diff options
| author |   Bryan Tan <bryantan@vmware.com> | 2017-08-22 23:19:00 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-08-24 17:34:57 -0400 |
| commit | 05297b66ad874f6b650498a39af5a4e353e5ba19 (patch) | |
| tree | 28605b9a9d295cf8d9b104b0f7b250b6dbad95e7 /drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h | |
| parent | IB/ipoib: Enable ioctl for to IPoIB rdma netdevs (diff) | |
| download | linux-dev-05297b66ad874f6b650498a39af5a4e353e5ba19.tar.xz linux-dev-05297b66ad874f6b650498a39af5a4e353e5ba19.zip | |
RDMA/vmw_pvrdma: Add RoCEv2 support
The driver version is bumped for compatibility purposes. Also, send correct
GID type during register to device. Added compatibility check macros for
the device.
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Reviewed-by: Aditya Sarwade <asarwade@vmware.com>
Signed-off-by: Bryan Tan <bryantan@vmware.com>
Signed-off-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h')
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h | 28 |
1 files changed, 27 insertions, 1 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..3a308ffe00bd 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 +131,24 @@ #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))) + enum pvrdma_pci_resource { PVRDMA_PCI_RESOURCE_MSIX, /* BAR0: MSI-X, MMIO. */ PVRDMA_PCI_RESOURCE_REG, /* BAR1: Registers, MMIO. */ |