diff options
Diffstat (limited to 'qga/commands-posix.c')
| -rw-r--r-- | qga/commands-posix.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 849923b260..edf785b2da 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -1029,6 +1029,38 @@ static bool build_guest_fsinfo_for_nonpci_virtio(char const *syspath, return true; } +/* + * 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 = 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 = true; + disk->ccw_address = g_new0(GuestCCWAddress, 1); + disk->ccw_address->cssid = cssid; + disk->ccw_address->ssid = ssid; + disk->ccw_address->subchno = subchno; + disk->ccw_address->devno = 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, @@ -1077,6 +1109,8 @@ static void build_guest_fsinfo_for_real_device(char const *syspath, if (strstr(syspath, "/devices/pci")) { has_hwinf = build_guest_fsinfo_for_pci_dev(syspath, disk, errp); + } else if (strstr(syspath, "/devices/css")) { + has_hwinf = build_guest_fsinfo_for_ccw_dev(syspath, disk, errp); } else if (strstr(syspath, "/virtio")) { has_hwinf = build_guest_fsinfo_for_nonpci_virtio(syspath, disk, errp); } else { |