This patch pulls in SVE-related declarations from my kernel SVE
development branch, so that kvmtool can make use of them.
Signed-off-by: Dave Martin <Dave.Martin@xxxxxxx>
---
arm/aarch64/include/asm/kvm.h | 13 +++++++++++++
include/linux/kvm.h | 2 ++
2 files changed, 15 insertions(+)
diff --git a/arm/aarch64/include/asm/kvm.h b/arm/aarch64/include/asm/kvm.h
index 97c3478..fc613af 100644
--- a/arm/aarch64/include/asm/kvm.h
+++ b/arm/aarch64/include/asm/kvm.h
@@ -102,6 +102,7 @@ struct kvm_regs {
#define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */
#define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */
#define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */
+#define KVM_ARM_VCPU_SVE 4 /* enable SVE for this CPU */
struct kvm_vcpu_init {
__u32 target;
@@ -226,6 +227,18 @@ struct kvm_vcpu_events {
KVM_REG_ARM_FW | ((r) & 0xffff))
#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0)
+/* SVE registers */
+#define KVM_REG_ARM64_SVE (0x15 << KVM_REG_ARM_COPROC_SHIFT)
+#define KVM_REG_ARM64_SVE_ZREG(n, i) (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | \
+ KVM_REG_SIZE_U2048 | \
+ ((n) << 5) | (i))
+#define KVM_REG_ARM64_SVE_PREG(n, i) (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | \
+ KVM_REG_SIZE_U256 | \
+ ((n) << 5) | (i) | 0x400)
+#define KVM_REG_ARM64_SVE_FFR(i) KVM_REG_ARM64_SVE_PREG(16, i)
+#define KVM_REG_ARM64_SVE_VLS (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | \
+ KVM_REG_SIZE_U512 | 0xffff)
+
/* Device Control API: ARM VGIC */
#define KVM_DEV_ARM_VGIC_GRP_ADDR 0
#define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 6d4ea4b..4ea0d92 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -988,6 +988,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ARM_VM_IPA_SIZE 165
#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166
#define KVM_CAP_HYPERV_CPUID 167
+#define KVM_CAP_ARM_SVE 168
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1145,6 +1146,7 @@ struct kvm_dirty_tlb {
#define KVM_REG_SIZE_U256 0x0050000000000000ULL
#define KVM_REG_SIZE_U512 0x0060000000000000ULL
#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
+#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
struct kvm_reg_list {
__u64 n; /* number of regs */
--
2.1.4
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