From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/iommu/s390-iommu.c | 35 +++++++++++++----------------------
1 files changed, 13 insertions(+), 22 deletions(-)
diff --git a/kernel/drivers/iommu/s390-iommu.c b/kernel/drivers/iommu/s390-iommu.c
index 22d4db3..8895dbb 100644
--- a/kernel/drivers/iommu/s390-iommu.c
+++ b/kernel/drivers/iommu/s390-iommu.c
@@ -87,7 +87,7 @@
struct device *dev)
{
struct s390_domain *s390_domain = to_s390_domain(domain);
- struct zpci_dev *zdev = to_pci_dev(dev)->sysdata;
+ struct zpci_dev *zdev = to_zpci_dev(dev);
struct s390_domain_device *domain_device;
unsigned long flags;
int rc;
@@ -139,7 +139,7 @@
struct device *dev)
{
struct s390_domain *s390_domain = to_s390_domain(domain);
- struct zpci_dev *zdev = to_pci_dev(dev)->sysdata;
+ struct zpci_dev *zdev = to_zpci_dev(dev);
struct s390_domain_device *domain_device, *tmp;
unsigned long flags;
int found = 0;
@@ -166,23 +166,16 @@
}
}
-static int s390_iommu_add_device(struct device *dev)
+static struct iommu_device *s390_iommu_probe_device(struct device *dev)
{
- struct iommu_group *group = iommu_group_get_for_dev(dev);
- struct zpci_dev *zdev = to_pci_dev(dev)->sysdata;
+ struct zpci_dev *zdev = to_zpci_dev(dev);
- if (IS_ERR(group))
- return PTR_ERR(group);
-
- iommu_group_put(group);
- iommu_device_link(&zdev->iommu_dev, dev);
-
- return 0;
+ return &zdev->iommu_dev;
}
-static void s390_iommu_remove_device(struct device *dev)
+static void s390_iommu_release_device(struct device *dev)
{
- struct zpci_dev *zdev = to_pci_dev(dev)->sysdata;
+ struct zpci_dev *zdev = to_zpci_dev(dev);
struct iommu_domain *domain;
/*
@@ -191,7 +184,7 @@
* to vfio-pci and completing the VFIO_SET_IOMMU ioctl (which triggers
* the attach_dev), removing the device via
* "echo 1 > /sys/bus/pci/devices/.../remove" won't trigger detach_dev,
- * only remove_device will be called via the BUS_NOTIFY_REMOVED_DEVICE
+ * only release_device will be called via the BUS_NOTIFY_REMOVED_DEVICE
* notifier.
*
* So let's call detach_dev from here if it hasn't been called before.
@@ -201,9 +194,6 @@
if (domain)
s390_iommu_detach_device(domain, dev);
}
-
- iommu_device_unlink(&zdev->iommu_dev, dev);
- iommu_group_remove_device(dev);
}
static int s390_iommu_update_trans(struct s390_domain *s390_domain,
@@ -265,7 +255,7 @@
}
static int s390_iommu_map(struct iommu_domain *domain, unsigned long iova,
- phys_addr_t paddr, size_t size, int prot)
+ phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
{
struct s390_domain *s390_domain = to_s390_domain(domain);
int flags = ZPCI_PTE_VALID, rc = 0;
@@ -314,7 +304,8 @@
}
static size_t s390_iommu_unmap(struct iommu_domain *domain,
- unsigned long iova, size_t size)
+ unsigned long iova, size_t size,
+ struct iommu_iotlb_gather *gather)
{
struct s390_domain *s390_domain = to_s390_domain(domain);
int flags = ZPCI_PTE_INVALID;
@@ -372,8 +363,8 @@
.map = s390_iommu_map,
.unmap = s390_iommu_unmap,
.iova_to_phys = s390_iommu_iova_to_phys,
- .add_device = s390_iommu_add_device,
- .remove_device = s390_iommu_remove_device,
+ .probe_device = s390_iommu_probe_device,
+ .release_device = s390_iommu_release_device,
.device_group = generic_device_group,
.pgsize_bitmap = S390_IOMMU_PGSIZES,
};
--
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