virtio-scsi: suppress virtqueue kick during processing
[qemu.git] / target / arm / kvm-consts.h
1 /*
2 * KVM ARM ABI constant definitions
3 *
4 * Copyright (c) 2013 Linaro Limited
5 *
6 * Provide versions of KVM constant defines that can be used even
7 * when CONFIG_KVM is not set and we don't have access to the
8 * KVM headers. If CONFIG_KVM is set, we do a compile-time check
9 * that we haven't got out of sync somehow.
10 *
11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
12 * See the COPYING file in the top-level directory.
13 */
14 #ifndef ARM_KVM_CONSTS_H
15 #define ARM_KVM_CONSTS_H
16
17 #ifdef CONFIG_KVM
18 #include <linux/kvm.h>
19 #include <linux/psci.h>
20
21 #define MISMATCH_CHECK(X, Y) QEMU_BUILD_BUG_ON(X != Y)
22
23 #else
24 #define MISMATCH_CHECK(X, Y)
25 #endif
26
27 #define CP_REG_SIZE_SHIFT 52
28 #define CP_REG_SIZE_MASK 0x00f0000000000000ULL
29 #define CP_REG_SIZE_U32 0x0020000000000000ULL
30 #define CP_REG_SIZE_U64 0x0030000000000000ULL
31 #define CP_REG_ARM 0x4000000000000000ULL
32 #define CP_REG_ARCH_MASK 0xff00000000000000ULL
33
34 MISMATCH_CHECK(CP_REG_SIZE_SHIFT, KVM_REG_SIZE_SHIFT)
35 MISMATCH_CHECK(CP_REG_SIZE_MASK, KVM_REG_SIZE_MASK)
36 MISMATCH_CHECK(CP_REG_SIZE_U32, KVM_REG_SIZE_U32)
37 MISMATCH_CHECK(CP_REG_SIZE_U64, KVM_REG_SIZE_U64)
38 MISMATCH_CHECK(CP_REG_ARM, KVM_REG_ARM)
39 MISMATCH_CHECK(CP_REG_ARCH_MASK, KVM_REG_ARCH_MASK)
40
41 #define QEMU_PSCI_0_1_FN_BASE 0x95c1ba5e
42 #define QEMU_PSCI_0_1_FN(n) (QEMU_PSCI_0_1_FN_BASE + (n))
43 #define QEMU_PSCI_0_1_FN_CPU_SUSPEND QEMU_PSCI_0_1_FN(0)
44 #define QEMU_PSCI_0_1_FN_CPU_OFF QEMU_PSCI_0_1_FN(1)
45 #define QEMU_PSCI_0_1_FN_CPU_ON QEMU_PSCI_0_1_FN(2)
46 #define QEMU_PSCI_0_1_FN_MIGRATE QEMU_PSCI_0_1_FN(3)
47
48 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_SUSPEND, KVM_PSCI_FN_CPU_SUSPEND)
49 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_OFF, KVM_PSCI_FN_CPU_OFF)
50 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_ON, KVM_PSCI_FN_CPU_ON)
51 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_MIGRATE, KVM_PSCI_FN_MIGRATE)
52
53 #define QEMU_PSCI_0_2_FN_BASE 0x84000000
54 #define QEMU_PSCI_0_2_FN(n) (QEMU_PSCI_0_2_FN_BASE + (n))
55
56 #define QEMU_PSCI_0_2_64BIT 0x40000000
57 #define QEMU_PSCI_0_2_FN64_BASE \
58 (QEMU_PSCI_0_2_FN_BASE + QEMU_PSCI_0_2_64BIT)
59 #define QEMU_PSCI_0_2_FN64(n) (QEMU_PSCI_0_2_FN64_BASE + (n))
60
61 #define QEMU_PSCI_0_2_FN_PSCI_VERSION QEMU_PSCI_0_2_FN(0)
62 #define QEMU_PSCI_0_2_FN_CPU_SUSPEND QEMU_PSCI_0_2_FN(1)
63 #define QEMU_PSCI_0_2_FN_CPU_OFF QEMU_PSCI_0_2_FN(2)
64 #define QEMU_PSCI_0_2_FN_CPU_ON QEMU_PSCI_0_2_FN(3)
65 #define QEMU_PSCI_0_2_FN_AFFINITY_INFO QEMU_PSCI_0_2_FN(4)
66 #define QEMU_PSCI_0_2_FN_MIGRATE QEMU_PSCI_0_2_FN(5)
67 #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE QEMU_PSCI_0_2_FN(6)
68 #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU QEMU_PSCI_0_2_FN(7)
69 #define QEMU_PSCI_0_2_FN_SYSTEM_OFF QEMU_PSCI_0_2_FN(8)
70 #define QEMU_PSCI_0_2_FN_SYSTEM_RESET QEMU_PSCI_0_2_FN(9)
71
72 #define QEMU_PSCI_0_2_FN64_CPU_SUSPEND QEMU_PSCI_0_2_FN64(1)
73 #define QEMU_PSCI_0_2_FN64_CPU_OFF QEMU_PSCI_0_2_FN64(2)
74 #define QEMU_PSCI_0_2_FN64_CPU_ON QEMU_PSCI_0_2_FN64(3)
75 #define QEMU_PSCI_0_2_FN64_AFFINITY_INFO QEMU_PSCI_0_2_FN64(4)
76 #define QEMU_PSCI_0_2_FN64_MIGRATE QEMU_PSCI_0_2_FN64(5)
77
78 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_SUSPEND, PSCI_0_2_FN_CPU_SUSPEND)
79 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_OFF, PSCI_0_2_FN_CPU_OFF)
80 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_ON, PSCI_0_2_FN_CPU_ON)
81 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_MIGRATE, PSCI_0_2_FN_MIGRATE)
82 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_SUSPEND, PSCI_0_2_FN64_CPU_SUSPEND)
83 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_ON, PSCI_0_2_FN64_CPU_ON)
84 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_MIGRATE, PSCI_0_2_FN64_MIGRATE)
85
86 /* PSCI v0.2 return values used by TCG emulation of PSCI */
87
88 /* No Trusted OS migration to worry about when offlining CPUs */
89 #define QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED 2
90
91 /* We implement version 0.2 only */
92 #define QEMU_PSCI_0_2_RET_VERSION_0_2 2
93
94 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED, PSCI_0_2_TOS_MP)
95 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_VERSION_0_2,
96 (PSCI_VERSION_MAJOR(0) | PSCI_VERSION_MINOR(2)))
97
98 /* PSCI return values (inclusive of all PSCI versions) */
99 #define QEMU_PSCI_RET_SUCCESS 0
100 #define QEMU_PSCI_RET_NOT_SUPPORTED -1
101 #define QEMU_PSCI_RET_INVALID_PARAMS -2
102 #define QEMU_PSCI_RET_DENIED -3
103 #define QEMU_PSCI_RET_ALREADY_ON -4
104 #define QEMU_PSCI_RET_ON_PENDING -5
105 #define QEMU_PSCI_RET_INTERNAL_FAILURE -6
106 #define QEMU_PSCI_RET_NOT_PRESENT -7
107 #define QEMU_PSCI_RET_DISABLED -8
108
109 MISMATCH_CHECK(QEMU_PSCI_RET_SUCCESS, PSCI_RET_SUCCESS)
110 MISMATCH_CHECK(QEMU_PSCI_RET_NOT_SUPPORTED, PSCI_RET_NOT_SUPPORTED)
111 MISMATCH_CHECK(QEMU_PSCI_RET_INVALID_PARAMS, PSCI_RET_INVALID_PARAMS)
112 MISMATCH_CHECK(QEMU_PSCI_RET_DENIED, PSCI_RET_DENIED)
113 MISMATCH_CHECK(QEMU_PSCI_RET_ALREADY_ON, PSCI_RET_ALREADY_ON)
114 MISMATCH_CHECK(QEMU_PSCI_RET_ON_PENDING, PSCI_RET_ON_PENDING)
115 MISMATCH_CHECK(QEMU_PSCI_RET_INTERNAL_FAILURE, PSCI_RET_INTERNAL_FAILURE)
116 MISMATCH_CHECK(QEMU_PSCI_RET_NOT_PRESENT, PSCI_RET_NOT_PRESENT)
117 MISMATCH_CHECK(QEMU_PSCI_RET_DISABLED, PSCI_RET_DISABLED)
118
119 /* Note that KVM uses overlapping values for AArch32 and AArch64
120 * target CPU numbers. AArch32 targets:
121 */
122 #define QEMU_KVM_ARM_TARGET_CORTEX_A15 0
123 #define QEMU_KVM_ARM_TARGET_CORTEX_A7 1
124
125 /* AArch64 targets: */
126 #define QEMU_KVM_ARM_TARGET_AEM_V8 0
127 #define QEMU_KVM_ARM_TARGET_FOUNDATION_V8 1
128 #define QEMU_KVM_ARM_TARGET_CORTEX_A57 2
129 #define QEMU_KVM_ARM_TARGET_XGENE_POTENZA 3
130 #define QEMU_KVM_ARM_TARGET_CORTEX_A53 4
131
132 /* There's no kernel define for this: sentinel value which
133 * matches no KVM target value for either 64 or 32 bit
134 */
135 #define QEMU_KVM_ARM_TARGET_NONE UINT_MAX
136
137 #ifdef TARGET_AARCH64
138 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_AEM_V8, KVM_ARM_TARGET_AEM_V8)
139 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_FOUNDATION_V8, KVM_ARM_TARGET_FOUNDATION_V8)
140 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A57, KVM_ARM_TARGET_CORTEX_A57)
141 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_XGENE_POTENZA, KVM_ARM_TARGET_XGENE_POTENZA)
142 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A53, KVM_ARM_TARGET_CORTEX_A53)
143 #else
144 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A15, KVM_ARM_TARGET_CORTEX_A15)
145 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A7, KVM_ARM_TARGET_CORTEX_A7)
146 #endif
147
148 #define CP_REG_ARM64 0x6000000000000000ULL
149 #define CP_REG_ARM_COPROC_MASK 0x000000000FFF0000
150 #define CP_REG_ARM_COPROC_SHIFT 16
151 #define CP_REG_ARM64_SYSREG (0x0013 << CP_REG_ARM_COPROC_SHIFT)
152 #define CP_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000
153 #define CP_REG_ARM64_SYSREG_OP0_SHIFT 14
154 #define CP_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800
155 #define CP_REG_ARM64_SYSREG_OP1_SHIFT 11
156 #define CP_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780
157 #define CP_REG_ARM64_SYSREG_CRN_SHIFT 7
158 #define CP_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078
159 #define CP_REG_ARM64_SYSREG_CRM_SHIFT 3
160 #define CP_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007
161 #define CP_REG_ARM64_SYSREG_OP2_SHIFT 0
162
163 /* No kernel define but it's useful to QEMU */
164 #define CP_REG_ARM64_SYSREG_CP (CP_REG_ARM64_SYSREG >> CP_REG_ARM_COPROC_SHIFT)
165
166 #ifdef TARGET_AARCH64
167 MISMATCH_CHECK(CP_REG_ARM64, KVM_REG_ARM64)
168 MISMATCH_CHECK(CP_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_MASK)
169 MISMATCH_CHECK(CP_REG_ARM_COPROC_SHIFT, KVM_REG_ARM_COPROC_SHIFT)
170 MISMATCH_CHECK(CP_REG_ARM64_SYSREG, KVM_REG_ARM64_SYSREG)
171 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_MASK, KVM_REG_ARM64_SYSREG_OP0_MASK)
172 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_SHIFT, KVM_REG_ARM64_SYSREG_OP0_SHIFT)
173 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_MASK, KVM_REG_ARM64_SYSREG_OP1_MASK)
174 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_SHIFT, KVM_REG_ARM64_SYSREG_OP1_SHIFT)
175 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_MASK, KVM_REG_ARM64_SYSREG_CRN_MASK)
176 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_SHIFT, KVM_REG_ARM64_SYSREG_CRN_SHIFT)
177 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_MASK, KVM_REG_ARM64_SYSREG_CRM_MASK)
178 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_SHIFT, KVM_REG_ARM64_SYSREG_CRM_SHIFT)
179 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_MASK, KVM_REG_ARM64_SYSREG_OP2_MASK)
180 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_SHIFT, KVM_REG_ARM64_SYSREG_OP2_SHIFT)
181 #endif
182
183 #undef MISMATCH_CHECK
184
185 #endif