From: Shahar S Matityahu <shahar.s.matityahu@xxxxxxxxx>
Add support to debug info TLV.
The TLV contains human readable naming of the FW image and the
debug configuration.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
.../wireless/intel/iwlwifi/fw/api/dbg-tlv.h | 22 +++++++
drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 65 ++++++++++++++++---
drivers/net/wireless/intel/iwlwifi/fw/file.h | 13 ++--
.../net/wireless/intel/iwlwifi/fw/runtime.h | 4 ++
.../net/wireless/intel/iwlwifi/iwl-dbg-tlv.c | 1 +
drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 1 +
6 files changed, 91 insertions(+), 15 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h b/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h
index f4202bc231a6..aaf3974a9a20 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h
@@ -291,6 +291,28 @@ struct iwl_fw_ini_trigger_tlv {
struct iwl_fw_ini_trigger trigger_config[];
} __packed; /* FW_TLV_DEBUG_TRIGGERS_API_S_VER_1 */
+#define IWL_FW_INI_MAX_IMG_NAME_LEN 32
+#define IWL_FW_INI_MAX_DBG_CFG_NAME_LEN 64
+
+/**
+ * struct iwl_fw_ini_debug_info_tlv - (IWL_UCODE_TLV_TYPE_DEBUG_INFO)
+ *
+ * holds image name and debug configuration name
+ *
+ * @header: header
+ * @img_name_len: length of the image name string
+ * @img_name: image name string
+ * @dbg_cfg_name_len : length of the debug configuration name string
+ * @dbg_cfg_name: debug configuration name string
+ */
+struct iwl_fw_ini_debug_info_tlv {
+ struct iwl_fw_ini_header header;
+ __le32 img_name_len;
+ u8 img_name[IWL_FW_INI_MAX_IMG_NAME_LEN];
+ __le32 dbg_cfg_name_len;
+ u8 dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN];
+} __packed; /* FW_DEBUG_TLV_INFO_API_S_VER_1 */
+
/**
* enum iwl_fw_ini_trigger_id
*
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 2f6881bfcde6..806eb9847f72 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2373,6 +2373,38 @@ void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt)
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_read_d3_debug_data);
+static void iwl_fw_dbg_info_apply(struct iwl_fw_runtime *fwrt,
+ struct iwl_fw_ini_debug_info_tlv *dbg_info,
+ bool ext, enum iwl_fw_ini_apply_point pnt)
+{
+ u32 img_name_len = le32_to_cpu(dbg_info->img_name_len);
+ u32 dbg_cfg_name_len = le32_to_cpu(dbg_info->dbg_cfg_name_len);
+ const char err_str[] =
+ "WRT: ext=%d. Invalid %s name length %d, expected %d\n";
+
+ if (img_name_len != IWL_FW_INI_MAX_IMG_NAME_LEN) {
+ IWL_WARN(fwrt, err_str, ext, "image", img_name_len,
+ IWL_FW_INI_MAX_IMG_NAME_LEN);
+ return;
+ }
+
+ if (dbg_cfg_name_len != IWL_FW_INI_MAX_DBG_CFG_NAME_LEN) {
+ IWL_WARN(fwrt, err_str, ext, "debug cfg", dbg_cfg_name_len,
+ IWL_FW_INI_MAX_DBG_CFG_NAME_LEN);
+ return;
+ }
+
+ if (ext) {
+ memcpy(fwrt->dump.external_dbg_cfg_name, dbg_info->dbg_cfg_name,
+ sizeof(fwrt->dump.external_dbg_cfg_name));
+ } else {
+ memcpy(fwrt->dump.img_name, dbg_info->img_name,
+ sizeof(fwrt->dump.img_name));
+ memcpy(fwrt->dump.internal_dbg_cfg_name, dbg_info->dbg_cfg_name,
+ sizeof(fwrt->dump.internal_dbg_cfg_name));
+ }
+}
+
static void
iwl_fw_dbg_buffer_allocation(struct iwl_fw_runtime *fwrt, u32 size)
{
@@ -2679,6 +2711,9 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt,
u32 type = le32_to_cpu(tlv->type);
switch (type) {
+ case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
+ iwl_fw_dbg_info_apply(fwrt, ini_tlv, ext, pnt);
+ break;
case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: {
struct iwl_fw_ini_allocation_data *buf_alloc = ini_tlv;
@@ -2714,22 +2749,34 @@ static void _iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt,
}
}
+static void iwl_fw_dbg_ini_reset_cfg(struct iwl_fw_runtime *fwrt)
+{
+ int i;
+
+ for (i = 0; i < IWL_FW_INI_MAX_REGION_ID; i++)
+ fwrt->dump.active_regs[i] = NULL;
+
+ /* disable the triggers, used in recovery flow */
+ for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++)
+ fwrt->dump.active_trigs[i].active = false;
+
+ memset(fwrt->dump.img_name, 0,
+ sizeof(fwrt->dump.img_name));
+ memset(fwrt->dump.internal_dbg_cfg_name, 0,
+ sizeof(fwrt->dump.internal_dbg_cfg_name));
+ memset(fwrt->dump.external_dbg_cfg_name, 0,
+ sizeof(fwrt->dump.external_dbg_cfg_name));
+}
+
void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt,
enum iwl_fw_ini_apply_point apply_point)
{
void *data = &fwrt->trans->apply_points[apply_point];
- int i;
IWL_DEBUG_FW(fwrt, "WRT: enabling apply point %d\n", apply_point);
- if (apply_point == IWL_FW_INI_APPLY_EARLY) {
- for (i = 0; i < IWL_FW_INI_MAX_REGION_ID; i++)
- fwrt->dump.active_regs[i] = NULL;
-
- /* disable the triggers, used in recovery flow */
- for (i = 0; i < IWL_FW_TRIGGER_ID_NUM; i++)
- fwrt->dump.active_trigs[i].active = false;
- }
+ if (apply_point == IWL_FW_INI_APPLY_EARLY)
+ iwl_fw_dbg_ini_reset_cfg(fwrt);
_iwl_fw_dbg_apply_point(fwrt, data, apply_point, false);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index de9243d30135..71438c40a637 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -151,12 +151,13 @@ enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_FW_RECOVERY_INFO = 57,
IWL_UCODE_TLV_FW_FSEQ_VERSION = 60,
- IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_INI_TLV_GROUP + 0x1,
- IWL_UCODE_TLV_DEBUG_BASE = IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION,
- IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_INI_TLV_GROUP + 0x2,
- IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_INI_TLV_GROUP + 0x3,
- IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_INI_TLV_GROUP + 0x4,
- IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_INI_TLV_GROUP + 0x5,
+ IWL_UCODE_TLV_DEBUG_BASE = IWL_UCODE_INI_TLV_GROUP,
+ IWL_UCODE_TLV_TYPE_DEBUG_INFO = IWL_UCODE_TLV_DEBUG_BASE + 0,
+ IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION = IWL_UCODE_TLV_DEBUG_BASE + 1,
+ IWL_UCODE_TLV_TYPE_HCMD = IWL_UCODE_TLV_DEBUG_BASE + 2,
+ IWL_UCODE_TLV_TYPE_REGIONS = IWL_UCODE_TLV_DEBUG_BASE + 3,
+ IWL_UCODE_TLV_TYPE_TRIGGERS = IWL_UCODE_TLV_DEBUG_BASE + 4,
+ IWL_UCODE_TLV_TYPE_DEBUG_FLOW = IWL_UCODE_TLV_DEBUG_BASE + 5,
IWL_UCODE_TLV_DEBUG_MAX = IWL_UCODE_TLV_TYPE_DEBUG_FLOW,
/* TLVs 0x1000-0x2000 are for internal driver usage */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
index e351ac7ae53b..07196a9fa5db 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
@@ -146,6 +146,10 @@ struct iwl_fw_runtime {
u32 umac_err_id;
void *fifo_iter;
struct timer_list periodic_trig;
+
+ u8 img_name[IWL_FW_INI_MAX_IMG_NAME_LEN];
+ u8 internal_dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN];
+ u8 external_dbg_cfg_name[IWL_FW_INI_MAX_DBG_CFG_NAME_LEN];
} dump;
#ifdef CONFIG_IWLWIFI_DEBUGFS
struct {
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index ba66f7fba064..fcc1c5c1d013 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -221,6 +221,7 @@ static int iwl_parse_fw_dbg_tlv(struct iwl_trans *trans, const u8 *data,
data += sizeof(*tlv) + ALIGN(tlv_len, 4);
switch (tlv_type) {
+ case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
case IWL_UCODE_TLV_TYPE_HCMD:
case IWL_UCODE_TLV_TYPE_REGIONS:
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 852d3cbfc719..e14811ca75b3 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1137,6 +1137,7 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
IWL_ERROR_EVENT_TABLE_LMAC1;
break;
}
+ case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
case IWL_UCODE_TLV_TYPE_HCMD:
case IWL_UCODE_TLV_TYPE_REGIONS:
--
2.20.1
