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xen: backend driver core (Gerd Hoffmann)

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This patch adds infrastructure for xen backend drivers living in qemu,
so drivers don't need to implement common stuff on their own.  It's
mostly xenbus management stuff: some functions to access xentore,
setting up xenstore watches, callbacks on device discovery and state
changes, handle event channel, ...

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7220 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-04-22 15:19:15 +00:00
parent e37630ca4f
commit d94f948620
5 changed files with 841 additions and 2 deletions
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8
hw/xen_machine_pv.c
View file

@ -26,7 +26,7 @@
#include "pc.h"
#include "sysemu.h"
#include "boards.h"
#include "xen.h"
#include "xen_backend.h"
uint32_t xen_domid;
enum xen_mode xen_mode = XEN_EMULATE;
@ -50,6 +50,12 @@ static void xen_init_pv(ram_addr_t ram_size, int vga_ram_size,
}
env = cpu_init(cpu_model);
env->halted = 1;
/* Initialize backend core & drivers */
if (xen_be_init() != 0) {
fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
exit(1);
}
}
QEMUMachine xenpv_machine = {