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[192.237.175.120]) by mx.google.com with ESMTPS id l72si431444iod.97.2017.06.13.09.15.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Jun 2017 09:15:38 -0700 (PDT) Received-SPF: neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) smtp.mailfrom=xen-devel-bounces@lists.xen.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dKoRx-0008Hb-AE; Tue, 13 Jun 2017 16:13:49 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dKoRv-0008DI-QC for xen-devel@lists.xen.org; Tue, 13 Jun 2017 16:13:47 +0000 Received: from [85.158.143.35] by server-6.bemta-6.messagelabs.com id 84/DB-03920-B3F00495; Tue, 13 Jun 2017 16:13:47 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrGLMWRWlGSWpSXmKPExsVysyfVTdeK3yH S4FSHrsWSj4tZHBg9ju7+zRTAGMWamZeUX5HAmnF+yTmmgk0cFfMmnWBsYFzD3sXIxSEksJlR Yt/n/UxdjJxAzmlGia4bGSA2m4CmxJ3Pn8DiIgLSEtc+X2YEsZkFIiSaFuwFiwsLhEk8fAIRZ xFQlTg/6yxYnFfASmL+9C0sILaEgLzErraLrCA2J1D80vMmRohdlhLNu9czTWDkXsDIsIpRoz i1qCy1SNfYQC+pKDM9oyQ3MTNH19DATC83tbg4MT01JzGpWC85P3cTI9C/DECwg/Hv2sBDjJI cTEqivJ4CdpFCfEn5KZUZicUZ8UWlOanFhxhlODiUJHjt+RwihQSLUtNTK9Iyc4CBBpOW4OBR EuG9zwKU5i0uSMwtzkyHSJ1iVJQS5/3DC5QQAElklObBtcGC+xKjrJQwLyPQIUI8BalFuZklq PKvGMU5GJWEeVt4gKbwZOaVwE1/BbSYCWjx9Ss2IItLEhFSUg2M4ouuul7xspEIWSKg9W2pzQ 7nL7ymeWV/A/b03bQylglaN9N6j2/19IitT02Ln+wRXONX1vL/d1at5jHWn/yTep0rLzY0TbO ICpqdHH3fa+4GNp060VlaF7yDVmw9/mBVeOK/yj/MpUGne6csO/n2Y9bkrs1BebY/BSS0y6b/ /HhxmnqMlvMGJZbijERDLeai4kQAoUABPWkCAAA= X-Env-Sender: julien.grall@arm.com X-Msg-Ref: server-6.tower-21.messagelabs.com!1497370426!50655265!1 X-Originating-IP: [217.140.101.70] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.19; banners=-,-,- X-VirusChecked: Checked Received: (qmail 38361 invoked from network); 13 Jun 2017 16:13:46 -0000 Received: from foss.arm.com (HELO foss.arm.com) (217.140.101.70) by server-6.tower-21.messagelabs.com with SMTP; 13 Jun 2017 16:13:46 -0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0F4EF1596; Tue, 13 Jun 2017 09:13:46 -0700 (PDT) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.206.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4BA0A3F557; Tue, 13 Jun 2017 09:13:45 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xen.org Date: Tue, 13 Jun 2017 17:13:13 +0100 Message-Id: <20170613161323.25196-15-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170613161323.25196-1-julien.grall@arm.com> References: <20170613161323.25196-1-julien.grall@arm.com> Cc: Julien Grall , sstabellini@kernel.org, punit.agrawal@arm.com Subject: [Xen-devel] [PATCH 14/24] xen/arm: Introduce wrappers for MFN <-> MADDR and GFN <-> GADDR X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" The new wrappers will add more safety when converting an address to a frame number (either machine or guest). A follow-up patch will use them to simplify the code. Signed-off-by: Julien Grall Reviewed-by: Stefano Stabellini --- xen/include/asm-arm/mm.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/xen/include/asm-arm/mm.h b/xen/include/asm-arm/mm.h index cc3220a6b7..a42da20f0a 100644 --- a/xen/include/asm-arm/mm.h +++ b/xen/include/asm-arm/mm.h @@ -214,6 +214,10 @@ static inline void __iomem *ioremap_wc(paddr_t start, size_t len) #define pfn_to_paddr(pfn) ((paddr_t)(pfn) << PAGE_SHIFT) #define paddr_to_pfn(pa) ((unsigned long)((pa) >> PAGE_SHIFT)) #define paddr_to_pdx(pa) pfn_to_pdx(paddr_to_pfn(pa)) +#define gfn_to_gaddr(gfn) pfn_to_paddr(gfn_x(gfn)) +#define gaddr_to_gfn(ga) _gfn(paddr_to_pfn(ga)) +#define mfn_to_maddr(mfn) pfn_to_paddr(mfn_x(mfn)) +#define maddr_to_mfn(ma) _mfn(paddr_to_pfn(ma)) #define vmap_to_mfn(va) paddr_to_pfn(virt_to_maddr((vaddr_t)va)) #define vmap_to_page(va) mfn_to_page(vmap_to_mfn(va))