From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/i915/gvt/gvt.h | 698 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 698 insertions(+) create mode 100644 drivers/gpu/drm/i915/gvt/gvt.h (limited to 'drivers/gpu/drm/i915/gvt/gvt.h') diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h new file mode 100644 index 000000000..31f6cdbe5 --- /dev/null +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -0,0 +1,698 @@ +/* + * 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: + * Kevin Tian + * Eddie Dong + * + * Contributors: + * Niu Bing + * Zhi Wang + * + */ + +#ifndef _GVT_H_ +#define _GVT_H_ + +#include "debug.h" +#include "hypercall.h" +#include "mmio.h" +#include "reg.h" +#include "interrupt.h" +#include "gtt.h" +#include "display.h" +#include "edid.h" +#include "execlist.h" +#include "scheduler.h" +#include "sched_policy.h" +#include "mmio_context.h" +#include "cmd_parser.h" +#include "fb_decoder.h" +#include "dmabuf.h" +#include "page_track.h" + +#define GVT_MAX_VGPU 8 + +enum { + INTEL_GVT_HYPERVISOR_XEN = 0, + INTEL_GVT_HYPERVISOR_KVM, +}; + +struct intel_gvt_host { + bool initialized; + int hypervisor_type; + struct intel_gvt_mpt *mpt; +}; + +extern struct intel_gvt_host intel_gvt_host; + +/* Describe per-platform limitations. */ +struct intel_gvt_device_info { + u32 max_support_vgpus; + u32 cfg_space_size; + u32 mmio_size; + u32 mmio_bar; + unsigned long msi_cap_offset; + u32 gtt_start_offset; + u32 gtt_entry_size; + u32 gtt_entry_size_shift; + int gmadr_bytes_in_cmd; + u32 max_surface_size; +}; + +/* GM resources owned by a vGPU */ +struct intel_vgpu_gm { + u64 aperture_sz; + u64 hidden_sz; + struct drm_mm_node low_gm_node; + struct drm_mm_node high_gm_node; +}; + +#define INTEL_GVT_MAX_NUM_FENCES 32 + +/* Fences owned by a vGPU */ +struct intel_vgpu_fence { + struct drm_i915_fence_reg *regs[INTEL_GVT_MAX_NUM_FENCES]; + u32 base; + u32 size; +}; + +struct intel_vgpu_mmio { + void *vreg; + void *sreg; +}; + +#define INTEL_GVT_MAX_BAR_NUM 4 + +struct intel_vgpu_pci_bar { + u64 size; + bool tracked; +}; + +struct intel_vgpu_cfg_space { + unsigned char virtual_cfg_space[PCI_CFG_SPACE_EXP_SIZE]; + struct intel_vgpu_pci_bar bar[INTEL_GVT_MAX_BAR_NUM]; +}; + +#define vgpu_cfg_space(vgpu) ((vgpu)->cfg_space.virtual_cfg_space) + +#define INTEL_GVT_MAX_PIPE 4 + +struct intel_vgpu_irq { + bool irq_warn_once[INTEL_GVT_EVENT_MAX]; + DECLARE_BITMAP(flip_done_event[INTEL_GVT_MAX_PIPE], + INTEL_GVT_EVENT_MAX); +}; + +struct intel_vgpu_opregion { + bool mapped; + void *va; + u32 gfn[INTEL_GVT_OPREGION_PAGES]; +}; + +#define vgpu_opregion(vgpu) (&(vgpu->opregion)) + +struct intel_vgpu_display { + struct intel_vgpu_i2c_edid i2c_edid; + struct intel_vgpu_port ports[I915_MAX_PORTS]; + struct intel_vgpu_sbi sbi; +}; + +struct vgpu_sched_ctl { + int weight; +}; + +enum { + INTEL_VGPU_EXECLIST_SUBMISSION = 1, + INTEL_VGPU_GUC_SUBMISSION, +}; + +struct intel_vgpu_submission_ops { + const char *name; + int (*init)(struct intel_vgpu *vgpu, unsigned long engine_mask); + void (*clean)(struct intel_vgpu *vgpu, unsigned long engine_mask); + void (*reset)(struct intel_vgpu *vgpu, unsigned long engine_mask); +}; + +struct intel_vgpu_submission { + struct intel_vgpu_execlist execlist[I915_NUM_ENGINES]; + struct list_head workload_q_head[I915_NUM_ENGINES]; + struct kmem_cache *workloads; + atomic_t running_workload_num; + struct i915_gem_context *shadow_ctx; + DECLARE_BITMAP(shadow_ctx_desc_updated, I915_NUM_ENGINES); + DECLARE_BITMAP(tlb_handle_pending, I915_NUM_ENGINES); + void *ring_scan_buffer[I915_NUM_ENGINES]; + int ring_scan_buffer_size[I915_NUM_ENGINES]; + const struct intel_vgpu_submission_ops *ops; + int virtual_submission_interface; + bool active; +}; + +struct intel_vgpu { + struct intel_gvt *gvt; + struct mutex vgpu_lock; + int id; + unsigned long handle; /* vGPU handle used by hypervisor MPT modules */ + bool active; + bool pv_notified; + bool failsafe; + unsigned int resetting_eng; + + /* Both sched_data and sched_ctl can be seen a part of the global gvt + * scheduler structure. So below 2 vgpu data are protected + * by sched_lock, not vgpu_lock. + */ + void *sched_data; + struct vgpu_sched_ctl sched_ctl; + + struct intel_vgpu_fence fence; + struct intel_vgpu_gm gm; + struct intel_vgpu_cfg_space cfg_space; + struct intel_vgpu_mmio mmio; + struct intel_vgpu_irq irq; + struct intel_vgpu_gtt gtt; + struct intel_vgpu_opregion opregion; + struct intel_vgpu_display display; + struct intel_vgpu_submission submission; + struct radix_tree_root page_track_tree; + u32 hws_pga[I915_NUM_ENGINES]; + + struct dentry *debugfs; + +#if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT) + struct { + struct mdev_device *mdev; + struct vfio_region *region; + int num_regions; + struct eventfd_ctx *intx_trigger; + struct eventfd_ctx *msi_trigger; + + /* + * Two caches are used to avoid mapping duplicated pages (eg. + * scratch pages). This help to reduce dma setup overhead. + */ + struct rb_root gfn_cache; + struct rb_root dma_addr_cache; + unsigned long nr_cache_entries; + struct mutex cache_lock; + + struct notifier_block iommu_notifier; + struct notifier_block group_notifier; + struct kvm *kvm; + struct work_struct release_work; + atomic_t released; + struct vfio_device *vfio_device; + } vdev; +#endif + + struct list_head dmabuf_obj_list_head; + struct mutex dmabuf_lock; + struct idr object_idr; + + struct completion vblank_done; + + u32 scan_nonprivbb; +}; + +/* validating GM healthy status*/ +#define vgpu_is_vm_unhealthy(ret_val) \ + (((ret_val) == -EBADRQC) || ((ret_val) == -EFAULT)) + +struct intel_gvt_gm { + unsigned long vgpu_allocated_low_gm_size; + unsigned long vgpu_allocated_high_gm_size; +}; + +struct intel_gvt_fence { + unsigned long vgpu_allocated_fence_num; +}; + +/* Special MMIO blocks. */ +struct gvt_mmio_block { + unsigned int device; + i915_reg_t offset; + unsigned int size; + gvt_mmio_func read; + gvt_mmio_func write; +}; + +#define INTEL_GVT_MMIO_HASH_BITS 11 + +struct intel_gvt_mmio { + u8 *mmio_attribute; +/* Register contains RO bits */ +#define F_RO (1 << 0) +/* Register contains graphics address */ +#define F_GMADR (1 << 1) +/* Mode mask registers with high 16 bits as the mask bits */ +#define F_MODE_MASK (1 << 2) +/* This reg can be accessed by GPU commands */ +#define F_CMD_ACCESS (1 << 3) +/* This reg has been accessed by a VM */ +#define F_ACCESSED (1 << 4) +/* This reg has been accessed through GPU commands */ +#define F_CMD_ACCESSED (1 << 5) +/* This reg could be accessed by unaligned address */ +#define F_UNALIGN (1 << 6) +/* This reg is saved/restored in context */ +#define F_IN_CTX (1 << 7) + + struct gvt_mmio_block *mmio_block; + unsigned int num_mmio_block; + + DECLARE_HASHTABLE(mmio_info_table, INTEL_GVT_MMIO_HASH_BITS); + unsigned long num_tracked_mmio; +}; + +struct intel_gvt_firmware { + void *cfg_space; + void *mmio; + bool firmware_loaded; +}; + +#define NR_MAX_INTEL_VGPU_TYPES 20 +struct intel_vgpu_type { + char name[16]; + unsigned int avail_instance; + unsigned int low_gm_size; + unsigned int high_gm_size; + unsigned int fence; + unsigned int weight; + enum intel_vgpu_edid resolution; +}; + +struct intel_gvt { + /* GVT scope lock, protect GVT itself, and all resource currently + * not yet protected by special locks(vgpu and scheduler lock). + */ + struct mutex lock; + /* scheduler scope lock, protect gvt and vgpu schedule related data */ + struct mutex sched_lock; + + struct drm_i915_private *dev_priv; + struct idr vgpu_idr; /* vGPU IDR pool */ + + struct intel_gvt_device_info device_info; + struct intel_gvt_gm gm; + struct intel_gvt_fence fence; + struct intel_gvt_mmio mmio; + struct intel_gvt_firmware firmware; + struct intel_gvt_irq irq; + struct intel_gvt_gtt gtt; + struct intel_gvt_workload_scheduler scheduler; + struct notifier_block shadow_ctx_notifier_block[I915_NUM_ENGINES]; + DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS); + struct intel_vgpu_type *types; + unsigned int num_types; + struct intel_vgpu *idle_vgpu; + + struct task_struct *service_thread; + wait_queue_head_t service_thread_wq; + + /* service_request is always used in bit operation, we should always + * use it with atomic bit ops so that no need to use gvt big lock. + */ + unsigned long service_request; + + struct { + struct engine_mmio *mmio; + int ctx_mmio_count[I915_NUM_ENGINES]; + } engine_mmio_list; + + struct dentry *debugfs_root; +}; + +static inline struct intel_gvt *to_gvt(struct drm_i915_private *i915) +{ + return i915->gvt; +} + +enum { + INTEL_GVT_REQUEST_EMULATE_VBLANK = 0, + + /* Scheduling trigger by timer */ + INTEL_GVT_REQUEST_SCHED = 1, + + /* Scheduling trigger by event */ + INTEL_GVT_REQUEST_EVENT_SCHED = 2, +}; + +static inline void intel_gvt_request_service(struct intel_gvt *gvt, + int service) +{ + set_bit(service, (void *)&gvt->service_request); + wake_up(&gvt->service_thread_wq); +} + +void intel_gvt_free_firmware(struct intel_gvt *gvt); +int intel_gvt_load_firmware(struct intel_gvt *gvt); + +/* Aperture/GM space definitions for GVT device */ +#define MB_TO_BYTES(mb) ((mb) << 20ULL) +#define BYTES_TO_MB(b) ((b) >> 20ULL) + +#define HOST_LOW_GM_SIZE MB_TO_BYTES(128) +#define HOST_HIGH_GM_SIZE MB_TO_BYTES(384) +#define HOST_FENCE 4 + +/* Aperture/GM space definitions for GVT device */ +#define gvt_aperture_sz(gvt) (gvt->dev_priv->ggtt.mappable_end) +#define gvt_aperture_pa_base(gvt) (gvt->dev_priv->ggtt.gmadr.start) + +#define gvt_ggtt_gm_sz(gvt) (gvt->dev_priv->ggtt.vm.total) +#define gvt_ggtt_sz(gvt) \ + ((gvt->dev_priv->ggtt.vm.total >> PAGE_SHIFT) << 3) +#define gvt_hidden_sz(gvt) (gvt_ggtt_gm_sz(gvt) - gvt_aperture_sz(gvt)) + +#define gvt_aperture_gmadr_base(gvt) (0) +#define gvt_aperture_gmadr_end(gvt) (gvt_aperture_gmadr_base(gvt) \ + + gvt_aperture_sz(gvt) - 1) + +#define gvt_hidden_gmadr_base(gvt) (gvt_aperture_gmadr_base(gvt) \ + + gvt_aperture_sz(gvt)) +#define gvt_hidden_gmadr_end(gvt) (gvt_hidden_gmadr_base(gvt) \ + + gvt_hidden_sz(gvt) - 1) + +#define gvt_fence_sz(gvt) (gvt->dev_priv->num_fence_regs) + +/* Aperture/GM space definitions for vGPU */ +#define vgpu_aperture_offset(vgpu) ((vgpu)->gm.low_gm_node.start) +#define vgpu_hidden_offset(vgpu) ((vgpu)->gm.high_gm_node.start) +#define vgpu_aperture_sz(vgpu) ((vgpu)->gm.aperture_sz) +#define vgpu_hidden_sz(vgpu) ((vgpu)->gm.hidden_sz) + +#define vgpu_aperture_pa_base(vgpu) \ + (gvt_aperture_pa_base(vgpu->gvt) + vgpu_aperture_offset(vgpu)) + +#define vgpu_ggtt_gm_sz(vgpu) ((vgpu)->gm.aperture_sz + (vgpu)->gm.hidden_sz) + +#define vgpu_aperture_pa_end(vgpu) \ + (vgpu_aperture_pa_base(vgpu) + vgpu_aperture_sz(vgpu) - 1) + +#define vgpu_aperture_gmadr_base(vgpu) (vgpu_aperture_offset(vgpu)) +#define vgpu_aperture_gmadr_end(vgpu) \ + (vgpu_aperture_gmadr_base(vgpu) + vgpu_aperture_sz(vgpu) - 1) + +#define vgpu_hidden_gmadr_base(vgpu) (vgpu_hidden_offset(vgpu)) +#define vgpu_hidden_gmadr_end(vgpu) \ + (vgpu_hidden_gmadr_base(vgpu) + vgpu_hidden_sz(vgpu) - 1) + +#define vgpu_fence_base(vgpu) (vgpu->fence.base) +#define vgpu_fence_sz(vgpu) (vgpu->fence.size) + +struct intel_vgpu_creation_params { + __u64 handle; + __u64 low_gm_sz; /* in MB */ + __u64 high_gm_sz; /* in MB */ + __u64 fence_sz; + __u64 resolution; + __s32 primary; + __u64 vgpu_id; + + __u32 weight; +}; + +int intel_vgpu_alloc_resource(struct intel_vgpu *vgpu, + struct intel_vgpu_creation_params *param); +void intel_vgpu_reset_resource(struct intel_vgpu *vgpu); +void intel_vgpu_free_resource(struct intel_vgpu *vgpu); +void intel_vgpu_write_fence(struct intel_vgpu *vgpu, + u32 fence, u64 value); + +/* Macros for easily accessing vGPU virtual/shadow register. + Explicitly seperate use for typed MMIO reg or real offset.*/ +#define vgpu_vreg_t(vgpu, reg) \ + (*(u32 *)(vgpu->mmio.vreg + i915_mmio_reg_offset(reg))) +#define vgpu_vreg(vgpu, offset) \ + (*(u32 *)(vgpu->mmio.vreg + (offset))) +#define vgpu_vreg64_t(vgpu, reg) \ + (*(u64 *)(vgpu->mmio.vreg + i915_mmio_reg_offset(reg))) +#define vgpu_vreg64(vgpu, offset) \ + (*(u64 *)(vgpu->mmio.vreg + (offset))) +#define vgpu_sreg_t(vgpu, reg) \ + (*(u32 *)(vgpu->mmio.sreg + i915_mmio_reg_offset(reg))) +#define vgpu_sreg(vgpu, offset) \ + (*(u32 *)(vgpu->mmio.sreg + (offset))) + +#define for_each_active_vgpu(gvt, vgpu, id) \ + idr_for_each_entry((&(gvt)->vgpu_idr), (vgpu), (id)) \ + for_each_if(vgpu->active) + +static inline void intel_vgpu_write_pci_bar(struct intel_vgpu *vgpu, + u32 offset, u32 val, bool low) +{ + u32 *pval; + + /* BAR offset should be 32 bits algiend */ + offset = rounddown(offset, 4); + pval = (u32 *)(vgpu_cfg_space(vgpu) + offset); + + if (low) { + /* + * only update bit 31 - bit 4, + * leave the bit 3 - bit 0 unchanged. + */ + *pval = (val & GENMASK(31, 4)) | (*pval & GENMASK(3, 0)); + } else { + *pval = val; + } +} + +int intel_gvt_init_vgpu_types(struct intel_gvt *gvt); +void intel_gvt_clean_vgpu_types(struct intel_gvt *gvt); + +struct intel_vgpu *intel_gvt_create_idle_vgpu(struct intel_gvt *gvt); +void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu); +struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, + struct intel_vgpu_type *type); +void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_release_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, + unsigned int engine_mask); +void intel_gvt_reset_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_deactivate_vgpu(struct intel_vgpu *vgpu); + +/* validating GM functions */ +#define vgpu_gmadr_is_aperture(vgpu, gmadr) \ + ((gmadr >= vgpu_aperture_gmadr_base(vgpu)) && \ + (gmadr <= vgpu_aperture_gmadr_end(vgpu))) + +#define vgpu_gmadr_is_hidden(vgpu, gmadr) \ + ((gmadr >= vgpu_hidden_gmadr_base(vgpu)) && \ + (gmadr <= vgpu_hidden_gmadr_end(vgpu))) + +#define vgpu_gmadr_is_valid(vgpu, gmadr) \ + ((vgpu_gmadr_is_aperture(vgpu, gmadr) || \ + (vgpu_gmadr_is_hidden(vgpu, gmadr)))) + +#define gvt_gmadr_is_aperture(gvt, gmadr) \ + ((gmadr >= gvt_aperture_gmadr_base(gvt)) && \ + (gmadr <= gvt_aperture_gmadr_end(gvt))) + +#define gvt_gmadr_is_hidden(gvt, gmadr) \ + ((gmadr >= gvt_hidden_gmadr_base(gvt)) && \ + (gmadr <= gvt_hidden_gmadr_end(gvt))) + +#define gvt_gmadr_is_valid(gvt, gmadr) \ + (gvt_gmadr_is_aperture(gvt, gmadr) || \ + gvt_gmadr_is_hidden(gvt, gmadr)) + +bool intel_gvt_ggtt_validate_range(struct intel_vgpu *vgpu, u64 addr, u32 size); +int intel_gvt_ggtt_gmadr_g2h(struct intel_vgpu *vgpu, u64 g_addr, u64 *h_addr); +int intel_gvt_ggtt_gmadr_h2g(struct intel_vgpu *vgpu, u64 h_addr, u64 *g_addr); +int intel_gvt_ggtt_index_g2h(struct intel_vgpu *vgpu, unsigned long g_index, + unsigned long *h_index); +int intel_gvt_ggtt_h2g_index(struct intel_vgpu *vgpu, unsigned long h_index, + unsigned long *g_index); + +void intel_vgpu_init_cfg_space(struct intel_vgpu *vgpu, + bool primary); +void intel_vgpu_reset_cfg_space(struct intel_vgpu *vgpu); + +int intel_vgpu_emulate_cfg_read(struct intel_vgpu *vgpu, unsigned int offset, + void *p_data, unsigned int bytes); + +int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset, + void *p_data, unsigned int bytes); + +static inline u64 intel_vgpu_get_bar_gpa(struct intel_vgpu *vgpu, int bar) +{ + /* We are 64bit bar. */ + return (*(u64 *)(vgpu->cfg_space.virtual_cfg_space + bar)) & + PCI_BASE_ADDRESS_MEM_MASK; +} + +void intel_vgpu_clean_opregion(struct intel_vgpu *vgpu); +int intel_vgpu_init_opregion(struct intel_vgpu *vgpu); +int intel_vgpu_opregion_base_write_handler(struct intel_vgpu *vgpu, u32 gpa); + +int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci); +void populate_pvinfo_page(struct intel_vgpu *vgpu); + +int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload); +void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason); + +struct intel_gvt_ops { + int (*emulate_cfg_read)(struct intel_vgpu *, unsigned int, void *, + unsigned int); + int (*emulate_cfg_write)(struct intel_vgpu *, unsigned int, void *, + unsigned int); + int (*emulate_mmio_read)(struct intel_vgpu *, u64, void *, + unsigned int); + int (*emulate_mmio_write)(struct intel_vgpu *, u64, void *, + unsigned int); + struct intel_vgpu *(*vgpu_create)(struct intel_gvt *, + struct intel_vgpu_type *); + void (*vgpu_destroy)(struct intel_vgpu *vgpu); + void (*vgpu_release)(struct intel_vgpu *vgpu); + void (*vgpu_reset)(struct intel_vgpu *); + void (*vgpu_activate)(struct intel_vgpu *); + void (*vgpu_deactivate)(struct intel_vgpu *); + struct intel_vgpu_type *(*gvt_find_vgpu_type)(struct intel_gvt *gvt, + const char *name); + bool (*get_gvt_attrs)(struct attribute ***type_attrs, + struct attribute_group ***intel_vgpu_type_groups); + int (*vgpu_query_plane)(struct intel_vgpu *vgpu, void *); + int (*vgpu_get_dmabuf)(struct intel_vgpu *vgpu, unsigned int); + int (*write_protect_handler)(struct intel_vgpu *, u64, void *, + unsigned int); +}; + + +enum { + GVT_FAILSAFE_UNSUPPORTED_GUEST, + GVT_FAILSAFE_INSUFFICIENT_RESOURCE, + GVT_FAILSAFE_GUEST_ERR, +}; + +static inline void mmio_hw_access_pre(struct drm_i915_private *dev_priv) +{ + intel_runtime_pm_get(dev_priv); +} + +static inline void mmio_hw_access_post(struct drm_i915_private *dev_priv) +{ + intel_runtime_pm_put(dev_priv); +} + +/** + * intel_gvt_mmio_set_accessed - mark a MMIO has been accessed + * @gvt: a GVT device + * @offset: register offset + * + */ +static inline void intel_gvt_mmio_set_accessed( + struct intel_gvt *gvt, unsigned int offset) +{ + gvt->mmio.mmio_attribute[offset >> 2] |= F_ACCESSED; +} + +/** + * intel_gvt_mmio_is_cmd_accessed - mark a MMIO could be accessed by command + * @gvt: a GVT device + * @offset: register offset + * + */ +static inline bool intel_gvt_mmio_is_cmd_access( + struct intel_gvt *gvt, unsigned int offset) +{ + return gvt->mmio.mmio_attribute[offset >> 2] & F_CMD_ACCESS; +} + +/** + * intel_gvt_mmio_is_unalign - mark a MMIO could be accessed unaligned + * @gvt: a GVT device + * @offset: register offset + * + */ +static inline bool intel_gvt_mmio_is_unalign( + struct intel_gvt *gvt, unsigned int offset) +{ + return gvt->mmio.mmio_attribute[offset >> 2] & F_UNALIGN; +} + +/** + * intel_gvt_mmio_set_cmd_accessed - mark a MMIO has been accessed by command + * @gvt: a GVT device + * @offset: register offset + * + */ +static inline void intel_gvt_mmio_set_cmd_accessed( + struct intel_gvt *gvt, unsigned int offset) +{ + gvt->mmio.mmio_attribute[offset >> 2] |= F_CMD_ACCESSED; +} + +/** + * intel_gvt_mmio_has_mode_mask - if a MMIO has a mode mask + * @gvt: a GVT device + * @offset: register offset + * + * Returns: + * True if a MMIO has a mode mask in its higher 16 bits, false if it isn't. + * + */ +static inline bool intel_gvt_mmio_has_mode_mask( + struct intel_gvt *gvt, unsigned int offset) +{ + return gvt->mmio.mmio_attribute[offset >> 2] & F_MODE_MASK; +} + +/** + * intel_gvt_mmio_is_in_ctx - check if a MMIO has in-ctx mask + * @gvt: a GVT device + * @offset: register offset + * + * Returns: + * True if a MMIO has a in-context mask, false if it isn't. + * + */ +static inline bool intel_gvt_mmio_is_in_ctx( + struct intel_gvt *gvt, unsigned int offset) +{ + return gvt->mmio.mmio_attribute[offset >> 2] & F_IN_CTX; +} + +/** + * intel_gvt_mmio_set_in_ctx - mask a MMIO in logical context + * @gvt: a GVT device + * @offset: register offset + * + */ +static inline void intel_gvt_mmio_set_in_ctx( + struct intel_gvt *gvt, unsigned int offset) +{ + gvt->mmio.mmio_attribute[offset >> 2] |= F_IN_CTX; +} + +int intel_gvt_debugfs_add_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu); +int intel_gvt_debugfs_init(struct intel_gvt *gvt); +void intel_gvt_debugfs_clean(struct intel_gvt *gvt); + + +#include "trace.h" +#include "mpt.h" + +#endif -- cgit v1.2.3