diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi_functions.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_functions.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi_functions.c b/drivers/net/ethernet/sfc/mcdi_functions.c index 0f571864df22..f5dad8bffc3d 100644 --- a/drivers/net/ethernet/sfc/mcdi_functions.c +++ b/drivers/net/ethernet/sfc/mcdi_functions.c @@ -370,3 +370,20 @@ int efx_mcdi_window_mode_to_stride(struct efx_nic *efx, u8 vi_window_mode) efx->vi_stride); return 0; } + +int efx_get_pf_index(struct efx_nic *efx, unsigned int *pf_index) +{ + MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); + size_t outlen; + int rc; + + rc = efx_mcdi_rpc(efx, MC_CMD_GET_FUNCTION_INFO, NULL, 0, outbuf, + sizeof(outbuf), &outlen); + if (rc) + return rc; + if (outlen < sizeof(outbuf)) + return -EIO; + + *pf_index = MCDI_DWORD(outbuf, GET_FUNCTION_INFO_OUT_PF); + return 0; +} |