From 338f74df399d652788cf3bab247257ae90419c7d Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Wed, 10 Oct 2012 23:20:17 +0100 Subject: sfc: Add and use MCDI_SET_QWORD() and MCDI_SET_ARRAY_QWORD() No need to keep open-coding the assignment of high and low dwords. Signed-off-by: Ben Hutchings --- drivers/net/ethernet/sfc/mcdi.h | 23 ++++++++++++++++++++--- drivers/net/ethernet/sfc/mcdi_mon.c | 6 ++---- drivers/net/ethernet/sfc/ptp.c | 13 ++++--------- drivers/net/ethernet/sfc/siena_sriov.c | 21 ++++++++------------- 4 files changed, 34 insertions(+), 29 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 28657a186761..899f094dfb2a 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -88,9 +88,9 @@ extern void efx_mcdi_process_event(struct efx_channel *channel, extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); /* We expect that 16- and 32-bit fields in MCDI requests and responses - * are appropriately aligned. Also, on Siena we must copy to the MC - * shared memory strictly 32 bits at a time, so add any necessary - * padding. + * are appropriately aligned, but 64-bit fields are only + * 32-bit-aligned. Also, on Siena we must copy to the MC shared + * memory strictly 32 bits at a time, so add any necessary padding. */ #define MCDI_DECLARE_BUF(_name, _len) \ efx_dword_t _name[DIV_ROUND_UP(_len, 4)] @@ -107,6 +107,13 @@ extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value) #define MCDI_DWORD(_buf, _field) \ EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0) +#define MCDI_SET_QWORD(_buf, _field, _value) \ + do { \ + EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[0], \ + EFX_DWORD_0, (u32)(_value)); \ + EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[1], \ + EFX_DWORD_0, (u64)(_value) >> 32); \ + } while (0) #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) @@ -140,6 +147,16 @@ extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); 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_QWORD(_buf, _field, _index) \ + (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 8) + \ + (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) +#define MCDI_SET_ARRAY_QWORD(_buf, _field, _index, _value) \ + do { \ + EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[0],\ + EFX_DWORD_0, (u32)(_value)); \ + EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[1],\ + EFX_DWORD_0, (u64)(_value) >> 32); \ + } while (0) #define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \ MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index), \ _type ## _TYPEDEF, _field2) diff --git a/drivers/net/ethernet/sfc/mcdi_mon.c b/drivers/net/ethernet/sfc/mcdi_mon.c index 4e8a13854264..3179b2ba316e 100644 --- a/drivers/net/ethernet/sfc/mcdi_mon.c +++ b/drivers/net/ethernet/sfc/mcdi_mon.c @@ -95,10 +95,8 @@ static int efx_mcdi_mon_update(struct efx_nic *efx) MCDI_DECLARE_BUF(inbuf, MC_CMD_READ_SENSORS_IN_LEN); int rc; - MCDI_SET_DWORD(inbuf, READ_SENSORS_IN_DMA_ADDR_LO, - hwmon->dma_buf.dma_addr & 0xffffffff); - MCDI_SET_DWORD(inbuf, READ_SENSORS_IN_DMA_ADDR_HI, - (u64)hwmon->dma_buf.dma_addr >> 32); + MCDI_SET_QWORD(inbuf, READ_SENSORS_IN_DMA_ADDR, + hwmon->dma_buf.dma_addr); rc = efx_mcdi_rpc(efx, MC_CMD_READ_SENSORS, inbuf, sizeof(inbuf), NULL, 0, NULL); diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index 5612021d960a..d96bfc41c149 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -533,10 +533,8 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) MCDI_SET_DWORD(synch_buf, PTP_IN_OP, MC_CMD_PTP_OP_SYNCHRONIZE); MCDI_SET_DWORD(synch_buf, PTP_IN_SYNCHRONIZE_NUMTIMESETS, num_readings); - MCDI_SET_DWORD(synch_buf, PTP_IN_SYNCHRONIZE_START_ADDR_LO, - (u32)ptp->start.dma_addr); - MCDI_SET_DWORD(synch_buf, PTP_IN_SYNCHRONIZE_START_ADDR_HI, - (u32)((u64)ptp->start.dma_addr >> 32)); + MCDI_SET_QWORD(synch_buf, PTP_IN_SYNCHRONIZE_START_ADDR, + ptp->start.dma_addr); /* Clear flag that signals MC ready */ ACCESS_ONCE(*start) = 0; @@ -1378,9 +1376,7 @@ static int efx_phc_adjfreq(struct ptp_clock_info *ptp, s32 delta) (PPB_EXTRA_BITS + MAX_PPB_BITS)); MCDI_SET_DWORD(inadj, PTP_IN_OP, MC_CMD_PTP_OP_ADJUST); - MCDI_SET_DWORD(inadj, PTP_IN_ADJUST_FREQ_LO, (u32)adjustment_ns); - MCDI_SET_DWORD(inadj, PTP_IN_ADJUST_FREQ_HI, - (u32)(adjustment_ns >> 32)); + MCDI_SET_QWORD(inadj, PTP_IN_ADJUST_FREQ, adjustment_ns); MCDI_SET_DWORD(inadj, PTP_IN_ADJUST_SECONDS, 0); MCDI_SET_DWORD(inadj, PTP_IN_ADJUST_NANOSECONDS, 0); rc = efx_mcdi_rpc(efx, MC_CMD_PTP, inadj, sizeof(inadj), @@ -1402,8 +1398,7 @@ static int efx_phc_adjtime(struct ptp_clock_info *ptp, s64 delta) MCDI_DECLARE_BUF(inbuf, MC_CMD_PTP_IN_ADJUST_LEN); MCDI_SET_DWORD(inbuf, PTP_IN_OP, MC_CMD_PTP_OP_ADJUST); - MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_FREQ_LO, 0); - MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_FREQ_HI, 0); + MCDI_SET_QWORD(inbuf, PTP_IN_ADJUST_FREQ, 0); MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_SECONDS, (u32)delta_ts.tv_sec); MCDI_SET_DWORD(inbuf, PTP_IN_ADJUST_NANOSECONDS, (u32)delta_ts.tv_nsec); return efx_mcdi_rpc(efx, MC_CMD_PTP, inbuf, sizeof(inbuf), diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c index 198044f80a05..2587d308234a 100644 --- a/drivers/net/ethernet/sfc/siena_sriov.c +++ b/drivers/net/ethernet/sfc/siena_sriov.c @@ -243,7 +243,8 @@ static int efx_sriov_memcpy(struct efx_nic *efx, struct efx_memcpy_req *req, MCDI_DECLARE_BUF(inbuf, MCDI_CTL_SDU_LEN_MAX_V1); MCDI_DECLARE_STRUCT_PTR(record); unsigned int index, used; - u32 from_rid, from_hi, from_lo; + u64 from_addr; + u32 from_rid; int rc; mb(); /* Finish writing source/reading dest before DMA starts */ @@ -258,14 +259,11 @@ static int efx_sriov_memcpy(struct efx_nic *efx, struct efx_memcpy_req *req, count); MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_TO_RID, req->to_rid); - MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_TO_ADDR_LO, - (u32)req->to_addr); - MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_TO_ADDR_HI, - (u32)(req->to_addr >> 32)); + MCDI_SET_QWORD(record, MEMCPY_RECORD_TYPEDEF_TO_ADDR, + req->to_addr); if (req->from_buf == NULL) { from_rid = req->from_rid; - from_lo = (u32)req->from_addr; - from_hi = (u32)(req->from_addr >> 32); + from_addr = req->from_addr; } else { if (WARN_ON(used + req->length > MCDI_CTL_SDU_LEN_MAX_V1)) { @@ -274,18 +272,15 @@ static int efx_sriov_memcpy(struct efx_nic *efx, struct efx_memcpy_req *req, } from_rid = MC_CMD_MEMCPY_RECORD_TYPEDEF_RID_INLINE; - from_lo = used; - from_hi = 0; + from_addr = used; memcpy(_MCDI_PTR(inbuf, used), req->from_buf, req->length); used += req->length; } MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_FROM_RID, from_rid); - MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_FROM_ADDR_LO, - from_lo); - MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_FROM_ADDR_HI, - from_hi); + MCDI_SET_QWORD(record, MEMCPY_RECORD_TYPEDEF_FROM_ADDR, + from_addr); MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_LENGTH, req->length); -- cgit v1.2.3