target-ppc: Split model definitions out of translate_init.c

[qemu.git] / qemu-io.c

diff --git a/qemu-io.c b/qemu-io.c
index 5882067443a5a8c7cc2531255e0c277dbb05675e..7b3de4277345b73e0402640bcdef2a5103ffe9f0 100644 (file)
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -15,8 +15,8 @@
 #include <libgen.h>
 
 #include "qemu-common.h"
-#include "main-loop.h"
-#include "block_int.h"
+#include "qemu/main-loop.h"
+#include "block/block_int.h"
 #include "cmd.h"
 #include "trace/control.h"
 
@@ -265,6 +265,18 @@ static int do_co_write_zeroes(int64_t offset, int count, int *total)
     }
 }
 
+static int do_write_compressed(char *buf, int64_t offset, int count, int *total)
+{
+    int ret;
+
+    ret = bdrv_write_compressed(bs, offset >> 9, (uint8_t *)buf, count >> 9);
+    if (ret < 0) {
+        return ret;
+    }
+    *total = count;
+    return 1;
+}
+
 static int do_load_vmstate(char *buf, int64_t offset, int count, int *total)
 {
     *total = bdrv_load_vmstate(bs, (uint8_t *)buf, offset, count);
@@ -670,6 +682,7 @@ static int readv_f(int argc, char **argv)
     print_report("read", &t2, offset, qiov.size, total, cnt, Cflag);
 
 out:
+    qemu_iovec_destroy(&qiov);
     qemu_io_free(buf);
     return 0;
 }
@@ -686,6 +699,7 @@ static void write_help(void)
 " Writes into a segment of the currently open file, using a buffer\n"
 " filled with a set pattern (0xcdcdcdcd).\n"
 " -b, -- write to the VM state rather than the virtual disk\n"
+" -c, -- write compressed data with bdrv_write_compressed\n"
 " -p, -- use bdrv_pwrite to write the file\n"
 " -P, -- use different pattern to fill file\n"
 " -C, -- report statistics in a machine parsable format\n"
@@ -702,7 +716,7 @@ static const cmdinfo_t write_cmd = {
     .cfunc      = write_f,
     .argmin     = 2,
     .argmax     = -1,
-    .args       = "[-bCpqz] [-P pattern ] off len",
+    .args       = "[-bcCpqz] [-P pattern ] off len",
     .oneline    = "writes a number of bytes at a specified offset",
     .help       = write_help,
 };
@@ -711,6 +725,7 @@ static int write_f(int argc, char **argv)
 {
     struct timeval t1, t2;
     int Cflag = 0, pflag = 0, qflag = 0, bflag = 0, Pflag = 0, zflag = 0;
+    int cflag = 0;
     int c, cnt;
     char *buf = NULL;
     int64_t offset;
@@ -719,11 +734,14 @@ static int write_f(int argc, char **argv)
     int total = 0;
     int pattern = 0xcd;
 
-    while ((c = getopt(argc, argv, "bCpP:qz")) != EOF) {
+    while ((c = getopt(argc, argv, "bcCpP:qz")) != EOF) {
         switch (c) {
         case 'b':
             bflag = 1;
             break;
+        case 'c':
+            cflag = 1;
+            break;
         case 'C':
             Cflag = 1;
             break;
@@ -800,6 +818,8 @@ static int write_f(int argc, char **argv)
         cnt = do_save_vmstate(buf, offset, count, &total);
     } else if (zflag) {
         cnt = do_co_write_zeroes(offset, count, &total);
+    } else if (cflag) {
+        cnt = do_write_compressed(buf, offset, count, &total);
     } else {
         cnt = do_write(buf, offset, count, &total);
     }
@@ -928,6 +948,7 @@ static int writev_f(int argc, char **argv)
     t2 = tsub(t2, t1);
     print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag);
 out:
+    qemu_iovec_destroy(&qiov);
     qemu_io_free(buf);
     return 0;
 }
@@ -1126,6 +1147,7 @@ static void aio_write_done(void *opaque, int ret)
                  ctx->qiov.size, 1, ctx->Cflag);
 out:
     qemu_io_free(ctx->buf);
+    qemu_iovec_destroy(&ctx->qiov);
     g_free(ctx);
 }
 
@@ -1166,6 +1188,7 @@ static void aio_read_done(void *opaque, int ret)
                  ctx->qiov.size, 1, ctx->Cflag);
 out:
     qemu_io_free(ctx->buf);
+    qemu_iovec_destroy(&ctx->qiov);
     g_free(ctx);
 }
 
@@ -1358,7 +1381,7 @@ static int aio_write_f(int argc, char **argv)
 
 static int aio_flush_f(int argc, char **argv)
 {
-    qemu_aio_flush();
+    bdrv_drain_all();
     return 0;
 }
 
@@ -1648,6 +1671,78 @@ static const cmdinfo_t map_cmd = {
        .oneline        = "prints the allocated areas of a file",
 };
 
+static int break_f(int argc, char **argv)
+{
+    int ret;
+
+    ret = bdrv_debug_breakpoint(bs, argv[1], argv[2]);
+    if (ret < 0) {
+        printf("Could not set breakpoint: %s\n", strerror(-ret));
+    }
+
+    return 0;
+}
+
+static const cmdinfo_t break_cmd = {
+       .name           = "break",
+       .argmin         = 2,
+       .argmax         = 2,
+       .cfunc          = break_f,
+       .args           = "event tag",
+       .oneline        = "sets a breakpoint on event and tags the stopped "
+                         "request as tag",
+};
+
+static int resume_f(int argc, char **argv)
+{
+    int ret;
+
+    ret = bdrv_debug_resume(bs, argv[1]);
+    if (ret < 0) {
+        printf("Could not resume request: %s\n", strerror(-ret));
+    }
+
+    return 0;
+}
+
+static const cmdinfo_t resume_cmd = {
+       .name           = "resume",
+       .argmin         = 1,
+       .argmax         = 1,
+       .cfunc          = resume_f,
+       .args           = "tag",
+       .oneline        = "resumes the request tagged as tag",
+};
+
+static int wait_break_f(int argc, char **argv)
+{
+    while (!bdrv_debug_is_suspended(bs, argv[1])) {
+        qemu_aio_wait();
+    }
+
+    return 0;
+}
+
+static const cmdinfo_t wait_break_cmd = {
+       .name           = "wait_break",
+       .argmin         = 1,
+       .argmax         = 1,
+       .cfunc          = wait_break_f,
+       .args           = "tag",
+       .oneline        = "waits for the suspension of a request",
+};
+
+static int abort_f(int argc, char **argv)
+{
+    abort();
+}
+
+static const cmdinfo_t abort_cmd = {
+       .name           = "abort",
+       .cfunc          = abort_f,
+       .flags          = CMD_NOFILE_OK,
+       .oneline        = "simulate a program crash using abort(3)",
+};
 
 static int close_f(int argc, char **argv)
 {
@@ -1804,7 +1899,7 @@ int main(int argc, char **argv)
 {
     int readonly = 0;
     int growable = 0;
-    const char *sopt = "hVc:rsnmgkt:T:";
+    const char *sopt = "hVc:d:rsnmgkt:T:";
     const struct option lopt[] = {
         { "help", 0, NULL, 'h' },
         { "version", 0, NULL, 'V' },
@@ -1816,13 +1911,14 @@ int main(int argc, char **argv)
         { "misalign", 0, NULL, 'm' },
         { "growable", 0, NULL, 'g' },
         { "native-aio", 0, NULL, 'k' },
+        { "discard", 1, NULL, 'd' },
         { "cache", 1, NULL, 't' },
         { "trace", 1, NULL, 'T' },
         { NULL, 0, NULL, 0 }
     };
     int c;
     int opt_index = 0;
-    int flags = 0;
+    int flags = BDRV_O_UNMAP;
 
     progname = basename(argv[0]);
 
@@ -1834,6 +1930,12 @@ int main(int argc, char **argv)
         case 'n':
             flags |= BDRV_O_NOCACHE | BDRV_O_CACHE_WB;
             break;
+        case 'd':
+            if (bdrv_parse_discard_flags(optarg, &flags) < 0) {
+                error_report("Invalid discard option: %s", optarg);
+                exit(1);
+            }
+            break;
         case 'c':
             add_user_command(optarg);
             break;
@@ -1877,9 +1979,8 @@ int main(int argc, char **argv)
         exit(1);
     }
 
-    bdrv_init();
-
     qemu_init_main_loop();
+    bdrv_init();
 
     /* initialize commands */
     quit_init();
@@ -1901,6 +2002,10 @@ int main(int argc, char **argv)
     add_command(&discard_cmd);
     add_command(&alloc_cmd);
     add_command(&map_cmd);
+    add_command(&break_cmd);
+    add_command(&resume_cmd);
+    add_command(&wait_break_cmd);
+    add_command(&abort_cmd);
 
     add_args_command(init_args_command);
     add_check_command(init_check_command);