diff options
| author | Hariprasad Shenai | 2015-06-09 14:57:50 +0200 |
|---|---|---|
| committer | David S. Miller | 2015-06-11 07:00:26 +0200 |
| commit | 26fae93fdafe7f22ecda12e3671901569b3db687 (patch) | |
| tree | b9d31d353bd43ec48bfb2666fcfa4a672ec6c7bb /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | |
| parent | bna: remove obsolete use of EXTRA_CFLAGS (diff) | |
| download | kernel-qcow2-linux-26fae93fdafe7f22ecda12e3671901569b3db687.tar.gz kernel-qcow2-linux-26fae93fdafe7f22ecda12e3671901569b3db687.tar.xz kernel-qcow2-linux-26fae93fdafe7f22ecda12e3671901569b3db687.zip | |
cxgb4: Add a debugfs entry to dump CIM MA logic analyzer logs
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 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index fdda0f8c5a19..5643cad60f0e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2586,6 +2586,27 @@ int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op) return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL); } +void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp) +{ + u32 cfg; + int i, j, idx; + + cfg = t4_read_reg(adap, CIM_DEBUGCFG_A); + if (cfg & LADBGEN_F) + t4_write_reg(adap, CIM_DEBUGCFG_A, cfg ^ LADBGEN_F); + + for (i = 0; i < CIM_MALA_SIZE; i++) { + for (j = 0; j < 5; j++) { + idx = 8 * i + j; + t4_write_reg(adap, CIM_DEBUGCFG_A, POLADBGRDPTR_V(idx) | + PILADBGRDPTR_V(idx)); + *ma_req++ = t4_read_reg(adap, CIM_PO_LA_MADEBUGDATA_A); + *ma_rsp++ = t4_read_reg(adap, CIM_PI_LA_MADEBUGDATA_A); + } + } + t4_write_reg(adap, CIM_DEBUGCFG_A, cfg); +} + void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf) { unsigned int i, j; |