diff options
| author | Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> | 2017-10-13 18:48:15 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-14 18:35:14 -0700 |
| commit | b33af022e57996dc818ec960cbdf0f07cb5130d8 (patch) | |
| tree | cf41197755955cf0740cb758783bc09c5e0dc20b /drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | |
| parent | a7975a2f9a7984de9b9b318da9d1826033db32c7 (diff) | |
cxgb4: collect on-chip memory dump
Collect EDC0 and EDC1 memory dump.
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>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c index 4ec322eec68c..286d172a9c19 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c @@ -15,16 +15,22 @@ * */ +#include "t4_regs.h" #include "cxgb4.h" #include "cxgb4_cudbg.h" +static const struct cxgb4_collect_entity cxgb4_collect_mem_dump[] = { + { CUDBG_EDC0, cudbg_collect_edc0_meminfo }, + { CUDBG_EDC1, cudbg_collect_edc1_meminfo }, +}; + static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = { { CUDBG_REG_DUMP, cudbg_collect_reg_dump }, }; static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity) { - u32 len = 0; + u32 value, len = 0; switch (entity) { case CUDBG_REG_DUMP: @@ -40,6 +46,22 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity) break; } break; + case CUDBG_EDC0: + value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A); + if (value & EDRAM0_ENABLE_F) { + value = t4_read_reg(adap, MA_EDRAM0_BAR_A); + len = EDRAM0_SIZE_G(value); + } + len = cudbg_mbytes_to_bytes(len); + break; + case CUDBG_EDC1: + value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A); + if (value & EDRAM1_ENABLE_F) { + value = t4_read_reg(adap, MA_EDRAM1_BAR_A); + len = EDRAM1_SIZE_G(value); + } + len = cudbg_mbytes_to_bytes(len); + break; default: break; } @@ -59,6 +81,13 @@ u32 cxgb4_get_dump_length(struct adapter *adap, u32 flag) } } + if (flag & CXGB4_ETH_DUMP_MEM) { + for (i = 0; i < ARRAY_SIZE(cxgb4_collect_mem_dump); i++) { + entity = cxgb4_collect_mem_dump[i].entity; + len += cxgb4_get_entity_length(adap, entity); + } + } + return len; } @@ -152,6 +181,13 @@ int cxgb4_cudbg_collect(struct adapter *adap, void *buf, u32 *buf_size, buf, &total_size); + if (flag & CXGB4_ETH_DUMP_MEM) + cxgb4_cudbg_collect_entity(&cudbg_init, &dbg_buff, + cxgb4_collect_mem_dump, + ARRAY_SIZE(cxgb4_collect_mem_dump), + buf, + &total_size); + cudbg_hdr->data_len = total_size; *buf_size = total_size; return 0; |