diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/execlist.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/execlist.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/execlist.h b/drivers/gpu/drm/i915/gvt/execlist.h new file mode 100644 index 000000000..714d70982 --- /dev/null +++ b/drivers/gpu/drm/i915/gvt/execlist.h @@ -0,0 +1,185 @@ +/* + * 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: + * Zhiyuan Lv <zhiyuan.lv@intel.com> + * Zhi Wang <zhi.a.wang@intel.com> + * + * Contributors: + * Min He <min.he@intel.com> + * Bing Niu <bing.niu@intel.com> + * Ping Gao <ping.a.gao@intel.com> + * Tina Zhang <tina.zhang@intel.com> + * + */ + +#ifndef _GVT_EXECLIST_H_ +#define _GVT_EXECLIST_H_ + +struct execlist_ctx_descriptor_format { + union { + u32 ldw; + struct { + u32 valid : 1; + u32 force_pd_restore : 1; + u32 force_restore : 1; + u32 addressing_mode : 2; + u32 llc_coherency : 1; + u32 fault_handling : 2; + u32 privilege_access : 1; + u32 reserved : 3; + u32 lrca : 20; + }; + }; + union { + u32 udw; + u32 context_id; + }; +}; + +struct execlist_status_format { + union { + u32 ldw; + struct { + u32 current_execlist_pointer :1; + u32 execlist_write_pointer :1; + u32 execlist_queue_full :1; + u32 execlist_1_valid :1; + u32 execlist_0_valid :1; + u32 last_ctx_switch_reason :9; + u32 current_active_elm_status :2; + u32 arbitration_enable :1; + u32 execlist_1_active :1; + u32 execlist_0_active :1; + u32 reserved :13; + }; + }; + union { + u32 udw; + u32 context_id; + }; +}; + +struct execlist_context_status_pointer_format { + union { + u32 dw; + struct { + u32 write_ptr :3; + u32 reserved :5; + u32 read_ptr :3; + u32 reserved2 :5; + u32 mask :16; + }; + }; +}; + +struct execlist_context_status_format { + union { + u32 ldw; + struct { + u32 idle_to_active :1; + u32 preempted :1; + u32 element_switch :1; + u32 active_to_idle :1; + u32 context_complete :1; + u32 wait_on_sync_flip :1; + u32 wait_on_vblank :1; + u32 wait_on_semaphore :1; + u32 wait_on_scanline :1; + u32 reserved :2; + u32 semaphore_wait_mode :1; + u32 display_plane :3; + u32 lite_restore :1; + u32 reserved_2 :16; + }; + }; + union { + u32 udw; + u32 context_id; + }; +}; + +struct execlist_mmio_pair { + u32 addr; + u32 val; +}; + +/* The first 52 dwords in register state context */ +struct execlist_ring_context { + u32 nop1; + u32 lri_cmd_1; + struct execlist_mmio_pair ctx_ctrl; + struct execlist_mmio_pair ring_header; + struct execlist_mmio_pair ring_tail; + struct execlist_mmio_pair rb_start; + struct execlist_mmio_pair rb_ctrl; + struct execlist_mmio_pair bb_cur_head_UDW; + struct execlist_mmio_pair bb_cur_head_LDW; + struct execlist_mmio_pair bb_state; + struct execlist_mmio_pair second_bb_addr_UDW; + struct execlist_mmio_pair second_bb_addr_LDW; + struct execlist_mmio_pair second_bb_state; + struct execlist_mmio_pair bb_per_ctx_ptr; + struct execlist_mmio_pair rcs_indirect_ctx; + struct execlist_mmio_pair rcs_indirect_ctx_offset; + u32 nop2; + u32 nop3; + u32 nop4; + u32 lri_cmd_2; + struct execlist_mmio_pair ctx_timestamp; + /* + * pdps[8]={ pdp3_UDW, pdp3_LDW, pdp2_UDW, pdp2_LDW, + * pdp1_UDW, pdp1_LDW, pdp0_UDW, pdp0_LDW} + */ + struct execlist_mmio_pair pdps[8]; +}; + +struct intel_vgpu_elsp_dwords { + u32 data[4]; + u32 index; +}; + +struct intel_vgpu_execlist_slot { + struct execlist_ctx_descriptor_format ctx[2]; + u32 index; +}; + +struct intel_vgpu_execlist { + struct intel_vgpu_execlist_slot slot[2]; + 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; +}; + +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); + +void intel_vgpu_reset_execlist(struct intel_vgpu *vgpu, + unsigned long engine_mask); + +#endif /*_GVT_EXECLIST_H_*/ |