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Tsirkin" , Stefan Hajnoczi , John Snow Date: Fri, 23 Aug 2019 15:22:25 -0400 Message-Id: <20190823192226.21154-4-dmitry.fomichev@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190823192226.21154-1-dmitry.fomichev@wdc.com> References: <20190823192226.21154-1-dmitry.fomichev@wdc.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x X-Received-From: 216.71.153.144 Subject: [Qemu-devel] [PATCH v4 3/4] block/ide/scsi: Set BLK_PERM_SUPPORT_ZONED 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: Dmitry Fomichev , Alistair Francis , qemu-devel@nongnu.org, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Added a new boolean argument to blkconf_apply_backend_options() to let the common block code know whether the chosen block backend can handle zoned block devices or not. blkconf_apply_backend_options() then sets BLK_PERM_SUPPORT_ZONED permission accordingly. The raw code can then use this permission to allow or deny opening a zone device by a particular block driver. Signed-off-by: Dmitry Fomichev Acked-by: Paul Durrant --- hw/block/block.c | 8 ++++++-- hw/block/fdc.c | 5 +++-- hw/block/nvme.c | 2 +- hw/block/virtio-blk.c | 2 +- hw/block/xen-block.c | 2 +- hw/ide/qdev.c | 2 +- hw/scsi/scsi-disk.c | 13 +++++++------ hw/scsi/scsi-generic.c | 2 +- hw/usb/dev-storage.c | 2 +- include/hw/block/block.h | 3 ++- 10 files changed, 24 insertions(+), 17 deletions(-) diff --git a/hw/block/block.c b/hw/block/block.c index bf56c7612b..23fbe4d567 100644 --- a/hw/block/block.c +++ b/hw/block/block.c @@ -86,7 +86,8 @@ void blkconf_blocksizes(BlockConf *conf) } bool blkconf_apply_backend_options(BlockConf *conf, bool readonly, - bool resizable, Error **errp) + bool resizable, bool zoned_support, + Error **errp) { BlockBackend *blk = conf->blk; BlockdevOnError rerror, werror; @@ -98,9 +99,12 @@ bool blkconf_apply_backend_options(BlockConf *conf, bool readonly, if (!readonly) { perm |= BLK_PERM_WRITE; } + if (zoned_support) { + perm |= BLK_PERM_SUPPORT_ZONED; + } shared_perm = BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE_UNCHANGED | - BLK_PERM_GRAPH_MOD; + BLK_PERM_GRAPH_MOD | BLK_PERM_SUPPORT_ZONED; if (resizable) { shared_perm |= BLK_PERM_RESIZE; } diff --git a/hw/block/fdc.c b/hw/block/fdc.c index ac5d31e8c1..c5f41b3eb6 100644 --- a/hw/block/fdc.c +++ b/hw/block/fdc.c @@ -477,7 +477,7 @@ static void fd_change_cb(void *opaque, bool load, Error **errp) } else { if (!blkconf_apply_backend_options(drive->conf, blk_is_read_only(drive->blk), false, - errp)) { + false, errp)) { return; } } @@ -569,7 +569,8 @@ static void floppy_drive_realize(DeviceState *qdev, Error **errp) dev->conf.rerror = BLOCKDEV_ON_ERROR_AUTO; dev->conf.werror = BLOCKDEV_ON_ERROR_AUTO; - if (!blkconf_apply_backend_options(&dev->conf, read_only, false, errp)) { + if (!blkconf_apply_backend_options(&dev->conf, read_only, false, false, + errp)) { return; } diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 12d8254250..07f08d0768 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1334,7 +1334,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) } blkconf_blocksizes(&n->conf); if (!blkconf_apply_backend_options(&n->conf, blk_is_read_only(n->conf.blk), - false, errp)) { + false, false, errp)) { return; } diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 18851601cb..8be62903e2 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -1127,7 +1127,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) if (!blkconf_apply_backend_options(&conf->conf, blk_is_read_only(conf->conf.blk), true, - errp)) { + false, errp)) { return; } s->original_wce = blk_enable_write_cache(conf->conf.blk); diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c index f77343db60..57fe970908 100644 --- a/hw/block/xen-block.c +++ b/hw/block/xen-block.c @@ -229,7 +229,7 @@ static void xen_block_realize(XenDevice *xendev, Error **errp) } if (!blkconf_apply_backend_options(conf, blockdev->info & VDISK_READONLY, - true, errp)) { + true, false, errp)) { return; } diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index 6fba6b62b8..a57a8f1a8f 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -200,7 +200,7 @@ static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp) } } if (!blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, - kind != IDE_CD, errp)) { + kind != IDE_CD, false, errp)) { return; } diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 915641a0f1..8a57caafd7 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -2318,7 +2318,7 @@ static void scsi_disk_unit_attention_reported(SCSIDevice *dev) } } -static void scsi_realize(SCSIDevice *dev, Error **errp) +static void scsi_realize(SCSIDevice *dev, bool zoned_support, Error **errp) { SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); bool read_only; @@ -2362,7 +2362,8 @@ static void scsi_realize(SCSIDevice *dev, Error **errp) } if (!blkconf_apply_backend_options(&dev->conf, read_only, - dev->type == TYPE_DISK, errp)) { + dev->type == TYPE_DISK, zoned_support, + errp)) { return; } @@ -2421,7 +2422,7 @@ static void scsi_hd_realize(SCSIDevice *dev, Error **errp) if (!s->product) { s->product = g_strdup("QEMU HARDDISK"); } - scsi_realize(&s->qdev, errp); + scsi_realize(&s->qdev, false, errp); if (ctx) { aio_context_release(ctx); } @@ -2449,7 +2450,7 @@ static void scsi_cd_realize(SCSIDevice *dev, Error **errp) if (!s->product) { s->product = g_strdup("QEMU CD-ROM"); } - scsi_realize(&s->qdev, errp); + scsi_realize(&s->qdev, false, errp); aio_context_release(ctx); } @@ -2459,7 +2460,7 @@ static void scsi_disk_realize(SCSIDevice *dev, Error **errp) Error *local_err = NULL; if (!dev->conf.blk) { - scsi_realize(dev, &local_err); + scsi_realize(dev, false, &local_err); assert(local_err); error_propagate(errp, local_err); return; @@ -2652,7 +2653,7 @@ static void scsi_block_realize(SCSIDevice *dev, Error **errp) */ s->features |= (1 << SCSI_DISK_F_NO_REMOVABLE_DEVOPS); - scsi_realize(&s->qdev, errp); + scsi_realize(&s->qdev, true, errp); scsi_generic_read_device_inquiry(&s->qdev); out: diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index e7798ebcd0..ccce710497 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -692,7 +692,7 @@ static void scsi_generic_realize(SCSIDevice *s, Error **errp) } if (!blkconf_apply_backend_options(&s->conf, blk_is_read_only(s->conf.blk), - true, errp)) { + true, true, errp)) { return; } diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c index 8545193488..c75c0dd6a5 100644 --- a/hw/usb/dev-storage.c +++ b/hw/usb/dev-storage.c @@ -603,7 +603,7 @@ static void usb_msd_storage_realize(USBDevice *dev, Error **errp) blkconf_blocksizes(&s->conf); if (!blkconf_apply_backend_options(&s->conf, blk_is_read_only(blk), true, - errp)) { + false, errp)) { return; } diff --git a/include/hw/block/block.h b/include/hw/block/block.h index 607539057a..f988edc87e 100644 --- a/include/hw/block/block.h +++ b/include/hw/block/block.h @@ -85,7 +85,8 @@ bool blkconf_geometry(BlockConf *conf, int *trans, Error **errp); void blkconf_blocksizes(BlockConf *conf); bool blkconf_apply_backend_options(BlockConf *conf, bool readonly, - bool resizable, Error **errp); + bool resizable, bool zoned_support, + Error **errp); /* Hard disk geometry */