cregit-Linux how code gets into the kernel

Release 4.12 include/linux/irqchip/arm-gic-v3.h

Directory: include/linux/irqchip
/*
 * 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)

/*
 * 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_LPIS			(1U << 17)

#define GICD_TYPER_MBIS			(1U << 16)


#define GICD_TYPER_ID_BITS(typer)	((((typer) >> 19) & 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_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_LAST			(1U << 4)


#define GIC_V3_REDIST_SIZE		0x20000


#define LPI_PROP_GROUP1			(1 << 1)

#define LPI_PROP_ENABLED		(1 << 0)

/*
 * 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_QUIESCENT		(1U << 31)


#define GITS_TYPER_PLPIS		(1UL << 0)

#define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT	4

#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_HWCOLLCNT_SHIFT	24


#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_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

/*
 * 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_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

/* 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_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_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;
	
int			id_bits;
	
u64			flags;
};

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);




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);
}


Contributors
PersonTokensPropCommitsCommitProp
Marc Zyngier3571.43%150.00%


Jean-Philippe Brucker1428.57%150.00%


Total49100.00%2100.00%



#endif

#endif

Overall Contributors
PersonTokensPropCommitsCommitProp
Marc Zyngier87256.22%1642.11%


Andre Przywara37324.05%513.16%


Vijaya Kumar K1509.67%12.63%


Eric Auger593.80%410.53%


Jean-Philippe Brucker473.03%25.26%


Christoffer Dall161.03%12.63%


Shanker Donthineni100.64%25.26%


Yun Wu80.52%12.63%


Vladimir Murzin70.45%37.89%


Robert Richter40.26%12.63%


Tomasz Nowicki30.19%12.63%


Andrew Jones20.13%12.63%


Total1551100.00%38100.00%


Directory: include/linux/irqchip



Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.