*/
#include "qemu-common.h"
#include "block/block_int.h"
+#include "qapi/qmp/qbool.h"
#include <curl/curl.h>
// #define DEBUG
#define DPRINTF(fmt, ...) do { } while (0)
#endif
+#if LIBCURL_VERSION_NUM >= 0x071000
+/* The multi interface timer callback was introduced in 7.16.0 */
+#define NEED_CURL_TIMER_CALLBACK
+#define HAVE_SOCKET_ACTION
+#endif
+
+#ifndef HAVE_SOCKET_ACTION
+/* If curl_multi_socket_action isn't available, define it statically here in
+ * terms of curl_multi_socket. Note that ev_bitmask will be ignored, which is
+ * less efficient but still safe. */
+static CURLMcode __curl_multi_socket_action(CURLM *multi_handle,
+ curl_socket_t sockfd,
+ int ev_bitmask,
+ int *running_handles)
+{
+ return curl_multi_socket(multi_handle, sockfd, running_handles);
+}
+#define curl_multi_socket_action __curl_multi_socket_action
+#endif
+
#define PROTOCOLS (CURLPROTO_HTTP | CURLPROTO_HTTPS | \
CURLPROTO_FTP | CURLPROTO_FTPS | \
CURLPROTO_TFTP)
#define CURL_NUM_STATES 8
#define CURL_NUM_ACB 8
#define SECTOR_SIZE 512
-#define READ_AHEAD_SIZE (256 * 1024)
+#define READ_AHEAD_DEFAULT (256 * 1024)
#define FIND_RET_NONE 0
#define FIND_RET_OK 1
#define FIND_RET_WAIT 2
+#define CURL_BLOCK_OPT_URL "url"
+#define CURL_BLOCK_OPT_READAHEAD "readahead"
+#define CURL_BLOCK_OPT_SSLVERIFY "sslverify"
+
struct BDRVCURLState;
typedef struct CURLAIOCB {
struct BDRVCURLState *s;
CURLAIOCB *acb[CURL_NUM_ACB];
CURL *curl;
+ curl_socket_t sock_fd;
char *orig_buf;
size_t buf_start;
size_t buf_off;
typedef struct BDRVCURLState {
CURLM *multi;
+ QEMUTimer timer;
size_t len;
CURLState states[CURL_NUM_STATES];
char *url;
size_t readahead_size;
+ bool sslverify;
bool accept_range;
+ AioContext *aio_context;
} BDRVCURLState;
static void curl_clean_state(CURLState *s);
static void curl_multi_do(void *arg);
+static void curl_multi_read(void *arg);
+
+#ifdef NEED_CURL_TIMER_CALLBACK
+static int curl_timer_cb(CURLM *multi, long timeout_ms, void *opaque)
+{
+ BDRVCURLState *s = opaque;
+
+ DPRINTF("CURL: timer callback timeout_ms %ld\n", timeout_ms);
+ if (timeout_ms == -1) {
+ timer_del(&s->timer);
+ } else {
+ int64_t timeout_ns = (int64_t)timeout_ms * 1000 * 1000;
+ timer_mod(&s->timer,
+ qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + timeout_ns);
+ }
+ return 0;
+}
+#endif
static int curl_sock_cb(CURL *curl, curl_socket_t fd, int action,
- void *s, void *sp)
+ void *userp, void *sp)
{
+ BDRVCURLState *s;
+ CURLState *state = NULL;
+ curl_easy_getinfo(curl, CURLINFO_PRIVATE, (char **)&state);
+ state->sock_fd = fd;
+ s = state->s;
+
DPRINTF("CURL (AIO): Sock action %d on fd %d\n", action, fd);
switch (action) {
case CURL_POLL_IN:
- qemu_aio_set_fd_handler(fd, curl_multi_do, NULL, s);
+ aio_set_fd_handler(s->aio_context, fd, curl_multi_read,
+ NULL, state);
break;
case CURL_POLL_OUT:
- qemu_aio_set_fd_handler(fd, NULL, curl_multi_do, s);
+ aio_set_fd_handler(s->aio_context, fd, NULL, curl_multi_do, state);
break;
case CURL_POLL_INOUT:
- qemu_aio_set_fd_handler(fd, curl_multi_do, curl_multi_do, s);
+ aio_set_fd_handler(s->aio_context, fd, curl_multi_read,
+ curl_multi_do, state);
break;
case CURL_POLL_REMOVE:
- qemu_aio_set_fd_handler(fd, NULL, NULL, NULL);
+ aio_set_fd_handler(s->aio_context, fd, NULL, NULL, NULL);
break;
}
DPRINTF("CURL: Just reading %zd bytes\n", realsize);
if (!s || !s->orig_buf)
- goto read_end;
+ return 0;
+ if (s->buf_off >= s->buf_len) {
+ /* buffer full, read nothing */
+ return 0;
+ }
+ realsize = MIN(realsize, s->buf_len - s->buf_off);
memcpy(s->orig_buf + s->buf_off, ptr, realsize);
s->buf_off += realsize;
}
}
-read_end:
return realsize;
}
}
// Wait for unfinished chunks
- if ((start >= state->buf_start) &&
+ if (state->in_use &&
+ (start >= state->buf_start) &&
(start <= buf_fend) &&
(end >= state->buf_start) &&
(end <= buf_fend))
return FIND_RET_NONE;
}
-static void curl_multi_do(void *arg)
+static void curl_multi_check_completion(BDRVCURLState *s)
{
- BDRVCURLState *s = (BDRVCURLState *)arg;
- int running;
- int r;
int msgs_in_queue;
- if (!s->multi)
- return;
-
- do {
- r = curl_multi_socket_all(s->multi, &running);
- } while(r == CURLM_CALL_MULTI_PERFORM);
-
/* Try to find done transfers, so we can free the easy
* handle again. */
- do {
+ for (;;) {
CURLMsg *msg;
msg = curl_multi_info_read(s->multi, &msgs_in_queue);
+ /* Quit when there are no more completions */
if (!msg)
break;
- if (msg->msg == CURLMSG_NONE)
- break;
- switch (msg->msg) {
- case CURLMSG_DONE:
- {
- CURLState *state = NULL;
- curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE, (char**)&state);
-
- /* ACBs for successful messages get completed in curl_read_cb */
- if (msg->data.result != CURLE_OK) {
- int i;
- for (i = 0; i < CURL_NUM_ACB; i++) {
- CURLAIOCB *acb = state->acb[i];
-
- if (acb == NULL) {
- continue;
- }
-
- acb->common.cb(acb->common.opaque, -EIO);
- qemu_aio_release(acb);
- state->acb[i] = NULL;
+ if (msg->msg == CURLMSG_DONE) {
+ CURLState *state = NULL;
+ curl_easy_getinfo(msg->easy_handle, CURLINFO_PRIVATE,
+ (char **)&state);
+
+ /* ACBs for successful messages get completed in curl_read_cb */
+ if (msg->data.result != CURLE_OK) {
+ int i;
+ for (i = 0; i < CURL_NUM_ACB; i++) {
+ CURLAIOCB *acb = state->acb[i];
+
+ if (acb == NULL) {
+ continue;
}
- }
- curl_clean_state(state);
- break;
+ acb->common.cb(acb->common.opaque, -EIO);
+ qemu_aio_release(acb);
+ state->acb[i] = NULL;
+ }
}
- default:
- msgs_in_queue = 0;
- break;
+
+ curl_clean_state(state);
+ break;
}
- } while(msgs_in_queue);
+ }
+}
+
+static void curl_multi_do(void *arg)
+{
+ CURLState *s = (CURLState *)arg;
+ int running;
+ int r;
+
+ if (!s->s->multi) {
+ return;
+ }
+
+ do {
+ r = curl_multi_socket_action(s->s->multi, s->sock_fd, 0, &running);
+ } while(r == CURLM_CALL_MULTI_PERFORM);
+
+}
+
+static void curl_multi_read(void *arg)
+{
+ CURLState *s = (CURLState *)arg;
+
+ curl_multi_do(arg);
+ curl_multi_check_completion(s->s);
+}
+
+static void curl_multi_timeout_do(void *arg)
+{
+#ifdef NEED_CURL_TIMER_CALLBACK
+ BDRVCURLState *s = (BDRVCURLState *)arg;
+ int running;
+
+ if (!s->multi) {
+ return;
+ }
+
+ curl_multi_socket_action(s->multi, CURL_SOCKET_TIMEOUT, 0, &running);
+
+ curl_multi_check_completion(s);
+#else
+ abort();
+#endif
}
static CURLState *curl_init_state(BDRVCURLState *s)
break;
}
if (!state) {
- g_usleep(100);
- curl_multi_do(s);
+ aio_poll(state->s->aio_context, true);
}
} while(!state);
- if (state->curl)
- goto has_curl;
-
- state->curl = curl_easy_init();
- if (!state->curl)
- return NULL;
- curl_easy_setopt(state->curl, CURLOPT_URL, s->url);
- curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, 5);
- curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_read_cb);
- curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state);
- curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state);
- curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1);
- curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1);
- curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1);
- curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg);
- curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1);
-
- /* Restrict supported protocols to avoid security issues in the more
- * obscure protocols. For example, do not allow POP3/SMTP/IMAP see
- * CVE-2013-0249.
- *
- * Restricting protocols is only supported from 7.19.4 upwards.
- */
+ if (!state->curl) {
+ state->curl = curl_easy_init();
+ if (!state->curl) {
+ return NULL;
+ }
+ curl_easy_setopt(state->curl, CURLOPT_URL, s->url);
+ curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYPEER,
+ (long) s->sslverify);
+ curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, 5);
+ curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION,
+ (void *)curl_read_cb);
+ curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state);
+ curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state);
+ curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1);
+ curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1);
+ curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1);
+ curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg);
+ curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1);
+
+ /* Restrict supported protocols to avoid security issues in the more
+ * obscure protocols. For example, do not allow POP3/SMTP/IMAP see
+ * CVE-2013-0249.
+ *
+ * Restricting protocols is only supported from 7.19.4 upwards.
+ */
#if LIBCURL_VERSION_NUM >= 0x071304
- curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS);
- curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS);
+ curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS);
+ curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS);
#endif
#ifdef DEBUG_VERBOSE
- curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1);
+ curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1);
#endif
-
-has_curl:
+ }
state->s = s;
static void curl_parse_filename(const char *filename, QDict *options,
Error **errp)
{
+ qdict_put(options, CURL_BLOCK_OPT_URL, qstring_from_str(filename));
+}
- #define RA_OPTSTR ":readahead="
- char *file;
- char *ra;
- const char *ra_val;
- int parse_state = 0;
-
- file = g_strdup(filename);
-
- /* Parse a trailing ":readahead=#:" param, if present. */
- ra = file + strlen(file) - 1;
- while (ra >= file) {
- if (parse_state == 0) {
- if (*ra == ':') {
- parse_state++;
- } else {
- break;
- }
- } else if (parse_state == 1) {
- if (*ra > '9' || *ra < '0') {
- char *opt_start = ra - strlen(RA_OPTSTR) + 1;
- if (opt_start > file &&
- strncmp(opt_start, RA_OPTSTR, strlen(RA_OPTSTR)) == 0) {
- ra_val = ra + 1;
- ra -= strlen(RA_OPTSTR) - 1;
- *ra = '\0';
- qdict_put(options, "readahead", qstring_from_str(ra_val));
- }
- break;
- }
+static void curl_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVCURLState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < CURL_NUM_STATES; i++) {
+ if (s->states[i].in_use) {
+ curl_clean_state(&s->states[i]);
+ }
+ if (s->states[i].curl) {
+ curl_easy_cleanup(s->states[i].curl);
+ s->states[i].curl = NULL;
}
- ra--;
+ g_free(s->states[i].orig_buf);
+ s->states[i].orig_buf = NULL;
}
+ if (s->multi) {
+ curl_multi_cleanup(s->multi);
+ s->multi = NULL;
+ }
+
+ timer_del(&s->timer);
+}
+
+static void curl_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVCURLState *s = bs->opaque;
- qdict_put(options, "url", qstring_from_str(file));
+ aio_timer_init(new_context, &s->timer,
+ QEMU_CLOCK_REALTIME, SCALE_NS,
+ curl_multi_timeout_do, s);
- g_free(file);
+ assert(!s->multi);
+ s->multi = curl_multi_init();
+ s->aio_context = new_context;
+ curl_multi_setopt(s->multi, CURLMOPT_SOCKETFUNCTION, curl_sock_cb);
+#ifdef NEED_CURL_TIMER_CALLBACK
+ curl_multi_setopt(s->multi, CURLMOPT_TIMERDATA, s);
+ curl_multi_setopt(s->multi, CURLMOPT_TIMERFUNCTION, curl_timer_cb);
+#endif
}
static QemuOptsList runtime_opts = {
.head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head),
.desc = {
{
- .name = "url",
+ .name = CURL_BLOCK_OPT_URL,
.type = QEMU_OPT_STRING,
.help = "URL to open",
},
{
- .name = "readahead",
+ .name = CURL_BLOCK_OPT_READAHEAD,
.type = QEMU_OPT_SIZE,
.help = "Readahead size",
},
+ {
+ .name = CURL_BLOCK_OPT_SSLVERIFY,
+ .type = QEMU_OPT_BOOL,
+ .help = "Verify SSL certificate"
+ },
{ /* end of list */ }
},
};
-static int curl_open(BlockDriverState *bs, QDict *options, int flags)
+static int curl_open(BlockDriverState *bs, QDict *options, int flags,
+ Error **errp)
{
BDRVCURLState *s = bs->opaque;
CURLState *state = NULL;
static int inited = 0;
if (flags & BDRV_O_RDWR) {
- qerror_report(ERROR_CLASS_GENERIC_ERROR,
- "curl block device does not support writes");
+ error_setg(errp, "curl block device does not support writes");
return -EROFS;
}
- opts = qemu_opts_create_nofail(&runtime_opts);
+ opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
- if (error_is_set(&local_err)) {
- qerror_report_err(local_err);
- error_free(local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
goto out_noclean;
}
- s->readahead_size = qemu_opt_get_size(opts, "readahead", READ_AHEAD_SIZE);
+ s->readahead_size = qemu_opt_get_size(opts, CURL_BLOCK_OPT_READAHEAD,
+ READ_AHEAD_DEFAULT);
if ((s->readahead_size & 0x1ff) != 0) {
- fprintf(stderr, "HTTP_READAHEAD_SIZE %zd is not a multiple of 512\n",
- s->readahead_size);
+ error_setg(errp, "HTTP_READAHEAD_SIZE %zd is not a multiple of 512",
+ s->readahead_size);
goto out_noclean;
}
- file = qemu_opt_get(opts, "url");
+ s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, true);
+
+ file = qemu_opt_get(opts, CURL_BLOCK_OPT_URL);
if (file == NULL) {
- qerror_report(ERROR_CLASS_GENERIC_ERROR, "curl block driver requires "
- "an 'url' option");
+ error_setg(errp, "curl block driver requires an 'url' option");
goto out_noclean;
}
}
DPRINTF("CURL: Opening %s\n", file);
+ s->aio_context = bdrv_get_aio_context(bs);
s->url = g_strdup(file);
state = curl_init_state(s);
if (!state)
curl_easy_cleanup(state->curl);
state->curl = NULL;
- // Now we know the file exists and its size, so let's
- // initialize the multi interface!
-
- s->multi = curl_multi_init();
- curl_multi_setopt(s->multi, CURLMOPT_SOCKETDATA, s);
- curl_multi_setopt(s->multi, CURLMOPT_SOCKETFUNCTION, curl_sock_cb);
- curl_multi_do(s);
+ curl_attach_aio_context(bs, bdrv_get_aio_context(bs));
qemu_opts_del(opts);
return 0;
out:
- fprintf(stderr, "CURL: Error opening file: %s\n", state->errmsg);
+ error_setg(errp, "CURL: Error opening file: %s", state->errmsg);
curl_easy_cleanup(state->curl);
state->curl = NULL;
out_noclean:
static void curl_readv_bh_cb(void *p)
{
CURLState *state;
+ int running;
CURLAIOCB *acb = p;
BDRVCURLState *s = acb->common.bs->opaque;
acb->end = (acb->nb_sectors * SECTOR_SIZE);
state->buf_off = 0;
- if (state->orig_buf)
- g_free(state->orig_buf);
+ g_free(state->orig_buf);
state->buf_start = start;
state->buf_len = acb->end + s->readahead_size;
end = MIN(start + state->buf_len, s->len) - 1;
- state->orig_buf = g_malloc(state->buf_len);
+ state->orig_buf = g_try_malloc(state->buf_len);
+ if (state->buf_len && state->orig_buf == NULL) {
+ curl_clean_state(state);
+ acb->common.cb(acb->common.opaque, -ENOMEM);
+ qemu_aio_release(acb);
+ return;
+ }
state->acb[0] = acb;
snprintf(state->range, 127, "%zd-%zd", start, end);
curl_easy_setopt(state->curl, CURLOPT_RANGE, state->range);
curl_multi_add_handle(s->multi, state->curl);
- curl_multi_do(s);
+ /* Tell curl it needs to kick things off */
+ curl_multi_socket_action(s->multi, CURL_SOCKET_TIMEOUT, 0, &running);
}
static BlockDriverAIOCB *curl_aio_readv(BlockDriverState *bs,
acb->sector_num = sector_num;
acb->nb_sectors = nb_sectors;
- acb->bh = qemu_bh_new(curl_readv_bh_cb, acb);
+ acb->bh = aio_bh_new(bdrv_get_aio_context(bs), curl_readv_bh_cb, acb);
qemu_bh_schedule(acb->bh);
return &acb->common;
}
static void curl_close(BlockDriverState *bs)
{
BDRVCURLState *s = bs->opaque;
- int i;
DPRINTF("CURL: Close\n");
- for (i=0; i<CURL_NUM_STATES; i++) {
- if (s->states[i].in_use)
- curl_clean_state(&s->states[i]);
- if (s->states[i].curl) {
- curl_easy_cleanup(s->states[i].curl);
- s->states[i].curl = NULL;
- }
- if (s->states[i].orig_buf) {
- g_free(s->states[i].orig_buf);
- s->states[i].orig_buf = NULL;
- }
- }
- if (s->multi)
- curl_multi_cleanup(s->multi);
+ curl_detach_aio_context(bs);
+
g_free(s->url);
}
}
static BlockDriver bdrv_http = {
- .format_name = "http",
- .protocol_name = "http",
+ .format_name = "http",
+ .protocol_name = "http",
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_aio_readv = curl_aio_readv,
+
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_https = {
- .format_name = "https",
- .protocol_name = "https",
+ .format_name = "https",
+ .protocol_name = "https",
+
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .bdrv_aio_readv = curl_aio_readv,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_ftp = {
- .format_name = "ftp",
- .protocol_name = "ftp",
+ .format_name = "ftp",
+ .protocol_name = "ftp",
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_aio_readv = curl_aio_readv,
+
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_ftps = {
- .format_name = "ftps",
- .protocol_name = "ftps",
+ .format_name = "ftps",
+ .protocol_name = "ftps",
+
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .bdrv_aio_readv = curl_aio_readv,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static BlockDriver bdrv_tftp = {
- .format_name = "tftp",
- .protocol_name = "tftp",
+ .format_name = "tftp",
+ .protocol_name = "tftp",
+
+ .instance_size = sizeof(BDRVCURLState),
+ .bdrv_parse_filename = curl_parse_filename,
+ .bdrv_file_open = curl_open,
+ .bdrv_close = curl_close,
+ .bdrv_getlength = curl_getlength,
- .instance_size = sizeof(BDRVCURLState),
- .bdrv_parse_filename = curl_parse_filename,
- .bdrv_file_open = curl_open,
- .bdrv_close = curl_close,
- .bdrv_getlength = curl_getlength,
+ .bdrv_aio_readv = curl_aio_readv,
- .bdrv_aio_readv = curl_aio_readv,
+ .bdrv_detach_aio_context = curl_detach_aio_context,
+ .bdrv_attach_aio_context = curl_attach_aio_context,
};
static void curl_block_init(void)
projects / qemu.git / blobdiff