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/*
 * ARM Power State and Coordination Interface (PSCI) header
 *
 * This header holds common PSCI defines and macros shared
 * by: ARM kernel, ARM64 kernel, KVM ARM/ARM64 and user space.
 *
 * Copyright (C) 2014 Linaro Ltd.
 * Author: Anup Patel <anup.patel@linaro.org>
 */

#ifndef _UAPI_LINUX_PSCI_H
#define _UAPI_LINUX_PSCI_H

/*
 * PSCI v0.1 interface
 *
 * The PSCI v0.1 function numbers are implementation defined.
 *
 * Only PSCI return values such as: SUCCESS, NOT_SUPPORTED,
 * INVALID_PARAMS, and DENIED defined below are applicable
 * to PSCI v0.1.
 */

/* PSCI v0.2 interface */
#define PSCI_0_2_FN_BASE			0x84000000
#define PSCI_0_2_FN(n)				(PSCI_0_2_FN_BASE + (n))
#define PSCI_0_2_64BIT				0x40000000
#define PSCI_0_2_FN64_BASE			\
					(PSCI_0_2_FN_BASE + PSCI_0_2_64BIT)
#define PSCI_0_2_FN64(n)			(PSCI_0_2_FN64_BASE + (n))

#define PSCI_0_2_FN_PSCI_VERSION		PSCI_0_2_FN(0)
#define PSCI_0_2_FN_CPU_SUSPEND			PSCI_0_2_FN(1)
#define PSCI_0_2_FN_CPU_OFF			PSCI_0_2_FN(2)
#define PSCI_0_2_FN_CPU_ON			PSCI_0_2_FN(3)
#define PSCI_0_2_FN_AFFINITY_INFO		PSCI_0_2_FN(4)
#define PSCI_0_2_FN_MIGRATE			PSCI_0_2_FN(5)
#define PSCI_0_2_FN_MIGRATE_INFO_TYPE		PSCI_0_2_FN(6)
#define PSCI_0_2_FN_MIGRATE_INFO_UP_CPU		PSCI_0_2_FN(7)
#define PSCI_0_2_FN_SYSTEM_OFF			PSCI_0_2_FN(8)
#define PSCI_0_2_FN_SYSTEM_RESET		PSCI_0_2_FN(9)

#define PSCI_0_2_FN64_CPU_SUSPEND		PSCI_0_2_FN64(1)
#define PSCI_0_2_FN64_CPU_ON			PSCI_0_2_FN64(3)
#define PSCI_0_2_FN64_AFFINITY_INFO		PSCI_0_2_FN64(4)
#define PSCI_0_2_FN64_MIGRATE			PSCI_0_2_FN64(5)
#define PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU	PSCI_0_2_FN64(7)

#define PSCI_1_0_FN_PSCI_FEATURES		PSCI_0_2_FN(10)
#define PSCI_1_0_FN_SYSTEM_SUSPEND		PSCI_0_2_FN(14)

#define PSCI_1_0_FN64_SYSTEM_SUSPEND		PSCI_0_2_FN64(14)

/* PSCI v0.2 power state encoding for CPU_SUSPEND function */
#define PSCI_0_2_POWER_STATE_ID_MASK		0xffff
#define PSCI_0_2_POWER_STATE_ID_SHIFT		0
#define PSCI_0_2_POWER_STATE_TYPE_SHIFT		16
#define PSCI_0_2_POWER_STATE_TYPE_MASK		\
				(0x1 << PSCI_0_2_POWER_STATE_TYPE_SHIFT)
#define PSCI_0_2_POWER_STATE_AFFL_SHIFT		24
#define PSCI_0_2_POWER_STATE_AFFL_MASK		\
				(0x3 << PSCI_0_2_POWER_STATE_AFFL_SHIFT)

/* PSCI extended power state encoding for CPU_SUSPEND function */
#define PSCI_EXT_POWER_STATE_ID_MASK		0xfffffff
#define PSCI_EXT_POWER_STATE_ID_SHIFT		0
#define PSCI_EXT_POWER_STATE_TYPE_SHIFT		30
#define PSCI_EXT_POWER_STATE_TYPE_MASK		\
				(0x1 << PSCI_EXT_POWER_STATE_TYPE_SHIFT)

/* PSCI v0.2 affinity level state returned by AFFINITY_INFO */
#define PSCI_0_2_AFFINITY_LEVEL_ON		0
#define PSCI_0_2_AFFINITY_LEVEL_OFF		1
#define PSCI_0_2_AFFINITY_LEVEL_ON_PENDING	2

/* PSCI v0.2 multicore support in Trusted OS returned by MIGRATE_INFO_TYPE */
#define PSCI_0_2_TOS_UP_MIGRATE			0
#define PSCI_0_2_TOS_UP_NO_MIGRATE		1
#define PSCI_0_2_TOS_MP				2

/* PSCI version decoding (independent of PSCI version) */
#define PSCI_VERSION_MAJOR_SHIFT		16
#define PSCI_VERSION_MINOR_MASK			\
		((1U << PSCI_VERSION_MAJOR_SHIFT) - 1)
#define PSCI_VERSION_MAJOR_MASK			~PSCI_VERSION_MINOR_MASK
#define PSCI_VERSION_MAJOR(ver)			\
		(((ver) & PSCI_VERSION_MAJOR_MASK) >> PSCI_VERSION_MAJOR_SHIFT)
#define PSCI_VERSION_MINOR(ver)			\
		((ver) & PSCI_VERSION_MINOR_MASK)

/* PSCI features decoding (>=1.0) */
#define PSCI_FEATURES_CPU_SUSPEND_PF_SHIFT	1
#define PSCI_FEATURES_CPU_SUSPEND_PF_MASK	\
			(0x1 << PSCI_FEATURES_CPU_SUSPEND_PF_SHIFT)

/* PSCI return values (inclusive of all PSCI versions) */
#define PSCI_RET_SUCCESS			0
#define PSCI_RET_NOT_SUPPORTED			-1
#define PSCI_RET_INVALID_PARAMS			-2
#define PSCI_RET_DENIED				-3
#define PSCI_RET_ALREADY_ON			-4
#define PSCI_RET_ON_PENDING			-5
#define PSCI_RET_INTERNAL_FAILURE		-6
#define PSCI_RET_NOT_PRESENT			-7
#define PSCI_RET_DISABLED			-8
#define PSCI_RET_INVALID_ADDRESS		-9

#endif /* _UAPI_LINUX_PSCI_H */
debug log:

solving a1a2d85a91b9 ...
found a1a2d85a91b9 in https://yhbt.net/lore/all/1434638494-514-4-git-send-email-sudeep.holla@arm.com/
retrying 2598d7c9bf20 as 2598d7c9bf2
retrying 2598d7c9bf2 as 2598d7c9bf
retrying 2598d7c9bf as 2598d7c9b
retrying 2598d7c9b as 2598d7c9
retrying 2598d7c9 as 2598d7c
found 2598d7c in https://yhbt.net/lore/all/1432901799-18359-6-git-send-email-lorenzo.pieralisi@arm.com/ ||
	https://yhbt.net/lore/all/1432901799-18359-6-git-send-email-lorenzo.pieralisi@arm.com/
found 187b828d in https://yhbt.net/lore/all/1436375811-10529-4-git-send-email-lorenzo.pieralisi@arm.com/ ||
	https://yhbt.net/lore/all/1432901799-18359-5-git-send-email-lorenzo.pieralisi@arm.com/ ||
	https://yhbt.net/lore/all/1432901799-18359-5-git-send-email-lorenzo.pieralisi@arm.com/
found 64469e6 in https://yhbt.net/lore/all/1432901799-18359-3-git-send-email-lorenzo.pieralisi@arm.com/ ||
	https://yhbt.net/lore/all/1436375811-10529-2-git-send-email-lorenzo.pieralisi@arm.com/ ||
	https://yhbt.net/lore/all/1432901799-18359-3-git-send-email-lorenzo.pieralisi@arm.com/
found 310d83e in https://yhbt.net/lore/all/1398750865-10892-3-git-send-email-anup.patel@linaro.org/ ||
	https://yhbt.net/lore/all/1401041942-23471-3-git-send-email-christoffer.dall@linaro.org/ ||
	https://yhbt.net/lore/all/1398750865-10892-3-git-send-email-anup.patel@linaro.org/ ||
	https://yhbt.net/lore/all/1401041942-23471-3-git-send-email-christoffer.dall@linaro.org/

applying [1/13] https://yhbt.net/lore/all/1398750865-10892-3-git-send-email-anup.patel@linaro.org/
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
new file mode 100644
index 0000000..310d83e

Checking patch include/uapi/linux/psci.h...
Applied patch include/uapi/linux/psci.h cleanly.

skipping https://yhbt.net/lore/all/1401041942-23471-3-git-send-email-christoffer.dall@linaro.org/ for 310d83e
skipping https://yhbt.net/lore/all/1398750865-10892-3-git-send-email-anup.patel@linaro.org/ for 310d83e
skipping https://yhbt.net/lore/all/1401041942-23471-3-git-send-email-christoffer.dall@linaro.org/ for 310d83e
index at:
100644 310d83e0a91b6bb000b462cdd130c2445b945268	include/uapi/linux/psci.h

applying [2/13] https://yhbt.net/lore/all/1432901799-18359-3-git-send-email-lorenzo.pieralisi@arm.com/
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 310d83e..64469e6 100644

Checking patch include/uapi/linux/psci.h...
Applied patch include/uapi/linux/psci.h cleanly.

skipping https://yhbt.net/lore/all/1436375811-10529-2-git-send-email-lorenzo.pieralisi@arm.com/ for 64469e6
skipping https://yhbt.net/lore/all/1432901799-18359-3-git-send-email-lorenzo.pieralisi@arm.com/ for 64469e6
index at:
100644 64469e64688f3f32e77ca1c85ef5f662c3384df9	include/uapi/linux/psci.h

applying [3/13] https://yhbt.net/lore/all/1436375811-10529-4-git-send-email-lorenzo.pieralisi@arm.com/
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 64469e6..187b828d 100644

Checking patch include/uapi/linux/psci.h...
Applied patch include/uapi/linux/psci.h cleanly.

skipping https://yhbt.net/lore/all/1432901799-18359-5-git-send-email-lorenzo.pieralisi@arm.com/ for 187b828d
skipping https://yhbt.net/lore/all/1432901799-18359-5-git-send-email-lorenzo.pieralisi@arm.com/ for 187b828d
index at:
100644 187b828d77b394d03d839f8bc9ef0b42f23f977e	include/uapi/linux/psci.h

applying [4/13] https://yhbt.net/lore/all/1432901799-18359-6-git-send-email-lorenzo.pieralisi@arm.com/
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 187b828d..2598d7c 100644

Checking patch include/uapi/linux/psci.h...
Applied patch include/uapi/linux/psci.h cleanly.

skipping https://yhbt.net/lore/all/1432901799-18359-6-git-send-email-lorenzo.pieralisi@arm.com/ for 2598d7c
index at:
100644 2598d7c9bf20c6f1c047b2316b410db761aaf989	include/uapi/linux/psci.h

applying [5/13] https://yhbt.net/lore/all/1434638494-514-4-git-send-email-sudeep.holla@arm.com/
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 2598d7c9bf20..a1a2d85a91b9 100644

Checking patch include/uapi/linux/psci.h...
Applied patch include/uapi/linux/psci.h cleanly.

index at:
100644 a1a2d85a91b97471318eaae854f1c106ebf3d11f	include/uapi/linux/psci.h

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