iwlwifi: mvm: add fw runtime stack to dump data
authorLiad Kaufman <liad.kaufman@intel.com>
Mon, 1 Dec 2014 08:44:18 +0000 (10:44 +0200)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Sun, 28 Dec 2014 08:17:41 +0000 (10:17 +0200)
The allocation of the DCCM between the data and the stack
can theoretically change without notice to the driver, but
the total size is HW-fixed. Since the stack CCM (runtime
stack) has also data important to the FW - this patch allows
pulling the whole DCCM in one piece and adds it to the dump
data.

If the size isn't known - just use the data part of the
DCCM as it appears in the FW TLVs.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/iwl-7000.c
drivers/net/wireless/iwlwifi/iwl-8000.c
drivers/net/wireless/iwlwifi/iwl-config.h
drivers/net/wireless/iwlwifi/mvm/mac80211.c

index e5be2d21868fa975619b72fb8217cad0f54cefe6..9e76799c47506bc9bc87f5d5d382cda5841368c9 100644 (file)
 #define IWL7265D_NVM_VERSION           0x0c11
 #define IWL7265_TX_POWER_VERSION       0xffff /* meaningless */
 
+/* DCCM offsets and lengths */
+#define IWL7000_DCCM_OFFSET            0x800000
+#define IWL7260_DCCM_LEN               0x14000
+#define IWL3160_DCCM_LEN               0x10000
+#define IWL7265_DCCM_LEN               0x17A00
+
 #define IWL7260_FW_PRE "iwlwifi-7260-"
 #define IWL7260_MODULE_FIRMWARE(api) IWL7260_FW_PRE __stringify(api) ".ucode"
 
@@ -138,7 +144,8 @@ static const struct iwl_ht_params iwl7000_ht_params = {
        .led_mode = IWL_LED_RF_STATE,                           \
        .nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_7000,   \
        .non_shared_ant = ANT_A,                                \
-       .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K
+       .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,    \
+       .dccm_offset = IWL7000_DCCM_OFFSET
 
 const struct iwl_cfg iwl7260_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7260",
@@ -149,6 +156,7 @@ const struct iwl_cfg iwl7260_2ac_cfg = {
        .nvm_calib_ver = IWL7260_TX_POWER_VERSION,
        .host_interrupt_operation_mode = true,
        .lp_xtal_workaround = true,
+       .dccm_len = IWL7260_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7260_2ac_cfg_high_temp = {
@@ -161,6 +169,7 @@ const struct iwl_cfg iwl7260_2ac_cfg_high_temp = {
        .high_temp = true,
        .host_interrupt_operation_mode = true,
        .lp_xtal_workaround = true,
+       .dccm_len = IWL7260_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7260_2n_cfg = {
@@ -172,6 +181,7 @@ const struct iwl_cfg iwl7260_2n_cfg = {
        .nvm_calib_ver = IWL7260_TX_POWER_VERSION,
        .host_interrupt_operation_mode = true,
        .lp_xtal_workaround = true,
+       .dccm_len = IWL7260_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7260_n_cfg = {
@@ -183,6 +193,7 @@ const struct iwl_cfg iwl7260_n_cfg = {
        .nvm_calib_ver = IWL7260_TX_POWER_VERSION,
        .host_interrupt_operation_mode = true,
        .lp_xtal_workaround = true,
+       .dccm_len = IWL7260_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl3160_2ac_cfg = {
@@ -193,6 +204,7 @@ const struct iwl_cfg iwl3160_2ac_cfg = {
        .nvm_ver = IWL3160_NVM_VERSION,
        .nvm_calib_ver = IWL3160_TX_POWER_VERSION,
        .host_interrupt_operation_mode = true,
+       .dccm_len = IWL3160_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl3160_2n_cfg = {
@@ -203,6 +215,7 @@ const struct iwl_cfg iwl3160_2n_cfg = {
        .nvm_ver = IWL3160_NVM_VERSION,
        .nvm_calib_ver = IWL3160_TX_POWER_VERSION,
        .host_interrupt_operation_mode = true,
+       .dccm_len = IWL3160_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl3160_n_cfg = {
@@ -213,6 +226,7 @@ const struct iwl_cfg iwl3160_n_cfg = {
        .nvm_ver = IWL3160_NVM_VERSION,
        .nvm_calib_ver = IWL3160_TX_POWER_VERSION,
        .host_interrupt_operation_mode = true,
+       .dccm_len = IWL3160_DCCM_LEN,
 };
 
 static const struct iwl_pwr_tx_backoff iwl7265_pwr_tx_backoffs[] = {
@@ -240,6 +254,7 @@ const struct iwl_cfg iwl3165_2ac_cfg = {
        .nvm_ver = IWL3165_NVM_VERSION,
        .nvm_calib_ver = IWL3165_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7265_2ac_cfg = {
@@ -250,6 +265,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = {
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7265_2n_cfg = {
@@ -260,6 +276,7 @@ const struct iwl_cfg iwl7265_2n_cfg = {
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7265_n_cfg = {
@@ -270,6 +287,7 @@ const struct iwl_cfg iwl7265_n_cfg = {
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7265d_2ac_cfg = {
@@ -280,6 +298,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = {
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7265d_2n_cfg = {
@@ -290,6 +309,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = {
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 const struct iwl_cfg iwl7265d_n_cfg = {
@@ -300,6 +320,7 @@ const struct iwl_cfg iwl7265d_n_cfg = {
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
        .pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
+       .dccm_len = IWL7265_DCCM_LEN,
 };
 
 MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
index bf0a95cb71535f390dfcfcc5820d39901359d440..6c5c55856a35f994b55cf644dfbfc6469c03d62c 100644 (file)
 #define IWL8000_NVM_VERSION            0x0a1d
 #define IWL8000_TX_POWER_VERSION       0xffff /* meaningless */
 
+/* DCCM offsets and lengths */
+#define IWL8260_DCCM_OFFSET            0x800000
+#define IWL8260_DCCM_LEN               0x18000
+
 #define IWL8000_FW_PRE "iwlwifi-8000"
 #define IWL8000_MODULE_FIRMWARE(api) \
        IWL8000_FW_PRE "-" __stringify(api) ".ucode"
@@ -124,7 +128,9 @@ static const struct iwl_ht_params iwl8000_ht_params = {
        .led_mode = IWL_LED_RF_STATE,                           \
        .nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_8000,   \
        .d0i3 = true,                                           \
-       .non_shared_ant = ANT_A
+       .non_shared_ant = ANT_A,                                \
+       .dccm_offset = IWL8260_DCCM_OFFSET,                     \
+       .dccm_len = IWL8260_DCCM_LEN
 
 const struct iwl_cfg iwl8260_2n_cfg = {
        .name = "Intel(R) Dual Band Wireless N 8260",
index 3a4b9c7fc083e41470f481bebb0da94f5d6bb75f..31c67dfabf5518fedf1b3ceb2819085c4463ee6b 100644 (file)
@@ -261,6 +261,8 @@ struct iwl_pwr_tx_backoff {
  *     station can receive in HT
  * @max_vht_ampdu_exponent: the exponent of the max length of A-MPDU that the
  *     station can receive in VHT
+ * @dccm_offset: offset from which DCCM begins
+ * @dccm_len: length of DCCM (including runtime stack CCM)
  *
  * We enable the driver to be backward compatible wrt. hardware features.
  * API differences in uCode shouldn't be handled here but through TLVs
@@ -303,6 +305,8 @@ struct iwl_cfg {
        unsigned int max_tx_agg_size;
        unsigned int max_ht_ampdu_exponent;
        unsigned int max_vht_ampdu_exponent;
+       const u32 dccm_offset;
+       const u32 dccm_len;
 };
 
 /*
index 31a5b3f4266c3edaf26a05dfca208ddd2082f8ca..2d62b5617a56af70809bcb5feaea0d732b21862c 100644 (file)
@@ -767,7 +767,6 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
        struct iwl_fw_error_dump_data *dump_data;
        struct iwl_fw_error_dump_info *dump_info;
        struct iwl_mvm_dump_ptrs *fw_error_dump;
-       const struct fw_img *img;
        u32 sram_len, sram_ofs;
        u32 file_len, rxf_len;
        unsigned long flags;
@@ -779,9 +778,17 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm)
        if (!fw_error_dump)
                return;
 
-       img = &mvm->fw->img[mvm->cur_ucode];
-       sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
-       sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
+       /* SRAM - include stack CCM if driver knows the values for it */
+       if (!mvm->cfg->dccm_offset || !mvm->cfg->dccm_len) {
+               const struct fw_img *img;
+
+               img = &mvm->fw->img[mvm->cur_ucode];
+               sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
+               sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
+       } else {
+               sram_ofs = mvm->cfg->dccm_offset;
+               sram_len = mvm->cfg->dccm_len;
+       }
 
        /* reading buffer size */
        reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR);