diff options
| -rw-r--r-- | qga/commands-posix.c | 34 | ||||
| -rw-r--r-- | qga/qapi-schema.json | 20 |
2 files changed, 53 insertions, 1 deletions
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(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, @@ -1081,6 +1113,8 @@ 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 { 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 @@ -847,6 +847,22 @@ 'slot': 'int', 'function': 'int'} } ## +# @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: # # @pci-controller: controller's PCI address (fields are set to -1 if invalid) @@ -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'} } ## # @GuestDiskInfo: |