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Commit db8cd7ce authored by Rahul Lakkireddy's avatar Rahul Lakkireddy Committed by David S. Miller
Browse files

cxgb4: collect PBT tables dump 



Signed-off-by: default avatarRahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: default avatarGanesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b289593e

drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h

+15 −0
Original line number Diff line number Diff line
@@ -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] = {

drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c

+68 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h

+3 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c

+4 −0
Original line number Diff line number Diff line
@@ -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;