[pve-devel] [PATCH v4 qemu-server 3/4] drive: Create get_scsi_devicetype
Hannes Duerr
h.duerr at proxmox.com
Fri Nov 17 12:53:10 CET 2023
Encapsulation of the functionality for determining the scsi device type in a new function
for reusability in QemuServer/Drive.pm
Signed-off-by: Hannes Duerr <h.duerr at proxmox.com>
---
PVE/QemuServer.pm | 29 ++++-------------------------
PVE/QemuServer/Drive.pm | 35 ++++++++++++++++++++++++++++++++++-
2 files changed, 38 insertions(+), 26 deletions(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 294702d..6090f91 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -53,7 +53,7 @@ use PVE::QemuServer::Helpers qw(config_aware_timeout min_version windows_version
use PVE::QemuServer::Cloudinit;
use PVE::QemuServer::CGroup;
use PVE::QemuServer::CPUConfig qw(print_cpu_device get_cpu_options);
-use PVE::QemuServer::Drive qw(is_valid_drivename drive_is_cloudinit drive_is_cdrom drive_is_read_only parse_drive print_drive path_is_scsi);
+use PVE::QemuServer::Drive qw(is_valid_drivename drive_is_cloudinit drive_is_cdrom drive_is_read_only parse_drive print_drive);
use PVE::QemuServer::Machine;
use PVE::QemuServer::Memory qw(get_current_memory);
use PVE::QemuServer::Monitor qw(mon_cmd);
@@ -1386,31 +1386,10 @@ sub print_drivedevice_full {
my ($maxdev, $controller, $controller_prefix) = scsihw_infos($conf, $drive);
my $unit = $drive->{index} % $maxdev;
- my $devicetype = 'hd';
- my $path = '';
- if (drive_is_cdrom($drive)) {
- $devicetype = 'cd';
- } else {
- if ($drive->{file} =~ m|^/|) {
- $path = $drive->{file};
- if (my $info = path_is_scsi($path)) {
- if ($info->{type} == 0 && $drive->{scsiblock}) {
- $devicetype = 'block';
- } elsif ($info->{type} == 1) { # tape
- $devicetype = 'generic';
- }
- }
- } else {
- $path = PVE::Storage::path($storecfg, $drive->{file});
- }
- # for compatibility only, we prefer scsi-hd (#2408, #2355, #2380)
- my $version = extract_version($machine_type, kvm_user_version());
- if ($path =~ m/^iscsi\:\/\// &&
- !min_version($version, 4, 1)) {
- $devicetype = 'generic';
- }
- }
+ my $machine_version = extract_version($machine_type, kvm_user_version());
+ my $devicetype = PVE::QemuServer::Drive::get_scsi_devicetype(
+ $drive, $storecfg, $machine_version);
if (!$conf->{scsihw} || $conf->{scsihw} =~ m/^lsi/ || $conf->{scsihw} eq 'pvscsi') {
$device = "scsi-$devicetype,bus=$controller_prefix$controller.0,scsi-id=$unit";
diff --git a/PVE/QemuServer/Drive.pm b/PVE/QemuServer/Drive.pm
index 6d94a2f..de62d43 100644
--- a/PVE/QemuServer/Drive.pm
+++ b/PVE/QemuServer/Drive.pm
@@ -15,9 +15,9 @@ is_valid_drivename
drive_is_cloudinit
drive_is_cdrom
drive_is_read_only
+get_scsi_devicetype
parse_drive
print_drive
-path_is_scsi
);
our $QEMU_FORMAT_RE = qr/raw|cow|qcow|qcow2|qed|vmdk|cloop/;
@@ -822,4 +822,37 @@ sub path_is_scsi {
return $res;
}
+sub get_scsi_devicetype {
+ my ($drive, $storecfg, $machine_version) = @_;
+
+ my $devicetype = 'hd';
+ my $path = '';
+ if (drive_is_cdrom($drive)) {
+ $devicetype = 'cd';
+ } else {
+ if ($drive->{file} =~ m|^/|) {
+ $path = $drive->{file};
+ if (my $info = path_is_scsi($path)) {
+ if ($info->{type} == 0 && $drive->{scsiblock}) {
+ $devicetype = 'block';
+ } elsif ($info->{type} == 1) { # tape
+ $devicetype = 'generic';
+ }
+ }
+ } elsif ($drive->{file} =~ $NEW_DISK_RE){
+ # special syntax cannot be parsed to path
+ return $devicetype;
+ } else {
+ $path = PVE::Storage::path($storecfg, $drive->{file});
+ }
+
+ # for compatibility only, we prefer scsi-hd (#2408, #2355, #2380)
+ if ($path =~ m/^iscsi\:\/\// &&
+ !min_version($machine_version, 4, 1)) {
+ $devicetype = 'generic';
+ }
+ }
+
+ return $devicetype;
+}
1;
--
2.39.2
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