diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/hypercall.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/hypercall.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h new file mode 100644 index 000000000..5af11cf1b --- /dev/null +++ b/drivers/gpu/drm/i915/gvt/hypercall.h @@ -0,0 +1,72 @@ +/* + * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Eddie Dong <eddie.dong@intel.com> + * Dexuan Cui + * Jike Song <jike.song@intel.com> + * + * Contributors: + * Zhi Wang <zhi.a.wang@intel.com> + * + */ + +#ifndef _GVT_HYPERCALL_H_ +#define _GVT_HYPERCALL_H_ + +/* + * Specific GVT-g MPT modules function collections. Currently GVT-g supports + * both Xen and KVM by providing dedicated hypervisor-related MPT modules. + */ +struct intel_gvt_mpt { + int (*host_init)(struct device *dev, void *gvt, const void *ops); + void (*host_exit)(struct device *dev, void *gvt); + int (*attach_vgpu)(void *vgpu, unsigned long *handle); + void (*detach_vgpu)(unsigned long handle); + int (*inject_msi)(unsigned long handle, u32 addr, u16 data); + unsigned long (*from_virt_to_mfn)(void *p); + int (*enable_page_track)(unsigned long handle, u64 gfn); + int (*disable_page_track)(unsigned long handle, u64 gfn); + int (*read_gpa)(unsigned long handle, unsigned long gpa, void *buf, + unsigned long len); + int (*write_gpa)(unsigned long handle, unsigned long gpa, void *buf, + unsigned long len); + unsigned long (*gfn_to_mfn)(unsigned long handle, unsigned long gfn); + + int (*dma_map_guest_page)(unsigned long handle, unsigned long gfn, + unsigned long size, dma_addr_t *dma_addr); + void (*dma_unmap_guest_page)(unsigned long handle, dma_addr_t dma_addr); + + int (*map_gfn_to_mfn)(unsigned long handle, unsigned long gfn, + unsigned long mfn, unsigned int nr, bool map); + int (*set_trap_area)(unsigned long handle, u64 start, u64 end, + bool map); + int (*set_opregion)(void *vgpu); + int (*get_vfio_device)(void *vgpu); + void (*put_vfio_device)(void *vgpu); + bool (*is_valid_gfn)(unsigned long handle, unsigned long gfn); +}; + +extern struct intel_gvt_mpt xengt_mpt; +extern struct intel_gvt_mpt kvmgt_mpt; + +#endif /* _GVT_HYPERCALL_H_ */ |