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@@ -18,10 +18,8 @@
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#include <linux/module.h>
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#include <linux/debugfs.h>
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#include <linux/vmalloc.h>
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-#include <linux/utsname.h>
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#include <linux/crc32.h>
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#include <linux/firmware.h>
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-#include <linux/devcoredump.h>
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#include "core.h"
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#include "debug.h"
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@@ -33,86 +31,6 @@
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#define ATH10K_DEBUG_CAL_DATA_LEN 12064
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-#define ATH10K_FW_CRASH_DUMP_VERSION 1
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-
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-/**
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- * enum ath10k_fw_crash_dump_type - types of data in the dump file
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- * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format
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- */
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-enum ath10k_fw_crash_dump_type {
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- ATH10K_FW_CRASH_DUMP_REGISTERS = 0,
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- ATH10K_FW_CRASH_DUMP_CE_DATA = 1,
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-
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- ATH10K_FW_CRASH_DUMP_MAX,
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-};
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-
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-struct ath10k_tlv_dump_data {
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- /* see ath10k_fw_crash_dump_type above */
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- __le32 type;
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-
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- /* in bytes */
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- __le32 tlv_len;
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-
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- /* pad to 32-bit boundaries as needed */
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- u8 tlv_data[];
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-} __packed;
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-
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-struct ath10k_dump_file_data {
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- /* dump file information */
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-
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- /* "ATH10K-FW-DUMP" */
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- char df_magic[16];
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-
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- __le32 len;
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-
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- /* file dump version */
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- __le32 version;
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-
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- /* some info we can get from ath10k struct that might help */
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-
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- guid_t guid;
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-
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- __le32 chip_id;
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-
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- /* 0 for now, in place for later hardware */
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- __le32 bus_type;
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-
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- __le32 target_version;
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- __le32 fw_version_major;
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- __le32 fw_version_minor;
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- __le32 fw_version_release;
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- __le32 fw_version_build;
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- __le32 phy_capability;
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- __le32 hw_min_tx_power;
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- __le32 hw_max_tx_power;
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- __le32 ht_cap_info;
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- __le32 vht_cap_info;
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- __le32 num_rf_chains;
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-
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- /* firmware version string */
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- char fw_ver[ETHTOOL_FWVERS_LEN];
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-
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- /* Kernel related information */
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-
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- /* time-of-day stamp */
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- __le64 tv_sec;
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-
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- /* time-of-day stamp, nano-seconds */
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- __le64 tv_nsec;
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-
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- /* LINUX_VERSION_CODE */
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- __le32 kernel_ver_code;
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-
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- /* VERMAGIC_STRING */
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- char kernel_ver[64];
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-
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- /* room for growth w/out changing binary format */
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- u8 unused[128];
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-
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- /* struct ath10k_tlv_dump_data + more */
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- u8 data[0];
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-} __packed;
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-
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void ath10k_info(struct ath10k *ar, const char *fmt, ...)
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{
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struct va_format vaf = {
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@@ -711,146 +629,6 @@ static const struct file_operations fops_chip_id = {
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.llseek = default_llseek,
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};
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-struct ath10k_fw_crash_data *
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-ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
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-{
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- struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
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-
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- lockdep_assert_held(&ar->data_lock);
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-
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- crash_data->crashed_since_read = true;
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- guid_gen(&crash_data->guid);
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- ktime_get_real_ts64(&crash_data->timestamp);
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-
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- return crash_data;
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-}
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-EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data);
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-
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-static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar,
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- bool mark_read)
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-{
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- struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
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- struct ath10k_ce_crash_hdr *ce_hdr;
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- struct ath10k_dump_file_data *dump_data;
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- struct ath10k_tlv_dump_data *dump_tlv;
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- size_t hdr_len = sizeof(*dump_data);
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- size_t len, sofar = 0;
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- unsigned char *buf;
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-
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- len = hdr_len;
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- len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
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- len += sizeof(*dump_tlv) + sizeof(*ce_hdr) +
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- CE_COUNT * sizeof(ce_hdr->entries[0]);
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-
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- sofar += hdr_len;
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-
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- /* This is going to get big when we start dumping FW RAM and such,
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- * so go ahead and use vmalloc.
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- */
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- buf = vzalloc(len);
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- if (!buf)
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- return NULL;
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-
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- spin_lock_bh(&ar->data_lock);
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-
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- if (!crash_data->crashed_since_read) {
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- spin_unlock_bh(&ar->data_lock);
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- vfree(buf);
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- return NULL;
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- }
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-
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- dump_data = (struct ath10k_dump_file_data *)(buf);
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- strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
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- sizeof(dump_data->df_magic));
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- dump_data->len = cpu_to_le32(len);
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-
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- dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION);
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-
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- guid_copy(&dump_data->guid, &crash_data->guid);
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- dump_data->chip_id = cpu_to_le32(ar->chip_id);
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- dump_data->bus_type = cpu_to_le32(0);
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- dump_data->target_version = cpu_to_le32(ar->target_version);
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- dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major);
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- dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor);
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- dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release);
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- dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build);
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- dump_data->phy_capability = cpu_to_le32(ar->phy_capability);
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- dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power);
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- dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power);
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- dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info);
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- dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info);
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- dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains);
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-
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- strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version,
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- sizeof(dump_data->fw_ver));
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-
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- dump_data->kernel_ver_code = 0;
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- strlcpy(dump_data->kernel_ver, init_utsname()->release,
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- sizeof(dump_data->kernel_ver));
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-
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- dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec);
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- dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec);
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-
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- /* Gather crash-dump */
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- dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
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- dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS);
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- dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers));
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- memcpy(dump_tlv->tlv_data, &crash_data->registers,
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- sizeof(crash_data->registers));
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- sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
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-
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- dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
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- dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_CE_DATA);
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- dump_tlv->tlv_len = cpu_to_le32(sizeof(*ce_hdr) +
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- CE_COUNT * sizeof(ce_hdr->entries[0]));
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- ce_hdr = (struct ath10k_ce_crash_hdr *)(dump_tlv->tlv_data);
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- ce_hdr->ce_count = cpu_to_le32(CE_COUNT);
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- memset(ce_hdr->reserved, 0, sizeof(ce_hdr->reserved));
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- memcpy(ce_hdr->entries, crash_data->ce_crash_data,
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- CE_COUNT * sizeof(ce_hdr->entries[0]));
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- sofar += sizeof(*dump_tlv) + sizeof(*ce_hdr) +
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- CE_COUNT * sizeof(ce_hdr->entries[0]);
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-
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- ar->debug.fw_crash_data->crashed_since_read = !mark_read;
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-
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- spin_unlock_bh(&ar->data_lock);
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-
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- return dump_data;
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-}
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-
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-int ath10k_debug_fw_devcoredump(struct ath10k *ar)
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-{
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- struct ath10k_dump_file_data *dump;
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- void *dump_ptr;
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- u32 dump_len;
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-
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- /* To keep the dump file available also for debugfs don't mark the
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- * file read, only debugfs should do that.
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- */
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- dump = ath10k_build_dump_file(ar, false);
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- if (!dump) {
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- ath10k_warn(ar, "no crash dump data found for devcoredump");
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- return -ENODATA;
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- }
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-
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- /* Make a copy of the dump file for dev_coredumpv() as during the
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- * transition period we need to own the original file. Once
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- * fw_crash_dump debugfs file is removed no need to have a copy
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- * anymore.
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- */
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- dump_len = le32_to_cpu(dump->len);
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- dump_ptr = vzalloc(dump_len);
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-
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- if (!dump_ptr)
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- return -ENOMEM;
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-
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- memcpy(dump_ptr, dump, dump_len);
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-
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- dev_coredumpv(ar->dev, dump_ptr, dump_len, GFP_KERNEL);
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-
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- return 0;
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-}
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-
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static ssize_t ath10k_reg_addr_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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