From: Mustafa Ismail Date: Fri, 25 Feb 2022 16:32:10 +0000 (-0600) Subject: RDMA/irdma: Fix Passthrough mode in VM X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b200189626b5cefbaf8be9cadd7a28215e065bb9;p=linux.git RDMA/irdma: Fix Passthrough mode in VM Using PCI_FUNC macro in a VM, when the device is in passthrough mode does not provide the real function instance. This means that currently, devices will not probe unless the instance in the VM matches the instance in the host. Fix this by getting the pf_id from the LAN during the probe. Fixes: 8498a30e1b94 ("RDMA/irdma: Register auxiliary driver and implement private channel OPs") Link: https://lore.kernel.org/r/20220225163211.127-3-shiraz.saleem@intel.com Signed-off-by: Mustafa Ismail Signed-off-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 58cee86b4e358..3dc9b5801da15 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -1600,7 +1600,7 @@ static int irdma_initialize_dev(struct irdma_pci_f *rf) info.fpm_commit_buf = mem.va; info.bar0 = rf->hw.hw_addr; - info.hmc_fn_id = PCI_FUNC(rf->pcidev->devfn); + info.hmc_fn_id = rf->pf_id; info.hw = &rf->hw; status = irdma_sc_dev_init(rf->rdma_ver, &rf->sc_dev, &info); if (status) diff --git a/drivers/infiniband/hw/irdma/i40iw_if.c b/drivers/infiniband/hw/irdma/i40iw_if.c index 8b5bd773da5a9..4053ead324169 100644 --- a/drivers/infiniband/hw/irdma/i40iw_if.c +++ b/drivers/infiniband/hw/irdma/i40iw_if.c @@ -77,6 +77,7 @@ static void i40iw_fill_device_info(struct irdma_device *iwdev, struct i40e_info rf->rdma_ver = IRDMA_GEN_1; rf->gen_ops.request_reset = i40iw_request_reset; rf->pcidev = cdev_info->pcidev; + rf->pf_id = cdev_info->fid; rf->hw.hw_addr = cdev_info->hw_addr; rf->cdev = cdev_info; rf->msix_count = cdev_info->msix_count; diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c index babbe8ad5afa0..4f4c3454bc432 100644 --- a/drivers/infiniband/hw/irdma/main.c +++ b/drivers/infiniband/hw/irdma/main.c @@ -231,6 +231,7 @@ static void irdma_fill_device_info(struct irdma_device *iwdev, struct ice_pf *pf rf->hw.hw_addr = pf->hw.hw_addr; rf->pcidev = pf->pdev; rf->msix_count = pf->num_rdma_msix; + rf->pf_id = pf->hw.pf_id; rf->msix_entries = &pf->msix_entries[pf->rdma_base_vector]; rf->default_vsi.vsi_idx = vsi->vsi_num; rf->protocol_used = pf->rdma_mode & IIDC_RDMA_PROTOCOL_ROCEV2 ? diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h index 94c41f834c256..44365d1dc7b2d 100644 --- a/drivers/infiniband/hw/irdma/main.h +++ b/drivers/infiniband/hw/irdma/main.h @@ -256,6 +256,7 @@ struct irdma_pci_f { u8 *mem_rsrc; u8 rdma_ver; u8 rst_to; + u8 pf_id; enum irdma_protocol_used protocol_used; u32 sd_type; u32 msix_count;