[Qemu-devel] [RFC PATCH v2 1/2] kernel: Add definitions for GICv3 attributes

[vijay.kilari@gmail.com]

From: Vijaya Kumar K <Vijaya.Kumar@cavium.com>

This temporary patch adds kernel API definitions. Use proper header update
procedure after these features are released.

Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
---
 linux-headers/asm-arm64/kvm.h | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/linux-headers/asm-arm64/kvm.h b/linux-headers/asm-arm64/kvm.h
index 7d82d1f..396c6f3 100644
--- a/linux-headers/asm-arm64/kvm.h
+++ b/linux-headers/asm-arm64/kvm.h
@@ -180,14 +180,14 @@ struct kvm_arch_memory_slot {
 	KVM_REG_ARM64_SYSREG_ ## n ## _MASK)
 
 #define __ARM64_SYS_REG(op0,op1,crn,crm,op2) \
-	(KVM_REG_ARM64 | KVM_REG_ARM64_SYSREG | \
-	ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \
+	(ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \
 	ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | \
 	ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | \
 	ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | \
 	ARM64_SYS_REG_SHIFT_MASK(op2, OP2))
 
-#define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64)
+#define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_ARM64 | \
+                           KVM_REG_SIZE_U64 | KVM_REG_ARM64_SYSREG)
 
 #define KVM_REG_ARM_TIMER_CTL		ARM64_SYS_REG(3, 3, 14, 3, 1)
 #define KVM_REG_ARM_TIMER_CNT		ARM64_SYS_REG(3, 3, 14, 3, 2)
@@ -199,10 +199,21 @@ struct kvm_arch_memory_slot {
 #define KVM_DEV_ARM_VGIC_GRP_CPU_REGS	2
 #define   KVM_DEV_ARM_VGIC_CPUID_SHIFT	32
 #define   KVM_DEV_ARM_VGIC_CPUID_MASK	(0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT)
+#define   KVM_DEV_ARM_VGIC_V3_CPUID_MASK \
+                              (0xffffffffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT)
 #define   KVM_DEV_ARM_VGIC_OFFSET_SHIFT	0
 #define   KVM_DEV_ARM_VGIC_OFFSET_MASK	(0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT)
+#define   KVM_DEV_ARM_VGIC_SYSREG_MASK (KVM_REG_ARM64_SYSREG_OP0_MASK | \
+                                        KVM_REG_ARM64_SYSREG_OP1_MASK | \
+                                        KVM_REG_ARM64_SYSREG_CRN_MASK | \
+                                        KVM_REG_ARM64_SYSREG_CRM_MASK | \
+                                        KVM_REG_ARM64_SYSREG_OP2_MASK)
+#define   KVM_DEV_ARM_VGIC_SYSREG(op0,op1,crn,crm,op2) \
+                                       __ARM64_SYS_REG(op0,op1,crn,crm,op2)
 #define KVM_DEV_ARM_VGIC_GRP_NR_IRQS	3
 #define KVM_DEV_ARM_VGIC_GRP_CTRL	4
+#define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5
+#define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6
 #define   KVM_DEV_ARM_VGIC_CTRL_INIT	0
 
 /* Device Control API on vcpu fd */
-- 
1.9.1