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From 430e76fd964390db86c8486f76b916a1cf7f74c2 Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Fri, 8 Jul 2022 20:49:01 +0200
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Subject: [PATCH 12/17] pc-bios/s390-ccw/virtio: Beautify the code for reading
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virtqueue configuration
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RH-Author: Thomas Huth <thuth@redhat.com>
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RH-MergeRequest: 106: pc-bios/s390-ccw: Fix boot from disks with 4k sectors that do not have the typical DASD geometry
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RH-Commit: [7/10] b15c06b4c5431837672b6cb5d57d09da20718441 (thuth/qemu-kvm-cs9)
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RH-Bugzilla: 2098077
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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Bugzilla: http://bugzilla.redhat.com/2098077
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commit 070824885741f5d2a66626d3c4ecb2773c8e0552
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Author: Thomas Huth <thuth@redhat.com>
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Date: Mon Jul 4 13:18:59 2022 +0200
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pc-bios/s390-ccw/virtio: Beautify the code for reading virtqueue configuration
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It looks nicer if we separate the run_ccw() from the IPL_assert()
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statement, and the error message should talk about "virtio device"
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instead of "block device", since this code is nowadays used for
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non-block (i.e. network) devices, too.
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Message-Id: <20220704111903.62400-9-thuth@redhat.com>
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Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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Reviewed-by: Eric Farman <farman@linux.ibm.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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---
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pc-bios/s390-ccw/virtio.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c
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index d8c2b52710..f37510f312 100644
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--- a/pc-bios/s390-ccw/virtio.c
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+++ b/pc-bios/s390-ccw/virtio.c
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@@ -289,9 +289,8 @@ void virtio_setup_ccw(VDev *vdev)
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.num = 0,
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};
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- IPL_assert(
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- run_ccw(vdev, CCW_CMD_READ_VQ_CONF, &config, sizeof(config), false) == 0,
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- "Could not get block device VQ configuration");
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+ rc = run_ccw(vdev, CCW_CMD_READ_VQ_CONF, &config, sizeof(config), false);
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+ IPL_assert(rc == 0, "Could not get virtio device VQ configuration");
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info.num = config.num;
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vring_init(&vdev->vrings[i], &info;;
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vdev->vrings[i].schid = vdev->schid;
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--
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2.31.1
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