1 /* $NetBSD: execlist.h,v 1.2 2021/12/18 23:45:31 riastradh Exp $ */ 2 3 /* 4 * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Zhiyuan Lv <zhiyuan.lv (at) intel.com> 27 * Zhi Wang <zhi.a.wang (at) intel.com> 28 * 29 * Contributors: 30 * Min He <min.he (at) intel.com> 31 * Bing Niu <bing.niu (at) intel.com> 32 * Ping Gao <ping.a.gao (at) intel.com> 33 * Tina Zhang <tina.zhang (at) intel.com> 34 * 35 */ 36 37 #ifndef _GVT_EXECLIST_H_ 38 #define _GVT_EXECLIST_H_ 39 40 #include <linux/types.h> 41 42 struct execlist_ctx_descriptor_format { 43 union { 44 u32 ldw; 45 struct { 46 u32 valid : 1; 47 u32 force_pd_restore : 1; 48 u32 force_restore : 1; 49 u32 addressing_mode : 2; 50 u32 llc_coherency : 1; 51 u32 fault_handling : 2; 52 u32 privilege_access : 1; 53 u32 reserved : 3; 54 u32 lrca : 20; 55 }; 56 }; 57 union { 58 u32 udw; 59 u32 context_id; 60 }; 61 }; 62 63 struct execlist_status_format { 64 union { 65 u32 ldw; 66 struct { 67 u32 current_execlist_pointer :1; 68 u32 execlist_write_pointer :1; 69 u32 execlist_queue_full :1; 70 u32 execlist_1_valid :1; 71 u32 execlist_0_valid :1; 72 u32 last_ctx_switch_reason :9; 73 u32 current_active_elm_status :2; 74 u32 arbitration_enable :1; 75 u32 execlist_1_active :1; 76 u32 execlist_0_active :1; 77 u32 reserved :13; 78 }; 79 }; 80 union { 81 u32 udw; 82 u32 context_id; 83 }; 84 }; 85 86 struct execlist_context_status_pointer_format { 87 union { 88 u32 dw; 89 struct { 90 u32 write_ptr :3; 91 u32 reserved :5; 92 u32 read_ptr :3; 93 u32 reserved2 :5; 94 u32 mask :16; 95 }; 96 }; 97 }; 98 99 struct execlist_context_status_format { 100 union { 101 u32 ldw; 102 struct { 103 u32 idle_to_active :1; 104 u32 preempted :1; 105 u32 element_switch :1; 106 u32 active_to_idle :1; 107 u32 context_complete :1; 108 u32 wait_on_sync_flip :1; 109 u32 wait_on_vblank :1; 110 u32 wait_on_semaphore :1; 111 u32 wait_on_scanline :1; 112 u32 reserved :2; 113 u32 semaphore_wait_mode :1; 114 u32 display_plane :3; 115 u32 lite_restore :1; 116 u32 reserved_2 :16; 117 }; 118 }; 119 union { 120 u32 udw; 121 u32 context_id; 122 }; 123 }; 124 125 struct execlist_mmio_pair { 126 u32 addr; 127 u32 val; 128 }; 129 130 /* The first 52 dwords in register state context */ 131 struct execlist_ring_context { 132 u32 nop1; 133 u32 lri_cmd_1; 134 struct execlist_mmio_pair ctx_ctrl; 135 struct execlist_mmio_pair ring_header; 136 struct execlist_mmio_pair ring_tail; 137 struct execlist_mmio_pair rb_start; 138 struct execlist_mmio_pair rb_ctrl; 139 struct execlist_mmio_pair bb_cur_head_UDW; 140 struct execlist_mmio_pair bb_cur_head_LDW; 141 struct execlist_mmio_pair bb_state; 142 struct execlist_mmio_pair second_bb_addr_UDW; 143 struct execlist_mmio_pair second_bb_addr_LDW; 144 struct execlist_mmio_pair second_bb_state; 145 struct execlist_mmio_pair bb_per_ctx_ptr; 146 struct execlist_mmio_pair rcs_indirect_ctx; 147 struct execlist_mmio_pair rcs_indirect_ctx_offset; 148 u32 nop2; 149 u32 nop3; 150 u32 nop4; 151 u32 lri_cmd_2; 152 struct execlist_mmio_pair ctx_timestamp; 153 /* 154 * pdps[8]={ pdp3_UDW, pdp3_LDW, pdp2_UDW, pdp2_LDW, 155 * pdp1_UDW, pdp1_LDW, pdp0_UDW, pdp0_LDW} 156 */ 157 struct execlist_mmio_pair pdps[8]; 158 }; 159 160 struct intel_vgpu_elsp_dwords { 161 u32 data[4]; 162 u32 index; 163 }; 164 165 struct intel_vgpu_execlist_slot { 166 struct execlist_ctx_descriptor_format ctx[2]; 167 u32 index; 168 }; 169 170 struct intel_vgpu_execlist { 171 struct intel_vgpu_execlist_slot slot[2]; 172 struct intel_vgpu_execlist_slot *running_slot; 173 struct intel_vgpu_execlist_slot *pending_slot; 174 struct execlist_ctx_descriptor_format *running_context; 175 int ring_id; 176 struct intel_vgpu *vgpu; 177 struct intel_vgpu_elsp_dwords elsp_dwords; 178 }; 179 180 void intel_vgpu_clean_execlist(struct intel_vgpu *vgpu); 181 182 int intel_vgpu_init_execlist(struct intel_vgpu *vgpu); 183 184 int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id); 185 186 void intel_vgpu_reset_execlist(struct intel_vgpu *vgpu, 187 intel_engine_mask_t engine_mask); 188 189 #endif /*_GVT_EXECLIST_H_*/ 190
Indexes created Sat Sep 20 22:09:52 GMT 2025