
.../net/wireless/intel/iwlwifi/fw/debugfs.c | 29 +++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
index 94b1a1268476..48d7c8485e3f 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
@@ -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__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
index 267ad4eddb5c..ce1186068f2d 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
@@ -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);
}
--
2.29.2
