From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 14 Mar 2017 11:24:51 +0100 (CET) Received: from mailapp01.imgtec.com ([195.59.15.196]:56839 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23994808AbdCNKSQGzrTU (ORCPT ); Tue, 14 Mar 2017 11:18:16 +0100 Received: from hhmail02.hh.imgtec.org (unknown [10.100.10.20]) by Forcepoint Email with ESMTPS id 1468861FE5FB6; Tue, 14 Mar 2017 10:18:12 +0000 (GMT) Received: from jhogan-linux.le.imgtec.org (192.168.154.110) by hhmail02.hh.imgtec.org (10.100.10.21) with Microsoft SMTP Server (TLS) id 14.3.294.0; Tue, 14 Mar 2017 10:18:14 +0000 From: James Hogan To: , CC: James Hogan , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Ralf Baechle Subject: [PATCH v2 16/33] KVM: MIPS: Add hardware_{enable,disable} callback Date: Tue, 14 Mar 2017 10:15:23 +0000 Message-ID: <76fa77a1c802729ff1681698601413f06722d96b.1489485940.git-series.james.hogan@imgtec.com> X-Mailer: git-send-email 2.11.1 MIME-Version: 1.0 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [192.168.154.110] Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 57216 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: james.hogan@imgtec.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Add an implementation callback for the kvm_arch_hardware_enable() and kvm_arch_hardware_disable() architecture functions, with simple stubs for trap & emulate. This is in preparation for VZ which will make use of them. Signed-off-by: James Hogan Cc: Paolo Bonzini Cc: "Radim Krčmář" Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- arch/mips/include/asm/kvm_host.h | 3 ++- arch/mips/kvm/mips.c | 7 ++++++- arch/mips/kvm/trap_emul.c | 11 +++++++++++ 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 3a52a6f0573b..acfe7e4e8a3c 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -542,6 +542,8 @@ struct kvm_mips_callbacks { int (*handle_msa_fpe)(struct kvm_vcpu *vcpu); int (*handle_fpe)(struct kvm_vcpu *vcpu); int (*handle_msa_disabled)(struct kvm_vcpu *vcpu); + int (*hardware_enable)(void); + void (*hardware_disable)(void); int (*check_extension)(struct kvm *kvm, long ext); int (*vcpu_init)(struct kvm_vcpu *vcpu); void (*vcpu_uninit)(struct kvm_vcpu *vcpu); @@ -864,7 +866,6 @@ extern int kvm_mips_trans_mtc0(union mips_instruction inst, u32 *opc, extern void kvm_mips_dump_stats(struct kvm_vcpu *vcpu); extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm); -static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_free_memslot(struct kvm *kvm, diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 78d58c2528a9..5681117083af 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -92,7 +92,12 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) int kvm_arch_hardware_enable(void) { - return 0; + return kvm_mips_callbacks->hardware_enable(); +} + +void kvm_arch_hardware_disable(void) +{ + kvm_mips_callbacks->hardware_disable(); } int kvm_arch_hardware_setup(void) diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c index db3c48634eda..50b812bfe083 100644 --- a/arch/mips/kvm/trap_emul.c +++ b/arch/mips/kvm/trap_emul.c @@ -488,6 +488,15 @@ static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu) return ret; } +static int kvm_trap_emul_hardware_enable(void) +{ + return 0; +} + +static void kvm_trap_emul_hardware_disable(void) +{ +} + static int kvm_trap_emul_check_extension(struct kvm *kvm, long ext) { int r; @@ -1254,6 +1263,8 @@ static struct kvm_mips_callbacks kvm_trap_emul_callbacks = { .handle_fpe = kvm_trap_emul_handle_fpe, .handle_msa_disabled = kvm_trap_emul_handle_msa_disabled, + .hardware_enable = kvm_trap_emul_hardware_enable, + .hardware_disable = kvm_trap_emul_hardware_disable, .check_extension = kvm_trap_emul_check_extension, .vcpu_init = kvm_trap_emul_vcpu_init, .vcpu_uninit = kvm_trap_emul_vcpu_uninit, -- git-series 0.8.10 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailapp01.imgtec.com ([195.59.15.196]:56839 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23994808AbdCNKSQGzrTU (ORCPT ); Tue, 14 Mar 2017 11:18:16 +0100 From: James Hogan Subject: [PATCH v2 16/33] KVM: MIPS: Add hardware_{enable,disable} callback Date: Tue, 14 Mar 2017 10:15:23 +0000 Message-ID: <76fa77a1c802729ff1681698601413f06722d96b.1489485940.git-series.james.hogan@imgtec.com> MIME-Version: 1.0 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: linux-mips@linux-mips.org, kvm@vger.kernel.org Cc: James Hogan , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Ralf Baechle Message-ID: <20170314101523.h3yYMZh_fkk-0otooPbXbl3KX6I7-d55pkdWn1PhQXE@z> Add an implementation callback for the kvm_arch_hardware_enable() and kvm_arch_hardware_disable() architecture functions, with simple stubs for trap & emulate. This is in preparation for VZ which will make use of them. Signed-off-by: James Hogan Cc: Paolo Bonzini Cc: "Radim Krčmář" Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- arch/mips/include/asm/kvm_host.h | 3 ++- arch/mips/kvm/mips.c | 7 ++++++- arch/mips/kvm/trap_emul.c | 11 +++++++++++ 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 3a52a6f0573b..acfe7e4e8a3c 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -542,6 +542,8 @@ struct kvm_mips_callbacks { int (*handle_msa_fpe)(struct kvm_vcpu *vcpu); int (*handle_fpe)(struct kvm_vcpu *vcpu); int (*handle_msa_disabled)(struct kvm_vcpu *vcpu); + int (*hardware_enable)(void); + void (*hardware_disable)(void); int (*check_extension)(struct kvm *kvm, long ext); int (*vcpu_init)(struct kvm_vcpu *vcpu); void (*vcpu_uninit)(struct kvm_vcpu *vcpu); @@ -864,7 +866,6 @@ extern int kvm_mips_trans_mtc0(union mips_instruction inst, u32 *opc, extern void kvm_mips_dump_stats(struct kvm_vcpu *vcpu); extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm); -static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_free_memslot(struct kvm *kvm, diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 78d58c2528a9..5681117083af 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -92,7 +92,12 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) int kvm_arch_hardware_enable(void) { - return 0; + return kvm_mips_callbacks->hardware_enable(); +} + +void kvm_arch_hardware_disable(void) +{ + kvm_mips_callbacks->hardware_disable(); } int kvm_arch_hardware_setup(void) diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c index db3c48634eda..50b812bfe083 100644 --- a/arch/mips/kvm/trap_emul.c +++ b/arch/mips/kvm/trap_emul.c @@ -488,6 +488,15 @@ static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu) return ret; } +static int kvm_trap_emul_hardware_enable(void) +{ + return 0; +} + +static void kvm_trap_emul_hardware_disable(void) +{ +} + static int kvm_trap_emul_check_extension(struct kvm *kvm, long ext) { int r; @@ -1254,6 +1263,8 @@ static struct kvm_mips_callbacks kvm_trap_emul_callbacks = { .handle_fpe = kvm_trap_emul_handle_fpe, .handle_msa_disabled = kvm_trap_emul_handle_msa_disabled, + .hardware_enable = kvm_trap_emul_hardware_enable, + .hardware_disable = kvm_trap_emul_hardware_disable, .check_extension = kvm_trap_emul_check_extension, .vcpu_init = kvm_trap_emul_vcpu_init, .vcpu_uninit = kvm_trap_emul_vcpu_uninit, -- git-series 0.8.10