1 /* 2 * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Ke Yu 25 * Kevin Tian <kevin.tian@intel.com> 26 * Dexuan Cui 27 * 28 * Contributors: 29 * Tina Zhang <tina.zhang@intel.com> 30 * Min He <min.he@intel.com> 31 * Niu Bing <bing.niu@intel.com> 32 * Zhi Wang <zhi.a.wang@intel.com> 33 * 34 */ 35 36 #ifndef _GVT_MMIO_H_ 37 #define _GVT_MMIO_H_ 38 39 struct intel_gvt; 40 struct intel_vgpu; 41 42 #define D_BDW (1 << 0) 43 #define D_SKL (1 << 1) 44 #define D_KBL (1 << 2) 45 46 #define D_GEN9PLUS (D_SKL | D_KBL) 47 #define D_GEN8PLUS (D_BDW | D_SKL | D_KBL) 48 49 #define D_SKL_PLUS (D_SKL | D_KBL) 50 #define D_BDW_PLUS (D_BDW | D_SKL | D_KBL) 51 52 #define D_PRE_SKL (D_BDW) 53 #define D_ALL (D_BDW | D_SKL | D_KBL) 54 55 typedef int (*gvt_mmio_func)(struct intel_vgpu *, unsigned int, void *, 56 unsigned int); 57 58 struct intel_gvt_mmio_info { 59 u32 offset; 60 u64 ro_mask; 61 u32 device; 62 gvt_mmio_func read; 63 gvt_mmio_func write; 64 u32 addr_range; 65 struct hlist_node node; 66 }; 67 68 int intel_gvt_render_mmio_to_ring_id(struct intel_gvt *gvt, 69 unsigned int reg); 70 unsigned long intel_gvt_get_device_type(struct intel_gvt *gvt); 71 bool intel_gvt_match_device(struct intel_gvt *gvt, unsigned long device); 72 73 int intel_gvt_setup_mmio_info(struct intel_gvt *gvt); 74 void intel_gvt_clean_mmio_info(struct intel_gvt *gvt); 75 int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt, 76 int (*handler)(struct intel_gvt *gvt, u32 offset, void *data), 77 void *data); 78 79 int intel_vgpu_init_mmio(struct intel_vgpu *vgpu); 80 void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr); 81 void intel_vgpu_clean_mmio(struct intel_vgpu *vgpu); 82 83 int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa); 84 85 int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, u64 pa, 86 void *p_data, unsigned int bytes); 87 int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, u64 pa, 88 void *p_data, unsigned int bytes); 89 90 int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, 91 void *p_data, unsigned int bytes); 92 int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, 93 void *p_data, unsigned int bytes); 94 95 bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt, 96 unsigned int offset); 97 98 int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset, 99 void *pdata, unsigned int bytes, bool is_read); 100 101 #endif 102