From f4f907aa73e0b6389fb92b1c611048838f83c24d Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Mon, 3 Dec 2018 12:13:31 +0200 Subject: [PATCH] iwlwifi: dbg_ini: implement csr memory dump Implement csr memory dump in the new dump mechanism. Signed-off-by: Shahar S Matityahu Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 56 +++++++++++++---------------- 1 file changed, 25 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 7fd7604..e34b287 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1062,31 +1062,6 @@ out: return dump_file; } -static void iwl_dump_csr_ini(struct iwl_trans *trans, - struct iwl_fw_error_dump_data **data, - struct iwl_fw_ini_region_cfg *reg) -{ - int i, num = le32_to_cpu(reg->internal.num_of_ranges); - u32 size = le32_to_cpu(reg->internal.range_data_size); - - IWL_DEBUG_INFO(trans, "WRT CSR dump\n"); - - for (i = 0; i < num; i++) { - u32 add = le32_to_cpu(reg->start_addr[i]); - __le32 *val; - int j; - - (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_CSR); - (*data)->len = cpu_to_le32(size); - val = (void *)(*data)->data; - - for (j = 0; j < size; j += 4) - *val++ = cpu_to_le32(iwl_trans_read32(trans, j + add)); - - *data = iwl_fw_error_next_data(*data); - } -} - static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, struct iwl_fw_ini_error_dump_range *range, struct iwl_fw_ini_region_cfg *reg, @@ -1108,6 +1083,25 @@ static int iwl_dump_ini_prph_iter(struct iwl_fw_runtime *fwrt, return le32_to_cpu(range->range_data_size); } +static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt, + struct iwl_fw_ini_error_dump_range *range, + struct iwl_fw_ini_region_cfg *reg, + int idx) +{ + __le32 *val = range->data; + u32 addr, offset = le32_to_cpu(reg->offset); + int i; + + range->start_addr = reg->start_addr[idx]; + range->range_data_size = reg->internal.range_data_size; + for (i = 0; i < le32_to_cpu(reg->internal.range_data_size); i += 4) { + addr = le32_to_cpu(range->start_addr) + i; + *val++ = cpu_to_le32(iwl_trans_read32(fwrt->trans, + addr + offset)); + } + return le32_to_cpu(range->range_data_size); +} + static struct iwl_fw_ini_error_dump_range *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, void *data) { @@ -1230,6 +1224,7 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, case IWL_FW_INI_REGION_PERIPHERY_MAC: case IWL_FW_INI_REGION_PERIPHERY_PHY: case IWL_FW_INI_REGION_PERIPHERY_AUX: + case IWL_FW_INI_REGION_CSR: size += hdr_len + dump_header_len + range_header_len * iwl_dump_ini_mem_ranges(fwrt, reg) + iwl_dump_ini_mem_get_size(fwrt, reg); @@ -1248,11 +1243,6 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt, sizeof(struct iwl_fw_error_dump_paging) + PAGING_BLOCK_SIZE); break; - case IWL_FW_INI_REGION_CSR: - size += le32_to_cpu(reg->internal.num_of_ranges) * - (hdr_len + - le32_to_cpu(reg->internal.range_data_size)); - break; case IWL_FW_INI_REGION_DRAM_BUFFER: /* Transport takes care of DRAM dumping */ case IWL_FW_INI_REGION_INTERNAL_BUFFER: @@ -1327,7 +1317,11 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt, iwl_fw_dump_rxf(fwrt, data); break; case IWL_FW_INI_REGION_CSR: - iwl_dump_csr_ini(fwrt->trans, data, reg); + ops.get_num_of_ranges = iwl_dump_ini_mem_ranges; + ops.get_size = iwl_dump_ini_mem_get_size; + ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header; + ops.fill_range = iwl_dump_ini_csr_iter; + iwl_dump_ini_mem(fwrt, type, data, reg, &ops); break; case IWL_FW_INI_REGION_DRAM_IMR: case IWL_FW_INI_REGION_INTERNAL_BUFFER: -- 2.7.4