From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CE215C433EF for ; Wed, 1 Jun 2022 13:42:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vB3RMwMQNIk8s2xq+eOIi8ttlC0UBchRpwpFu0I8Tho=; b=5C0tEtwmQ86vEW FJ02OlQRItALCKqII5Civ7uPDQopROMk/KQUyeL8k8CKuGWqLtue6ZrSXrGrbquxUWo1Xxj1In1SH csiZUV0WTAxaJ7d9gukZZHxo+oKwtHKLtYMk924iZfJ7/2/DrKg6lDeDdDzKaR16RROAJCKCObBPj QDnda1P12wDH3V5vFAQ4YPy9i0SRby+9ZMmODK42TqUZDujytdCnxC71TlJjvDIYZLYeWHO/FFutH 4r6m5w0Unm+8QS/OyZBJAHPr/DGVLWRYjxgXMTsj6mQnRcf6aUFSOCTV2NbUrob/7smiE0V4TF4DE ESSJ1lg+PD6inSClzu5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwObO-00GKFY-Vd; Wed, 01 Jun 2022 13:41:35 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwOaV-00GJuq-JI for linux-arm-kernel@lists.infradead.org; Wed, 01 Jun 2022 13:40:41 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9AC771480; Wed, 1 Jun 2022 06:40:37 -0700 (PDT) Received: from donnerap.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5ACBC3F73D; Wed, 1 Jun 2022 06:40:36 -0700 (PDT) Date: Wed, 1 Jun 2022 14:21:18 +0100 From: Andre Przywara To: Alexandru Elisei Cc: will@kernel.org, julien.thierry.kdev@gmail.com, maz@kernel.org, suzuki.poulose@arm.com, julien@xen.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com Subject: Re: [PATCH v3 kvmtool 12/13] Introduce kvm__arch_default_ram_address() Message-ID: <20220601142118.67212340@donnerap.cambridge.arm.com> In-Reply-To: <20220525112345.121321-13-alexandru.elisei@arm.com> References: <20220525112345.121321-1-alexandru.elisei@arm.com> <20220525112345.121321-13-alexandru.elisei@arm.com> Organization: ARM X-Mailer: Claws Mail 3.18.0 (GTK+ 2.24.32; aarch64-unknown-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220601_064039_785473_FA3361AF X-CRM114-Status: GOOD ( 16.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 25 May 2022 12:23:44 +0100 Alexandru Elisei wrote: > Add a new function, kvm__arch_default_ram_address(), which returns the > default address for guest RAM for each architecture. > > Signed-off-by: Alexandru Elisei Reviewed-by: Andre Przywara Cheers, Andre > --- > arm/aarch32/kvm.c | 5 +++++ > arm/aarch64/kvm.c | 5 +++++ > include/kvm/kvm.h | 1 + > mips/kvm.c | 5 +++++ > powerpc/kvm.c | 5 +++++ > riscv/kvm.c | 5 +++++ > x86/kvm.c | 5 +++++ > 7 files changed, 31 insertions(+) > > diff --git a/arm/aarch32/kvm.c b/arm/aarch32/kvm.c > index 9d68d7a15ee2..768a56bbb5b4 100644 > --- a/arm/aarch32/kvm.c > +++ b/arm/aarch32/kvm.c > @@ -7,3 +7,8 @@ void kvm__arch_validate_cfg(struct kvm *kvm) > kvm->cfg.ram_size, ARM_LOMAP_MAX_MEMORY); > } > } > + > +u64 kvm__arch_default_ram_address(void) > +{ > + return ARM_MEMORY_AREA; > +} > diff --git a/arm/aarch64/kvm.c b/arm/aarch64/kvm.c > index 2134528bf7f2..357936844046 100644 > --- a/arm/aarch64/kvm.c > +++ b/arm/aarch64/kvm.c > @@ -46,6 +46,11 @@ void kvm__arch_validate_cfg(struct kvm *kvm) > } > } > > +u64 kvm__arch_default_ram_address(void) > +{ > + return ARM_MEMORY_AREA; > +} > + > /* > * Return the TEXT_OFFSET value that the guest kernel expects. Note > * that pre-3.17 kernels expose this value using the native endianness > diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h > index 640b76c095f9..360430b78b1e 100644 > --- a/include/kvm/kvm.h > +++ b/include/kvm/kvm.h > @@ -190,6 +190,7 @@ void kvm__remove_socket(const char *name); > void kvm__arch_validate_cfg(struct kvm *kvm); > void kvm__arch_set_cmdline(char *cmdline, bool video); > void kvm__arch_init(struct kvm *kvm); > +u64 kvm__arch_default_ram_address(void); > void kvm__arch_delete_ram(struct kvm *kvm); > int kvm__arch_setup_firmware(struct kvm *kvm); > int kvm__arch_free_firmware(struct kvm *kvm); > diff --git a/mips/kvm.c b/mips/kvm.c > index d8610cf81b94..4cbc9907731b 100644 > --- a/mips/kvm.c > +++ b/mips/kvm.c > @@ -12,6 +12,11 @@ struct kvm_ext kvm_req_ext[] = { > { 0, 0 } > }; > > +u64 kvm__arch_default_ram_address(void) > +{ > + return 0; > +} > + > void kvm__arch_validate_cfg(struct kvm *kvm) > { > } > diff --git a/powerpc/kvm.c b/powerpc/kvm.c > index d281b070fd0e..7b0d0669aff4 100644 > --- a/powerpc/kvm.c > +++ b/powerpc/kvm.c > @@ -48,6 +48,11 @@ struct kvm_ext kvm_req_ext[] = { > { 0, 0 } > }; > > +u64 kvm__arch_default_ram_address(void) > +{ > + return 0; > +} > + > void kvm__arch_validate_cfg(struct kvm *kvm) > { > } > diff --git a/riscv/kvm.c b/riscv/kvm.c > index c46660772aa0..4d6f5cb57ac8 100644 > --- a/riscv/kvm.c > +++ b/riscv/kvm.c > @@ -13,6 +13,11 @@ struct kvm_ext kvm_req_ext[] = { > { 0, 0 }, > }; > > +u64 kvm__arch_default_ram_address(void) > +{ > + return RISCV_RAM; > +} > + > void kvm__arch_validate_cfg(struct kvm *kvm) > { > } > diff --git a/x86/kvm.c b/x86/kvm.c > index 24b0305a1841..328fa7500596 100644 > --- a/x86/kvm.c > +++ b/x86/kvm.c > @@ -35,6 +35,11 @@ struct kvm_ext kvm_req_ext[] = { > { 0, 0 } > }; > > +u64 kvm__arch_default_ram_address(void) > +{ > + return 0; > +} > + > void kvm__arch_validate_cfg(struct kvm *kvm) > { > } _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel