diff options
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi.h | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 03fb6c0651e8..969ecc06560a 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -87,8 +87,10 @@ extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); #define MCDI_DECLARE_BUF(_name, _len) \ u8 _name[ALIGN(_len, 4)] +#define _MCDI_PTR(_buf, _offset) \ + ((u8 *)(_buf) + (_offset)) #define MCDI_PTR(_buf, _field) \ - ((u8 *)(_buf) + MC_CMD_ ## _field ## _OFST) + _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST) #define _MCDI_DWORD(_buf, _field) \ ((efx_dword_t *)MCDI_PTR(_buf, _field)) @@ -102,18 +104,38 @@ extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); #define MCDI_QWORD(_buf, _field) \ (EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[0], EFX_DWORD_0) | \ (u64)EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[1], EFX_DWORD_0) << 32) +#define MCDI_FIELD(_ptr, _type, _field) \ + EFX_EXTRACT_DWORD( \ + *(efx_dword_t *) \ + _MCDI_PTR(_ptr, MC_CMD_ ## _type ## _ ## _field ## _OFST & ~3),\ + MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f, \ + (MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f) + \ + MC_CMD_ ## _type ## _ ## _field ## _WIDTH - 1) -#define MCDI_ARRAY_PTR(_buf, _field, _type, _index) \ +#define _MCDI_ARRAY_PTR(_buf, _field, _index) \ (MCDI_PTR(_buf, _field) + \ - (_index) * MC_CMD_ ## _type ## _TYPEDEF_LEN) + (_index) * MC_CMD_ ## _field ## _LEN) +#define MCDI_DECLARE_STRUCT_PTR(_name) \ + u8 *_name +#define MCDI_ARRAY_STRUCT_PTR _MCDI_ARRAY_PTR +#define MCDI_VAR_ARRAY_LEN(_len, _field) \ + min_t(size_t, MC_CMD_ ## _field ## _MAXNUM, \ + ((_len) - MC_CMD_ ## _field ## _OFST) / MC_CMD_ ## _field ## _LEN) +#define MCDI_ARRAY_WORD(_buf, _field, _index) \ + (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) + \ + le16_to_cpu(*(__force const __le16 *) \ + _MCDI_ARRAY_PTR(_buf, _field, _index))) +#define _MCDI_ARRAY_DWORD(_buf, _field, _index) \ + (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 4) + \ + (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index)) +#define MCDI_SET_ARRAY_DWORD(_buf, _field, _index, _value) \ + EFX_SET_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), \ + EFX_DWORD_0, _value) +#define MCDI_ARRAY_DWORD(_buf, _field, _index) \ + EFX_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), EFX_DWORD_0) #define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \ - EFX_EXTRACT_DWORD( \ - *((efx_dword_t *) \ - (MCDI_ARRAY_PTR(_buf, _field1, _type, _index) + \ - (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _OFST & ~3))), \ - MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f, \ - (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f) + \ - MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _WIDTH - 1) + MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index), \ + _type ## _TYPEDEF, _field2) #define MCDI_EVENT_FIELD(_ev, _field) \ EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field) |