ARM: gic: define GICH offsets for VGIC support

The GICH_* constants are defined by the GIC HW spec, and even though
they only be used by KVM to begin with, define them generically in gic.h.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index 9509e8785cad..ef61d80946be 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -32,6 +32,31 @@
 #define GIC_DIST_CONFIG                 0xc00
 #define GIC_DIST_SOFTINT                0xf00
 
+#define GICH_HCR                        0x0
+#define GICH_VTR                        0x4
+#define GICH_VMCR                       0x8
+#define GICH_MISR                       0x10
+#define GICH_EISR0                      0x20
+#define GICH_EISR1                      0x24
+#define GICH_ELRSR0                     0x30
+#define GICH_ELRSR1                     0x34
+#define GICH_APR                        0xf0
+#define GICH_LR0                        0x100
+
+#define GICH_HCR_EN                     (1 << 0)
+#define GICH_HCR_UIE                    (1 << 1)
+
+#define GICH_LR_VIRTUALID               (0x3ff << 0)
+#define GICH_LR_PHYSID_CPUID_SHIFT      (10)
+#define GICH_LR_PHYSID_CPUID            (7 << GICH_LR_PHYSID_CPUID_SHIFT)
+#define GICH_LR_STATE                   (3 << 28)
+#define GICH_LR_PENDING_BIT             (1 << 28)
+#define GICH_LR_ACTIVE_BIT              (1 << 29)
+#define GICH_LR_EOI                     (1 << 19)
+
+#define GICH_MISR_EOI                   (1 << 0)
+#define GICH_MISR_U                     (1 << 1)
+
 struct device_node;
 
 extern struct irq_chip gic_arch_extn;