| /linux/drivers/vfio/ |
| A D | device_cdev.c | 78 if (bind.argsz < minsz || bind.flags || bind.iommufd < 0) in vfio_df_ioctl_bind_iommufd()
96 df->iommufd = iommufd_ctx_from_fd(bind.iommufd); in vfio_df_ioctl_bind_iommufd()
97 if (IS_ERR(df->iommufd)) { in vfio_df_ioctl_bind_iommufd()
98 ret = PTR_ERR(df->iommufd); in vfio_df_ioctl_bind_iommufd()
99 df->iommufd = NULL; in vfio_df_ioctl_bind_iommufd()
133 iommufd_ctx_put(df->iommufd); in vfio_df_ioctl_bind_iommufd()
134 df->iommufd = NULL; in vfio_df_ioctl_bind_iommufd()
156 iommufd_ctx_put(df->iommufd); in vfio_df_unbind_iommufd()
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| A D | group.c | 92 if (group->iommufd) { in vfio_group_ioctl_unset_container()
94 group->iommufd = NULL; in vfio_group_ioctl_unset_container()
106 struct iommufd_ctx *iommufd; in vfio_group_ioctl_set_container() local
135 if (!IS_ERR(iommufd)) { in vfio_group_ioctl_set_container()
143 iommufd_ctx_put(iommufd); in vfio_group_ioctl_set_container()
147 group->iommufd = iommufd; in vfio_group_ioctl_set_container()
189 df->iommufd = device->group->iommufd; in vfio_df_group_open()
227 df->iommufd = NULL; in vfio_df_group_open()
244 df->iommufd = NULL; in vfio_df_group_close()
495 if (group->iommufd) { in vfio_group_fops_release()
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| A D | Makefile | 7 vfio-$(CONFIG_IOMMUFD) += iommufd.o
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| A D | vfio_main.c | 508 struct iommufd_ctx *iommufd = df->iommufd; in vfio_df_device_first_open() local
516 if (iommufd) in vfio_df_device_first_open()
531 if (iommufd) in vfio_df_device_first_open()
543 struct iommufd_ctx *iommufd = df->iommufd; in vfio_df_device_last_close() local
549 if (iommufd) in vfio_df_device_last_close()
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| A D | vfio.h | 27 struct iommufd_ctx *iommufd; /* protected by struct vfio_device_set::lock */ member
94 struct iommufd_ctx *iommufd; member
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| A D | iommufd.c | 24 struct iommufd_ctx *ictx = df->iommufd; in vfio_df_iommufd_bind()
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| A D | Kconfig | 24 /dev/vfio/devices/vfioX, and then bind the device fd with an iommufd
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| /linux/Documentation/userspace-api/ |
| A D | iommufd.rst | 41 - IOMMUFD_OBJ_DEVICE, representing a device that is bound to iommufd by an
53 datastructures (external to iommufd), with numbers referred to operations
57 | iommufd |
169 devices managed by different subsystems are bound to a same iommufd.
174 .. kernel-doc:: include/uapi/linux/iommufd.h
181 device-centric uAPI for connecting its device to an iommufd, instead of
184 .. kernel-doc:: drivers/iommu/iommufd/device.c
187 .. kernel-doc:: drivers/iommu/iommufd/main.c
193 Connecting a VFIO device to iommufd can be done in two ways.
198 /dev/iommufd or extending VFIO to SET_CONTAINER using an iommufd instead of a
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| A D | index.rst | 48 iommufd
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| /linux/drivers/iommu/iommufd/ |
| A D | Makefile | 2 iommufd-y := \
12 iommufd-$(CONFIG_IOMMUFD_TEST) += selftest.o
14 obj-$(CONFIG_IOMMUFD) += iommufd.o
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| /linux/tools/testing/selftests/iommu/ |
| A D | .gitignore | 2 /iommufd
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| A D | Makefile | 6 TEST_GEN_PROGS += iommufd
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| A D | iommufd.c | 54 FIXTURE(iommufd) in FIXTURE() argument
59 FIXTURE_SETUP(iommufd) in FIXTURE_SETUP() argument
65 FIXTURE_TEARDOWN(iommufd) in FIXTURE_TEARDOWN() argument
70 TEST_F(iommufd, simple_close) in TEST_F() argument
74 TEST_F(iommufd, cmd_fail) in TEST_F() argument
88 TEST_F(iommufd, cmd_length) in TEST_F() argument
134 TEST_F(iommufd, cmd_ex_fail) in TEST_F() argument
2010 TEST_F(iommufd, unmap_cmd) in TEST_F() argument
2028 TEST_F(iommufd, map_cmd) in TEST_F() argument
2048 TEST_F(iommufd, info_cmd) in TEST_F() argument
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| /linux/drivers/iommu/ |
| A D | Makefile | 2 obj-y += amd/ intel/ arm/ iommufd/
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| A D | Kconfig | 197 source "drivers/iommu/iommufd/Kconfig"
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| /linux/Documentation/driver-api/ |
| A D | vfio.rst | 329 the device except binding the cdev_fd to an iommufd. After that point
353 iommufd = open("/dev/iommu", O_RDWR);
355 bind.iommufd = iommufd;
358 ioctl(iommufd, IOMMU_IOAS_ALLOC, &alloc_data);
369 ioctl(iommufd, IOMMU_IOAS_MAP, &map);
448 and unbound from iommufd.
451 and detached from an IOAS managed by the bound iommufd. However, the
453 unbound from iommufd.
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| /linux/include/uapi/linux/ |
| A D | vfio.h | 924 __s32 iommufd; member
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| /linux/drivers/vfio/pci/ |
| A D | vfio_pci_core.c | 799 struct iommufd_ctx *iommufd = vfio_iommufd_device_ictx(fill->vdev); in vfio_pci_fill_devs() local
811 int id = vfio_iommufd_get_dev_id(vdev, iommufd); in vfio_pci_fill_devs()
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| /linux/Documentation/userspace-api/ioctl/ |
| A D | ioctl-number.rst | 112 ';' 80-FF linux/iommufd.h
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| /linux/ |
| A D | MAINTAINERS | 11922 T: git git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd.git
11923 F: Documentation/userspace-api/iommufd.rst
11924 F: drivers/iommu/iommufd/
11925 F: include/linux/iommufd.h
11926 F: include/uapi/linux/iommufd.h
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