Since we now store options in a struct, we should generate the command line
options
dynamically. This is a pre-requisite to the following patch moving the options
into struct kvm.
Signed-off-by: Sasha Levin <levinsasha...@gmail.com>
---
tools/kvm/builtin-run.c | 132 ++++++++++++++++++++++++++----------------------
1 file changed, 72 insertions(+), 60 deletions(-)
diff --git a/tools/kvm/builtin-run.c b/tools/kvm/builtin-run.c
index 19260c3..db5ae4b 100644
--- a/tools/kvm/builtin-run.c
+++ b/tools/kvm/builtin-run.c
@@ -455,66 +455,76 @@ static int shmem_parser(const struct option *opt, const
char *arg, int unset)
return 0;
}
-static const struct option options[] = {
- OPT_GROUP("Basic options:"),
- OPT_STRING('\0', "name", &cfg.guest_name, "guest name",
- "A name for the guest"),
- OPT_INTEGER('c', "cpus", &nrcpus, "Number of CPUs"),
- OPT_U64('m', "mem", &cfg.ram_size, "Virtual machine memory size in
MiB."),
- OPT_CALLBACK('\0', "shmem", NULL,
- "[pci:]<addr>:<size>[:handle=<handle>][:create]",
- "Share host shmem with guest via pci device",
- shmem_parser),
- OPT_CALLBACK('d', "disk", NULL, "image or rootfs_dir", "Disk image or
rootfs directory", img_name_parser),
- OPT_BOOLEAN('\0', "balloon", &cfg.balloon, "Enable virtio balloon"),
- OPT_BOOLEAN('\0', "vnc", &cfg.vnc, "Enable VNC framebuffer"),
- OPT_BOOLEAN('\0', "sdl", &cfg.sdl, "Enable SDL framebuffer"),
- OPT_BOOLEAN('\0', "rng", &cfg.virtio_rng, "Enable virtio Random Number
Generator"),
- OPT_CALLBACK('\0', "9p", NULL, "dir_to_share,tag_name",
- "Enable virtio 9p to share files between host and guest",
virtio_9p_rootdir_parser),
- OPT_STRING('\0', "console", &cfg.console, "serial, virtio or hv",
- "Console to use"),
- OPT_STRING('\0', "dev", &cfg.dev, "device_file", "KVM device file"),
- OPT_CALLBACK('\0', "tty", NULL, "tty id",
- "Remap guest TTY into a pty on the host",
- tty_parser),
- OPT_STRING('\0', "sandbox", &cfg.sandbox, "script",
- "Run this script when booting into custom rootfs"),
- OPT_STRING('\0', "hugetlbfs", &cfg.hugetlbfs_path, "path", "Hugetlbfs
path"),
-
- OPT_GROUP("Kernel options:"),
- OPT_STRING('k', "kernel", &cfg.kernel_filename, "kernel",
- "Kernel to boot in virtual machine"),
- OPT_STRING('i', "initrd", &cfg.initrd_filename, "initrd",
- "Initial RAM disk image"),
- OPT_STRING('p', "params", &cfg.kernel_cmdline, "params",
- "Kernel command line arguments"),
- OPT_STRING('f', "firmware", &cfg.firmware_filename, "firmware",
- "Firmware image to boot in virtual machine"),
-
- OPT_GROUP("Networking options:"),
- OPT_CALLBACK_DEFAULT('n', "network", NULL, "network params",
- "Create a new guest NIC",
- netdev_parser, NULL),
- OPT_BOOLEAN('\0', "no-dhcp", &cfg.no_dhcp, "Disable kernel DHCP in
rootfs mode"),
-
- OPT_GROUP("BIOS options:"),
- OPT_INTEGER('\0', "vidmode", &vidmode,
- "Video mode"),
-
- OPT_GROUP("Debug options:"),
- OPT_BOOLEAN('\0', "debug", &do_debug_print,
- "Enable debug messages"),
- OPT_BOOLEAN('\0', "debug-single-step", &cfg.single_step,
- "Enable single stepping"),
- OPT_BOOLEAN('\0', "debug-ioport", &ioport_debug,
- "Enable ioport debugging"),
- OPT_BOOLEAN('\0', "debug-mmio", &mmio_debug,
- "Enable MMIO debugging"),
- OPT_INTEGER('\0', "debug-iodelay", &debug_iodelay,
- "Delay IO by millisecond"),
- OPT_END()
-};
+#define BUILD_OPTIONS(name, cfg) \
+ struct option name[] = { \
+ OPT_GROUP("Basic options:"), \
+ OPT_STRING('\0', "name", &(cfg)->guest_name, "guest name", \
+ "A name for the guest"), \
+ OPT_INTEGER('c', "cpus", &nrcpus, "Number of CPUs"), \
+ OPT_U64('m', "mem", &(cfg)->ram_size, "Virtual machine memory size\
+ in MiB."), \
+ OPT_CALLBACK('\0', "shmem", NULL, \
+ "[pci:]<addr>:<size>[:handle=<handle>][:create]", \
+ "Share host shmem with guest via pci device", \
+ shmem_parser), \
+ OPT_CALLBACK('d', "disk", NULL, "image or rootfs_dir", "Disk \
+ image or rootfs directory", img_name_parser), \
+ OPT_BOOLEAN('\0', "balloon", &(cfg)->balloon, "Enable virtio \
+ balloon"), \
+ OPT_BOOLEAN('\0', "vnc", &(cfg)->vnc, "Enable VNC framebuffer"),\
+ OPT_BOOLEAN('\0', "sdl", &(cfg)->sdl, "Enable SDL framebuffer"),\
+ OPT_BOOLEAN('\0', "rng", &(cfg)->virtio_rng, "Enable virtio Random\
+ Number Generator"), \
+ OPT_CALLBACK('\0', "9p", NULL, "dir_to_share,tag_name", \
+ "Enable virtio 9p to share files between host and \
+ guest", virtio_9p_rootdir_parser), \
+ OPT_STRING('\0', "console", &(cfg)->console, "serial, virtio or \
+ hv", "Console to use"), \
+ OPT_STRING('\0', "dev", &(cfg)->dev, "device_file", \
+ "KVM device file"), \
+ OPT_CALLBACK('\0', "tty", NULL, "tty id", \
+ "Remap guest TTY into a pty on the host", \
+ tty_parser), \
+ OPT_STRING('\0', "sandbox", &(cfg)->sandbox, "script", \
+ "Run this script when booting into custom \
+ rootfs"), \
+ OPT_STRING('\0', "hugetlbfs", &(cfg)->hugetlbfs_path, "path", \
+ "Hugetlbfs path"), \
+ \
+ OPT_GROUP("Kernel options:"), \
+ OPT_STRING('k', "kernel", &(cfg)->kernel_filename, "kernel", \
+ "Kernel to boot in virtual machine"), \
+ OPT_STRING('i', "initrd", &(cfg)->initrd_filename, "initrd", \
+ "Initial RAM disk image"), \
+ OPT_STRING('p', "params", &(cfg)->kernel_cmdline, "params", \
+ "Kernel command line arguments"), \
+ OPT_STRING('f', "firmware", &(cfg)->firmware_filename, "firmware",\
+ "Firmware image to boot in virtual machine"), \
+ \
+ OPT_GROUP("Networking options:"), \
+ OPT_CALLBACK_DEFAULT('n', "network", NULL, "network params", \
+ "Create a new guest NIC", \
+ netdev_parser, NULL), \
+ OPT_BOOLEAN('\0', "no-dhcp", &(cfg)->no_dhcp, "Disable kernel DHCP\
+ in rootfs mode"), \
+ \
+ OPT_GROUP("BIOS options:"), \
+ OPT_INTEGER('\0', "vidmode", &vidmode, \
+ "Video mode"), \
+ \
+ OPT_GROUP("Debug options:"), \
+ OPT_BOOLEAN('\0', "debug", &do_debug_print, \
+ "Enable debug messages"), \
+ OPT_BOOLEAN('\0', "debug-single-step", &(cfg)->single_step, \
+ "Enable single stepping"), \
+ OPT_BOOLEAN('\0', "debug-ioport", &ioport_debug, \
+ "Enable ioport debugging"), \
+ OPT_BOOLEAN('\0', "debug-mmio", &mmio_debug, \
+ "Enable MMIO debugging"), \
+ OPT_INTEGER('\0', "debug-iodelay", &debug_iodelay, \
+ "Delay IO by millisecond"), \
+ OPT_END() \
+ };
/*
* Serialize debug printout so that the output of multiple vcpus does not
@@ -806,6 +816,7 @@ static const char *find_vmlinux(void)
void kvm_run_help(void)
{
+ BUILD_OPTIONS(options, &cfg);
usage_with_options(run_usage, options);
}
@@ -947,6 +958,7 @@ static int kvm_cmd_run_init(int argc, const char **argv)
unsigned int nr_online_cpus;
int max_cpus, recommended_cpus;
int i, r;
+ BUILD_OPTIONS(options, &cfg);
signal(SIGALRM, handle_sigalrm);
kvm_ipc__register_handler(KVM_IPC_DEBUG, handle_debug);
--
1.7.12
--
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