[PATCH][RESEND]enable xm console for vmx guest

classic Classic list List threaded Threaded
1 message Options
Reply | Threaded
Open this post in threaded view
|

[PATCH][RESEND]enable xm console for vmx guest

Ling, Xiaofeng
Enable xm console for vmx guest.
When the serial port is redirect to pty, write the allocated
device to xenstore, then xm console can get it.
TODO:serial port by pty shall not block if there are no reading
on the other end

Signed-off-by: Xiaofeng Ling <[hidden email]>

# HG changeset patch
# User Xiaofeng Ling <[hidden email]>
# Node ID 34d300132f3b4dc3944fbe980c97b84671c40e46
# Parent  1e82f5c841ac5cac5598040a5bc305835ff2965c
Enable xm console for vmx guest.
When the serial port is redirect to pty, write the allocated
device to xenstore, then xm console can get it.
TODO:serial port by pty shall not block if there are no reading
on the other end

Signed-off-by: Xiaofeng Ling <[hidden email]>

diff -r 25599e222c33 tools/examples/xmexample.vmx
--- a/tools/examples/xmexample.vmx Mon Nov  7 18:14:45 2005 +0100
+++ b/tools/examples/xmexample.vmx Tue Nov  8 09:16:22 2005 +0800
@@ -117,6 +117,11 @@
 #nographic=0
 
 
+#-----------------------------------------------------------------------------
+#   serial port re-direct to pty deivce, /dev/pts/n
+#   then xm console or minicom can connect
+#serial='pty'
+
 #----------------------------------------------------------------------------
 # enable ne2000, default = 0(use pcnet)
 ne2000=0
diff -r 25599e222c33 tools/ioemu/target-i386-dm/Makefile
--- a/tools/ioemu/target-i386-dm/Makefile Mon Nov  7 18:14:45 2005 +0100
+++ b/tools/ioemu/target-i386-dm/Makefile Tue Nov  8 09:16:22 2005 +0800
@@ -7,7 +7,7 @@
 TARGET_PATH=$(SRC_PATH)/target-$(TARGET_ARCH)
 VPATH=$(SRC_PATH):$(TARGET_PATH):$(SRC_PATH)/hw:$(SRC_PATH)/audio
 DEFINES=-I. -I$(TARGET_PATH) -I$(SRC_PATH)
-DEFINES+= -I$(XEN_ROOT)/tools/libxc
+DEFINES+= -I$(XEN_ROOT)/tools/libxc -I$(XEN_ROOT)/tools/xenstore
 ifdef CONFIG_USER_ONLY
 VPATH+=:$(SRC_PATH)/linux-user
 DEFINES+=-I$(SRC_PATH)/linux-user -I$(SRC_PATH)/linux-user/$(TARGET_ARCH)
@@ -188,7 +188,7 @@
 #########################################################
 
 DEFINES+=-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-LIBS+=-lm -L../../libxc -lxenctrl
+LIBS+=-lm -L../../libxc -lxenctrl -L../../xenstore -lxenstore
 ifndef CONFIG_USER_ONLY
 LIBS+=-lz
 endif
diff -r 25599e222c33 tools/ioemu/vl.c
--- a/tools/ioemu/vl.c Mon Nov  7 18:14:45 2005 +0100
+++ b/tools/ioemu/vl.c Tue Nov  8 09:16:22 2005 +0800
@@ -76,6 +76,7 @@
 #endif /* CONFIG_SDL */
 
 #include "xenctrl.h"
+#include "xs.h"
 #include "exec-all.h"
 
 //#define DO_TB_FLUSH
@@ -1171,6 +1172,48 @@
     return chr;
 }
 
+int store_console_dev(int domid, char *pts)
+{
+    int xc_handle;
+    unsigned int len = 0;
+    struct xs_handle *xs;
+    char *path;
+
+    xs = xs_daemon_open();
+    if (xs == NULL) {
+        fprintf(logfile, "Could not contact XenStore\n");
+        return -1;
+    }
+
+    xc_handle = xc_interface_open();
+    if (xc_handle == -1) {
+        fprintf(logfile, "xc_interface_open() error\n");
+        return -1;
+    }
+    
+    path = xs_get_domain_path(xs, domid);
+    if (path == NULL) {
+        fprintf(logfile, "xs_get_domain_path() error\n");
+        return -1;
+    }
+    path = realloc(path, strlen(path) + strlen("/console/tty") + 1);
+    if (path == NULL) {
+        fprintf(logfile, "realloc error\n");
+        return -1;
+    }
+    strcat(path, "/console/tty");
+    if (!xs_write(xs, NULL, path, pts, strlen(pts))) {
+        fprintf(logfile, "xs_write for console fail");
+        return -1;
+    }
+    
+    free(path);
+    xs_daemon_close(xs);
+    close(xc_handle);
+
+    return 0;
+}
+
 #if defined(__linux__)
 CharDriverState *qemu_chr_open_pty(void)
 {
@@ -1182,6 +1225,7 @@
         return NULL;
     }
     fprintf(stderr, "char device redirected to %s\n", slave_name);
+    store_console_dev(domid, slave_name);
     return qemu_chr_open_fd(master_fd, master_fd);
 }
 #else
@@ -2701,7 +2745,9 @@
                 break;
             case QEMU_OPTION_nographic:
                 pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
-                pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
+                if(!strcmp(serial_devices[0], "vc"))
+                    pstrcpy(serial_devices[0], sizeof(serial_devices[0]),
+                            "stdio");
                 nographic = 1;
                 break;
 #ifdef CONFIG_VNC

_______________________________________________
Xen-devel mailing list
[hidden email]
http://lists.xensource.com/xen-devel