diff options
Diffstat (limited to 'sys/dev/sfxge/common/ef10_nic.c')
| -rw-r--r-- | sys/dev/sfxge/common/ef10_nic.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/dev/sfxge/common/ef10_nic.c b/sys/dev/sfxge/common/ef10_nic.c index 8481c26..24ecb4b 100644 --- a/sys/dev/sfxge/common/ef10_nic.c +++ b/sys/dev/sfxge/common/ef10_nic.c @@ -961,6 +961,50 @@ ef10_nic_pio_unlink( return (efx_mcdi_unlink_piobuf(enp, vi_index)); } +static __checkReturn efx_rc_t +ef10_mcdi_get_pf_count( + __in efx_nic_t *enp, + __out uint32_t *pf_countp) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_GET_PF_COUNT_IN_LEN, + MC_CMD_GET_PF_COUNT_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_GET_PF_COUNT; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_GET_PF_COUNT_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_GET_PF_COUNT_OUT_LEN; + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + + if (req.emr_out_length_used < MC_CMD_GET_PF_COUNT_OUT_LEN) { + rc = EMSGSIZE; + goto fail2; + } + + *pf_countp = *MCDI_OUT(req, uint8_t, + MC_CMD_GET_PF_COUNT_OUT_PF_COUNT_OFST); + + EFSYS_ASSERT(*pf_countp != 0); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + __checkReturn efx_rc_t ef10_get_datapath_caps( __in efx_nic_t *enp) @@ -975,6 +1019,9 @@ ef10_get_datapath_caps( &tso2nc)) != 0) goto fail1; + if ((rc = ef10_mcdi_get_pf_count(enp, &encp->enc_hw_pf_count)) != 0) + goto fail1; + #define CAP_FLAG(flags1, field) \ ((flags1) & (1 << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## field ## _LBN))) |
