Revision 43642b38
| b/qemu-io.c | ||
|---|---|---|
| 20 | 20 |
|
| 21 | 21 |
#define VERSION "0.0.1" |
| 22 | 22 |
|
| 23 |
#define CMD_NOFILE_OK 0x01
|
|
| 23 |
#define CMD_NOFILE_OK 0x01
|
|
| 24 | 24 |
|
| 25 | 25 |
char *progname; |
| 26 | 26 |
static BlockDriverState *bs; |
| ... | ... | |
| 35 | 35 |
*/ |
| 36 | 36 |
static int parse_pattern(const char *arg) |
| 37 | 37 |
{
|
| 38 |
char *endptr = NULL;
|
|
| 39 |
long pattern;
|
|
| 38 |
char *endptr = NULL;
|
|
| 39 |
long pattern;
|
|
| 40 | 40 |
|
| 41 |
pattern = strtol(arg, &endptr, 0);
|
|
| 42 |
if (pattern < 0 || pattern > UCHAR_MAX || *endptr != '\0') {
|
|
| 43 |
printf("%s is not a valid pattern byte\n", arg);
|
|
| 44 |
return -1;
|
|
| 45 |
}
|
|
| 41 |
pattern = strtol(arg, &endptr, 0);
|
|
| 42 |
if (pattern < 0 || pattern > UCHAR_MAX || *endptr != '\0') {
|
|
| 43 |
printf("%s is not a valid pattern byte\n", arg);
|
|
| 44 |
return -1;
|
|
| 45 |
}
|
|
| 46 | 46 |
|
| 47 |
return pattern;
|
|
| 47 |
return pattern;
|
|
| 48 | 48 |
} |
| 49 | 49 |
|
| 50 | 50 |
/* |
| ... | ... | |
| 54 | 54 |
* that is specified on the command line. |
| 55 | 55 |
*/ |
| 56 | 56 |
|
| 57 |
#define MISALIGN_OFFSET 16
|
|
| 57 |
#define MISALIGN_OFFSET 16
|
|
| 58 | 58 |
static void *qemu_io_alloc(size_t len, int pattern) |
| 59 | 59 |
{
|
| 60 |
void *buf; |
|
| 61 |
|
|
| 62 |
if (misalign) |
|
| 63 |
len += MISALIGN_OFFSET; |
|
| 64 |
buf = qemu_blockalign(bs, len); |
|
| 65 |
memset(buf, pattern, len); |
|
| 66 |
if (misalign) |
|
| 67 |
buf += MISALIGN_OFFSET; |
|
| 68 |
return buf; |
|
| 60 |
void *buf; |
|
| 61 |
|
|
| 62 |
if (misalign) {
|
|
| 63 |
len += MISALIGN_OFFSET; |
|
| 64 |
} |
|
| 65 |
buf = qemu_blockalign(bs, len); |
|
| 66 |
memset(buf, pattern, len); |
|
| 67 |
if (misalign) {
|
|
| 68 |
buf += MISALIGN_OFFSET; |
|
| 69 |
} |
|
| 70 |
return buf; |
|
| 69 | 71 |
} |
| 70 | 72 |
|
| 71 | 73 |
static void qemu_io_free(void *p) |
| 72 | 74 |
{
|
| 73 |
if (misalign) |
|
| 74 |
p -= MISALIGN_OFFSET; |
|
| 75 |
qemu_vfree(p); |
|
| 75 |
if (misalign) {
|
|
| 76 |
p -= MISALIGN_OFFSET; |
|
| 77 |
} |
|
| 78 |
qemu_vfree(p); |
|
| 76 | 79 |
} |
| 77 | 80 |
|
| 78 |
static void |
|
| 79 |
dump_buffer(const void *buffer, int64_t offset, int len) |
|
| 81 |
static void dump_buffer(const void *buffer, int64_t offset, int len) |
|
| 80 | 82 |
{
|
| 81 |
int i, j; |
|
| 82 |
const uint8_t *p; |
|
| 83 |
|
|
| 84 |
for (i = 0, p = buffer; i < len; i += 16) {
|
|
| 85 |
const uint8_t *s = p; |
|
| 86 |
|
|
| 87 |
printf("%08" PRIx64 ": ", offset + i);
|
|
| 88 |
for (j = 0; j < 16 && i + j < len; j++, p++) |
|
| 89 |
printf("%02x ", *p);
|
|
| 90 |
printf(" ");
|
|
| 91 |
for (j = 0; j < 16 && i + j < len; j++, s++) {
|
|
| 92 |
if (isalnum(*s)) |
|
| 93 |
printf("%c", *s);
|
|
| 94 |
else |
|
| 95 |
printf(".");
|
|
| 96 |
} |
|
| 97 |
printf("\n");
|
|
| 98 |
} |
|
| 83 |
int i, j; |
|
| 84 |
const uint8_t *p; |
|
| 85 |
|
|
| 86 |
for (i = 0, p = buffer; i < len; i += 16) {
|
|
| 87 |
const uint8_t *s = p; |
|
| 88 |
|
|
| 89 |
printf("%08" PRIx64 ": ", offset + i);
|
|
| 90 |
for (j = 0; j < 16 && i + j < len; j++, p++) {
|
|
| 91 |
printf("%02x ", *p);
|
|
| 92 |
} |
|
| 93 |
printf(" ");
|
|
| 94 |
for (j = 0; j < 16 && i + j < len; j++, s++) {
|
|
| 95 |
if (isalnum(*s)) {
|
|
| 96 |
printf("%c", *s);
|
|
| 97 |
} else {
|
|
| 98 |
printf(".");
|
|
| 99 |
} |
|
| 100 |
} |
|
| 101 |
printf("\n");
|
|
| 102 |
} |
|
| 99 | 103 |
} |
| 100 | 104 |
|
| 101 |
static void |
|
| 102 |
print_report(const char *op, struct timeval *t, int64_t offset, |
|
| 103 |
int count, int total, int cnt, int Cflag) |
|
| 105 |
static void print_report(const char *op, struct timeval *t, int64_t offset, |
|
| 106 |
int count, int total, int cnt, int Cflag) |
|
| 104 | 107 |
{
|
| 105 |
char s1[64], s2[64], ts[64];
|
|
| 106 |
|
|
| 107 |
timestr(t, ts, sizeof(ts), Cflag ? VERBOSE_FIXED_TIME : 0);
|
|
| 108 |
if (!Cflag) {
|
|
| 109 |
cvtstr((double)total, s1, sizeof(s1));
|
|
| 110 |
cvtstr(tdiv((double)total, *t), s2, sizeof(s2));
|
|
| 111 |
printf("%s %d/%d bytes at offset %" PRId64 "\n",
|
|
| 112 |
op, total, count, offset);
|
|
| 113 |
printf("%s, %d ops; %s (%s/sec and %.4f ops/sec)\n",
|
|
| 114 |
s1, cnt, ts, s2, tdiv((double)cnt, *t));
|
|
| 115 |
} else {/* bytes,ops,time,bytes/sec,ops/sec */
|
|
| 116 |
printf("%d,%d,%s,%.3f,%.3f\n",
|
|
| 117 |
total, cnt, ts,
|
|
| 118 |
tdiv((double)total, *t),
|
|
| 119 |
tdiv((double)cnt, *t));
|
|
| 120 |
}
|
|
| 108 |
char s1[64], s2[64], ts[64];
|
|
| 109 |
|
|
| 110 |
timestr(t, ts, sizeof(ts), Cflag ? VERBOSE_FIXED_TIME : 0);
|
|
| 111 |
if (!Cflag) {
|
|
| 112 |
cvtstr((double)total, s1, sizeof(s1));
|
|
| 113 |
cvtstr(tdiv((double)total, *t), s2, sizeof(s2));
|
|
| 114 |
printf("%s %d/%d bytes at offset %" PRId64 "\n",
|
|
| 115 |
op, total, count, offset); |
|
| 116 |
printf("%s, %d ops; %s (%s/sec and %.4f ops/sec)\n",
|
|
| 117 |
s1, cnt, ts, s2, tdiv((double)cnt, *t));
|
|
| 118 |
} else {/* bytes,ops,time,bytes/sec,ops/sec */
|
|
| 119 |
printf("%d,%d,%s,%.3f,%.3f\n",
|
|
| 120 |
total, cnt, ts,
|
|
| 121 |
tdiv((double)total, *t),
|
|
| 122 |
tdiv((double)cnt, *t));
|
|
| 123 |
}
|
|
| 121 | 124 |
} |
| 122 | 125 |
|
| 123 | 126 |
/* |
| ... | ... | |
| 127 | 130 |
static void * |
| 128 | 131 |
create_iovec(QEMUIOVector *qiov, char **argv, int nr_iov, int pattern) |
| 129 | 132 |
{
|
| 130 |
size_t *sizes = calloc(nr_iov, sizeof(size_t));
|
|
| 131 |
size_t count = 0;
|
|
| 132 |
void *buf = NULL;
|
|
| 133 |
void *p;
|
|
| 134 |
int i;
|
|
| 135 |
|
|
| 136 |
for (i = 0; i < nr_iov; i++) {
|
|
| 137 |
char *arg = argv[i];
|
|
| 138 |
int64_t len;
|
|
| 139 |
|
|
| 140 |
len = cvtnum(arg);
|
|
| 141 |
if (len < 0) {
|
|
| 142 |
printf("non-numeric length argument -- %s\n", arg);
|
|
| 143 |
goto fail;
|
|
| 144 |
}
|
|
| 145 |
|
|
| 146 |
/* should be SIZE_T_MAX, but that doesn't exist */
|
|
| 147 |
if (len > INT_MAX) {
|
|
| 148 |
printf("too large length argument -- %s\n", arg);
|
|
| 149 |
goto fail;
|
|
| 150 |
}
|
|
| 151 |
|
|
| 152 |
if (len & 0x1ff) {
|
|
| 153 |
printf("length argument %" PRId64
|
|
| 154 |
" is not sector aligned\n", len);
|
|
| 155 |
goto fail;
|
|
| 156 |
}
|
|
| 157 |
|
|
| 158 |
sizes[i] = len;
|
|
| 159 |
count += len;
|
|
| 160 |
}
|
|
| 161 |
|
|
| 162 |
qemu_iovec_init(qiov, nr_iov);
|
|
| 163 |
|
|
| 164 |
buf = p = qemu_io_alloc(count, pattern);
|
|
| 165 |
|
|
| 166 |
for (i = 0; i < nr_iov; i++) {
|
|
| 167 |
qemu_iovec_add(qiov, p, sizes[i]);
|
|
| 168 |
p += sizes[i];
|
|
| 169 |
}
|
|
| 133 |
size_t *sizes = calloc(nr_iov, sizeof(size_t));
|
|
| 134 |
size_t count = 0;
|
|
| 135 |
void *buf = NULL;
|
|
| 136 |
void *p;
|
|
| 137 |
int i;
|
|
| 138 |
|
|
| 139 |
for (i = 0; i < nr_iov; i++) {
|
|
| 140 |
char *arg = argv[i];
|
|
| 141 |
int64_t len; |
|
| 142 |
|
|
| 143 |
len = cvtnum(arg);
|
|
| 144 |
if (len < 0) {
|
|
| 145 |
printf("non-numeric length argument -- %s\n", arg);
|
|
| 146 |
goto fail;
|
|
| 147 |
}
|
|
| 148 |
|
|
| 149 |
/* should be SIZE_T_MAX, but that doesn't exist */
|
|
| 150 |
if (len > INT_MAX) {
|
|
| 151 |
printf("too large length argument -- %s\n", arg);
|
|
| 152 |
goto fail;
|
|
| 153 |
}
|
|
| 154 |
|
|
| 155 |
if (len & 0x1ff) {
|
|
| 156 |
printf("length argument %" PRId64
|
|
| 157 |
" is not sector aligned\n", len); |
|
| 158 |
goto fail;
|
|
| 159 |
}
|
|
| 160 |
|
|
| 161 |
sizes[i] = len;
|
|
| 162 |
count += len;
|
|
| 163 |
}
|
|
| 164 |
|
|
| 165 |
qemu_iovec_init(qiov, nr_iov);
|
|
| 166 |
|
|
| 167 |
buf = p = qemu_io_alloc(count, pattern);
|
|
| 168 |
|
|
| 169 |
for (i = 0; i < nr_iov; i++) {
|
|
| 170 |
qemu_iovec_add(qiov, p, sizes[i]);
|
|
| 171 |
p += sizes[i];
|
|
| 172 |
}
|
|
| 170 | 173 |
|
| 171 | 174 |
fail: |
| 172 |
free(sizes);
|
|
| 173 |
return buf;
|
|
| 175 |
free(sizes);
|
|
| 176 |
return buf;
|
|
| 174 | 177 |
} |
| 175 | 178 |
|
| 176 | 179 |
static int do_read(char *buf, int64_t offset, int count, int *total) |
| 177 | 180 |
{
|
| 178 |
int ret;
|
|
| 181 |
int ret;
|
|
| 179 | 182 |
|
| 180 |
ret = bdrv_read(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
| 181 |
if (ret < 0) |
|
| 182 |
return ret; |
|
| 183 |
*total = count; |
|
| 184 |
return 1; |
|
| 183 |
ret = bdrv_read(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
| 184 |
if (ret < 0) {
|
|
| 185 |
return ret; |
|
| 186 |
} |
|
| 187 |
*total = count; |
|
| 188 |
return 1; |
|
| 185 | 189 |
} |
| 186 | 190 |
|
| 187 | 191 |
static int do_write(char *buf, int64_t offset, int count, int *total) |
| 188 | 192 |
{
|
| 189 |
int ret;
|
|
| 193 |
int ret;
|
|
| 190 | 194 |
|
| 191 |
ret = bdrv_write(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
| 192 |
if (ret < 0) |
|
| 193 |
return ret; |
|
| 194 |
*total = count; |
|
| 195 |
return 1; |
|
| 195 |
ret = bdrv_write(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
| 196 |
if (ret < 0) {
|
|
| 197 |
return ret; |
|
| 198 |
} |
|
| 199 |
*total = count; |
|
| 200 |
return 1; |
|
| 196 | 201 |
} |
| 197 | 202 |
|
| 198 | 203 |
static int do_pread(char *buf, int64_t offset, int count, int *total) |
| 199 | 204 |
{
|
| 200 |
*total = bdrv_pread(bs, offset, (uint8_t *)buf, count); |
|
| 201 |
if (*total < 0) |
|
| 202 |
return *total; |
|
| 203 |
return 1; |
|
| 205 |
*total = bdrv_pread(bs, offset, (uint8_t *)buf, count); |
|
| 206 |
if (*total < 0) {
|
|
| 207 |
return *total; |
|
| 208 |
} |
|
| 209 |
return 1; |
|
| 204 | 210 |
} |
| 205 | 211 |
|
| 206 | 212 |
static int do_pwrite(char *buf, int64_t offset, int count, int *total) |
| 207 | 213 |
{
|
| 208 |
*total = bdrv_pwrite(bs, offset, (uint8_t *)buf, count); |
|
| 209 |
if (*total < 0) |
|
| 210 |
return *total; |
|
| 211 |
return 1; |
|
| 214 |
*total = bdrv_pwrite(bs, offset, (uint8_t *)buf, count); |
|
| 215 |
if (*total < 0) {
|
|
| 216 |
return *total; |
|
| 217 |
} |
|
| 218 |
return 1; |
|
| 212 | 219 |
} |
| 213 | 220 |
|
| 214 | 221 |
static int do_load_vmstate(char *buf, int64_t offset, int count, int *total) |
| 215 | 222 |
{
|
| 216 |
*total = bdrv_load_vmstate(bs, (uint8_t *)buf, offset, count); |
|
| 217 |
if (*total < 0) |
|
| 218 |
return *total; |
|
| 219 |
return 1; |
|
| 223 |
*total = bdrv_load_vmstate(bs, (uint8_t *)buf, offset, count); |
|
| 224 |
if (*total < 0) {
|
|
| 225 |
return *total; |
|
| 226 |
} |
|
| 227 |
return 1; |
|
| 220 | 228 |
} |
| 221 | 229 |
|
| 222 | 230 |
static int do_save_vmstate(char *buf, int64_t offset, int count, int *total) |
| 223 | 231 |
{
|
| 224 |
*total = bdrv_save_vmstate(bs, (uint8_t *)buf, offset, count); |
|
| 225 |
if (*total < 0) |
|
| 226 |
return *total; |
|
| 227 |
return 1; |
|
| 232 |
*total = bdrv_save_vmstate(bs, (uint8_t *)buf, offset, count); |
|
| 233 |
if (*total < 0) {
|
|
| 234 |
return *total; |
|
| 235 |
} |
|
| 236 |
return 1; |
|
| 228 | 237 |
} |
| 229 | 238 |
|
| 230 | 239 |
#define NOT_DONE 0x7fffffff |
| 231 | 240 |
static void aio_rw_done(void *opaque, int ret) |
| 232 | 241 |
{
|
| 233 |
*(int *)opaque = ret;
|
|
| 242 |
*(int *)opaque = ret;
|
|
| 234 | 243 |
} |
| 235 | 244 |
|
| 236 | 245 |
static int do_aio_readv(QEMUIOVector *qiov, int64_t offset, int *total) |
| 237 | 246 |
{
|
| 238 |
BlockDriverAIOCB *acb;
|
|
| 239 |
int async_ret = NOT_DONE;
|
|
| 247 |
BlockDriverAIOCB *acb;
|
|
| 248 |
int async_ret = NOT_DONE;
|
|
| 240 | 249 |
|
| 241 |
acb = bdrv_aio_readv(bs, offset >> 9, qiov, qiov->size >> 9, |
|
| 242 |
aio_rw_done, &async_ret); |
|
| 243 |
if (!acb) |
|
| 244 |
return -EIO; |
|
| 245 |
|
|
| 246 |
while (async_ret == NOT_DONE) |
|
| 247 |
qemu_aio_wait(); |
|
| 250 |
acb = bdrv_aio_readv(bs, offset >> 9, qiov, qiov->size >> 9, |
|
| 251 |
aio_rw_done, &async_ret); |
|
| 252 |
if (!acb) {
|
|
| 253 |
return -EIO; |
|
| 254 |
} |
|
| 255 |
while (async_ret == NOT_DONE) {
|
|
| 256 |
qemu_aio_wait(); |
|
| 257 |
} |
|
| 248 | 258 |
|
| 249 |
*total = qiov->size;
|
|
| 250 |
return async_ret < 0 ? async_ret : 1;
|
|
| 259 |
*total = qiov->size;
|
|
| 260 |
return async_ret < 0 ? async_ret : 1;
|
|
| 251 | 261 |
} |
| 252 | 262 |
|
| 253 | 263 |
static int do_aio_writev(QEMUIOVector *qiov, int64_t offset, int *total) |
| 254 | 264 |
{
|
| 255 |
BlockDriverAIOCB *acb;
|
|
| 256 |
int async_ret = NOT_DONE;
|
|
| 265 |
BlockDriverAIOCB *acb;
|
|
| 266 |
int async_ret = NOT_DONE;
|
|
| 257 | 267 |
|
| 258 |
acb = bdrv_aio_writev(bs, offset >> 9, qiov, qiov->size >> 9, |
|
| 259 |
aio_rw_done, &async_ret); |
|
| 260 |
if (!acb) |
|
| 261 |
return -EIO; |
|
| 268 |
acb = bdrv_aio_writev(bs, offset >> 9, qiov, qiov->size >> 9, |
|
| 269 |
aio_rw_done, &async_ret); |
|
| 270 |
if (!acb) {
|
|
| 271 |
return -EIO; |
|
| 272 |
} |
|
| 262 | 273 |
|
| 263 |
while (async_ret == NOT_DONE) |
|
| 264 |
qemu_aio_wait(); |
|
| 274 |
while (async_ret == NOT_DONE) {
|
|
| 275 |
qemu_aio_wait(); |
|
| 276 |
} |
|
| 265 | 277 |
|
| 266 |
*total = qiov->size;
|
|
| 267 |
return async_ret < 0 ? async_ret : 1;
|
|
| 278 |
*total = qiov->size;
|
|
| 279 |
return async_ret < 0 ? async_ret : 1;
|
|
| 268 | 280 |
} |
| 269 | 281 |
|
| 270 | 282 |
struct multiwrite_async_ret {
|
| 271 |
int num_done;
|
|
| 272 |
int error;
|
|
| 283 |
int num_done;
|
|
| 284 |
int error;
|
|
| 273 | 285 |
}; |
| 274 | 286 |
|
| 275 | 287 |
static void multiwrite_cb(void *opaque, int ret) |
| 276 | 288 |
{
|
| 277 |
struct multiwrite_async_ret *async_ret = opaque;
|
|
| 289 |
struct multiwrite_async_ret *async_ret = opaque;
|
|
| 278 | 290 |
|
| 279 |
async_ret->num_done++;
|
|
| 280 |
if (ret < 0) {
|
|
| 281 |
async_ret->error = ret;
|
|
| 282 |
}
|
|
| 291 |
async_ret->num_done++;
|
|
| 292 |
if (ret < 0) {
|
|
| 293 |
async_ret->error = ret;
|
|
| 294 |
}
|
|
| 283 | 295 |
} |
| 284 | 296 |
|
| 285 | 297 |
static int do_aio_multiwrite(BlockRequest* reqs, int num_reqs, int *total) |
| 286 | 298 |
{
|
| 287 |
int i, ret;
|
|
| 288 |
struct multiwrite_async_ret async_ret = {
|
|
| 289 |
.num_done = 0,
|
|
| 290 |
.error = 0,
|
|
| 291 |
};
|
|
| 292 |
|
|
| 293 |
*total = 0;
|
|
| 294 |
for (i = 0; i < num_reqs; i++) {
|
|
| 295 |
reqs[i].cb = multiwrite_cb;
|
|
| 296 |
reqs[i].opaque = &async_ret;
|
|
| 297 |
*total += reqs[i].qiov->size;
|
|
| 298 |
}
|
|
| 299 |
|
|
| 300 |
ret = bdrv_aio_multiwrite(bs, reqs, num_reqs);
|
|
| 301 |
if (ret < 0) {
|
|
| 302 |
return ret;
|
|
| 303 |
}
|
|
| 304 |
|
|
| 305 |
while (async_ret.num_done < num_reqs) {
|
|
| 306 |
qemu_aio_wait();
|
|
| 307 |
}
|
|
| 308 |
|
|
| 309 |
return async_ret.error < 0 ? async_ret.error : 1;
|
|
| 299 |
int i, ret;
|
|
| 300 |
struct multiwrite_async_ret async_ret = {
|
|
| 301 |
.num_done = 0,
|
|
| 302 |
.error = 0,
|
|
| 303 |
};
|
|
| 304 |
|
|
| 305 |
*total = 0;
|
|
| 306 |
for (i = 0; i < num_reqs; i++) {
|
|
| 307 |
reqs[i].cb = multiwrite_cb;
|
|
| 308 |
reqs[i].opaque = &async_ret;
|
|
| 309 |
*total += reqs[i].qiov->size;
|
|
| 310 |
}
|
|
| 311 |
|
|
| 312 |
ret = bdrv_aio_multiwrite(bs, reqs, num_reqs);
|
|
| 313 |
if (ret < 0) {
|
|
| 314 |
return ret;
|
|
| 315 |
}
|
|
| 316 |
|
|
| 317 |
while (async_ret.num_done < num_reqs) {
|
|
| 318 |
qemu_aio_wait();
|
|
| 319 |
}
|
|
| 320 |
|
|
| 321 |
return async_ret.error < 0 ? async_ret.error : 1;
|
|
| 310 | 322 |
} |
| 311 | 323 |
|
| 312 |
static void |
|
| 313 |
read_help(void) |
|
| 324 |
static void read_help(void) |
|
| 314 | 325 |
{
|
| 315 |
printf(
|
|
| 326 |
printf(
|
|
| 316 | 327 |
"\n" |
| 317 | 328 |
" reads a range of bytes from the given offset\n" |
| 318 | 329 |
"\n" |
| ... | ... | |
| 335 | 346 |
static int read_f(int argc, char **argv); |
| 336 | 347 |
|
| 337 | 348 |
static const cmdinfo_t read_cmd = {
|
| 338 |
.name = "read",
|
|
| 339 |
.altname = "r",
|
|
| 340 |
.cfunc = read_f,
|
|
| 341 |
.argmin = 2,
|
|
| 342 |
.argmax = -1,
|
|
| 343 |
.args = "[-abCpqv] [-P pattern [-s off] [-l len]] off len",
|
|
| 344 |
.oneline = "reads a number of bytes at a specified offset",
|
|
| 345 |
.help = read_help,
|
|
| 349 |
.name = "read",
|
|
| 350 |
.altname = "r",
|
|
| 351 |
.cfunc = read_f,
|
|
| 352 |
.argmin = 2,
|
|
| 353 |
.argmax = -1,
|
|
| 354 |
.args = "[-abCpqv] [-P pattern [-s off] [-l len]] off len",
|
|
| 355 |
.oneline = "reads a number of bytes at a specified offset",
|
|
| 356 |
.help = read_help,
|
|
| 346 | 357 |
}; |
| 347 | 358 |
|
| 348 |
static int |
|
| 349 |
read_f(int argc, char **argv) |
|
| 359 |
static int read_f(int argc, char **argv) |
|
| 350 | 360 |
{
|
| 351 |
struct timeval t1, t2; |
|
| 352 |
int Cflag = 0, pflag = 0, qflag = 0, vflag = 0; |
|
| 353 |
int Pflag = 0, sflag = 0, lflag = 0, bflag = 0; |
|
| 354 |
int c, cnt; |
|
| 355 |
char *buf; |
|
| 356 |
int64_t offset; |
|
| 357 |
int count; |
|
| 358 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 359 |
int total = 0; |
|
| 360 |
int pattern = 0, pattern_offset = 0, pattern_count = 0; |
|
| 361 |
|
|
| 362 |
while ((c = getopt(argc, argv, "bCl:pP:qs:v")) != EOF) {
|
|
| 363 |
switch (c) {
|
|
| 364 |
case 'b': |
|
| 365 |
bflag = 1; |
|
| 366 |
break; |
|
| 367 |
case 'C': |
|
| 368 |
Cflag = 1; |
|
| 369 |
break; |
|
| 370 |
case 'l': |
|
| 371 |
lflag = 1; |
|
| 372 |
pattern_count = cvtnum(optarg); |
|
| 373 |
if (pattern_count < 0) {
|
|
| 374 |
printf("non-numeric length argument -- %s\n", optarg);
|
|
| 375 |
return 0; |
|
| 376 |
} |
|
| 377 |
break; |
|
| 378 |
case 'p': |
|
| 379 |
pflag = 1; |
|
| 380 |
break; |
|
| 381 |
case 'P': |
|
| 382 |
Pflag = 1; |
|
| 383 |
pattern = parse_pattern(optarg); |
|
| 384 |
if (pattern < 0) |
|
| 385 |
return 0; |
|
| 386 |
break; |
|
| 387 |
case 'q': |
|
| 388 |
qflag = 1; |
|
| 389 |
break; |
|
| 390 |
case 's': |
|
| 391 |
sflag = 1; |
|
| 392 |
pattern_offset = cvtnum(optarg); |
|
| 393 |
if (pattern_offset < 0) {
|
|
| 394 |
printf("non-numeric length argument -- %s\n", optarg);
|
|
| 395 |
return 0; |
|
| 396 |
} |
|
| 397 |
break; |
|
| 398 |
case 'v': |
|
| 399 |
vflag = 1; |
|
| 400 |
break; |
|
| 401 |
default: |
|
| 402 |
return command_usage(&read_cmd); |
|
| 403 |
} |
|
| 404 |
} |
|
| 405 |
|
|
| 406 |
if (optind != argc - 2) |
|
| 407 |
return command_usage(&read_cmd); |
|
| 408 |
|
|
| 409 |
if (bflag && pflag) {
|
|
| 410 |
printf("-b and -p cannot be specified at the same time\n");
|
|
| 411 |
return 0; |
|
| 412 |
} |
|
| 413 |
|
|
| 414 |
offset = cvtnum(argv[optind]); |
|
| 415 |
if (offset < 0) {
|
|
| 416 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 417 |
return 0; |
|
| 418 |
} |
|
| 419 |
|
|
| 420 |
optind++; |
|
| 421 |
count = cvtnum(argv[optind]); |
|
| 422 |
if (count < 0) {
|
|
| 423 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 424 |
return 0; |
|
| 425 |
} |
|
| 361 |
struct timeval t1, t2; |
|
| 362 |
int Cflag = 0, pflag = 0, qflag = 0, vflag = 0; |
|
| 363 |
int Pflag = 0, sflag = 0, lflag = 0, bflag = 0; |
|
| 364 |
int c, cnt; |
|
| 365 |
char *buf; |
|
| 366 |
int64_t offset; |
|
| 367 |
int count; |
|
| 368 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 369 |
int total = 0; |
|
| 370 |
int pattern = 0, pattern_offset = 0, pattern_count = 0; |
|
| 371 |
|
|
| 372 |
while ((c = getopt(argc, argv, "bCl:pP:qs:v")) != EOF) {
|
|
| 373 |
switch (c) {
|
|
| 374 |
case 'b': |
|
| 375 |
bflag = 1; |
|
| 376 |
break; |
|
| 377 |
case 'C': |
|
| 378 |
Cflag = 1; |
|
| 379 |
break; |
|
| 380 |
case 'l': |
|
| 381 |
lflag = 1; |
|
| 382 |
pattern_count = cvtnum(optarg); |
|
| 383 |
if (pattern_count < 0) {
|
|
| 384 |
printf("non-numeric length argument -- %s\n", optarg);
|
|
| 385 |
return 0; |
|
| 386 |
} |
|
| 387 |
break; |
|
| 388 |
case 'p': |
|
| 389 |
pflag = 1; |
|
| 390 |
break; |
|
| 391 |
case 'P': |
|
| 392 |
Pflag = 1; |
|
| 393 |
pattern = parse_pattern(optarg); |
|
| 394 |
if (pattern < 0) {
|
|
| 395 |
return 0; |
|
| 396 |
} |
|
| 397 |
break; |
|
| 398 |
case 'q': |
|
| 399 |
qflag = 1; |
|
| 400 |
break; |
|
| 401 |
case 's': |
|
| 402 |
sflag = 1; |
|
| 403 |
pattern_offset = cvtnum(optarg); |
|
| 404 |
if (pattern_offset < 0) {
|
|
| 405 |
printf("non-numeric length argument -- %s\n", optarg);
|
|
| 406 |
return 0; |
|
| 407 |
} |
|
| 408 |
break; |
|
| 409 |
case 'v': |
|
| 410 |
vflag = 1; |
|
| 411 |
break; |
|
| 412 |
default: |
|
| 413 |
return command_usage(&read_cmd); |
|
| 414 |
} |
|
| 415 |
} |
|
| 416 |
|
|
| 417 |
if (optind != argc - 2) {
|
|
| 418 |
return command_usage(&read_cmd); |
|
| 419 |
} |
|
| 420 |
|
|
| 421 |
if (bflag && pflag) {
|
|
| 422 |
printf("-b and -p cannot be specified at the same time\n");
|
|
| 423 |
return 0; |
|
| 424 |
} |
|
| 425 |
|
|
| 426 |
offset = cvtnum(argv[optind]); |
|
| 427 |
if (offset < 0) {
|
|
| 428 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 429 |
return 0; |
|
| 430 |
} |
|
| 431 |
|
|
| 432 |
optind++; |
|
| 433 |
count = cvtnum(argv[optind]); |
|
| 434 |
if (count < 0) {
|
|
| 435 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 436 |
return 0; |
|
| 437 |
} |
|
| 426 | 438 |
|
| 427 | 439 |
if (!Pflag && (lflag || sflag)) {
|
| 428 | 440 |
return command_usage(&read_cmd); |
| ... | ... | |
| 437 | 449 |
return 0; |
| 438 | 450 |
} |
| 439 | 451 |
|
| 440 |
if (!pflag) |
|
| 441 |
if (offset & 0x1ff) {
|
|
| 442 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 443 |
offset); |
|
| 444 |
return 0; |
|
| 445 |
|
|
| 446 |
if (count & 0x1ff) {
|
|
| 447 |
printf("count %d is not sector aligned\n",
|
|
| 448 |
count); |
|
| 449 |
return 0; |
|
| 450 |
} |
|
| 451 |
} |
|
| 452 |
|
|
| 453 |
buf = qemu_io_alloc(count, 0xab); |
|
| 454 |
|
|
| 455 |
gettimeofday(&t1, NULL); |
|
| 456 |
if (pflag) |
|
| 457 |
cnt = do_pread(buf, offset, count, &total); |
|
| 458 |
else if (bflag) |
|
| 459 |
cnt = do_load_vmstate(buf, offset, count, &total); |
|
| 460 |
else |
|
| 461 |
cnt = do_read(buf, offset, count, &total); |
|
| 462 |
gettimeofday(&t2, NULL); |
|
| 463 |
|
|
| 464 |
if (cnt < 0) {
|
|
| 465 |
printf("read failed: %s\n", strerror(-cnt));
|
|
| 466 |
goto out; |
|
| 467 |
} |
|
| 468 |
|
|
| 469 |
if (Pflag) {
|
|
| 470 |
void* cmp_buf = malloc(pattern_count); |
|
| 471 |
memset(cmp_buf, pattern, pattern_count); |
|
| 472 |
if (memcmp(buf + pattern_offset, cmp_buf, pattern_count)) {
|
|
| 473 |
printf("Pattern verification failed at offset %"
|
|
| 474 |
PRId64 ", %d bytes\n", |
|
| 475 |
offset + pattern_offset, pattern_count); |
|
| 476 |
} |
|
| 477 |
free(cmp_buf); |
|
| 478 |
} |
|
| 479 |
|
|
| 480 |
if (qflag) |
|
| 481 |
goto out; |
|
| 482 |
|
|
| 483 |
if (vflag) |
|
| 484 |
dump_buffer(buf, offset, count); |
|
| 485 |
|
|
| 486 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 487 |
t2 = tsub(t2, t1); |
|
| 488 |
print_report("read", &t2, offset, count, total, cnt, Cflag);
|
|
| 452 |
if (!pflag) |
|
| 453 |
if (offset & 0x1ff) {
|
|
| 454 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 455 |
offset); |
|
| 456 |
return 0; |
|
| 457 |
} |
|
| 458 |
if (count & 0x1ff) {
|
|
| 459 |
printf("count %d is not sector aligned\n",
|
|
| 460 |
count); |
|
| 461 |
return 0; |
|
| 462 |
} |
|
| 463 |
|
|
| 464 |
buf = qemu_io_alloc(count, 0xab); |
|
| 465 |
|
|
| 466 |
gettimeofday(&t1, NULL); |
|
| 467 |
if (pflag) {
|
|
| 468 |
cnt = do_pread(buf, offset, count, &total); |
|
| 469 |
} else if (bflag) {
|
|
| 470 |
cnt = do_load_vmstate(buf, offset, count, &total); |
|
| 471 |
} else {
|
|
| 472 |
cnt = do_read(buf, offset, count, &total); |
|
| 473 |
} |
|
| 474 |
gettimeofday(&t2, NULL); |
|
| 475 |
|
|
| 476 |
if (cnt < 0) {
|
|
| 477 |
printf("read failed: %s\n", strerror(-cnt));
|
|
| 478 |
goto out; |
|
| 479 |
} |
|
| 480 |
|
|
| 481 |
if (Pflag) {
|
|
| 482 |
void *cmp_buf = malloc(pattern_count); |
|
| 483 |
memset(cmp_buf, pattern, pattern_count); |
|
| 484 |
if (memcmp(buf + pattern_offset, cmp_buf, pattern_count)) {
|
|
| 485 |
printf("Pattern verification failed at offset %"
|
|
| 486 |
PRId64 ", %d bytes\n", |
|
| 487 |
offset + pattern_offset, pattern_count); |
|
| 488 |
} |
|
| 489 |
free(cmp_buf); |
|
| 490 |
} |
|
| 491 |
|
|
| 492 |
if (qflag) {
|
|
| 493 |
goto out; |
|
| 494 |
} |
|
| 495 |
|
|
| 496 |
if (vflag) {
|
|
| 497 |
dump_buffer(buf, offset, count); |
|
| 498 |
} |
|
| 499 |
|
|
| 500 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 501 |
t2 = tsub(t2, t1); |
|
| 502 |
print_report("read", &t2, offset, count, total, cnt, Cflag);
|
|
| 489 | 503 |
|
| 490 | 504 |
out: |
| 491 |
qemu_io_free(buf);
|
|
| 505 |
qemu_io_free(buf);
|
|
| 492 | 506 |
|
| 493 |
return 0;
|
|
| 507 |
return 0;
|
|
| 494 | 508 |
} |
| 495 | 509 |
|
| 496 |
static void |
|
| 497 |
readv_help(void) |
|
| 510 |
static void readv_help(void) |
|
| 498 | 511 |
{
|
| 499 |
printf(
|
|
| 512 |
printf(
|
|
| 500 | 513 |
"\n" |
| 501 | 514 |
" reads a range of bytes from the given offset into multiple buffers\n" |
| 502 | 515 |
"\n" |
| ... | ... | |
| 516 | 529 |
static int readv_f(int argc, char **argv); |
| 517 | 530 |
|
| 518 | 531 |
static const cmdinfo_t readv_cmd = {
|
| 519 |
.name = "readv",
|
|
| 520 |
.cfunc = readv_f,
|
|
| 521 |
.argmin = 2,
|
|
| 522 |
.argmax = -1,
|
|
| 523 |
.args = "[-Cqv] [-P pattern ] off len [len..]",
|
|
| 524 |
.oneline = "reads a number of bytes at a specified offset",
|
|
| 525 |
.help = readv_help,
|
|
| 532 |
.name = "readv",
|
|
| 533 |
.cfunc = readv_f,
|
|
| 534 |
.argmin = 2,
|
|
| 535 |
.argmax = -1,
|
|
| 536 |
.args = "[-Cqv] [-P pattern ] off len [len..]",
|
|
| 537 |
.oneline = "reads a number of bytes at a specified offset",
|
|
| 538 |
.help = readv_help,
|
|
| 526 | 539 |
}; |
| 527 | 540 |
|
| 528 |
static int |
|
| 529 |
readv_f(int argc, char **argv) |
|
| 541 |
static int readv_f(int argc, char **argv) |
|
| 530 | 542 |
{
|
| 531 |
struct timeval t1, t2; |
|
| 532 |
int Cflag = 0, qflag = 0, vflag = 0; |
|
| 533 |
int c, cnt; |
|
| 534 |
char *buf; |
|
| 535 |
int64_t offset; |
|
| 536 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 537 |
int total = 0; |
|
| 538 |
int nr_iov; |
|
| 539 |
QEMUIOVector qiov; |
|
| 540 |
int pattern = 0; |
|
| 541 |
int Pflag = 0; |
|
| 542 |
|
|
| 543 |
while ((c = getopt(argc, argv, "CP:qv")) != EOF) {
|
|
| 544 |
switch (c) {
|
|
| 545 |
case 'C': |
|
| 546 |
Cflag = 1; |
|
| 547 |
break; |
|
| 548 |
case 'P': |
|
| 549 |
Pflag = 1; |
|
| 550 |
pattern = parse_pattern(optarg); |
|
| 551 |
if (pattern < 0) |
|
| 552 |
return 0; |
|
| 553 |
break; |
|
| 554 |
case 'q': |
|
| 555 |
qflag = 1; |
|
| 556 |
break; |
|
| 557 |
case 'v': |
|
| 558 |
vflag = 1; |
|
| 559 |
break; |
|
| 560 |
default: |
|
| 561 |
return command_usage(&readv_cmd); |
|
| 562 |
} |
|
| 563 |
} |
|
| 564 |
|
|
| 565 |
if (optind > argc - 2) |
|
| 566 |
return command_usage(&readv_cmd); |
|
| 567 |
|
|
| 568 |
|
|
| 569 |
offset = cvtnum(argv[optind]); |
|
| 570 |
if (offset < 0) {
|
|
| 571 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 572 |
return 0; |
|
| 573 |
} |
|
| 574 |
optind++; |
|
| 575 |
|
|
| 576 |
if (offset & 0x1ff) {
|
|
| 577 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 578 |
offset); |
|
| 579 |
return 0; |
|
| 580 |
} |
|
| 581 |
|
|
| 582 |
nr_iov = argc - optind; |
|
| 583 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, 0xab); |
|
| 584 |
|
|
| 585 |
gettimeofday(&t1, NULL); |
|
| 586 |
cnt = do_aio_readv(&qiov, offset, &total); |
|
| 587 |
gettimeofday(&t2, NULL); |
|
| 588 |
|
|
| 589 |
if (cnt < 0) {
|
|
| 590 |
printf("readv failed: %s\n", strerror(-cnt));
|
|
| 591 |
goto out; |
|
| 592 |
} |
|
| 593 |
|
|
| 594 |
if (Pflag) {
|
|
| 595 |
void* cmp_buf = malloc(qiov.size); |
|
| 596 |
memset(cmp_buf, pattern, qiov.size); |
|
| 597 |
if (memcmp(buf, cmp_buf, qiov.size)) {
|
|
| 598 |
printf("Pattern verification failed at offset %"
|
|
| 599 |
PRId64 ", %zd bytes\n", |
|
| 600 |
offset, qiov.size); |
|
| 601 |
} |
|
| 602 |
free(cmp_buf); |
|
| 603 |
} |
|
| 604 |
|
|
| 605 |
if (qflag) |
|
| 606 |
goto out; |
|
| 607 |
|
|
| 608 |
if (vflag) |
|
| 609 |
dump_buffer(buf, offset, qiov.size); |
|
| 610 |
|
|
| 611 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 612 |
t2 = tsub(t2, t1); |
|
| 613 |
print_report("read", &t2, offset, qiov.size, total, cnt, Cflag);
|
|
| 543 |
struct timeval t1, t2; |
|
| 544 |
int Cflag = 0, qflag = 0, vflag = 0; |
|
| 545 |
int c, cnt; |
|
| 546 |
char *buf; |
|
| 547 |
int64_t offset; |
|
| 548 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 549 |
int total = 0; |
|
| 550 |
int nr_iov; |
|
| 551 |
QEMUIOVector qiov; |
|
| 552 |
int pattern = 0; |
|
| 553 |
int Pflag = 0; |
|
| 554 |
|
|
| 555 |
while ((c = getopt(argc, argv, "CP:qv")) != EOF) {
|
|
| 556 |
switch (c) {
|
|
| 557 |
case 'C': |
|
| 558 |
Cflag = 1; |
|
| 559 |
break; |
|
| 560 |
case 'P': |
|
| 561 |
Pflag = 1; |
|
| 562 |
pattern = parse_pattern(optarg); |
|
| 563 |
if (pattern < 0) {
|
|
| 564 |
return 0; |
|
| 565 |
} |
|
| 566 |
break; |
|
| 567 |
case 'q': |
|
| 568 |
qflag = 1; |
|
| 569 |
break; |
|
| 570 |
case 'v': |
|
| 571 |
vflag = 1; |
|
| 572 |
break; |
|
| 573 |
default: |
|
| 574 |
return command_usage(&readv_cmd); |
|
| 575 |
} |
|
| 576 |
} |
|
| 577 |
|
|
| 578 |
if (optind > argc - 2) {
|
|
| 579 |
return command_usage(&readv_cmd); |
|
| 580 |
} |
|
| 581 |
|
|
| 582 |
|
|
| 583 |
offset = cvtnum(argv[optind]); |
|
| 584 |
if (offset < 0) {
|
|
| 585 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 586 |
return 0; |
|
| 587 |
} |
|
| 588 |
optind++; |
|
| 589 |
|
|
| 590 |
if (offset & 0x1ff) {
|
|
| 591 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 592 |
offset); |
|
| 593 |
return 0; |
|
| 594 |
} |
|
| 595 |
|
|
| 596 |
nr_iov = argc - optind; |
|
| 597 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, 0xab); |
|
| 598 |
|
|
| 599 |
gettimeofday(&t1, NULL); |
|
| 600 |
cnt = do_aio_readv(&qiov, offset, &total); |
|
| 601 |
gettimeofday(&t2, NULL); |
|
| 602 |
|
|
| 603 |
if (cnt < 0) {
|
|
| 604 |
printf("readv failed: %s\n", strerror(-cnt));
|
|
| 605 |
goto out; |
|
| 606 |
} |
|
| 607 |
|
|
| 608 |
if (Pflag) {
|
|
| 609 |
void *cmp_buf = malloc(qiov.size); |
|
| 610 |
memset(cmp_buf, pattern, qiov.size); |
|
| 611 |
if (memcmp(buf, cmp_buf, qiov.size)) {
|
|
| 612 |
printf("Pattern verification failed at offset %"
|
|
| 613 |
PRId64 ", %zd bytes\n", offset, qiov.size); |
|
| 614 |
} |
|
| 615 |
free(cmp_buf); |
|
| 616 |
} |
|
| 617 |
|
|
| 618 |
if (qflag) {
|
|
| 619 |
goto out; |
|
| 620 |
} |
|
| 621 |
|
|
| 622 |
if (vflag) {
|
|
| 623 |
dump_buffer(buf, offset, qiov.size); |
|
| 624 |
} |
|
| 625 |
|
|
| 626 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 627 |
t2 = tsub(t2, t1); |
|
| 628 |
print_report("read", &t2, offset, qiov.size, total, cnt, Cflag);
|
|
| 614 | 629 |
|
| 615 | 630 |
out: |
| 616 |
qemu_io_free(buf);
|
|
| 617 |
return 0;
|
|
| 631 |
qemu_io_free(buf);
|
|
| 632 |
return 0;
|
|
| 618 | 633 |
} |
| 619 | 634 |
|
| 620 |
static void |
|
| 621 |
write_help(void) |
|
| 635 |
static void write_help(void) |
|
| 622 | 636 |
{
|
| 623 |
printf(
|
|
| 637 |
printf(
|
|
| 624 | 638 |
"\n" |
| 625 | 639 |
" writes a range of bytes from the given offset\n" |
| 626 | 640 |
"\n" |
| ... | ... | |
| 640 | 654 |
static int write_f(int argc, char **argv); |
| 641 | 655 |
|
| 642 | 656 |
static const cmdinfo_t write_cmd = {
|
| 643 |
.name = "write",
|
|
| 644 |
.altname = "w",
|
|
| 645 |
.cfunc = write_f,
|
|
| 646 |
.argmin = 2,
|
|
| 647 |
.argmax = -1,
|
|
| 648 |
.args = "[-abCpq] [-P pattern ] off len",
|
|
| 649 |
.oneline = "writes a number of bytes at a specified offset",
|
|
| 650 |
.help = write_help,
|
|
| 657 |
.name = "write",
|
|
| 658 |
.altname = "w",
|
|
| 659 |
.cfunc = write_f,
|
|
| 660 |
.argmin = 2,
|
|
| 661 |
.argmax = -1,
|
|
| 662 |
.args = "[-abCpq] [-P pattern ] off len",
|
|
| 663 |
.oneline = "writes a number of bytes at a specified offset",
|
|
| 664 |
.help = write_help,
|
|
| 651 | 665 |
}; |
| 652 | 666 |
|
| 653 |
static int |
|
| 654 |
write_f(int argc, char **argv) |
|
| 667 |
static int write_f(int argc, char **argv) |
|
| 655 | 668 |
{
|
| 656 |
struct timeval t1, t2; |
|
| 657 |
int Cflag = 0, pflag = 0, qflag = 0, bflag = 0; |
|
| 658 |
int c, cnt; |
|
| 659 |
char *buf; |
|
| 660 |
int64_t offset; |
|
| 661 |
int count; |
|
| 662 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 663 |
int total = 0; |
|
| 664 |
int pattern = 0xcd; |
|
| 665 |
|
|
| 666 |
while ((c = getopt(argc, argv, "bCpP:q")) != EOF) {
|
|
| 667 |
switch (c) {
|
|
| 668 |
case 'b': |
|
| 669 |
bflag = 1; |
|
| 670 |
break; |
|
| 671 |
case 'C': |
|
| 672 |
Cflag = 1; |
|
| 673 |
break; |
|
| 674 |
case 'p': |
|
| 675 |
pflag = 1; |
|
| 676 |
break; |
|
| 677 |
case 'P': |
|
| 678 |
pattern = parse_pattern(optarg); |
|
| 679 |
if (pattern < 0) |
|
| 680 |
return 0; |
|
| 681 |
break; |
|
| 682 |
case 'q': |
|
| 683 |
qflag = 1; |
|
| 684 |
break; |
|
| 685 |
default: |
|
| 686 |
return command_usage(&write_cmd); |
|
| 687 |
} |
|
| 688 |
} |
|
| 689 |
|
|
| 690 |
if (optind != argc - 2) |
|
| 691 |
return command_usage(&write_cmd); |
|
| 692 |
|
|
| 693 |
if (bflag && pflag) {
|
|
| 694 |
printf("-b and -p cannot be specified at the same time\n");
|
|
| 695 |
return 0; |
|
| 696 |
} |
|
| 697 |
|
|
| 698 |
offset = cvtnum(argv[optind]); |
|
| 699 |
if (offset < 0) {
|
|
| 700 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 701 |
return 0; |
|
| 702 |
} |
|
| 703 |
|
|
| 704 |
optind++; |
|
| 705 |
count = cvtnum(argv[optind]); |
|
| 706 |
if (count < 0) {
|
|
| 707 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 708 |
return 0; |
|
| 709 |
} |
|
| 710 |
|
|
| 711 |
if (!pflag) {
|
|
| 712 |
if (offset & 0x1ff) {
|
|
| 713 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 714 |
offset); |
|
| 715 |
return 0; |
|
| 716 |
} |
|
| 717 |
|
|
| 718 |
if (count & 0x1ff) {
|
|
| 719 |
printf("count %d is not sector aligned\n",
|
|
| 720 |
count); |
|
| 721 |
return 0; |
|
| 722 |
} |
|
| 723 |
} |
|
| 724 |
|
|
| 725 |
buf = qemu_io_alloc(count, pattern); |
|
| 726 |
|
|
| 727 |
gettimeofday(&t1, NULL); |
|
| 728 |
if (pflag) |
|
| 729 |
cnt = do_pwrite(buf, offset, count, &total); |
|
| 730 |
else if (bflag) |
|
| 731 |
cnt = do_save_vmstate(buf, offset, count, &total); |
|
| 732 |
else |
|
| 733 |
cnt = do_write(buf, offset, count, &total); |
|
| 734 |
gettimeofday(&t2, NULL); |
|
| 735 |
|
|
| 736 |
if (cnt < 0) {
|
|
| 737 |
printf("write failed: %s\n", strerror(-cnt));
|
|
| 738 |
goto out; |
|
| 739 |
} |
|
| 740 |
|
|
| 741 |
if (qflag) |
|
| 742 |
goto out; |
|
| 743 |
|
|
| 744 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 745 |
t2 = tsub(t2, t1); |
|
| 746 |
print_report("wrote", &t2, offset, count, total, cnt, Cflag);
|
|
| 669 |
struct timeval t1, t2; |
|
| 670 |
int Cflag = 0, pflag = 0, qflag = 0, bflag = 0; |
|
| 671 |
int c, cnt; |
|
| 672 |
char *buf; |
|
| 673 |
int64_t offset; |
|
| 674 |
int count; |
|
| 675 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 676 |
int total = 0; |
|
| 677 |
int pattern = 0xcd; |
|
| 678 |
|
|
| 679 |
while ((c = getopt(argc, argv, "bCpP:q")) != EOF) {
|
|
| 680 |
switch (c) {
|
|
| 681 |
case 'b': |
|
| 682 |
bflag = 1; |
|
| 683 |
break; |
|
| 684 |
case 'C': |
|
| 685 |
Cflag = 1; |
|
| 686 |
break; |
|
| 687 |
case 'p': |
|
| 688 |
pflag = 1; |
|
| 689 |
break; |
|
| 690 |
case 'P': |
|
| 691 |
pattern = parse_pattern(optarg); |
|
| 692 |
if (pattern < 0) {
|
|
| 693 |
return 0; |
|
| 694 |
} |
|
| 695 |
break; |
|
| 696 |
case 'q': |
|
| 697 |
qflag = 1; |
|
| 698 |
break; |
|
| 699 |
default: |
|
| 700 |
return command_usage(&write_cmd); |
|
| 701 |
} |
|
| 702 |
} |
|
| 703 |
|
|
| 704 |
if (optind != argc - 2) {
|
|
| 705 |
return command_usage(&write_cmd); |
|
| 706 |
} |
|
| 707 |
|
|
| 708 |
if (bflag && pflag) {
|
|
| 709 |
printf("-b and -p cannot be specified at the same time\n");
|
|
| 710 |
return 0; |
|
| 711 |
} |
|
| 712 |
|
|
| 713 |
offset = cvtnum(argv[optind]); |
|
| 714 |
if (offset < 0) {
|
|
| 715 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 716 |
return 0; |
|
| 717 |
} |
|
| 718 |
|
|
| 719 |
optind++; |
|
| 720 |
count = cvtnum(argv[optind]); |
|
| 721 |
if (count < 0) {
|
|
| 722 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 723 |
return 0; |
|
| 724 |
} |
|
| 725 |
|
|
| 726 |
if (!pflag) {
|
|
| 727 |
if (offset & 0x1ff) {
|
|
| 728 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 729 |
offset); |
|
| 730 |
return 0; |
|
| 731 |
} |
|
| 732 |
|
|
| 733 |
if (count & 0x1ff) {
|
|
| 734 |
printf("count %d is not sector aligned\n",
|
|
| 735 |
count); |
|
| 736 |
return 0; |
|
| 737 |
} |
|
| 738 |
} |
|
| 739 |
|
|
| 740 |
buf = qemu_io_alloc(count, pattern); |
|
| 741 |
|
|
| 742 |
gettimeofday(&t1, NULL); |
|
| 743 |
if (pflag) {
|
|
| 744 |
cnt = do_pwrite(buf, offset, count, &total); |
|
| 745 |
} else if (bflag) {
|
|
| 746 |
cnt = do_save_vmstate(buf, offset, count, &total); |
|
| 747 |
} else {
|
|
| 748 |
cnt = do_write(buf, offset, count, &total); |
|
| 749 |
} |
|
| 750 |
gettimeofday(&t2, NULL); |
|
| 751 |
|
|
| 752 |
if (cnt < 0) {
|
|
| 753 |
printf("write failed: %s\n", strerror(-cnt));
|
|
| 754 |
goto out; |
|
| 755 |
} |
|
| 756 |
|
|
| 757 |
if (qflag) {
|
|
| 758 |
goto out; |
|
| 759 |
} |
|
| 760 |
|
|
| 761 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 762 |
t2 = tsub(t2, t1); |
|
| 763 |
print_report("wrote", &t2, offset, count, total, cnt, Cflag);
|
|
| 747 | 764 |
|
| 748 | 765 |
out: |
| 749 |
qemu_io_free(buf);
|
|
| 766 |
qemu_io_free(buf);
|
|
| 750 | 767 |
|
| 751 |
return 0;
|
|
| 768 |
return 0;
|
|
| 752 | 769 |
} |
| 753 | 770 |
|
| 754 | 771 |
static void |
| 755 | 772 |
writev_help(void) |
| 756 | 773 |
{
|
| 757 |
printf(
|
|
| 774 |
printf(
|
|
| 758 | 775 |
"\n" |
| 759 | 776 |
" writes a range of bytes from the given offset source from multiple buffers\n" |
| 760 | 777 |
"\n" |
| ... | ... | |
| 772 | 789 |
static int writev_f(int argc, char **argv); |
| 773 | 790 |
|
| 774 | 791 |
static const cmdinfo_t writev_cmd = {
|
| 775 |
.name = "writev",
|
|
| 776 |
.cfunc = writev_f,
|
|
| 777 |
.argmin = 2,
|
|
| 778 |
.argmax = -1,
|
|
| 779 |
.args = "[-Cq] [-P pattern ] off len [len..]",
|
|
| 780 |
.oneline = "writes a number of bytes at a specified offset",
|
|
| 781 |
.help = writev_help,
|
|
| 792 |
.name = "writev",
|
|
| 793 |
.cfunc = writev_f,
|
|
| 794 |
.argmin = 2,
|
|
| 795 |
.argmax = -1,
|
|
| 796 |
.args = "[-Cq] [-P pattern ] off len [len..]",
|
|
| 797 |
.oneline = "writes a number of bytes at a specified offset",
|
|
| 798 |
.help = writev_help,
|
|
| 782 | 799 |
}; |
| 783 | 800 |
|
| 784 |
static int |
|
| 785 |
writev_f(int argc, char **argv) |
|
| 801 |
static int writev_f(int argc, char **argv) |
|
| 786 | 802 |
{
|
| 787 |
struct timeval t1, t2; |
|
| 788 |
int Cflag = 0, qflag = 0; |
|
| 789 |
int c, cnt; |
|
| 790 |
char *buf; |
|
| 791 |
int64_t offset; |
|
| 792 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 793 |
int total = 0; |
|
| 794 |
int nr_iov; |
|
| 795 |
int pattern = 0xcd; |
|
| 796 |
QEMUIOVector qiov; |
|
| 797 |
|
|
| 798 |
while ((c = getopt(argc, argv, "CqP:")) != EOF) {
|
|
| 799 |
switch (c) {
|
|
| 800 |
case 'C': |
|
| 801 |
Cflag = 1; |
|
| 802 |
break; |
|
| 803 |
case 'q': |
|
| 804 |
qflag = 1; |
|
| 805 |
break; |
|
| 806 |
case 'P': |
|
| 807 |
pattern = parse_pattern(optarg); |
|
| 808 |
if (pattern < 0) |
|
| 809 |
return 0; |
|
| 810 |
break; |
|
| 811 |
default: |
|
| 812 |
return command_usage(&writev_cmd); |
|
| 813 |
} |
|
| 814 |
} |
|
| 815 |
|
|
| 816 |
if (optind > argc - 2) |
|
| 817 |
return command_usage(&writev_cmd); |
|
| 818 |
|
|
| 819 |
offset = cvtnum(argv[optind]); |
|
| 820 |
if (offset < 0) {
|
|
| 821 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 822 |
return 0; |
|
| 823 |
} |
|
| 824 |
optind++; |
|
| 825 |
|
|
| 826 |
if (offset & 0x1ff) {
|
|
| 827 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 828 |
offset); |
|
| 829 |
return 0; |
|
| 830 |
} |
|
| 831 |
|
|
| 832 |
nr_iov = argc - optind; |
|
| 833 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, pattern); |
|
| 834 |
|
|
| 835 |
gettimeofday(&t1, NULL); |
|
| 836 |
cnt = do_aio_writev(&qiov, offset, &total); |
|
| 837 |
gettimeofday(&t2, NULL); |
|
| 838 |
|
|
| 839 |
if (cnt < 0) {
|
|
| 840 |
printf("writev failed: %s\n", strerror(-cnt));
|
|
| 841 |
goto out; |
|
| 842 |
} |
|
| 843 |
|
|
| 844 |
if (qflag) |
|
| 845 |
goto out; |
|
| 846 |
|
|
| 847 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 848 |
t2 = tsub(t2, t1); |
|
| 849 |
print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag);
|
|
| 803 |
struct timeval t1, t2; |
|
| 804 |
int Cflag = 0, qflag = 0; |
|
| 805 |
int c, cnt; |
|
| 806 |
char *buf; |
|
| 807 |
int64_t offset; |
|
| 808 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 809 |
int total = 0; |
|
| 810 |
int nr_iov; |
|
| 811 |
int pattern = 0xcd; |
|
| 812 |
QEMUIOVector qiov; |
|
| 813 |
|
|
| 814 |
while ((c = getopt(argc, argv, "CqP:")) != EOF) {
|
|
| 815 |
switch (c) {
|
|
| 816 |
case 'C': |
|
| 817 |
Cflag = 1; |
|
| 818 |
break; |
|
| 819 |
case 'q': |
|
| 820 |
qflag = 1; |
|
| 821 |
break; |
|
| 822 |
case 'P': |
|
| 823 |
pattern = parse_pattern(optarg); |
|
| 824 |
if (pattern < 0) {
|
|
| 825 |
return 0; |
|
| 826 |
} |
|
| 827 |
break; |
|
| 828 |
default: |
|
| 829 |
return command_usage(&writev_cmd); |
|
| 830 |
} |
|
| 831 |
} |
|
| 832 |
|
|
| 833 |
if (optind > argc - 2) {
|
|
| 834 |
return command_usage(&writev_cmd); |
|
| 835 |
} |
|
| 836 |
|
|
| 837 |
offset = cvtnum(argv[optind]); |
|
| 838 |
if (offset < 0) {
|
|
| 839 |
printf("non-numeric length argument -- %s\n", argv[optind]);
|
|
| 840 |
return 0; |
|
| 841 |
} |
|
| 842 |
optind++; |
|
| 843 |
|
|
| 844 |
if (offset & 0x1ff) {
|
|
| 845 |
printf("offset %" PRId64 " is not sector aligned\n",
|
|
| 846 |
offset); |
|
| 847 |
return 0; |
|
| 848 |
} |
|
| 849 |
|
|
| 850 |
nr_iov = argc - optind; |
|
| 851 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, pattern); |
|
| 852 |
|
|
| 853 |
gettimeofday(&t1, NULL); |
|
| 854 |
cnt = do_aio_writev(&qiov, offset, &total); |
|
| 855 |
gettimeofday(&t2, NULL); |
|
| 856 |
|
|
| 857 |
if (cnt < 0) {
|
|
| 858 |
printf("writev failed: %s\n", strerror(-cnt));
|
|
| 859 |
goto out; |
|
| 860 |
} |
|
| 861 |
|
|
| 862 |
if (qflag) {
|
|
| 863 |
goto out; |
|
| 864 |
} |
|
| 865 |
|
|
| 866 |
/* Finally, report back -- -C gives a parsable format */ |
|
| 867 |
t2 = tsub(t2, t1); |
|
| 868 |
print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag);
|
|
| 850 | 869 |
out: |
| 851 |
qemu_io_free(buf);
|
|
| 852 |
return 0;
|
|
| 870 |
qemu_io_free(buf);
|
|
| 871 |
return 0;
|
|
| 853 | 872 |
} |
| 854 | 873 |
|
| 855 |
static void |
|
| 856 |
multiwrite_help(void) |
|
| 874 |
static void multiwrite_help(void) |
|
| 857 | 875 |
{
|
| 858 |
printf(
|
|
| 876 |
printf(
|
|
| 859 | 877 |
"\n" |
| 860 | 878 |
" writes a range of bytes from the given offset source from multiple buffers,\n" |
| 861 | 879 |
" in a batch of requests that may be merged by qemu\n" |
| ... | ... | |
| 876 | 894 |
static int multiwrite_f(int argc, char **argv); |
| 877 | 895 |
|
| 878 | 896 |
static const cmdinfo_t multiwrite_cmd = {
|
| 879 |
.name = "multiwrite",
|
|
| 880 |
.cfunc = multiwrite_f,
|
|
| 881 |
.argmin = 2,
|
|
| 882 |
.argmax = -1,
|
|
| 883 |
.args = "[-Cq] [-P pattern ] off len [len..] [; off len [len..]..]",
|
|
| 884 |
.oneline = "issues multiple write requests at once",
|
|
| 885 |
.help = multiwrite_help,
|
|
| 897 |
.name = "multiwrite",
|
|
| 898 |
.cfunc = multiwrite_f,
|
|
| 899 |
.argmin = 2,
|
|
| 900 |
.argmax = -1,
|
|
| 901 |
.args = "[-Cq] [-P pattern ] off len [len..] [; off len [len..]..]",
|
|
| 902 |
.oneline = "issues multiple write requests at once",
|
|
| 903 |
.help = multiwrite_help,
|
|
| 886 | 904 |
}; |
| 887 | 905 |
|
| 888 |
static int |
|
| 889 |
multiwrite_f(int argc, char **argv) |
|
| 906 |
static int multiwrite_f(int argc, char **argv) |
|
| 890 | 907 |
{
|
| 891 |
struct timeval t1, t2; |
|
| 892 |
int Cflag = 0, qflag = 0; |
|
| 893 |
int c, cnt; |
|
| 894 |
char **buf; |
|
| 895 |
int64_t offset, first_offset = 0; |
|
| 896 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
| 897 |
int total = 0; |
|
| 898 |
int nr_iov; |
|
| 899 |
int nr_reqs; |
|
| 900 |
int pattern = 0xcd; |
|
| 901 |
QEMUIOVector *qiovs; |
|
| 902 |
int i; |
|
| 903 |
BlockRequest *reqs; |
|
| 904 |
|
|
| 905 |
while ((c = getopt(argc, argv, "CqP:")) != EOF) {
|
|
| 906 |
switch (c) {
|
|
| 907 |
case 'C': |
|
| 908 |
Cflag = 1; |
|
| 909 |
break; |
|
| 910 |
case 'q': |
|
| 911 |
qflag = 1; |
|
| 912 |
break; |
|
| 913 |
case 'P': |
|
| 914 |
pattern = parse_pattern(optarg); |
|
| 915 |
if (pattern < 0) |
|
| 916 |
return 0; |
|
| 917 |
break; |
|
| 918 |
default: |
|
| 919 |
return command_usage(&writev_cmd); |
|
| 920 |
} |
|
| 921 |
} |
|
| 922 |
|
|
| 923 |
if (optind > argc - 2) |
|
| 924 |
return command_usage(&writev_cmd); |
|
| 925 |
|
|
| 926 |
nr_reqs = 1; |
|
| 927 |
for (i = optind; i < argc; i++) {
|
|
| 928 |
if (!strcmp(argv[i], ";")) {
|
|
| 929 |
nr_reqs++; |
|
| 930 |
} |
|
| 931 |
} |
|
| 932 |
|
|
| 933 |
reqs = qemu_malloc(nr_reqs * sizeof(*reqs)); |
|
| 934 |
buf = qemu_malloc(nr_reqs * sizeof(*buf)); |
|
| 935 |
qiovs = qemu_malloc(nr_reqs * sizeof(*qiovs)); |
|
| 936 |
|
|
| 937 |
for (i = 0; i < nr_reqs; i++) {
|
|
| 938 |
int j; |
|
| 939 |
|
|
| 940 |
/* Read the offset of the request */ |
|
| 941 |
offset = cvtnum(argv[optind]); |
|
| 942 |
if (offset < 0) {
|
|
| 943 |
printf("non-numeric offset argument -- %s\n", argv[optind]);
|
|
| 944 |
return 0; |
|
| 945 |
} |
|
| 946 |
optind++; |
|
| 947 |
|
|
| 948 |
if (offset & 0x1ff) {
|
|
| 949 |
printf("offset %lld is not sector aligned\n",
|
|
| 950 |
(long long)offset); |
|
| 951 |
return 0; |
|
| 952 |
} |
|
| 908 |
struct timeval t1, t2; |
|
| 909 |
int Cflag = 0, qflag = 0; |
|
Also available in: Unified diff