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auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: qemu-s390x@nongnu.org, Cornelia Huck Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We need the CCW address on the libvirt side to correctly identify the disk, so add this information to the GuestDiskAddress on s390x. Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=3D1755075 Signed-off-by: Thomas Huth Reviewed-by: Cornelia Huck Reviewed-by: Michael Roth --- v2: Add missing comment about "subchno" (thanks to Cornelia for spotting t= his) The libirt part of this fix can be found here: https://www.redhat.com/archives/libvir-list/2020-November/msg01455.html qga/commands-posix.c | 34 ++++++++++++++++++++++++++++++++++ qga/qapi-schema.json | 20 +++++++++++++++++++- 2 files changed, 53 insertions(+), 1 deletion(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index c089e38120..5aa5eff84f 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -1029,6 +1029,38 @@ static bool build_guest_fsinfo_for_nonpci_virtio(cha= r const *syspath, return true; } =20 +/* + * Store disk device info for CCW devices (s390x channel I/O devices). + * Returns true if information has been stored, or false for failure. + */ +static bool build_guest_fsinfo_for_ccw_dev(char const *syspath, + GuestDiskAddress *disk, + Error **errp) +{ + unsigned int cssid, ssid, subchno, devno; + char *p; + + p =3D strstr(syspath, "/devices/css"); + if (!p || sscanf(p + 12, "%*x/%x.%x.%x/%*x.%*x.%x/", + &cssid, &ssid, &subchno, &devno) < 4) { + g_debug("could not parse ccw device sysfs path: %s", syspath); + return false; + } + + disk->has_ccw_address =3D true; + disk->ccw_address =3D g_new0(GuestCCWAddress, 1); + disk->ccw_address->cssid =3D cssid; + disk->ccw_address->ssid =3D ssid; + disk->ccw_address->subchno =3D subchno; + disk->ccw_address->devno =3D devno; + + if (strstr(p, "/virtio")) { + build_guest_fsinfo_for_nonpci_virtio(syspath, disk, errp); + } + + return true; +} + /* Store disk device info specified by @sysfs into @fs */ static void build_guest_fsinfo_for_real_device(char const *syspath, GuestFilesystemInfo *fs, @@ -1081,6 +1113,8 @@ static void build_guest_fsinfo_for_real_device(char c= onst *syspath, =20 if (strstr(syspath, "/devices/pci")) { has_hwinf =3D build_guest_fsinfo_for_pci_dev(syspath, disk, errp); + } else if (strstr(syspath, "/devices/css")) { + has_hwinf =3D build_guest_fsinfo_for_ccw_dev(syspath, disk, errp); } else if (strstr(syspath, "/virtio")) { has_hwinf =3D build_guest_fsinfo_for_nonpci_virtio(syspath, disk, = errp); } else { diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index 3b3d1d0bd9..9a82b7e952 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -846,6 +846,22 @@ 'data': {'domain': 'int', 'bus': 'int', 'slot': 'int', 'function': 'int'} } =20 +## +# @GuestCCWAddress: +# +# @cssid: channel subsystem image id +# @ssid: subchannel set id +# @subchno: subchannel number +# @devno: device number +# +# Since: 6.0 +## +{ 'struct': 'GuestCCWAddress', + 'data': {'cssid': 'int', + 'ssid': 'int', + 'subchno': 'int', + 'devno': 'int'} } + ## # @GuestDiskAddress: # @@ -856,6 +872,7 @@ # @unit: unit id # @serial: serial number (since: 3.1) # @dev: device node (POSIX) or device UNC (Windows) (since: 3.1) +# @ccw-address: CCW address on s390x (since: 6.0) # # Since: 2.2 ## @@ -863,7 +880,8 @@ 'data': {'pci-controller': 'GuestPCIAddress', 'bus-type': 'GuestDiskBusType', 'bus': 'int', 'target': 'int', 'unit': 'int', - '*serial': 'str', '*dev': 'str'} } + '*serial': 'str', '*dev': 'str', + '*ccw-address': 'GuestCCWAddress'} } =20 ## # @GuestDiskInfo: --=20 2.18.4