forked from pool/systemd
48af67da26
- udev: path_id - handle Hyper-V devices add: 1008-udev-path_id-handle-Hyper-V-devices.patch - keymap: Update the list of Samsung Series 9 models add: 1009-keymap-Update-the-list-of-Samsung-Series-9-models.patch - keymap: Add Samsung 700T add: 1010-keymap-Add-Samsung-700T.patch - libudev: avoid leak during realloc failure add: 1011-libudev-avoid-leak-during-realloc-failure.patch - libudev: do not resolve $attr{device} symlinks add: 1012-libudev-do-not-resolve-attr-device-symlinks.patch - libudev: validate 'udev' argument to udev_enumerate_new() add: 1013-libudev-validate-udev-argument-to-udev_enumerate_new.patch - udev: fix whitespace add: 1014-udev-fix-whitespace.patch - udev: properly handle symlink removal by 'change' event add: 1015-udev-properly-handle-symlink-removal-by-change-event.patch - udev: builtin - do not fail builtin initialization if one of them returns an error add: 1016-udev-builtin-do-not-fail-builtin-initialization-if-o.patch - udev: use usec_t and now() add: 1017-udev-use-usec_t-and-now.patch closing an non-existent dbus connection and getting assertion failures. - udev: path_id - handle Hyper-V devices add: 1008-udev-path_id-handle-Hyper-V-devices.patch - keymap: Update the list of Samsung Series 9 models add: 1009-keymap-Update-the-list-of-Samsung-Series-9-models.patch - keymap: Add Samsung 700T add: 1010-keymap-Add-Samsung-700T.patch OBS-URL: https://build.opensuse.org/request/show/147673 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=120
73 lines
2.3 KiB
Diff
73 lines
2.3 KiB
Diff
From a24d03b8ee2ca62cd1273e27cf4e79ddcc0fbb1c Mon Sep 17 00:00:00 2001
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From: Hannes Reinecke <hare@suse.de>
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Date: Fri, 23 Nov 2012 14:12:39 +0100
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Subject: [PATCH] udev: path_id - handle Hyper-V devices
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Hyper-V has an abstract bus, which gets renumbered on guest
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startup. So instead of the bus numbers we should be using
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the device GUIDs, which can be retrieved from the 'device_id'
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sysfs attribute.
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---
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src/udev/udev-builtin-path_id.c | 41 +++++++++++++++++++++++++++++++++++++++
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1 files changed, 41 insertions(+), 0 deletions(-)
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Index: systemd-195/src/udev/udev-builtin-path_id.c
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===================================================================
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--- systemd-195.orig/src/udev/udev-builtin-path_id.c
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+++ systemd-195/src/udev/udev-builtin-path_id.c
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@@ -381,6 +381,42 @@ out:
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return hostdev;
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}
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+static struct udev_device *handle_scsi_hyperv(struct udev_device *parent, char **path) {
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+ struct udev_device *hostdev;
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+ struct udev_device *vmbusdev;
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+ const char *guid_str;
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+ char *lun = NULL;
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+ char guid[38];
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+ size_t i, k;
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+
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+ hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
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+ if (!hostdev)
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+ return NULL;
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+
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+ vmbusdev = udev_device_get_parent(hostdev);
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+ if (!vmbusdev)
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+ return NULL;
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+
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+ guid_str = udev_device_get_sysattr_value(vmbusdev, "device_id");
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+ if (!guid_str)
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+ return NULL;
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+
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+ if (strlen(guid_str) < 37 || guid_str[0] != '{' || guid_str[36] != '}')
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+ return NULL;
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+
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+ for (i = 1, k = 0; i < 36; i++) {
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+ if (guid_str[i] == '-')
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+ continue;
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+ guid[k++] = guid_str[i];
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+ }
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+ guid[k] = '\0';
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+
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+ format_lun_number(parent, &lun);
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+ path_prepend(path, "vmbus-%s-%s", guid, lun);
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+ free(lun);
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+ return parent;
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+}
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+
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static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
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{
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const char *devtype;
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@@ -422,6 +458,11 @@ static struct udev_device *handle_scsi(s
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goto out;
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}
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+ if (strstr(name, "/vmbus_") != NULL) {
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+ parent = handle_scsi_hyperv(parent, path);
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+ goto out;
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+ }
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+
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parent = handle_scsi_default(parent, path);
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out:
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return parent;
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