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arm-gic-v3.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2013, 2014 ARM Limited, All Rights Reserved. * Author: Marc Zyngier <marc.zyngier@arm.com> */ #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_TYPER2 0x000C #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_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_IGROUPRnE 0x1000 #define GICD_ISENABLERnE 0x1200 #define GICD_ICENABLERnE 0x1400 #define GICD_ISPENDRnE 0x1600 #define GICD_ICPENDRnE 0x1800 #define GICD_ISACTIVERnE 0x1A00 #define GICD_ICACTIVERnE 0x1C00 #define GICD_IPRIORITYRnE 0x2000 #define GICD_ICFGRnE 0x3000 #define GICD_IROUTER 0x6000 #define GICD_IROUTERnE 0x8000 #define GICD_IDREGS 0xFFD0 #define GICD_PIDR2 0xFFE8 #define ESPI_BASE_INTID 4096 /* * 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_nASSGIreq (1U << 8) #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_ESPI (1U << 8) #define GICD_TYPER_ID_BITS(typer) ((((typer) >> 19) & 0x1f) + 1) #define GICD_TYPER_NUM_LPIS(typer) ((((typer) >> 11) & 0x1f) + 1) #define GICD_TYPER_SPIS(typer) ((((typer) & 0x1f) + 1) * 32) #define GICD_TYPER_ESPIS(typer) \ (((typer) & GICD_TYPER_ESPI) ? GICD_TYPER_SPIS((typer) >> 27) : 0) #define GICD_TYPER2_nASSGIcap (1U << 8) #define GICD_TYPER2_VIL (1U << 7) #define GICD_TYPER2_VID GENMASK(4, 0) #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 #define GIC_PAGE_SIZE_4K 0ULL #define GIC_PAGE_SIZE_16K 1ULL #define GIC_PAGE_SIZE_64K 2ULL #define GIC_PAGE_SIZE_MASK 3ULL /* * 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_PROPBASER 0x0070 #define GICR_PENDBASER 0x0078 #define GICR_INVLPIR 0x00A0 #define GICR_INVALLR 0x00B0 #define GICR_SYNCR 0x00C0 #define GICR_IDREGS GICD_IDREGS #define GICR_PIDR2 GICD_PIDR2 #define GICR_CTLR_ENABLE_LPIS (1UL << 0) #define GICR_CTLR_CES (1UL << 1) #define GICR_CTLR_IR (1UL << 2) #define GICR_CTLR_RWP (1UL << 3) #define GICR_TYPER_CPU_NUMBER(r) (((r) >> 8) & 0xffff) #define EPPI_BASE_INTID 1056 #define GICR_TYPER_NR_PPIS(r) \ ({ \ unsigned int __ppinum = ((r) >> 27) & 0x1f; \ unsigned int __nr_ppis = 16; \ if (__ppinum == 1 || __ppinum == 2) \ __nr_ppis += __ppinum * 32; \ \ __nr_ppis; \ }) #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, RaWb) #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, RaWb) #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_DIRTY (1U << 2) #define GICR_TYPER_DirectLPIS (1U << 3) #define GICR_TYPER_LAST (1U << 4) #define GICR_TYPER_RVPEID (1U << 7) #define GICR_TYPER_COMMON_LPI_AFF GENMASK_ULL(25, 24) #define GICR_TYPER_AFFINITY GENMASK_ULL(63, 32) #define GICR_INVLPIR_INTID GENMASK_ULL(31, 0) #define GICR_INVLPIR_VPEID GENMASK_ULL(47, 32) #define GICR_INVLPIR_V GENMASK_ULL(63, 63) #define GICR_INVALLR_VPEID GICR_INVLPIR_VPEID #define GICR_INVALLR_V GICR_INVLPIR_V #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, RaWb) #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) /* * GICv4.1 VPROPBASER reinvention. A subtle mix between the old * VPROPBASER and ITS_BASER. Just not quite any of the two. */ #define GICR_VPROPBASER_4_1_VALID (1ULL << 63) #define GICR_VPROPBASER_4_1_ENTRY_SIZE GENMASK_ULL(61, 59) #define GICR_VPROPBASER_4_1_INDIRECT (1ULL << 55) #define GICR_VPROPBASER_4_1_PAGE_SIZE GENMASK_ULL(54, 53) #define GICR_VPROPBASER_4_1_Z (1ULL << 52) #define GICR_VPROPBASER_4_1_ADDR GENMASK_ULL(51, 12) #define GICR_VPROPBASER_4_1_SIZE GENMASK_ULL(6, 0) #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_InnerShareable \ GIC_BASER_SHAREABILITY(GICR_VPENDBASER, InnerShareable) #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, RaWb) #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) /* * GICv4.1 VPENDBASER, used for VPE residency. On top of these fields, * also use the above Valid, PendingLast and Dirty. */ #define GICR_VPENDBASER_4_1_DB (1ULL << 62) #define GICR_VPENDBASER_4_1_VGRP0EN (1ULL << 59) #define GICR_VPENDBASER_4_1_VGRP1EN (1ULL << 58) #define GICR_VPENDBASER_4_1_VPEID GENMASK_ULL(15, 0) #define GICR_VSGIR 0x0080 #define GICR_VSGIR_VPEID GENMASK(15, 0) #define GICR_VSGIPENDR 0x0088 #define GICR_VSGIPENDR_BUSY (1U << 31) #define GICR_VSGIPENDR_PENDING GENMASK(15, 0) /* * ITS registers, offsets from ITS_base */ #define GITS_CTLR 0x0000 #define GITS_IIDR 0x0004 #define GITS_TYPER 0x0008 #define GITS_MPIDR 0x0018 #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_SGIR 0x20020 #define GITS_SGIR_VPEID GENMASK_ULL(47, 32) #define GITS_SGIR_VINTID GENMASK_ULL(3, 0) #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 GENMASK_ULL(7, 4) #define GITS_TYPER_IDBITS_SHIFT 8 #define GITS_TYPER_DEVBITS_SHIFT 13 #define GITS_TYPER_DEVBITS GENMASK_ULL(17, 13) #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_TYPER_VMAPP (1ULL << 40) #define GITS_TYPER_SVPET GENMASK_ULL(42, 41) #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, RaWb) #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_CBASER_ADDRESS(cbaser) ((cbaser) & GENMASK_ULL(51, 12)) #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, RaWb) #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_ADDR_48_to_52(baser) \ (((baser) & GENMASK_ULL(47, 16)) | (((baser) >> 12) & 0xf) << 48) #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_PSZ(sz) (GIC_PAGE_SIZE_ ## sz << GITS_BASER_PAGE_SIZE_SHIFT) #define GITS_BASER_PAGE_SIZE_4K __GITS_BASER_PSZ(4K) #define GITS_BASER_PAGE_SIZE_16K __GITS_BASER_PSZ(16K) #define GITS_BASER_PAGE_SIZE_64K __GITS_BASER_PSZ(64K) #define GITS_BASER_PAGE_SIZE_MASK __GITS_BASER_PSZ(MASK) #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, VSGI and INVDB are the odd ones, as they dont have a physical counterpart */ #define GITS_CMD_VMOVP GITS_CMD_GICv4(2) #define GITS_CMD_VSGI GITS_CMD_GICv4(3) #define GITS_CMD_INVDB GITS_CMD_GICv4(0xe) /* * 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_PMHE_SHIFT 6 #define ICC_CTLR_EL1_PMHE_MASK (1 << ICC_CTLR_EL1_PMHE_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_CTLR_EL1_ExtRange (0x1 << 19) #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) /* 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 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 { raw_spinlock_t rd_lock; void __iomem *rd_base; struct page *pend_page; phys_addr_t phys_base; u64 flags; cpumask_t *vpe_table_mask; void *vpe_l1_base; } __percpu *rdist; phys_addr_t prop_table_pa; void *prop_table_va; u64 flags; u32 gicd_typer; u32 gicd_typer2; int cpuhp_memreserve_state; bool has_vlpis; bool has_rvpeid; bool has_direct_lpi; bool has_vpend_valid_dirty; }; struct irq_domain; struct fwnode_handle; int __init its_lpi_memreserve_init(void); 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
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