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authorDave Airlie <airlied@redhat.com>2023-03-20 16:44:36 +1000
committerDave Airlie <airlied@redhat.com>2023-03-20 16:44:36 +1000
commit90031bc33f7525f0cc7a9ef0b1df62a1a4463382 (patch)
tree557fe432d177ce13b3fb78718ebf320fa5832910 /include/uapi
parent8bf6e20253b2d2b614f2c0b491f840e956fa6b05 (diff)
parent7ee938ac006096fe9c3f1075f56b9263587c150f (diff)
Merge tag 'amd-drm-next-6.4-2023-03-17' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.4-2023-03-17: amdgpu: - Misc code cleanups - Documentation fixes - Make kobj structures const - Add thermal throttling adjustments for supported APUs - UMC RAS fixes - Display reset fixes - DCN 3.2 fixes - Freesync fixes - DC code reorg - Generalize dmabuf import to work with KFD - DC DML fixes - SRIOV fixes - UVD code cleanups - IH 4.4.2 updates - HDP 4.4.2 updates - SDMA 4.4.2 updates - PSP 13.0.6 updates - Add capped/uncapped workload handling for supported APUs - DCN 3.1.4 updates - Re-org DC Kconfig - USB4 fixes - Reorg DC plane and stream handling - Register vga_switcheroo for apple-gmux - SMU 13.0.6 updates - Fix error checking in read_mm_registers functions for affected families - VCN 4.0.4 fix - Drop redundant pci_enable_pcie_error_reporting() call - RDNA2 SMU OD suspend/resume fix - Expose additional memory stats via fdinfo - RAS fixes - Misc display fixes - DP MST fixes - IOMMU regression fix for KFD amdkfd: - Make kobj structures const - Support for exporting buffers via dmabuf - Multi-VMA page migration fixes - NBIO fixes - Misc code cleanups - Fix possible double free - Fix possible UAF radeon: - iMac fix UAPI: - KFD dmabuf export support. Required for importing KFD buffers into GEM contexts and for RDMA P2P support. Proposed user mode changes: https://github.com/fxkamd/ROCT-Thunk-Interface/commits/fxkamd/dmabuf From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230317164416.138340-1-alexander.deucher@amd.com
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/kfd_ioctl.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index 42b60198b6c5..2da5c3ad71bd 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -37,9 +37,10 @@
* - 1.9 - Add available memory ioctl
* - 1.10 - Add SMI profiler event log
* - 1.11 - Add unified memory for ctx save/restore area
+ * - 1.12 - Add DMA buf export ioctl
*/
#define KFD_IOCTL_MAJOR_VERSION 1
-#define KFD_IOCTL_MINOR_VERSION 11
+#define KFD_IOCTL_MINOR_VERSION 12
struct kfd_ioctl_get_version_args {
__u32 major_version; /* from KFD */
@@ -463,6 +464,12 @@ struct kfd_ioctl_import_dmabuf_args {
__u32 dmabuf_fd; /* to KFD */
};
+struct kfd_ioctl_export_dmabuf_args {
+ __u64 handle; /* to KFD */
+ __u32 flags; /* to KFD */
+ __u32 dmabuf_fd; /* from KFD */
+};
+
/*
* KFD SMI(System Management Interface) events
*/
@@ -877,7 +884,10 @@ struct kfd_ioctl_set_xnack_mode_args {
#define AMDKFD_IOC_AVAILABLE_MEMORY \
AMDKFD_IOWR(0x23, struct kfd_ioctl_get_available_memory_args)
+#define AMDKFD_IOC_EXPORT_DMABUF \
+ AMDKFD_IOWR(0x24, struct kfd_ioctl_export_dmabuf_args)
+
#define AMDKFD_COMMAND_START 0x01
-#define AMDKFD_COMMAND_END 0x24
+#define AMDKFD_COMMAND_END 0x25
#endif