[pbs-devel] [RFC PATCH pve-qemu 4/6] pve: Add patch to support new proxmox-backup-qemu API

[Christoph Heiss <c.heiss@proxmox.com>]

Adds a QEMU patch to support the updated API from proxmox-backup-qemu,
which adds a `protected_` parameter to `proxmox_backup_finish{,_async}`.

Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
---
 ...upport-for-protected-flag-to-proxmox.patch | 150 ++++++++++++++++++
 debian/patches/series                         |   1 +
 2 files changed, 151 insertions(+)
 create mode 100644 debian/patches/pve/0063-PVE-Backup-Add-support-for-protected-flag-to-proxmox.patch

diff --git a/debian/patches/pve/0063-PVE-Backup-Add-support-for-protected-flag-to-proxmox.patch b/debian/patches/pve/0063-PVE-Backup-Add-support-for-protected-flag-to-proxmox.patch
new file mode 100644
index 0000000..4d69abd
--- /dev/null
+++ b/debian/patches/pve/0063-PVE-Backup-Add-support-for-protected-flag-to-proxmox.patch
@@ -0,0 +1,150 @@
+From b40c4fe9cc04c95ddaf405fdb4d57cd000f91944 Mon Sep 17 00:00:00 2001
+From: Christoph Heiss <c.heiss@proxmox.com>
+Date: Wed, 18 Jan 2023 10:35:01 +0100
+Subject: [PATCH] PVE-Backup: Add support for `protected` flag to
+ proxmox-backup-client
+
+Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
+---
+ block/monitor/block-hmp-cmds.c |  1 +
+ proxmox-backup-client.c        |  3 ++-
+ proxmox-backup-client.h        |  1 +
+ pve-backup.c                   |  6 +++++-
+ qapi/block-core.json           | 11 +++++++++--
+ 5 files changed, 18 insertions(+), 4 deletions(-)
+
+diff --git a/block/monitor/block-hmp-cmds.c b/block/monitor/block-hmp-cmds.c
+index ab0c988ae9..fef9a25774 100644
+--- a/block/monitor/block-hmp-cmds.c
++++ b/block/monitor/block-hmp-cmds.c
+@@ -1051,6 +1051,7 @@ void coroutine_fn hmp_backup(Monitor *mon, const QDict *qdict)
+         false, NULL, false, NULL, !!devlist,
+         devlist, qdict_haskey(qdict, "speed"), speed,
+         false, 0, // BackupPerf max-workers
++        false, false, // PBS protected
+         &error);
+
+     hmp_handle_error(mon, error);
+diff --git a/proxmox-backup-client.c b/proxmox-backup-client.c
+index 0923037dec..50691e0993 100644
+--- a/proxmox-backup-client.c
++++ b/proxmox-backup-client.c
+@@ -80,6 +80,7 @@ proxmox_backup_co_register_image(
+ int coroutine_fn
+ proxmox_backup_co_finish(
+     ProxmoxBackupHandle *pbs,
++    bool protected_,
+     Error **errp)
+ {
+     Coroutine *co = qemu_coroutine_self();
+@@ -89,7 +90,7 @@ proxmox_backup_co_finish(
+     int pbs_res = -1;
+
+     proxmox_backup_finish_async(
+-        pbs, proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err);
++        pbs, protected_, proxmox_backup_schedule_wake, &waker, &pbs_res, &pbs_err);
+     qemu_coroutine_yield();
+     if (pbs_res < 0) {
+         if (errp) error_setg(errp, "backup finish failed: %s", pbs_err ? pbs_err : "unknown error");
+diff --git a/proxmox-backup-client.h b/proxmox-backup-client.h
+index 8cbf645b2c..12c128f37c 100644
+--- a/proxmox-backup-client.h
++++ b/proxmox-backup-client.h
+@@ -39,6 +39,7 @@ proxmox_backup_co_register_image(
+ int coroutine_fn
+ proxmox_backup_co_finish(
+     ProxmoxBackupHandle *pbs,
++    bool protected_,
+     Error **errp);
+
+ int coroutine_fn
+diff --git a/pve-backup.c b/pve-backup.c
+index 3ca4f74cb8..d2469e6065 100644
+--- a/pve-backup.c
++++ b/pve-backup.c
+@@ -55,6 +55,7 @@ static struct PVEBackupState {
+         bool starting;
+     } stat;
+     int64_t speed;
++    bool protected;
+     BackupPerf perf;
+     VmaWriter *vmaw;
+     ProxmoxBackupHandle *pbs;
+@@ -257,7 +258,7 @@ static void coroutine_fn pvebackup_co_cleanup(void)
+     if (backup_state.pbs) {
+         if (!pvebackup_error_or_canceled()) {
+             Error *local_err = NULL;
+-            proxmox_backup_co_finish(backup_state.pbs, &local_err);
++            proxmox_backup_co_finish(backup_state.pbs, backup_state.protected, &local_err);
+             if (local_err != NULL) {
+                 pvebackup_propagate_error(local_err);
+             }
+@@ -585,6 +586,7 @@ UuidInfo coroutine_fn *qmp_backup(
+     bool has_devlist, const char *devlist,
+     bool has_speed, int64_t speed,
+     bool has_max_workers, int64_t max_workers,
++    bool has_protected, bool protected,
+     Error **errp)
+ {
+     assert(qemu_in_coroutine());
+@@ -914,6 +916,7 @@ UuidInfo coroutine_fn *qmp_backup(
+     qemu_mutex_unlock(&backup_state.stat.lock);
+
+     backup_state.speed = (has_speed && speed > 0) ? speed : 0;
++    backup_state.protected = has_protected ? protected : false;
+
+     backup_state.perf = (BackupPerf){ .max_workers = 16 };
+     if (has_max_workers) {
+@@ -1096,5 +1099,6 @@ ProxmoxSupportStatus *qmp_query_proxmox_support(Error **errp)
+     ret->query_bitmap_info = true;
+     ret->pbs_masterkey = true;
+     ret->backup_max_workers = true;
++    ret->pbs_protected_flag = true;
+     return ret;
+ }
+diff --git a/qapi/block-core.json b/qapi/block-core.json
+index 65795b7204..01d304022b 100644
+--- a/qapi/block-core.json
++++ b/qapi/block-core.json
+@@ -831,6 +831,8 @@
+ #
+ # @max-workers: see @BackupPerf for details. Default 16.
+ #
++# @protected: set backup as protected when finished (only for format 'pbs', defaults to false)
++#
+ # Returns: the uuid of the backup job
+ #
+ ##
+@@ -851,7 +853,8 @@
+                                     '*firewall-file': 'str',
+                                     '*devlist': 'str',
+                                     '*speed': 'int',
+-                                    '*max-workers': 'int' },
++                                    '*max-workers': 'int',
++                                    '*protected': 'bool' },
+   'returns': 'UuidInfo', 'coroutine': true }
+
+ ##
+@@ -899,6 +902,9 @@
+ #
+ # @pbs-library-version: Running version of libproxmox-backup-qemu0 library.
+ #
++# @pbs-protected-flag: True if the QMP backup call supports the
++#                      'protected' parameter.
++#
+ ##
+ { 'struct': 'ProxmoxSupportStatus',
+   'data': { 'pbs-dirty-bitmap': 'bool',
+@@ -907,7 +913,8 @@
+             'pbs-dirty-bitmap-migration': 'bool',
+             'pbs-masterkey': 'bool',
+             'pbs-library-version': 'str',
+-            'backup-max-workers': 'bool' } }
++            'backup-max-workers': 'bool',
++            'pbs-protected-flag': 'bool' } }
+
+ ##
+ # @query-proxmox-support:
+--
+2.34.1
+
diff --git a/debian/patches/series b/debian/patches/series
index f8e3fe8..7c44728 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -72,3 +72,4 @@ pve/0059-vma-create-support-64KiB-unaligned-input-images.patch
 pve/0060-vma-create-avoid-triggering-assertion-in-error-case.patch
 pve/0061-block-alloc-track-avoid-premature-break.patch
 pve/0062-PVE-Backup-allow-passing-max-workers-performance-set.patch
+pve/0063-PVE-Backup-Add-support-for-protected-flag-to-proxmox.patch
--
2.34.1