From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:48800) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLUur-00083O-Vb for qemu-devel@nongnu.org; Tue, 30 Apr 2019 11:43:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hLUup-000269-9Z for qemu-devel@nongnu.org; Tue, 30 Apr 2019 11:43:33 -0400 From: Kevin Wolf Date: Tue, 30 Apr 2019 17:42:33 +0200 Message-Id: <20190430154244.30083-17-kwolf@redhat.com> In-Reply-To: <20190430154244.30083-1-kwolf@redhat.com> References: <20190430154244.30083-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 16/27] block: introduce byte-based io helpers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Vladimir Sementsov-Ogievskiy Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefano Garzarella Signed-off-by: Kevin Wolf --- include/block/block_int.h | 16 ++++++++++++++++ include/sysemu/block-backend.h | 19 +++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/include/block/block_int.h b/include/block/block_int.h index 01e855a066..94d45c9708 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -925,6 +925,22 @@ int coroutine_fn bdrv_co_pwritev(BdrvChild *child, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); =20 +static inline int coroutine_fn bdrv_co_pread(BdrvChild *child, + int64_t offset, unsigned int bytes, void *buf, BdrvRequestFlags flag= s) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return bdrv_co_preadv(child, offset, bytes, &qiov, flags); +} + +static inline int coroutine_fn bdrv_co_pwrite(BdrvChild *child, + int64_t offset, unsigned int bytes, void *buf, BdrvRequestFlags flag= s) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return bdrv_co_pwritev(child, offset, bytes, &qiov, flags); +} + extern unsigned int bdrv_drain_all_count; void bdrv_apply_subtree_drain(BdrvChild *child, BlockDriverState *new_pa= rent); void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_= parent); diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backen= d.h index 3be05c2d68..5be6224226 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -124,6 +124,25 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, in= t64_t offset, int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); + +static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t o= ffset, + unsigned int bytes, void *bu= f, + BdrvRequestFlags flags) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return blk_co_preadv(blk, offset, bytes, &qiov, flags); +} + +static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t = offset, + unsigned int bytes, void *b= uf, + BdrvRequestFlags flags) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return blk_co_pwritev(blk, offset, bytes, &qiov, flags); +} + int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset, int bytes, BdrvRequestFlags flags); BlockAIOCB *blk_aio_pwrite_zeroes(BlockBackend *blk, int64_t offset, --=20 2.20.1 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 X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24935C43219 for ; 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Tue, 30 Apr 2019 11:43:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58558) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hLUuk-0001y1-6D; Tue, 30 Apr 2019 11:43:26 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 44B0B99CFE; Tue, 30 Apr 2019 15:43:25 +0000 (UTC) Received: from linux.fritz.box.com (unknown [10.36.118.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id DE4974C7; Tue, 30 Apr 2019 15:43:22 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Tue, 30 Apr 2019 17:42:33 +0200 Message-Id: <20190430154244.30083-17-kwolf@redhat.com> In-Reply-To: <20190430154244.30083-1-kwolf@redhat.com> References: <20190430154244.30083-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 30 Apr 2019 15:43:25 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 16/27] block: introduce byte-based io helpers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190430154233.LxXD-0JUzvVtHOwh4fT9rhFZvVXjLlxmgBP_3nQSE4c@z> From: Vladimir Sementsov-Ogievskiy Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefano Garzarella Signed-off-by: Kevin Wolf --- include/block/block_int.h | 16 ++++++++++++++++ include/sysemu/block-backend.h | 19 +++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/include/block/block_int.h b/include/block/block_int.h index 01e855a066..94d45c9708 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -925,6 +925,22 @@ int coroutine_fn bdrv_co_pwritev(BdrvChild *child, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); =20 +static inline int coroutine_fn bdrv_co_pread(BdrvChild *child, + int64_t offset, unsigned int bytes, void *buf, BdrvRequestFlags flag= s) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return bdrv_co_preadv(child, offset, bytes, &qiov, flags); +} + +static inline int coroutine_fn bdrv_co_pwrite(BdrvChild *child, + int64_t offset, unsigned int bytes, void *buf, BdrvRequestFlags flag= s) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return bdrv_co_pwritev(child, offset, bytes, &qiov, flags); +} + extern unsigned int bdrv_drain_all_count; void bdrv_apply_subtree_drain(BdrvChild *child, BlockDriverState *new_pa= rent); void bdrv_unapply_subtree_drain(BdrvChild *child, BlockDriverState *old_= parent); diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backen= d.h index 3be05c2d68..5be6224226 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -124,6 +124,25 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, in= t64_t offset, int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); + +static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t o= ffset, + unsigned int bytes, void *bu= f, + BdrvRequestFlags flags) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return blk_co_preadv(blk, offset, bytes, &qiov, flags); +} + +static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t = offset, + unsigned int bytes, void *b= uf, + BdrvRequestFlags flags) +{ + QEMUIOVector qiov =3D QEMU_IOVEC_INIT_BUF(qiov, buf, bytes); + + return blk_co_pwritev(blk, offset, bytes, &qiov, flags); +} + int blk_pwrite_zeroes(BlockBackend *blk, int64_t offset, int bytes, BdrvRequestFlags flags); BlockAIOCB *blk_aio_pwrite_zeroes(BlockBackend *blk, int64_t offset, --=20 2.20.1