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

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

diff --git a/drivers/common/sfc_efx/base/efx_impl.h b/drivers/common/sfc_efx/base/efx_impl.h
index eda41b4..71c8351 100644 (file)
--- a/drivers/common/sfc_efx/base/efx_impl.h
+++ b/drivers/common/sfc_efx/base/efx_impl.h
@@ -428,6 +428,25 @@ typedef struct efx_nic_ops_s {
 #define        EFX_RXQ_LIMIT_TARGET 512
 #endif
 
+typedef struct efx_nic_dma_region_s {
+       efsys_dma_addr_t        endr_nic_base;
+       efsys_dma_addr_t        endr_trgt_base;
+       unsigned int            endr_window_log2;
+       unsigned int            endr_align_log2;
+       boolean_t               endr_inuse;
+} efx_nic_dma_region_t;
+
+typedef struct efx_nic_dma_region_info_s {
+       unsigned int            endri_count;
+       efx_nic_dma_region_t    *endri_regions;
+} efx_nic_dma_region_info_t;
+
+typedef struct efx_nic_dma_s {
+       union {
+               /* No configuration in the case flat mapping type */
+               efx_nic_dma_region_info_t       endu_region_info;
+       } end_u;
+} efx_nic_dma_t;
 
 #if EFSYS_OPT_FILTER
 
@@ -859,6 +878,7 @@ struct efx_nic_s {
        const efx_rx_ops_t      *en_erxop;
        efx_fw_variant_t        efv;
        char                    en_drv_version[EFX_DRV_VER_MAX];
+       efx_nic_dma_t           en_dma;
 #if EFSYS_OPT_FILTER
        efx_filter_t            en_filter;
        const efx_filter_ops_t  *en_efop;