diff options
| author | Adit Ranadive <aditr@vmware.com> | 2019-01-26 08:09:36 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-01-30 07:40:28 +0300 |
| commit | 8aa04ad3b39396e315b23448c56d5465200fa777 (patch) | |
| tree | 2911abb356868169a1c56561e3e855225ba9d360 /drivers/infiniband/hw/vmw_pvrdma | |
| parent | 55c293c38efa4408920e3ff8135a85a0dc2e3f56 (diff) | |
| download | linux-8aa04ad3b39396e315b23448c56d5465200fa777.tar.xz | |
RDMA/vmw_pvrdma: Support upto 64-bit PFNs
Update the driver to use the new device capability to report 64-bit UAR
PFNs.
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma')
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c | 7 |
3 files changed, 21 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h index 6fd5a8f4e2f6..8f9749d54688 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h @@ -57,7 +57,8 @@ #define PVRDMA_ROCEV1_VERSION 17 #define PVRDMA_ROCEV2_VERSION 18 -#define PVRDMA_VERSION PVRDMA_ROCEV2_VERSION +#define PVRDMA_PPN64_VERSION 19 +#define PVRDMA_VERSION PVRDMA_PPN64_VERSION #define PVRDMA_BOARD_ID 1 #define PVRDMA_REV_ID 1 @@ -279,8 +280,10 @@ struct pvrdma_device_shared_region { /* W: Async ring page info. */ struct pvrdma_ring_page_info cq_ring_pages; /* W: CQ ring page info. */ - u32 uar_pfn; /* W: UAR pageframe. */ - u32 pad2; /* Pad to 8-byte align. */ + union { + u32 uar_pfn; /* W: UAR pageframe. */ + u64 uar_pfn64; /* W: 64-bit UAR page frame. */ + }; struct pvrdma_device_caps caps; /* R: Device capabilities. */ }; @@ -411,8 +414,10 @@ struct pvrdma_cmd_query_pkey_resp { struct pvrdma_cmd_create_uc { struct pvrdma_cmd_hdr hdr; - u32 pfn; /* UAR page frame number */ - u8 reserved[4]; + union { + u32 pfn; /* UAR page frame number */ + u64 pfn64; /* 64-bit UAR page frame number */ + }; }; struct pvrdma_cmd_create_uc_resp { diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index b5864750fb6e..a5f02276d903 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -905,7 +905,11 @@ static int pvrdma_pci_probe(struct pci_dev *pdev, PVRDMA_GOS_BITS_64; dev->dsr->gos_info.gos_type = PVRDMA_GOS_TYPE_LINUX; dev->dsr->gos_info.gos_ver = 1; - dev->dsr->uar_pfn = dev->driver_uar.pfn; + + if (dev->dsr_version < PVRDMA_PPN64_VERSION) + dev->dsr->uar_pfn = dev->driver_uar.pfn; + else + dev->dsr->uar_pfn64 = dev->driver_uar.pfn; /* Command slot. */ dev->cmd_slot = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c index e10149248ce2..fafb2add3b44 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c @@ -340,7 +340,12 @@ struct ib_ucontext *pvrdma_alloc_ucontext(struct ib_device *ibdev, /* get ctx_handle from host */ memset(cmd, 0, sizeof(*cmd)); - cmd->pfn = context->uar.pfn; + + if (vdev->dsr_version < PVRDMA_PPN64_VERSION) + cmd->pfn = context->uar.pfn; + else + cmd->pfn64 = context->uar.pfn; + cmd->hdr.cmd = PVRDMA_CMD_CREATE_UC; ret = pvrdma_cmd_post(vdev, &req, &rsp, PVRDMA_CMD_CREATE_UC_RESP); if (ret < 0) { |