diff options
| author | Edward Cree <ecree@solarflare.com> | 2017-12-18 17:56:19 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-18 19:07:49 +0100 |
| commit | 71827443017789da691b402090c6be6138f43157 (patch) | |
| tree | c4fe0cc5068136d27ea3e19a80a17c4476a69b91 /drivers/net/ethernet/sfc/mcdi.h | |
| parent | sfc: make mem_bar a function rather than a constant (diff) | |
| download | linux-71827443017789da691b402090c6be6138f43157.tar.xz linux-71827443017789da691b402090c6be6138f43157.zip | |
sfc: support VI strides other than 8k
Medford2 can also have 16k or 64k VI stride. This is reported by MCDI in
GET_CAPABILITIES, which fortunately is called before the driver does
anything sensitive to the VI stride (such as accessing or even allocating
VIs past the zeroth).
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 154ef41d1927..ebd95972ae7b 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -208,6 +208,9 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); #define _MCDI_DWORD(_buf, _field) \ ((_buf) + (_MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, 4) >> 2)) +#define MCDI_BYTE(_buf, _field) \ + ((void)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 1), \ + *MCDI_PTR(_buf, _field)) #define MCDI_WORD(_buf, _field) \ ((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \ le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field))) |