From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/pci/controller/vmd.c | 481 ++++++++++++++++++++++++-----------------------------
1 files changed, 216 insertions(+), 265 deletions(-)
diff --git a/kernel/drivers/pci/controller/vmd.c b/kernel/drivers/pci/controller/vmd.c
index 3d1b004..f375c21 100644
--- a/kernel/drivers/pci/controller/vmd.c
+++ b/kernel/drivers/pci/controller/vmd.c
@@ -40,13 +40,19 @@
* membars, in order to allow proper address translation during
* resource assignment to enable guest virtualization
*/
- VMD_FEAT_HAS_MEMBAR_SHADOW = (1 << 0),
+ VMD_FEAT_HAS_MEMBAR_SHADOW = (1 << 0),
/*
* Device may provide root port configuration information which limits
* bus numbering
*/
- VMD_FEAT_HAS_BUS_RESTRICTIONS = (1 << 1),
+ VMD_FEAT_HAS_BUS_RESTRICTIONS = (1 << 1),
+
+ /*
+ * Device contains physical location shadow registers in
+ * vendor-specific capability space
+ */
+ VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP = (1 << 2),
};
/*
@@ -98,11 +104,6 @@
struct irq_domain *irq_domain;
struct pci_bus *bus;
u8 busn_start;
-
-#ifdef CONFIG_X86_DEV_DMA_OPS
- struct dma_map_ops dma_ops;
- struct dma_domain dma_domain;
-#endif
};
static inline struct vmd_dev *vmd_from_bus(struct pci_bus *bus)
@@ -297,173 +298,32 @@
.chip = &vmd_msi_controller,
};
-#ifdef CONFIG_X86_DEV_DMA_OPS
-/*
- * VMD replaces the requester ID with its own. DMA mappings for devices in a
- * VMD domain need to be mapped for the VMD, not the device requiring
- * the mapping.
- */
-static struct device *to_vmd_dev(struct device *dev)
+static int vmd_create_irq_domain(struct vmd_dev *vmd)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct vmd_dev *vmd = vmd_from_bus(pdev->bus);
+ struct fwnode_handle *fn;
- return &vmd->dev->dev;
+ fn = irq_domain_alloc_named_id_fwnode("VMD-MSI", vmd->sysdata.domain);
+ if (!fn)
+ return -ENODEV;
+
+ vmd->irq_domain = pci_msi_create_irq_domain(fn, &vmd_msi_domain_info, NULL);
+ if (!vmd->irq_domain) {
+ irq_domain_free_fwnode(fn);
+ return -ENODEV;
+ }
+
+ return 0;
}
-static const struct dma_map_ops *vmd_dma_ops(struct device *dev)
+static void vmd_remove_irq_domain(struct vmd_dev *vmd)
{
- return get_dma_ops(to_vmd_dev(dev));
+ if (vmd->irq_domain) {
+ struct fwnode_handle *fn = vmd->irq_domain->fwnode;
+
+ irq_domain_remove(vmd->irq_domain);
+ irq_domain_free_fwnode(fn);
+ }
}
-
-static void *vmd_alloc(struct device *dev, size_t size, dma_addr_t *addr,
- gfp_t flag, unsigned long attrs)
-{
- return vmd_dma_ops(dev)->alloc(to_vmd_dev(dev), size, addr, flag,
- attrs);
-}
-
-static void vmd_free(struct device *dev, size_t size, void *vaddr,
- dma_addr_t addr, unsigned long attrs)
-{
- return vmd_dma_ops(dev)->free(to_vmd_dev(dev), size, vaddr, addr,
- attrs);
-}
-
-static int vmd_mmap(struct device *dev, struct vm_area_struct *vma,
- void *cpu_addr, dma_addr_t addr, size_t size,
- unsigned long attrs)
-{
- return vmd_dma_ops(dev)->mmap(to_vmd_dev(dev), vma, cpu_addr, addr,
- size, attrs);
-}
-
-static int vmd_get_sgtable(struct device *dev, struct sg_table *sgt,
- void *cpu_addr, dma_addr_t addr, size_t size,
- unsigned long attrs)
-{
- return vmd_dma_ops(dev)->get_sgtable(to_vmd_dev(dev), sgt, cpu_addr,
- addr, size, attrs);
-}
-
-static dma_addr_t vmd_map_page(struct device *dev, struct page *page,
- unsigned long offset, size_t size,
- enum dma_data_direction dir,
- unsigned long attrs)
-{
- return vmd_dma_ops(dev)->map_page(to_vmd_dev(dev), page, offset, size,
- dir, attrs);
-}
-
-static void vmd_unmap_page(struct device *dev, dma_addr_t addr, size_t size,
- enum dma_data_direction dir, unsigned long attrs)
-{
- vmd_dma_ops(dev)->unmap_page(to_vmd_dev(dev), addr, size, dir, attrs);
-}
-
-static int vmd_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction dir, unsigned long attrs)
-{
- return vmd_dma_ops(dev)->map_sg(to_vmd_dev(dev), sg, nents, dir, attrs);
-}
-
-static void vmd_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction dir, unsigned long attrs)
-{
- vmd_dma_ops(dev)->unmap_sg(to_vmd_dev(dev), sg, nents, dir, attrs);
-}
-
-static void vmd_sync_single_for_cpu(struct device *dev, dma_addr_t addr,
- size_t size, enum dma_data_direction dir)
-{
- vmd_dma_ops(dev)->sync_single_for_cpu(to_vmd_dev(dev), addr, size, dir);
-}
-
-static void vmd_sync_single_for_device(struct device *dev, dma_addr_t addr,
- size_t size, enum dma_data_direction dir)
-{
- vmd_dma_ops(dev)->sync_single_for_device(to_vmd_dev(dev), addr, size,
- dir);
-}
-
-static void vmd_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction dir)
-{
- vmd_dma_ops(dev)->sync_sg_for_cpu(to_vmd_dev(dev), sg, nents, dir);
-}
-
-static void vmd_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
- int nents, enum dma_data_direction dir)
-{
- vmd_dma_ops(dev)->sync_sg_for_device(to_vmd_dev(dev), sg, nents, dir);
-}
-
-static int vmd_mapping_error(struct device *dev, dma_addr_t addr)
-{
- return vmd_dma_ops(dev)->mapping_error(to_vmd_dev(dev), addr);
-}
-
-static int vmd_dma_supported(struct device *dev, u64 mask)
-{
- return vmd_dma_ops(dev)->dma_supported(to_vmd_dev(dev), mask);
-}
-
-#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
-static u64 vmd_get_required_mask(struct device *dev)
-{
- return vmd_dma_ops(dev)->get_required_mask(to_vmd_dev(dev));
-}
-#endif
-
-static void vmd_teardown_dma_ops(struct vmd_dev *vmd)
-{
- struct dma_domain *domain = &vmd->dma_domain;
-
- if (get_dma_ops(&vmd->dev->dev))
- del_dma_domain(domain);
-}
-
-#define ASSIGN_VMD_DMA_OPS(source, dest, fn) \
- do { \
- if (source->fn) \
- dest->fn = vmd_##fn; \
- } while (0)
-
-static void vmd_setup_dma_ops(struct vmd_dev *vmd)
-{
- const struct dma_map_ops *source = get_dma_ops(&vmd->dev->dev);
- struct dma_map_ops *dest = &vmd->dma_ops;
- struct dma_domain *domain = &vmd->dma_domain;
-
- domain->domain_nr = vmd->sysdata.domain;
- domain->dma_ops = dest;
-
- if (!source)
- return;
- ASSIGN_VMD_DMA_OPS(source, dest, alloc);
- ASSIGN_VMD_DMA_OPS(source, dest, free);
- ASSIGN_VMD_DMA_OPS(source, dest, mmap);
- ASSIGN_VMD_DMA_OPS(source, dest, get_sgtable);
- ASSIGN_VMD_DMA_OPS(source, dest, map_page);
- ASSIGN_VMD_DMA_OPS(source, dest, unmap_page);
- ASSIGN_VMD_DMA_OPS(source, dest, map_sg);
- ASSIGN_VMD_DMA_OPS(source, dest, unmap_sg);
- ASSIGN_VMD_DMA_OPS(source, dest, sync_single_for_cpu);
- ASSIGN_VMD_DMA_OPS(source, dest, sync_single_for_device);
- ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_cpu);
- ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_device);
- ASSIGN_VMD_DMA_OPS(source, dest, mapping_error);
- ASSIGN_VMD_DMA_OPS(source, dest, dma_supported);
-#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
- ASSIGN_VMD_DMA_OPS(source, dest, get_required_mask);
-#endif
- add_dma_domain(domain);
-}
-#undef ASSIGN_VMD_DMA_OPS
-#else
-static void vmd_teardown_dma_ops(struct vmd_dev *vmd) {}
-static void vmd_setup_dma_ops(struct vmd_dev *vmd) {}
-#endif
static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus,
unsigned int devfn, int reg, int len)
@@ -584,16 +444,149 @@
return domain + 1;
}
+static int vmd_get_phys_offsets(struct vmd_dev *vmd, bool native_hint,
+ resource_size_t *offset1,
+ resource_size_t *offset2)
+{
+ struct pci_dev *dev = vmd->dev;
+ u64 phys1, phys2;
+
+ if (native_hint) {
+ u32 vmlock;
+ int ret;
+
+ ret = pci_read_config_dword(dev, PCI_REG_VMLOCK, &vmlock);
+ if (ret || vmlock == ~0)
+ return -ENODEV;
+
+ if (MB2_SHADOW_EN(vmlock)) {
+ void __iomem *membar2;
+
+ membar2 = pci_iomap(dev, VMD_MEMBAR2, 0);
+ if (!membar2)
+ return -ENOMEM;
+ phys1 = readq(membar2 + MB2_SHADOW_OFFSET);
+ phys2 = readq(membar2 + MB2_SHADOW_OFFSET + 8);
+ pci_iounmap(dev, membar2);
+ } else
+ return 0;
+ } else {
+ /* Hypervisor-Emulated Vendor-Specific Capability */
+ int pos = pci_find_capability(dev, PCI_CAP_ID_VNDR);
+ u32 reg, regu;
+
+ pci_read_config_dword(dev, pos + 4, ®);
+
+ /* "SHDW" */
+ if (pos && reg == 0x53484457) {
+ pci_read_config_dword(dev, pos + 8, ®);
+ pci_read_config_dword(dev, pos + 12, ®u);
+ phys1 = (u64) regu << 32 | reg;
+
+ pci_read_config_dword(dev, pos + 16, ®);
+ pci_read_config_dword(dev, pos + 20, ®u);
+ phys2 = (u64) regu << 32 | reg;
+ } else
+ return 0;
+ }
+
+ *offset1 = dev->resource[VMD_MEMBAR1].start -
+ (phys1 & PCI_BASE_ADDRESS_MEM_MASK);
+ *offset2 = dev->resource[VMD_MEMBAR2].start -
+ (phys2 & PCI_BASE_ADDRESS_MEM_MASK);
+
+ return 0;
+}
+
+static int vmd_get_bus_number_start(struct vmd_dev *vmd)
+{
+ struct pci_dev *dev = vmd->dev;
+ u16 reg;
+
+ pci_read_config_word(dev, PCI_REG_VMCAP, ®);
+ if (BUS_RESTRICT_CAP(reg)) {
+ pci_read_config_word(dev, PCI_REG_VMCONFIG, ®);
+
+ switch (BUS_RESTRICT_CFG(reg)) {
+ case 0:
+ vmd->busn_start = 0;
+ break;
+ case 1:
+ vmd->busn_start = 128;
+ break;
+ case 2:
+ vmd->busn_start = 224;
+ break;
+ default:
+ pci_err(dev, "Unknown Bus Offset Setting (%d)\n",
+ BUS_RESTRICT_CFG(reg));
+ return -ENODEV;
+ }
+ }
+
+ return 0;
+}
+
+static irqreturn_t vmd_irq(int irq, void *data)
+{
+ struct vmd_irq_list *irqs = data;
+ struct vmd_irq *vmdirq;
+ int idx;
+
+ idx = srcu_read_lock(&irqs->srcu);
+ list_for_each_entry_rcu(vmdirq, &irqs->irq_list, node)
+ generic_handle_irq(vmdirq->virq);
+ srcu_read_unlock(&irqs->srcu, idx);
+
+ return IRQ_HANDLED;
+}
+
+static int vmd_alloc_irqs(struct vmd_dev *vmd)
+{
+ struct pci_dev *dev = vmd->dev;
+ int i, err;
+
+ vmd->msix_count = pci_msix_vec_count(dev);
+ if (vmd->msix_count < 0)
+ return -ENODEV;
+
+ vmd->msix_count = pci_alloc_irq_vectors(dev, 1, vmd->msix_count,
+ PCI_IRQ_MSIX);
+ if (vmd->msix_count < 0)
+ return vmd->msix_count;
+
+ vmd->irqs = devm_kcalloc(&dev->dev, vmd->msix_count, sizeof(*vmd->irqs),
+ GFP_KERNEL);
+ if (!vmd->irqs)
+ return -ENOMEM;
+
+ for (i = 0; i < vmd->msix_count; i++) {
+ err = init_srcu_struct(&vmd->irqs[i].srcu);
+ if (err)
+ return err;
+
+ INIT_LIST_HEAD(&vmd->irqs[i].irq_list);
+ err = devm_request_irq(&dev->dev, pci_irq_vector(dev, i),
+ vmd_irq, IRQF_NO_THREAD,
+ "vmd", &vmd->irqs[i]);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
{
struct pci_sysdata *sd = &vmd->sysdata;
- struct fwnode_handle *fn;
struct resource *res;
u32 upper_bits;
unsigned long flags;
LIST_HEAD(resources);
resource_size_t offset[2] = {0};
resource_size_t membar2_offset = 0x2000;
+ struct pci_bus *child;
+ int ret;
/*
* Shadow registers may exist in certain VMD device ids which allow
@@ -602,42 +595,24 @@
* or 0, depending on an enable bit in the VMD device.
*/
if (features & VMD_FEAT_HAS_MEMBAR_SHADOW) {
- u32 vmlock;
- int ret;
-
membar2_offset = MB2_SHADOW_OFFSET + MB2_SHADOW_SIZE;
- ret = pci_read_config_dword(vmd->dev, PCI_REG_VMLOCK, &vmlock);
- if (ret || vmlock == ~0)
- return -ENODEV;
-
- if (MB2_SHADOW_EN(vmlock)) {
- void __iomem *membar2;
-
- membar2 = pci_iomap(vmd->dev, VMD_MEMBAR2, 0);
- if (!membar2)
- return -ENOMEM;
- offset[0] = vmd->dev->resource[VMD_MEMBAR1].start -
- (readq(membar2 + MB2_SHADOW_OFFSET) &
- PCI_BASE_ADDRESS_MEM_MASK);
- offset[1] = vmd->dev->resource[VMD_MEMBAR2].start -
- (readq(membar2 + MB2_SHADOW_OFFSET + 8) &
- PCI_BASE_ADDRESS_MEM_MASK);
- pci_iounmap(vmd->dev, membar2);
- }
+ ret = vmd_get_phys_offsets(vmd, true, &offset[0], &offset[1]);
+ if (ret)
+ return ret;
+ } else if (features & VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP) {
+ ret = vmd_get_phys_offsets(vmd, false, &offset[0], &offset[1]);
+ if (ret)
+ return ret;
}
/*
* Certain VMD devices may have a root port configuration option which
- * limits the bus range to between 0-127 or 128-255
+ * limits the bus range to between 0-127, 128-255, or 224-255
*/
if (features & VMD_FEAT_HAS_BUS_RESTRICTIONS) {
- u32 vmcap, vmconfig;
-
- pci_read_config_dword(vmd->dev, PCI_REG_VMCAP, &vmcap);
- pci_read_config_dword(vmd->dev, PCI_REG_VMCONFIG, &vmconfig);
- if (BUS_RESTRICT_CAP(vmcap) &&
- (BUS_RESTRICT_CFG(vmconfig) == 0x1))
- vmd->busn_start = 128;
+ ret = vmd_get_bus_number_start(vmd);
+ if (ret)
+ return ret;
}
res = &vmd->dev->resource[VMD_CFGBAR];
@@ -658,7 +633,7 @@
* 32-bit resources. __pci_assign_resource() enforces that
* artificial restriction to make sure everything will fit.
*
- * The only way we could use a 64-bit non-prefechable MEMBAR is
+ * The only way we could use a 64-bit non-prefetchable MEMBAR is
* if its address is <4GB so that we can convert it to a 32-bit
* resource. To be visible to the host OS, all VMD endpoints must
* be initially configured by platform BIOS, which includes setting
@@ -691,65 +666,61 @@
.parent = res,
};
- sd->vmd_domain = true;
+ sd->vmd_dev = vmd->dev;
sd->domain = vmd_find_free_domain();
if (sd->domain < 0)
return sd->domain;
sd->node = pcibus_to_node(vmd->dev->bus);
- fn = irq_domain_alloc_named_id_fwnode("VMD-MSI", vmd->sysdata.domain);
- if (!fn)
- return -ENODEV;
+ ret = vmd_create_irq_domain(vmd);
+ if (ret)
+ return ret;
- vmd->irq_domain = pci_msi_create_irq_domain(fn, &vmd_msi_domain_info,
- x86_vector_domain);
- if (!vmd->irq_domain) {
- irq_domain_free_fwnode(fn);
- return -ENODEV;
- }
+ /*
+ * Override the irq domain bus token so the domain can be distinguished
+ * from a regular PCI/MSI domain.
+ */
+ irq_domain_update_bus_token(vmd->irq_domain, DOMAIN_BUS_VMD_MSI);
pci_add_resource(&resources, &vmd->resources[0]);
pci_add_resource_offset(&resources, &vmd->resources[1], offset[0]);
pci_add_resource_offset(&resources, &vmd->resources[2], offset[1]);
vmd->bus = pci_create_root_bus(&vmd->dev->dev, vmd->busn_start,
- &vmd_ops, sd, &resources);
+ &vmd_ops, sd, &resources);
if (!vmd->bus) {
pci_free_resource_list(&resources);
- irq_domain_remove(vmd->irq_domain);
- irq_domain_free_fwnode(fn);
+ vmd_remove_irq_domain(vmd);
return -ENODEV;
}
vmd_attach_resources(vmd);
- vmd_setup_dma_ops(vmd);
- dev_set_msi_domain(&vmd->bus->dev, vmd->irq_domain);
- pci_rescan_bus(vmd->bus);
+ if (vmd->irq_domain)
+ dev_set_msi_domain(&vmd->bus->dev, vmd->irq_domain);
+
+ pci_scan_child_bus(vmd->bus);
+ pci_assign_unassigned_bus_resources(vmd->bus);
+
+ /*
+ * VMD root buses are virtual and don't return true on pci_is_pcie()
+ * and will fail pcie_bus_configure_settings() early. It can instead be
+ * run on each of the real root ports.
+ */
+ list_for_each_entry(child, &vmd->bus->children, node)
+ pcie_bus_configure_settings(child);
+
+ pci_bus_add_devices(vmd->bus);
WARN(sysfs_create_link(&vmd->dev->dev.kobj, &vmd->bus->dev.kobj,
"domain"), "Can't create symlink to domain\n");
return 0;
}
-static irqreturn_t vmd_irq(int irq, void *data)
-{
- struct vmd_irq_list *irqs = data;
- struct vmd_irq *vmdirq;
- int idx;
-
- idx = srcu_read_lock(&irqs->srcu);
- list_for_each_entry_rcu(vmdirq, &irqs->irq_list, node)
- generic_handle_irq(vmdirq->virq);
- srcu_read_unlock(&irqs->srcu, idx);
-
- return IRQ_HANDLED;
-}
-
static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct vmd_dev *vmd;
- int i, err;
+ int err;
if (resource_size(&dev->resource[VMD_CFGBAR]) < (1 << 20))
return -ENOMEM;
@@ -772,32 +743,9 @@
dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32)))
return -ENODEV;
- vmd->msix_count = pci_msix_vec_count(dev);
- if (vmd->msix_count < 0)
- return -ENODEV;
-
- vmd->msix_count = pci_alloc_irq_vectors(dev, 1, vmd->msix_count,
- PCI_IRQ_MSIX);
- if (vmd->msix_count < 0)
- return vmd->msix_count;
-
- vmd->irqs = devm_kcalloc(&dev->dev, vmd->msix_count, sizeof(*vmd->irqs),
- GFP_KERNEL);
- if (!vmd->irqs)
- return -ENOMEM;
-
- for (i = 0; i < vmd->msix_count; i++) {
- err = init_srcu_struct(&vmd->irqs[i].srcu);
- if (err)
- return err;
-
- INIT_LIST_HEAD(&vmd->irqs[i].irq_list);
- err = devm_request_irq(&dev->dev, pci_irq_vector(dev, i),
- vmd_irq, IRQF_NO_THREAD,
- "vmd", &vmd->irqs[i]);
- if (err)
- return err;
- }
+ err = vmd_alloc_irqs(vmd);
+ if (err)
+ return err;
spin_lock_init(&vmd->cfg_lock);
pci_set_drvdata(dev, vmd);
@@ -821,16 +769,13 @@
static void vmd_remove(struct pci_dev *dev)
{
struct vmd_dev *vmd = pci_get_drvdata(dev);
- struct fwnode_handle *fn = vmd->irq_domain->fwnode;
sysfs_remove_link(&vmd->dev->dev.kobj, "domain");
pci_stop_root_bus(vmd->bus);
pci_remove_root_bus(vmd->bus);
vmd_cleanup_srcu(vmd);
- vmd_teardown_dma_ops(vmd);
vmd_detach_resources(vmd);
- irq_domain_remove(vmd->irq_domain);
- irq_domain_free_fwnode(fn);
+ vmd_remove_irq_domain(vmd);
}
#ifdef CONFIG_PM_SLEEP
@@ -841,9 +786,8 @@
int i;
for (i = 0; i < vmd->msix_count; i++)
- devm_free_irq(dev, pci_irq_vector(pdev, i), &vmd->irqs[i]);
+ devm_free_irq(dev, pci_irq_vector(pdev, i), &vmd->irqs[i]);
- pci_save_state(pdev);
return 0;
}
@@ -861,19 +805,26 @@
return err;
}
- pci_restore_state(pdev);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(vmd_dev_pm_ops, vmd_suspend, vmd_resume);
static const struct pci_device_id vmd_ids[] = {
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_201D),},
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_201D),
+ .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP,},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_28C0),
.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW |
VMD_FEAT_HAS_BUS_RESTRICTIONS,},
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x467f),
+ .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS,},
+ {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4c3d),
+ .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS,},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_9A0B),
- .driver_data = VMD_FEAT_HAS_BUS_RESTRICTIONS,},
+ .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS,},
{0,}
};
MODULE_DEVICE_TABLE(pci, vmd_ids);
--
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