kvm tools: change the binary name from kvm to lkvm in print message

Introduce a new macro KVM_BINARY_NAME for the binary name of kvm tools,
also for future using in printing command messages like these.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

builtin-help.c

@@ -7,6 +7,7 @@
 #include <kvm/util.h>
 #include <kvm/kvm-cmd.h>
 #include <kvm/builtin-help.h>
+#include <kvm/kvm.h>
 
 
 const char kvm_usage_string[] =
@@ -25,7 +26,7 @@ static void list_common_cmds_help(void)
 			longest = strlen(common_cmds[i].name);
 	}
 
-	puts(" The most commonly used kvm commands are:");
+	puts(" The most commonly used lkvm commands are:");
 	for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
 		printf("   %-*s   ", longest, common_cmds[i].name);
 		puts(common_cmds[i].help);
@@ -34,8 +35,8 @@ static void list_common_cmds_help(void)
 
 static void kvm_help(void)
 {
-	printf("\n To start a simple non-privileged shell run 'kvm run'\n\n"
-		"usage: %s\n\n", kvm_usage_string);
+	printf("\n To start a simple non-privileged shell run '%s run'\n\n"
+		"usage: %s\n\n", KVM_BINARY_NAME, kvm_usage_string);
 	list_common_cmds_help();
 	printf("\n %s\n\n", kvm_more_info_string);
 }

builtin-run.c

@@ -641,7 +641,8 @@ static void kernel_usage_with_options(void)
 		fprintf(stderr, "\t%s\n", kernel);
 		k++;
 	}
-	fprintf(stderr, "\nPlease see 'kvm run --help' for more options.\n\n");
+	fprintf(stderr, "\nPlease see '%s run --help' for more options.\n\n",
+		KVM_BINARY_NAME);
 }
 
 static u64 host_ram_size(void)
@@ -1043,7 +1044,8 @@ int kvm_cmd_run(int argc, const char **argv, const char *prefix)
 		virtio_blk__init_all(kvm);
 	}
 
-	printf("  # kvm run -k %s -m %Lu -c %d --name %s\n", kernel_filename, ram_size / 1024 / 1024, nrcpus, guest_name);
+	printf("  # %s run -k %s -m %Lu -c %d --name %s\n", KVM_BINARY_NAME,
+		kernel_filename, ram_size / 1024 / 1024, nrcpus, guest_name);
 
 	if (!kvm__load_kernel(kvm, kernel_filename, initrd_filename,
 				real_cmdline, vidmode))

builtin-setup.c

@@ -46,9 +46,9 @@ static void parse_setup_options(int argc, const char **argv)
 
 void kvm_setup_help(void)
 {
-	printf("\nkvm setup creates a new rootfs under %s.\n"
-		"This can be used later by the '-d' parameter of 'kvm run'.\n",
-		kvm__get_dir());
+	printf("\n%s setup creates a new rootfs under %s.\n"
+		"This can be used later by the '-d' parameter of '%s run'.\n",
+		kvm__get_dir(), KVM_BINARY_NAME, KVM_BINARY_NAME);
 	usage_with_options(setup_usage, setup_options);
 }
 
@@ -221,8 +221,9 @@ int kvm_cmd_setup(int argc, const char **argv, const char *prefix)
 	if (r == 0)
 		printf("A new rootfs '%s' has been created in '%s%s'.\n\n"
 			"You can now start it by running the following command:\n\n"
-			"  kvm run -d %s\n",
-			instance_name, kvm__get_dir(), instance_name, instance_name);
+			"  %s run -d %s\n",
+			instance_name, kvm__get_dir(), instance_name,
+			KVM_BINARY_NAME,instance_name);
 	else
 		printf("Unable to create rootfs in %s%s: %s\n",
 			kvm__get_dir(), instance_name, strerror(errno));

include/kvm/kvm.h

@@ -13,6 +13,7 @@
 
 #define KVM_PID_FILE_PATH	"/.kvm-tools/"
 #define HOME_DIR		getenv("HOME")
+#define KVM_BINARY_NAME		"lkvm"
 
 #define PAGE_SIZE (sysconf(_SC_PAGE_SIZE))