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[83.51.215.31]) by smtp.gmail.com with ESMTPSA id e6sm1738171ejd.31.2021.05.18.11.38.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 11:38:57 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 24/25] hw/virtio: Add methods for aligned pointer access Date: Tue, 18 May 2021 20:36:54 +0200 Message-Id: <20210518183655.1711377-25-philmd@redhat.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210518183655.1711377-1-philmd@redhat.com> References: <20210518183655.1711377-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , "Michael S. Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Huacai Chen , Richard Henderson , Peter Xu , Stefan Hajnoczi , Paolo Bonzini , Bibo Mao Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Suggested-by: Stefan Hajnoczi Signed-off-by: Philippe Mathieu-Daudé --- include/hw/virtio/virtio-access.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/include/hw/virtio/virtio-access.h b/include/hw/virtio/virtio-access.h index ae66bbd74f9..5b20f004e12 100644 --- a/include/hw/virtio/virtio-access.h +++ b/include/hw/virtio/virtio-access.h @@ -66,6 +66,16 @@ static inline rtype virtio_ld ## size ## _phys_cached(VirtIODevice *vdev,\ return ld ## size ## _be_phys_cached(cache, pa);\ }\ return ld ## size ## _le_phys_cached(cache, pa);\ +}\ +static inline rtype virtio_ld ## size ## _phys_cached_aligned(\ + VirtIODevice *vdev,\ + MemoryRegionCache *cache,\ + hwaddr pa)\ +{\ + if (virtio_access_is_big_endian(vdev)) {\ + return ld ## size ## _be_phys_cached_aligned(cache, pa);\ + }\ + return ld ## size ## _le_phys_cached_aligned(cache, pa);\ } #define VIRTIO_ST_CONVERT(size, vtype)\ @@ -98,6 +108,17 @@ static inline void virtio_st ## size ## _phys_cached(VirtIODevice *vdev,\ } else {\ st ## size ## _le_phys_cached(cache, pa, value);\ }\ +}\ +static inline void virtio_st ## size ## _phys_cached_aligned(\ + VirtIODevice *vdev,\ + MemoryRegionCache *cache,\ + hwaddr pa, vtype value)\ +{\ + if (virtio_access_is_big_endian(vdev)) {\ + st ## size ## _be_phys_cached_aligned(cache, pa, value);\ + } else {\ + st ## size ## _le_phys_cached_aligned(cache, pa, value);\ + }\ } #define VIRTIO_LDST_CONVERT(size, rtype, vtype)\ -- 2.26.3