diff options
Diffstat (limited to 'include/net/mana/gdma.h')
| -rw-r--r-- | include/net/mana/gdma.h | 65 |
1 files changed, 46 insertions, 19 deletions
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index 90f56656b572..3ce56a816425 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -60,6 +60,7 @@ enum gdma_eqe_type { GDMA_EQE_HWC_INIT_DONE = 131, GDMA_EQE_HWC_SOC_RECONFIG = 132, GDMA_EQE_HWC_SOC_RECONFIG_DATA = 133, + GDMA_EQE_HWC_SOC_SERVICE = 134, GDMA_EQE_RNIC_QP_FATAL = 176, }; @@ -70,6 +71,18 @@ enum { GDMA_DEVICE_MANA_IB = 3, }; +enum gdma_service_type { + GDMA_SERVICE_TYPE_NONE = 0, + GDMA_SERVICE_TYPE_RDMA_SUSPEND = 1, + GDMA_SERVICE_TYPE_RDMA_RESUME = 2, +}; + +struct mana_service_work { + struct work_struct work; + struct gdma_dev *gdma_dev; + enum gdma_service_type event; +}; + struct gdma_resource { /* Protect the bitmap */ spinlock_t lock; @@ -152,6 +165,7 @@ struct gdma_general_req { #define GDMA_MESSAGE_V1 1 #define GDMA_MESSAGE_V2 2 #define GDMA_MESSAGE_V3 3 +#define GDMA_MESSAGE_V4 4 struct gdma_general_resp { struct gdma_resp_hdr hdr; @@ -223,6 +237,8 @@ struct gdma_dev { void *driver_data; struct auxiliary_device *adev; + bool is_suspended; + bool rdma_teardown; }; /* MANA_PAGE_SIZE is the DMA unit */ @@ -406,9 +422,11 @@ struct gdma_context { /* Azure RDMA adapter */ struct gdma_dev mana_ib; -}; -#define MAX_NUM_GDMA_DEVICES 4 + u64 pf_cap_flags1; + + struct workqueue_struct *service_wq; +}; static inline bool mana_gd_is_mana(struct gdma_dev *gd) { @@ -554,13 +572,18 @@ enum { */ #define GDMA_DRV_CAP_FLAG_1_NAPI_WKDONE_FIX BIT(2) #define GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG BIT(3) +#define GDMA_DRV_CAP_FLAG_1_GDMA_PAGES_4MB_1GB_2GB BIT(4) #define GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT BIT(5) +/* Driver can handle holes (zeros) in the device list */ +#define GDMA_DRV_CAP_FLAG_1_DEV_LIST_HOLES_SUP BIT(11) + #define GDMA_DRV_CAP_FLAGS1 \ (GDMA_DRV_CAP_FLAG_1_EQ_SHARING_MULTI_VPORT | \ GDMA_DRV_CAP_FLAG_1_NAPI_WKDONE_FIX | \ GDMA_DRV_CAP_FLAG_1_HWC_TIMEOUT_RECONFIG | \ - GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT) + GDMA_DRV_CAP_FLAG_1_VARIABLE_INDIRECTION_TABLE_SUPPORT | \ + GDMA_DRV_CAP_FLAG_1_DEV_LIST_HOLES_SUP) #define GDMA_DRV_CAP_FLAGS2 0 @@ -621,11 +644,12 @@ struct gdma_query_max_resources_resp { }; /* HW DATA */ /* GDMA_LIST_DEVICES */ +#define GDMA_DEV_LIST_SIZE 64 struct gdma_list_devices_resp { struct gdma_resp_hdr hdr; u32 num_of_devs; u32 reserved; - struct gdma_dev_id devs[64]; + struct gdma_dev_id devs[GDMA_DEV_LIST_SIZE]; }; /* HW DATA */ /* GDMA_REGISTER_DEVICE */ @@ -703,20 +727,6 @@ struct gdma_query_hwc_timeout_resp { u32 reserved; }; -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), @@ -775,6 +785,7 @@ struct gdma_destroy_dma_region_req { enum gdma_pd_flags { GDMA_PD_FLAG_INVALID = 0, + GDMA_PD_FLAG_ALLOW_GPA_MR = 1, }; struct gdma_create_pd_req { @@ -800,11 +811,18 @@ struct gdma_destory_pd_resp { };/* HW DATA */ enum gdma_mr_type { + /* + * Guest Physical Address - MRs of this type allow access + * to any DMA-mapped memory using bus-logical address + */ + GDMA_MR_TYPE_GPA = 1, /* 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, + /* Guest zero-based address MRs */ + GDMA_MR_TYPE_ZBVA = 4, }; struct gdma_create_mr_params { @@ -816,6 +834,10 @@ struct gdma_create_mr_params { u64 virtual_address; enum gdma_mr_access_flags access_flags; } gva; + struct { + u64 dma_region_handle; + enum gdma_mr_access_flags access_flags; + } zbva; }; }; @@ -831,7 +853,10 @@ struct gdma_create_mr_request { u64 virtual_address; enum gdma_mr_access_flags access_flags; } gva; - + struct { + u64 dma_region_handle; + enum gdma_mr_access_flags access_flags; + } zbva; }; u32 reserved_2; };/* HW DATA */ @@ -883,4 +908,6 @@ int mana_gd_destroy_dma_region(struct gdma_context *gc, u64 dma_region_handle); void mana_register_debugfs(void); void mana_unregister_debugfs(void); +int mana_rdma_service_event(struct gdma_context *gc, enum gdma_service_type event); + #endif /* _GDMA_H */ |