summaryrefslogtreecommitdiff
path: root/drivers/vfio/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/vfio/pci')
-rw-r--r--drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c1
-rw-r--r--drivers/vfio/pci/mlx5/cmd.c4
-rw-r--r--drivers/vfio/pci/mlx5/main.c1
-rw-r--r--drivers/vfio/pci/nvgrace-gpu/main.c2
-rw-r--r--drivers/vfio/pci/pds/vfio_dev.c2
-rw-r--r--drivers/vfio/pci/qat/main.c5
-rw-r--r--drivers/vfio/pci/vfio_pci.c1
-rw-r--r--drivers/vfio/pci/vfio_pci_core.c31
-rw-r--r--drivers/vfio/pci/vfio_pci_igd.c3
-rw-r--r--drivers/vfio/pci/vfio_pci_intrs.c10
-rw-r--r--drivers/vfio/pci/virtio/main.c3
11 files changed, 37 insertions, 26 deletions
diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
index 2149f49aeec7..397f5e445136 100644
--- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
+++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
@@ -1583,6 +1583,7 @@ static const struct vfio_device_ops hisi_acc_vfio_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/mlx5/cmd.c b/drivers/vfio/pci/mlx5/cmd.c
index 5b919a0b2524..a92b095b90f6 100644
--- a/drivers/vfio/pci/mlx5/cmd.c
+++ b/drivers/vfio/pci/mlx5/cmd.c
@@ -1523,8 +1523,8 @@ int mlx5vf_start_page_tracker(struct vfio_device *vdev,
log_max_msg_size = MLX5_CAP_ADV_VIRTUALIZATION(mdev, pg_track_log_max_msg_size);
max_msg_size = (1ULL << log_max_msg_size);
/* The RQ must hold at least 4 WQEs/messages for successful QP creation */
- if (rq_size < 4 * max_msg_size)
- rq_size = 4 * max_msg_size;
+ if (rq_size < 4ULL * max_msg_size)
+ rq_size = 4ULL * max_msg_size;
memset(tracker, 0, sizeof(*tracker));
tracker->uar = mlx5_get_uars_page(mdev);
diff --git a/drivers/vfio/pci/mlx5/main.c b/drivers/vfio/pci/mlx5/main.c
index 93f894fe60d2..7ec47e736a8e 100644
--- a/drivers/vfio/pci/mlx5/main.c
+++ b/drivers/vfio/pci/mlx5/main.c
@@ -1372,6 +1372,7 @@ static const struct vfio_device_ops mlx5vf_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/nvgrace-gpu/main.c b/drivers/vfio/pci/nvgrace-gpu/main.c
index e5ac39c4cc6b..d95761dcdd58 100644
--- a/drivers/vfio/pci/nvgrace-gpu/main.c
+++ b/drivers/vfio/pci/nvgrace-gpu/main.c
@@ -696,6 +696,7 @@ static const struct vfio_device_ops nvgrace_gpu_pci_ops = {
.mmap = nvgrace_gpu_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -715,6 +716,7 @@ static const struct vfio_device_ops nvgrace_gpu_pci_core_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/pds/vfio_dev.c b/drivers/vfio/pci/pds/vfio_dev.c
index 76a80ae7087b..f3ccb0008f67 100644
--- a/drivers/vfio/pci/pds/vfio_dev.c
+++ b/drivers/vfio/pci/pds/vfio_dev.c
@@ -201,9 +201,11 @@ static const struct vfio_device_ops pds_vfio_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
+ .detach_ioas = vfio_iommufd_physical_detach_ioas,
};
const struct vfio_device_ops *pds_vfio_ops_info(void)
diff --git a/drivers/vfio/pci/qat/main.c b/drivers/vfio/pci/qat/main.c
index 845ed15b6771..a19b68043eb2 100644
--- a/drivers/vfio/pci/qat/main.c
+++ b/drivers/vfio/pci/qat/main.c
@@ -614,6 +614,7 @@ static const struct vfio_device_ops qat_vf_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -675,6 +676,8 @@ static const struct pci_device_id qat_vf_vfio_pci_table[] = {
{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4941) },
{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4943) },
{ PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4945) },
+ /* Intel QAT GEN6 6xxx VF device */
+ { PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_INTEL, 0x4949) },
{}
};
MODULE_DEVICE_TABLE(pci, qat_vf_vfio_pci_table);
@@ -696,5 +699,5 @@ module_pci_driver(qat_vf_vfio_pci_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Xin Zeng <xin.zeng@intel.com>");
-MODULE_DESCRIPTION("QAT VFIO PCI - VFIO PCI driver with live migration support for Intel(R) QAT GEN4 device family");
+MODULE_DESCRIPTION("QAT VFIO PCI - VFIO PCI driver with live migration support for Intel(R) QAT device family");
MODULE_IMPORT_NS("CRYPTO_QAT");
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 5ba39f7623bb..ac10f14417f2 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -138,6 +138,7 @@ static const struct vfio_device_ops vfio_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index 6328c3a05bcd..7dcf5439dedc 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -20,7 +20,6 @@
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/pci.h>
-#include <linux/pfn_t.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/types.h>
@@ -1669,14 +1668,12 @@ static vm_fault_t vfio_pci_mmap_huge_fault(struct vm_fault *vmf,
break;
#ifdef CONFIG_ARCH_SUPPORTS_PMD_PFNMAP
case PMD_ORDER:
- ret = vmf_insert_pfn_pmd(vmf,
- __pfn_to_pfn_t(pfn, PFN_DEV), false);
+ ret = vmf_insert_pfn_pmd(vmf, pfn, false);
break;
#endif
#ifdef CONFIG_ARCH_SUPPORTS_PUD_PFNMAP
case PUD_ORDER:
- ret = vmf_insert_pfn_pud(vmf,
- __pfn_to_pfn_t(pfn, PFN_DEV), false);
+ ret = vmf_insert_pfn_pud(vmf, pfn, false);
break;
#endif
default:
@@ -1821,9 +1818,13 @@ void vfio_pci_core_request(struct vfio_device *core_vdev, unsigned int count)
}
EXPORT_SYMBOL_GPL(vfio_pci_core_request);
-static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
- bool vf_token, uuid_t *uuid)
+int vfio_pci_core_match_token_uuid(struct vfio_device *core_vdev,
+ const uuid_t *uuid)
+
{
+ struct vfio_pci_core_device *vdev =
+ container_of(core_vdev, struct vfio_pci_core_device, vdev);
+
/*
* There's always some degree of trust or collaboration between SR-IOV
* PF and VFs, even if just that the PF hosts the SR-IOV capability and
@@ -1854,7 +1855,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
bool match;
if (!pf_vdev) {
- if (!vf_token)
+ if (!uuid)
return 0; /* PF is not vfio-pci, no VF token */
pci_info_ratelimited(vdev->pdev,
@@ -1862,7 +1863,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
return -EINVAL;
}
- if (!vf_token) {
+ if (!uuid) {
pci_info_ratelimited(vdev->pdev,
"VF token required to access device\n");
return -EACCES;
@@ -1880,7 +1881,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
} else if (vdev->vf_token) {
mutex_lock(&vdev->vf_token->lock);
if (vdev->vf_token->users) {
- if (!vf_token) {
+ if (!uuid) {
mutex_unlock(&vdev->vf_token->lock);
pci_info_ratelimited(vdev->pdev,
"VF token required to access device\n");
@@ -1893,12 +1894,12 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
"Incorrect VF token provided for device\n");
return -EACCES;
}
- } else if (vf_token) {
+ } else if (uuid) {
uuid_copy(&vdev->vf_token->uuid, uuid);
}
mutex_unlock(&vdev->vf_token->lock);
- } else if (vf_token) {
+ } else if (uuid) {
pci_info_ratelimited(vdev->pdev,
"VF token incorrectly provided, not a PF or VF\n");
return -EINVAL;
@@ -1906,6 +1907,7 @@ static int vfio_pci_validate_vf_token(struct vfio_pci_core_device *vdev,
return 0;
}
+EXPORT_SYMBOL_GPL(vfio_pci_core_match_token_uuid);
#define VF_TOKEN_ARG "vf_token="
@@ -1952,7 +1954,8 @@ int vfio_pci_core_match(struct vfio_device *core_vdev, char *buf)
}
}
- ret = vfio_pci_validate_vf_token(vdev, vf_token, &uuid);
+ ret = core_vdev->ops->match_token_uuid(core_vdev,
+ vf_token ? &uuid : NULL);
if (ret)
return ret;
@@ -2149,7 +2152,7 @@ int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev)
return -EBUSY;
}
- if (pci_is_root_bus(pdev->bus)) {
+ if (pci_is_root_bus(pdev->bus) || pdev->is_virtfn) {
ret = vfio_assign_device_set(&vdev->vdev, vdev);
} else if (!pci_probe_reset_slot(pdev->slot)) {
ret = vfio_assign_device_set(&vdev->vdev, pdev->slot);
diff --git a/drivers/vfio/pci/vfio_pci_igd.c b/drivers/vfio/pci/vfio_pci_igd.c
index ef490a4545f4..988b6919c2c3 100644
--- a/drivers/vfio/pci/vfio_pci_igd.c
+++ b/drivers/vfio/pci/vfio_pci_igd.c
@@ -437,8 +437,7 @@ static int vfio_pci_igd_cfg_init(struct vfio_pci_core_device *vdev)
bool vfio_pci_is_intel_display(struct pci_dev *pdev)
{
- return (pdev->vendor == PCI_VENDOR_ID_INTEL) &&
- ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY);
+ return (pdev->vendor == PCI_VENDOR_ID_INTEL) && pci_is_display(pdev);
}
int vfio_pci_igd_init(struct vfio_pci_core_device *vdev)
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index 565966351dfa..123298a4dc8f 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -505,15 +505,11 @@ static int vfio_msi_set_vector_signal(struct vfio_pci_core_device *vdev,
if (ret)
goto out_put_eventfd_ctx;
- ctx->producer.token = trigger;
- ctx->producer.irq = irq;
- ret = irq_bypass_register_producer(&ctx->producer);
+ ret = irq_bypass_register_producer(&ctx->producer, trigger, irq);
if (unlikely(ret)) {
dev_info(&pdev->dev,
- "irq bypass producer (token %p) registration fails: %d\n",
- ctx->producer.token, ret);
-
- ctx->producer.token = NULL;
+ "irq bypass producer (eventfd %p) registration fails: %d\n",
+ trigger, ret);
}
ctx->trigger = trigger;
diff --git a/drivers/vfio/pci/virtio/main.c b/drivers/vfio/pci/virtio/main.c
index 515fe1b9f94d..8084f3e36a9f 100644
--- a/drivers/vfio/pci/virtio/main.c
+++ b/drivers/vfio/pci/virtio/main.c
@@ -94,6 +94,7 @@ static const struct vfio_device_ops virtiovf_vfio_pci_lm_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -114,6 +115,7 @@ static const struct vfio_device_ops virtiovf_vfio_pci_tran_lm_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
@@ -134,6 +136,7 @@ static const struct vfio_device_ops virtiovf_vfio_pci_ops = {
.mmap = vfio_pci_core_mmap,
.request = vfio_pci_core_request,
.match = vfio_pci_core_match,
+ .match_token_uuid = vfio_pci_core_match_token_uuid,
.bind_iommufd = vfio_iommufd_physical_bind,
.unbind_iommufd = vfio_iommufd_physical_unbind,
.attach_ioas = vfio_iommufd_physical_attach_ioas,
generated by cgit (git 2.34.1) at 2025-08-07 13:45:18 +0000