diff options
| -rw-r--r-- | Makefile.target | 9 | ||||
| -rw-r--r-- | hw/xen.h | 13 | ||||
| -rw-r--r-- | hw/xen_backend.c | 3 | ||||
| -rw-r--r-- | hw/xen_machine_pv.c | 1 | ||||
| -rw-r--r-- | vl.c | 2 | ||||
| -rw-r--r-- | xen-all.c | 23 | ||||
| -rw-r--r-- | xen-stub.c | 15 |
7 files changed, 64 insertions, 2 deletions
diff --git a/Makefile.target b/Makefile.target index 6873f76c96..fd84d467da 100644 --- a/Makefile.target +++ b/Makefile.target @@ -208,6 +208,15 @@ QEMU_CFLAGS += $(VNC_PNG_CFLAGS) # xen backend driver support obj-i386-$(CONFIG_XEN) += xen_machine_pv.o xen_domainbuild.o +ifeq ($(TARGET_BASE_ARCH), i386) + CONFIG_NO_XEN = $(if $(subst n,,$(CONFIG_XEN)),n,y) +else + CONFIG_NO_XEN = y +endif +# xen support +obj-i386-$(CONFIG_XEN) += xen-all.o +obj-$(CONFIG_NO_XEN) += xen-stub.o + # Inter-VM PCI shared memory CONFIG_IVSHMEM = ifeq ($(CONFIG_KVM), y) @@ -18,4 +18,17 @@ enum xen_mode { extern uint32_t xen_domid; extern enum xen_mode xen_mode; +extern int xen_allowed; + +static inline int xen_enabled(void) +{ +#ifdef CONFIG_XEN + return xen_allowed; +#else + return 0; +#endif +} + +int xen_init(void); + #endif /* QEMU_HW_XEN_H */ diff --git a/hw/xen_backend.c b/hw/xen_backend.c index 5f58a3fe64..d881fa2f70 100644 --- a/hw/xen_backend.c +++ b/hw/xen_backend.c @@ -665,9 +665,8 @@ int xen_be_init(void) goto err; } - xen_xc = xen_xc_interface_open(0, 0, 0); if (xen_xc == XC_HANDLER_INITIAL_VALUE) { - xen_be_printf(NULL, 0, "can't open xen interface\n"); + /* Check if xen_init() have been called */ goto err; } return 0; diff --git a/hw/xen_machine_pv.c b/hw/xen_machine_pv.c index 0d7f73ed82..7985d11d5a 100644 --- a/hw/xen_machine_pv.c +++ b/hw/xen_machine_pv.c @@ -113,6 +113,7 @@ static QEMUMachine xenpv_machine = { .desc = "Xen Para-virtualized PC", .init = xen_init_pv, .max_cpus = 1, + .default_machine_opts = "accel=xen", }; static void xenpv_machine_init(void) @@ -259,6 +259,7 @@ static NotifierList machine_init_done_notifiers = static int tcg_allowed = 1; int kvm_allowed = 0; +int xen_allowed = 0; uint32_t xen_domid; enum xen_mode xen_mode = XEN_EMULATE; @@ -1890,6 +1891,7 @@ static struct { int *allowed; } accel_list[] = { { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed }, + { "xen", "Xen", xen_available, xen_init, &xen_allowed }, { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed }, }; diff --git a/xen-all.c b/xen-all.c new file mode 100644 index 0000000000..e2872f9527 --- /dev/null +++ b/xen-all.c @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2010 Citrix Ltd. + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#include "hw/xen_common.h" +#include "hw/xen_backend.h" + +/* Initialise Xen */ + +int xen_init(void) +{ + xen_xc = xen_xc_interface_open(0, 0, 0); + if (xen_xc == XC_HANDLER_INITIAL_VALUE) { + xen_be_printf(NULL, 0, "can't open xen interface\n"); + return -1; + } + + return 0; +} diff --git a/xen-stub.c b/xen-stub.c new file mode 100644 index 0000000000..beb982ff5a --- /dev/null +++ b/xen-stub.c @@ -0,0 +1,15 @@ +/* + * Copyright (C) 2010 Citrix Ltd. + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#include "qemu-common.h" +#include "hw/xen.h" + +int xen_init(void) +{ + return -ENOSYS; +} |