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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-03 21:49:33 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-03 21:49:33 +0300 |
commit | 8e8d9442d1139d05d0c3b83efa34c4b7693d2969 (patch) | |
tree | 33af777d1e177b0f950a406ae7c8a2dac2147dbc /drivers/vfio/vfio_iommu_type1.c | |
parent | 58ec9059b396a570b208239b4edc45eeb68b14c4 (diff) | |
parent | 6a45ece4c9af473555f01f0f8b97eba56e3c7d0d (diff) | |
download | linux-8e8d9442d1139d05d0c3b83efa34c4b7693d2969.tar.xz |
Merge tag 'vfio-v5.14-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Module reference fixes, structure renaming (Max Gurtovoy)
- Export and use common pci_dev_trylock() (Luis Chamberlain)
- Enable direct mdev device creation and probing by parent (Christoph
Hellwig & Jason Gunthorpe)
- Fix mdpy error path leak (Colin Ian King)
- Fix mtty list entry leak (Jason Gunthorpe)
- Enforce mtty device limit (Alex Williamson)
- Resolve concurrent vfio-pci mmap faults (Alex Williamson)
* tag 'vfio-v5.14-rc1' of git://github.com/awilliam/linux-vfio:
vfio/pci: Handle concurrent vma faults
vfio/mtty: Enforce available_instances
vfio/mtty: Delete mdev_devices_list
vfio: use the new pci_dev_trylock() helper to simplify try lock
PCI: Export pci_dev_trylock() and pci_dev_unlock()
vfio/mdpy: Fix memory leak of object mdev_state->vconfig
vfio/iommu_type1: rename vfio_group struck to vfio_iommu_group
vfio/mbochs: Convert to use vfio_register_group_dev()
vfio/mdpy: Convert to use vfio_register_group_dev()
vfio/mtty: Convert to use vfio_register_group_dev()
vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind
vfio/mdev: Remove CONFIG_VFIO_MDEV_DEVICE
driver core: Export device_driver_attach()
driver core: Don't return EPROBE_DEFER to userspace during sysfs bind
driver core: Flow the return code from ->probe() through to sysfs bind
driver core: Better distinguish probe errors in really_probe
driver core: Pull required checks into driver_probe_device()
vfio/platform: remove unneeded parent_module attribute
vfio: centralize module refcount in subsystem layer
Diffstat (limited to 'drivers/vfio/vfio_iommu_type1.c')
-rw-r--r-- | drivers/vfio/vfio_iommu_type1.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 4fce73a8a650..0b4f7c174c7a 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -110,7 +110,7 @@ struct vfio_batch { int offset; /* of next entry in pages */ }; -struct vfio_group { +struct vfio_iommu_group { struct iommu_group *iommu_group; struct list_head next; bool mdev_group; /* An mdev group */ @@ -160,8 +160,9 @@ struct vfio_regions { static int put_pfn(unsigned long pfn, int prot); -static struct vfio_group *vfio_iommu_find_iommu_group(struct vfio_iommu *iommu, - struct iommu_group *iommu_group); +static struct vfio_iommu_group* +vfio_iommu_find_iommu_group(struct vfio_iommu *iommu, + struct iommu_group *iommu_group); /* * This code handles mapping and unmapping of user data buffers @@ -836,7 +837,7 @@ static int vfio_iommu_type1_pin_pages(void *iommu_data, unsigned long *phys_pfn) { struct vfio_iommu *iommu = iommu_data; - struct vfio_group *group; + struct vfio_iommu_group *group; int i, j, ret; unsigned long remote_vaddr; struct vfio_dma *dma; @@ -1875,10 +1876,10 @@ static void vfio_test_domain_fgsp(struct vfio_domain *domain) __free_pages(pages, order); } -static struct vfio_group *find_iommu_group(struct vfio_domain *domain, - struct iommu_group *iommu_group) +static struct vfio_iommu_group *find_iommu_group(struct vfio_domain *domain, + struct iommu_group *iommu_group) { - struct vfio_group *g; + struct vfio_iommu_group *g; list_for_each_entry(g, &domain->group_list, next) { if (g->iommu_group == iommu_group) @@ -1888,11 +1889,12 @@ static struct vfio_group *find_iommu_group(struct vfio_domain *domain, return NULL; } -static struct vfio_group *vfio_iommu_find_iommu_group(struct vfio_iommu *iommu, - struct iommu_group *iommu_group) +static struct vfio_iommu_group* +vfio_iommu_find_iommu_group(struct vfio_iommu *iommu, + struct iommu_group *iommu_group) { struct vfio_domain *domain; - struct vfio_group *group = NULL; + struct vfio_iommu_group *group = NULL; list_for_each_entry(domain, &iommu->domain_list, next) { group = find_iommu_group(domain, iommu_group); @@ -1967,7 +1969,7 @@ static int vfio_mdev_detach_domain(struct device *dev, void *data) } static int vfio_iommu_attach_group(struct vfio_domain *domain, - struct vfio_group *group) + struct vfio_iommu_group *group) { if (group->mdev_group) return iommu_group_for_each_dev(group->iommu_group, @@ -1978,7 +1980,7 @@ static int vfio_iommu_attach_group(struct vfio_domain *domain, } static void vfio_iommu_detach_group(struct vfio_domain *domain, - struct vfio_group *group) + struct vfio_iommu_group *group) { if (group->mdev_group) iommu_group_for_each_dev(group->iommu_group, domain->domain, @@ -2242,7 +2244,7 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, struct iommu_group *iommu_group) { struct vfio_iommu *iommu = iommu_data; - struct vfio_group *group; + struct vfio_iommu_group *group; struct vfio_domain *domain, *d; struct bus_type *bus = NULL; int ret; @@ -2518,7 +2520,7 @@ static int vfio_iommu_resv_refresh(struct vfio_iommu *iommu, struct list_head *iova_copy) { struct vfio_domain *d; - struct vfio_group *g; + struct vfio_iommu_group *g; struct vfio_iova *node; dma_addr_t start, end; LIST_HEAD(resv_regions); @@ -2560,7 +2562,7 @@ static void vfio_iommu_type1_detach_group(void *iommu_data, { struct vfio_iommu *iommu = iommu_data; struct vfio_domain *domain; - struct vfio_group *group; + struct vfio_iommu_group *group; bool update_dirty_scope = false; LIST_HEAD(iova_copy); @@ -2681,7 +2683,7 @@ static void *vfio_iommu_type1_open(unsigned long arg) static void vfio_release_domain(struct vfio_domain *domain, bool external) { - struct vfio_group *group, *group_tmp; + struct vfio_iommu_group *group, *group_tmp; list_for_each_entry_safe(group, group_tmp, &domain->group_list, next) { |