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-rw-r--r--chardev/Makefile.objs1
-rw-r--r--chardev/char-win.c265
-rw-r--r--chardev/char-win.h53
-rw-r--r--chardev/char.c253
4 files changed, 322 insertions, 250 deletions
diff --git a/chardev/Makefile.objs b/chardev/Makefile.objs
index d2f03dc5df..bdf5a112a7 100644
--- a/chardev/Makefile.objs
+++ b/chardev/Makefile.objs
@@ -4,3 +4,4 @@ chardev-obj-y += char-io.o
chardev-obj-y += char-mux.o
chardev-obj-y += char-null.o
chardev-obj-y += char-ringbuf.o
+chardev-obj-$(CONFIG_WIN32) += char-win.o
diff --git a/chardev/char-win.c b/chardev/char-win.c
new file mode 100644
index 0000000000..e4b6957ded
--- /dev/null
+++ b/chardev/char-win.c
@@ -0,0 +1,265 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qapi/error.h"
+#include "char-win.h"
+
+static void win_chr_readfile(Chardev *chr)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+
+ int ret, err;
+ uint8_t buf[CHR_READ_BUF_LEN];
+ DWORD size;
+
+ ZeroMemory(&s->orecv, sizeof(s->orecv));
+ s->orecv.hEvent = s->hrecv;
+ ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
+ if (!ret) {
+ err = GetLastError();
+ if (err == ERROR_IO_PENDING) {
+ ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
+ }
+ }
+
+ if (size > 0) {
+ qemu_chr_be_write(chr, buf, size);
+ }
+}
+
+static void win_chr_read(Chardev *chr)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+
+ if (s->len > s->max_size) {
+ s->len = s->max_size;
+ }
+ if (s->len == 0) {
+ return;
+ }
+
+ win_chr_readfile(chr);
+}
+
+static int win_chr_read_poll(Chardev *chr)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+
+ s->max_size = qemu_chr_be_can_write(chr);
+ return s->max_size;
+}
+
+static int win_chr_poll(void *opaque)
+{
+ Chardev *chr = CHARDEV(opaque);
+ WinChardev *s = WIN_CHARDEV(opaque);
+ COMSTAT status;
+ DWORD comerr;
+
+ ClearCommError(s->hcom, &comerr, &status);
+ if (status.cbInQue > 0) {
+ s->len = status.cbInQue;
+ win_chr_read_poll(chr);
+ win_chr_read(chr);
+ return 1;
+ }
+ return 0;
+}
+
+int win_chr_init(Chardev *chr, const char *filename, Error **errp)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+ COMMCONFIG comcfg;
+ COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
+ COMSTAT comstat;
+ DWORD size;
+ DWORD err;
+
+ s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hsend) {
+ error_setg(errp, "Failed CreateEvent");
+ goto fail;
+ }
+ s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
+ if (!s->hrecv) {
+ error_setg(errp, "Failed CreateEvent");
+ goto fail;
+ }
+
+ s->hcom = CreateFile(filename, GENERIC_READ | GENERIC_WRITE, 0, NULL,
+ OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
+ if (s->hcom == INVALID_HANDLE_VALUE) {
+ error_setg(errp, "Failed CreateFile (%lu)", GetLastError());
+ s->hcom = NULL;
+ goto fail;
+ }
+
+ if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
+ error_setg(errp, "Failed SetupComm");
+ goto fail;
+ }
+
+ ZeroMemory(&comcfg, sizeof(COMMCONFIG));
+ size = sizeof(COMMCONFIG);
+ GetDefaultCommConfig(filename, &comcfg, &size);
+ comcfg.dcb.DCBlength = sizeof(DCB);
+ CommConfigDialog(filename, NULL, &comcfg);
+
+ if (!SetCommState(s->hcom, &comcfg.dcb)) {
+ error_setg(errp, "Failed SetCommState");
+ goto fail;
+ }
+
+ if (!SetCommMask(s->hcom, EV_ERR)) {
+ error_setg(errp, "Failed SetCommMask");
+ goto fail;
+ }
+
+ cto.ReadIntervalTimeout = MAXDWORD;
+ if (!SetCommTimeouts(s->hcom, &cto)) {
+ error_setg(errp, "Failed SetCommTimeouts");
+ goto fail;
+ }
+
+ if (!ClearCommError(s->hcom, &err, &comstat)) {
+ error_setg(errp, "Failed ClearCommError");
+ goto fail;
+ }
+ qemu_add_polling_cb(win_chr_poll, chr);
+ return 0;
+
+ fail:
+ return -1;
+}
+
+int win_chr_pipe_poll(void *opaque)
+{
+ Chardev *chr = CHARDEV(opaque);
+ WinChardev *s = WIN_CHARDEV(opaque);
+ DWORD size;
+
+ PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
+ if (size > 0) {
+ s->len = size;
+ win_chr_read_poll(chr);
+ win_chr_read(chr);
+ return 1;
+ }
+ return 0;
+}
+
+/* Called with chr_write_lock held. */
+static int win_chr_write(Chardev *chr, const uint8_t *buf, int len1)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+ DWORD len, ret, size, err;
+
+ len = len1;
+ ZeroMemory(&s->osend, sizeof(s->osend));
+ s->osend.hEvent = s->hsend;
+ while (len > 0) {
+ if (s->hsend) {
+ ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
+ } else {
+ ret = WriteFile(s->hcom, buf, len, &size, NULL);
+ }
+ if (!ret) {
+ err = GetLastError();
+ if (err == ERROR_IO_PENDING) {
+ ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
+ if (ret) {
+ buf += size;
+ len -= size;
+ } else {
+ break;
+ }
+ } else {
+ break;
+ }
+ } else {
+ buf += size;
+ len -= size;
+ }
+ }
+ return len1 - len;
+}
+
+static void char_win_finalize(Object *obj)
+{
+ Chardev *chr = CHARDEV(obj);
+ WinChardev *s = WIN_CHARDEV(chr);
+
+ if (s->skip_free) {
+ return;
+ }
+
+ if (s->hsend) {
+ CloseHandle(s->hsend);
+ }
+ if (s->hrecv) {
+ CloseHandle(s->hrecv);
+ }
+ if (s->hcom) {
+ CloseHandle(s->hcom);
+ }
+ if (s->fpipe) {
+ qemu_del_polling_cb(win_chr_pipe_poll, chr);
+ } else {
+ qemu_del_polling_cb(win_chr_poll, chr);
+ }
+
+ qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
+}
+
+void qemu_chr_open_win_file(Chardev *chr, HANDLE fd_out)
+{
+ WinChardev *s = WIN_CHARDEV(chr);
+
+ s->skip_free = true;
+ s->hcom = fd_out;
+}
+
+static void char_win_class_init(ObjectClass *oc, void *data)
+{
+ ChardevClass *cc = CHARDEV_CLASS(oc);
+
+ cc->chr_write = win_chr_write;
+}
+
+static const TypeInfo char_win_type_info = {
+ .name = TYPE_CHARDEV_WIN,
+ .parent = TYPE_CHARDEV,
+ .instance_size = sizeof(WinChardev),
+ .instance_finalize = char_win_finalize,
+ .class_init = char_win_class_init,
+ .abstract = true,
+};
+
+static void register_types(void)
+{
+ type_register_static(&char_win_type_info);
+}
+
+type_init(register_types);
diff --git a/chardev/char-win.h b/chardev/char-win.h
new file mode 100644
index 0000000000..d78a7d7972
--- /dev/null
+++ b/chardev/char-win.h
@@ -0,0 +1,53 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef CHAR_WIN_H
+#define CHAR_WIN_H
+
+#include "sysemu/char.h"
+
+typedef struct {
+ Chardev parent;
+ int max_size;
+ HANDLE hcom, hrecv, hsend;
+ OVERLAPPED orecv;
+ BOOL fpipe;
+ DWORD len;
+
+ /* Protected by the Chardev chr_write_lock. */
+ OVERLAPPED osend;
+ /* FIXME: file/console do not finalize */
+ bool skip_free;
+} WinChardev;
+
+#define NSENDBUF 2048
+#define NRECVBUF 2048
+
+#define TYPE_CHARDEV_WIN "chardev-win"
+#define WIN_CHARDEV(obj) OBJECT_CHECK(WinChardev, (obj), TYPE_CHARDEV_WIN)
+
+void qemu_chr_open_win_file(Chardev *chr, HANDLE fd_out);
+int win_chr_init(Chardev *chr, const char *filename, Error **errp);
+int win_chr_pipe_poll(void *opaque);
+
+#endif /* CHAR_WIN_H */
diff --git a/chardev/char.c b/chardev/char.c
index aad57ac17e..b80fcae028 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -88,6 +88,9 @@
#include "char-mux.h"
#include "char-fd.h"
#include "char-io.h"
+#ifdef _WIN32
+#include "char-win.h"
+#endif
#define TCP_MAX_FDS 16
@@ -1473,23 +1476,6 @@ static void qemu_chr_open_pp_fd(Chardev *chr,
typedef struct {
Chardev parent;
- int max_size;
- HANDLE hcom, hrecv, hsend;
- OVERLAPPED orecv;
- BOOL fpipe;
- DWORD len;
-
- /* Protected by the Chardev chr_write_lock. */
- OVERLAPPED osend;
- /* FIXME: file/console do not finalize */
- bool skip_free;
-} WinChardev;
-
-#define TYPE_CHARDEV_WIN "chardev-win"
-#define WIN_CHARDEV(obj) OBJECT_CHECK(WinChardev, (obj), TYPE_CHARDEV_WIN)
-
-typedef struct {
- Chardev parent;
HANDLE hStdIn;
HANDLE hInputReadyEvent;
HANDLE hInputDoneEvent;
@@ -1501,217 +1487,9 @@ typedef struct {
#define WIN_STDIO_CHARDEV(obj) \
OBJECT_CHECK(WinStdioChardev, (obj), TYPE_CHARDEV_WIN_STDIO)
-#define NSENDBUF 2048
-#define NRECVBUF 2048
#define MAXCONNECT 1
#define NTIMEOUT 5000
-static int win_chr_poll(void *opaque);
-static int win_chr_pipe_poll(void *opaque);
-
-static void char_win_finalize(Object *obj)
-{
- Chardev *chr = CHARDEV(obj);
- WinChardev *s = WIN_CHARDEV(chr);
-
- if (s->skip_free) {
- return;
- }
-
- if (s->hsend) {
- CloseHandle(s->hsend);
- }
- if (s->hrecv) {
- CloseHandle(s->hrecv);
- }
- if (s->hcom) {
- CloseHandle(s->hcom);
- }
- if (s->fpipe)
- qemu_del_polling_cb(win_chr_pipe_poll, chr);
- else
- qemu_del_polling_cb(win_chr_poll, chr);
-
- qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
-}
-
-static int win_chr_init(Chardev *chr, const char *filename, Error **errp)
-{
- WinChardev *s = WIN_CHARDEV(chr);
- COMMCONFIG comcfg;
- COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
- COMSTAT comstat;
- DWORD size;
- DWORD err;
-
- s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
- if (!s->hsend) {
- error_setg(errp, "Failed CreateEvent");
- goto fail;
- }
- s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
- if (!s->hrecv) {
- error_setg(errp, "Failed CreateEvent");
- goto fail;
- }
-
- s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
- OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
- if (s->hcom == INVALID_HANDLE_VALUE) {
- error_setg(errp, "Failed CreateFile (%lu)", GetLastError());
- s->hcom = NULL;
- goto fail;
- }
-
- if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
- error_setg(errp, "Failed SetupComm");
- goto fail;
- }
-
- ZeroMemory(&comcfg, sizeof(COMMCONFIG));
- size = sizeof(COMMCONFIG);
- GetDefaultCommConfig(filename, &comcfg, &size);
- comcfg.dcb.DCBlength = sizeof(DCB);
- CommConfigDialog(filename, NULL, &comcfg);
-
- if (!SetCommState(s->hcom, &comcfg.dcb)) {
- error_setg(errp, "Failed SetCommState");
- goto fail;
- }
-
- if (!SetCommMask(s->hcom, EV_ERR)) {
- error_setg(errp, "Failed SetCommMask");
- goto fail;
- }
-
- cto.ReadIntervalTimeout = MAXDWORD;
- if (!SetCommTimeouts(s->hcom, &cto)) {
- error_setg(errp, "Failed SetCommTimeouts");
- goto fail;
- }
-
- if (!ClearCommError(s->hcom, &err, &comstat)) {
- error_setg(errp, "Failed ClearCommError");
- goto fail;
- }
- qemu_add_polling_cb(win_chr_poll, chr);
- return 0;
-
- fail:
- return -1;
-}
-
-/* Called with chr_write_lock held. */
-static int win_chr_write(Chardev *chr, const uint8_t *buf, int len1)
-{
- WinChardev *s = WIN_CHARDEV(chr);
- DWORD len, ret, size, err;
-
- len = len1;
- ZeroMemory(&s->osend, sizeof(s->osend));
- s->osend.hEvent = s->hsend;
- while (len > 0) {
- if (s->hsend)
- ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
- else
- ret = WriteFile(s->hcom, buf, len, &size, NULL);
- if (!ret) {
- err = GetLastError();
- if (err == ERROR_IO_PENDING) {
- ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
- if (ret) {
- buf += size;
- len -= size;
- } else {
- break;
- }
- } else {
- break;
- }
- } else {
- buf += size;
- len -= size;
- }
- }
- return len1 - len;
-}
-
-static int win_chr_read_poll(Chardev *chr)
-{
- WinChardev *s = WIN_CHARDEV(chr);
-
- s->max_size = qemu_chr_be_can_write(chr);
- return s->max_size;
-}
-
-static void win_chr_readfile(Chardev *chr)
-{
- WinChardev *s = WIN_CHARDEV(chr);
-
- int ret, err;
- uint8_t buf[CHR_READ_BUF_LEN];
- DWORD size;
-
- ZeroMemory(&s->orecv, sizeof(s->orecv));
- s->orecv.hEvent = s->hrecv;
- ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
- if (!ret) {
- err = GetLastError();
- if (err == ERROR_IO_PENDING) {
- ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
- }
- }
-
- if (size > 0) {
- qemu_chr_be_write(chr, buf, size);
- }
-}
-
-static void win_chr_read(Chardev *chr)
-{
- WinChardev *s = WIN_CHARDEV(chr);
-
- if (s->len > s->max_size)
- s->len = s->max_size;
- if (s->len == 0)
- return;
-
- win_chr_readfile(chr);
-}
-
-static int win_chr_poll(void *opaque)
-{
- Chardev *chr = CHARDEV(opaque);
- WinChardev *s = WIN_CHARDEV(opaque);
- COMSTAT status;
- DWORD comerr;
-
- ClearCommError(s->hcom, &comerr, &status);
- if (status.cbInQue > 0) {
- s->len = status.cbInQue;
- win_chr_read_poll(chr);
- win_chr_read(chr);
- return 1;
- }
- return 0;
-}
-
-static int win_chr_pipe_poll(void *opaque)
-{
- Chardev *chr = CHARDEV(opaque);
- WinChardev *s = WIN_CHARDEV(opaque);
- DWORD size;
-
- PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
- if (size > 0) {
- s->len = size;
- win_chr_read_poll(chr);
- win_chr_read(chr);
- return 1;
- }
- return 0;
-}
-
static int win_chr_pipe_init(Chardev *chr, const char *filename,
Error **errp)
{
@@ -1789,30 +1567,6 @@ static void qemu_chr_open_pipe(Chardev *chr,
}
}
-static void qemu_chr_open_win_file(Chardev *chr, HANDLE fd_out)
-{
- WinChardev *s = WIN_CHARDEV(chr);
-
- s->skip_free = true;
- s->hcom = fd_out;
-}
-
-static void char_win_class_init(ObjectClass *oc, void *data)
-{
- ChardevClass *cc = CHARDEV_CLASS(oc);
-
- cc->chr_write = win_chr_write;
-}
-
-static const TypeInfo char_win_type_info = {
- .name = TYPE_CHARDEV_WIN,
- .parent = TYPE_CHARDEV,
- .instance_size = sizeof(WinChardev),
- .instance_finalize = char_win_finalize,
- .class_init = char_win_class_init,
- .abstract = true,
-};
-
static void qemu_chr_open_win_con(Chardev *chr,
ChardevBackend *backend,
bool *be_opened,
@@ -4202,7 +3956,6 @@ static void register_types(void)
{
type_register_static(&char_type_info);
#ifdef _WIN32
- type_register_static(&char_win_type_info);
type_register_static(&char_win_stdio_type_info);
#endif
type_register_static(&char_socket_type_info);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-18 04:34:38 +0000