mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 07:34:06 +08:00
b2a5d1e716
To get the offset of the members in PVINFO page, offsetof() looks much better than the tricky approach in current code. v7: - Move "offsetof()" modification into a dedicated patch. (Joonas) Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Zhi Wang <zhi.a.wang@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1466078825-6662-3-git-send-email-zhi.a.wang@intel.com Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _I915_PVINFO_H_
|
|
#define _I915_PVINFO_H_
|
|
|
|
/* The MMIO offset of the shared info between guest and host emulator */
|
|
#define VGT_PVINFO_PAGE 0x78000
|
|
#define VGT_PVINFO_SIZE 0x1000
|
|
|
|
/*
|
|
* The following structure pages are defined in GEN MMIO space
|
|
* for virtualization. (One page for now)
|
|
*/
|
|
#define VGT_MAGIC 0x4776544776544776ULL /* 'vGTvGTvG' */
|
|
#define VGT_VERSION_MAJOR 1
|
|
#define VGT_VERSION_MINOR 0
|
|
|
|
#define INTEL_VGT_IF_VERSION_ENCODE(major, minor) ((major) << 16 | (minor))
|
|
#define INTEL_VGT_IF_VERSION \
|
|
INTEL_VGT_IF_VERSION_ENCODE(VGT_VERSION_MAJOR, VGT_VERSION_MINOR)
|
|
|
|
/*
|
|
* notifications from guest to vgpu device model
|
|
*/
|
|
enum vgt_g2v_type {
|
|
VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE = 2,
|
|
VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY,
|
|
VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE,
|
|
VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY,
|
|
VGT_G2V_EXECLIST_CONTEXT_CREATE,
|
|
VGT_G2V_EXECLIST_CONTEXT_DESTROY,
|
|
VGT_G2V_MAX,
|
|
};
|
|
|
|
struct vgt_if {
|
|
u64 magic; /* VGT_MAGIC */
|
|
uint16_t version_major;
|
|
uint16_t version_minor;
|
|
u32 vgt_id; /* ID of vGT instance */
|
|
u32 rsv1[12]; /* pad to offset 0x40 */
|
|
/*
|
|
* Data structure to describe the balooning info of resources.
|
|
* Each VM can only have one portion of continuous area for now.
|
|
* (May support scattered resource in future)
|
|
* (starting from offset 0x40)
|
|
*/
|
|
struct {
|
|
/* Aperture register balooning */
|
|
struct {
|
|
u32 base;
|
|
u32 size;
|
|
} mappable_gmadr; /* aperture */
|
|
/* GMADR register balooning */
|
|
struct {
|
|
u32 base;
|
|
u32 size;
|
|
} nonmappable_gmadr; /* non aperture */
|
|
/* allowed fence registers */
|
|
u32 fence_num;
|
|
u32 rsv2[3];
|
|
} avail_rs; /* available/assigned resource */
|
|
u32 rsv3[0x200 - 24]; /* pad to half page */
|
|
/*
|
|
* The bottom half page is for response from Gfx driver to hypervisor.
|
|
*/
|
|
u32 rsv4;
|
|
u32 display_ready; /* ready for display owner switch */
|
|
|
|
u32 rsv5[4];
|
|
|
|
u32 g2v_notify;
|
|
u32 rsv6[7];
|
|
|
|
struct {
|
|
u32 lo;
|
|
u32 hi;
|
|
} pdp[4];
|
|
|
|
u32 execlist_context_descriptor_lo;
|
|
u32 execlist_context_descriptor_hi;
|
|
|
|
u32 rsv7[0x200 - 24]; /* pad to one page */
|
|
} __packed;
|
|
|
|
#define vgtif_reg(x) \
|
|
_MMIO((VGT_PVINFO_PAGE + offsetof(struct vgt_if, x)))
|
|
|
|
/* vGPU display status to be used by the host side */
|
|
#define VGT_DRV_DISPLAY_NOT_READY 0
|
|
#define VGT_DRV_DISPLAY_READY 1 /* ready for display switch */
|
|
|
|
#endif /* _I915_PVINFO_H_ */
|