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cxgb4: collect PBT tables dump

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Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rahul Lakkireddy 2017-10-26 17:18:38 +05:30 committed by David S. Miller
parent b289593e13
commit db8cd7ce20
5 changed files with 91 additions and 0 deletions
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15
drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
View File

@ -145,6 +145,21 @@ struct cudbg_ulptx_la {
u32 rd_data[CUDBG_NUM_ULPTX][CUDBG_NUM_ULPTX_READ];
};
#define CUDBG_CHAC_PBT_ADDR 0x2800
#define CUDBG_CHAC_PBT_LRF 0x3000
#define CUDBG_CHAC_PBT_DATA 0x3800
#define CUDBG_PBT_DYNAMIC_ENTRIES 8
#define CUDBG_PBT_STATIC_ENTRIES 16
#define CUDBG_LRF_ENTRIES 8
#define CUDBG_PBT_DATA_ENTRIES 512
struct cudbg_pbt_tables {
u32 pbt_dynamic[CUDBG_PBT_DYNAMIC_ENTRIES];
u32 pbt_static[CUDBG_PBT_STATIC_ENTRIES];
u32 lrf_table[CUDBG_LRF_ENTRIES];
u32 pbt_data[CUDBG_PBT_DATA_ENTRIES];
};
#define IREG_NUM_ELEM 4
static const u32 t6_tp_pio_array[][IREG_NUM_ELEM] = {

1
drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
View File

@ -62,6 +62,7 @@ enum cudbg_dbg_entity_type {
CUDBG_MA_INDIRECT = 61,
CUDBG_ULPTX_LA = 62,
CUDBG_UP_CIM_INDIRECT = 64,
CUDBG_PBT_TABLE = 65,
CUDBG_MBOX_LOG = 66,
CUDBG_HMA_INDIRECT = 67,
CUDBG_MAX_ENTITY = 70,

68
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
View File

@ -1310,6 +1310,74 @@ int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init,
return rc;
}
int cudbg_collect_pbt_tables(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 cudbg_pbt_tables *pbt;
int i, rc;
u32 addr;
rc = cudbg_get_buff(dbg_buff, sizeof(struct cudbg_pbt_tables),
&temp_buff);
if (rc)
return rc;
pbt = (struct cudbg_pbt_tables *)temp_buff.data;
/* PBT dynamic entries */
addr = CUDBG_CHAC_PBT_ADDR;
for (i = 0; i < CUDBG_PBT_DYNAMIC_ENTRIES; i++) {
rc = t4_cim_read(padap, addr + (i * 4), 1,
&pbt->pbt_dynamic[i]);
if (rc) {
cudbg_err->sys_err = rc;
cudbg_put_buff(&temp_buff, dbg_buff);
return rc;
}
}
/* PBT static entries */
/* static entries start when bit 6 is set */
addr = CUDBG_CHAC_PBT_ADDR + (1 << 6);
for (i = 0; i < CUDBG_PBT_STATIC_ENTRIES; i++) {
rc = t4_cim_read(padap, addr + (i * 4), 1,
&pbt->pbt_static[i]);
if (rc) {
cudbg_err->sys_err = rc;
cudbg_put_buff(&temp_buff, dbg_buff);
return rc;
}
}
/* LRF entries */
addr = CUDBG_CHAC_PBT_LRF;
for (i = 0; i < CUDBG_LRF_ENTRIES; i++) {
rc = t4_cim_read(padap, addr + (i * 4), 1,
&pbt->lrf_table[i]);
if (rc) {
cudbg_err->sys_err = rc;
cudbg_put_buff(&temp_buff, dbg_buff);
return rc;
}
}
/* PBT data entries */
addr = CUDBG_CHAC_PBT_DATA;
for (i = 0; i < CUDBG_PBT_DATA_ENTRIES; i++) {
rc = t4_cim_read(padap, addr + (i * 4), 1,
&pbt->pbt_data[i]);
if (rc) {
cudbg_err->sys_err = rc;
cudbg_put_buff(&temp_buff, dbg_buff);
return rc;
}
}
cudbg_write_and_release_buff(&temp_buff, dbg_buff);
return rc;
}
int cudbg_collect_mbox_log(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err)

3
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
View File

@ -123,6 +123,9 @@ int cudbg_collect_ulptx_la(struct cudbg_init *pdbg_init,
int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_pbt_tables(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_mbox_log(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);

4
drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
View File

@ -60,6 +60,7 @@ static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = {
{ CUDBG_MA_INDIRECT, cudbg_collect_ma_indirect },
{ CUDBG_ULPTX_LA, cudbg_collect_ulptx_la },
{ CUDBG_UP_CIM_INDIRECT, cudbg_collect_up_cim_indirect },
{ CUDBG_PBT_TABLE, cudbg_collect_pbt_tables },
{ CUDBG_HMA_INDIRECT, cudbg_collect_hma_indirect },
};
@ -215,6 +216,9 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity)
n = sizeof(t5_up_cim_reg_array) / (IREG_NUM_ELEM * sizeof(u32));
len = sizeof(struct ireg_buf) * n;
break;
case CUDBG_PBT_TABLE:
len = sizeof(struct cudbg_pbt_tables);
break;
case CUDBG_MBOX_LOG:
len = sizeof(struct cudbg_mbox_log) * adap->mbox_log->size;
break;