diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/io.h')
-rw-r--r-- | drivers/net/ethernet/sfc/io.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sfc/io.h b/drivers/net/ethernet/sfc/io.h index afb94aa2c15e..89563170af52 100644 --- a/drivers/net/ethernet/sfc/io.h +++ b/drivers/net/ethernet/sfc/io.h @@ -222,18 +222,21 @@ static inline void efx_reado_table(struct efx_nic *efx, efx_oword_t *value, efx_reado(efx, value, reg + index * sizeof(efx_oword_t)); } -/* Page size used as step between per-VI registers */ -#define EFX_VI_PAGE_SIZE 0x2000 +/* default VI stride (step between per-VI registers) is 8K */ +#define EFX_DEFAULT_VI_STRIDE 0x2000 /* Calculate offset to page-mapped register */ -#define EFX_PAGED_REG(page, reg) \ - ((page) * EFX_VI_PAGE_SIZE + (reg)) +static inline unsigned int efx_paged_reg(struct efx_nic *efx, unsigned int page, + unsigned int reg) +{ + return page * efx->vi_stride + reg; +} /* Write the whole of RX_DESC_UPD or TX_DESC_UPD */ static inline void _efx_writeo_page(struct efx_nic *efx, efx_oword_t *value, unsigned int reg, unsigned int page) { - reg = EFX_PAGED_REG(page, reg); + reg = efx_paged_reg(efx, page, reg); netif_vdbg(efx, hw, efx->net_dev, "writing register %x with " EFX_OWORD_FMT "\n", reg, @@ -262,7 +265,7 @@ static inline void _efx_writed_page(struct efx_nic *efx, const efx_dword_t *value, unsigned int reg, unsigned int page) { - efx_writed(efx, value, EFX_PAGED_REG(page, reg)); + efx_writed(efx, value, efx_paged_reg(efx, page, reg)); } #define efx_writed_page(efx, value, reg, page) \ _efx_writed_page(efx, value, \ @@ -288,10 +291,10 @@ static inline void _efx_writed_page_locked(struct efx_nic *efx, if (page == 0) { spin_lock_irqsave(&efx->biu_lock, flags); - efx_writed(efx, value, EFX_PAGED_REG(page, reg)); + efx_writed(efx, value, efx_paged_reg(efx, page, reg)); spin_unlock_irqrestore(&efx->biu_lock, flags); } else { - efx_writed(efx, value, EFX_PAGED_REG(page, reg)); + efx_writed(efx, value, efx_paged_reg(efx, page, reg)); } } #define efx_writed_page_locked(efx, value, reg, page) \ |