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cxgb4: collect hardware LA dumps

Browse Source 
Collect CIM, CIM_MA, ULP_RX, TP, CIM_PIF, and ULP_TX logic analyzer
dumps.

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 17:18:33 +05:30 committed by David S. Miller
parent 123196b693
commit 27887bc7cb
6 changed files with 250 additions and 0 deletions
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26
drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
View File

@ -45,6 +45,32 @@ struct ireg_buf {
u32 outbuf[32];
};
struct cudbg_ulprx_la {
u32 data[ULPRX_LA_SIZE * 8];
u32 size;
};
struct cudbg_tp_la {
u32 size;
u32 mode;
u8 data[0];
};
struct cudbg_cim_pif_la {
int size;
u8 data[0];
};
#define CUDBG_NUM_ULPTX 11
#define CUDBG_NUM_ULPTX_READ 512
struct cudbg_ulptx_la {
u32 rdptr[CUDBG_NUM_ULPTX];
u32 wrptr[CUDBG_NUM_ULPTX];
u32 rddata[CUDBG_NUM_ULPTX];
u32 rd_data[CUDBG_NUM_ULPTX][CUDBG_NUM_ULPTX_READ];
};
#define IREG_NUM_ELEM 4
static const u32 t6_tp_pio_array[][IREG_NUM_ELEM] = {

6
drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
View File

@ -29,6 +29,8 @@
enum cudbg_dbg_entity_type {
CUDBG_REG_DUMP = 1,
CUDBG_DEV_LOG = 2,
CUDBG_CIM_LA = 3,
CUDBG_CIM_MA_LA = 4,
CUDBG_CIM_IBQ_TP0 = 6,
CUDBG_CIM_IBQ_TP1 = 7,
CUDBG_CIM_IBQ_ULP = 8,
@ -45,11 +47,15 @@ enum cudbg_dbg_entity_type {
CUDBG_EDC1 = 19,
CUDBG_TP_INDIRECT = 36,
CUDBG_SGE_INDIRECT = 37,
CUDBG_ULPRX_LA = 41,
CUDBG_TP_LA = 43,
CUDBG_CIM_PIF_LA = 45,
CUDBG_CIM_OBQ_RXQ0 = 47,
CUDBG_CIM_OBQ_RXQ1 = 48,
CUDBG_PCIE_INDIRECT = 50,
CUDBG_PM_INDIRECT = 51,
CUDBG_MA_INDIRECT = 61,
CUDBG_ULPTX_LA = 62,
CUDBG_UP_CIM_INDIRECT = 64,
CUDBG_MBOX_LOG = 66,
CUDBG_HMA_INDIRECT = 67,

164
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
View File

@ -129,6 +129,69 @@ int cudbg_collect_fw_devlog(struct cudbg_init *pdbg_init,
return rc;
}
int cudbg_collect_cim_la(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 };
int size, rc;
u32 cfg = 0;
if (is_t6(padap->params.chip)) {
size = padap->params.cim_la_size / 10 + 1;
size *= 11 * sizeof(u32);
} else {
size = padap->params.cim_la_size / 8;
size *= 8 * sizeof(u32);
}
size += sizeof(cfg);
rc = cudbg_get_buff(dbg_buff, size, &temp_buff);
if (rc)
return rc;
rc = t4_cim_read(padap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
if (rc) {
cudbg_err->sys_err = rc;
cudbg_put_buff(&temp_buff, dbg_buff);
return rc;
}
memcpy((char *)temp_buff.data, &cfg, sizeof(cfg));
rc = t4_cim_read_la(padap,
(u32 *)((char *)temp_buff.data + sizeof(cfg)),
NULL);
if (rc < 0) {
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_cim_ma_la(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 };
int size, rc;
size = 2 * CIM_MALA_SIZE * 5 * sizeof(u32);
rc = cudbg_get_buff(dbg_buff, size, &temp_buff);
if (rc)
return rc;
t4_cim_read_ma_la(padap,
(u32 *)temp_buff.data,
(u32 *)((char *)temp_buff.data +
5 * CIM_MALA_SIZE));
cudbg_write_and_release_buff(&temp_buff, dbg_buff);
return rc;
}
static int cudbg_read_cim_ibq(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err, int qid)
@ -574,6 +637,72 @@ int cudbg_collect_sge_indirect(struct cudbg_init *pdbg_init,
return rc;
}
int cudbg_collect_ulprx_la(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_ulprx_la *ulprx_la_buff;
int rc;
rc = cudbg_get_buff(dbg_buff, sizeof(struct cudbg_ulprx_la),
&temp_buff);
if (rc)
return rc;
ulprx_la_buff = (struct cudbg_ulprx_la *)temp_buff.data;
t4_ulprx_read_la(padap, (u32 *)ulprx_la_buff->data);
ulprx_la_buff->size = ULPRX_LA_SIZE;
cudbg_write_and_release_buff(&temp_buff, dbg_buff);
return rc;
}
int cudbg_collect_tp_la(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_tp_la *tp_la_buff;
int size, rc;
size = sizeof(struct cudbg_tp_la) + TPLA_SIZE * sizeof(u64);
rc = cudbg_get_buff(dbg_buff, size, &temp_buff);
if (rc)
return rc;
tp_la_buff = (struct cudbg_tp_la *)temp_buff.data;
tp_la_buff->mode = DBGLAMODE_G(t4_read_reg(padap, TP_DBG_LA_CONFIG_A));
t4_tp_read_la(padap, (u64 *)tp_la_buff->data, NULL);
cudbg_write_and_release_buff(&temp_buff, dbg_buff);
return rc;
}
int cudbg_collect_cim_pif_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err)
{
struct cudbg_cim_pif_la *cim_pif_la_buff;
struct adapter *padap = pdbg_init->adap;
struct cudbg_buffer temp_buff = { 0 };
int size, rc;
size = sizeof(struct cudbg_cim_pif_la) +
2 * CIM_PIFLA_SIZE * 6 * sizeof(u32);
rc = cudbg_get_buff(dbg_buff, size, &temp_buff);
if (rc)
return rc;
cim_pif_la_buff = (struct cudbg_cim_pif_la *)temp_buff.data;
cim_pif_la_buff->size = CIM_PIFLA_SIZE;
t4_cim_read_pif_la(padap, (u32 *)cim_pif_la_buff->data,
(u32 *)cim_pif_la_buff->data + 6 * CIM_PIFLA_SIZE,
NULL, NULL);
cudbg_write_and_release_buff(&temp_buff, dbg_buff);
return rc;
}
int cudbg_collect_pcie_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err)
@ -743,6 +872,41 @@ int cudbg_collect_ma_indirect(struct cudbg_init *pdbg_init,
return rc;
}
int cudbg_collect_ulptx_la(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_ulptx_la *ulptx_la_buff;
u32 i, j;
int rc;
rc = cudbg_get_buff(dbg_buff, sizeof(struct cudbg_ulptx_la),
&temp_buff);
if (rc)
return rc;
ulptx_la_buff = (struct cudbg_ulptx_la *)temp_buff.data;
for (i = 0; i < CUDBG_NUM_ULPTX; i++) {
ulptx_la_buff->rdptr[i] = t4_read_reg(padap,
ULP_TX_LA_RDPTR_0_A +
0x10 * i);
ulptx_la_buff->wrptr[i] = t4_read_reg(padap,
ULP_TX_LA_WRPTR_0_A +
0x10 * i);
ulptx_la_buff->rddata[i] = t4_read_reg(padap,
ULP_TX_LA_RDDATA_0_A +
0x10 * i);
for (j = 0; j < CUDBG_NUM_ULPTX_READ; j++)
ulptx_la_buff->rd_data[i][j] =
t4_read_reg(padap,
ULP_TX_LA_RDDATA_0_A + 0x10 * i);
}
cudbg_write_and_release_buff(&temp_buff, dbg_buff);
return rc;
}
int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err)

18
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
View File

@ -24,6 +24,12 @@ int cudbg_collect_reg_dump(struct cudbg_init *pdbg_init,
int cudbg_collect_fw_devlog(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_cim_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_cim_ma_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_cim_ibq_tp0(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
@ -72,6 +78,15 @@ int cudbg_collect_tp_indirect(struct cudbg_init *pdbg_init,
int cudbg_collect_sge_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_ulprx_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_tp_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_cim_pif_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_obq_sge_rx_q0(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
@ -87,6 +102,9 @@ int cudbg_collect_pm_indirect(struct cudbg_init *pdbg_init,
int cudbg_collect_ma_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_ulptx_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);

32
drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
View File

@ -29,6 +29,8 @@ static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = {
{ CUDBG_MBOX_LOG, cudbg_collect_mbox_log },
{ CUDBG_DEV_LOG, cudbg_collect_fw_devlog },
{ CUDBG_REG_DUMP, cudbg_collect_reg_dump },
{ CUDBG_CIM_LA, cudbg_collect_cim_la },
{ CUDBG_CIM_MA_LA, cudbg_collect_cim_ma_la },
{ CUDBG_CIM_IBQ_TP0, cudbg_collect_cim_ibq_tp0 },
{ CUDBG_CIM_IBQ_TP1, cudbg_collect_cim_ibq_tp1 },
{ CUDBG_CIM_IBQ_ULP, cudbg_collect_cim_ibq_ulp },
@ -43,11 +45,15 @@ static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = {
{ CUDBG_CIM_OBQ_NCSI, cudbg_collect_cim_obq_ncsi },
{ CUDBG_TP_INDIRECT, cudbg_collect_tp_indirect },
{ CUDBG_SGE_INDIRECT, cudbg_collect_sge_indirect },
{ CUDBG_ULPRX_LA, cudbg_collect_ulprx_la },
{ CUDBG_TP_LA, cudbg_collect_tp_la },
{ CUDBG_CIM_PIF_LA, cudbg_collect_cim_pif_la },
{ CUDBG_CIM_OBQ_RXQ0, cudbg_collect_obq_sge_rx_q0 },
{ CUDBG_CIM_OBQ_RXQ1, cudbg_collect_obq_sge_rx_q1 },
{ CUDBG_PCIE_INDIRECT, cudbg_collect_pcie_indirect },
{ CUDBG_PM_INDIRECT, cudbg_collect_pm_indirect },
{ CUDBG_MA_INDIRECT, cudbg_collect_ma_indirect },
{ CUDBG_ULPTX_LA, cudbg_collect_ulptx_la },
{ CUDBG_UP_CIM_INDIRECT, cudbg_collect_up_cim_indirect },
{ CUDBG_HMA_INDIRECT, cudbg_collect_hma_indirect },
};
@ -73,6 +79,19 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity)
case CUDBG_DEV_LOG:
len = adap->params.devlog.size;
break;
case CUDBG_CIM_LA:
if (is_t6(adap->params.chip)) {
len = adap->params.cim_la_size / 10 + 1;
len *= 11 * sizeof(u32);
} else {
len = adap->params.cim_la_size / 8;
len *= 8 * sizeof(u32);
}
len += sizeof(u32); /* for reading CIM LA configuration */
break;
case CUDBG_CIM_MA_LA:
len = 2 * CIM_MALA_SIZE * 5 * sizeof(u32);
break;
case CUDBG_CIM_IBQ_TP0:
case CUDBG_CIM_IBQ_TP1:
case CUDBG_CIM_IBQ_ULP:
@ -142,6 +161,16 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity)
case CUDBG_SGE_INDIRECT:
len = sizeof(struct ireg_buf) * 2;
break;
case CUDBG_ULPRX_LA:
len = sizeof(struct cudbg_ulprx_la);
break;
case CUDBG_TP_LA:
len = sizeof(struct cudbg_tp_la) + TPLA_SIZE * sizeof(u64);
break;
case CUDBG_CIM_PIF_LA:
len = sizeof(struct cudbg_cim_pif_la);
len += 2 * CIM_PIFLA_SIZE * 6 * sizeof(u32);
break;
case CUDBG_PCIE_INDIRECT:
n = sizeof(t5_pcie_pdbg_array) / (IREG_NUM_ELEM * sizeof(u32));
len = sizeof(struct ireg_buf) * n * 2;
@ -157,6 +186,9 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity)
len = sizeof(struct ireg_buf) * n * 2;
}
break;
case CUDBG_ULPTX_LA:
len = sizeof(struct cudbg_ulptx_la);
break;
case CUDBG_UP_CIM_INDIRECT:
n = sizeof(t5_up_cim_reg_array) / (IREG_NUM_ELEM * sizeof(u32));
len = sizeof(struct ireg_buf) * n;

4
drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
View File

@ -1629,6 +1629,10 @@
#define IESPI_PAR_ERROR_V(x) ((x) << IESPI_PAR_ERROR_S)
#define IESPI_PAR_ERROR_F IESPI_PAR_ERROR_V(1U)
#define ULP_TX_LA_RDPTR_0_A 0x8ec0
#define ULP_TX_LA_RDDATA_0_A 0x8ec4
#define ULP_TX_LA_WRPTR_0_A 0x8ec8
#define PMRX_E_PCMD_PAR_ERROR_S 0
#define PMRX_E_PCMD_PAR_ERROR_V(x) ((x) << PMRX_E_PCMD_PAR_ERROR_S)
#define PMRX_E_PCMD_PAR_ERROR_F PMRX_E_PCMD_PAR_ERROR_V(1U)