Collect firmware mbox and device logs before collecting the rest of
the hardware dumps to snap the firmware state before the mailbox logs
are updated by other hardware dumps.
Signed-off-by: Rahul Lakkireddy <rahul.lakkire...@chelsio.com>
Signed-off-by: Ganesh Goudar <ganes...@chelsio.com>
---
drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h | 6 ++
drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h | 2 +
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c | 84 +++++++++++++++++++++++
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h | 6 ++
drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | 9 +++
5 files changed, 107 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
index 71a426dd22f5..2b717e700bbc 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
@@ -26,4 +26,10 @@ struct card_mem {
u16 size_edc1;
u16 mem_flag;
};
+
+struct cudbg_mbox_log {
+ struct mbox_cmd entry;
+ u32 hi[MBOX_LEN / 8];
+ u32 lo[MBOX_LEN / 8];
+};
#endif /* __CUDBG_ENTITY_H__ */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
index e45690fd0932..89c47e4c5e82 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
@@ -28,8 +28,10 @@
enum cudbg_dbg_entity_type {
CUDBG_REG_DUMP = 1,
+ CUDBG_DEV_LOG = 2,
CUDBG_EDC0 = 18,
CUDBG_EDC1 = 19,
+ CUDBG_MBOX_LOG = 66,
CUDBG_MAX_ENTITY = 70,
};
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index b0a747a6fbb2..b9039562e5d4 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -90,6 +90,45 @@ int collect_reg_dump(struct cudbg_init *pdbg_init,
return rc;
}
+int collect_fw_devlog(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err)
+{
+ struct adapter *padap = pdbg_init->adap;
+ struct cudbg_buffer temp_buff = { 0 };
+ struct devlog_params *dparams;
+ int rc = 0;
+
+ rc = t4_init_devlog_params(padap);
+ if (rc < 0) {
+ cudbg_err->sys_err = rc;
+ return rc;
+ }
+
+ dparams = &padap->params.devlog;
+ rc = get_cudbg_buff(dbg_buff, dparams->size, &temp_buff);
+ if (rc)
+ return rc;
+
+ /* Collect FW devlog */
+ if (dparams->start != 0) {
+ spin_lock(&padap->win0_lock);
+ rc = t4_memory_rw(padap, padap->params.drv_memwin,
+ dparams->memtype, dparams->start,
+ dparams->size,
+ (__be32 *)(char *)temp_buff.data,
+ 1);
+ spin_unlock(&padap->win0_lock);
+ if (rc) {
+ cudbg_err->sys_err = rc;
+ put_cudbg_buff(&temp_buff, dbg_buff);
+ return rc;
+ }
+ }
+ write_and_release_buff(&temp_buff, dbg_buff);
+ return rc;
+}
+
static int read_fw_mem(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff, u8 mem_type,
unsigned long tot_len, struct cudbg_error *cudbg_err)
@@ -209,3 +248,48 @@ int collect_edc1_meminfo(struct cudbg_init *pdbg_init,
{
return collect_mem_region(pdbg_init, dbg_buff, cudbg_err, MEM_EDC1);
}
+
+int collect_mbox_log(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err)
+{
+ struct adapter *padap = pdbg_init->adap;
+ struct cudbg_mbox_log *mboxlog = NULL;
+ struct cudbg_buffer temp_buff = { 0 };
+ struct mbox_cmd_log *log = NULL;
+ struct mbox_cmd *entry;
+ unsigned int entry_idx;
+ u16 mbox_cmds;
+ int i, k, rc;
+ u64 flit;
+ u32 size;
+
+ log = padap->mbox_log;
+ mbox_cmds = padap->mbox_log->size;
+ size = sizeof(struct cudbg_mbox_log) * mbox_cmds;
+ rc = get_cudbg_buff(dbg_buff, size, &temp_buff);
+ if (rc)
+ return rc;
+
+ mboxlog = (struct cudbg_mbox_log *)temp_buff.data;
+ for (k = 0; k < mbox_cmds; k++) {
+ entry_idx = log->cursor + k;
+ if (entry_idx >= log->size)
+ entry_idx -= log->size;
+
+ entry = mbox_cmd_log_entry(log, entry_idx);
+ /* skip over unused entries */
+ if (entry->timestamp == 0)
+ continue;
+
+ memcpy(&mboxlog->entry, entry, sizeof(struct mbox_cmd));
+ for (i = 0; i < MBOX_LEN / 8; i++) {
+ flit = entry->cmd[i];
+ mboxlog->hi[i] = (u32)(flit >> 32);
+ mboxlog->lo[i] = (u32)flit;
+ }
+ mboxlog++;
+ }
+ write_and_release_buff(&temp_buff, dbg_buff);
+ return rc;
+}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
index 04d66807c153..4a3e522a26ed 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
@@ -21,12 +21,18 @@
int collect_reg_dump(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
+int collect_fw_devlog(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err);
int collect_edc0_meminfo(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int collect_edc1_meminfo(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
+int collect_mbox_log(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err);
struct cudbg_entity_hdr *get_entity_hdr(void *outbuf, int i);
void align_debug_buffer(struct cudbg_buffer *dbg_buff,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
index cd8599083a69..337593afe60b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
@@ -18,6 +18,7 @@
#include "t4_regs.h"
#include "cxgb4.h"
#include "cxgb4_cudbg.h"
+#include "cudbg_entity.h"
static const struct cudbg_collect_entity collect_mem_dump[] = {
{ CUDBG_EDC0, collect_edc0_meminfo },
@@ -25,6 +26,8 @@ static const struct cudbg_collect_entity collect_mem_dump[] =
{
};
static const struct cudbg_collect_entity collect_hw_dump[] = {
+ { CUDBG_MBOX_LOG, collect_mbox_log },
+ { CUDBG_DEV_LOG, collect_fw_devlog },
{ CUDBG_REG_DUMP, collect_reg_dump },
};
@@ -46,6 +49,9 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32
entity)
break;
}
break;
+ case CUDBG_DEV_LOG:
+ len = adap->params.devlog.size;
+ break;
case CUDBG_EDC0:
value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
if (value & EDRAM0_ENABLE_F) {
@@ -62,6 +68,9 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32
entity)
}
len = mbytes_to_bytes(len);
break;
+ case CUDBG_MBOX_LOG:
+ len = sizeof(struct cudbg_mbox_log) * adap->mbox_log->size;
+ break;
default:
break;
}
--
2.14.1
