[mirror_ubuntu-eoan-kernel.git] / drivers / gpu / drm / i915 / gvt / hypercall.h

/*
 * 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)(void *vgpu);
	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_ */
Commit	Line	Data
0ad35fed ZW	1	/*
	2	* Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice (including the next
	12	* paragraph) shall be included in all copies or substantial portions of the
	13	* Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	20	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	21	* SOFTWARE.
82d375d1 ZW	22	*
	23	* Authors:
	24	* Eddie Dong <eddie.dong@intel.com>
	25	* Dexuan Cui
	26	* Jike Song <jike.song@intel.com>
	27	*
	28	* Contributors:
	29	* Zhi Wang <zhi.a.wang@intel.com>
	30	*
0ad35fed ZW	31	*/
	32
	33	#ifndef _GVT_HYPERCALL_H_
	34	#define _GVT_HYPERCALL_H_
	35
	36	/*
	37	* Specific GVT-g MPT modules function collections. Currently GVT-g supports
	38	* both Xen and KVM by providing dedicated hypervisor-related MPT modules.
	39	*/
	40	struct intel_gvt_mpt {
40df6ea0 JS	41	int (host_init)(struct device dev, void gvt, const void ops);
40df6ea0 JS	42	void (host_exit)(struct device dev, void *gvt);
82d375d1	43	int (attach_vgpu)(void vgpu, unsigned long *handle);
6c2d0f99	44	void (detach_vgpu)(void vgpu);
c8fe6a68	45	int (*inject_msi)(unsigned long handle, u32 addr, u16 data);
2707e444	46	unsigned long (from_virt_to_mfn)(void p);
f66e5ff7 CD	47	int (*enable_page_track)(unsigned long handle, u64 gfn);
f66e5ff7 CD	48	int (*disable_page_track)(unsigned long handle, u64 gfn);
2707e444 ZW	49	int (read_gpa)(unsigned long handle, unsigned long gpa, void buf,
	50	unsigned long len);
	51	int (write_gpa)(unsigned long handle, unsigned long gpa, void buf,
	52	unsigned long len);
	53	unsigned long (*gfn_to_mfn)(unsigned long handle, unsigned long gfn);
cf4ee73f CD	54
cf4ee73f CD	55	int (*dma_map_guest_page)(unsigned long handle, unsigned long gfn,
79e542f5	56	unsigned long size, dma_addr_t *dma_addr);
cf4ee73f CD	57	void (*dma_unmap_guest_page)(unsigned long handle, dma_addr_t dma_addr);
cf4ee73f CD	58
4d60c5fd	59	int (*map_gfn_to_mfn)(unsigned long handle, unsigned long gfn,
8f89743b	60	unsigned long mfn, unsigned int nr, bool map);
4d60c5fd ZW	61	int (*set_trap_area)(unsigned long handle, u64 start, u64 end,
4d60c5fd ZW	62	bool map);
b851adea	63	int (set_opregion)(void vgpu);
e546e281 TZ	64	int (get_vfio_device)(void vgpu);
e546e281 TZ	65	void (put_vfio_device)(void vgpu);
cc753fbe	66	bool (*is_valid_gfn)(unsigned long handle, unsigned long gfn);
0ad35fed ZW	67	};
	68
	69	extern struct intel_gvt_mpt xengt_mpt;
	70	extern struct intel_gvt_mpt kvmgt_mpt;
	71
	72	#endif /* _GVT_HYPERCALL_H_ */