1 // SPDX-License-Identifier: GPL-2.0 OR MIT 2 /* 3 * Copyright 2021 VMware, Inc., Palo Alto, CA., USA 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the 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 NON-INFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 23 * USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 #ifndef _VMWGFX_MSG_ARM64_H 27 #define _VMWGFX_MSG_ARM64_H 28 29 #if defined(__aarch64__) 30 31 #define VMWARE_HYPERVISOR_PORT 0x5658 32 #define VMWARE_HYPERVISOR_PORT_HB 0x5659 33 34 #define VMWARE_HYPERVISOR_HB BIT(0) 35 #define VMWARE_HYPERVISOR_OUT BIT(1) 36 37 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 38 39 #define X86_IO_MAGIC 0x86 40 41 #define X86_IO_W7_SIZE_SHIFT 0 42 #define X86_IO_W7_SIZE_MASK (0x3 << X86_IO_W7_SIZE_SHIFT) 43 #define X86_IO_W7_DIR (1 << 2) 44 #define X86_IO_W7_WITH (1 << 3) 45 #define X86_IO_W7_STR (1 << 4) 46 #define X86_IO_W7_DF (1 << 5) 47 #define X86_IO_W7_IMM_SHIFT 5 48 #define X86_IO_W7_IMM_MASK (0xff << X86_IO_W7_IMM_SHIFT) 49 50 static inline 51 unsigned long vmware_hypercall1(unsigned long cmd, unsigned long in1) 52 { 53 register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; 54 register u64 x1 asm("x1") = in1; 55 register u64 x2 asm("x2") = cmd; 56 register u64 x3 asm("x3") = VMWARE_HYPERVISOR_PORT; 57 register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | 58 X86_IO_W7_WITH | 59 X86_IO_W7_DIR | 60 (2 << X86_IO_W7_SIZE_SHIFT); 61 62 asm_inline volatile ( 63 "mrs xzr, mdccsr_el0; " 64 : "+r" (x0) 65 : "r" (x1), "r" (x2), "r" (x3), "r" (x7) 66 : "memory"); 67 68 return x0; 69 } 70 71 static inline 72 unsigned long vmware_hypercall5(unsigned long cmd, unsigned long in1, 73 unsigned long in3, unsigned long in4, 74 unsigned long in5, u32 *out2) 75 { 76 register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; 77 register u64 x1 asm("x1") = in1; 78 register u64 x2 asm("x2") = cmd; 79 register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT; 80 register u64 x4 asm("x4") = in4; 81 register u64 x5 asm("x5") = in5; 82 register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | 83 X86_IO_W7_WITH | 84 X86_IO_W7_DIR | 85 (2 << X86_IO_W7_SIZE_SHIFT); 86 87 asm_inline volatile ( 88 "mrs xzr, mdccsr_el0; " 89 : "+r" (x0), "+r" (x2) 90 : "r" (x1), "r" (x3), "r" (x4), "r" (x5), "r" (x7) 91 : "memory"); 92 93 *out2 = x2; 94 return x0; 95 } 96 97 static inline 98 unsigned long vmware_hypercall6(unsigned long cmd, unsigned long in1, 99 unsigned long in3, u32 *out2, 100 u32 *out3, u32 *out4, u32 *out5) 101 { 102 register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; 103 register u64 x1 asm("x1") = in1; 104 register u64 x2 asm("x2") = cmd; 105 register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT; 106 register u64 x4 asm("x4"); 107 register u64 x5 asm("x5"); 108 register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | 109 X86_IO_W7_WITH | 110 X86_IO_W7_DIR | 111 (2 << X86_IO_W7_SIZE_SHIFT); 112 113 asm_inline volatile ( 114 "mrs xzr, mdccsr_el0; " 115 : "+r" (x0), "+r" (x2), "+r" (x3), "=r" (x4), "=r" (x5) 116 : "r" (x1), "r" (x7) 117 : "memory"); 118 119 *out2 = x2; 120 *out3 = x3; 121 *out4 = x4; 122 *out5 = x5; 123 return x0; 124 } 125 126 static inline 127 unsigned long vmware_hypercall7(unsigned long cmd, unsigned long in1, 128 unsigned long in3, unsigned long in4, 129 unsigned long in5, u32 *out1, 130 u32 *out2, u32 *out3) 131 { 132 register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; 133 register u64 x1 asm("x1") = in1; 134 register u64 x2 asm("x2") = cmd; 135 register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT; 136 register u64 x4 asm("x4") = in4; 137 register u64 x5 asm("x5") = in5; 138 register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | 139 X86_IO_W7_WITH | 140 X86_IO_W7_DIR | 141 (2 << X86_IO_W7_SIZE_SHIFT); 142 143 asm_inline volatile ( 144 "mrs xzr, mdccsr_el0; " 145 : "+r" (x0), "+r" (x1), "+r" (x2), "+r" (x3) 146 : "r" (x4), "r" (x5), "r" (x7) 147 : "memory"); 148 149 *out1 = x1; 150 *out2 = x2; 151 *out3 = x3; 152 return x0; 153 } 154 155 static inline 156 unsigned long vmware_hypercall_hb(unsigned long cmd, unsigned long in2, 157 unsigned long in3, unsigned long in4, 158 unsigned long in5, unsigned long in6, 159 u32 *out1, int dir) 160 { 161 register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; 162 register u64 x1 asm("x1") = cmd; 163 register u64 x2 asm("x2") = in2; 164 register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT_HB; 165 register u64 x4 asm("x4") = in4; 166 register u64 x5 asm("x5") = in5; 167 register u64 x6 asm("x6") = in6; 168 register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | 169 X86_IO_W7_STR | 170 X86_IO_W7_WITH | 171 dir; 172 173 asm_inline volatile ( 174 "mrs xzr, mdccsr_el0; " 175 : "+r" (x0), "+r" (x1) 176 : "r" (x2), "r" (x3), "r" (x4), "r" (x5), 177 "r" (x6), "r" (x7) 178 : "memory"); 179 180 *out1 = x1; 181 return x0; 182 } 183 184 static inline 185 unsigned long vmware_hypercall_hb_out(unsigned long cmd, unsigned long in2, 186 unsigned long in3, unsigned long in4, 187 unsigned long in5, unsigned long in6, 188 u32 *out1) 189 { 190 return vmware_hypercall_hb(cmd, in2, in3, in4, in5, in6, out1, 0); 191 } 192 193 static inline 194 unsigned long vmware_hypercall_hb_in(unsigned long cmd, unsigned long in2, 195 unsigned long in3, unsigned long in4, 196 unsigned long in5, unsigned long in6, 197 u32 *out1) 198 { 199 return vmware_hypercall_hb(cmd, in2, in3, in4, in5, in6, out1, 200 X86_IO_W7_DIR); 201 } 202 #endif 203 204 #endif /* _VMWGFX_MSG_ARM64_H */ 205