diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/mana/gdma.h | 121 |
1 files changed, 116 insertions, 5 deletions
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index 055408a5baf3..221adc96340c 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -29,6 +29,10 @@ enum gdma_request_type { GDMA_CREATE_DMA_REGION = 25, GDMA_DMA_REGION_ADD_PAGES = 26, GDMA_DESTROY_DMA_REGION = 27, + GDMA_CREATE_PD = 29, + GDMA_DESTROY_PD = 30, + GDMA_CREATE_MR = 31, + GDMA_DESTROY_MR = 32, }; #define GDMA_RESOURCE_DOORBELL_PAGE 27 @@ -61,6 +65,8 @@ enum { GDMA_DEVICE_MANA = 2, }; +typedef u64 gdma_obj_handle_t; + struct gdma_resource { /* Protect the bitmap */ spinlock_t lock; @@ -194,7 +200,7 @@ struct gdma_mem_info { u64 length; /* Allocated by the PF driver */ - u64 gdma_region; + gdma_obj_handle_t dma_region_handle; }; #define REGISTER_ATB_MST_MKEY_LOWER_SIZE 8 @@ -618,7 +624,7 @@ struct gdma_create_queue_req { u32 reserved1; u32 pdid; u32 doolbell_id; - u64 gdma_region; + gdma_obj_handle_t gdma_region; u32 reserved2; u32 queue_size; u32 log2_throttle_limit; @@ -645,6 +651,28 @@ struct gdma_disable_queue_req { u32 alloc_res_id_on_creation; }; /* HW DATA */ +enum atb_page_size { + ATB_PAGE_SIZE_4K, + ATB_PAGE_SIZE_8K, + ATB_PAGE_SIZE_16K, + ATB_PAGE_SIZE_32K, + ATB_PAGE_SIZE_64K, + ATB_PAGE_SIZE_128K, + ATB_PAGE_SIZE_256K, + ATB_PAGE_SIZE_512K, + ATB_PAGE_SIZE_1M, + ATB_PAGE_SIZE_2M, + ATB_PAGE_SIZE_MAX, +}; + +enum gdma_mr_access_flags { + GDMA_ACCESS_FLAG_LOCAL_READ = BIT_ULL(0), + GDMA_ACCESS_FLAG_LOCAL_WRITE = BIT_ULL(1), + GDMA_ACCESS_FLAG_REMOTE_READ = BIT_ULL(2), + GDMA_ACCESS_FLAG_REMOTE_WRITE = BIT_ULL(3), + GDMA_ACCESS_FLAG_REMOTE_ATOMIC = BIT_ULL(4), +}; + /* GDMA_CREATE_DMA_REGION */ struct gdma_create_dma_region_req { struct gdma_req_hdr hdr; @@ -671,14 +699,14 @@ struct gdma_create_dma_region_req { struct gdma_create_dma_region_resp { struct gdma_resp_hdr hdr; - u64 gdma_region; + gdma_obj_handle_t dma_region_handle; }; /* HW DATA */ /* GDMA_DMA_REGION_ADD_PAGES */ struct gdma_dma_region_add_pages_req { struct gdma_req_hdr hdr; - u64 gdma_region; + gdma_obj_handle_t dma_region_handle; u32 page_addr_list_len; u32 reserved3; @@ -690,9 +718,88 @@ struct gdma_dma_region_add_pages_req { struct gdma_destroy_dma_region_req { struct gdma_req_hdr hdr; - u64 gdma_region; + gdma_obj_handle_t dma_region_handle; }; /* HW DATA */ +enum gdma_pd_flags { + GDMA_PD_FLAG_INVALID = 0, +}; + +struct gdma_create_pd_req { + struct gdma_req_hdr hdr; + enum gdma_pd_flags flags; + u32 reserved; +};/* HW DATA */ + +struct gdma_create_pd_resp { + struct gdma_resp_hdr hdr; + gdma_obj_handle_t pd_handle; + u32 pd_id; + u32 reserved; +};/* HW DATA */ + +struct gdma_destroy_pd_req { + struct gdma_req_hdr hdr; + gdma_obj_handle_t pd_handle; +};/* HW DATA */ + +struct gdma_destory_pd_resp { + struct gdma_resp_hdr hdr; +};/* HW DATA */ + +enum gdma_mr_type { + /* Guest Virtual Address - MRs of this type allow access + * to memory mapped by PTEs associated with this MR using a virtual + * address that is set up in the MST + */ + GDMA_MR_TYPE_GVA = 2, +}; + +struct gdma_create_mr_params { + gdma_obj_handle_t pd_handle; + enum gdma_mr_type mr_type; + union { + struct { + gdma_obj_handle_t dma_region_handle; + u64 virtual_address; + enum gdma_mr_access_flags access_flags; + } gva; + }; +}; + +struct gdma_create_mr_request { + struct gdma_req_hdr hdr; + gdma_obj_handle_t pd_handle; + enum gdma_mr_type mr_type; + u32 reserved_1; + + union { + struct { + gdma_obj_handle_t dma_region_handle; + u64 virtual_address; + enum gdma_mr_access_flags access_flags; + } gva; + + }; + u32 reserved_2; +};/* HW DATA */ + +struct gdma_create_mr_response { + struct gdma_resp_hdr hdr; + gdma_obj_handle_t mr_handle; + u32 lkey; + u32 rkey; +};/* HW DATA */ + +struct gdma_destroy_mr_request { + struct gdma_req_hdr hdr; + gdma_obj_handle_t mr_handle; +};/* HW DATA */ + +struct gdma_destroy_mr_response { + struct gdma_resp_hdr hdr; +};/* HW DATA */ + int mana_gd_verify_vf_version(struct pci_dev *pdev); int mana_gd_register_device(struct gdma_dev *gd); @@ -719,4 +826,8 @@ void mana_gd_free_memory(struct gdma_mem_info *gmi); int mana_gd_send_request(struct gdma_context *gc, u32 req_len, const void *req, u32 resp_len, void *resp); + +int mana_gd_destroy_dma_region(struct gdma_context *gc, + gdma_obj_handle_t dma_region_handle); + #endif /* _GDMA_H */ |