From: Marc Zyngier <marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: catalin.marinas@arm.com, will.deacon@arm.com, pbonzini@redhat.com, gleb@redhat.com, Christopher Covington <cov@codeaurora.org> Subject: [PATCH v4 13/32] arm64: KVM: MMIO access backend Date: Tue, 14 May 2013 15:13:41 +0100 [thread overview] Message-ID: <1368540840-26750-14-git-send-email-marc.zyngier@arm.com> (raw) In-Reply-To: <1368540840-26750-1-git-send-email-marc.zyngier@arm.com> Define the necessary structures to perform an MMIO access. Reviewed-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- arch/arm64/include/asm/kvm_mmio.h | 59 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 arch/arm64/include/asm/kvm_mmio.h diff --git a/arch/arm64/include/asm/kvm_mmio.h b/arch/arm64/include/asm/kvm_mmio.h new file mode 100644 index 0000000..fc2f689 --- /dev/null +++ b/arch/arm64/include/asm/kvm_mmio.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Author: Christoffer Dall <c.dall@virtualopensystems.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 __ARM64_KVM_MMIO_H__ +#define __ARM64_KVM_MMIO_H__ + +#include <linux/kvm_host.h> +#include <asm/kvm_asm.h> +#include <asm/kvm_arm.h> + +/* + * This is annoying. The mmio code requires this, even if we don't + * need any decoding. To be fixed. + */ +struct kvm_decode { + unsigned long rt; + bool sign_extend; +}; + +/* + * The in-kernel MMIO emulation code wants to use a copy of run->mmio, + * which is an anonymous type. Use our own type instead. + */ +struct kvm_exit_mmio { + phys_addr_t phys_addr; + u8 data[8]; + u32 len; + bool is_write; +}; + +static inline void kvm_prepare_mmio(struct kvm_run *run, + struct kvm_exit_mmio *mmio) +{ + run->mmio.phys_addr = mmio->phys_addr; + run->mmio.len = mmio->len; + run->mmio.is_write = mmio->is_write; + memcpy(run->mmio.data, mmio->data, mmio->len); + run->exit_reason = KVM_EXIT_MMIO; +} + +int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run); +int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run, + phys_addr_t fault_ipa); + +#endif /* __ARM64_KVM_MMIO_H__ */ -- 1.8.2.3
WARNING: multiple messages have this Message-ID (diff)
From: marc.zyngier@arm.com (Marc Zyngier) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 13/32] arm64: KVM: MMIO access backend Date: Tue, 14 May 2013 15:13:41 +0100 [thread overview] Message-ID: <1368540840-26750-14-git-send-email-marc.zyngier@arm.com> (raw) In-Reply-To: <1368540840-26750-1-git-send-email-marc.zyngier@arm.com> Define the necessary structures to perform an MMIO access. Reviewed-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- arch/arm64/include/asm/kvm_mmio.h | 59 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 arch/arm64/include/asm/kvm_mmio.h diff --git a/arch/arm64/include/asm/kvm_mmio.h b/arch/arm64/include/asm/kvm_mmio.h new file mode 100644 index 0000000..fc2f689 --- /dev/null +++ b/arch/arm64/include/asm/kvm_mmio.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Author: Christoffer Dall <c.dall@virtualopensystems.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 __ARM64_KVM_MMIO_H__ +#define __ARM64_KVM_MMIO_H__ + +#include <linux/kvm_host.h> +#include <asm/kvm_asm.h> +#include <asm/kvm_arm.h> + +/* + * This is annoying. The mmio code requires this, even if we don't + * need any decoding. To be fixed. + */ +struct kvm_decode { + unsigned long rt; + bool sign_extend; +}; + +/* + * The in-kernel MMIO emulation code wants to use a copy of run->mmio, + * which is an anonymous type. Use our own type instead. + */ +struct kvm_exit_mmio { + phys_addr_t phys_addr; + u8 data[8]; + u32 len; + bool is_write; +}; + +static inline void kvm_prepare_mmio(struct kvm_run *run, + struct kvm_exit_mmio *mmio) +{ + run->mmio.phys_addr = mmio->phys_addr; + run->mmio.len = mmio->len; + run->mmio.is_write = mmio->is_write; + memcpy(run->mmio.data, mmio->data, mmio->len); + run->exit_reason = KVM_EXIT_MMIO; +} + +int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run); +int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run, + phys_addr_t fault_ipa); + +#endif /* __ARM64_KVM_MMIO_H__ */ -- 1.8.2.3
next prev parent reply other threads:[~2013-05-14 14:14 UTC|newest] Thread overview: 154+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-14 14:13 [PATCH v4 00/32] Port of KVM to arm64 Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 01/32] arm64: KVM: define HYP and Stage-2 translation page flags Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 14:29 ` Catalin Marinas 2013-05-20 14:29 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 02/32] arm64: KVM: HYP mode idmap support Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 15:31 ` Catalin Marinas 2013-05-20 15:31 ` Catalin Marinas 2013-05-20 15:43 ` Marc Zyngier 2013-05-20 15:43 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 03/32] arm64: KVM: EL2 register definitions Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 15:35 ` Catalin Marinas 2013-05-20 15:35 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 04/32] arm64: KVM: system register definitions for 64bit guests Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 15:38 ` Catalin Marinas 2013-05-20 15:38 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 05/32] arm64: KVM: Basic ESR_EL2 helpers and vcpu register access Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 15:41 ` Catalin Marinas 2013-05-20 15:41 ` Catalin Marinas 2013-05-20 15:45 ` Marc Zyngier 2013-05-20 15:45 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 06/32] arm64: KVM: fault injection into a guest Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 15:53 ` Catalin Marinas 2013-05-20 15:53 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 07/32] arm64: KVM: architecture specific MMU backend Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 15:57 ` Catalin Marinas 2013-05-20 15:57 ` Catalin Marinas 2013-05-20 16:17 ` Marc Zyngier 2013-05-20 16:17 ` Marc Zyngier 2013-05-20 16:25 ` Catalin Marinas 2013-05-20 16:25 ` Catalin Marinas 2013-05-20 16:27 ` Marc Zyngier 2013-05-20 16:27 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 08/32] arm64: KVM: user space interface Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 16:01 ` Catalin Marinas 2013-05-20 16:01 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 09/32] arm64: KVM: system register handling Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 16:21 ` Catalin Marinas 2013-05-20 16:21 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 10/32] arm64: KVM: CPU specific system registers handling Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 16:26 ` Catalin Marinas 2013-05-20 16:26 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 11/32] arm64: KVM: virtual CPU reset Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 16:27 ` Catalin Marinas 2013-05-20 16:27 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 12/32] arm64: KVM: kvm_arch and kvm_vcpu_arch definitions Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-20 16:29 ` Catalin Marinas 2013-05-20 16:29 ` Catalin Marinas 2013-05-14 14:13 ` Marc Zyngier [this message] 2013-05-14 14:13 ` [PATCH v4 13/32] arm64: KVM: MMIO access backend Marc Zyngier 2013-05-21 13:19 ` Catalin Marinas 2013-05-21 13:19 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 14/32] arm64: KVM: guest one-reg interface Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 14:30 ` Catalin Marinas 2013-05-21 14:30 ` Catalin Marinas 2013-05-21 14:36 ` Marc Zyngier 2013-05-21 14:36 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 15/32] arm64: KVM: hypervisor initialization code Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 14:40 ` Catalin Marinas 2013-05-21 14:40 ` Catalin Marinas 2013-05-21 14:49 ` Marc Zyngier 2013-05-21 14:49 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 16/32] arm64: KVM: HYP mode world switch implementation Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:16 ` Catalin Marinas 2013-05-21 15:16 ` Catalin Marinas 2013-05-21 16:43 ` Marc Zyngier 2013-05-21 16:43 ` Marc Zyngier 2013-05-14 14:13 ` [PATCH v4 17/32] arm64: KVM: Exit handling Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:20 ` Catalin Marinas 2013-05-21 15:20 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 18/32] arm64: KVM: Plug the VGIC Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:21 ` Catalin Marinas 2013-05-21 15:21 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 19/32] arm64: KVM: Plug the arch timer Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:27 ` Catalin Marinas 2013-05-21 15:27 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 20/32] arm64: KVM: PSCI implementation Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:38 ` Catalin Marinas 2013-05-21 15:38 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 21/32] arm64: KVM: Build system integration Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:42 ` Catalin Marinas 2013-05-21 15:42 ` Catalin Marinas 2013-05-21 16:09 ` Paolo Bonzini 2013-05-21 16:09 ` Paolo Bonzini 2013-05-21 16:14 ` Marc Zyngier 2013-05-21 16:14 ` Marc Zyngier 2013-05-22 8:42 ` Catalin Marinas 2013-05-22 8:42 ` Catalin Marinas 2013-05-22 8:45 ` Paolo Bonzini 2013-05-22 8:45 ` Paolo Bonzini 2013-05-14 14:13 ` [PATCH v4 22/32] arm64: KVM: define 32bit specific registers Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 10:46 ` Catalin Marinas 2013-05-23 10:46 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 23/32] arm64: KVM: 32bit GP register access Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 10:48 ` Catalin Marinas 2013-05-23 10:48 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 24/32] arm64: KVM: 32bit conditional execution emulation Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 10:53 ` Catalin Marinas 2013-05-23 10:53 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 25/32] arm64: KVM: 32bit handling of coprocessor traps Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 11:00 ` Catalin Marinas 2013-05-23 11:00 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 26/32] arm64: KVM: CPU specific 32bit coprocessor access Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 11:00 ` Catalin Marinas 2013-05-23 11:00 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 27/32] arm64: KVM: 32bit specific register world switch Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 11:02 ` Catalin Marinas 2013-05-23 11:02 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 28/32] arm64: KVM: 32bit guest fault injection Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 11:08 ` Catalin Marinas 2013-05-23 11:08 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 29/32] arm64: KVM: enable initialization of a 32bit vcpu Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 11:08 ` Catalin Marinas 2013-05-23 11:08 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 30/32] arm64: KVM: userspace API documentation Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-23 11:10 ` Catalin Marinas 2013-05-23 11:10 ` Catalin Marinas 2013-05-14 14:13 ` [PATCH v4 31/32] arm64: KVM: MAINTAINERS update Marc Zyngier 2013-05-14 14:13 ` Marc Zyngier 2013-05-21 15:44 ` Catalin Marinas 2013-05-21 15:44 ` Catalin Marinas 2013-05-14 14:14 ` [PATCH v4 32/32] arm64: KVM: document kernel object mappings in HYP Marc Zyngier 2013-05-14 14:14 ` Marc Zyngier 2013-05-23 11:12 ` Catalin Marinas 2013-05-23 11:12 ` Catalin Marinas
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