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Message-Id: <20220301041943.2935892-3-david.e.box@linux.intel.com>
Date: Mon, 28 Feb 2022 20:19:42 -0800
From: "David E. Box" <david.e.box@...ux.intel.com>
To: nirmal.patel@...ux.intel.com, jonathan.derrick@...ux.dev,
lorenzo.pieralisi@....com, hch@...radead.org, kw@...ux.com,
robh@...nel.org, bhelgaas@...gle.com, david.e.box@...ux.intel.com,
michael.a.bottini@...ux.intel.com, rafael@...nel.org,
me@...ityamohan.in
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V6 2/3] PCI: vmd: Add vmd_device_data
Add vmd_device_data to allow adding additional info for driver data. Also
refactor the PCI ID list to use PCI_VDEVICE.
Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
---
V6
- Inline the declarations for driver data in the vmd_ids list.
Suggested by Jonathan
V5
- New patch
drivers/pci/controller/vmd.c | 76 ++++++++++++++++++++++++------------
1 file changed, 50 insertions(+), 26 deletions(-)
diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index cc166c683638..cde6e2cba210 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -69,6 +69,10 @@ enum vmd_features {
VMD_FEAT_CAN_BYPASS_MSI_REMAP = (1 << 4),
};
+struct vmd_device_data {
+ enum vmd_features features;
+};
+
static DEFINE_IDA(vmd_instance_ida);
/*
@@ -710,11 +714,12 @@ static void vmd_copy_host_bridge_flags(struct pci_host_bridge *root_bridge,
vmd_bridge->native_dpc = root_bridge->native_dpc;
}
-static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
+static int vmd_enable_domain(struct vmd_dev *vmd, struct vmd_device_data *info)
{
struct pci_sysdata *sd = &vmd->sysdata;
struct resource *res;
u32 upper_bits;
+ unsigned long features = info->features;
unsigned long flags;
LIST_HEAD(resources);
resource_size_t offset[2] = {0};
@@ -881,7 +886,8 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
- unsigned long features = (unsigned long) id->driver_data;
+ struct vmd_device_data *info = (struct vmd_device_data *)id->driver_data;
+ unsigned long features = info->features;
struct vmd_dev *vmd;
int err;
@@ -925,7 +931,7 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
spin_lock_init(&vmd->cfg_lock);
pci_set_drvdata(dev, vmd);
- err = vmd_enable_domain(vmd, features);
+ err = vmd_enable_domain(vmd, info);
if (err)
goto out_release_instance;
@@ -994,29 +1000,47 @@ static int vmd_resume(struct device *dev)
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),
- .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 |
- VMD_FEAT_CAN_BYPASS_MSI_REMAP,},
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x467f),
- .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
- VMD_FEAT_HAS_BUS_RESTRICTIONS |
- VMD_FEAT_OFFSET_FIRST_VECTOR,},
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4c3d),
- .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
- VMD_FEAT_HAS_BUS_RESTRICTIONS |
- VMD_FEAT_OFFSET_FIRST_VECTOR,},
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa77f),
- .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
- VMD_FEAT_HAS_BUS_RESTRICTIONS |
- VMD_FEAT_OFFSET_FIRST_VECTOR,},
- {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_9A0B),
- .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
- VMD_FEAT_HAS_BUS_RESTRICTIONS |
- VMD_FEAT_OFFSET_FIRST_VECTOR,},
- {0,}
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_VMD_201D),
+ (kernel_ulong_t)&(struct vmd_device_data) {
+ .features = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP,
+ },
+ },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_VMD_28C0),
+ (kernel_ulong_t)&(struct vmd_device_data) {
+ .features = VMD_FEAT_HAS_MEMBAR_SHADOW |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS |
+ VMD_FEAT_CAN_BYPASS_MSI_REMAP,
+ },
+ },
+ { PCI_VDEVICE(INTEL, 0x467f),
+ (kernel_ulong_t)&(struct vmd_device_data) {
+ .features = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS |
+ VMD_FEAT_OFFSET_FIRST_VECTOR,
+ },
+ },
+ { PCI_VDEVICE(INTEL, 0x4c3d),
+ (kernel_ulong_t)&(struct vmd_device_data) {
+ .features = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS |
+ VMD_FEAT_OFFSET_FIRST_VECTOR,
+ },
+ },
+ { PCI_VDEVICE(INTEL, 0xa77f),
+ (kernel_ulong_t)&(struct vmd_device_data) {
+ .features = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS |
+ VMD_FEAT_OFFSET_FIRST_VECTOR,
+ },
+ },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_VMD_9A0B),
+ (kernel_ulong_t)&(struct vmd_device_data) {
+ .features = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
+ VMD_FEAT_HAS_BUS_RESTRICTIONS |
+ VMD_FEAT_OFFSET_FIRST_VECTOR,
+ },
+ },
+ { }
};
MODULE_DEVICE_TABLE(pci, vmd_ids);
--
2.25.1
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