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Xen 2016-02-12

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Merge remote-tracking branch 'remotes/sstabellini/tags/xen-2016-02-12' into staging

Xen 2016-02-12

# gpg: Signature made Fri 12 Feb 2016 17:28:09 GMT using RSA key ID 70E1AE90
# gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"

* remotes/sstabellini/tags/xen-2016-02-12:
  xen: Drop __XEN_LATEST_INTERFACE_VERSION__ checks from prior to Xen 4.2
  xen: move xenforeignmemory compat layer into common place
  xen: drop XenXC and associated interface wrappers
  xen: drop xen_xc_hvm_inject_msi wrapper
  xen: drop support for Xen 4.1 and older.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-02-12 17:36:12 +00:00
commit a5af12871f
9 changed files with 61 additions and 375 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

101
configure vendored
View File

@ -2051,100 +2051,10 @@ EOF
xen_ctrl_version=420
xen=yes
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xs_daemon_open();
xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=410
xen=yes
# Xen 4.0.0
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
struct xen_add_to_physmap xatp = {
.domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
};
xs_daemon_open();
xc_interface_open();
xc_gnttab_open();
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=400
xen=yes
# Xen 3.4.0
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
int main(void) {
struct xen_add_to_physmap xatp = {
.domid = 0, .space = XENMAPSPACE_gmfn, .idx = 0, .gpfn = 0,
};
xs_daemon_open();
xc_interface_open();
xc_gnttab_open();
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_memory_op(0, XENMEM_add_to_physmap, &xatp);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=340
xen=yes
# Xen 3.3.0
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
int main(void) {
xs_daemon_open();
xc_interface_open();
xc_gnttab_open();
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=330
xen=yes
# Xen version unsupported
else
if test "$xen" = "yes" ; then
feature_not_found "xen (unsupported version)" "Install supported xen (e.g. 4.0, 3.4, 3.3)"
feature_not_found "xen (unsupported version)" \
"Install a supported xen (xen 4.2 or newer)"
fi
xen=no
fi
@ -2158,15 +2068,10 @@ EOF
fi
if test "$xen_pci_passthrough" != "no"; then
if test "$xen" = "yes" && test "$linux" = "yes" &&
test "$xen_ctrl_version" -ge 340; then
if test "$xen" = "yes" && test "$linux" = "yes"; then
xen_pci_passthrough=yes
else
if test "$xen_pci_passthrough" = "yes"; then
if test "$xen_ctrl_version" -lt 340; then
error_exit "User requested feature Xen PCI Passthrough" \
"This feature does not work with Xen 3.3"
fi
error_exit "User requested feature Xen PCI Passthrough" \
" but this feature requires /sys from Linux"
fi

7
hw/display/xenfb.c
View File

@ -241,9 +241,7 @@ static int xenfb_send_motion(struct XenInput *xenfb,
event.type = XENKBD_TYPE_MOTION;
event.motion.rel_x = rel_x;
event.motion.rel_y = rel_y;
#if __XEN_LATEST_INTERFACE_VERSION__ >= 0x00030207
event.motion.rel_z = rel_z;
#endif
return xenfb_kbd_event(xenfb, &event);
}
@ -258,12 +256,7 @@ static int xenfb_send_position(struct XenInput *xenfb,
event.type = XENKBD_TYPE_POS;
event.pos.abs_x = abs_x;
event.pos.abs_y = abs_y;
#if __XEN_LATEST_INTERFACE_VERSION__ == 0x00030207
event.pos.abs_z = z;
#endif
#if __XEN_LATEST_INTERFACE_VERSION__ >= 0x00030208
event.pos.rel_z = z;
#endif
return xenfb_kbd_event(xenfb, &event);
}

4
hw/i386/xen/xen_apic.c
View File

@ -44,11 +44,7 @@ static void xen_apic_realize(DeviceState *dev, Error **errp)
s->vapic_control = 0;
memory_region_init_io(&s->io_memory, OBJECT(s), &xen_apic_io_ops, s,
"xen-apic-msi", APIC_SPACE_SIZE);
#if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \
&& CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420
msi_supported = true;
#endif
}
static void xen_apic_set_base(APICCommonState *s, uint64_t val)

4
hw/xen/xen_backend.c
View File

@ -36,7 +36,7 @@
/* ------------------------------------------------------------- */
/* public */
XenXC xen_xc = XC_HANDLER_INITIAL_VALUE;
xc_interface *xen_xc = NULL;
xenforeignmemory_handle *xen_fmem = NULL;
struct xs_handle *xenstore = NULL;
const char *xen_protocol;
@ -710,7 +710,7 @@ int xen_be_init(void)
qemu_set_fd_handler(xs_fileno(xenstore), xenstore_update, NULL, NULL);
if (xen_xc == XC_HANDLER_INITIAL_VALUE || xen_fmem == NULL) {
if (xen_xc == NULL || xen_fmem == NULL) {
/* Check if xen_init() have been called */
goto err;
}

4
include/hw/xen/xen.h
View File

@ -48,8 +48,4 @@ void xen_modified_memory(ram_addr_t start, ram_addr_t length);
void xen_register_framebuffer(struct MemoryRegion *mr);
#if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
# define HVM_MAX_VCPUS 32
#endif
#endif /* QEMU_HW_XEN_H */

2
include/hw/xen/xen_backend.h
View File

@ -56,7 +56,7 @@ struct XenDevice {
/* ------------------------------------------------------------- */
/* variables */
extern XenXC xen_xc;
extern xc_interface *xen_xc;
extern xenforeignmemory_handle *xen_fmem;
extern struct xs_handle *xenstore;
extern const char *xen_protocol;

254
include/hw/xen/xen_common.h
View File

@ -16,11 +16,7 @@
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
# include <xs.h>
#else
# include <xenstore.h>
#endif
#include <xenstore.h>
#include <xen/io/xenbus.h>
#include "hw/hw.h"
@ -30,138 +26,16 @@
#include "trace.h"
/*
* We don't support Xen prior to 3.3.0.
* We don't support Xen prior to 4.2.0.
*/
/* Xen before 4.0 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot,
xen_pfn_t *arr, int *err,
unsigned int num)
{
return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
}
#endif
/* Xen 4.2 thru 4.6 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471
/* Xen before 4.1 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410
typedef int XenXC;
typedef int xenevtchn_handle;
typedef int xengnttab_handle;
typedef int xenforeignmemory_handle;
# define XC_INTERFACE_FMT "%i"
# define XC_HANDLER_INITIAL_VALUE -1
static inline xenevtchn_handle *xenevtchn_open(void *logger,
unsigned int open_flags)
{
xenevtchn_handle *h = malloc(sizeof(*h));
if (!h) {
return NULL;
}
*h = xc_evtchn_open();
if (*h == -1) {
free(h);
h = NULL;
}
return h;
}
static inline int xenevtchn_close(xenevtchn_handle *h)
{
int rc = xc_evtchn_close(*h);
free(h);
return rc;
}
#define xenevtchn_fd(h) xc_evtchn_fd(*h)
#define xenevtchn_pending(h) xc_evtchn_pending(*h)
#define xenevtchn_notify(h, p) xc_evtchn_notify(*h, p)
#define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(*h, d, p)
#define xenevtchn_unmask(h, p) xc_evtchn_unmask(*h, p)
#define xenevtchn_unbind(h, p) xc_evtchn_unmask(*h, p)
static inline xengnttab_handle *xengnttab_open(void *logger,
unsigned int open_flags)
{
xengnttab_handle *h = malloc(sizeof(*h));
if (!h) {
return NULL;
}
*h = xc_gnttab_open();
if (*h == -1) {
free(h);
h = NULL;
}
return h;
}
static inline int xengnttab_close(xengnttab_handle *h)
{
int rc = xc_gnttab_close(*h);
free(h);
return rc;
}
#define xengnttab_set_max_grants(h, n) xc_gnttab_set_max_grants(*h, n)
#define xengnttab_map_grant_ref(h, d, r, p) xc_gnttab_map_grant_ref(*h, d, r, p)
#define xengnttab_map_grant_refs(h, c, d, r, p) \
xc_gnttab_map_grant_refs(*h, c, d, r, p)
#define xengnttab_unmap(h, a, n) xc_gnttab_munmap(*h, a, n)
static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
unsigned int open_flags)
{
return xc_interface_open();
}
/* See below for xenforeignmemory_* APIs */
static inline int xc_domain_populate_physmap_exact
(XenXC xc_handle, uint32_t domid, unsigned long nr_extents,
unsigned int extent_order, unsigned int mem_flags, xen_pfn_t *extent_start)
{
return xc_domain_memory_populate_physmap
(xc_handle, domid, nr_extents, extent_order, mem_flags, extent_start);
}
static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid,
unsigned int space, unsigned long idx,
xen_pfn_t gpfn)
{
struct xen_add_to_physmap xatp = {
.domid = domid,
.space = space,
.idx = idx,
.gpfn = gpfn,
};
return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp);
}
static inline struct xs_handle *xs_open(unsigned long flags)
{
return xs_daemon_open();
}
static inline void xs_close(struct xs_handle *xsh)
{
if (xsh != NULL) {
xs_daemon_close(xsh);
}
}
/* Xen 4.1 thru 4.6 */
#elif CONFIG_XEN_CTRL_INTERFACE_VERSION < 471
typedef xc_interface *XenXC;
typedef xc_interface *xenforeignmemory_handle;
typedef xc_interface xenforeignmemory_handle;
typedef xc_evtchn xenevtchn_handle;
typedef xc_gnttab xengnttab_handle;
# define XC_INTERFACE_FMT "%p"
# define XC_HANDLER_INITIAL_VALUE NULL
#define xenevtchn_open(l, f) xc_evtchn_open(l, f);
#define xenevtchn_close(h) xc_evtchn_close(h)
#define xenevtchn_fd(h) xc_evtchn_fd(h)
@ -179,52 +53,27 @@ typedef xc_gnttab xengnttab_handle;
#define xengnttab_map_grant_refs(h, c, d, r, p) \
xc_gnttab_map_grant_refs(h, c, d, r, p)
static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
unsigned int open_flags)
#define xenforeignmemory_open(l, f) xen_xc
static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom,
int prot, size_t pages,
const xen_pfn_t arr[/*pages*/],
int err[/*pages*/])
{
return xc_interface_open(logger, dombuild_logger, open_flags);
if (err)
return xc_map_foreign_bulk(h, dom, prot, arr, err, pages);
else
return xc_map_foreign_pages(h, dom, prot, arr, pages);
}
/* See below for xenforeignmemory_* APIs */
#define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE)
#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 471 */
typedef xc_interface *XenXC;
# define XC_INTERFACE_FMT "%p"
# define XC_HANDLER_INITIAL_VALUE NULL
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
unsigned int open_flags)
{
return xc_interface_open(logger, dombuild_logger, open_flags);
}
#endif
/* Xen before 4.2 */
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
uint64_t addr, uint32_t data)
{
return -ENOSYS;
}
/* The followings are only to compile op_discard related code on older
* Xen releases. */
#define BLKIF_OP_DISCARD 5
struct blkif_request_discard {
uint64_t nr_sectors;
uint64_t sector_number;
};
#else
static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
uint64_t addr, uint32_t data)
{
return xc_hvm_inject_msi(xen_xc, dom, addr, data);
}
#endif
void destroy_hvm_domain(bool reboot);
@ -233,7 +82,7 @@ void destroy_hvm_domain(bool reboot);
void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
#ifdef HVM_PARAM_VMPORT_REGS_PFN
static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom,
xen_pfn_t *vmport_regs_pfn)
{
int rc;
@ -245,7 +94,7 @@ static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
return rc;
}
#else
static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom,
xen_pfn_t *vmport_regs_pfn)
{
return -ENOSYS;
@ -272,54 +121,54 @@ static inline int xen_get_vmport_regs_pfn(XenXC xc, domid_t dom,
typedef uint16_t ioservid_t;
static inline void xen_map_memory_section(XenXC xc, domid_t dom,
static inline void xen_map_memory_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
}
static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
static inline void xen_unmap_memory_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
}
static inline void xen_map_io_section(XenXC xc, domid_t dom,
static inline void xen_map_io_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
}
static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
static inline void xen_unmap_io_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
}
static inline void xen_map_pcidev(XenXC xc, domid_t dom,
static inline void xen_map_pcidev(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
PCIDevice *pci_dev)
{
}
static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
static inline void xen_unmap_pcidev(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
PCIDevice *pci_dev)
{
}
static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
static inline int xen_create_ioreq_server(xc_interface *xc, domid_t dom,
ioservid_t *ioservid)
{
return 0;
}
static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom,
static inline void xen_destroy_ioreq_server(xc_interface *xc, domid_t dom,
ioservid_t ioservid)
{
}
static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
static inline int xen_get_ioreq_server_info(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
xen_pfn_t *ioreq_pfn,
xen_pfn_t *bufioreq_pfn,
@ -356,7 +205,7 @@ static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
return 0;
}
static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
static inline int xen_set_ioreq_server_state(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
bool enable)
{
@ -366,7 +215,7 @@ static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
/* Xen 4.5 */
#else
static inline void xen_map_memory_section(XenXC xc, domid_t dom,
static inline void xen_map_memory_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
@ -379,7 +228,7 @@ static inline void xen_map_memory_section(XenXC xc, domid_t dom,
start_addr, end_addr);
}
static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
static inline void xen_unmap_memory_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
@ -392,7 +241,7 @@ static inline void xen_unmap_memory_section(XenXC xc, domid_t dom,
start_addr, end_addr);
}
static inline void xen_map_io_section(XenXC xc, domid_t dom,
static inline void xen_map_io_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
@ -405,7 +254,7 @@ static inline void xen_map_io_section(XenXC xc, domid_t dom,
start_addr, end_addr);
}
static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
static inline void xen_unmap_io_section(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
MemoryRegionSection *section)
{
@ -418,7 +267,7 @@ static inline void xen_unmap_io_section(XenXC xc, domid_t dom,
start_addr, end_addr);
}
static inline void xen_map_pcidev(XenXC xc, domid_t dom,
static inline void xen_map_pcidev(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
PCIDevice *pci_dev)
{
@ -430,7 +279,7 @@ static inline void xen_map_pcidev(XenXC xc, domid_t dom,
PCI_FUNC(pci_dev->devfn));
}
static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
static inline void xen_unmap_pcidev(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
PCIDevice *pci_dev)
{
@ -442,7 +291,7 @@ static inline void xen_unmap_pcidev(XenXC xc, domid_t dom,
PCI_FUNC(pci_dev->devfn));
}
static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
static inline int xen_create_ioreq_server(xc_interface *xc, domid_t dom,
ioservid_t *ioservid)
{
int rc = xc_hvm_create_ioreq_server(xc, dom, HVM_IOREQSRV_BUFIOREQ_ATOMIC,
@ -455,14 +304,14 @@ static inline int xen_create_ioreq_server(XenXC xc, domid_t dom,
return rc;
}
static inline void xen_destroy_ioreq_server(XenXC xc, domid_t dom,
static inline void xen_destroy_ioreq_server(xc_interface *xc, domid_t dom,
ioservid_t ioservid)
{
trace_xen_ioreq_server_destroy(ioservid);
xc_hvm_destroy_ioreq_server(xc, dom, ioservid);
}
static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
static inline int xen_get_ioreq_server_info(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
xen_pfn_t *ioreq_pfn,
xen_pfn_t *bufioreq_pfn,
@ -473,7 +322,7 @@ static inline int xen_get_ioreq_server_info(XenXC xc, domid_t dom,
bufioreq_evtchn);
}
static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
static inline int xen_set_ioreq_server_state(xc_interface *xc, domid_t dom,
ioservid_t ioservid,
bool enable)
{
@ -484,7 +333,7 @@ static inline int xen_set_ioreq_server_state(XenXC xc, domid_t dom,
#endif
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 460
static inline int xen_xc_domain_add_to_physmap(XenXC xch, uint32_t domid,
static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid,
unsigned int space,
unsigned long idx,
xen_pfn_t gpfn)
@ -492,7 +341,7 @@ static inline int xen_xc_domain_add_to_physmap(XenXC xch, uint32_t domid,
return xc_domain_add_to_physmap(xch, domid, space, idx, gpfn);
}
#else
static inline int xen_xc_domain_add_to_physmap(XenXC xch, uint32_t domid,
static inline int xen_xc_domain_add_to_physmap(xc_interface *xch, uint32_t domid,
unsigned int space,
unsigned long idx,
xen_pfn_t gpfn)
@ -507,14 +356,14 @@ static inline int xen_xc_domain_add_to_physmap(XenXC xch, uint32_t domid,
#ifdef CONFIG_XEN_PV_DOMAIN_BUILD
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 470
static inline int xen_domain_create(XenXC xc, uint32_t ssidref,
static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref,
xen_domain_handle_t handle, uint32_t flags,
uint32_t *pdomid)
{
return xc_domain_create(xc, ssidref, handle, flags, pdomid);
}
#else
static inline int xen_domain_create(XenXC xc, uint32_t ssidref,
static inline int xen_domain_create(xc_interface *xc, uint32_t ssidref,
xen_domain_handle_t handle, uint32_t flags,
uint32_t *pdomid)
{
@ -523,23 +372,4 @@ static inline int xen_domain_create(XenXC xc, uint32_t ssidref,
#endif
#endif
#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 471
#define xenforeignmemory_open(l, f) &xen_xc
static inline void *xenforeignmemory_map(XenXC *h, uint32_t dom,
int prot, size_t pages,
const xen_pfn_t arr[/*pages*/],
int err[/*pages*/])
{
if (err)
return xc_map_foreign_bulk(*h, dom, prot, arr, err, pages);
else
return xc_map_foreign_pages(*h, dom, prot, arr, pages);
}
#define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE)
#endif
#endif /* QEMU_HW_XEN_COMMON_H */

4
xen-common.c
View File

@ -114,8 +114,8 @@ static void xen_change_state_handler(void *opaque, int running,
static int xen_init(MachineState *ms)
{
xen_xc = xen_xc_interface_open(0, 0, 0);
if (xen_xc == XC_HANDLER_INITIAL_VALUE) {
xen_xc = xc_interface_open(0, 0, 0);
if (xen_xc == NULL) {
xen_be_printf(NULL, 0, "can't open xen interface\n");
return -1;
}

56
xen-hvm.c
View File

@ -67,17 +67,6 @@ struct shared_vmport_iopage {
typedef struct shared_vmport_iopage shared_vmport_iopage_t;
#endif
#if __XEN_LATEST_INTERFACE_VERSION__ < 0x0003020a
static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i)
{
return shared_page->vcpu_iodata[i].vp_eport;
}
static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu)
{
return &shared_page->vcpu_iodata[vcpu].vp_ioreq;
}
# define FMT_ioreq_size PRIx64
#else
static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i)
{
return shared_page->vcpu_ioreq[i].vp_eport;
@ -86,8 +75,6 @@ static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu)
{
return &shared_page->vcpu_ioreq[vcpu];
}
# define FMT_ioreq_size "u"
#endif
#define BUFFER_IO_MAX_DELAY 100
@ -169,7 +156,7 @@ int xen_is_pirq_msi(uint32_t msi_data)
void xen_hvm_inject_msi(uint64_t addr, uint32_t data)
{
xen_xc_hvm_inject_msi(xen_xc, xen_domid, addr, data);
xc_hvm_inject_msi(xen_xc, xen_domid, addr, data);
}
static void xen_suspend_notifier(Notifier *notifier, void *data)
@ -316,7 +303,6 @@ static hwaddr xen_phys_offset_to_gaddr(hwaddr start_addr,
return start_addr;
}
#if CONFIG_XEN_CTRL_INTERFACE_VERSION >= 340
static int xen_add_to_physmap(XenIOState *state,
hwaddr start_addr,
ram_addr_t size,
@ -451,24 +437,6 @@ static int xen_remove_from_physmap(XenIOState *state,
return 0;
}
#else
static int xen_add_to_physmap(XenIOState *state,
hwaddr start_addr,
ram_addr_t size,
MemoryRegion *mr,
hwaddr offset_within_region)
{
return -ENOSYS;
}
static int xen_remove_from_physmap(XenIOState *state,
hwaddr start_addr,
ram_addr_t size)
{
return -ENOSYS;
}
#endif
static void xen_set_memory(struct MemoryListener *listener,
MemoryRegionSection *section,
bool add)
@ -707,7 +675,7 @@ static ioreq_t *cpu_get_ioreq_from_shared_memory(XenIOState *state, int vcpu)
if (req->state != STATE_IOREQ_READY) {
DPRINTF("I/O request not ready: "
"%x, ptr: %x, port: %"PRIx64", "
"data: %"PRIx64", count: %" FMT_ioreq_size ", size: %" FMT_ioreq_size "\n",
"data: %"PRIx64", count: %u, size: %u\n",
req->state, req->data_is_ptr, req->addr,
req->data, req->count, req->size);
return NULL;
@ -1069,9 +1037,7 @@ static void cpu_handle_ioreq(void *opaque)
if (req->state != STATE_IOREQ_INPROCESS) {
fprintf(stderr, "Badness in I/O request ... not in service?!: "
"%x, ptr: %x, port: %"PRIx64", "
"data: %"PRIx64", count: %" FMT_ioreq_size
", size: %" FMT_ioreq_size
", type: %"FMT_ioreq_size"\n",
"data: %"PRIx64", count: %u, size: %u, type: %u\n",
req->state, req->data_is_ptr, req->addr,
req->data, req->count, req->size, req->type);
destroy_hvm_domain(false);
@ -1243,7 +1209,7 @@ void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory)
&ioreq_pfn, &bufioreq_pfn,
&bufioreq_evtchn);
if (rc < 0) {
error_report("failed to get ioreq server info: error %d handle=" XC_INTERFACE_FMT,
error_report("failed to get ioreq server info: error %d handle=%p",
errno, xen_xc);
goto err;
}
@ -1256,7 +1222,7 @@ void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory)
PROT_READ|PROT_WRITE,
1, &ioreq_pfn, NULL);
if (state->shared_page == NULL) {
error_report("map shared IO page returned error %d handle=" XC_INTERFACE_FMT,
error_report("map shared IO page returned error %d handle=%p",
errno, xen_xc);
goto err;
}
@ -1268,8 +1234,8 @@ void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory)
xenforeignmemory_map(xen_fmem, xen_domid, PROT_READ|PROT_WRITE,
1, &ioreq_pfn, NULL);
if (state->shared_vmport_page == NULL) {
error_report("map shared vmport IO page returned error %d handle="
XC_INTERFACE_FMT, errno, xen_xc);
error_report("map shared vmport IO page returned error %d handle=%p",
errno, xen_xc);
goto err;
}
} else if (rc != -ENOSYS) {
@ -1291,7 +1257,7 @@ void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory)
rc = xen_set_ioreq_server_state(xen_xc, xen_domid, state->ioservid, true);
if (rc < 0) {
error_report("failed to enable ioreq server info: error %d handle=" XC_INTERFACE_FMT,
error_report("failed to enable ioreq server info: error %d handle=%p",
errno, xen_xc);
goto err;
}
@ -1352,11 +1318,11 @@ err:
void destroy_hvm_domain(bool reboot)
{
XenXC xc_handle;
xc_interface *xc_handle;
int sts;
xc_handle = xen_xc_interface_open(0, 0, 0);
if (xc_handle == XC_HANDLER_INITIAL_VALUE) {
xc_handle = xc_interface_open(0, 0, 0);
if (xc_handle == NULL) {
fprintf(stderr, "Cannot acquire xenctrl handle\n");
} else {
sts = xc_domain_shutdown(xc_handle, xen_domid,