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| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2015-08-04 14:36:18 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-04 01:24:34 -0700 |
| commit | bf8ebb67dae0a07db7aebe7a65c178ff24d90842 (patch) | |
| tree | 923b6ec4b53522a9f5c2dd84a014651f6f5b6a0a /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | |
| parent | 5888111cb8f7368304db42787c9495d4b2b82e06 (diff) | |
| download | linux-bf8ebb67dae0a07db7aebe7a65c178ff24d90842.tar.gz linux-bf8ebb67dae0a07db7aebe7a65c178ff24d90842.tar.bz2 linux-bf8ebb67dae0a07db7aebe7a65c178ff24d90842.zip | |
cxgb4: Add support to dump edc bist status
Add support to dump edc bist status for ECC data errors
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 800bd489dd75..b19329519dd5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -345,6 +345,43 @@ int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, FW_CMD_MAX_TIMEOUT); } +static int t4_edc_err_read(struct adapter *adap, int idx) +{ + u32 edc_ecc_err_addr_reg; + u32 rdata_reg; + + if (is_t4(adap->params.chip)) { + CH_WARN(adap, "%s: T4 NOT supported.\n", __func__); + return 0; + } + if (idx != 0 && idx != 1) { + CH_WARN(adap, "%s: idx %d NOT supported.\n", __func__, idx); + return 0; + } + + edc_ecc_err_addr_reg = EDC_T5_REG(EDC_H_ECC_ERR_ADDR_A, idx); + rdata_reg = EDC_T5_REG(EDC_H_BIST_STATUS_RDATA_A, idx); + + CH_WARN(adap, + "edc%d err addr 0x%x: 0x%x.\n", + idx, edc_ecc_err_addr_reg, + t4_read_reg(adap, edc_ecc_err_addr_reg)); + CH_WARN(adap, + "bist: 0x%x, status %llx %llx %llx %llx %llx %llx %llx %llx %llx.\n", + rdata_reg, + (unsigned long long)t4_read_reg64(adap, rdata_reg), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 8), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 16), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 24), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 32), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 40), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 48), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 56), + (unsigned long long)t4_read_reg64(adap, rdata_reg + 64)); + + return 0; +} + /** * t4_memory_rw - read/write EDC 0, EDC 1 or MC via PCIE memory window * @adap: the adapter @@ -3283,6 +3320,8 @@ static void mem_intr_handler(struct adapter *adapter, int idx) if (v & ECC_CE_INT_CAUSE_F) { u32 cnt = ECC_CECNT_G(t4_read_reg(adapter, cnt_addr)); + t4_edc_err_read(adapter, idx); + t4_write_reg(adapter, cnt_addr, ECC_CECNT_V(ECC_CECNT_M)); if (printk_ratelimit()) dev_warn(adapter->pdev_dev, |