diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 204 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/execlist.c | 99 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/execlist.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 91 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio_context.c | 111 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio_context.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/sched_policy.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/scheduler.c | 235 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/scheduler.h | 9 |
11 files changed, 367 insertions, 412 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 73a2891114a4..9e065ad0658f 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -462,7 +462,7 @@ enum { struct parser_exec_state { struct intel_vgpu *vgpu; - int ring_id; + const struct intel_engine_cs *engine; int buf_type; @@ -635,39 +635,42 @@ static const struct decode_info *ring_decode_info[I915_NUM_ENGINES][8] = { }, }; -static inline u32 get_opcode(u32 cmd, int ring_id) +static inline u32 get_opcode(u32 cmd, const struct intel_engine_cs *engine) { const struct decode_info *d_info; - d_info = ring_decode_info[ring_id][CMD_TYPE(cmd)]; + d_info = ring_decode_info[engine->id][CMD_TYPE(cmd)]; if (d_info == NULL) return INVALID_OP; return cmd >> (32 - d_info->op_len); } -static inline const struct cmd_info *find_cmd_entry(struct intel_gvt *gvt, - unsigned int opcode, int ring_id) +static inline const struct cmd_info * +find_cmd_entry(struct intel_gvt *gvt, unsigned int opcode, + const struct intel_engine_cs *engine) { struct cmd_entry *e; hash_for_each_possible(gvt->cmd_table, e, hlist, opcode) { - if (opcode == e->info->opcode && e->info->rings & BIT(ring_id)) + if (opcode == e->info->opcode && + e->info->rings & engine->mask) return e->info; } return NULL; } -static inline const struct cmd_info *get_cmd_info(struct intel_gvt *gvt, - u32 cmd, int ring_id) +static inline const struct cmd_info * +get_cmd_info(struct intel_gvt *gvt, u32 cmd, + const struct intel_engine_cs *engine) { u32 opcode; - opcode = get_opcode(cmd, ring_id); + opcode = get_opcode(cmd, engine); if (opcode == INVALID_OP) return NULL; - return find_cmd_entry(gvt, opcode, ring_id); + return find_cmd_entry(gvt, opcode, engine); } static inline u32 sub_op_val(u32 cmd, u32 hi, u32 low) @@ -675,12 +678,12 @@ static inline u32 sub_op_val(u32 cmd, u32 hi, u32 low) return (cmd >> low) & ((1U << (hi - low + 1)) - 1); } -static inline void print_opcode(u32 cmd, int ring_id) +static inline void print_opcode(u32 cmd, const struct intel_engine_cs *engine) { const struct decode_info *d_info; int i; - d_info = ring_decode_info[ring_id][CMD_TYPE(cmd)]; + d_info = ring_decode_info[engine->id][CMD_TYPE(cmd)]; if (d_info == NULL) return; @@ -709,10 +712,11 @@ static void parser_exec_state_dump(struct parser_exec_state *s) int cnt = 0; int i; - gvt_dbg_cmd(" vgpu%d RING%d: ring_start(%08lx) ring_end(%08lx)" - " ring_head(%08lx) ring_tail(%08lx)\n", s->vgpu->id, - s->ring_id, s->ring_start, s->ring_start + s->ring_size, - s->ring_head, s->ring_tail); + gvt_dbg_cmd(" vgpu%d RING%s: ring_start(%08lx) ring_end(%08lx)" + " ring_head(%08lx) ring_tail(%08lx)\n", + s->vgpu->id, s->engine->name, + s->ring_start, s->ring_start + s->ring_size, + s->ring_head, s->ring_tail); gvt_dbg_cmd(" %s %s ip_gma(%08lx) ", s->buf_type == RING_BUFFER_INSTRUCTION ? @@ -729,7 +733,7 @@ static void parser_exec_state_dump(struct parser_exec_state *s) s->ip_va, cmd_val(s, 0), cmd_val(s, 1), cmd_val(s, 2), cmd_val(s, 3)); - print_opcode(cmd_val(s, 0), s->ring_id); + print_opcode(cmd_val(s, 0), s->engine); s->ip_va = (u32 *)((((u64)s->ip_va) >> 12) << 12); @@ -840,7 +844,6 @@ static int force_nonpriv_reg_handler(struct parser_exec_state *s, unsigned int data; u32 ring_base; u32 nopid; - struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; if (!strcmp(cmd, "lri")) data = cmd_val(s, index + 1); @@ -850,7 +853,7 @@ static int force_nonpriv_reg_handler(struct parser_exec_state *s, return -EINVAL; } - ring_base = dev_priv->engine[s->ring_id]->mmio_base; + ring_base = s->engine->mmio_base; nopid = i915_mmio_reg_offset(RING_NOPID(ring_base)); if (!intel_gvt_in_force_nonpriv_whitelist(gvt, data) && @@ -926,9 +929,9 @@ static int cmd_reg_handler(struct parser_exec_state *s, * update reg values in it into vregs, so LRIs in workload with * inhibit context will restore with correct values */ - if (IS_GEN(gvt->dev_priv, 9) && - intel_gvt_mmio_is_in_ctx(gvt, offset) && - !strncmp(cmd, "lri", 3)) { + if (IS_GEN(s->engine->i915, 9) && + intel_gvt_mmio_is_in_ctx(gvt, offset) && + !strncmp(cmd, "lri", 3)) { intel_gvt_hypervisor_read_gpa(s->vgpu, s->workload->ring_context_gpa + 12, &ctx_sr_ctl, 4); /* check inhibit context */ @@ -964,7 +967,6 @@ static int cmd_handler_lri(struct parser_exec_state *s) { int i, ret = 0; int cmd_len = cmd_length(s); - struct intel_gvt *gvt = s->vgpu->gvt; u32 valid_len = CMD_LEN(1); /* @@ -979,8 +981,8 @@ static int cmd_handler_lri(struct parser_exec_state *s) } for (i = 1; i < cmd_len; i += 2) { - if (IS_BROADWELL(gvt->dev_priv) && s->ring_id != RCS0) { - if (s->ring_id == BCS0 && + if (IS_BROADWELL(s->engine->i915) && s->engine->id != RCS0) { + if (s->engine->id == BCS0 && cmd_reg(s, i) == i915_mmio_reg_offset(DERRMR)) ret |= 0; else @@ -1001,9 +1003,9 @@ static int cmd_handler_lrr(struct parser_exec_state *s) int cmd_len = cmd_length(s); for (i = 1; i < cmd_len; i += 2) { - if (IS_BROADWELL(s->vgpu->gvt->dev_priv)) + if (IS_BROADWELL(s->engine->i915)) ret |= ((cmd_reg_inhibit(s, i) || - (cmd_reg_inhibit(s, i + 1)))) ? + (cmd_reg_inhibit(s, i + 1)))) ? -EBADRQC : 0; if (ret) break; @@ -1029,7 +1031,7 @@ static int cmd_handler_lrm(struct parser_exec_state *s) int cmd_len = cmd_length(s); for (i = 1; i < cmd_len;) { - if (IS_BROADWELL(gvt->dev_priv)) + if (IS_BROADWELL(s->engine->i915)) ret |= (cmd_reg_inhibit(s, i)) ? -EBADRQC : 0; if (ret) break; @@ -1141,7 +1143,7 @@ static int cmd_handler_pipe_control(struct parser_exec_state *s) if (ret) return ret; if (index_mode) { - hws_pga = s->vgpu->hws_pga[s->ring_id]; + hws_pga = s->vgpu->hws_pga[s->engine->id]; gma = hws_pga + gma; patch_value(s, cmd_ptr(s, 2), gma); val = cmd_val(s, 1) & (~(1 << 21)); @@ -1155,15 +1157,15 @@ static int cmd_handler_pipe_control(struct parser_exec_state *s) return ret; if (cmd_val(s, 1) & PIPE_CONTROL_NOTIFY) - set_bit(cmd_interrupt_events[s->ring_id].pipe_control_notify, - s->workload->pending_events); + set_bit(cmd_interrupt_events[s->engine->id].pipe_control_notify, + s->workload->pending_events); return 0; } static int cmd_handler_mi_user_interrupt(struct parser_exec_state *s) { - set_bit(cmd_interrupt_events[s->ring_id].mi_user_interrupt, - s->workload->pending_events); + set_bit(cmd_interrupt_events[s->engine->id].mi_user_interrupt, + s->workload->pending_events); patch_value(s, cmd_ptr(s, 0), MI_NOOP); return 0; } @@ -1213,7 +1215,7 @@ struct plane_code_mapping { static int gen8_decode_mi_display_flip(struct parser_exec_state *s, struct mi_display_flip_command_info *info) { - struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = s->engine->i915; struct plane_code_mapping gen8_plane_code[] = { [0] = {PIPE_A, PLANE_A, PRIMARY_A_FLIP_DONE}, [1] = {PIPE_B, PLANE_A, PRIMARY_B_FLIP_DONE}, @@ -1259,7 +1261,7 @@ static int gen8_decode_mi_display_flip(struct parser_exec_state *s, static int skl_decode_mi_display_flip(struct parser_exec_state *s, struct mi_display_flip_command_info *info) { - struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = s->engine->i915; struct intel_vgpu *vgpu = s->vgpu; u32 dword0 = cmd_val(s, 0); u32 dword1 = cmd_val(s, 1); @@ -1318,13 +1320,12 @@ static int skl_decode_mi_display_flip(struct parser_exec_state *s, static int gen8_check_mi_display_flip(struct parser_exec_state *s, struct mi_display_flip_command_info *info) { - struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; u32 stride, tile; if (!info->async_flip) return 0; - if (INTEL_GEN(dev_priv) >= 9) { + if (INTEL_GEN(s->engine->i915) >= 9) { stride = vgpu_vreg_t(s->vgpu, info->stride_reg) & GENMASK(9, 0); tile = (vgpu_vreg_t(s->vgpu, info->ctrl_reg) & GENMASK(12, 10)) >> 10; @@ -1347,7 +1348,7 @@ static int gen8_update_plane_mmio_from_mi_display_flip( struct parser_exec_state *s, struct mi_display_flip_command_info *info) { - struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; + struct drm_i915_private *dev_priv = s->engine->i915; struct intel_vgpu *vgpu = s->vgpu; set_mask_bits(&vgpu_vreg_t(vgpu, info->surf_reg), GENMASK(31, 12), @@ -1378,11 +1379,9 @@ static int gen8_update_plane_mmio_from_mi_display_flip( static int decode_mi_display_flip(struct parser_exec_state *s, struct mi_display_flip_command_info *info) { - struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; - - if (IS_BROADWELL(dev_priv)) + if (IS_BROADWELL(s->engine->i915)) return gen8_decode_mi_display_flip(s, info); - if (INTEL_GEN(dev_priv) >= 9) + if (INTEL_GEN(s->engine->i915) >= 9) return skl_decode_mi_display_flip(s, info); return -ENODEV; @@ -1667,7 +1666,7 @@ static int cmd_handler_mi_flush_dw(struct parser_exec_state *s) if (ret) return ret; if (index_mode) { - hws_pga = s->vgpu->hws_pga[s->ring_id]; + hws_pga = s->vgpu->hws_pga[s->engine->id]; gma = hws_pga + gma; patch_value(s, cmd_ptr(s, 1), gma); val = cmd_val(s, 0) & (~(1 << 21)); @@ -1676,8 +1675,8 @@ static int cmd_handler_mi_flush_dw(struct parser_exec_state *s) } /* Check notify bit */ if ((cmd_val(s, 0) & (1 << 8))) - set_bit(cmd_interrupt_events[s->ring_id].mi_flush_dw, - s->workload->pending_events); + set_bit(cmd_interrupt_events[s->engine->id].mi_flush_dw, + s->workload->pending_events); return ret; } @@ -1725,12 +1724,18 @@ static int copy_gma_to_hva(struct intel_vgpu *vgpu, struct intel_vgpu_mm *mm, static int batch_buffer_needs_scan(struct parser_exec_state *s) { /* Decide privilege based on address space */ - if (cmd_val(s, 0) & (1 << 8) && - !(s->vgpu->scan_nonprivbb & (1 << s->ring_id))) + if (cmd_val(s, 0) & BIT(8) && + !(s->vgpu->scan_nonprivbb & s->engine->mask)) return 0; + return 1; } +static const char *repr_addr_type(unsigned int type) +{ + return type == PPGTT_BUFFER ? "ppgtt" : "ggtt"; +} + static int find_bb_size(struct parser_exec_state *s, unsigned long *bb_size, unsigned long *bb_end_cmd_offset) @@ -1753,24 +1758,24 @@ static int find_bb_size(struct parser_exec_state *s, return -EFAULT; cmd = cmd_val(s, 0); - info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); + info = get_cmd_info(s->vgpu->gvt, cmd, s->engine); if (info == NULL) { - gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %d, workload=%p\n", - cmd, get_opcode(cmd, s->ring_id), - (s->buf_addr_type == PPGTT_BUFFER) ? - "ppgtt" : "ggtt", s->ring_id, s->workload); + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %s, workload=%p\n", + cmd, get_opcode(cmd, s->engine), + repr_addr_type(s->buf_addr_type), + s->engine->name, s->workload); return -EBADRQC; } do { if (copy_gma_to_hva(s->vgpu, mm, - gma, gma + 4, &cmd) < 0) + gma, gma + 4, &cmd) < 0) return -EFAULT; - info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); + info = get_cmd_info(s->vgpu->gvt, cmd, s->engine); if (info == NULL) { - gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %d, workload=%p\n", - cmd, get_opcode(cmd, s->ring_id), - (s->buf_addr_type == PPGTT_BUFFER) ? - "ppgtt" : "ggtt", s->ring_id, s->workload); + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %s, workload=%p\n", + cmd, get_opcode(cmd, s->engine), + repr_addr_type(s->buf_addr_type), + s->engine->name, s->workload); return -EBADRQC; } @@ -1799,12 +1804,12 @@ static int audit_bb_end(struct parser_exec_state *s, void *va) u32 cmd = *(u32 *)va; const struct cmd_info *info; - info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); + info = get_cmd_info(s->vgpu->gvt, cmd, s->engine); if (info == NULL) { - gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %d, workload=%p\n", - cmd, get_opcode(cmd, s->ring_id), - (s->buf_addr_type == PPGTT_BUFFER) ? - "ppgtt" : "ggtt", s->ring_id, s->workload); + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %s, workload=%p\n", + cmd, get_opcode(cmd, s->engine), + repr_addr_type(s->buf_addr_type), + s->engine->name, s->workload); return -EBADRQC; } @@ -1857,7 +1862,7 @@ static int perform_bb_shadow(struct parser_exec_state *s) if (bb->ppgtt) start_offset = gma & ~I915_GTT_PAGE_MASK; - bb->obj = i915_gem_object_create_shmem(s->vgpu->gvt->dev_priv, + bb->obj = i915_gem_object_create_shmem(s->engine->i915, round_up(bb_size + start_offset, PAGE_SIZE)); if (IS_ERR(bb->obj)) { @@ -2666,25 +2671,25 @@ static int cmd_parser_exec(struct parser_exec_state *s) if (cmd == MI_NOOP) info = &cmd_info[mi_noop_index]; else - info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); + info = get_cmd_info(s->vgpu->gvt, cmd, s->engine); if (info == NULL) { - gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %d, workload=%p\n", - cmd, get_opcode(cmd, s->ring_id), - (s->buf_addr_type == PPGTT_BUFFER) ? - "ppgtt" : "ggtt", s->ring_id, s->workload); + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x, addr_type=%s, ring %s, workload=%p\n", + cmd, get_opcode(cmd, s->engine), + repr_addr_type(s->buf_addr_type), + s->engine->name, s->workload); return -EBADRQC; } s->info = info; - trace_gvt_command(vgpu->id, s->ring_id, s->ip_gma, s->ip_va, + trace_gvt_command(vgpu->id, s->engine->id, s->ip_gma, s->ip_va, cmd_length(s), s->buf_type, s->buf_addr_type, s->workload, info->name); if ((info->flag & F_LEN_MASK) == F_LEN_VAR_FIXED) { ret = gvt_check_valid_cmd_length(cmd_length(s), - info->valid_len); + info->valid_len); if (ret) return ret; } @@ -2781,7 +2786,7 @@ static int scan_workload(struct intel_vgpu_workload *workload) s.buf_type = RING_BUFFER_INSTRUCTION; s.buf_addr_type = GTT_BUFFER; s.vgpu = workload->vgpu; - s.ring_id = workload->ring_id; + s.engine = workload->engine; s.ring_start = workload->rb_start; s.ring_size = _RING_CTL_BUF_SIZE(workload->rb_ctl); s.ring_head = gma_head; @@ -2790,8 +2795,7 @@ static int scan_workload(struct intel_vgpu_workload *workload) s.workload = workload; s.is_ctx_wa = false; - if ((bypass_scan_mask & (1 << workload->ring_id)) || - gma_head == gma_tail) + if (bypass_scan_mask & workload->engine->mask || gma_head == gma_tail) return 0; ret = ip_gma_set(&s, gma_head); @@ -2830,7 +2834,7 @@ static int scan_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) s.buf_type = RING_BUFFER_INSTRUCTION; s.buf_addr_type = GTT_BUFFER; s.vgpu = workload->vgpu; - s.ring_id = workload->ring_id; + s.engine = workload->engine; s.ring_start = wa_ctx->indirect_ctx.guest_gma; s.ring_size = ring_size; s.ring_head = gma_head; @@ -2855,7 +2859,6 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload) struct intel_vgpu_submission *s = &vgpu->submission; unsigned long gma_head, gma_tail, gma_top, guest_rb_size; void *shadow_ring_buffer_va; - int ring_id = workload->ring_id; int ret; guest_rb_size = _RING_CTL_BUF_SIZE(workload->rb_ctl); @@ -2868,21 +2871,21 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload) gma_tail = workload->rb_start + workload->rb_tail; gma_top = workload->rb_start + guest_rb_size; - if (workload->rb_len > s->ring_scan_buffer_size[ring_id]) { + if (workload->rb_len > s->ring_scan_buffer_size[workload->engine->id]) { void *p; /* realloc the new ring buffer if needed */ - p = krealloc(s->ring_scan_buffer[ring_id], workload->rb_len, - GFP_KERNEL); + p = krealloc(s->ring_scan_buffer[workload->engine->id], + workload->rb_len, GFP_KERNEL); if (!p) { gvt_vgpu_err("fail to re-alloc ring scan buffer\n"); return -ENOMEM; } - s->ring_scan_buffer[ring_id] = p; - s->ring_scan_buffer_size[ring_id] = workload->rb_len; + s->ring_scan_buffer[workload->engine->id] = p; + s->ring_scan_buffer_size[workload->engine->id] = workload->rb_len; } - shadow_ring_buffer_va = s->ring_scan_buffer[ring_id]; + shadow_ring_buffer_va = s->ring_scan_buffer[workload->engine->id]; /* get shadow ring buffer va */ workload->shadow_ring_buffer_va = shadow_ring_buffer_va; @@ -2940,7 +2943,7 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx) int ret = 0; void *map; - obj = i915_gem_object_create_shmem(workload->vgpu->gvt->dev_priv, + obj = i915_gem_object_create_shmem(workload->engine->i915, roundup(ctx_size + CACHELINE_BYTES, PAGE_SIZE)); if (IS_ERR(obj)) @@ -3029,30 +3032,14 @@ int intel_gvt_scan_and_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) return 0; } -static const struct cmd_info *find_cmd_entry_any_ring(struct intel_gvt *gvt, - unsigned int opcode, unsigned long rings) -{ - const struct cmd_info *info = NULL; - unsigned int ring; - - for_each_set_bit(ring, &rings, I915_NUM_ENGINES) { - info = find_cmd_entry(gvt, opcode, ring); - if (info) - break; - } - return info; -} - static int init_cmd_table(struct intel_gvt *gvt) { + unsigned int gen_type = intel_gvt_get_device_type(gvt); int i; - struct cmd_entry *e; - const struct cmd_info *info; - unsigned int gen_type; - - gen_type = intel_gvt_get_device_type(gvt); for (i = 0; i < ARRAY_SIZE(cmd_info); i++) { + struct cmd_entry *e; + if (!(cmd_info[i].devices & gen_type)) continue; @@ -3061,23 +3048,16 @@ static int init_cmd_table(struct intel_gvt *gvt) return -ENOMEM; e->info = &cmd_info[i]; - info = find_cmd_entry_any_ring(gvt, - e->info->opcode, e->info->rings); - if (info) { - gvt_err("%s %s duplicated\n", e->info->name, - info->name); - kfree(e); - return -EEXIST; - } if (cmd_info[i].opcode == OP_MI_NOOP) mi_noop_index = i; INIT_HLIST_NODE(&e->hlist); add_cmd_entry(gvt, e); gvt_dbg_cmd("add %-30s op %04x flag %x devs %02x rings %02x\n", - e->info->name, e->info->opcode, e->info->flag, - e->info->devices, e->info->rings); + e->info->name, e->info->opcode, e->info->flag, + e->info->devices, e->info->rings); } + return 0; } diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index d6e7a1189bad..b8aa07c8bcc0 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -39,8 +39,7 @@ #define _EL_OFFSET_STATUS_BUF 0x370 #define _EL_OFFSET_STATUS_PTR 0x3A0 -#define execlist_ring_mmio(gvt, ring_id, offset) \ - (gvt->dev_priv->engine[ring_id]->mmio_base + (offset)) +#define execlist_ring_mmio(e, offset) ((e)->mmio_base + (offset)) #define valid_context(ctx) ((ctx)->valid) #define same_context(a, b) (((a)->context_id == (b)->context_id) && \ @@ -54,12 +53,12 @@ static int context_switch_events[] = { [VECS0] = VECS_AS_CONTEXT_SWITCH, }; -static int ring_id_to_context_switch_event(unsigned int ring_id) +static int to_context_switch_event(const struct intel_engine_cs *engine) { - if (WARN_ON(ring_id >= ARRAY_SIZE(context_switch_events))) + if (WARN_ON(engine->id >= ARRAY_SIZE(context_switch_events))) return -EINVAL; - return context_switch_events[ring_id]; + return context_switch_events[engine->id]; } static void switch_virtual_execlist_slot(struct intel_vgpu_execlist *execlist) @@ -93,9 +92,8 @@ static void emulate_execlist_status(struct intel_vgpu_execlist *execlist) struct execlist_ctx_descriptor_format *desc = execlist->running_context; struct intel_vgpu *vgpu = execlist->vgpu; struct execlist_status_format status; - int ring_id = execlist->ring_id; - u32 status_reg = execlist_ring_mmio(vgpu->gvt, - ring_id, _EL_OFFSET_STATUS); + u32 status_reg = + execlist_ring_mmio(execlist->engine, _EL_OFFSET_STATUS); status.ldw = vgpu_vreg(vgpu, status_reg); status.udw = vgpu_vreg(vgpu, status_reg + 4); @@ -124,21 +122,19 @@ static void emulate_execlist_status(struct intel_vgpu_execlist *execlist) } static void emulate_csb_update(struct intel_vgpu_execlist *execlist, - struct execlist_context_status_format *status, - bool trigger_interrupt_later) + struct execlist_context_status_format *status, + bool trigger_interrupt_later) { struct intel_vgpu *vgpu = execlist->vgpu; - int ring_id = execlist->ring_id; struct execlist_context_status_pointer_format ctx_status_ptr; u32 write_pointer; u32 ctx_status_ptr_reg, ctx_status_buf_reg, offset; unsigned long hwsp_gpa; - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - ctx_status_ptr_reg = execlist_ring_mmio(vgpu->gvt, ring_id, - _EL_OFFSET_STATUS_PTR); - ctx_status_buf_reg = execlist_ring_mmio(vgpu->gvt, ring_id, - _EL_OFFSET_STATUS_BUF); + ctx_status_ptr_reg = + execlist_ring_mmio(execlist->engine, _EL_OFFSET_STATUS_PTR); + ctx_status_buf_reg = + execlist_ring_mmio(execlist->engine, _EL_OFFSET_STATUS_BUF); ctx_status_ptr.dw = vgpu_vreg(vgpu, ctx_status_ptr_reg); @@ -161,26 +157,24 @@ static void emulate_csb_update(struct intel_vgpu_execlist *execlist, /* Update the CSB and CSB write pointer in HWSP */ hwsp_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, - vgpu->hws_pga[ring_id]); + vgpu->hws_pga[execlist->engine->id]); if (hwsp_gpa != INTEL_GVT_INVALID_ADDR) { intel_gvt_hypervisor_write_gpa(vgpu, - hwsp_gpa + I915_HWS_CSB_BUF0_INDEX * 4 + - write_pointer * 8, - status, 8); + hwsp_gpa + I915_HWS_CSB_BUF0_INDEX * 4 + write_pointer * 8, + status, 8); intel_gvt_hypervisor_write_gpa(vgpu, - hwsp_gpa + - intel_hws_csb_write_index(dev_priv) * 4, - &write_pointer, 4); + hwsp_gpa + intel_hws_csb_write_index(execlist->engine->i915) * 4, + &write_pointer, 4); } gvt_dbg_el("vgpu%d: w pointer %u reg %x csb l %x csb h %x\n", - vgpu->id, write_pointer, offset, status->ldw, status->udw); + vgpu->id, write_pointer, offset, status->ldw, status->udw); if (trigger_interrupt_later) return; intel_vgpu_trigger_virtual_event(vgpu, - ring_id_to_context_switch_event(execlist->ring_id)); + to_context_switch_event(execlist->engine)); } static int emulate_execlist_ctx_schedule_out( @@ -261,9 +255,8 @@ static struct intel_vgpu_execlist_slot *get_next_execlist_slot( struct intel_vgpu_execlist *execlist) { struct intel_vgpu *vgpu = execlist->vgpu; - int ring_id = execlist->ring_id; - u32 status_reg = execlist_ring_mmio(vgpu->gvt, ring_id, - _EL_OFFSET_STATUS); + u32 status_reg = + execlist_ring_mmio(execlist->engine, _EL_OFFSET_STATUS); struct execlist_status_format status; status.ldw = vgpu_vreg(vgpu, status_reg); @@ -379,7 +372,6 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload) struct intel_vgpu *vgpu = workload->vgpu; struct intel_vgpu_submission *s = &vgpu->submission; struct execlist_ctx_descriptor_format ctx[2]; - int ring_id = workload->ring_id; int ret; if (!workload->emulate_schedule_in) @@ -388,7 +380,8 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload) ctx[0] = *get_desc_from_elsp_dwords(&workload->elsp_dwords, 0); ctx[1] = *get_desc_from_elsp_dwords(&workload->elsp_dwords, 1); - ret = emulate_execlist_schedule_in(&s->execlist[ring_id], ctx); + ret = emulate_execlist_schedule_in(&s->execlist[workload->engine->id], + ctx); if (ret) { gvt_vgpu_err("fail to emulate execlist schedule in\n"); return ret; @@ -399,21 +392,21 @@ static int prepare_execlist_workload(struct intel_vgpu_workload *workload) static int complete_execlist_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; - int ring_id = workload->ring_id; struct intel_vgpu_submission *s = &vgpu->submission; - struct intel_vgpu_execlist *execlist = &s->execlist[ring_id]; + struct intel_vgpu_execlist *execlist = + &s->execlist[workload->engine->id]; struct intel_vgpu_workload *next_workload; - struct list_head *next = workload_q_head(vgpu, ring_id)->next; + struct list_head *next = workload_q_head(vgpu, workload->engine)->next; bool lite_restore = false; int ret = 0; - gvt_dbg_el("complete workload %p status %d\n", workload, - workload->status); + gvt_dbg_el("complete workload %p status %d\n", + workload, workload->status); - if (workload->status || (vgpu->resetting_eng & BIT(ring_id))) + if (workload->status || vgpu->resetting_eng & workload->engine->mask) goto out; - if (!list_empty(workload_q_head(vgpu, ring_id))) { + if (!list_empty(workload_q_head(vgpu, workload->engine))) { struct execlist_ctx_descriptor_format *this_desc, *next_desc; next_workload = container_of(next, @@ -436,14 +429,15 @@ out: return ret; } -static int submit_context(struct intel_vgpu *vgpu, int ring_id, - struct execlist_ctx_descriptor_format *desc, - bool emulate_schedule_in) +static int submit_context(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine, + struct execlist_ctx_descriptor_format *desc, + bool emulate_schedule_in) { struct intel_vgpu_submission *s = &vgpu->submission; struct intel_vgpu_workload *workload = NULL; - workload = intel_vgpu_create_workload(vgpu, ring_id, desc); + workload = intel_vgpu_create_workload(vgpu, engine, desc); if (IS_ERR(workload)) return PTR_ERR(workload); @@ -452,19 +446,20 @@ static int submit_context(struct intel_vgpu *vgpu, int ring_id, workload->emulate_schedule_in = emulate_schedule_in; if (emulate_schedule_in) - workload->elsp_dwords = s->execlist[ring_id].elsp_dwords; + workload->elsp_dwords = s->execlist[engine->id].elsp_dwords; gvt_dbg_el("workload %p emulate schedule_in %d\n", workload, - emulate_schedule_in); + emulate_schedule_in); intel_vgpu_queue_workload(workload); return 0; } -int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id) +int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine) { struct intel_vgpu_submission *s = &vgpu->submission; - struct intel_vgpu_execlist *execlist = &s->execlist[ring_id]; + struct intel_vgpu_execlist *execlist = &s->execlist[engine->id]; struct execlist_ctx_descriptor_format *desc[2]; int i, ret; @@ -489,7 +484,7 @@ int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id) for (i = 0; i < ARRAY_SIZE(desc); i++) { if (!desc[i]->valid) continue; - ret = submit_context(vgpu, ring_id, desc[i], i == 0); + ret = submit_context(vgpu, engine, desc[i], i == 0); if (ret) { gvt_vgpu_err("failed to submit desc %d\n", i); return ret; @@ -504,22 +499,22 @@ inv_desc: return -EINVAL; } -static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id) +static void init_vgpu_execlist(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine) { struct intel_vgpu_submission *s = &vgpu->submission; - struct intel_vgpu_execlist *execlist = &s->execlist[ring_id]; + struct intel_vgpu_execlist *execlist = &s->execlist[engine->id]; struct execlist_context_status_pointer_format ctx_status_ptr; u32 ctx_status_ptr_reg; memset(execlist, 0, sizeof(*execlist)); execlist->vgpu = vgpu; - execlist->ring_id = ring_id; + execlist->engine = engine; execlist->slot[0].index = 0; execlist->slot[1].index = 1; - ctx_status_ptr_reg = execlist_ring_mmio(vgpu->gvt, ring_id, - _EL_OFFSET_STATUS_PTR); + ctx_status_ptr_reg = execlist_ring_mmio(engine, _EL_OFFSET_STATUS_PTR); ctx_status_ptr.dw = vgpu_vreg(vgpu, ctx_status_ptr_reg); ctx_status_ptr.read_ptr = 0; ctx_status_ptr.write_ptr = 0x7; @@ -549,7 +544,7 @@ static void reset_execlist(struct intel_vgpu *vgpu, intel_engine_mask_t tmp; for_each_engine_masked(engine, &dev_priv->gt, engine_mask, tmp) - init_vgpu_execlist(vgpu, engine->id); + init_vgpu_execlist(vgpu, engine); } static int init_execlist(struct intel_vgpu *vgpu, diff --git a/drivers/gpu/drm/i915/gvt/execlist.h b/drivers/gpu/drm/i915/gvt/execlist.h index 5c0c1fd30c83..d62cd14605a3 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.h +++ b/drivers/gpu/drm/i915/gvt/execlist.h @@ -170,16 +170,17 @@ struct intel_vgpu_execlist { struct intel_vgpu_execlist_slot *running_slot; struct intel_vgpu_execlist_slot *pending_slot; struct execlist_ctx_descriptor_format *running_context; - int ring_id; struct intel_vgpu *vgpu; struct intel_vgpu_elsp_dwords elsp_dwords; + const struct intel_engine_cs *engine; }; void intel_vgpu_clean_execlist(struct intel_vgpu *vgpu); int intel_vgpu_init_execlist(struct intel_vgpu *vgpu); -int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id); +int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine); void intel_vgpu_reset_execlist(struct intel_vgpu *vgpu, intel_engine_mask_t engine_mask); diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index 87bed32f1191..0ba3a7c8522f 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -318,6 +318,7 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv) mutex_init(&gvt->lock); mutex_init(&gvt->sched_lock); gvt->dev_priv = dev_priv; + dev_priv->gvt = gvt; init_device_info(gvt); @@ -376,7 +377,6 @@ int intel_gvt_init_device(struct drm_i915_private *dev_priv) intel_gvt_debugfs_init(gvt); gvt_dbg_core("gvt device initialization is done\n"); - dev_priv->gvt = gvt; intel_gvt_host.dev = &dev_priv->drm.pdev->dev; intel_gvt_host.initialized = true; return 0; @@ -402,6 +402,7 @@ out_clean_mmio_info: out_clean_idr: idr_destroy(&gvt->vgpu_idr); kfree(gvt); + dev_priv->gvt = NULL; return ret; } diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 1793f6991fa8..952729b7a87b 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -142,25 +142,25 @@ static int new_mmio_info(struct intel_gvt *gvt, } /** - * intel_gvt_render_mmio_to_ring_id - convert a mmio offset into ring id + * intel_gvt_render_mmio_to_engine - convert a mmio offset into the engine * @gvt: a GVT device * @offset: register offset * * Returns: - * Ring ID on success, negative error code if failed. + * The engine containing the offset within its mmio page. */ -int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt, - unsigned int offset) +const struct intel_engine_cs * +intel_gvt_render_mmio_to_engine(struct intel_gvt *gvt, unsigned int offset) { enum intel_engine_id id; struct intel_engine_cs *engine; offset &= ~GENMASK(11, 0); - for_each_engine(engine, gvt->dev_priv, id) { + for_each_engine(engine, gvt->dev_priv, id) if (engine->mmio_base == offset) - return id; - } - return -ENODEV; + return engine; + + return NULL; } #define offset_to_fence_num(offset) \ @@ -492,7 +492,7 @@ static i915_reg_t force_nonpriv_white_list[] = { }; /* a simple bsearch */ -static inline bool in_whitelist(unsigned int reg) +static inline bool in_whitelist(u32 reg) { int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list); i915_reg_t *array = force_nonpriv_white_list; @@ -514,26 +514,21 @@ static int force_nonpriv_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { u32 reg_nonpriv = (*(u32 *)p_data) & REG_GENMASK(25, 2); - int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset); - u32 ring_base; - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - int ret = -EINVAL; + const struct intel_engine_cs *engine = + intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); - if ((bytes != 4) || ((offset & (bytes - 1)) != 0) || ring_id < 0) { - gvt_err("vgpu(%d) ring %d Invalid FORCE_NONPRIV offset %x(%dB)\n", - vgpu->id, ring_id, offset, bytes); - return ret; + if (bytes != 4 || !IS_ALIGNED(offset, bytes) || !engine) { + gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n", + vgpu->id, offset, bytes); + return -EINVAL; } - ring_base = dev_priv->engine[ring_id]->mmio_base; - - if (in_whitelist(reg_nonpriv) || - reg_nonpriv == i915_mmio_reg_offset(RING_NOPID(ring_base))) { - ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data, - bytes); - } else + if (!in_whitelist(reg_nonpriv) && + reg_nonpriv != i915_mmio_reg_offset(RING_NOPID(engine->mmio_base))) { gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x at offset %x\n", - vgpu->id, *(u32 *)p_data, offset); + vgpu->id, reg_nonpriv, offset); + } else + intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes); return 0; } @@ -1484,7 +1479,8 @@ static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { u32 value = *(u32 *)p_data; - int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset); + const struct intel_engine_cs *engine = + intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); if (!intel_gvt_ggtt_validate_range(vgpu, value, I915_GTT_PAGE_SIZE)) { gvt_vgpu_err("write invalid HWSP address, reg:0x%x, value:0x%x\n", @@ -1496,12 +1492,12 @@ static int hws_pga_write(struct intel_vgpu *vgpu, unsigned int offset, * update the VM CSB status correctly. Here listed registers can * support BDW, SKL or other platforms with same HWSP registers. */ - if (unlikely(ring_id < 0 || ring_id >= I915_NUM_ENGINES)) { + if (unlikely(!engine)) { gvt_vgpu_err("access unknown hardware status page register:0x%x\n", offset); return -EINVAL; } - vgpu->hws_pga[ring_id] = value; + vgpu->hws_pga[engine->id] = value; gvt_dbg_mmio("VM(%d) write: 0x%x to HWSP: 0x%x\n", vgpu->id, value, offset); @@ -1661,22 +1657,20 @@ static int mmio_read_from_hw(struct intel_vgpu *vgpu, { struct intel_gvt *gvt = vgpu->gvt; struct drm_i915_private *dev_priv = gvt->dev_priv; - int ring_id; - u32 ring_base; + const struct intel_engine_cs *engine = + intel_gvt_render_mmio_to_engine(gvt, offset); - ring_id = intel_gvt_render_mmio_to_ring_id(gvt, offset); /** * Read HW reg in following case * a. the offset isn't a ring mmio * b. the offset's ring is running on hw. * c. the offset is ring time stamp mmio */ - if (ring_id >= 0) - ring_base = dev_priv->engine[ring_id]->mmio_base; - if (ring_id < 0 || vgpu == gvt->scheduler.engine_owner[ring_id] || - offset == i915_mmio_reg_offset(RING_TIMESTAMP(ring_base)) || - offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(ring_base))) { + if (!engine || + vgpu == gvt->scheduler.engine_owner[engine->id] || + offset == i915_mmio_reg_offset(RING_TIMESTAMP(engine->mmio_base)) || + offset == i915_mmio_reg_offset(RING_TIMESTAMP_UDW(engine->mmio_base))) { mmio_hw_access_pre(dev_priv); vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset)); mmio_hw_access_post(dev_priv); @@ -1689,22 +1683,22 @@ static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { struct drm_i915_private *i915 = vgpu->gvt->dev_priv; - int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset); + const struct intel_engine_cs *engine = intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); struct intel_vgpu_execlist *execlist; u32 data = *(u32 *)p_data; int ret = 0; - if (drm_WARN_ON(&i915->drm, ring_id < 0 || ring_id >= I915_NUM_ENGINES)) + if (drm_WARN_ON(&i915->drm, !engine)) return -EINVAL; - execlist = &vgpu->submission.execlist[ring_id]; + execlist = &vgpu->submission.execlist[engine->id]; execlist->elsp_dwords.data[3 - execlist->elsp_dwords.index] = data; if (execlist->elsp_dwords.index == 3) { - ret = intel_vgpu_submit_execlist(vgpu, ring_id); + ret = intel_vgpu_submit_execlist(vgpu, engine); if(ret) - gvt_vgpu_err("fail submit workload on ring %d\n", - ring_id); + gvt_vgpu_err("fail submit workload on ring %s\n", + engine->name); } ++execlist->elsp_dwords.index; @@ -1716,7 +1710,8 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { u32 data = *(u32 *)p_data; - int ring_id = intel_gvt_render_mmio_to_ring_id(vgpu->gvt, offset); + const struct intel_engine_cs *engine = + intel_gvt_render_mmio_to_engine(vgpu->gvt, offset); bool enable_execlist; int ret; @@ -1750,16 +1745,16 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, || (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) { enable_execlist = !!(data & GFX_RUN_LIST_ENABLE); - gvt_dbg_core("EXECLIST %s on ring %d\n", - (enable_execlist ? "enabling" : "disabling"), - ring_id); + gvt_dbg_core("EXECLIST %s on ring %s\n", + (enable_execlist ? "enabling" : "disabling"), + engine->name); if (!enable_execlist) return 0; ret = intel_vgpu_select_submission_ops(vgpu, - BIT(ring_id), - INTEL_VGPU_EXECLIST_SUBMISSION); + engine->mask, + INTEL_VGPU_EXECLIST_SUBMISSION); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h index 2e68f4b02c94..cc4812648bf4 100644 --- a/drivers/gpu/drm/i915/gvt/mmio.h +++ b/drivers/gpu/drm/i915/gvt/mmio.h @@ -69,8 +69,8 @@ struct intel_gvt_mmio_info { struct hlist_node node; }; -int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt, - unsigned int reg); +const struct intel_engine_cs * +intel_gvt_render_mmio_to_engine(struct intel_gvt *gvt, unsigned int reg); unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt); bool intel_gvt_match_device(struct intel_gvt *gvt, unsigned long device); diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c index 1213c8e23317..c65042c6d50d 100644 --- a/drivers/gpu/drm/i915/gvt/mmio_context.c +++ b/drivers/gpu/drm/i915/gvt/mmio_context.c @@ -214,13 +214,11 @@ restore_context_mmio_for_inhibit(struct intel_vgpu *vgpu, *cs++ = MI_LOAD_REGISTER_IMM(count); for (mmio = gvt->engine_mmio_list.mmio; i915_mmio_reg_valid(mmio->reg); mmio++) { - if (mmio->ring_id != ring_id || - !mmio->in_context) + if (mmio->id != ring_id || !mmio->in_context) continue; *cs++ = i915_mmio_reg_offset(mmio->reg); - *cs++ = vgpu_vreg_t(vgpu, mmio->reg) | - (mmio->mask << 16); + *cs++ = vgpu_vreg_t(vgpu, mmio->reg) | (mmio->mask << 16); gvt_dbg_core("add lri reg pair 0x%x:0x%x in inhibit ctx, vgpu:%d, rind_id:%d\n", *(cs-2), *(cs-1), vgpu->id, ring_id); } @@ -344,10 +342,10 @@ static u32 gen8_tlb_mmio_offset_list[] = { [VECS0] = 0x4270, }; -static void handle_tlb_pending_event(struct intel_vgpu *vgpu, int ring_id) +static void handle_tlb_pending_event(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - struct intel_uncore *uncore = &dev_priv->uncore; + struct intel_uncore *uncore = engine->uncore; struct intel_vgpu_submission *s = &vgpu->submission; u32 *regs = vgpu->gvt->engine_mmio_list.tlb_mmio_offset_list; u32 cnt = vgpu->gvt->engine_mmio_list.tlb_mmio_offset_list_cnt; @@ -357,13 +355,13 @@ static void handle_tlb_pending_event(struct intel_vgpu *vgpu, int ring_id) if (!regs) return; - if (drm_WARN_ON(&dev_priv->drm, ring_id >= cnt)) + if (drm_WARN_ON(&engine->i915->drm, engine->id >= cnt)) return; - if (!test_and_clear_bit(ring_id, (void *)s->tlb_handle_pending)) + if (!test_and_clear_bit(engine->id, (void *)s->tlb_handle_pending)) return; - reg = _MMIO(regs[ring_id]); + reg = _MMIO(regs[engine->id]); /* WaForceWakeRenderDuringMmioTLBInvalidate:skl * we need to put a forcewake when invalidating RCS TLB caches, @@ -372,30 +370,27 @@ static void handle_tlb_pending_event(struct intel_vgpu *vgpu, int ring_id) */ fw = intel_uncore_forcewake_for_reg(uncore, reg, FW_REG_READ | FW_REG_WRITE); - if (ring_id == RCS0 && INTEL_GEN(dev_priv) >= 9) + if (engine->id == RCS0 && INTEL_GEN(engine->i915) >= 9) fw |= FORCEWAKE_RENDER; intel_uncore_forcewake_get(uncore, fw); intel_uncore_write_fw(uncore, reg, 0x1); - if (wait_for_atomic((intel_uncore_read_fw(uncore, reg) == 0), 50)) - gvt_vgpu_err("timeout in invalidate ring (%d) tlb\n", ring_id); + if (wait_for_atomic(intel_uncore_read_fw(uncore, reg) == 0, 50)) + gvt_vgpu_err("timeout in invalidate ring %s tlb\n", + engine->name); else vgpu_vreg_t(vgpu, reg) = 0; intel_uncore_forcewake_put(uncore, fw); - gvt_dbg_core("invalidate TLB for ring %d\n", ring_id); + gvt_dbg_core("invalidate TLB for ring %s\n", engine->name); } static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next, - int ring_id) + const struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv; - i915_reg_t offset, l3_offset; - u32 old_v, new_v; - u32 regs[] = { [RCS0] = 0xc800, [VCS0] = 0xc900, @@ -403,36 +398,38 @@ static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next, [BCS0] = 0xcc00, [VECS0] = 0xcb00, }; + struct intel_uncore *uncore = engine->uncore; + i915_reg_t offset, l3_offset; + u32 old_v, new_v; int i; - dev_priv = pre ? pre->gvt->dev_priv : next->gvt->dev_priv; - if (drm_WARN_ON(&dev_priv->drm, ring_id >= ARRAY_SIZE(regs))) + if (drm_WARN_ON(&engine->i915->drm, engine->id >= ARRAY_SIZE(regs))) return; - if (ring_id == RCS0 && IS_GEN(dev_priv, 9)) + if (engine->id == RCS0 && IS_GEN(engine->i915, 9)) return; if (!pre && !gen9_render_mocs.initialized) - load_render_mocs(dev_priv); + load_render_mocs(engine->i915); - offset.reg = regs[ring_id]; + offset.reg = regs[engine->id]; for (i = 0; i < GEN9_MOCS_SIZE; i++) { if (pre) old_v = vgpu_vreg_t(pre, offset); else - old_v = gen9_render_mocs.control_table[ring_id][i]; + old_v = gen9_render_mocs.control_table[engine->id][i]; if (next) new_v = vgpu_vreg_t(next, offset); else - new_v = gen9_render_mocs.control_table[ring_id][i]; + new_v = gen9_render_mocs.control_table[engine->id][i]; if (old_v != new_v) - I915_WRITE_FW(offset, new_v); + intel_uncore_write_fw(uncore, offset, new_v); offset.reg += 4; } - if (ring_id == RCS0) { + if (engine->id == RCS0) { l3_offset.reg = 0xb020; for (i = 0; i < GEN9_MOCS_SIZE / 2; i++) { if (pre) @@ -445,7 +442,7 @@ static void switch_mocs(struct intel_vgpu *pre, struct intel_vgpu *next, new_v = gen9_render_mocs.l3cc_table[i]; if (old_v != new_v) - I915_WRITE_FW(l3_offset, new_v); + intel_uncore_write_fw(uncore, l3_offset, new_v); l3_offset.reg += 4; } @@ -467,38 +464,40 @@ bool is_inhibit_context(struct intel_context *ce) /* Switch ring mmio values (context). */ static void switch_mmio(struct intel_vgpu *pre, struct intel_vgpu *next, - int ring_id) + const struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv; + struct intel_uncore *uncore = engine->uncore; struct intel_vgpu_submission *s; struct engine_mmio *mmio; u32 old_v, new_v; - dev_priv = pre ? pre->gvt->dev_priv : next->gvt->dev_priv; - if (INTEL_GEN(dev_priv) >= 9) - switch_mocs(pre, next, ring_id); + if (INTEL_GEN(engine->i915) >= 9) + switch_mocs(pre, next, engine); - for (mmio = dev_priv->gvt->engine_mmio_list.mmio; + for (mmio = engine->i915->gvt->engine_mmio_list.mmio; i915_mmio_reg_valid(mmio->reg); mmio++) { - if (mmio->ring_id != ring_id) + if (mmio->id != engine->id) continue; /* * No need to do save or restore of the mmio which is in context * state image on gen9, it's initialized by lri command and * save or restore with context together. */ - if (IS_GEN(dev_priv, 9) && mmio->in_context) + if (IS_GEN(engine->i915, 9) && mmio->in_context) continue; // save if (pre) { - vgpu_vreg_t(pre, mmio->reg) = I915_READ_FW(mmio->reg); + vgpu_vreg_t(pre, mmio->reg) = + intel_uncore_read_fw(uncore, mmio->reg); if (mmio->mask) vgpu_vreg_t(pre, mmio->reg) &= - ~(mmio->mask << 16); + ~(mmio->mask << 16); old_v = vgpu_vreg_t(pre, mmio->reg); - } else - old_v = mmio->value = I915_READ_FW(mmio->reg); + } else { + old_v = mmio->value = + intel_uncore_read_fw(uncore, mmio->reg); + } // restore if (next) { @@ -509,12 +508,12 @@ static void switch_mmio(struct intel_vgpu *pre, * itself. */ if (mmio->in_context && - !is_inhibit_context(s->shadow[ring_id])) + !is_inhibit_context(s->shadow[engine->id])) continue; if (mmio->mask) new_v = vgpu_vreg_t(next, mmio->reg) | - (mmio->mask << 16); + (mmio->mask << 16); else new_v = vgpu_vreg_t(next, mmio->reg); } else { @@ -526,7 +525,7 @@ static void switch_mmio(struct intel_vgpu *pre, new_v = mmio->value; } - I915_WRITE_FW(mmio->reg, new_v); + intel_uncore_write_fw(uncore, mmio->reg, new_v); trace_render_mmio(pre ? pre->id : 0, next ? next->id : 0, @@ -536,39 +535,37 @@ static void switch_mmio(struct intel_vgpu *pre, } if (next) - handle_tlb_pending_event(next, ring_id); + handle_tlb_pending_event(next, engine); } /** * intel_gvt_switch_render_mmio - switch mmio context of specific engine * @pre: the last vGPU that own the engine * @next: the vGPU to switch to - * @ring_id: specify the engine + * @engine: the engine * * If pre is null indicates that host own the engine. If next is null * indicates that we are switching to host workload. */ void intel_gvt_switch_mmio(struct intel_vgpu *pre, - struct intel_vgpu *next, int ring_id) + struct intel_vgpu *next, + const struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv; - - if (WARN(!pre && !next, "switch ring %d from host to HOST\n", ring_id)) + if (WARN(!pre && !next, "switch ring %s from host to HOST\n", + engine->name)) return; - gvt_dbg_render("switch ring %d from %s to %s\n", ring_id, + gvt_dbg_render("switch ring %s from %s to %s\n", engine->name, pre ? "vGPU" : "host", next ? "vGPU" : "HOST"); - dev_priv = pre ? pre->gvt->dev_priv : next->gvt->dev_priv; - /** * We are using raw mmio access wrapper to improve the * performace for batch mmio read/write, so we need * handle forcewake mannually. */ - intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL); - switch_mmio(pre, next, ring_id); - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_get(engine->uncore, FORCEWAKE_ALL); + switch_mmio(pre, next, engine); + intel_uncore_forcewake_put(engine->uncore, FORCEWAKE_ALL); } /** @@ -595,7 +592,7 @@ void intel_gvt_init_engine_mmio_context(struct intel_gvt *gvt) for (mmio = gvt->engine_mmio_list.mmio; i915_mmio_reg_valid(mmio->reg); mmio++) { if (mmio->in_context) { - gvt->engine_mmio_list.ctx_mmio_count[mmio->ring_id]++; + gvt->engine_mmio_list.ctx_mmio_count[mmio->id]++; intel_gvt_mmio_set_in_ctx(gvt, mmio->reg.reg); } } diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.h b/drivers/gpu/drm/i915/gvt/mmio_context.h index f7eaa442403f..970704b18f23 100644 --- a/drivers/gpu/drm/i915/gvt/mmio_context.h +++ b/drivers/gpu/drm/i915/gvt/mmio_context.h @@ -37,7 +37,7 @@ #define __GVT_RENDER_H__ struct engine_mmio { - int ring_id; + enum intel_engine_id id; i915_reg_t reg; u32 mask; bool in_context; @@ -45,7 +45,8 @@ struct engine_mmio { }; void intel_gvt_switch_mmio(struct intel_vgpu *pre, - struct intel_vgpu *next, int ring_id); + struct intel_vgpu *next, + const struct intel_engine_cs *engine); void intel_gvt_init_engine_mmio_context(struct intel_gvt *gvt); diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c index 2369d4a9af94..737096a82e14 100644 --- a/drivers/gpu/drm/i915/gvt/sched_policy.c +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c @@ -40,7 +40,7 @@ static bool vgpu_has_pending_workload(struct intel_vgpu *vgpu) struct intel_engine_cs *engine; for_each_engine(engine, vgpu->gvt->dev_priv, i) { - if (!list_empty(workload_q_head(vgpu, i))) + if (!list_empty(workload_q_head(vgpu, engine))) return true; } @@ -444,9 +444,10 @@ void intel_vgpu_stop_schedule(struct intel_vgpu *vgpu) { struct intel_gvt_workload_scheduler *scheduler = &vgpu->gvt->scheduler; - int ring_id; struct vgpu_sched_data *vgpu_data = vgpu->sched_data; struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct intel_engine_cs *engine; + enum intel_engine_id id; if (!vgpu_data->active) return; @@ -467,10 +468,10 @@ void intel_vgpu_stop_schedule(struct intel_vgpu *vgpu) intel_runtime_pm_get(&dev_priv->runtime_pm); spin_lock_bh(&scheduler->mmio_context_lock); - for (ring_id = 0; ring_id < I915_NUM_ENGINES; ring_id++) { - if (scheduler->engine_owner[ring_id] == vgpu) { - intel_gvt_switch_mmio(vgpu, NULL, ring_id); - scheduler->engine_owner[ring_id] = NULL; + for_each_engine(engine, &vgpu->gvt->dev_priv->gt, id) { + if (scheduler->engine_owner[engine->id] == vgpu) { + intel_gvt_switch_mmio(vgpu, NULL, engine); + scheduler->engine_owner[engine->id] = NULL; } } spin_unlock_bh(&scheduler->mmio_context_lock); diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index cc89afd7b5f1..f43ac73c20c6 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -98,7 +98,7 @@ static void sr_oa_regs(struct intel_vgpu_workload *workload, i915_mmio_reg_offset(EU_PERF_CNTL6), }; - if (workload->ring_id != RCS0) + if (workload->engine->id != RCS0) return; if (save) { @@ -128,7 +128,6 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct intel_gvt *gvt = vgpu->gvt; - int ring_id = workload->ring_id; struct drm_i915_gem_object *ctx_obj = workload->req->context->state->obj; struct execlist_ring_context *shadow_ring_context; @@ -154,7 +153,7 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) COPY_REG_MASKED(ctx_ctrl); COPY_REG(ctx_timestamp); - if (ring_id == RCS0) { + if (workload->engine->id == RCS0) { COPY_REG(bb_per_ctx_ptr); COPY_REG(rcs_indirect_ctx); COPY_REG(rcs_indirect_ctx_offset); @@ -175,14 +174,14 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) if (IS_RESTORE_INHIBIT(shadow_ring_context->ctx_ctrl.val)) return 0; - gvt_dbg_sched("ring id %d workload lrca %x", ring_id, - workload->ctx_desc.lrca); - - context_page_num = gvt->dev_priv->engine[ring_id]->context_size; + gvt_dbg_sched("ring %s workload lrca %x", + workload->engine->name, + workload->ctx_desc.lrca); + context_page_num = workload->engine->context_size; context_page_num = context_page_num >> PAGE_SHIFT; - if (IS_BROADWELL(gvt->dev_priv) && ring_id == RCS0) + if (IS_BROADWELL(gvt->dev_priv) && workload->engine->id == RCS0) context_page_num = 19; i = 2; @@ -210,38 +209,43 @@ static inline bool is_gvt_request(struct i915_request *rq) return intel_context_force_single_submission(rq->context); } -static void save_ring_hw_state(struct intel_vgpu *vgpu, int ring_id) +static void save_ring_hw_state(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - u32 ring_base = dev_priv->engine[ring_id]->mmio_base; + struct intel_uncore *uncore = engine->uncore; i915_reg_t reg; - reg = RING_INSTDONE(ring_base); - vgpu_vreg(vgpu, i915_mmio_reg_offset(reg)) = I915_READ_FW(reg); - reg = RING_ACTHD(ring_base); - vgpu_vreg(vgpu, i915_mmio_reg_offset(reg)) = I915_READ_FW(reg); - reg = RING_ACTHD_UDW(ring_base); - vgpu_vreg(vgpu, i915_mmio_reg_offset(reg)) = I915_READ_FW(reg); + reg = RING_INSTDONE(engine->mmio_base); + vgpu_vreg(vgpu, i915_mmio_reg_offset(reg)) = + intel_uncore_read(uncore, reg); + + reg = RING_ACTHD(engine->mmio_base); + vgpu_vreg(vgpu, i915_mmio_reg_offset(reg)) = + intel_uncore_read(uncore, reg); + + reg = RING_ACTHD_UDW(engine->mmio_base); + vgpu_vreg(vgpu, i915_mmio_reg_offset(reg)) = + intel_uncore_read(uncore, reg); } static int shadow_context_status_change(struct notifier_block *nb, unsigned long action, void *data) { - struct i915_request *req = data; + struct i915_request *rq = data; struct intel_gvt *gvt = container_of(nb, struct intel_gvt, - shadow_ctx_notifier_block[req->engine->id]); + shadow_ctx_notifier_block[rq->engine->id]); struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; - enum intel_engine_id ring_id = req->engine->id; + enum intel_engine_id ring_id = rq->engine->id; struct intel_vgpu_workload *workload; unsigned long flags; - if (!is_gvt_request(req)) { + if (!is_gvt_request(rq)) { spin_lock_irqsave(&scheduler->mmio_context_lock, flags); if (action == INTEL_CONTEXT_SCHEDULE_IN && scheduler->engine_owner[ring_id]) { /* Switch ring from vGPU to host. */ intel_gvt_switch_mmio(scheduler->engine_owner[ring_id], - NULL, ring_id); + NULL, rq->engine); scheduler->engine_owner[ring_id] = NULL; } spin_unlock_irqrestore(&scheduler->mmio_context_lock, flags); @@ -259,7 +263,7 @@ static int shadow_context_status_change(struct notifier_block *nb, if (workload->vgpu != scheduler->engine_owner[ring_id]) { /* Switch ring from host to vGPU or vGPU to vGPU. */ intel_gvt_switch_mmio(scheduler->engine_owner[ring_id], - workload->vgpu, ring_id); + workload->vgpu, rq->engine); scheduler->engine_owner[ring_id] = workload->vgpu; } else gvt_dbg_sched("skip ring %d mmio switch for vgpu%d\n", @@ -268,11 +272,11 @@ static int shadow_context_status_change(struct notifier_block *nb, atomic_set(&workload->shadow_ctx_active, 1); break; case INTEL_CONTEXT_SCHEDULE_OUT: - save_ring_hw_state(workload->vgpu, ring_id); + save_ring_hw_state(workload->vgpu, rq->engine); atomic_set(&workload->shadow_ctx_active, 0); break; case INTEL_CONTEXT_SCHEDULE_PREEMPTED: - save_ring_hw_state(workload->vgpu, ring_id); + save_ring_hw_state(workload->vgpu, rq->engine); break; default: WARN_ON(1); @@ -391,7 +395,7 @@ intel_gvt_workload_req_alloc(struct intel_vgpu_workload *workload) if (workload->req) return 0; - rq = i915_request_create(s->shadow[workload->ring_id]); + rq = i915_request_create(s->shadow[workload->engine->id]); if (IS_ERR(rq)) { gvt_vgpu_err("fail to allocate gem request\n"); return PTR_ERR(rq); @@ -420,15 +424,16 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) if (workload->shadow) return 0; - if (!test_and_set_bit(workload->ring_id, s->shadow_ctx_desc_updated)) - shadow_context_descriptor_update(s->shadow[workload->ring_id], + if (!test_and_set_bit(workload->engine->id, s->shadow_ctx_desc_updated)) + shadow_context_descriptor_update(s->shadow[workload->engine->id], workload); ret = intel_gvt_scan_and_shadow_ringbuffer(workload); if (ret) return ret; - if (workload->ring_id == RCS0 && workload->wa_ctx.indirect_ctx.size) { + if (workload->engine->id == RCS0 && + workload->wa_ctx.indirect_ctx.size) { ret = intel_gvt_scan_and_shadow_wa_ctx(&workload->wa_ctx); if (ret) goto err_shadow; @@ -436,6 +441,7 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) workload->shadow = true; return 0; + err_shadow: release_shadow_wa_ctx(&workload->wa_ctx); return ret; @@ -567,12 +573,8 @@ static int prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) static void update_vreg_in_ctx(struct intel_vgpu_workload *workload) { - struct intel_vgpu *vgpu = workload->vgpu; - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - u32 ring_base; - - ring_base = dev_priv->engine[workload->ring_id]->mmio_base; - vgpu_vreg_t(vgpu, RING_START(ring_base)) = workload->rb_start; + vgpu_vreg_t(workload->vgpu, RING_START(workload->engine->mmio_base)) = + workload->rb_start; } static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload) @@ -608,7 +610,6 @@ static int prepare_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct intel_vgpu_submission *s = &vgpu->submission; - int ring = workload->ring_id; int ret = 0; ret = intel_vgpu_pin_mm(workload->shadow_mm); @@ -625,7 +626,7 @@ static int prepare_workload(struct intel_vgpu_workload *workload) update_shadow_pdps(workload); - set_context_ppgtt_from_shadow(workload, s->shadow[ring]); + set_context_ppgtt_from_shadow(workload, s->shadow[workload->engine->id]); ret = intel_vgpu_sync_oos_pages(workload->vgpu); if (ret) { @@ -677,11 +678,10 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; struct i915_request *rq; - int ring_id = workload->ring_id; int ret; - gvt_dbg_sched("ring id %d prepare to dispatch workload %p\n", - ring_id, workload); + gvt_dbg_sched("ring id %s prepare to dispatch workload %p\n", + workload->engine->name, workload); mutex_lock(&vgpu->vgpu_lock); @@ -710,8 +710,8 @@ out: } if (!IS_ERR_OR_NULL(workload->req)) { - gvt_dbg_sched("ring id %d submit workload to i915 %p\n", - ring_id, workload->req); + gvt_dbg_sched("ring id %s submit workload to i915 %p\n", + workload->engine->name, workload->req); i915_request_add(workload->req); workload->dispatched = true; } @@ -722,8 +722,8 @@ err_req: return ret; } -static struct intel_vgpu_workload *pick_next_workload( - struct intel_gvt *gvt, int ring_id) +static struct intel_vgpu_workload * +pick_next_workload(struct intel_gvt *gvt, struct intel_engine_cs *engine) { struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; struct intel_vgpu_workload *workload = NULL; @@ -735,27 +735,27 @@ static struct intel_vgpu_workload *pick_next_workload( * bail out */ if (!scheduler->current_vgpu) { - gvt_dbg_sched("ring id %d stop - no current vgpu\n", ring_id); + gvt_dbg_sched("ring %s stop - no current vgpu\n", engine->name); goto out; } if (scheduler->need_reschedule) { - gvt_dbg_sched("ring id %d stop - will reschedule\n", ring_id); + gvt_dbg_sched("ring %s stop - will reschedule\n", engine->name); goto out; } if (!scheduler->current_vgpu->active || - list_empty(workload_q_head(scheduler->current_vgpu, ring_id))) + list_empty(workload_q_head(scheduler->current_vgpu, engine))) goto out; /* * still have current workload, maybe the workload disptacher * fail to submit it for some reason, resubmit it. */ - if (scheduler->current_workload[ring_id]) { - workload = scheduler->current_workload[ring_id]; - gvt_dbg_sched("ring id %d still have current workload %p\n", - ring_id, workload); + if (scheduler->current_workload[engine->id]) { + workload = scheduler->current_workload[engine->id]; + gvt_dbg_sched("ring %s still have current workload %p\n", + engine->name, workload); goto out; } @@ -765,13 +765,14 @@ static struct intel_vgpu_workload *pick_next_workload( * will wait the current workload is finished when trying to * schedule out a vgpu. */ - scheduler->current_workload[ring_id] = container_of( - workload_q_head(scheduler->current_vgpu, ring_id)->next, - struct intel_vgpu_workload, list); + scheduler->current_workload[engine->id] = + list_first_entry(workload_q_head(scheduler->current_vgpu, + engine), + struct intel_vgpu_workload, list); - workload = scheduler->current_workload[ring_id]; + workload = scheduler->current_workload[engine->id]; - gvt_dbg_sched("ring id %d pick new workload %p\n", ring_id, workload); + gvt_dbg_sched("ring %s pick new workload %p\n", engine->name, workload); atomic_inc(&workload->vgpu->submission.running_workload_num); out: @@ -783,14 +784,12 @@ static void update_guest_context(struct intel_vgpu_workload *workload) { struct i915_request *rq = workload->req; struct intel_vgpu *vgpu = workload->vgpu; - struct intel_gvt *gvt = vgpu->gvt; struct drm_i915_gem_object *ctx_obj = rq->context->state->obj; struct execlist_ring_context *shadow_ring_context; struct page *page; void *src; unsigned long context_gpa, context_page_num; int i; - struct drm_i915_private *dev_priv = gvt->dev_priv; u32 ring_base; u32 head, tail; u16 wrap_count; @@ -811,14 +810,14 @@ static void update_guest_context(struct intel_vgpu_workload *workload) head = (wrap_count << RB_HEAD_WRAP_CNT_OFF) | tail; - ring_base = dev_priv->engine[workload->ring_id]->mmio_base; + ring_base = rq->engine->mmio_base; vgpu_vreg_t(vgpu, RING_TAIL(ring_base)) = tail; vgpu_vreg_t(vgpu, RING_HEAD(ring_base)) = head; context_page_num = rq->engine->context_size; context_page_num = context_page_num >> PAGE_SHIFT; - if (IS_BROADWELL(gvt->dev_priv) && rq->engine->id == RCS0) + if (IS_BROADWELL(rq->i915) && rq->engine->id == RCS0) context_page_num = 19; i = 2; @@ -966,54 +965,47 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id) mutex_unlock(&vgpu->vgpu_lock); } -struct workload_thread_param { - struct intel_gvt *gvt; - int ring_id; -}; - -static int workload_thread(void *priv) +static int workload_thread(void *arg) { - struct workload_thread_param *p = (struct workload_thread_param *)priv; - struct intel_gvt *gvt = p->gvt; - int ring_id = p->ring_id; + struct intel_engine_cs *engine = arg; + const bool need_force_wake = INTEL_GEN(engine->i915) >= 9; + struct intel_gvt *gvt = engine->i915->gvt; struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; struct intel_vgpu_workload *workload = NULL; struct intel_vgpu *vgpu = NULL; int ret; - bool need_force_wake = (INTEL_GEN(gvt->dev_priv) >= 9); DEFINE_WAIT_FUNC(wait, woken_wake_function); - struct intel_runtime_pm *rpm = &gvt->dev_priv->runtime_pm; - - kfree(p); - gvt_dbg_core("workload thread for ring %d started\n", ring_id); + gvt_dbg_core("workload thread for ring %s started\n", engine->name); while (!kthread_should_stop()) { - add_wait_queue(&scheduler->waitq[ring_id], &wait); + intel_wakeref_t wakeref; + + add_wait_queue(&scheduler->waitq[engine->id], &wait); do { - workload = pick_next_workload(gvt, ring_id); + workload = pick_next_workload(gvt, engine); if (workload) break; wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); } while (!kthread_should_stop()); - remove_wait_queue(&scheduler->waitq[ring_id], &wait); + remove_wait_queue(&scheduler->waitq[engine->id], &wait); if (!workload) break; - gvt_dbg_sched("ring id %d next workload %p vgpu %d\n", - workload->ring_id, workload, - workload->vgpu->id); + gvt_dbg_sched("ring %s next workload %p vgpu %d\n", + engine->name, workload, + workload->vgpu->id); - intel_runtime_pm_get(rpm); + wakeref = intel_runtime_pm_get(engine->uncore->rpm); - gvt_dbg_sched("ring id %d will dispatch workload %p\n", - workload->ring_id, workload); + gvt_dbg_sched("ring %s will dispatch workload %p\n", + engine->name, workload); if (need_force_wake) - intel_uncore_forcewake_get(&gvt->dev_priv->uncore, - FORCEWAKE_ALL); + intel_uncore_forcewake_get(engine->uncore, + FORCEWAKE_ALL); /* * Update the vReg of the vGPU which submitted this * workload. The vGPU may use these registers for checking @@ -1030,21 +1022,21 @@ static int workload_thread(void *priv) goto complete; } - gvt_dbg_sched("ring id %d wait workload %p\n", - workload->ring_id, workload); + gvt_dbg_sched("ring %s wait workload %p\n", + engine->name, workload); i915_request_wait(workload->req, 0, MAX_SCHEDULE_TIMEOUT); complete: gvt_dbg_sched("will complete workload %p, status: %d\n", - workload, workload->status); + workload, workload->status); - complete_current_workload(gvt, ring_id); + complete_current_workload(gvt, engine->id); if (need_force_wake) - intel_uncore_forcewake_put(&gvt->dev_priv->uncore, - FORCEWAKE_ALL); + intel_uncore_forcewake_put(engine->uncore, + FORCEWAKE_ALL); - intel_runtime_pm_put_unchecked(rpm); + intel_runtime_pm_put(engine->uncore->rpm, wakeref); if (ret && (vgpu_is_vm_unhealthy(ret))) enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR); } @@ -1084,7 +1076,6 @@ void intel_gvt_clean_workload_scheduler(struct intel_gvt *gvt) int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt) { struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; - struct workload_thread_param *param = NULL; struct intel_engine_cs *engine; enum intel_engine_id i; int ret; @@ -1096,17 +1087,8 @@ int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt) for_each_engine(engine, gvt->dev_priv, i) { init_waitqueue_head(&scheduler->waitq[i]); - param = kzalloc(sizeof(*param), GFP_KERNEL); - if (!param) { - ret = -ENOMEM; - goto err; - } - - param->gvt = gvt; - param->ring_id = i; - - scheduler->thread[i] = kthread_run(workload_thread, param, - "gvt workload %d", i); + scheduler->thread[i] = kthread_run(workload_thread, engine, + "gvt:%s", engine->name); if (IS_ERR(scheduler->thread[i])) { gvt_err("fail to create workload thread\n"); ret = PTR_ERR(scheduler->thread[i]); @@ -1118,11 +1100,11 @@ int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt) atomic_notifier_chain_register(&engine->context_status_notifier, &gvt->shadow_ctx_notifier_block[i]); } + return 0; + err: intel_gvt_clean_workload_scheduler(gvt); - kfree(param); - param = NULL; return ret; } @@ -1230,7 +1212,7 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu) i915_context_ppgtt_root_save(s, ppgtt); - for_each_engine(engine, i915, i) { + for_each_engine(engine, &i915->gt, i) { struct intel_context *ce; INIT_LIST_HEAD(&s->workload_q_head[i]); @@ -1282,7 +1264,7 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu) out_shadow_ctx: i915_context_ppgtt_root_restore(s, ppgtt); - for_each_engine(engine, i915, i) { + for_each_engine(engine, &i915->gt, i) { if (IS_ERR(s->shadow[i])) break; @@ -1443,7 +1425,7 @@ static int prepare_mm(struct intel_vgpu_workload *workload) /** * intel_vgpu_create_workload - create a vGPU workload * @vgpu: a vGPU - * @ring_id: ring index + * @engine: the engine * @desc: a guest context descriptor * * This function is called when creating a vGPU workload. @@ -1454,14 +1436,14 @@ static int prepare_mm(struct intel_vgpu_workload *workload) * */ struct intel_vgpu_workload * -intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, +intel_vgpu_create_workload(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine, struct execlist_ctx_descriptor_format *desc) { struct intel_vgpu_submission *s = &vgpu->submission; - struct list_head *q = workload_q_head(vgpu, ring_id); + struct list_head *q = workload_q_head(vgpu, engine); struct intel_vgpu_workload *last_workload = NULL; struct intel_vgpu_workload *workload = NULL; - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; u64 ring_context_gpa; u32 head, tail, start, ctl, ctx_ctl, per_ctx, indirect_ctx; u32 guest_head; @@ -1488,10 +1470,10 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, list_for_each_entry_reverse(last_workload, q, list) { if (same_context(&last_workload->ctx_desc, desc)) { - gvt_dbg_el("ring id %d cur workload == last\n", - ring_id); + gvt_dbg_el("ring %s cur workload == last\n", + engine->name); gvt_dbg_el("ctx head %x real head %lx\n", head, - last_workload->rb_tail); + last_workload->rb_tail); /* * cannot use guest context head pointer here, * as it might not be updated at this time @@ -1501,7 +1483,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, } } - gvt_dbg_el("ring id %d begin a new workload\n", ring_id); + gvt_dbg_el("ring %s begin a new workload\n", engine->name); /* record some ring buffer register values for scan and shadow */ intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa + @@ -1521,7 +1503,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, if (IS_ERR(workload)) return workload; - workload->ring_id = ring_id; + workload->engine = engine; workload->ctx_desc = *desc; workload->ring_context_gpa = ring_context_gpa; workload->rb_head = head; @@ -1530,7 +1512,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, workload->rb_start = start; workload->rb_ctl = ctl; - if (ring_id == RCS0) { + if (engine->id == RCS0) { intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa + RING_CTX_OFF(bb_per_ctx_ptr.val), &per_ctx, 4); intel_gvt_hypervisor_read_gpa(vgpu, ring_context_gpa + @@ -1568,8 +1550,8 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, } } - gvt_dbg_el("workload %p ring id %d head %x tail %x start %x ctl %x\n", - workload, ring_id, head, tail, start, ctl); + gvt_dbg_el("workload %p ring %s head %x tail %x start %x ctl %x\n", + workload, engine->name, head, tail, start, ctl); ret = prepare_mm(workload); if (ret) { @@ -1580,10 +1562,11 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, /* Only scan and shadow the first workload in the queue * as there is only one pre-allocated buf-obj for shadow. */ - if (list_empty(workload_q_head(vgpu, ring_id))) { - intel_runtime_pm_get(&dev_priv->runtime_pm); - ret = intel_gvt_scan_and_shadow_workload(workload); - intel_runtime_pm_put_unchecked(&dev_priv->runtime_pm); + if (list_empty(q)) { + intel_wakeref_t wakeref; + + with_intel_runtime_pm(engine->gt->uncore->rpm, wakeref) + ret = intel_gvt_scan_and_shadow_workload(workload); } if (ret) { @@ -1603,7 +1586,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, void intel_vgpu_queue_workload(struct intel_vgpu_workload *workload) { list_add_tail(&workload->list, - workload_q_head(workload->vgpu, workload->ring_id)); + workload_q_head(workload->vgpu, workload->engine)); intel_gvt_kick_schedule(workload->vgpu->gvt); - wake_up(&workload->vgpu->gvt->scheduler.waitq[workload->ring_id]); + wake_up(&workload->vgpu->gvt->scheduler.waitq[workload->engine->id]); } diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h index c50d14a9ce85..bf7fc0ca4cb1 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.h +++ b/drivers/gpu/drm/i915/gvt/scheduler.h @@ -79,7 +79,7 @@ struct intel_shadow_wa_ctx { struct intel_vgpu_workload { struct intel_vgpu *vgpu; - int ring_id; + const struct intel_engine_cs *engine; struct i915_request *req; /* if this workload has been dispatched to i915? */ bool dispatched; @@ -129,8 +129,8 @@ struct intel_vgpu_shadow_bb { bool ppgtt; }; -#define workload_q_head(vgpu, ring_id) \ - (&(vgpu->submission.workload_q_head[ring_id])) +#define workload_q_head(vgpu, e) \ + (&(vgpu)->submission.workload_q_head[(e)->id]) void intel_vgpu_queue_workload(struct intel_vgpu_workload *workload); @@ -155,7 +155,8 @@ extern const struct intel_vgpu_submission_ops intel_vgpu_execlist_submission_ops; struct intel_vgpu_workload * -intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, +intel_vgpu_create_workload(struct intel_vgpu *vgpu, + const struct intel_engine_cs *engine, struct execlist_ctx_descriptor_format *desc); void intel_vgpu_destroy_workload(struct intel_vgpu_workload *workload); |