From 655e6d6db21b0c0d411aef9d816816fb68b0496c Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Wed, 25 Jun 2014 14:08:58 +0300 Subject: iwlwifi: mvm: kill iwl_mvm_fw_error_rxf_dump Its content can move to the caller. While at it, move iwl_mvm_fw_error_rxf_dump to caller. Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/mvm/mac80211.c | 100 ++++++++++++++++++++++++++++ drivers/net/wireless/iwlwifi/mvm/mvm.h | 6 -- drivers/net/wireless/iwlwifi/mvm/ops.c | 83 ----------------------- drivers/net/wireless/iwlwifi/mvm/utils.c | 43 ------------ 4 files changed, 100 insertions(+), 132 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 9feca4a..9661a52 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -80,6 +80,8 @@ #include "fw-api-scan.h" #include "iwl-phy-db.h" #include "testmode.h" +#include "iwl-fw-error-dump.h" +#include "iwl-prph.h" static const struct ieee80211_iface_limit iwl_mvm_limits[] = { { @@ -645,6 +647,104 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, mvmvif->phy_ctxt = NULL; } +#ifdef CONFIG_IWLWIFI_DEBUGFS +static void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) +{ + struct iwl_fw_error_dump_file *dump_file; + struct iwl_fw_error_dump_data *dump_data; + struct iwl_fw_error_dump_info *dump_info; + const struct fw_img *img; + u32 sram_len, sram_ofs; + u32 file_len, rxf_len; + unsigned long flags; + u32 trans_len; + int reg_val; + + lockdep_assert_held(&mvm->mutex); + + if (mvm->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; + + /* reading buffer size */ + reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR); + rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS; + + /* the register holds the value divided by 128 */ + rxf_len = rxf_len << 7; + + file_len = sizeof(*dump_file) + + sizeof(*dump_data) * 3 + + sram_len + + rxf_len + + sizeof(*dump_info); + + trans_len = iwl_trans_dump_data(mvm->trans, NULL, 0); + if (trans_len) + file_len += trans_len; + + dump_file = vmalloc(file_len); + if (!dump_file) + return; + + mvm->fw_error_dump = dump_file; + + dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); + dump_file->file_len = cpu_to_le32(file_len); + dump_data = (void *)dump_file->data; + + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); + dump_data->len = cpu_to_le32(sizeof(*dump_info)); + dump_info = (void *) dump_data->data; + dump_info->device_family = + mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ? + cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : + cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); + memcpy(dump_info->fw_human_readable, mvm->fw->human_readable, + sizeof(dump_info->fw_human_readable)); + strncpy(dump_info->dev_human_readable, mvm->cfg->name, + sizeof(dump_info->dev_human_readable)); + strncpy(dump_info->bus_human_readable, mvm->dev->bus->name, + sizeof(dump_info->bus_human_readable)); + + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF); + dump_data->len = cpu_to_le32(rxf_len); + + if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) { + u32 *rxf = (void *)dump_data->data; + int i; + + for (i = 0; i < (rxf_len / sizeof(u32)); i++) { + iwl_trans_write_prph(mvm->trans, + RXF_LD_FENCE_OFFSET_ADDR, + i * sizeof(u32)); + rxf[i] = iwl_trans_read_prph(mvm->trans, + RXF_FIFO_RD_FENCE_ADDR); + } + iwl_trans_release_nic_access(mvm->trans, &flags); + } + + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM); + dump_data->len = cpu_to_le32(sram_len); + iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data, + sram_len); + + if (trans_len) { + void *buf = iwl_fw_error_next_data(dump_data); + u32 real_trans_len = iwl_trans_dump_data(mvm->trans, buf, + trans_len); + dump_data = (void *)((u8 *)buf + real_trans_len); + dump_file->file_len = + cpu_to_le32(file_len - trans_len + real_trans_len); + } +} +#endif + static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) { #ifdef CONFIG_IWLWIFI_DEBUGFS diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index 4cc6788..e067d97 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -595,8 +595,6 @@ struct iwl_mvm { /* -1 for always, 0 for never, >0 for that many times */ s8 restart_fw; void *fw_error_dump; - u32 *fw_error_rxf; - u32 fw_error_rxf_len; #ifdef CONFIG_IWLWIFI_LEDS struct led_classdev led; @@ -730,10 +728,6 @@ void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, struct ieee80211_tx_rate *r); u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm); -void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm); -#endif u8 first_antenna(u8 mask); u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 889374d..15c13a7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -550,7 +550,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) kfree(mvm->scan_cmd); vfree(mvm->fw_error_dump); - kfree(mvm->fw_error_rxf); kfree(mvm->mcast_filter_cmd); mvm->mcast_filter_cmd = NULL; @@ -821,88 +820,6 @@ static void iwl_mvm_nic_restart(struct iwl_mvm *mvm) } } -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) -{ - struct iwl_fw_error_dump_file *dump_file; - struct iwl_fw_error_dump_data *dump_data; - struct iwl_fw_error_dump_info *dump_info; - const struct fw_img *img; - u32 sram_len, sram_ofs; - u32 file_len; - u32 trans_len; - - lockdep_assert_held(&mvm->mutex); - - if (mvm->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; - - file_len = sizeof(*dump_file) + - sizeof(*dump_data) * 3 + - sram_len + - mvm->fw_error_rxf_len + - sizeof(*dump_info); - - trans_len = iwl_trans_dump_data(mvm->trans, NULL, 0); - if (trans_len) - file_len += trans_len; - - dump_file = vmalloc(file_len); - if (!dump_file) - return; - - mvm->fw_error_dump = dump_file; - - dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); - dump_file->file_len = cpu_to_le32(file_len); - dump_data = (void *)dump_file->data; - - dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); - dump_data->len = cpu_to_le32(sizeof(*dump_info)); - dump_info = (void *) dump_data->data; - dump_info->device_family = - mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ? - cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : - cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); - memcpy(dump_info->fw_human_readable, mvm->fw->human_readable, - sizeof(dump_info->fw_human_readable)); - strncpy(dump_info->dev_human_readable, mvm->cfg->name, - sizeof(dump_info->dev_human_readable)); - strncpy(dump_info->bus_human_readable, mvm->dev->bus->name, - sizeof(dump_info->bus_human_readable)); - - iwl_mvm_fw_error_rxf_dump(mvm); - - dump_data = iwl_fw_error_next_data(dump_data); - dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF); - dump_data->len = cpu_to_le32(mvm->fw_error_rxf_len); - memcpy(dump_data->data, mvm->fw_error_rxf, mvm->fw_error_rxf_len); - - dump_data = iwl_fw_error_next_data(dump_data); - dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM); - dump_data->len = cpu_to_le32(sram_len); - iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data, - sram_len); - - kfree(mvm->fw_error_rxf); - mvm->fw_error_rxf = NULL; - mvm->fw_error_rxf_len = 0; - - if (trans_len) { - void *buf = iwl_fw_error_next_data(dump_data); - u32 real_trans_len = iwl_trans_dump_data(mvm->trans, buf, - trans_len); - dump_data = (void *)((u8 *)buf + real_trans_len); - dump_file->file_len = - cpu_to_le32(file_len - trans_len + real_trans_len); - } -} -#endif - static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 15db97c..ac249da 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -519,49 +519,6 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) iwl_mvm_dump_umac_error_log(mvm); } -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm) -{ - int i, reg_val; - unsigned long flags; - - if (!mvm->ucode_loaded || mvm->fw_error_rxf || mvm->fw_error_dump) - return; - - /* reading buffer size */ - reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR); - mvm->fw_error_rxf_len = - (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS; - - /* the register holds the value divided by 128 */ - mvm->fw_error_rxf_len = mvm->fw_error_rxf_len << 7; - - if (!mvm->fw_error_rxf_len) - return; - - mvm->fw_error_rxf = kzalloc(mvm->fw_error_rxf_len, GFP_ATOMIC); - if (!mvm->fw_error_rxf) { - mvm->fw_error_rxf_len = 0; - return; - } - - if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags)) { - kfree(mvm->fw_error_rxf); - mvm->fw_error_rxf = NULL; - mvm->fw_error_rxf_len = 0; - return; - } - - for (i = 0; i < (mvm->fw_error_rxf_len / sizeof(u32)); i++) { - iwl_trans_write_prph(mvm->trans, RXF_LD_FENCE_OFFSET_ADDR, - i * sizeof(u32)); - mvm->fw_error_rxf[i] = - iwl_trans_read_prph(mvm->trans, RXF_FIFO_RD_FENCE_ADDR); - } - iwl_trans_release_nic_access(mvm->trans, &flags); -} -#endif - /** * iwl_mvm_send_lq_cmd() - Send link quality command * @init: This command is sent as part of station initialization right -- cgit v1.1