2018-08-30 16:00:07 +03:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
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2020-04-07 17:53:19 +03:00
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Date: Mon, 6 Apr 2020 12:16:48 +0200
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Subject: [PATCH] PVE: Add dummy -id command line parameter
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2018-08-30 16:00:07 +03:00
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This used to be part of the qemu-side PVE authentication for
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VNC. Now this does nothing.
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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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2019-06-06 13:58:15 +03:00
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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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2018-08-30 16:00:07 +03:00
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---
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qemu-options.hx | 3 +++
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2020-04-07 17:53:19 +03:00
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softmmu/vl.c | 8 ++++++++
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2018-08-30 16:00:07 +03:00
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2 files changed, 11 insertions(+)
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diff --git a/qemu-options.hx b/qemu-options.hx
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2023-10-17 15:10:09 +03:00
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index c8c78c92d4..20ca2cdba7 100644
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2018-08-30 16:00:07 +03:00
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--- a/qemu-options.hx
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+++ b/qemu-options.hx
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2023-10-17 15:10:09 +03:00
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@@ -1197,6 +1197,9 @@ legacy PC, they are not recommended for modern configurations.
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2020-04-07 17:53:19 +03:00
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update submodule and patches to 7.1.0
Notable changes:
* The only big change is the switch to using a custom QIOChannel for
savevm-async, because the previously used QEMUFileOps was dropped.
Changes to the current implementation:
* Switch to vector based methods as required for an IO channel. For
short reads the passed-in IO vector is stuffed with zeroes at the
end, just to be sure.
* For reading: The documentation in include/io/channel.h states that
at least one byte should be read, so also error out when whe are
at the very end instead of returning 0.
* For reading: Fix off-by-one error when request goes beyond end.
The wrong code piece was:
if ((pos + size) > maxlen) {
size = maxlen - pos - 1;
}
Previously, the last byte would not be read. It's actually
possible to get a snapshot .raw file that has content all the way
up the final 512 byte (= BDRV_SECTOR_SIZE) boundary without any
trailing zero bytes (I wrote a script to do it).
Luckily, it didn't cause a real issue, because qemu_loadvm_state()
is not interested in the final (i.e. QEMU_VM_VMDESCRIPTION)
section. The buffer for reading it is simply freed up afterwards
and the function will assume that it read the whole section, even
if that's not the case.
* For writing: Make use of the generated blk_pwritev() wrapper
instead of manually wrapping the coroutine to simplify and save a
few lines.
* Adapt to changed interfaces for blk_{pread,pwrite}:
* a9262f551e ("block: Change blk_{pread,pwrite}() param order")
* 3b35d4542c ("block: Add a 'flags' param to blk_pread()")
* bf5b16fa40 ("block: Make blk_{pread,pwrite}() return 0 on success")
Those changes especially affected the qemu-img dd patches, because
the context also changed, but also some of our block drivers used
the functions.
* Drop qemu-common.h include: it got renamed after essentially
everything was moved to other headers. The only remaining user I
could find for things dropped from the header between 7.0 and 7.1
was qemu_get_vm_name() in the iscsi-initiatorname patch, but it
already includes the header to which the function was moved.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
2022-10-14 15:07:13 +03:00
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ERST
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2018-08-30 16:00:07 +03:00
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+DEF("id", HAS_ARG, QEMU_OPTION_id,
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+ "-id n set the VMID", QEMU_ARCH_ALL)
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+
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DEF("fda", HAS_ARG, QEMU_OPTION_fda,
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"-fda/-fdb file use 'file' as floppy disk 0/1 image\n", QEMU_ARCH_ALL)
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DEF("fdb", HAS_ARG, QEMU_OPTION_fdb, "", QEMU_ARCH_ALL)
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2020-04-07 17:53:19 +03:00
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diff --git a/softmmu/vl.c b/softmmu/vl.c
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2023-10-17 15:10:09 +03:00
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index f3251de3e7..1b63ffd33d 100644
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2020-04-07 17:53:19 +03:00
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--- a/softmmu/vl.c
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+++ b/softmmu/vl.c
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2023-10-17 15:10:09 +03:00
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@@ -2679,6 +2679,7 @@ void qemu_init(int argc, char **argv)
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2021-05-27 13:43:32 +03:00
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MachineClass *machine_class;
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bool userconfig = true;
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FILE *vmstate_dump_file = NULL;
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2018-08-30 16:00:07 +03:00
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+ long vm_id;
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2021-05-27 13:43:32 +03:00
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qemu_add_opts(&qemu_drive_opts);
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qemu_add_drive_opts(&qemu_legacy_drive_opts);
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2023-10-17 15:10:09 +03:00
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@@ -3302,6 +3303,13 @@ void qemu_init(int argc, char **argv)
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2022-02-11 12:24:33 +03:00
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machine_parse_property_opt(qemu_find_opts("smp-opts"),
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"smp", optarg);
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2018-08-30 16:00:07 +03:00
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break;
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+ case QEMU_OPTION_id:
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+ vm_id = strtol(optarg, (char **)&optarg, 10);
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+ if (*optarg != 0 || vm_id < 100 || vm_id > INT_MAX) {
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+ error_report("invalid -id argument %s", optarg);
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+ exit(1);
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+ }
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+ break;
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case QEMU_OPTION_vnc:
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2021-05-27 13:43:32 +03:00
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vnc_parse(optarg);
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2018-08-30 16:00:07 +03:00
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break;
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