diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vgpu.h')
-rw-r--r-- | drivers/gpu/drm/i915/i915_vgpu.h | 92 |
1 files changed, 4 insertions, 88 deletions
diff --git a/drivers/gpu/drm/i915/i915_vgpu.h b/drivers/gpu/drm/i915/i915_vgpu.h index 21ffcfe..3c3b2d2 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.h +++ b/drivers/gpu/drm/i915/i915_vgpu.h @@ -24,94 +24,10 @@ #ifndef _I915_VGPU_H_ #define _I915_VGPU_H_ -/* The MMIO offset of the shared info between guest and host emulator */ -#define VGT_PVINFO_PAGE 0x78000 -#define VGT_PVINFO_SIZE 0x1000 +#include "i915_pvinfo.h" -/* - * 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 { - uint64_t magic; /* VGT_MAGIC */ - uint16_t version_major; - uint16_t version_minor; - uint32_t vgt_id; /* ID of vGT instance */ - uint32_t 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 { - uint32_t base; - uint32_t size; - } mappable_gmadr; /* aperture */ - /* GMADR register balooning */ - struct { - uint32_t base; - uint32_t size; - } nonmappable_gmadr; /* non aperture */ - /* allowed fence registers */ - uint32_t fence_num; - uint32_t rsv2[3]; - } avail_rs; /* available/assigned resource */ - uint32_t rsv3[0x200 - 24]; /* pad to half page */ - /* - * The bottom half page is for response from Gfx driver to hypervisor. - */ - uint32_t rsv4; - uint32_t display_ready; /* ready for display owner switch */ - - uint32_t rsv5[4]; - - uint32_t g2v_notify; - uint32_t rsv6[7]; - - struct { - uint32_t lo; - uint32_t hi; - } pdp[4]; - - uint32_t execlist_context_descriptor_lo; - uint32_t execlist_context_descriptor_hi; - - uint32_t rsv7[0x200 - 24]; /* pad to one page */ -} __packed; - -#define vgtif_reg(x) \ - _MMIO((VGT_PVINFO_PAGE + (long)&((struct vgt_if *)NULL)->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 */ - -extern void i915_check_vgpu(struct drm_i915_private *dev_priv); -extern int intel_vgt_balloon(struct drm_device *dev); -extern void intel_vgt_deballoon(void); +void i915_check_vgpu(struct drm_i915_private *dev_priv); +int intel_vgt_balloon(struct drm_i915_private *dev_priv); +void intel_vgt_deballoon(struct drm_i915_private *dev_priv); #endif /* _I915_VGPU_H_ */ |