@@ -1130,3 +1130,42 @@ void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id)
ce_state->src_ring = NULL;
ce_state->dest_ring = NULL;
}
+
+void ath10k_ce_dump_registers(struct ath10k *ar,
+ struct ath10k_fw_crash_data *crash_data)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+ struct ath10k_ce_crash_data ce;
+ u32 addr, id;
+
+ lockdep_assert_held(&ar->data_lock);
+
+ ath10k_err(ar, "Copy Engine register dump:\n");
+
+ spin_lock_bh(&ar_pci->ce_lock);
+ for (id = 0; id < CE_COUNT; id++) {
+ addr = ath10k_ce_base_address(ar, id);
+ ce.base_addr = cpu_to_le32(addr);
+
+ ce.src_wr_idx =
+ cpu_to_le32(ath10k_ce_src_ring_write_index_get(ar, addr));
+ ce.src_r_idx =
+ cpu_to_le32(ath10k_ce_src_ring_read_index_get(ar, addr));
+ ce.dst_wr_idx =
+ cpu_to_le32(ath10k_ce_dest_ring_write_index_get(ar, addr));
+ ce.dst_r_idx =
+ cpu_to_le32(ath10k_ce_dest_ring_read_index_get(ar, addr));
+
+ if (crash_data)
+ crash_data->ce_crash_data[id] = ce;
+
+ ath10k_err(ar, "[%02d]: 0x%08x %3u %3u %3u %3u", id,
+ le32_to_cpu(ce.base_addr),
+ le32_to_cpu(ce.src_wr_idx),
+ le32_to_cpu(ce.src_r_idx),
+ le32_to_cpu(ce.dst_wr_idx),
+ le32_to_cpu(ce.dst_r_idx));
+ }
+
+ spin_unlock_bh(&ar_pci->ce_lock);
+}
@@ -20,8 +20,6 @@
#include "hif.h"
-/* Maximum number of Copy Engine's supported */
-#define CE_COUNT_MAX 12
#define CE_HTT_H2T_MSG_SRC_NENTRIES 8192
/* Descriptor rings must be aligned to this boundary */
@@ -228,6 +226,8 @@ void ath10k_ce_per_engine_service_any(struct ath10k *ar);
void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id);
int ath10k_ce_disable_interrupts(struct ath10k *ar);
void ath10k_ce_enable_interrupts(struct ath10k *ar);
+void ath10k_ce_dump_registers(struct ath10k *ar,
+ struct ath10k_fw_crash_data *crash_data);
/* ce_attr.flags values */
/* Use NonSnooping PCIe accesses? */
@@ -419,6 +419,21 @@ struct ath10k_vif_iter {
struct ath10k_vif *arvif;
};
+/* Copy Engine register dump, protected by ce-lock */
+struct ath10k_ce_crash_data {
+ __le32 base_addr;
+ __le32 src_wr_idx;
+ __le32 src_r_idx;
+ __le32 dst_wr_idx;
+ __le32 dst_r_idx;
+};
+
+struct ath10k_ce_crash_hdr {
+ __le32 ce_count;
+ __le32 reserved[3]; /* for future use */
+ struct ath10k_ce_crash_data entries[];
+};
+
/* used for crash-dump storage, protected by data-lock */
struct ath10k_fw_crash_data {
bool crashed_since_read;
@@ -426,6 +441,7 @@ struct ath10k_fw_crash_data {
uuid_le uuid;
struct timespec timestamp;
__le32 registers[REG_DUMP_COUNT_QCA988X];
+ struct ath10k_ce_crash_data ce_crash_data[CE_COUNT_MAX];
};
struct ath10k_debug {
@@ -41,6 +41,7 @@
*/
enum ath10k_fw_crash_dump_type {
ATH10K_FW_CRASH_DUMP_REGISTERS = 0,
+ ATH10K_FW_CRASH_DUMP_CE_DATA = 1,
ATH10K_FW_CRASH_DUMP_MAX,
};
@@ -729,6 +730,7 @@ static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar,
bool mark_read)
{
struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
+ struct ath10k_ce_crash_hdr *ce_hdr;
struct ath10k_dump_file_data *dump_data;
struct ath10k_tlv_dump_data *dump_tlv;
int hdr_len = sizeof(*dump_data);
@@ -737,6 +739,8 @@ static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar,
len = hdr_len;
len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
+ len += sizeof(*dump_tlv) + sizeof(*ce_hdr) +
+ CE_COUNT * sizeof(ce_hdr->entries[0]);
sofar += hdr_len;
@@ -795,6 +799,18 @@ static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar,
sizeof(crash_data->registers));
sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
+ dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
+ dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_CE_DATA);
+ dump_tlv->tlv_len = cpu_to_le32(sizeof(*ce_hdr) +
+ CE_COUNT * sizeof(ce_hdr->entries[0]));
+ ce_hdr = (struct ath10k_ce_crash_hdr *)(dump_tlv->tlv_data);
+ ce_hdr->ce_count = cpu_to_le32(CE_COUNT);
+ memset(ce_hdr->reserved, 0, sizeof(ce_hdr->reserved));
+ memcpy(ce_hdr->entries, crash_data->ce_crash_data,
+ CE_COUNT * sizeof(ce_hdr->entries[0]));
+ sofar += sizeof(*dump_tlv) + sizeof(*ce_hdr) +
+ CE_COUNT * sizeof(ce_hdr->entries[0]);
+
ar->debug.fw_crash_data->crashed_since_read = !mark_read;
spin_unlock_bh(&ar->data_lock);
@@ -578,6 +578,9 @@ ath10k_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw,
#define TARGET_10_4_IPHDR_PAD_CONFIG 1
#define TARGET_10_4_QWRAP_CONFIG 0
+/* Maximum number of Copy Engine's supported */
+#define CE_COUNT_MAX 12
+
/* Number of Copy Engines supported */
#define CE_COUNT ar->hw_values->ce_count
@@ -1474,6 +1474,7 @@ static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
ath10k_err(ar, "firmware crashed! (uuid %s)\n", uuid);
ath10k_print_driver_info(ar);
ath10k_pci_dump_registers(ar, crash_data);
+ ath10k_ce_dump_registers(ar, crash_data);
spin_unlock_bh(&ar->data_lock);