diff options
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h')
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h index 09078ccfaec7..df0a6b525021 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h @@ -50,7 +50,15 @@ #include "pvrdma_verbs.h" -#define PVRDMA_VERSION 17 +/* + * PVRDMA version macros. Some new features require updates to PVRDMA_VERSION. + * These macros allow us to check for different features if necessary. + */ + +#define PVRDMA_ROCEV1_VERSION 17 +#define PVRDMA_ROCEV2_VERSION 18 +#define PVRDMA_VERSION PVRDMA_ROCEV2_VERSION + #define PVRDMA_BOARD_ID 1 #define PVRDMA_REV_ID 1 @@ -123,6 +131,31 @@ #define PVRDMA_GID_TYPE_FLAG_ROCE_V1 BIT(0) #define PVRDMA_GID_TYPE_FLAG_ROCE_V2 BIT(1) +/* + * Version checks. This checks whether each version supports specific + * capabilities from the device. + */ + +#define PVRDMA_IS_VERSION17(_dev) \ + (_dev->dsr_version == PVRDMA_ROCEV1_VERSION && \ + _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1) + +#define PVRDMA_IS_VERSION18(_dev) \ + (_dev->dsr_version >= PVRDMA_ROCEV2_VERSION && \ + (_dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V1 || \ + _dev->dsr->caps.gid_types == PVRDMA_GID_TYPE_FLAG_ROCE_V2)) \ + +#define PVRDMA_SUPPORTED(_dev) \ + ((_dev->dsr->caps.mode == PVRDMA_DEVICE_MODE_ROCE) && \ + (PVRDMA_IS_VERSION17(_dev) || PVRDMA_IS_VERSION18(_dev))) + +/* + * Get capability values based on device version. + */ + +#define PVRDMA_GET_CAP(_dev, _old_val, _val) \ + ((PVRDMA_IS_VERSION18(_dev)) ? _val : _old_val) + enum pvrdma_pci_resource { PVRDMA_PCI_RESOURCE_MSIX, /* BAR0: MSI-X, MMIO. */ PVRDMA_PCI_RESOURCE_REG, /* BAR1: Registers, MMIO. */ @@ -225,7 +258,7 @@ struct pvrdma_device_caps { u8 atomic_ops; /* PVRDMA_ATOMIC_OP_* bits */ u8 bmme_flags; /* FRWR Mem Mgmt Extensions */ u8 gid_types; /* PVRDMA_GID_TYPE_FLAG_ */ - u8 reserved[4]; + u32 max_fast_reg_page_list_len; }; struct pvrdma_ring_page_info { |