* GNU GPL, version 2 or (at your option) any later version.
*/
-#include <sys/mman.h>
+#include "qemu/osdep.h"
+#include "cpu.h"
#include "hw/pci/pci.h"
#include "hw/i386/pc.h"
+#include "hw/i386/apic-msidef.h"
#include "hw/xen/xen_common.h"
#include "hw/xen/xen_backend.h"
#include "qmp-commands.h"
#include "sysemu/char.h"
+#include "qemu/error-report.h"
#include "qemu/range.h"
#include "sysemu/xen-mapcache.h"
#include "trace.h"
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;
{
return &shared_page->vcpu_ioreq[vcpu];
}
-# define FMT_ioreq_size "u"
-#endif
#define BUFFER_IO_MAX_DELAY 100
/* evtchn local port for buffered io */
evtchn_port_t bufioreq_local_port;
/* the evtchn fd for polling */
- XenEvtchn xce_handle;
+ xenevtchn_handle *xce_handle;
/* which vcpu we are serving */
int send_vcpu;
}
}
+int xen_is_pirq_msi(uint32_t msi_data)
+{
+ /* If vector is 0, the msi is remapped into a pirq, passed as
+ * dest_id.
+ */
+ return ((msi_data & MSI_DATA_VECTOR_MASK) >> MSI_DATA_VECTOR_SHIFT) == 0;
+}
+
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)
/* Memory Ops */
-static void xen_ram_init(ram_addr_t *below_4g_mem_size,
- ram_addr_t *above_4g_mem_size,
+static void xen_ram_init(PCMachineState *pcms,
ram_addr_t ram_size, MemoryRegion **ram_memory_p)
{
MemoryRegion *sysmem = get_system_memory();
/* Handle the machine opt max-ram-below-4g. It is basically doing
* min(xen limit, user limit).
*/
+ if (!user_lowmem) {
+ user_lowmem = HVM_BELOW_4G_RAM_END; /* default */
+ }
if (HVM_BELOW_4G_RAM_END <= user_lowmem) {
user_lowmem = HVM_BELOW_4G_RAM_END;
}
if (ram_size >= user_lowmem) {
- *above_4g_mem_size = ram_size - user_lowmem;
- *below_4g_mem_size = user_lowmem;
+ pcms->above_4g_mem_size = ram_size - user_lowmem;
+ pcms->below_4g_mem_size = user_lowmem;
} else {
- *above_4g_mem_size = 0;
- *below_4g_mem_size = ram_size;
+ pcms->above_4g_mem_size = 0;
+ pcms->below_4g_mem_size = ram_size;
}
- if (!*above_4g_mem_size) {
+ if (!pcms->above_4g_mem_size) {
block_len = ram_size;
} else {
/*
* Xen does not allocate the memory continuously, it keeps a
* hole of the size computed above or passed in.
*/
- block_len = (1ULL << 32) + *above_4g_mem_size;
+ block_len = (1ULL << 32) + pcms->above_4g_mem_size;
}
memory_region_init_ram(&ram_memory, NULL, "xen.ram", block_len,
- &error_abort);
+ &error_fatal);
*ram_memory_p = &ram_memory;
vmstate_register_ram_global(&ram_memory);
*/
memory_region_init_alias(&ram_lo, NULL, "xen.ram.lo",
&ram_memory, 0xc0000,
- *below_4g_mem_size - 0xc0000);
+ pcms->below_4g_mem_size - 0xc0000);
memory_region_add_subregion(sysmem, 0xc0000, &ram_lo);
- if (*above_4g_mem_size > 0) {
+ if (pcms->above_4g_mem_size > 0) {
memory_region_init_alias(&ram_hi, NULL, "xen.ram.hi",
&ram_memory, 0x100000000ULL,
- *above_4g_mem_size);
+ pcms->above_4g_mem_size);
memory_region_add_subregion(sysmem, 0x100000000ULL, &ram_hi);
}
}
-void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr)
+void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr,
+ Error **errp)
{
unsigned long nr_pfn;
xen_pfn_t *pfn_list;
}
if (xc_domain_populate_physmap_exact(xen_xc, xen_domid, nr_pfn, 0, 0, pfn_list)) {
- hw_error("xen: failed to populate ram at " RAM_ADDR_FMT, ram_addr);
+ error_setg(errp, "xen: failed to populate ram at " RAM_ADDR_FMT,
+ ram_addr);
}
g_free(pfn_list);
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,
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)
MemoryRegionSection *section)
{
XenIOState *state = container_of(listener, XenIOState, io_listener);
+ MemoryRegion *mr = section->mr;
- memory_region_ref(section->mr);
+ if (mr->ops == &unassigned_io_ops) {
+ return;
+ }
+
+ memory_region_ref(mr);
xen_map_io_section(xen_xc, xen_domid, state->ioservid, section);
}
MemoryRegionSection *section)
{
XenIOState *state = container_of(listener, XenIOState, io_listener);
+ MemoryRegion *mr = section->mr;
+
+ if (mr->ops == &unassigned_io_ops) {
+ return;
+ }
xen_unmap_io_section(xen_xc, xen_domid, state->ioservid, section);
- memory_region_unref(section->mr);
+ memory_region_unref(mr);
}
static void xen_device_realize(DeviceListener *listener,
{
hwaddr npages = size >> TARGET_PAGE_BITS;
const int width = sizeof(unsigned long) * 8;
- unsigned long bitmap[(npages + width - 1) / width];
+ unsigned long bitmap[DIV_ROUND_UP(npages, width)];
int rc, i, j;
const XenPhysmap *physmap = NULL;
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;
int i;
evtchn_port_t port;
- port = xc_evtchn_pending(state->xce_handle);
+ port = xenevtchn_pending(state->xce_handle);
if (port == state->bufioreq_local_port) {
timer_mod(state->buffered_io_timer,
BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
}
/* unmask the wanted port again */
- xc_evtchn_unmask(state->xce_handle, port);
+ xenevtchn_unmask(state->xce_handle, port);
/* get the io packet from shared memory */
state->send_vcpu = i;
return NULL;
}
-static uint32_t do_inp(pio_addr_t addr, unsigned long size)
+static uint32_t do_inp(uint32_t addr, unsigned long size)
{
switch (size) {
case 1:
case 4:
return cpu_inl(addr);
default:
- hw_error("inp: bad size: %04"FMT_pioaddr" %lx", addr, size);
+ hw_error("inp: bad size: %04x %lx", addr, size);
}
}
-static void do_outp(pio_addr_t addr,
+static void do_outp(uint32_t addr,
unsigned long size, uint32_t val)
{
switch (size) {
case 4:
return cpu_outl(addr, val);
default:
- hw_error("outp: bad size: %04"FMT_pioaddr" %lx", addr, size);
+ hw_error("outp: bad size: %04x %lx", addr, size);
}
}
BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
} else {
timer_del(state->buffered_io_timer);
- xc_evtchn_unmask(state->xce_handle, state->bufioreq_local_port);
+ xenevtchn_unmask(state->xce_handle, state->bufioreq_local_port);
}
}
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);
}
req->state = STATE_IORESP_READY;
- xc_evtchn_notify(state->xce_handle, state->ioreq_local_port[state->send_vcpu]);
+ xenevtchn_notify(state->xce_handle,
+ state->ioreq_local_port[state->send_vcpu]);
}
}
{
int evtchn_fd = -1;
- if (state->xce_handle != XC_HANDLER_INITIAL_VALUE) {
- evtchn_fd = xc_evtchn_fd(state->xce_handle);
+ if (state->xce_handle != NULL) {
+ evtchn_fd = xenevtchn_fd(state->xce_handle);
}
state->buffered_io_timer = timer_new_ms(QEMU_CLOCK_REALTIME, handle_buffered_io,
{
XenIOState *state = container_of(n, XenIOState, exit);
- xc_evtchn_close(state->xce_handle);
+ xenevtchn_close(state->xce_handle);
xs_daemon_close(state->xenstore);
}
xc_set_hvm_param(xen_xc, xen_domid, HVM_PARAM_ACPI_S_STATE, 0);
}
-/* return 0 means OK, or -1 means critical issue -- will exit(1) */
-int xen_hvm_init(ram_addr_t *below_4g_mem_size, ram_addr_t *above_4g_mem_size,
- MemoryRegion **ram_memory)
+void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory)
{
int i, rc;
xen_pfn_t ioreq_pfn;
state = g_malloc0(sizeof (XenIOState));
- state->xce_handle = xen_xc_evtchn_open(NULL, 0);
- if (state->xce_handle == XC_HANDLER_INITIAL_VALUE) {
+ state->xce_handle = xenevtchn_open(NULL, 0);
+ if (state->xce_handle == NULL) {
perror("xen: event channel open");
- return -1;
+ goto err;
}
state->xenstore = xs_daemon_open();
if (state->xenstore == NULL) {
perror("xen: xenstore open");
- return -1;
+ goto err;
}
- rc = xen_create_ioreq_server(xen_xc, xen_domid, &state->ioservid);
- if (rc < 0) {
- perror("xen: ioreq server create");
- return -1;
- }
+ xen_create_ioreq_server(xen_xc, xen_domid, &state->ioservid);
state->exit.notify = xen_exit_notifier;
qemu_add_exit_notifier(&state->exit);
&ioreq_pfn, &bufioreq_pfn,
&bufioreq_evtchn);
if (rc < 0) {
- hw_error("failed to get ioreq server info: error %d handle=" XC_INTERFACE_FMT,
- errno, xen_xc);
+ error_report("failed to get ioreq server info: error %d handle=%p",
+ errno, xen_xc);
+ goto err;
}
DPRINTF("shared page at pfn %lx\n", ioreq_pfn);
DPRINTF("buffered io page at pfn %lx\n", bufioreq_pfn);
DPRINTF("buffered io evtchn is %x\n", bufioreq_evtchn);
- state->shared_page = xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE,
- PROT_READ|PROT_WRITE, ioreq_pfn);
+ state->shared_page = xenforeignmemory_map(xen_fmem, xen_domid,
+ PROT_READ|PROT_WRITE,
+ 1, &ioreq_pfn, NULL);
if (state->shared_page == NULL) {
- hw_error("map shared IO page returned error %d handle=" XC_INTERFACE_FMT,
- errno, xen_xc);
+ error_report("map shared IO page returned error %d handle=%p",
+ errno, xen_xc);
+ goto err;
}
rc = xen_get_vmport_regs_pfn(xen_xc, xen_domid, &ioreq_pfn);
if (!rc) {
DPRINTF("shared vmport page at pfn %lx\n", ioreq_pfn);
state->shared_vmport_page =
- xc_map_foreign_range(xen_xc, xen_domid, XC_PAGE_SIZE,
- PROT_READ|PROT_WRITE, ioreq_pfn);
+ xenforeignmemory_map(xen_fmem, xen_domid, PROT_READ|PROT_WRITE,
+ 1, &ioreq_pfn, NULL);
if (state->shared_vmport_page == NULL) {
- hw_error("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) {
- hw_error("get vmport regs pfn returned error %d, rc=%d", errno, rc);
+ error_report("get vmport regs pfn returned error %d, rc=%d",
+ errno, rc);
+ goto err;
}
- state->buffered_io_page = xc_map_foreign_range(xen_xc, xen_domid,
- XC_PAGE_SIZE,
+ state->buffered_io_page = xenforeignmemory_map(xen_fmem, xen_domid,
PROT_READ|PROT_WRITE,
- bufioreq_pfn);
+ 1, &bufioreq_pfn, NULL);
if (state->buffered_io_page == NULL) {
- hw_error("map buffered IO page returned error %d", errno);
+ error_report("map buffered IO page returned error %d", errno);
+ goto err;
}
/* Note: cpus is empty at this point in init */
rc = xen_set_ioreq_server_state(xen_xc, xen_domid, state->ioservid, true);
if (rc < 0) {
- hw_error("failed to enable ioreq server info: error %d handle=" XC_INTERFACE_FMT,
- errno, xen_xc);
+ error_report("failed to enable ioreq server info: error %d handle=%p",
+ errno, xen_xc);
+ goto err;
}
state->ioreq_local_port = g_malloc0(max_cpus * sizeof (evtchn_port_t));
/* FIXME: how about if we overflow the page here? */
for (i = 0; i < max_cpus; i++) {
- rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid,
+ rc = xenevtchn_bind_interdomain(state->xce_handle, xen_domid,
xen_vcpu_eport(state->shared_page, i));
if (rc == -1) {
- fprintf(stderr, "shared evtchn %d bind error %d\n", i, errno);
- return -1;
+ error_report("shared evtchn %d bind error %d", i, errno);
+ goto err;
}
state->ioreq_local_port[i] = rc;
}
- rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid,
+ rc = xenevtchn_bind_interdomain(state->xce_handle, xen_domid,
bufioreq_evtchn);
if (rc == -1) {
- fprintf(stderr, "buffered evtchn bind error %d\n", errno);
- return -1;
+ error_report("buffered evtchn bind error %d", errno);
+ goto err;
}
state->bufioreq_local_port = rc;
/* Init RAM management */
xen_map_cache_init(xen_phys_offset_to_gaddr, state);
- xen_ram_init(below_4g_mem_size, above_4g_mem_size, ram_size, ram_memory);
+ xen_ram_init(pcms, ram_size, ram_memory);
qemu_add_vm_change_state_handler(xen_hvm_change_state_handler, state);
/* Initialize backend core & drivers */
if (xen_be_init() != 0) {
- fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
- return -1;
+ error_report("xen backend core setup failed");
+ goto err;
}
- xen_be_register("console", &xen_console_ops);
- xen_be_register("vkbd", &xen_kbdmouse_ops);
- xen_be_register("qdisk", &xen_blkdev_ops);
+ xen_be_register_common();
xen_read_physmap(state);
+ return;
- return 0;
+err:
+ error_report("xen hardware virtual machine initialisation failed");
+ exit(1);
}
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,
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