v4.19.13 snapshot.
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
new file mode 100644
index 0000000..8bdbb5f
--- /dev/null
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -0,0 +1,620 @@
+/*
+ * Copyright (C) 2013, 2014 ARM Limited, All Rights Reserved.
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __LINUX_IRQCHIP_ARM_GIC_V3_H
+#define __LINUX_IRQCHIP_ARM_GIC_V3_H
+
+/*
+ * Distributor registers. We assume we're running non-secure, with ARE
+ * being set. Secure-only and non-ARE registers are not described.
+ */
+#define GICD_CTLR 0x0000
+#define GICD_TYPER 0x0004
+#define GICD_IIDR 0x0008
+#define GICD_STATUSR 0x0010
+#define GICD_SETSPI_NSR 0x0040
+#define GICD_CLRSPI_NSR 0x0048
+#define GICD_SETSPI_SR 0x0050
+#define GICD_CLRSPI_SR 0x0058
+#define GICD_SEIR 0x0068
+#define GICD_IGROUPR 0x0080
+#define GICD_ISENABLER 0x0100
+#define GICD_ICENABLER 0x0180
+#define GICD_ISPENDR 0x0200
+#define GICD_ICPENDR 0x0280
+#define GICD_ISACTIVER 0x0300
+#define GICD_ICACTIVER 0x0380
+#define GICD_IPRIORITYR 0x0400
+#define GICD_ICFGR 0x0C00
+#define GICD_IGRPMODR 0x0D00
+#define GICD_NSACR 0x0E00
+#define GICD_IROUTER 0x6000
+#define GICD_IDREGS 0xFFD0
+#define GICD_PIDR2 0xFFE8
+
+/*
+ * Those registers are actually from GICv2, but the spec demands that they
+ * are implemented as RES0 if ARE is 1 (which we do in KVM's emulated GICv3).
+ */
+#define GICD_ITARGETSR 0x0800
+#define GICD_SGIR 0x0F00
+#define GICD_CPENDSGIR 0x0F10
+#define GICD_SPENDSGIR 0x0F20
+
+#define GICD_CTLR_RWP (1U << 31)
+#define GICD_CTLR_DS (1U << 6)
+#define GICD_CTLR_ARE_NS (1U << 4)
+#define GICD_CTLR_ENABLE_G1A (1U << 1)
+#define GICD_CTLR_ENABLE_G1 (1U << 0)
+
+#define GICD_IIDR_IMPLEMENTER_SHIFT 0
+#define GICD_IIDR_IMPLEMENTER_MASK (0xfff << GICD_IIDR_IMPLEMENTER_SHIFT)
+#define GICD_IIDR_REVISION_SHIFT 12
+#define GICD_IIDR_REVISION_MASK (0xf << GICD_IIDR_REVISION_SHIFT)
+#define GICD_IIDR_VARIANT_SHIFT 16
+#define GICD_IIDR_VARIANT_MASK (0xf << GICD_IIDR_VARIANT_SHIFT)
+#define GICD_IIDR_PRODUCT_ID_SHIFT 24
+#define GICD_IIDR_PRODUCT_ID_MASK (0xff << GICD_IIDR_PRODUCT_ID_SHIFT)
+
+
+/*
+ * In systems with a single security state (what we emulate in KVM)
+ * the meaning of the interrupt group enable bits is slightly different
+ */
+#define GICD_CTLR_ENABLE_SS_G1 (1U << 1)
+#define GICD_CTLR_ENABLE_SS_G0 (1U << 0)
+
+#define GICD_TYPER_RSS (1U << 26)
+#define GICD_TYPER_LPIS (1U << 17)
+#define GICD_TYPER_MBIS (1U << 16)
+
+#define GICD_TYPER_ID_BITS(typer) ((((typer) >> 19) & 0x1f) + 1)
+#define GICD_TYPER_NUM_LPIS(typer) ((((typer) >> 11) & 0x1f) + 1)
+#define GICD_TYPER_IRQS(typer) ((((typer) & 0x1f) + 1) * 32)
+
+#define GICD_IROUTER_SPI_MODE_ONE (0U << 31)
+#define GICD_IROUTER_SPI_MODE_ANY (1U << 31)
+
+#define GIC_PIDR2_ARCH_MASK 0xf0
+#define GIC_PIDR2_ARCH_GICv3 0x30
+#define GIC_PIDR2_ARCH_GICv4 0x40
+
+#define GIC_V3_DIST_SIZE 0x10000
+
+/*
+ * Re-Distributor registers, offsets from RD_base
+ */
+#define GICR_CTLR GICD_CTLR
+#define GICR_IIDR 0x0004
+#define GICR_TYPER 0x0008
+#define GICR_STATUSR GICD_STATUSR
+#define GICR_WAKER 0x0014
+#define GICR_SETLPIR 0x0040
+#define GICR_CLRLPIR 0x0048
+#define GICR_SEIR GICD_SEIR
+#define GICR_PROPBASER 0x0070
+#define GICR_PENDBASER 0x0078
+#define GICR_INVLPIR 0x00A0
+#define GICR_INVALLR 0x00B0
+#define GICR_SYNCR 0x00C0
+#define GICR_MOVLPIR 0x0100
+#define GICR_MOVALLR 0x0110
+#define GICR_IDREGS GICD_IDREGS
+#define GICR_PIDR2 GICD_PIDR2
+
+#define GICR_CTLR_ENABLE_LPIS (1UL << 0)
+#define GICR_CTLR_RWP (1UL << 3)
+
+#define GICR_TYPER_CPU_NUMBER(r) (((r) >> 8) & 0xffff)
+
+#define GICR_WAKER_ProcessorSleep (1U << 1)
+#define GICR_WAKER_ChildrenAsleep (1U << 2)
+
+#define GIC_BASER_CACHE_nCnB 0ULL
+#define GIC_BASER_CACHE_SameAsInner 0ULL
+#define GIC_BASER_CACHE_nC 1ULL
+#define GIC_BASER_CACHE_RaWt 2ULL
+#define GIC_BASER_CACHE_RaWb 3ULL
+#define GIC_BASER_CACHE_WaWt 4ULL
+#define GIC_BASER_CACHE_WaWb 5ULL
+#define GIC_BASER_CACHE_RaWaWt 6ULL
+#define GIC_BASER_CACHE_RaWaWb 7ULL
+#define GIC_BASER_CACHE_MASK 7ULL
+#define GIC_BASER_NonShareable 0ULL
+#define GIC_BASER_InnerShareable 1ULL
+#define GIC_BASER_OuterShareable 2ULL
+#define GIC_BASER_SHAREABILITY_MASK 3ULL
+
+#define GIC_BASER_CACHEABILITY(reg, inner_outer, type) \
+ (GIC_BASER_CACHE_##type << reg##_##inner_outer##_CACHEABILITY_SHIFT)
+
+#define GIC_BASER_SHAREABILITY(reg, type) \
+ (GIC_BASER_##type << reg##_SHAREABILITY_SHIFT)
+
+/* encode a size field of width @w containing @n - 1 units */
+#define GIC_ENCODE_SZ(n, w) (((unsigned long)(n) - 1) & GENMASK_ULL(((w) - 1), 0))
+
+#define GICR_PROPBASER_SHAREABILITY_SHIFT (10)
+#define GICR_PROPBASER_INNER_CACHEABILITY_SHIFT (7)
+#define GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT (56)
+#define GICR_PROPBASER_SHAREABILITY_MASK \
+ GIC_BASER_SHAREABILITY(GICR_PROPBASER, SHAREABILITY_MASK)
+#define GICR_PROPBASER_INNER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, MASK)
+#define GICR_PROPBASER_OUTER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_PROPBASER, OUTER, MASK)
+#define GICR_PROPBASER_CACHEABILITY_MASK GICR_PROPBASER_INNER_CACHEABILITY_MASK
+
+#define GICR_PROPBASER_InnerShareable \
+ GIC_BASER_SHAREABILITY(GICR_PROPBASER, InnerShareable)
+
+#define GICR_PROPBASER_nCnB GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, nCnB)
+#define GICR_PROPBASER_nC GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, nC)
+#define GICR_PROPBASER_RaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWt)
+#define GICR_PROPBASER_RaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWt)
+#define GICR_PROPBASER_WaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WaWt)
+#define GICR_PROPBASER_WaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WaWb)
+#define GICR_PROPBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWaWt)
+#define GICR_PROPBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWaWb)
+
+#define GICR_PROPBASER_IDBITS_MASK (0x1f)
+#define GICR_PROPBASER_ADDRESS(x) ((x) & GENMASK_ULL(51, 12))
+#define GICR_PENDBASER_ADDRESS(x) ((x) & GENMASK_ULL(51, 16))
+
+#define GICR_PENDBASER_SHAREABILITY_SHIFT (10)
+#define GICR_PENDBASER_INNER_CACHEABILITY_SHIFT (7)
+#define GICR_PENDBASER_OUTER_CACHEABILITY_SHIFT (56)
+#define GICR_PENDBASER_SHAREABILITY_MASK \
+ GIC_BASER_SHAREABILITY(GICR_PENDBASER, SHAREABILITY_MASK)
+#define GICR_PENDBASER_INNER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, MASK)
+#define GICR_PENDBASER_OUTER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_PENDBASER, OUTER, MASK)
+#define GICR_PENDBASER_CACHEABILITY_MASK GICR_PENDBASER_INNER_CACHEABILITY_MASK
+
+#define GICR_PENDBASER_InnerShareable \
+ GIC_BASER_SHAREABILITY(GICR_PENDBASER, InnerShareable)
+
+#define GICR_PENDBASER_nCnB GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, nCnB)
+#define GICR_PENDBASER_nC GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, nC)
+#define GICR_PENDBASER_RaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWt)
+#define GICR_PENDBASER_RaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWt)
+#define GICR_PENDBASER_WaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WaWt)
+#define GICR_PENDBASER_WaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WaWb)
+#define GICR_PENDBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWaWt)
+#define GICR_PENDBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWaWb)
+
+#define GICR_PENDBASER_PTZ BIT_ULL(62)
+
+/*
+ * Re-Distributor registers, offsets from SGI_base
+ */
+#define GICR_IGROUPR0 GICD_IGROUPR
+#define GICR_ISENABLER0 GICD_ISENABLER
+#define GICR_ICENABLER0 GICD_ICENABLER
+#define GICR_ISPENDR0 GICD_ISPENDR
+#define GICR_ICPENDR0 GICD_ICPENDR
+#define GICR_ISACTIVER0 GICD_ISACTIVER
+#define GICR_ICACTIVER0 GICD_ICACTIVER
+#define GICR_IPRIORITYR0 GICD_IPRIORITYR
+#define GICR_ICFGR0 GICD_ICFGR
+#define GICR_IGRPMODR0 GICD_IGRPMODR
+#define GICR_NSACR GICD_NSACR
+
+#define GICR_TYPER_PLPIS (1U << 0)
+#define GICR_TYPER_VLPIS (1U << 1)
+#define GICR_TYPER_DirectLPIS (1U << 3)
+#define GICR_TYPER_LAST (1U << 4)
+
+#define GIC_V3_REDIST_SIZE 0x20000
+
+#define LPI_PROP_GROUP1 (1 << 1)
+#define LPI_PROP_ENABLED (1 << 0)
+
+/*
+ * Re-Distributor registers, offsets from VLPI_base
+ */
+#define GICR_VPROPBASER 0x0070
+
+#define GICR_VPROPBASER_IDBITS_MASK 0x1f
+
+#define GICR_VPROPBASER_SHAREABILITY_SHIFT (10)
+#define GICR_VPROPBASER_INNER_CACHEABILITY_SHIFT (7)
+#define GICR_VPROPBASER_OUTER_CACHEABILITY_SHIFT (56)
+
+#define GICR_VPROPBASER_SHAREABILITY_MASK \
+ GIC_BASER_SHAREABILITY(GICR_VPROPBASER, SHAREABILITY_MASK)
+#define GICR_VPROPBASER_INNER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, MASK)
+#define GICR_VPROPBASER_OUTER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_VPROPBASER, OUTER, MASK)
+#define GICR_VPROPBASER_CACHEABILITY_MASK \
+ GICR_VPROPBASER_INNER_CACHEABILITY_MASK
+
+#define GICR_VPROPBASER_InnerShareable \
+ GIC_BASER_SHAREABILITY(GICR_VPROPBASER, InnerShareable)
+
+#define GICR_VPROPBASER_nCnB GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, nCnB)
+#define GICR_VPROPBASER_nC GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, nC)
+#define GICR_VPROPBASER_RaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWt)
+#define GICR_VPROPBASER_RaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWt)
+#define GICR_VPROPBASER_WaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, WaWt)
+#define GICR_VPROPBASER_WaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, WaWb)
+#define GICR_VPROPBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWaWt)
+#define GICR_VPROPBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWaWb)
+
+#define GICR_VPENDBASER 0x0078
+
+#define GICR_VPENDBASER_SHAREABILITY_SHIFT (10)
+#define GICR_VPENDBASER_INNER_CACHEABILITY_SHIFT (7)
+#define GICR_VPENDBASER_OUTER_CACHEABILITY_SHIFT (56)
+#define GICR_VPENDBASER_SHAREABILITY_MASK \
+ GIC_BASER_SHAREABILITY(GICR_VPENDBASER, SHAREABILITY_MASK)
+#define GICR_VPENDBASER_INNER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, MASK)
+#define GICR_VPENDBASER_OUTER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GICR_VPENDBASER, OUTER, MASK)
+#define GICR_VPENDBASER_CACHEABILITY_MASK \
+ GICR_VPENDBASER_INNER_CACHEABILITY_MASK
+
+#define GICR_VPENDBASER_NonShareable \
+ GIC_BASER_SHAREABILITY(GICR_VPENDBASER, NonShareable)
+
+#define GICR_VPENDBASER_nCnB GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, nCnB)
+#define GICR_VPENDBASER_nC GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, nC)
+#define GICR_VPENDBASER_RaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWt)
+#define GICR_VPENDBASER_RaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWt)
+#define GICR_VPENDBASER_WaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, WaWt)
+#define GICR_VPENDBASER_WaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, WaWb)
+#define GICR_VPENDBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWaWt)
+#define GICR_VPENDBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWaWb)
+
+#define GICR_VPENDBASER_Dirty (1ULL << 60)
+#define GICR_VPENDBASER_PendingLast (1ULL << 61)
+#define GICR_VPENDBASER_IDAI (1ULL << 62)
+#define GICR_VPENDBASER_Valid (1ULL << 63)
+
+/*
+ * ITS registers, offsets from ITS_base
+ */
+#define GITS_CTLR 0x0000
+#define GITS_IIDR 0x0004
+#define GITS_TYPER 0x0008
+#define GITS_CBASER 0x0080
+#define GITS_CWRITER 0x0088
+#define GITS_CREADR 0x0090
+#define GITS_BASER 0x0100
+#define GITS_IDREGS_BASE 0xffd0
+#define GITS_PIDR0 0xffe0
+#define GITS_PIDR1 0xffe4
+#define GITS_PIDR2 GICR_PIDR2
+#define GITS_PIDR4 0xffd0
+#define GITS_CIDR0 0xfff0
+#define GITS_CIDR1 0xfff4
+#define GITS_CIDR2 0xfff8
+#define GITS_CIDR3 0xfffc
+
+#define GITS_TRANSLATER 0x10040
+
+#define GITS_CTLR_ENABLE (1U << 0)
+#define GITS_CTLR_ImDe (1U << 1)
+#define GITS_CTLR_ITS_NUMBER_SHIFT 4
+#define GITS_CTLR_ITS_NUMBER (0xFU << GITS_CTLR_ITS_NUMBER_SHIFT)
+#define GITS_CTLR_QUIESCENT (1U << 31)
+
+#define GITS_TYPER_PLPIS (1UL << 0)
+#define GITS_TYPER_VLPIS (1UL << 1)
+#define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4
+#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0x1f) + 1)
+#define GITS_TYPER_IDBITS_SHIFT 8
+#define GITS_TYPER_DEVBITS_SHIFT 13
+#define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1)
+#define GITS_TYPER_PTA (1UL << 19)
+#define GITS_TYPER_HCC_SHIFT 24
+#define GITS_TYPER_HCC(r) (((r) >> GITS_TYPER_HCC_SHIFT) & 0xff)
+#define GITS_TYPER_VMOVP (1ULL << 37)
+
+#define GITS_IIDR_REV_SHIFT 12
+#define GITS_IIDR_REV_MASK (0xf << GITS_IIDR_REV_SHIFT)
+#define GITS_IIDR_REV(r) (((r) >> GITS_IIDR_REV_SHIFT) & 0xf)
+#define GITS_IIDR_PRODUCTID_SHIFT 24
+
+#define GITS_CBASER_VALID (1ULL << 63)
+#define GITS_CBASER_SHAREABILITY_SHIFT (10)
+#define GITS_CBASER_INNER_CACHEABILITY_SHIFT (59)
+#define GITS_CBASER_OUTER_CACHEABILITY_SHIFT (53)
+#define GITS_CBASER_SHAREABILITY_MASK \
+ GIC_BASER_SHAREABILITY(GITS_CBASER, SHAREABILITY_MASK)
+#define GITS_CBASER_INNER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, MASK)
+#define GITS_CBASER_OUTER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GITS_CBASER, OUTER, MASK)
+#define GITS_CBASER_CACHEABILITY_MASK GITS_CBASER_INNER_CACHEABILITY_MASK
+
+#define GITS_CBASER_InnerShareable \
+ GIC_BASER_SHAREABILITY(GITS_CBASER, InnerShareable)
+
+#define GITS_CBASER_nCnB GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, nCnB)
+#define GITS_CBASER_nC GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, nC)
+#define GITS_CBASER_RaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWt)
+#define GITS_CBASER_RaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWt)
+#define GITS_CBASER_WaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, WaWt)
+#define GITS_CBASER_WaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, WaWb)
+#define GITS_CBASER_RaWaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWaWt)
+#define GITS_CBASER_RaWaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWaWb)
+
+#define GITS_BASER_NR_REGS 8
+
+#define GITS_BASER_VALID (1ULL << 63)
+#define GITS_BASER_INDIRECT (1ULL << 62)
+
+#define GITS_BASER_INNER_CACHEABILITY_SHIFT (59)
+#define GITS_BASER_OUTER_CACHEABILITY_SHIFT (53)
+#define GITS_BASER_INNER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GITS_BASER, INNER, MASK)
+#define GITS_BASER_CACHEABILITY_MASK GITS_BASER_INNER_CACHEABILITY_MASK
+#define GITS_BASER_OUTER_CACHEABILITY_MASK \
+ GIC_BASER_CACHEABILITY(GITS_BASER, OUTER, MASK)
+#define GITS_BASER_SHAREABILITY_MASK \
+ GIC_BASER_SHAREABILITY(GITS_BASER, SHAREABILITY_MASK)
+
+#define GITS_BASER_nCnB GIC_BASER_CACHEABILITY(GITS_BASER, INNER, nCnB)
+#define GITS_BASER_nC GIC_BASER_CACHEABILITY(GITS_BASER, INNER, nC)
+#define GITS_BASER_RaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWt)
+#define GITS_BASER_RaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWt)
+#define GITS_BASER_WaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, WaWt)
+#define GITS_BASER_WaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, WaWb)
+#define GITS_BASER_RaWaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWaWt)
+#define GITS_BASER_RaWaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWaWb)
+
+#define GITS_BASER_TYPE_SHIFT (56)
+#define GITS_BASER_TYPE(r) (((r) >> GITS_BASER_TYPE_SHIFT) & 7)
+#define GITS_BASER_ENTRY_SIZE_SHIFT (48)
+#define GITS_BASER_ENTRY_SIZE(r) ((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0x1f) + 1)
+#define GITS_BASER_ENTRY_SIZE_MASK GENMASK_ULL(52, 48)
+#define GITS_BASER_PHYS_52_to_48(phys) \
+ (((phys) & GENMASK_ULL(47, 16)) | (((phys) >> 48) & 0xf) << 12)
+#define GITS_BASER_SHAREABILITY_SHIFT (10)
+#define GITS_BASER_InnerShareable \
+ GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable)
+#define GITS_BASER_PAGE_SIZE_SHIFT (8)
+#define GITS_BASER_PAGE_SIZE_4K (0ULL << GITS_BASER_PAGE_SIZE_SHIFT)
+#define GITS_BASER_PAGE_SIZE_16K (1ULL << GITS_BASER_PAGE_SIZE_SHIFT)
+#define GITS_BASER_PAGE_SIZE_64K (2ULL << GITS_BASER_PAGE_SIZE_SHIFT)
+#define GITS_BASER_PAGE_SIZE_MASK (3ULL << GITS_BASER_PAGE_SIZE_SHIFT)
+#define GITS_BASER_PAGES_MAX 256
+#define GITS_BASER_PAGES_SHIFT (0)
+#define GITS_BASER_NR_PAGES(r) (((r) & 0xff) + 1)
+
+#define GITS_BASER_TYPE_NONE 0
+#define GITS_BASER_TYPE_DEVICE 1
+#define GITS_BASER_TYPE_VCPU 2
+#define GITS_BASER_TYPE_RESERVED3 3
+#define GITS_BASER_TYPE_COLLECTION 4
+#define GITS_BASER_TYPE_RESERVED5 5
+#define GITS_BASER_TYPE_RESERVED6 6
+#define GITS_BASER_TYPE_RESERVED7 7
+
+#define GITS_LVL1_ENTRY_SIZE (8UL)
+
+/*
+ * ITS commands
+ */
+#define GITS_CMD_MAPD 0x08
+#define GITS_CMD_MAPC 0x09
+#define GITS_CMD_MAPTI 0x0a
+#define GITS_CMD_MAPI 0x0b
+#define GITS_CMD_MOVI 0x01
+#define GITS_CMD_DISCARD 0x0f
+#define GITS_CMD_INV 0x0c
+#define GITS_CMD_MOVALL 0x0e
+#define GITS_CMD_INVALL 0x0d
+#define GITS_CMD_INT 0x03
+#define GITS_CMD_CLEAR 0x04
+#define GITS_CMD_SYNC 0x05
+
+/*
+ * GICv4 ITS specific commands
+ */
+#define GITS_CMD_GICv4(x) ((x) | 0x20)
+#define GITS_CMD_VINVALL GITS_CMD_GICv4(GITS_CMD_INVALL)
+#define GITS_CMD_VMAPP GITS_CMD_GICv4(GITS_CMD_MAPC)
+#define GITS_CMD_VMAPTI GITS_CMD_GICv4(GITS_CMD_MAPTI)
+#define GITS_CMD_VMOVI GITS_CMD_GICv4(GITS_CMD_MOVI)
+#define GITS_CMD_VSYNC GITS_CMD_GICv4(GITS_CMD_SYNC)
+/* VMOVP is the odd one, as it doesn't have a physical counterpart */
+#define GITS_CMD_VMOVP GITS_CMD_GICv4(2)
+
+/*
+ * ITS error numbers
+ */
+#define E_ITS_MOVI_UNMAPPED_INTERRUPT 0x010107
+#define E_ITS_MOVI_UNMAPPED_COLLECTION 0x010109
+#define E_ITS_INT_UNMAPPED_INTERRUPT 0x010307
+#define E_ITS_CLEAR_UNMAPPED_INTERRUPT 0x010507
+#define E_ITS_MAPD_DEVICE_OOR 0x010801
+#define E_ITS_MAPD_ITTSIZE_OOR 0x010802
+#define E_ITS_MAPC_PROCNUM_OOR 0x010902
+#define E_ITS_MAPC_COLLECTION_OOR 0x010903
+#define E_ITS_MAPTI_UNMAPPED_DEVICE 0x010a04
+#define E_ITS_MAPTI_ID_OOR 0x010a05
+#define E_ITS_MAPTI_PHYSICALID_OOR 0x010a06
+#define E_ITS_INV_UNMAPPED_INTERRUPT 0x010c07
+#define E_ITS_INVALL_UNMAPPED_COLLECTION 0x010d09
+#define E_ITS_MOVALL_PROCNUM_OOR 0x010e01
+#define E_ITS_DISCARD_UNMAPPED_INTERRUPT 0x010f07
+
+/*
+ * CPU interface registers
+ */
+#define ICC_CTLR_EL1_EOImode_SHIFT (1)
+#define ICC_CTLR_EL1_EOImode_drop_dir (0U << ICC_CTLR_EL1_EOImode_SHIFT)
+#define ICC_CTLR_EL1_EOImode_drop (1U << ICC_CTLR_EL1_EOImode_SHIFT)
+#define ICC_CTLR_EL1_EOImode_MASK (1 << ICC_CTLR_EL1_EOImode_SHIFT)
+#define ICC_CTLR_EL1_CBPR_SHIFT 0
+#define ICC_CTLR_EL1_CBPR_MASK (1 << ICC_CTLR_EL1_CBPR_SHIFT)
+#define ICC_CTLR_EL1_PRI_BITS_SHIFT 8
+#define ICC_CTLR_EL1_PRI_BITS_MASK (0x7 << ICC_CTLR_EL1_PRI_BITS_SHIFT)
+#define ICC_CTLR_EL1_ID_BITS_SHIFT 11
+#define ICC_CTLR_EL1_ID_BITS_MASK (0x7 << ICC_CTLR_EL1_ID_BITS_SHIFT)
+#define ICC_CTLR_EL1_SEIS_SHIFT 14
+#define ICC_CTLR_EL1_SEIS_MASK (0x1 << ICC_CTLR_EL1_SEIS_SHIFT)
+#define ICC_CTLR_EL1_A3V_SHIFT 15
+#define ICC_CTLR_EL1_A3V_MASK (0x1 << ICC_CTLR_EL1_A3V_SHIFT)
+#define ICC_CTLR_EL1_RSS (0x1 << 18)
+#define ICC_PMR_EL1_SHIFT 0
+#define ICC_PMR_EL1_MASK (0xff << ICC_PMR_EL1_SHIFT)
+#define ICC_BPR0_EL1_SHIFT 0
+#define ICC_BPR0_EL1_MASK (0x7 << ICC_BPR0_EL1_SHIFT)
+#define ICC_BPR1_EL1_SHIFT 0
+#define ICC_BPR1_EL1_MASK (0x7 << ICC_BPR1_EL1_SHIFT)
+#define ICC_IGRPEN0_EL1_SHIFT 0
+#define ICC_IGRPEN0_EL1_MASK (1 << ICC_IGRPEN0_EL1_SHIFT)
+#define ICC_IGRPEN1_EL1_SHIFT 0
+#define ICC_IGRPEN1_EL1_MASK (1 << ICC_IGRPEN1_EL1_SHIFT)
+#define ICC_SRE_EL1_DIB (1U << 2)
+#define ICC_SRE_EL1_DFB (1U << 1)
+#define ICC_SRE_EL1_SRE (1U << 0)
+
+/*
+ * Hypervisor interface registers (SRE only)
+ */
+#define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1)
+
+#define ICH_LR_EOI (1ULL << 41)
+#define ICH_LR_GROUP (1ULL << 60)
+#define ICH_LR_HW (1ULL << 61)
+#define ICH_LR_STATE (3ULL << 62)
+#define ICH_LR_PENDING_BIT (1ULL << 62)
+#define ICH_LR_ACTIVE_BIT (1ULL << 63)
+#define ICH_LR_PHYS_ID_SHIFT 32
+#define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
+#define ICH_LR_PRIORITY_SHIFT 48
+#define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT)
+
+/* These are for GICv2 emulation only */
+#define GICH_LR_VIRTUALID (0x3ffUL << 0)
+#define GICH_LR_PHYSID_CPUID_SHIFT (10)
+#define GICH_LR_PHYSID_CPUID (7UL << GICH_LR_PHYSID_CPUID_SHIFT)
+
+#define ICH_MISR_EOI (1 << 0)
+#define ICH_MISR_U (1 << 1)
+
+#define ICH_HCR_EN (1 << 0)
+#define ICH_HCR_UIE (1 << 1)
+#define ICH_HCR_NPIE (1 << 3)
+#define ICH_HCR_TC (1 << 10)
+#define ICH_HCR_TALL0 (1 << 11)
+#define ICH_HCR_TALL1 (1 << 12)
+#define ICH_HCR_EOIcount_SHIFT 27
+#define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT)
+
+#define ICH_VMCR_ACK_CTL_SHIFT 2
+#define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT)
+#define ICH_VMCR_FIQ_EN_SHIFT 3
+#define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT)
+#define ICH_VMCR_CBPR_SHIFT 4
+#define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT)
+#define ICH_VMCR_EOIM_SHIFT 9
+#define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT)
+#define ICH_VMCR_BPR1_SHIFT 18
+#define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT)
+#define ICH_VMCR_BPR0_SHIFT 21
+#define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT)
+#define ICH_VMCR_PMR_SHIFT 24
+#define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT)
+#define ICH_VMCR_ENG0_SHIFT 0
+#define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT)
+#define ICH_VMCR_ENG1_SHIFT 1
+#define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT)
+
+#define ICH_VTR_PRI_BITS_SHIFT 29
+#define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT)
+#define ICH_VTR_ID_BITS_SHIFT 23
+#define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT)
+#define ICH_VTR_SEIS_SHIFT 22
+#define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT)
+#define ICH_VTR_A3V_SHIFT 21
+#define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT)
+
+#define ICC_IAR1_EL1_SPURIOUS 0x3ff
+
+#define ICC_SRE_EL2_SRE (1 << 0)
+#define ICC_SRE_EL2_ENABLE (1 << 3)
+
+#define ICC_SGI1R_TARGET_LIST_SHIFT 0
+#define ICC_SGI1R_TARGET_LIST_MASK (0xffff << ICC_SGI1R_TARGET_LIST_SHIFT)
+#define ICC_SGI1R_AFFINITY_1_SHIFT 16
+#define ICC_SGI1R_AFFINITY_1_MASK (0xff << ICC_SGI1R_AFFINITY_1_SHIFT)
+#define ICC_SGI1R_SGI_ID_SHIFT 24
+#define ICC_SGI1R_SGI_ID_MASK (0xfULL << ICC_SGI1R_SGI_ID_SHIFT)
+#define ICC_SGI1R_AFFINITY_2_SHIFT 32
+#define ICC_SGI1R_AFFINITY_2_MASK (0xffULL << ICC_SGI1R_AFFINITY_2_SHIFT)
+#define ICC_SGI1R_IRQ_ROUTING_MODE_BIT 40
+#define ICC_SGI1R_RS_SHIFT 44
+#define ICC_SGI1R_RS_MASK (0xfULL << ICC_SGI1R_RS_SHIFT)
+#define ICC_SGI1R_AFFINITY_3_SHIFT 48
+#define ICC_SGI1R_AFFINITY_3_MASK (0xffULL << ICC_SGI1R_AFFINITY_3_SHIFT)
+
+#include <asm/arch_gicv3.h>
+
+#ifndef __ASSEMBLY__
+
+/*
+ * We need a value to serve as a irq-type for LPIs. Choose one that will
+ * hopefully pique the interest of the reviewer.
+ */
+#define GIC_IRQ_TYPE_LPI 0xa110c8ed
+
+struct rdists {
+ struct {
+ void __iomem *rd_base;
+ struct page *pend_page;
+ phys_addr_t phys_base;
+ } __percpu *rdist;
+ struct page *prop_page;
+ u64 flags;
+ u32 gicd_typer;
+ bool has_vlpis;
+ bool has_direct_lpi;
+};
+
+struct irq_domain;
+struct fwnode_handle;
+int its_cpu_init(void);
+int its_init(struct fwnode_handle *handle, struct rdists *rdists,
+ struct irq_domain *domain);
+int mbi_init(struct fwnode_handle *fwnode, struct irq_domain *parent);
+
+static inline bool gic_enable_sre(void)
+{
+ u32 val;
+
+ val = gic_read_sre();
+ if (val & ICC_SRE_EL1_SRE)
+ return true;
+
+ val |= ICC_SRE_EL1_SRE;
+ gic_write_sre(val);
+ val = gic_read_sre();
+
+ return !!(val & ICC_SRE_EL1_SRE);
+}
+
+#endif
+
+#endif