5e258fbe95
- kvm-scsi-fetch-unit-attention-when-creating-the-request.patch [bz#2176702] - kvm-scsi-cleanup-scsi_clear_unit_attention.patch [bz#2176702] - kvm-scsi-clear-unit-attention-only-for-REPORT-LUNS-comma.patch [bz#2176702] - kvm-s390x-ap-Wire-up-the-device-request-notifier-interfa.patch [RHEL-794] - kvm-multifd-Create-property-multifd-flush-after-each-sec.patch [bz#2196295] - kvm-multifd-Protect-multifd_send_sync_main-calls.patch [bz#2196295] - kvm-multifd-Only-flush-once-each-full-round-of-memory.patch [bz#2196295] - kvm-net-socket-prepare-to-cleanup-net_init_socket.patch [RHEL-582] - kvm-net-socket-move-fd-type-checking-to-its-own-function.patch [RHEL-582] - kvm-net-socket-remove-net_init_socket.patch [RHEL-582] - kvm-pcie-Add-hotplug-detect-state-register-to-cmask.patch [bz#2215819] - kvm-spec-Build-DBUS-display.patch [bz#2207940] - Resolves: bz#2176702 ([RHEL9][virtio-scsi] scsi-hd cannot hot-plug successfully after hot-plug it repeatly) - Resolves: RHEL-794 (Backport s390x fixes from QEMU 8.1) - Resolves: bz#2196295 (Multifd flushes its channels 10 times per second) - Resolves: RHEL-582 ([passt][rhel 9.3] qemu core dump occurs when guest is shutdown after hotunplug/hotplug a passt interface) - Resolves: bz#2215819 (Migration test failed while guest with PCIe devices) - Resolves: bz#2207940 ([RFE] Enable qemu-ui-dbus subpackage)
82 lines
2.9 KiB
Diff
82 lines
2.9 KiB
Diff
From 5dd7d26c034c26b2d4d9b91b8d1a7b605e19730f Mon Sep 17 00:00:00 2001
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From: Stefano Garzarella <sgarzare@redhat.com>
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Date: Wed, 12 Jul 2023 15:43:51 +0200
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Subject: [PATCH 02/12] scsi: cleanup scsi_clear_unit_attention()
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RH-Author: Stefano Garzarella <sgarzare@redhat.com>
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RH-MergeRequest: 184: scsi: fix issue with Linux guest and unit attention
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RH-Bugzilla: 2176702
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Commit: [2/3] b3a06a91644e44fae3d76d0fbe72448652db517a (sgarzarella/qemu-kvm-c-9-s)
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The previous commit moved the unit attention clearing when we create
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the request. So now we can clean scsi_clear_unit_attention() to handle
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only the case of the REPORT LUNS command: this is the only case in
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which a UNIT ATTENTION is cleared without having been reported.
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Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
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Message-ID: <20230712134352.118655-3-sgarzare@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit ba947dab98e7cd4337c70975bd255701a2a6aad8)
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Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
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---
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hw/scsi/scsi-bus.c | 28 ++++++----------------------
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1 file changed, 6 insertions(+), 22 deletions(-)
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diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
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index 5d22313b9d..cecd26479e 100644
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--- a/hw/scsi/scsi-bus.c
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+++ b/hw/scsi/scsi-bus.c
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@@ -828,26 +828,12 @@ static void scsi_clear_unit_attention(SCSIRequest *req)
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return;
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}
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- if (req->dev->unit_attention.key != UNIT_ATTENTION &&
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- req->bus->unit_attention.key != UNIT_ATTENTION) {
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- return;
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- }
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-
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- /*
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- * If an INQUIRY command enters the enabled command state,
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- * the device server shall [not] clear any unit attention condition;
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- * See also MMC-6, paragraphs 6.5 and 6.6.2.
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- */
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- if (req->cmd.buf[0] == INQUIRY ||
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- req->cmd.buf[0] == GET_CONFIGURATION ||
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- req->cmd.buf[0] == GET_EVENT_STATUS_NOTIFICATION) {
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- return;
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- }
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-
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if (req->dev->unit_attention.key == UNIT_ATTENTION) {
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ua = &req->dev->unit_attention;
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- } else {
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+ } else if (req->bus->unit_attention.key == UNIT_ATTENTION) {
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ua = &req->bus->unit_attention;
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+ } else {
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+ return;
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}
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/*
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@@ -856,12 +842,10 @@ static void scsi_clear_unit_attention(SCSIRequest *req)
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* with an additional sense code of REPORTED LUNS DATA HAS CHANGED.
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*/
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if (req->cmd.buf[0] == REPORT_LUNS &&
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- !(ua->asc == SENSE_CODE(REPORTED_LUNS_CHANGED).asc &&
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- ua->ascq == SENSE_CODE(REPORTED_LUNS_CHANGED).ascq)) {
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- return;
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+ ua->asc == SENSE_CODE(REPORTED_LUNS_CHANGED).asc &&
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+ ua->ascq == SENSE_CODE(REPORTED_LUNS_CHANGED).ascq) {
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+ *ua = SENSE_CODE(NO_SENSE);
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}
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-
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- *ua = SENSE_CODE(NO_SENSE);
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}
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int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len)
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--
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2.39.3
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