dump->version = cpu_to_le32(IWL_INI_DUMP_VER);
dump->trigger_id = trigger->trigger_id;
dump->is_external_cfg =
- cpu_to_le32(fwrt->trans->dbg.external_ini_loaded);
+ cpu_to_le32(fwrt->trans->dbg.external_ini_cfg);
dump->ver_type = cpu_to_le32(fwrt->dump.fw_ver.type);
dump->ver_subtype = cpu_to_le32(fwrt->dump.fw_ver.subtype);
void iwl_fw_dbg_apply_point(struct iwl_fw_runtime *fwrt,
enum iwl_fw_ini_apply_point apply_point)
{
- void *data = &fwrt->trans->dbg.apply_points[apply_point];
+ void *data;
IWL_DEBUG_FW(fwrt, "WRT: enabling apply point %d\n", apply_point);
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);
+ if (fwrt->trans->dbg.internal_ini_cfg != IWL_INI_CFG_STATE_NOT_LOADED) {
+ data = &fwrt->trans->dbg.apply_points[apply_point];
+ _iwl_fw_dbg_apply_point(fwrt, data, apply_point, false);
+ }
- data = &fwrt->trans->dbg.apply_points_ext[apply_point];
- _iwl_fw_dbg_apply_point(fwrt, data, apply_point, true);
+ if (fwrt->trans->dbg.external_ini_cfg != IWL_INI_CFG_STATE_NOT_LOADED) {
+ data = &fwrt->trans->dbg.apply_points_ext[apply_point];
+ _iwl_fw_dbg_apply_point(fwrt, data, apply_point, true);
+ }
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_apply_point);
#include "iwl-trans.h"
#include "iwl-dbg-tlv.h"
-void iwl_dbg_tlv_copy(struct iwl_trans *trans, struct iwl_ucode_tlv *tlv,
- bool ext)
+/**
+ * enum iwl_dbg_tlv_type - debug TLV types
+ * @IWL_DBG_TLV_TYPE_DEBUG_INFO: debug info TLV
+ * @IWL_DBG_TLV_TYPE_BUF_ALLOC: buffer allocation TLV
+ * @IWL_DBG_TLV_TYPE_HCMD: host command TLV
+ * @IWL_DBG_TLV_TYPE_REGION: region TLV
+ * @IWL_DBG_TLV_TYPE_TRIGGER: trigger TLV
+ * @IWL_DBG_TLV_TYPE_NUM: number of debug TLVs
+ */
+enum iwl_dbg_tlv_type {
+ IWL_DBG_TLV_TYPE_DEBUG_INFO =
+ IWL_UCODE_TLV_TYPE_DEBUG_INFO - IWL_UCODE_TLV_DEBUG_BASE,
+ IWL_DBG_TLV_TYPE_BUF_ALLOC,
+ IWL_DBG_TLV_TYPE_HCMD,
+ IWL_DBG_TLV_TYPE_REGION,
+ IWL_DBG_TLV_TYPE_TRIGGER,
+ IWL_DBG_TLV_TYPE_NUM,
+};
+
+/**
+ * struct iwl_dbg_tlv_ver_data - debug TLV version struct
+ * @min_ver: min version supported
+ * @max_ver: max version supported
+ */
+struct iwl_dbg_tlv_ver_data {
+ int min_ver;
+ int max_ver;
+};
+
+static const struct iwl_dbg_tlv_ver_data
+dbg_ver_table[IWL_DBG_TLV_TYPE_NUM] = {
+ [IWL_DBG_TLV_TYPE_DEBUG_INFO] = {.min_ver = 1, .max_ver = 1,},
+ [IWL_DBG_TLV_TYPE_BUF_ALLOC] = {.min_ver = 1, .max_ver = 1,},
+ [IWL_DBG_TLV_TYPE_HCMD] = {.min_ver = 1, .max_ver = 1,},
+ [IWL_DBG_TLV_TYPE_REGION] = {.min_ver = 1, .max_ver = 1,},
+ [IWL_DBG_TLV_TYPE_TRIGGER] = {.min_ver = 1, .max_ver = 1,},
+};
+
+static int iwl_dbg_tlv_copy(struct iwl_ucode_tlv *tlv, struct list_head *list)
{
- struct iwl_apply_point_data *dbg_cfg, *tlv_copy;
- struct iwl_fw_ini_header *header = (void *)&tlv->data[0];
- u32 tlv_type = le32_to_cpu(tlv->type);
+ struct iwl_apply_point_data *tlv_copy;
u32 len = le32_to_cpu(tlv->length);
- u32 apply_point = le32_to_cpu(header->apply_point);
- if (le32_to_cpu(header->tlv_version) != 1)
- return;
+ tlv_copy = kzalloc(sizeof(*tlv_copy) + len, GFP_KERNEL);
+ if (!tlv_copy)
+ return -ENOMEM;
- if (WARN_ONCE(apply_point >= IWL_FW_INI_APPLY_NUM,
- "Invalid apply point %d\n", apply_point))
- return;
+ INIT_LIST_HEAD(&tlv_copy->list);
+ memcpy(&tlv_copy->tlv, tlv, sizeof(*tlv) + len);
+
+ if (!list->next)
+ INIT_LIST_HEAD(list);
+
+ list_add_tail(&tlv_copy->list, list);
+
+ return 0;
+}
+
+static bool iwl_dbg_tlv_ver_support(struct iwl_ucode_tlv *tlv)
+{
+ struct iwl_fw_ini_header *hdr = (void *)&tlv->data[0];
+ u32 type = le32_to_cpu(tlv->type);
+ u32 tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
+ u32 ver = le32_to_cpu(hdr->tlv_version);
+
+ if (ver < dbg_ver_table[tlv_idx].min_ver ||
+ ver > dbg_ver_table[tlv_idx].max_ver)
+ return false;
+
+ return true;
+}
+
+void iwl_dbg_tlv_alloc(struct iwl_trans *trans, struct iwl_ucode_tlv *tlv,
+ bool ext)
+{
+ struct iwl_fw_ini_header *hdr = (void *)&tlv->data[0];
+ u32 type = le32_to_cpu(tlv->type);
+ u32 pnt = le32_to_cpu(hdr->apply_point);
+ u32 tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
+ enum iwl_ini_cfg_state *cfg_state = ext ?
+ &trans->dbg.external_ini_cfg : &trans->dbg.internal_ini_cfg;
+ struct list_head *dbg_cfg_list = ext ?
+ &trans->dbg.apply_points_ext[pnt].list :
+ &trans->dbg.apply_points[pnt].list;
IWL_DEBUG_FW(trans, "WRT: read TLV 0x%x, apply point %d\n",
- tlv_type, apply_point);
+ type, pnt);
- if (ext)
- dbg_cfg = &trans->dbg.apply_points_ext[apply_point];
- else
- dbg_cfg = &trans->dbg.apply_points[apply_point];
+ if (tlv_idx >= IWL_DBG_TLV_TYPE_NUM) {
+ IWL_ERR(trans, "WRT: Unsupported TLV 0x%x\n", type);
+ goto out_err;
+ }
- tlv_copy = kzalloc(sizeof(*tlv_copy) + len, GFP_KERNEL);
- if (!tlv_copy) {
- IWL_ERR(trans, "WRT: No memory for TLV 0x%x, apply point %d\n",
- tlv_type, apply_point);
- return;
+ if (pnt >= IWL_FW_INI_APPLY_NUM) {
+ IWL_ERR(trans, "WRT: Invalid apply point %d\n", pnt);
+ goto out_err;
}
- INIT_LIST_HEAD(&tlv_copy->list);
- memcpy(&tlv_copy->tlv, tlv, sizeof(*tlv) + len);
+ if (!iwl_dbg_tlv_ver_support(tlv)) {
+ IWL_ERR(trans, "WRT: Unsupported TLV 0x%x version %u\n", type,
+ le32_to_cpu(hdr->tlv_version));
+ goto out_err;
+ }
- if (!dbg_cfg->list.next)
- INIT_LIST_HEAD(&dbg_cfg->list);
+ if (iwl_dbg_tlv_copy(tlv, dbg_cfg_list)) {
+ IWL_ERR(trans,
+ "WRT: Failed to allocate TLV 0x%x, apply point %d\n",
+ type, pnt);
+ goto out_err;
+ }
+
+ if (*cfg_state == IWL_INI_CFG_STATE_NOT_LOADED)
+ *cfg_state = IWL_INI_CFG_STATE_LOADED;
- list_add_tail(&tlv_copy->list, &dbg_cfg->list);
+ return;
- trans->dbg.ini_valid = true;
+out_err:
+ *cfg_state = IWL_INI_CFG_STATE_CORRUPTED;
}
static void iwl_dbg_tlv_free_list(struct list_head *list)
size_t len)
{
struct iwl_ucode_tlv *tlv;
- enum iwl_ucode_tlv_type tlv_type;
u32 tlv_len;
while (len >= sizeof(*tlv)) {
tlv = (void *)data;
tlv_len = le32_to_cpu(tlv->length);
- tlv_type = le32_to_cpu(tlv->type);
if (len < tlv_len) {
IWL_ERR(trans, "invalid TLV len: %zd/%u\n",
len -= ALIGN(tlv_len, 4);
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:
- case IWL_UCODE_TLV_TYPE_TRIGGERS:
- case IWL_UCODE_TLV_TYPE_DEBUG_FLOW:
- iwl_dbg_tlv_copy(trans, tlv, true);
- break;
- default:
- WARN_ONCE(1, "Invalid TLV %x\n", tlv_type);
- break;
- }
+ iwl_dbg_tlv_alloc(trans, tlv, true);
}
return 0;
const struct firmware *fw;
int res;
- if (trans->dbg.external_ini_loaded || !iwlwifi_mod_params.enable_ini)
+ if (!iwlwifi_mod_params.enable_ini)
return;
res = request_firmware(&fw, "iwl-dbg-tlv.ini", dev);
iwl_dbg_tlv_parse_bin(trans, fw->data, fw->size);
- trans->dbg.external_ini_loaded = true;
release_firmware(fw);
}
IWL_PLAT_PM_MODE_D3,
};
+/**
+ * enum iwl_ini_cfg_state
+ * @IWL_INI_CFG_STATE_NOT_LOADED: no debug cfg was given
+ * @IWL_INI_CFG_STATE_LOADED: debug cfg was found and loaded
+ * @IWL_INI_CFG_STATE_CORRUPTED: debug cfg was found and some of the TLVs
+ * are corrupted. The rest of the debug TLVs will still be used
+ */
+enum iwl_ini_cfg_state {
+ IWL_INI_CFG_STATE_NOT_LOADED,
+ IWL_INI_CFG_STATE_LOADED,
+ IWL_INI_CFG_STATE_CORRUPTED,
+};
+
/* Max time to wait for nmi interrupt */
#define IWL_TRANS_NMI_TIMEOUT (HZ / 4)
* @umac_error_event_table: addr of umac error table
* @error_event_table_tlv_status: bitmap that indicates what error table
* pointers was recevied via TLV. uses enum &iwl_error_event_table_status
- * @external_ini_loaded: indicates if an external ini cfg was given
- * @ini_valid: indicates if debug ini mode is on
+ * @internal_ini_cfg: internal debug cfg state. Uses &enum iwl_ini_cfg_state
+ * @external_ini_cfg: external debug cfg state. Uses &enum iwl_ini_cfg_state
* @num_blocks: number of blocks in fw_mon
* @fw_mon: address of the buffers for firmware monitor
* @is_alloc: bit i is set if buffer i was allocated
u32 umac_error_event_table;
unsigned int error_event_table_tlv_status;
- bool external_ini_loaded;
- bool ini_valid;
+ enum iwl_ini_cfg_state internal_ini_cfg;
+ enum iwl_ini_cfg_state external_ini_cfg;
struct iwl_apply_point_data apply_points[IWL_FW_INI_APPLY_NUM];
struct iwl_apply_point_data apply_points_ext[IWL_FW_INI_APPLY_NUM];
static inline bool iwl_trans_dbg_ini_valid(struct iwl_trans *trans)
{
- return trans->dbg.ini_valid;
+ return trans->dbg.internal_ini_cfg != IWL_INI_CFG_STATE_NOT_LOADED ||
+ trans->dbg.external_ini_cfg != IWL_INI_CFG_STATE_NOT_LOADED;
}
/*****************************************************
projects / users / jedix / linux-maple.git / commitdiff