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-rw-r--r--include/qemu/option.h2
-rw-r--r--qemu-img.c4
-rw-r--r--tests/qemu-iotests/082.out956
-rw-r--r--util/qemu-option.c32
4 files changed, 507 insertions, 487 deletions
diff --git a/include/qemu/option.h b/include/qemu/option.h
index 3dfb4493cc..844587cab3 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -132,7 +132,7 @@ typedef int (*qemu_opts_loopfunc)(void *opaque, QemuOpts *opts, Error **errp);
int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
void *opaque, Error **errp);
void qemu_opts_print(QemuOpts *opts, const char *sep);
-void qemu_opts_print_help(QemuOptsList *list);
+void qemu_opts_print_help(QemuOptsList *list, bool print_caption);
void qemu_opts_free(QemuOptsList *list);
QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
diff --git a/qemu-img.c b/qemu-img.c
index b12f4cd19b..4c96db7ba4 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -269,7 +269,7 @@ static int print_block_option_help(const char *filename, const char *fmt)
}
printf("Supported options:\n");
- qemu_opts_print_help(create_opts);
+ qemu_opts_print_help(create_opts, false);
qemu_opts_free(create_opts);
return 0;
}
@@ -3773,7 +3773,7 @@ static int print_amend_option_help(const char *format)
assert(drv->create_opts);
printf("Creation options for '%s':\n", format);
- qemu_opts_print_help(drv->create_opts);
+ qemu_opts_print_help(drv->create_opts, false);
printf("\nNote that not all of these options may be amendable.\n");
return 0;
}
diff --git a/tests/qemu-iotests/082.out b/tests/qemu-iotests/082.out
index 19e9fb13ff..0ce18c075b 100644
--- a/tests/qemu-iotests/082.out
+++ b/tests/qemu-iotests/082.out
@@ -44,171 +44,171 @@ cluster_size: 8192
Testing: create -f qcow2 -o help TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -f qcow2 -u -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file=TEST_DIR/t.qcow2,,help cluster_size=65536 lazy_refcounts=off refcount_bits=16
@@ -227,27 +227,27 @@ qemu-img: Invalid option list: ,,
Testing: create -f qcow2 -o help
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: create -o help
Supported options:
-size Virtual disk size
+ size=<size> - Virtual disk size
Testing: create -f bochs -o help
qemu-img: Format driver 'bochs' does not support image creation
@@ -300,171 +300,171 @@ cluster_size: 8192
Testing: convert -O qcow2 -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
-nocow Turn off copy-on-write (valid only on btrfs)
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,help': No such file or directory
@@ -483,27 +483,27 @@ qemu-img: Invalid option list: ,,
Testing: convert -O qcow2 -o help
Supported options:
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Testing: convert -o help
Supported options:
-size Virtual disk size
+ size=<size> - Virtual disk size
Testing: convert -O bochs -o help
qemu-img: Format driver 'bochs' does not support image creation
@@ -564,177 +564,177 @@ cluster_size: 65536
Testing: amend -f qcow2 -o help TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
@@ -757,29 +757,29 @@ qemu-img: Invalid option list: ,,
Testing: amend -f qcow2 -o help
Creation options for 'qcow2':
-size Virtual disk size
-compat Compatibility level (0.10 or 1.1)
-backing_file File name of a base image
-backing_fmt Image format of the base image
-encryption Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
-encrypt.format Encrypt the image, format choices: 'aes', 'luks'
-encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
-encrypt.cipher-alg Name of encryption cipher algorithm
-encrypt.cipher-mode Name of encryption cipher mode
-encrypt.ivgen-alg Name of IV generator algorithm
-encrypt.ivgen-hash-alg Name of IV generator hash algorithm
-encrypt.hash-alg Name of encryption hash algorithm
-encrypt.iter-time Time to spend in PBKDF in milliseconds
-cluster_size qcow2 cluster size
-preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
-lazy_refcounts Postpone refcount updates
-refcount_bits Width of a reference count entry in bits
+ backing_file=<str> - File name of a base image
+ backing_fmt=<str> - Image format of the base image
+ cluster_size=<size> - qcow2 cluster size
+ compat=<str> - Compatibility level (0.10 or 1.1)
+ encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
+ encrypt.cipher-mode=<str> - Name of encryption cipher mode
+ encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
+ encrypt.hash-alg=<str> - Name of encryption hash algorithm
+ encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
+ encrypt.ivgen-alg=<str> - Name of IV generator algorithm
+ encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
+ encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS passphrase
+ encryption=<bool (on/off)> - Encrypt the image with format 'aes'. (Deprecated in favor of encrypt.format=aes)
+ lazy_refcounts=<bool (on/off)> - Postpone refcount updates
+ preallocation=<str> - Preallocation mode (allowed values: off, metadata, falloc, full)
+ refcount_bits=<num> - Width of a reference count entry in bits
+ size=<size> - Virtual disk size
Note that not all of these options may be amendable.
Testing: convert -o help
Supported options:
-size Virtual disk size
+ size=<size> - Virtual disk size
Testing: amend -f bochs -o help
qemu-img: Format driver 'bochs' does not support option amendment
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 9a5f263294..de42e2a406 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -224,7 +224,14 @@ static const char *opt_type_to_string(enum QemuOptType type)
g_assert_not_reached();
}
-void qemu_opts_print_help(QemuOptsList *list)
+/**
+ * Print the list of options available in the given list. If
+ * @print_caption is true, a caption (including the list name, if it
+ * exists) is printed. The options itself will be indented, so
+ * @print_caption should only be set to false if the caller prints its
+ * own custom caption (so that the indentation makes sense).
+ */
+void qemu_opts_print_help(QemuOptsList *list, bool print_caption)
{
QemuOptDesc *desc;
int i;
@@ -234,12 +241,12 @@ void qemu_opts_print_help(QemuOptsList *list)
desc = list->desc;
while (desc && desc->name) {
GString *str = g_string_new(NULL);
- if (list->name) {
- g_string_append_printf(str, "%s.", list->name);
- }
- g_string_append_printf(str, "%s=%s", desc->name,
+ g_string_append_printf(str, " %s=<%s>", desc->name,
opt_type_to_string(desc->type));
if (desc->help) {
+ if (str->len < 24) {
+ g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
+ }
g_string_append_printf(str, " - %s", desc->help);
}
g_ptr_array_add(array, g_string_free(str, false));
@@ -247,6 +254,19 @@ void qemu_opts_print_help(QemuOptsList *list)
}
g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
+ if (print_caption && array->len > 0) {
+ if (list->name) {
+ printf("%s options:\n", list->name);
+ } else {
+ printf("Options:\n");
+ }
+ } else if (array->len == 0) {
+ if (list->name) {
+ printf("There are no options for %s.\n", list->name);
+ } else {
+ printf("No options available.\n");
+ }
+ }
for (i = 0; i < array->len; i++) {
printf("%s\n", (char *)array->pdata[i]);
}
@@ -930,7 +950,7 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list, const char *params,
opts = opts_parse(list, params, permit_abbrev, false, &invalidp, &err);
if (err) {
if (invalidp && has_help_option(params)) {
- qemu_opts_print_help(list);
+ qemu_opts_print_help(list, true);
error_free(err);
} else {
error_report_err(err);