common/sfc_efx/base: support NIC DMA memory regions API

[dpdk.git] / drivers / common / sfc_efx / base / efx.h

diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index f08a004..4d3210f 100644 (file)
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -1444,6 +1444,14 @@ typedef enum efx_vi_window_shift_e {
        EFX_VI_WINDOW_SHIFT_64K = 16,
 } efx_vi_window_shift_t;
 
+typedef enum efx_nic_dma_mapping_e {
+       EFX_NIC_DMA_MAPPING_UNKNOWN = 0,
+       EFX_NIC_DMA_MAPPING_FLAT,
+       EFX_NIC_DMA_MAPPING_REGIONED,
+
+       EFX_NIC_DMA_MAPPING_NTYPES
+} efx_nic_dma_mapping_t;
+
 typedef struct efx_nic_cfg_s {
        uint32_t                enc_board_type;
        uint32_t                enc_phy_type;
@@ -1633,6 +1641,8 @@ typedef struct efx_nic_cfg_s {
        uint32_t                enc_filter_action_mark_max;
        /* Port assigned to this PCI function */
        uint32_t                enc_assigned_port;
+       /* NIC DMA mapping type */
+       efx_nic_dma_mapping_t   enc_dma_mapping;
 } efx_nic_cfg_t;
 
 #define        EFX_PCI_VF_INVALID 0xffff
@@ -4897,6 +4907,42 @@ efx_virtio_verify_features(
 
 #endif /* EFSYS_OPT_VIRTIO */
 
+LIBEFX_API
+extern  __checkReturn  efx_rc_t
+efx_nic_dma_config_add(
+       __in            efx_nic_t *enp,
+       __in            efsys_dma_addr_t trgt_addr,
+       __in            size_t len,
+       __out_opt       efsys_dma_addr_t *nic_basep,
+       __out_opt       efsys_dma_addr_t *trgt_basep,
+       __out_opt       size_t *map_lenp);
+
+LIBEFX_API
+extern  __checkReturn  efx_rc_t
+efx_nic_dma_reconfigure(
+       __in            efx_nic_t *enp);
+
+typedef enum efx_nic_dma_addr_type_e {
+       EFX_NIC_DMA_ADDR_MCDI_BUF,
+       EFX_NIC_DMA_ADDR_MAC_STATS_BUF,
+       EFX_NIC_DMA_ADDR_EVENT_RING,
+       EFX_NIC_DMA_ADDR_RX_RING,
+       EFX_NIC_DMA_ADDR_TX_RING,
+       EFX_NIC_DMA_ADDR_RX_BUF,
+       EFX_NIC_DMA_ADDR_TX_BUF,
+
+       EFX_NIC_DMA_ADDR_NTYPES
+} efx_nic_dma_addr_type_t;
+
+LIBEFX_API
+extern __checkReturn   efx_rc_t
+efx_nic_dma_map(
+       __in            efx_nic_t *enp,
+       __in            efx_nic_dma_addr_type_t addr_type,
+       __in            efsys_dma_addr_t tgt_addr,
+       __in            size_t len,
+       __out           efsys_dma_addr_t *nic_addrp);
+
 #ifdef __cplusplus
 }
 #endif