From db8cd7ce208a7e7d440856b5c3e4e96af6dd9917 Mon Sep 17 00:00:00 2001 From: Rahul Lakkireddy Date: Thu, 26 Oct 2017 17:18:38 +0530 Subject: [PATCH] cxgb4: collect PBT tables dump Signed-off-by: Rahul Lakkireddy Signed-off-by: Ganesh Goudar Signed-off-by: David S. Miller --- .../net/ethernet/chelsio/cxgb4/cudbg_entity.h | 15 ++++ drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h | 1 + .../net/ethernet/chelsio/cxgb4/cudbg_lib.c | 68 +++++++++++++++++++ .../net/ethernet/chelsio/cxgb4/cudbg_lib.h | 3 + .../net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | 4 ++ 5 files changed, 91 insertions(+) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h index 1860cf2b5286..22853372abdf 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h @@ -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] = { diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h index ce7bb909b8fd..f672799cc8d3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h @@ -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, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index 03f1ec0c0160..c4096967c434 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -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) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h index 280423f9869d..311b330bc3b2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h @@ -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); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c index f1a1ece45b97..003deb345ff2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c @@ -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; -- GitLab