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[209.132.180.67]) by mx.google.com with ESMTP id b26si8398105edy.108.2019.10.01.01.27.24; Tue, 01 Oct 2019 01:27:49 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732473AbfJAIZl (ORCPT + 99 others); Tue, 1 Oct 2019 04:25:41 -0400 Received: from mx2.suse.de ([195.135.220.15]:58684 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726148AbfJAIZk (ORCPT ); Tue, 1 Oct 2019 04:25:40 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id D0FC3AF9F; Tue, 1 Oct 2019 08:25:36 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Stefano Stabellini , Russell King , Catalin Marinas , Will Deacon , Boris Ostrovsky , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" Subject: [PATCH] xen/efi: have a common runtime setup function Date: Tue, 1 Oct 2019 10:25:34 +0200 Message-Id: <20191001082534.12067-1-jgross@suse.com> X-Mailer: git-send-email 2.16.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Today the EFI runtime functions are setup in architecture specific code (x86 and arm), with the functions themselves living in drivers/xen as they are not architecture dependent. As the setup is exactly the same for arm and x86 move the setup to drivers/xen, too. This at once removes the need to make the single functions global visible. Signed-off-by: Juergen Gross --- arch/arm/include/asm/xen/xen-ops.h | 6 --- arch/arm/xen/Makefile | 1 - arch/arm/xen/efi.c | 30 ------------- arch/arm/xen/enlighten.c | 1 - arch/arm64/include/asm/xen/xen-ops.h | 7 --- arch/arm64/xen/Makefile | 1 - arch/x86/xen/efi.c | 16 +------ drivers/xen/efi.c | 85 ++++++++++++++++++++---------------- include/xen/xen-ops.h | 25 +---------- 9 files changed, 50 insertions(+), 122 deletions(-) delete mode 100644 arch/arm/include/asm/xen/xen-ops.h delete mode 100644 arch/arm/xen/efi.c delete mode 100644 arch/arm64/include/asm/xen/xen-ops.h diff --git a/arch/arm/include/asm/xen/xen-ops.h b/arch/arm/include/asm/xen/xen-ops.h deleted file mode 100644 index ec154e719b11..000000000000 --- a/arch/arm/include/asm/xen/xen-ops.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_XEN_OPS_H -#define _ASM_XEN_OPS_H - -void xen_efi_runtime_setup(void); - -#endif /* _ASM_XEN_OPS_H */ diff --git a/arch/arm/xen/Makefile b/arch/arm/xen/Makefile index 7ed28982c4c3..c32d04713ba0 100644 --- a/arch/arm/xen/Makefile +++ b/arch/arm/xen/Makefile @@ -1,3 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only obj-y := enlighten.o hypercall.o grant-table.o p2m.o mm.o -obj-$(CONFIG_XEN_EFI) += efi.o diff --git a/arch/arm/xen/efi.c b/arch/arm/xen/efi.c deleted file mode 100644 index cb2aaf98e243..000000000000 --- a/arch/arm/xen/efi.c +++ /dev/null @@ -1,30 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (c) 2015, Linaro Limited, Shannon Zhao - */ - -#include -#include -#include - -/* Set XEN EFI runtime services function pointers. Other fields of struct efi, - * e.g. efi.systab, will be set like normal EFI. - */ -void __init xen_efi_runtime_setup(void) -{ - efi.get_time = xen_efi_get_time; - efi.set_time = xen_efi_set_time; - efi.get_wakeup_time = xen_efi_get_wakeup_time; - efi.set_wakeup_time = xen_efi_set_wakeup_time; - efi.get_variable = xen_efi_get_variable; - efi.get_next_variable = xen_efi_get_next_variable; - efi.set_variable = xen_efi_set_variable; - efi.set_variable_nonblocking = xen_efi_set_variable; - efi.query_variable_info = xen_efi_query_variable_info; - efi.query_variable_info_nonblocking = xen_efi_query_variable_info; - efi.update_capsule = xen_efi_update_capsule; - efi.query_capsule_caps = xen_efi_query_capsule_caps; - efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count; - efi.reset_system = xen_efi_reset_system; -} -EXPORT_SYMBOL_GPL(xen_efi_runtime_setup); diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 1e57692552d9..99f955a5b694 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include #include diff --git a/arch/arm64/include/asm/xen/xen-ops.h b/arch/arm64/include/asm/xen/xen-ops.h deleted file mode 100644 index e6e784051932..000000000000 --- a/arch/arm64/include/asm/xen/xen-ops.h +++ /dev/null @@ -1,7 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_XEN_OPS_H -#define _ASM_XEN_OPS_H - -void xen_efi_runtime_setup(void); - -#endif /* _ASM_XEN_OPS_H */ diff --git a/arch/arm64/xen/Makefile b/arch/arm64/xen/Makefile index a4fc65f3928d..b66215e8658e 100644 --- a/arch/arm64/xen/Makefile +++ b/arch/arm64/xen/Makefile @@ -1,4 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only xen-arm-y += $(addprefix ../../arm/xen/, enlighten.o grant-table.o p2m.o mm.o) obj-y := xen-arm.o hypercall.o -obj-$(CONFIG_XEN_EFI) += $(addprefix ../../arm/xen/, efi.o) diff --git a/arch/x86/xen/efi.c b/arch/x86/xen/efi.c index 7e3eb70f411a..a04551ee5568 100644 --- a/arch/x86/xen/efi.c +++ b/arch/x86/xen/efi.c @@ -57,21 +57,7 @@ static efi_system_table_t __init *xen_efi_probe(void) return NULL; /* Here we know that Xen runs on EFI platform. */ - - efi.get_time = xen_efi_get_time; - efi.set_time = xen_efi_set_time; - efi.get_wakeup_time = xen_efi_get_wakeup_time; - efi.set_wakeup_time = xen_efi_set_wakeup_time; - efi.get_variable = xen_efi_get_variable; - efi.get_next_variable = xen_efi_get_next_variable; - efi.set_variable = xen_efi_set_variable; - efi.set_variable_nonblocking = xen_efi_set_variable; - efi.query_variable_info = xen_efi_query_variable_info; - efi.query_variable_info_nonblocking = xen_efi_query_variable_info; - efi.update_capsule = xen_efi_update_capsule; - efi.query_capsule_caps = xen_efi_query_capsule_caps; - efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count; - efi.reset_system = xen_efi_reset_system; + xen_efi_runtime_setup(); efi_systab_xen.tables = info->cfg.addr; efi_systab_xen.nr_tables = info->cfg.nent; diff --git a/drivers/xen/efi.c b/drivers/xen/efi.c index 89d60f8e3c18..ffbdaa9f4a45 100644 --- a/drivers/xen/efi.c +++ b/drivers/xen/efi.c @@ -40,7 +40,7 @@ #define efi_data(op) (op.u.efi_runtime_call) -efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc) +static efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc) { struct xen_platform_op op = INIT_EFI_OP(get_time); @@ -61,9 +61,8 @@ efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc) return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_get_time); -efi_status_t xen_efi_set_time(efi_time_t *tm) +static efi_status_t xen_efi_set_time(efi_time_t *tm) { struct xen_platform_op op = INIT_EFI_OP(set_time); @@ -75,10 +74,10 @@ efi_status_t xen_efi_set_time(efi_time_t *tm) return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_set_time); -efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled, efi_bool_t *pending, - efi_time_t *tm) +static efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled, + efi_bool_t *pending, + efi_time_t *tm) { struct xen_platform_op op = INIT_EFI_OP(get_wakeup_time); @@ -98,9 +97,8 @@ efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled, efi_bool_t *pending, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_get_wakeup_time); -efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm) +static efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm) { struct xen_platform_op op = INIT_EFI_OP(set_wakeup_time); @@ -117,11 +115,10 @@ efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm) return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_set_wakeup_time); -efi_status_t xen_efi_get_variable(efi_char16_t *name, efi_guid_t *vendor, - u32 *attr, unsigned long *data_size, - void *data) +static efi_status_t xen_efi_get_variable(efi_char16_t *name, efi_guid_t *vendor, + u32 *attr, unsigned long *data_size, + void *data) { struct xen_platform_op op = INIT_EFI_OP(get_variable); @@ -141,11 +138,10 @@ efi_status_t xen_efi_get_variable(efi_char16_t *name, efi_guid_t *vendor, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_get_variable); -efi_status_t xen_efi_get_next_variable(unsigned long *name_size, - efi_char16_t *name, - efi_guid_t *vendor) +static efi_status_t xen_efi_get_next_variable(unsigned long *name_size, + efi_char16_t *name, + efi_guid_t *vendor) { struct xen_platform_op op = INIT_EFI_OP(get_next_variable_name); @@ -165,11 +161,10 @@ efi_status_t xen_efi_get_next_variable(unsigned long *name_size, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_get_next_variable); -efi_status_t xen_efi_set_variable(efi_char16_t *name, efi_guid_t *vendor, - u32 attr, unsigned long data_size, - void *data) +static efi_status_t xen_efi_set_variable(efi_char16_t *name, efi_guid_t *vendor, + u32 attr, unsigned long data_size, + void *data) { struct xen_platform_op op = INIT_EFI_OP(set_variable); @@ -186,11 +181,10 @@ efi_status_t xen_efi_set_variable(efi_char16_t *name, efi_guid_t *vendor, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_set_variable); -efi_status_t xen_efi_query_variable_info(u32 attr, u64 *storage_space, - u64 *remaining_space, - u64 *max_variable_size) +static efi_status_t xen_efi_query_variable_info(u32 attr, u64 *storage_space, + u64 *remaining_space, + u64 *max_variable_size) { struct xen_platform_op op = INIT_EFI_OP(query_variable_info); @@ -208,9 +202,8 @@ efi_status_t xen_efi_query_variable_info(u32 attr, u64 *storage_space, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_query_variable_info); -efi_status_t xen_efi_get_next_high_mono_count(u32 *count) +static efi_status_t xen_efi_get_next_high_mono_count(u32 *count) { struct xen_platform_op op = INIT_EFI_OP(get_next_high_monotonic_count); @@ -221,10 +214,9 @@ efi_status_t xen_efi_get_next_high_mono_count(u32 *count) return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_get_next_high_mono_count); -efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules, - unsigned long count, unsigned long sg_list) +static efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules, + unsigned long count, unsigned long sg_list) { struct xen_platform_op op = INIT_EFI_OP(update_capsule); @@ -241,11 +233,9 @@ efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_update_capsule); -efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules, - unsigned long count, u64 *max_size, - int *reset_type) +static efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules, + unsigned long count, u64 *max_size, int *reset_type) { struct xen_platform_op op = INIT_EFI_OP(query_capsule_capabilities); @@ -264,10 +254,9 @@ efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules, return efi_data(op).status; } -EXPORT_SYMBOL_GPL(xen_efi_query_capsule_caps); -void xen_efi_reset_system(int reset_type, efi_status_t status, - unsigned long data_size, efi_char16_t *data) +static void xen_efi_reset_system(int reset_type, efi_status_t status, + unsigned long data_size, efi_char16_t *data) { switch (reset_type) { case EFI_RESET_COLD: @@ -281,4 +270,26 @@ void xen_efi_reset_system(int reset_type, efi_status_t status, BUG(); } } -EXPORT_SYMBOL_GPL(xen_efi_reset_system); + +/* + * Set XEN EFI runtime services function pointers. Other fields of struct efi, + * e.g. efi.systab, will be set like normal EFI. + */ +void __init xen_efi_runtime_setup(void) +{ + efi.get_time = xen_efi_get_time; + efi.set_time = xen_efi_set_time; + efi.get_wakeup_time = xen_efi_get_wakeup_time; + efi.set_wakeup_time = xen_efi_set_wakeup_time; + efi.get_variable = xen_efi_get_variable; + efi.get_next_variable = xen_efi_get_next_variable; + efi.set_variable = xen_efi_set_variable; + efi.set_variable_nonblocking = xen_efi_set_variable; + efi.query_variable_info = xen_efi_query_variable_info; + efi.query_variable_info_nonblocking = xen_efi_query_variable_info; + efi.update_capsule = xen_efi_update_capsule; + efi.query_capsule_caps = xen_efi_query_capsule_caps; + efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count; + efi.reset_system = xen_efi_reset_system; +} +EXPORT_SYMBOL_GPL(xen_efi_runtime_setup); diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index 98b30c1613b2..d89969aa9942 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -212,30 +212,7 @@ int xen_xlate_map_ballooned_pages(xen_pfn_t **pfns, void **vaddr, bool xen_running_on_version_or_later(unsigned int major, unsigned int minor); -efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc); -efi_status_t xen_efi_set_time(efi_time_t *tm); -efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled, efi_bool_t *pending, - efi_time_t *tm); -efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm); -efi_status_t xen_efi_get_variable(efi_char16_t *name, efi_guid_t *vendor, - u32 *attr, unsigned long *data_size, - void *data); -efi_status_t xen_efi_get_next_variable(unsigned long *name_size, - efi_char16_t *name, efi_guid_t *vendor); -efi_status_t xen_efi_set_variable(efi_char16_t *name, efi_guid_t *vendor, - u32 attr, unsigned long data_size, - void *data); -efi_status_t xen_efi_query_variable_info(u32 attr, u64 *storage_space, - u64 *remaining_space, - u64 *max_variable_size); -efi_status_t xen_efi_get_next_high_mono_count(u32 *count); -efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules, - unsigned long count, unsigned long sg_list); -efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules, - unsigned long count, u64 *max_size, - int *reset_type); -void xen_efi_reset_system(int reset_type, efi_status_t status, - unsigned long data_size, efi_char16_t *data); +void xen_efi_runtime_setup(void); #ifdef CONFIG_PREEMPT -- 2.16.4