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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Merged.
# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 64f11b0e2e7d0c53320c4dc6e983fcb144258c43
# Parent f43f094467f6f401ec9f54f1855cf142adcef92f
# Parent 2d87e274797318ab3d1abe04f6007ee7f4df7d70
Merged.
diff -r f43f094467f6 -r 64f11b0e2e7d
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c Sat Mar 4
18:15:36 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c Sat Mar 4
18:16:36 2006
@@ -948,9 +948,25 @@
}
+static struct file_operations xsd_kva_fops;
static struct proc_dir_entry *xsd_kva_intf;
static struct proc_dir_entry *xsd_port_intf;
+static int xsd_kva_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ size_t size = vma->vm_end - vma->vm_start;
+
+ if ((size > PAGE_SIZE) || (vma->vm_pgoff != 0))
+ return -EINVAL;
+
+ vma->vm_pgoff = mfn_to_pfn(xen_start_info->store_mfn);
+
+ if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+ size, vma->vm_page_prot))
+ return -EAGAIN;
+
+ return 0;
+}
static int xsd_kva_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
@@ -1024,9 +1040,14 @@
xen_start_info->store_evtchn = op.u.alloc_unbound.port;
/* And finally publish the above info in /proc/xen */
- if((xsd_kva_intf = create_xen_proc_entry("xsd_kva", 0400)))
+ if ((xsd_kva_intf = create_xen_proc_entry("xsd_kva", 0400))) {
+ memcpy(&xsd_kva_fops, xsd_kva_intf->proc_fops,
+ sizeof(xsd_kva_fops));
+ xsd_kva_fops.mmap = xsd_kva_mmap;
+ xsd_kva_intf->proc_fops = &xsd_kva_fops;
xsd_kva_intf->read_proc = xsd_kva_read;
- if((xsd_port_intf = create_xen_proc_entry("xsd_port", 0400)))
+ }
+ if ((xsd_port_intf = create_xen_proc_entry("xsd_port", 0400)))
xsd_port_intf->read_proc = xsd_port_read;
}
diff -r f43f094467f6 -r 64f11b0e2e7d tools/firmware/vmxassist/setup.c
--- a/tools/firmware/vmxassist/setup.c Sat Mar 4 18:15:36 2006
+++ b/tools/firmware/vmxassist/setup.c Sat Mar 4 18:16:36 2006
@@ -123,6 +123,8 @@
void
setup_gdt(void)
{
+ unsigned long long addr = (unsigned long long) &tss;
+
/* setup task state segment */
memset(&tss, 0, sizeof(tss));
tss.ss0 = DATA_SELECTOR;
@@ -130,8 +132,7 @@
tss.iomap_base = offsetof(struct tss, iomap);
/* initialize gdt's tss selector */
- unsigned long long addr = (unsigned long long) &tss;
- gdt[TSS_SELECTOR / sizeof(gdt[0])] |=
+ gdt[TSS_SELECTOR / sizeof(gdt[0])] |=
((addr & 0xFF000000) << (56-24)) |
((addr & 0x00FF0000) << (32-16)) |
((addr & 0x0000FFFF) << (16)) |
diff -r f43f094467f6 -r 64f11b0e2e7d tools/ioemu/audio/audio.c
--- a/tools/ioemu/audio/audio.c Sat Mar 4 18:15:36 2006
+++ b/tools/ioemu/audio/audio.c Sat Mar 4 18:16:36 2006
@@ -713,7 +713,7 @@
delta = now - sw->old_ticks;
bytes = (delta * sw->bytes_per_second) / ticks_per_sec;
if (delta < 0) {
- dolog ("whoops delta(<0)=%lld\n", delta);
+ dolog ("whoops delta(<0)=%"PRId64"\n", delta);
return 0;
}
diff -r f43f094467f6 -r 64f11b0e2e7d tools/ioemu/hw/i8254.c
--- a/tools/ioemu/hw/i8254.c Sat Mar 4 18:15:36 2006
+++ b/tools/ioemu/hw/i8254.c Sat Mar 4 18:16:36 2006
@@ -249,7 +249,7 @@
req->u.data |= (irq << 16);
req->u.data |= (hvm_channel << 24);
req->u.data |= ((s->rw_mode) << 26);
- fprintf(logfile, "HVM_PIT:pass info 0x%llx to HV!\n", req->u.data);
+ fprintf(logfile, "HVM_PIT:pass info 0x%"PRIx64" to HV!\n", req->u.data);
}
static inline void pit_load_count(PITChannelState *s, int val)
diff -r f43f094467f6 -r 64f11b0e2e7d tools/ioemu/monitor.c
--- a/tools/ioemu/monitor.c Sat Mar 4 18:15:36 2006
+++ b/tools/ioemu/monitor.c Sat Mar 4 18:16:36 2006
@@ -676,19 +676,19 @@
break;
case '-':
{
- int has_option;
+ long has_option;
/* option */
-
+
c = *typestr++;
if (c == '\0')
goto bad_type;
- while (isspace(*p))
+ while (isspace(*p))
p++;
has_option = 0;
if (*p == '-') {
p++;
if (*p != c) {
- term_printf("%s: unsupported option -%c\n",
+ term_printf("%s: unsupported option -%c\n",
cmdname, *p);
goto fail;
}
diff -r f43f094467f6 -r 64f11b0e2e7d tools/ioemu/target-i386-dm/helper2.c
--- a/tools/ioemu/target-i386-dm/helper2.c Sat Mar 4 18:15:36 2006
+++ b/tools/ioemu/target-i386-dm/helper2.c Sat Mar 4 18:16:36 2006
@@ -138,11 +138,11 @@
req = &(shared_page->vcpu_iodata[i].vp_ioreq);
term_printf("vcpu %d: event port %d\n",
i, shared_page->vcpu_iodata[i].vp_eport);
- term_printf(" req state: %x, pvalid: %x, addr: %llx, "
- "data: %llx, count: %llx, size: %llx\n",
+ term_printf(" req state: %x, pvalid: %x, addr: %"PRIx64", "
+ "data: %"PRIx64", count: %"PRIx64", size: %"PRIx64"\n",
req->state, req->pdata_valid, req->addr,
req->u.data, req->count, req->size);
- term_printf(" IO totally occurred on this vcpu: %llx\n",
+ term_printf(" IO totally occurred on this vcpu: %"PRIx64"\n",
req->io_count);
}
}
@@ -158,8 +158,8 @@
return req;
fprintf(logfile, "False I/O request ... in-service already: "
- "%x, pvalid: %x, port: %llx, "
- "data: %llx, count: %llx, size: %llx\n",
+ "%x, pvalid: %x, port: %"PRIx64", "
+ "data: %"PRIx64", count: %"PRIx64", size: %"PRIx64"\n",
req->state, req->pdata_valid, req->addr,
req->u.data, req->count, req->size);
return NULL;
@@ -460,12 +460,6 @@
FD_ZERO(&wakeup_rfds);
FD_SET(evtchn_fd, &wakeup_rfds);
-#if __WORDSIZE == 32
-#define ULONGLONG_MAX 0xffffffffffffffffULL
-#else
-#define ULONGLONG_MAX ULONG_MAX
-#endif
-
tun_receive_handler(&rfds);
if ( FD_ISSET(evtchn_fd, &rfds) ) {
cpu_handle_ioreq(env);
diff -r f43f094467f6 -r 64f11b0e2e7d tools/ioemu/vl.c
--- a/tools/ioemu/vl.c Sat Mar 4 18:15:36 2006
+++ b/tools/ioemu/vl.c Sat Mar 4 18:16:36 2006
@@ -2672,6 +2672,7 @@
char qemu_dm_logfilename[64];
const char *loadvm = NULL;
unsigned long nr_pages, extra_pages, ram_pages, *page_array;
+ xc_dominfo_t info;
extern void *shared_page;
extern void *shared_vram;
@@ -3132,7 +3133,7 @@
ram_pages = ram_size/PAGE_SIZE;
#if defined(__i386__) || defined(__x86_64__)
- vgaram_pages = (vga_ram_size -1)/PAGE_SIZE + 1;
+ vgaram_pages = (vga_ram_size -1) / PAGE_SIZE + 1;
free_pages = vgaram_pages / L1_PAGETABLE_ENTRIES;
extra_pages = vgaram_pages + free_pages;
#else
@@ -3142,7 +3143,6 @@
xc_handle = xc_interface_open();
- xc_dominfo_t info;
xc_domain_getinfo(xc_handle, domid, 1, &info);
nr_pages = info.nr_pages + extra_pages;
diff -r f43f094467f6 -r 64f11b0e2e7d tools/xenstore/hashtable.c
--- a/tools/xenstore/hashtable.c Sat Mar 4 18:15:36 2006
+++ b/tools/xenstore/hashtable.c Sat Mar 4 18:16:36 2006
@@ -6,6 +6,7 @@
#include <stdio.h>
#include <string.h>
#include <math.h>
+#include <stdint.h>
/*
Credit for primes table: Aaron Krowne
@@ -22,7 +23,7 @@
805306457, 1610612741
};
const unsigned int prime_table_length = sizeof(primes)/sizeof(primes[0]);
-const float max_load_factor = 0.65;
+const unsigned int max_load_factor = 65; /* percentage */
/*****************************************************************************/
struct hashtable *
@@ -48,7 +49,7 @@
h->entrycount = 0;
h->hashfn = hashf;
h->eqfn = eqf;
- h->loadlimit = (unsigned int) ceil(size * max_load_factor);
+ h->loadlimit = (unsigned int)(((uint64_t)size * max_load_factor) / 100);
return h;
}
@@ -121,7 +122,8 @@
}
}
h->tablelength = newsize;
- h->loadlimit = (unsigned int) ceil(newsize * max_load_factor);
+ h->loadlimit = (unsigned int)
+ (((uint64_t)newsize * max_load_factor) / 100);
return -1;
}
diff -r f43f094467f6 -r 64f11b0e2e7d tools/xenstore/xenstored_domain.c
--- a/tools/xenstore/xenstored_domain.c Sat Mar 4 18:15:36 2006
+++ b/tools/xenstore/xenstored_domain.c Sat Mar 4 18:16:36 2006
@@ -27,7 +27,6 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#include <paths.h>
//#define DEBUG
#include "utils.h"
@@ -466,21 +465,8 @@
{
int rc, fd;
evtchn_port_t port;
- unsigned long kva;
char str[20];
struct domain *dom0;
-
- fd = open(XENSTORED_PROC_KVA, O_RDONLY);
- if (fd == -1)
- return -1;
-
- rc = read(fd, str, sizeof(str));
- if (rc == -1)
- goto outfd;
- str[rc] = '\0';
- kva = strtoul(str, NULL, 0);
-
- close(fd);
fd = open(XENSTORED_PROC_PORT, O_RDONLY);
if (fd == -1)
@@ -496,12 +482,12 @@
dom0 = new_domain(NULL, 0, port);
- fd = open(_PATH_KMEM, O_RDWR);
+ fd = open(XENSTORED_PROC_KVA, O_RDWR);
if (fd == -1)
return -1;
dom0->interface = mmap(NULL, getpagesize(), PROT_READ|PROT_WRITE,
- MAP_SHARED, fd, kva);
+ MAP_SHARED, fd, 0);
if (dom0->interface == MAP_FAILED)
goto outfd;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/ia64/xen/dom0_ops.c Sat Mar 4 18:16:36 2006
@@ -16,10 +16,11 @@
#include <asm/pdb.h>
#include <xen/trace.h>
#include <xen/console.h>
+#include <xen/guest_access.h>
#include <public/sched_ctl.h>
#include <asm/vmx.h>
-long arch_do_dom0_op(dom0_op_t *op, dom0_op_t *u_dom0_op)
+long arch_do_dom0_op(dom0_op_t *op, GUEST_HANDLE(dom0_op_t) u_dom0_op)
{
long ret = 0;
@@ -64,7 +65,7 @@
put_domain(d);
- copy_to_user(u_dom0_op, op, sizeof(*op));
+ copy_to_guest(u_dom0_op, op, 1);
}
break;
@@ -74,7 +75,6 @@
int n,j;
int num = op->u.getpageframeinfo2.num;
domid_t dom = op->u.getpageframeinfo2.domain;
- unsigned long *s_ptr = (unsigned long*) op->u.getpageframeinfo2.array;
struct domain *d;
unsigned long *l_arr;
ret = -ESRCH;
@@ -95,7 +95,8 @@
{
int k = ((num-n)>GPF2_BATCH)?GPF2_BATCH:(num-n);
- if ( copy_from_user(l_arr, &s_ptr[n], k*sizeof(unsigned long)) )
+ if ( copy_from_guest_offset(l_arr, op->u.getpageframeinfo2.array,
+ n, k) )
{
ret = -EINVAL;
break;
@@ -135,7 +136,8 @@
}
- if ( copy_to_user(&s_ptr[n], l_arr, k*sizeof(unsigned long)) )
+ if ( copy_to_guest_offset(op->u.getpageframeinfo2.array,
+ n, l_arr, k) )
{
ret = -EINVAL;
break;
@@ -160,7 +162,6 @@
unsigned long start_page = op->u.getmemlist.max_pfns >> 32;
unsigned long nr_pages = op->u.getmemlist.max_pfns & 0xffffffff;
unsigned long mfn;
- unsigned long *buffer = op->u.getmemlist.buffer;
ret = -EINVAL;
if ( d != NULL )
@@ -180,16 +181,16 @@
{
mfn = gmfn_to_mfn_foreign(d, i);
- if ( put_user(mfn, buffer) )
+ if ( copy_to_guest_offset(op->u.getmemlist.buffer,
+ i - start_page, &mfn, 1) )
{
ret = -EFAULT;
break;
}
- buffer++;
}
op->u.getmemlist.num_pfns = i - start_page;
- copy_to_user(u_dom0_op, op, sizeof(*op));
+ copy_to_guest(u_dom0_op, op, 1);
put_domain(d);
}
@@ -211,7 +212,7 @@
memset(pi->hw_cap, 0, sizeof(pi->hw_cap));
//memcpy(pi->hw_cap, boot_cpu_data.x86_capability, NCAPINTS*4);
ret = 0;
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/x86/dom0_ops.c
--- a/xen/arch/x86/dom0_ops.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/x86/dom0_ops.c Sat Mar 4 18:16:36 2006
@@ -10,6 +10,7 @@
#include <xen/types.h>
#include <xen/lib.h>
#include <xen/mm.h>
+#include <xen/guest_access.h>
#include <public/dom0_ops.h>
#include <xen/sched.h>
#include <xen/event.h>
@@ -48,7 +49,7 @@
(void)rdmsr_safe(msr_addr, msr_lo, msr_hi);
}
-long arch_do_dom0_op(struct dom0_op *op, struct dom0_op *u_dom0_op)
+long arch_do_dom0_op(struct dom0_op *op, GUEST_HANDLE(dom0_op_t) u_dom0_op)
{
long ret = 0;
@@ -75,7 +76,7 @@
op->u.msr.out1 = msr_lo;
op->u.msr.out2 = msr_hi;
- copy_to_user(u_dom0_op, op, sizeof(*op));
+ copy_to_guest(u_dom0_op, op, 1);
}
ret = 0;
}
@@ -90,7 +91,7 @@
{
ret = shadow_mode_control(d, &op->u.shadow_control);
put_domain(d);
- copy_to_user(u_dom0_op, op, sizeof(*op));
+ copy_to_guest(u_dom0_op, op, 1);
}
}
break;
@@ -102,10 +103,11 @@
op->u.add_memtype.nr_mfns,
op->u.add_memtype.type,
1);
- if (ret > 0)
- {
- (void)__put_user(0, &u_dom0_op->u.add_memtype.handle);
- (void)__put_user(ret, &u_dom0_op->u.add_memtype.reg);
+ if ( ret > 0 )
+ {
+ op->u.add_memtype.handle = 0;
+ op->u.add_memtype.reg = ret;
+ (void)copy_to_guest(u_dom0_op, op, 1);
ret = 0;
}
}
@@ -136,9 +138,10 @@
if ( op->u.read_memtype.reg < num_var_ranges )
{
mtrr_if->get(op->u.read_memtype.reg, &mfn, &nr_mfns, &type);
- (void)__put_user(mfn, &u_dom0_op->u.read_memtype.mfn);
- (void)__put_user(nr_mfns, &u_dom0_op->u.read_memtype.nr_mfns);
- (void)__put_user(type, &u_dom0_op->u.read_memtype.type);
+ op->u.read_memtype.mfn = mfn;
+ op->u.read_memtype.nr_mfns = nr_mfns;
+ op->u.read_memtype.type = type;
+ (void)copy_to_guest(u_dom0_op, op, 1);
ret = 0;
}
}
@@ -147,7 +150,7 @@
case DOM0_MICROCODE:
{
extern int microcode_update(void *buf, unsigned long len);
- ret = microcode_update(op->u.microcode.data, op->u.microcode.length);
+ ret = microcode_update(op->u.microcode.data.p, op->u.microcode.length);
}
break;
@@ -195,7 +198,7 @@
memset(pi->hw_cap, 0, sizeof(pi->hw_cap));
memcpy(pi->hw_cap, boot_cpu_data.x86_capability, NCAPINTS*4);
ret = 0;
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -245,7 +248,7 @@
put_domain(d);
- copy_to_user(u_dom0_op, op, sizeof(*op));
+ copy_to_guest(u_dom0_op, op, 1);
}
break;
@@ -255,7 +258,6 @@
int n,j;
int num = op->u.getpageframeinfo2.num;
domid_t dom = op->u.getpageframeinfo2.domain;
- unsigned long *s_ptr = (unsigned long*) op->u.getpageframeinfo2.array;
struct domain *d;
unsigned long *l_arr;
ret = -ESRCH;
@@ -277,7 +279,8 @@
{
int k = ((num-n)>GPF2_BATCH)?GPF2_BATCH:(num-n);
- if ( copy_from_user(l_arr, &s_ptr[n], k*sizeof(unsigned long)) )
+ if ( copy_from_guest_offset(l_arr, op->u.getpageframeinfo2.array,
+ n, k) )
{
ret = -EINVAL;
break;
@@ -320,7 +323,8 @@
}
- if ( copy_to_user(&s_ptr[n], l_arr, k*sizeof(unsigned long)) )
+ if ( copy_to_guest_offset(op->u.getpageframeinfo2.array,
+ n, l_arr, k) )
{
ret = -EINVAL;
break;
@@ -341,7 +345,6 @@
struct domain *d = find_domain_by_id(op->u.getmemlist.domain);
unsigned long max_pfns = op->u.getmemlist.max_pfns;
unsigned long mfn;
- unsigned long *buffer = op->u.getmemlist.buffer;
struct list_head *list_ent;
ret = -EINVAL;
@@ -353,19 +356,20 @@
list_ent = d->page_list.next;
for ( i = 0; (i < max_pfns) && (list_ent != &d->page_list); i++ )
{
- mfn = page_to_mfn(list_entry(list_ent, struct page_info,
list));
- if ( put_user(mfn, buffer) )
+ mfn = page_to_mfn(list_entry(
+ list_ent, struct page_info, list));
+ if ( copy_to_guest_offset(op->u.getmemlist.buffer,
+ i, &mfn, 1) )
{
ret = -EFAULT;
break;
}
- buffer++;
list_ent = mfn_to_page(mfn)->list.next;
}
spin_unlock(&d->page_alloc_lock);
op->u.getmemlist.num_pfns = i;
- copy_to_user(u_dom0_op, op, sizeof(*op));
+ copy_to_guest(u_dom0_op, op, 1);
put_domain(d);
}
@@ -401,13 +405,12 @@
entry.start = e820.map[i].addr;
entry.end = e820.map[i].addr + e820.map[i].size;
entry.is_ram = (e820.map[i].type == E820_RAM);
- (void)copy_to_user(
- &op->u.physical_memory_map.memory_map[i],
- &entry, sizeof(entry));
+ (void)copy_to_guest_offset(
+ op->u.physical_memory_map.memory_map, i, &entry, 1);
}
op->u.physical_memory_map.nr_map_entries = i;
- (void)copy_to_user(u_dom0_op, op, sizeof(*op));
+ (void)copy_to_guest(u_dom0_op, op, 1);
}
break;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/x86/mm.c Sat Mar 4 18:16:36 2006
@@ -2788,7 +2788,7 @@
}
-long arch_memory_op(int op, guest_handle(void) arg)
+long arch_memory_op(int op, GUEST_HANDLE(void) arg)
{
struct xen_reserved_phys_area xrpa;
unsigned long pfn;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/x86/shadow32.c
--- a/xen/arch/x86/shadow32.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/x86/shadow32.c Sat Mar 4 18:16:36 2006
@@ -29,6 +29,7 @@
#include <xen/event.h>
#include <xen/sched.h>
#include <xen/trace.h>
+#include <xen/guest_access.h>
#define MFN_PINNED(_x) (mfn_to_page(_x)->u.inuse.type_info & PGT_pinned)
#define va_to_l1mfn(_ed, _va) \
@@ -1508,14 +1509,14 @@
d->arch.shadow_fault_count = 0;
d->arch.shadow_dirty_count = 0;
- if ( (sc->dirty_bitmap == NULL) ||
+ if ( guest_handle_is_null(sc->dirty_bitmap) ||
(d->arch.shadow_dirty_bitmap == NULL) )
{
rc = -EINVAL;
break;
}
- if(sc->pages > d->arch.shadow_dirty_bitmap_size)
+ if ( sc->pages > d->arch.shadow_dirty_bitmap_size )
sc->pages = d->arch.shadow_dirty_bitmap_size;
#define chunk (8*1024) /* Transfer and clear in 1kB chunks for L1 cache. */
@@ -1524,10 +1525,10 @@
int bytes = ((((sc->pages - i) > chunk) ?
chunk : (sc->pages - i)) + 7) / 8;
- if (copy_to_user(
- sc->dirty_bitmap + (i/(8*sizeof(unsigned long))),
- d->arch.shadow_dirty_bitmap +(i/(8*sizeof(unsigned long))),
- bytes))
+ if ( copy_to_guest_offset(
+ sc->dirty_bitmap, i/(8*sizeof(unsigned long)),
+ d->arch.shadow_dirty_bitmap +(i/(8*sizeof(unsigned long))),
+ (bytes+sizeof(unsigned long)-1) / sizeof(unsigned long)) )
{
rc = -EINVAL;
break;
@@ -1544,18 +1545,20 @@
sc->stats.fault_count = d->arch.shadow_fault_count;
sc->stats.dirty_count = d->arch.shadow_dirty_count;
- if ( (sc->dirty_bitmap == NULL) ||
+ if ( guest_handle_is_null(sc->dirty_bitmap) ||
(d->arch.shadow_dirty_bitmap == NULL) )
{
rc = -EINVAL;
break;
}
- if(sc->pages > d->arch.shadow_dirty_bitmap_size)
+ if ( sc->pages > d->arch.shadow_dirty_bitmap_size )
sc->pages = d->arch.shadow_dirty_bitmap_size;
- if (copy_to_user(sc->dirty_bitmap,
- d->arch.shadow_dirty_bitmap, (sc->pages+7)/8))
+ if ( copy_to_guest(sc->dirty_bitmap,
+ d->arch.shadow_dirty_bitmap,
+ (((sc->pages+7)/8)+sizeof(unsigned long)-1) /
+ sizeof(unsigned long)) )
{
rc = -EINVAL;
break;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/x86/shadow_public.c
--- a/xen/arch/x86/shadow_public.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/x86/shadow_public.c Sat Mar 4 18:16:36 2006
@@ -29,6 +29,7 @@
#include <xen/event.h>
#include <xen/sched.h>
#include <xen/trace.h>
+#include <xen/guest_access.h>
#include <asm/shadow_64.h>
static int alloc_p2m_table(struct domain *d);
@@ -1267,14 +1268,14 @@
d->arch.shadow_fault_count = 0;
d->arch.shadow_dirty_count = 0;
- if ( (sc->dirty_bitmap == NULL) ||
+ if ( guest_handle_is_null(sc->dirty_bitmap) ||
(d->arch.shadow_dirty_bitmap == NULL) )
{
rc = -EINVAL;
break;
}
- if(sc->pages > d->arch.shadow_dirty_bitmap_size)
+ if ( sc->pages > d->arch.shadow_dirty_bitmap_size )
sc->pages = d->arch.shadow_dirty_bitmap_size;
#define chunk (8*1024) /* Transfer and clear in 1kB chunks for L1 cache. */
@@ -1283,10 +1284,10 @@
int bytes = ((((sc->pages - i) > chunk) ?
chunk : (sc->pages - i)) + 7) / 8;
- if (copy_to_user(
- sc->dirty_bitmap + (i/(8*sizeof(unsigned long))),
+ if ( copy_to_guest_offset(
+ sc->dirty_bitmap, i/(8*sizeof(unsigned long)),
d->arch.shadow_dirty_bitmap +(i/(8*sizeof(unsigned long))),
- bytes))
+ (bytes+sizeof(unsigned long)-1) / sizeof(unsigned long)) )
{
rc = -EINVAL;
break;
@@ -1302,18 +1303,20 @@
sc->stats.fault_count = d->arch.shadow_fault_count;
sc->stats.dirty_count = d->arch.shadow_dirty_count;
- if ( (sc->dirty_bitmap == NULL) ||
+ if ( guest_handle_is_null(sc->dirty_bitmap) ||
(d->arch.shadow_dirty_bitmap == NULL) )
{
rc = -EINVAL;
break;
}
- if(sc->pages > d->arch.shadow_dirty_bitmap_size)
+ if ( sc->pages > d->arch.shadow_dirty_bitmap_size )
sc->pages = d->arch.shadow_dirty_bitmap_size;
- if (copy_to_user(sc->dirty_bitmap,
- d->arch.shadow_dirty_bitmap, (sc->pages+7)/8))
+ if ( copy_to_guest(sc->dirty_bitmap,
+ d->arch.shadow_dirty_bitmap,
+ (((sc->pages+7)/8)+sizeof(unsigned long)-1) /
+ sizeof(unsigned long)) )
{
rc = -EINVAL;
break;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/x86/x86_32/mm.c
--- a/xen/arch/x86/x86_32/mm.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/x86/x86_32/mm.c Sat Mar 4 18:16:36 2006
@@ -192,7 +192,7 @@
}
}
-long subarch_memory_op(int op, guest_handle(void) arg)
+long subarch_memory_op(int op, GUEST_HANDLE(void) arg)
{
struct xen_machphys_mfn_list xmml;
unsigned long mfn;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/arch/x86/x86_64/mm.c
--- a/xen/arch/x86/x86_64/mm.c Sat Mar 4 18:15:36 2006
+++ b/xen/arch/x86/x86_64/mm.c Sat Mar 4 18:16:36 2006
@@ -183,7 +183,7 @@
}
}
-long subarch_memory_op(int op, guest_handle(void) arg)
+long subarch_memory_op(int op, GUEST_HANDLE(void) arg)
{
struct xen_machphys_mfn_list xmml;
l3_pgentry_t l3e;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/common/dom0_ops.c
--- a/xen/common/dom0_ops.c Sat Mar 4 18:15:36 2006
+++ b/xen/common/dom0_ops.c Sat Mar 4 18:16:36 2006
@@ -17,13 +17,14 @@
#include <xen/trace.h>
#include <xen/console.h>
#include <xen/iocap.h>
+#include <xen/guest_access.h>
#include <asm/current.h>
#include <public/dom0_ops.h>
#include <public/sched_ctl.h>
#include <acm/acm_hooks.h>
extern long arch_do_dom0_op(
- struct dom0_op *op, struct dom0_op *u_dom0_op);
+ struct dom0_op *op, GUEST_HANDLE(dom0_op_t) u_dom0_op);
extern void arch_getdomaininfo_ctxt(
struct vcpu *, struct vcpu_guest_context *);
@@ -89,7 +90,7 @@
memcpy(info->handle, d->handle, sizeof(xen_domain_handle_t));
}
-long do_dom0_op(struct dom0_op *u_dom0_op)
+long do_dom0_op(GUEST_HANDLE(dom0_op_t) u_dom0_op)
{
long ret = 0;
struct dom0_op curop, *op = &curop;
@@ -99,7 +100,7 @@
if ( !IS_PRIV(current->domain) )
return -EPERM;
- if ( copy_from_user(op, u_dom0_op, sizeof(*op)) )
+ if ( copy_from_guest(op, u_dom0_op, 1) )
return -EFAULT;
if ( op->interface_version != DOM0_INTERFACE_VERSION )
@@ -239,7 +240,7 @@
ret = 0;
op->u.createdomain.domain = d->domain_id;
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -357,7 +358,7 @@
case DOM0_SCHEDCTL:
{
ret = sched_ctl(&op->u.schedctl);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -365,7 +366,7 @@
case DOM0_ADJUSTDOM:
{
ret = sched_adjdom(&op->u.adjustdom);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -398,20 +399,17 @@
getdomaininfo(d, &op->u.getdomaininfo);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
put_domain(d);
}
break;
-
-
case DOM0_GETDOMAININFOLIST:
{
struct domain *d;
dom0_getdomaininfo_t info;
- dom0_getdomaininfo_t *buffer = op->u.getdomaininfolist.buffer;
u32 num_domains = 0;
read_lock(&domlist_lock);
@@ -432,13 +430,13 @@
put_domain(d);
- if ( copy_to_user(buffer, &info, sizeof(dom0_getdomaininfo_t)) )
+ if ( copy_to_guest_offset(op->u.getdomaininfolist.buffer,
+ num_domains, &info, 1) )
{
ret = -EFAULT;
break;
}
- buffer++;
num_domains++;
}
@@ -449,7 +447,7 @@
op->u.getdomaininfolist.num_domains = num_domains;
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -489,12 +487,12 @@
if ( v != current )
vcpu_unpause(v);
- if ( copy_to_user(op->u.getvcpucontext.ctxt, c, sizeof(*c)) )
+ if ( copy_to_guest(op->u.getvcpucontext.ctxt, c, 1) )
ret = -EFAULT;
xfree(c);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
getvcpucontext_out:
@@ -534,7 +532,7 @@
(int)sizeof(op->u.getvcpuinfo.cpumap)));
ret = 0;
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
getvcpuinfo_out:
@@ -554,7 +552,7 @@
case DOM0_TBUFCONTROL:
{
ret = tb_control(&op->u.tbufcontrol);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -562,10 +560,10 @@
case DOM0_READCONSOLE:
{
ret = read_console_ring(
- &op->u.readconsole.buffer,
+ op->u.readconsole.buffer,
&op->u.readconsole.count,
op->u.readconsole.clear);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
@@ -573,7 +571,7 @@
case DOM0_SCHED_ID:
{
op->u.sched_id.sched_id = sched_id();
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
else
ret = 0;
@@ -678,15 +676,15 @@
{
extern int perfc_control(dom0_perfccontrol_t *);
ret = perfc_control(&op->u.perfccontrol);
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ if ( copy_to_guest(u_dom0_op, op, 1) )
ret = -EFAULT;
}
break;
#endif
default:
- ret = arch_do_dom0_op(op,u_dom0_op);
-
+ ret = arch_do_dom0_op(op, u_dom0_op);
+ break;
}
spin_unlock(&dom0_lock);
diff -r f43f094467f6 -r 64f11b0e2e7d xen/common/domain.c
--- a/xen/common/domain.c Sat Mar 4 18:15:36 2006
+++ b/xen/common/domain.c Sat Mar 4 18:16:36 2006
@@ -17,6 +17,7 @@
#include <xen/softirq.h>
#include <xen/domain_page.h>
#include <xen/rangeset.h>
+#include <xen/guest_access.h>
#include <asm/debugger.h>
#include <public/dom0_ops.h>
#include <public/sched.h>
@@ -380,7 +381,7 @@
domain_pause(d);
rc = -EFAULT;
- if ( copy_from_user(c, setvcpucontext->ctxt, sizeof(*c)) == 0 )
+ if ( copy_from_guest(c, setvcpucontext->ctxt, 1) == 0 )
rc = arch_set_info_guest(v, c);
domain_unpause(d);
diff -r f43f094467f6 -r 64f11b0e2e7d xen/common/memory.c
--- a/xen/common/memory.c Sat Mar 4 18:15:36 2006
+++ b/xen/common/memory.c Sat Mar 4 18:16:36 2006
@@ -31,7 +31,7 @@
static long
increase_reservation(
struct domain *d,
- guest_handle(ulong) extent_list,
+ GUEST_HANDLE(ulong) extent_list,
unsigned int nr_extents,
unsigned int extent_order,
unsigned int flags,
@@ -80,7 +80,7 @@
static long
populate_physmap(
struct domain *d,
- guest_handle(ulong) extent_list,
+ GUEST_HANDLE(ulong) extent_list,
unsigned int nr_extents,
unsigned int extent_order,
unsigned int flags,
@@ -141,7 +141,7 @@
static long
decrease_reservation(
struct domain *d,
- guest_handle(ulong) extent_list,
+ GUEST_HANDLE(ulong) extent_list,
unsigned int nr_extents,
unsigned int extent_order,
unsigned int flags,
@@ -198,7 +198,7 @@
static long
translate_gpfn_list(
- guest_handle(xen_translate_gpfn_list_t) uop, unsigned long *progress)
+ GUEST_HANDLE(xen_translate_gpfn_list_t) uop, unsigned long *progress)
{
struct xen_translate_gpfn_list op;
unsigned long i, gpfn, mfn;
@@ -257,7 +257,7 @@
return 0;
}
-long do_memory_op(unsigned long cmd, guest_handle(void) arg)
+long do_memory_op(unsigned long cmd, GUEST_HANDLE(void) arg)
{
struct domain *d;
int rc, op, flags = 0, preempted = 0;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/common/perfc.c
--- a/xen/common/perfc.c Sat Mar 4 18:15:36 2006
+++ b/xen/common/perfc.c Sat Mar 4 18:16:36 2006
@@ -5,9 +5,10 @@
#include <xen/perfc.h>
#include <xen/keyhandler.h>
#include <xen/spinlock.h>
+#include <xen/mm.h>
+#include <xen/guest_access.h>
#include <public/dom0_ops.h>
#include <asm/uaccess.h>
-#include <xen/mm.h>
#undef PERFCOUNTER
#undef PERFCOUNTER_CPU
@@ -131,12 +132,12 @@
static dom0_perfc_desc_t perfc_d[NR_PERFCTRS];
static int perfc_init = 0;
-static int perfc_copy_info(dom0_perfc_desc_t *desc)
+static int perfc_copy_info(GUEST_HANDLE(dom0_perfc_desc_t) desc)
{
unsigned int i, j;
atomic_t *counters = (atomic_t *)&perfcounters;
- if ( desc == NULL )
+ if ( guest_handle_is_null(desc) )
return 0;
/* We only copy the name and array-size information once. */
@@ -196,7 +197,7 @@
}
}
- return (copy_to_user(desc, perfc_d, NR_PERFCTRS * sizeof(*desc)) ?
+ return (copy_to_guest(desc, (dom0_perfc_desc_t *)perfc_d, NR_PERFCTRS) ?
-EFAULT : 0);
}
diff -r f43f094467f6 -r 64f11b0e2e7d xen/drivers/char/console.c
--- a/xen/drivers/char/console.c Sat Mar 4 18:15:36 2006
+++ b/xen/drivers/char/console.c Sat Mar 4 18:16:36 2006
@@ -20,6 +20,7 @@
#include <xen/keyhandler.h>
#include <xen/mm.h>
#include <xen/delay.h>
+#include <xen/guest_access.h>
#include <asm/current.h>
#include <asm/uaccess.h>
#include <asm/debugger.h>
@@ -221,9 +222,8 @@
conringc = conringp - CONRING_SIZE;
}
-long read_console_ring(char **pstr, u32 *pcount, int clear)
-{
- char *str = *pstr;
+long read_console_ring(GUEST_HANDLE(char) str, u32 *pcount, int clear)
+{
unsigned int idx, len, max, sofar, c;
unsigned long flags;
@@ -239,7 +239,7 @@
len = CONRING_SIZE - idx;
if ( (sofar + len) > max )
len = max - sofar;
- if ( copy_to_user(str + sofar, &conring[idx], len) )
+ if ( copy_to_guest_offset(str, sofar, &conring[idx], len) )
return -EFAULT;
sofar += len;
c += len;
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/asm-x86/mm.h
--- a/xen/include/asm-x86/mm.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/asm-x86/mm.h Sat Mar 4 18:16:36 2006
@@ -380,7 +380,7 @@
int __sync_lazy_execstate(void);
/* Arch-specific portion of memory_op hypercall. */
-long arch_memory_op(int op, guest_handle(void) arg);
-long subarch_memory_op(int op, guest_handle(void) arg);
+long arch_memory_op(int op, GUEST_HANDLE(void) arg);
+long subarch_memory_op(int op, GUEST_HANDLE(void) arg);
#endif /* __ASM_X86_MM_H__ */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/arch-ia64.h
--- a/xen/include/public/arch-ia64.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/arch-ia64.h Sat Mar 4 18:16:36 2006
@@ -6,6 +6,28 @@
#ifndef __HYPERVISOR_IF_IA64_H__
#define __HYPERVISOR_IF_IA64_H__
+
+#ifdef __XEN__
+#define __DEFINE_GUEST_HANDLE(name, type) \
+ typedef struct { type *p; } __guest_handle_ ## name
+#else
+#define __DEFINE_GUEST_HANDLE(name, type) \
+ typedef type * __guest_handle_ ## name
+#endif
+
+#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
+#define GUEST_HANDLE(name) __guest_handle_ ## name
+
+#ifndef __ASSEMBLY__
+/* Guest handles for primitive C types. */
+__DEFINE_GUEST_HANDLE(uchar, unsigned char);
+__DEFINE_GUEST_HANDLE(uint, unsigned int);
+__DEFINE_GUEST_HANDLE(ulong, unsigned long);
+DEFINE_GUEST_HANDLE(char);
+DEFINE_GUEST_HANDLE(int);
+DEFINE_GUEST_HANDLE(long);
+DEFINE_GUEST_HANDLE(void);
+#endif
/* Maximum number of virtual CPUs in multi-processor guests. */
/* WARNING: before changing this, check that shared_info fits on a page */
@@ -298,6 +320,7 @@
arch_initrd_info_t initrd;
char cmdline[IA64_COMMAND_LINE_SIZE];
} vcpu_guest_context_t;
+DEFINE_GUEST_HANDLE(vcpu_guest_context_t);
#endif /* !__ASSEMBLY__ */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/arch-x86_32.h
--- a/xen/include/public/arch-x86_32.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/arch-x86_32.h Sat Mar 4 18:16:36 2006
@@ -8,6 +8,28 @@
#ifndef __XEN_PUBLIC_ARCH_X86_32_H__
#define __XEN_PUBLIC_ARCH_X86_32_H__
+
+#ifdef __XEN__
+#define __DEFINE_GUEST_HANDLE(name, type) \
+ typedef struct { type *p; } __guest_handle_ ## name
+#else
+#define __DEFINE_GUEST_HANDLE(name, type) \
+ typedef type * __guest_handle_ ## name
+#endif
+
+#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
+#define GUEST_HANDLE(name) __guest_handle_ ## name
+
+#ifndef __ASSEMBLY__
+/* Guest handles for primitive C types. */
+__DEFINE_GUEST_HANDLE(uchar, unsigned char);
+__DEFINE_GUEST_HANDLE(uint, unsigned int);
+__DEFINE_GUEST_HANDLE(ulong, unsigned long);
+DEFINE_GUEST_HANDLE(char);
+DEFINE_GUEST_HANDLE(int);
+DEFINE_GUEST_HANDLE(long);
+DEFINE_GUEST_HANDLE(void);
+#endif
/*
* SEGMENT DESCRIPTOR TABLES
@@ -130,6 +152,7 @@
unsigned long failsafe_callback_eip;
unsigned long vm_assist; /* VMASST_TYPE_* bitmap */
} vcpu_guest_context_t;
+DEFINE_GUEST_HANDLE(vcpu_guest_context_t);
typedef struct arch_shared_info {
unsigned long max_pfn; /* max pfn that appears in table */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/arch-x86_64.h
--- a/xen/include/public/arch-x86_64.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/arch-x86_64.h Sat Mar 4 18:16:36 2006
@@ -8,6 +8,28 @@
#ifndef __XEN_PUBLIC_ARCH_X86_64_H__
#define __XEN_PUBLIC_ARCH_X86_64_H__
+
+#ifdef __XEN__
+#define __DEFINE_GUEST_HANDLE(name, type) \
+ typedef struct { type *p; } __guest_handle_ ## name
+#else
+#define __DEFINE_GUEST_HANDLE(name, type) \
+ typedef type * __guest_handle_ ## name
+#endif
+
+#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
+#define GUEST_HANDLE(name) __guest_handle_ ## name
+
+#ifndef __ASSEMBLY__
+/* Guest handles for primitive C types. */
+__DEFINE_GUEST_HANDLE(uchar, unsigned char);
+__DEFINE_GUEST_HANDLE(uint, unsigned int);
+__DEFINE_GUEST_HANDLE(ulong, unsigned long);
+DEFINE_GUEST_HANDLE(char);
+DEFINE_GUEST_HANDLE(int);
+DEFINE_GUEST_HANDLE(long);
+DEFINE_GUEST_HANDLE(void);
+#endif
/*
* SEGMENT DESCRIPTOR TABLES
@@ -215,6 +237,7 @@
uint64_t gs_base_kernel;
uint64_t gs_base_user;
} vcpu_guest_context_t;
+DEFINE_GUEST_HANDLE(vcpu_guest_context_t);
typedef struct arch_shared_info {
unsigned long max_pfn; /* max pfn that appears in table */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/dom0_ops.h
--- a/xen/include/public/dom0_ops.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/dom0_ops.h Sat Mar 4 18:16:36 2006
@@ -28,18 +28,21 @@
/* IN variables. */
domid_t domain;
unsigned long max_pfns;
- void *buffer;
+ GUEST_HANDLE(ulong) buffer;
/* OUT variables. */
unsigned long num_pfns;
} dom0_getmemlist_t;
+DEFINE_GUEST_HANDLE(dom0_getmemlist_t);
#define DOM0_SCHEDCTL 6
/* struct sched_ctl_cmd is from sched-ctl.h */
typedef struct sched_ctl_cmd dom0_schedctl_t;
+DEFINE_GUEST_HANDLE(dom0_schedctl_t);
#define DOM0_ADJUSTDOM 7
/* struct sched_adjdom_cmd is from sched-ctl.h */
typedef struct sched_adjdom_cmd dom0_adjustdom_t;
+DEFINE_GUEST_HANDLE(dom0_adjustdom_t);
#define DOM0_CREATEDOMAIN 8
typedef struct dom0_createdomain {
@@ -50,24 +53,28 @@
/* Identifier for new domain (auto-allocate if zero is specified). */
domid_t domain;
} dom0_createdomain_t;
+DEFINE_GUEST_HANDLE(dom0_createdomain_t);
#define DOM0_DESTROYDOMAIN 9
typedef struct dom0_destroydomain {
/* IN variables. */
domid_t domain;
} dom0_destroydomain_t;
+DEFINE_GUEST_HANDLE(dom0_destroydomain_t);
#define DOM0_PAUSEDOMAIN 10
typedef struct dom0_pausedomain {
/* IN parameters. */
domid_t domain;
} dom0_pausedomain_t;
+DEFINE_GUEST_HANDLE(dom0_pausedomain_t);
#define DOM0_UNPAUSEDOMAIN 11
typedef struct dom0_unpausedomain {
/* IN parameters. */
domid_t domain;
} dom0_unpausedomain_t;
+DEFINE_GUEST_HANDLE(dom0_unpausedomain_t);
#define DOM0_GETDOMAININFO 12
typedef struct dom0_getdomaininfo {
@@ -93,6 +100,7 @@
uint32_t ssidref;
xen_domain_handle_t handle;
} dom0_getdomaininfo_t;
+DEFINE_GUEST_HANDLE(dom0_getdomaininfo_t);
#define DOM0_SETVCPUCONTEXT 13
typedef struct dom0_setvcpucontext {
@@ -100,8 +108,9 @@
domid_t domain;
uint32_t vcpu;
/* IN/OUT parameters */
- vcpu_guest_context_t *ctxt;
+ GUEST_HANDLE(vcpu_guest_context_t) ctxt;
} dom0_setvcpucontext_t;
+DEFINE_GUEST_HANDLE(dom0_setvcpucontext_t);
#define DOM0_MSR 15
typedef struct dom0_msr {
@@ -115,6 +124,7 @@
uint32_t out1;
uint32_t out2;
} dom0_msr_t;
+DEFINE_GUEST_HANDLE(dom0_msr_t);
/*
* Set clock such that it would read <secs,nsecs> after 00:00:00 UTC,
@@ -127,6 +137,7 @@
uint32_t nsecs;
uint64_t system_time;
} dom0_settime_t;
+DEFINE_GUEST_HANDLE(dom0_settime_t);
#define DOM0_GETPAGEFRAMEINFO 18
#define NOTAB 0 /* normal page */
@@ -147,6 +158,7 @@
/* Is the page PINNED to a type? */
uint32_t type; /* see above type defs */
} dom0_getpageframeinfo_t;
+DEFINE_GUEST_HANDLE(dom0_getpageframeinfo_t);
/*
* Read console content from Xen buffer ring.
@@ -154,11 +166,12 @@
#define DOM0_READCONSOLE 19
typedef struct dom0_readconsole {
/* IN variables. */
- uint32_t clear; /* Non-zero -> clear after reading. */
+ uint32_t clear; /* Non-zero -> clear after reading. */
/* IN/OUT variables. */
- char *buffer; /* In: Buffer start; Out: Used buffer start */
- uint32_t count; /* In: Buffer size; Out: Used buffer size */
+ GUEST_HANDLE(char) buffer; /* In: Buffer start; Out: Used buffer start */
+ uint32_t count; /* In: Buffer size; Out: Used buffer size */
} dom0_readconsole_t;
+DEFINE_GUEST_HANDLE(dom0_readconsole_t);
/*
* Set which physical cpus a vcpu can execute on.
@@ -170,6 +183,7 @@
uint32_t vcpu;
cpumap_t cpumap;
} dom0_setvcpuaffinity_t;
+DEFINE_GUEST_HANDLE(dom0_setvcpuaffinity_t);
/* Get trace buffers machine base address */
#define DOM0_TBUFCONTROL 21
@@ -189,6 +203,7 @@
unsigned long buffer_mfn;
uint32_t size;
} dom0_tbufcontrol_t;
+DEFINE_GUEST_HANDLE(dom0_tbufcontrol_t);
/*
* Get physical information about the host machine
@@ -204,6 +219,7 @@
unsigned long free_pages;
uint32_t hw_cap[8];
} dom0_physinfo_t;
+DEFINE_GUEST_HANDLE(dom0_physinfo_t);
/*
* Get the ID of the current scheduler.
@@ -213,6 +229,7 @@
/* OUT variable */
uint32_t sched_id;
} dom0_sched_id_t;
+DEFINE_GUEST_HANDLE(dom0_sched_id_t);
/*
* Control shadow pagetables operation
@@ -234,17 +251,19 @@
uint32_t dirty_net_count;
uint32_t dirty_block_count;
} dom0_shadow_control_stats_t;
+DEFINE_GUEST_HANDLE(dom0_shadow_control_stats_t);
typedef struct dom0_shadow_control {
/* IN variables. */
domid_t domain;
uint32_t op;
- unsigned long *dirty_bitmap; /* pointer to locked buffer */
+ GUEST_HANDLE(ulong) dirty_bitmap;
/* IN/OUT variables. */
unsigned long pages; /* size of buffer, updated with actual size */
/* OUT variables. */
dom0_shadow_control_stats_t stats;
} dom0_shadow_control_t;
+DEFINE_GUEST_HANDLE(dom0_shadow_control_t);
#define DOM0_SETDOMAINMAXMEM 28
typedef struct dom0_setdomainmaxmem {
@@ -252,6 +271,7 @@
domid_t domain;
unsigned long max_memkb;
} dom0_setdomainmaxmem_t;
+DEFINE_GUEST_HANDLE(dom0_setdomainmaxmem_t);
#define DOM0_GETPAGEFRAMEINFO2 29 /* batched interface */
typedef struct dom0_getpageframeinfo2 {
@@ -259,8 +279,9 @@
domid_t domain;
unsigned long num;
/* IN/OUT variables. */
- unsigned long *array;
+ GUEST_HANDLE(ulong) array;
} dom0_getpageframeinfo2_t;
+DEFINE_GUEST_HANDLE(dom0_getpageframeinfo2_t);
/*
* Request memory range (@mfn, @mfn+@nr_mfns-1) to have type @type.
@@ -279,6 +300,7 @@
uint32_t handle;
uint32_t reg;
} dom0_add_memtype_t;
+DEFINE_GUEST_HANDLE(dom0_add_memtype_t);
/*
* Tear down an existing memory-range type. If @handle is remembered then it
@@ -293,6 +315,7 @@
uint32_t handle;
uint32_t reg;
} dom0_del_memtype_t;
+DEFINE_GUEST_HANDLE(dom0_del_memtype_t);
/* Read current type of an MTRR (x86-specific). */
#define DOM0_READ_MEMTYPE 33
@@ -304,6 +327,7 @@
unsigned long nr_mfns;
uint32_t type;
} dom0_read_memtype_t;
+DEFINE_GUEST_HANDLE(dom0_read_memtype_t);
/* Interface for controlling Xen software performance counters. */
#define DOM0_PERFCCONTROL 34
@@ -315,20 +339,23 @@
uint32_t nr_vals; /* number of values for this counter */
uint32_t vals[64]; /* array of values */
} dom0_perfc_desc_t;
+DEFINE_GUEST_HANDLE(dom0_perfc_desc_t);
typedef struct dom0_perfccontrol {
/* IN variables. */
uint32_t op; /* DOM0_PERFCCONTROL_OP_??? */
/* OUT variables. */
uint32_t nr_counters; /* number of counters */
- dom0_perfc_desc_t *desc; /* counter information (or NULL) */
+ GUEST_HANDLE(dom0_perfc_desc_t) desc; /* counter information (or NULL) */
} dom0_perfccontrol_t;
+DEFINE_GUEST_HANDLE(dom0_perfccontrol_t);
#define DOM0_MICROCODE 35
typedef struct dom0_microcode {
/* IN variables. */
- void *data; /* Pointer to microcode data */
+ GUEST_HANDLE(void) data; /* Pointer to microcode data */
uint32_t length; /* Length of microcode data. */
} dom0_microcode_t;
+DEFINE_GUEST_HANDLE(dom0_microcode_t);
#define DOM0_IOPORT_PERMISSION 36
typedef struct dom0_ioport_permission {
@@ -337,6 +364,7 @@
uint32_t nr_ports; /* size of port range */
uint8_t allow_access; /* allow or deny access to range? */
} dom0_ioport_permission_t;
+DEFINE_GUEST_HANDLE(dom0_ioport_permission_t);
#define DOM0_GETVCPUCONTEXT 37
typedef struct dom0_getvcpucontext {
@@ -344,8 +372,9 @@
domid_t domain; /* domain to be affected */
uint32_t vcpu; /* vcpu # */
/* OUT variables. */
- vcpu_guest_context_t *ctxt;
+ GUEST_HANDLE(vcpu_guest_context_t) ctxt;
} dom0_getvcpucontext_t;
+DEFINE_GUEST_HANDLE(dom0_getvcpucontext_t);
#define DOM0_GETVCPUINFO 43
typedef struct dom0_getvcpuinfo {
@@ -360,16 +389,18 @@
uint32_t cpu; /* current mapping */
cpumap_t cpumap; /* allowable mapping */
} dom0_getvcpuinfo_t;
+DEFINE_GUEST_HANDLE(dom0_getvcpuinfo_t);
#define DOM0_GETDOMAININFOLIST 38
typedef struct dom0_getdomaininfolist {
/* IN variables. */
domid_t first_domain;
uint32_t max_domains;
- dom0_getdomaininfo_t *buffer;
+ GUEST_HANDLE(dom0_getdomaininfo_t) buffer;
/* OUT variables. */
uint32_t num_domains;
} dom0_getdomaininfolist_t;
+DEFINE_GUEST_HANDLE(dom0_getdomaininfolist_t);
#define DOM0_PLATFORM_QUIRK 39
#define QUIRK_NOIRQBALANCING 1
@@ -377,37 +408,44 @@
/* IN variables. */
uint32_t quirk_id;
} dom0_platform_quirk_t;
+DEFINE_GUEST_HANDLE(dom0_platform_quirk_t);
#define DOM0_PHYSICAL_MEMORY_MAP 40
+typedef struct dom0_memory_map_entry {
+ uint64_t start, end;
+ uint32_t flags; /* reserved */
+ uint8_t is_ram;
+} dom0_memory_map_entry_t;
+DEFINE_GUEST_HANDLE(dom0_memory_map_entry_t);
typedef struct dom0_physical_memory_map {
/* IN variables. */
uint32_t max_map_entries;
/* OUT variables. */
uint32_t nr_map_entries;
- struct dom0_memory_map_entry {
- uint64_t start, end;
- uint32_t flags; /* reserved */
- uint8_t is_ram;
- } *memory_map;
+ GUEST_HANDLE(dom0_memory_map_entry_t) memory_map;
} dom0_physical_memory_map_t;
+DEFINE_GUEST_HANDLE(dom0_physical_memory_map_t);
#define DOM0_MAX_VCPUS 41
typedef struct dom0_max_vcpus {
domid_t domain; /* domain to be affected */
uint32_t max; /* maximum number of vcpus */
} dom0_max_vcpus_t;
+DEFINE_GUEST_HANDLE(dom0_max_vcpus_t);
#define DOM0_SETDOMAINHANDLE 44
typedef struct dom0_setdomainhandle {
domid_t domain;
xen_domain_handle_t handle;
} dom0_setdomainhandle_t;
+DEFINE_GUEST_HANDLE(dom0_setdomainhandle_t);
#define DOM0_SETDEBUGGING 45
typedef struct dom0_setdebugging {
domid_t domain;
uint8_t enable;
} dom0_setdebugging_t;
+DEFINE_GUEST_HANDLE(dom0_setdebugging_t);
#define DOM0_IRQ_PERMISSION 46
typedef struct dom0_irq_permission {
@@ -415,6 +453,7 @@
uint8_t pirq;
uint8_t allow_access; /* flag to specify enable/disable of IRQ access */
} dom0_irq_permission_t;
+DEFINE_GUEST_HANDLE(dom0_irq_permission_t);
#define DOM0_IOMEM_PERMISSION 47
typedef struct dom0_iomem_permission {
@@ -423,12 +462,14 @@
unsigned long nr_mfns; /* number of pages in range (>0) */
uint8_t allow_access; /* allow (!0) or deny (0) access to range? */
} dom0_iomem_permission_t;
+DEFINE_GUEST_HANDLE(dom0_iomem_permission_t);
#define DOM0_HYPERCALL_INIT 48
typedef struct dom0_hypercall_init {
domid_t domain; /* domain to be affected */
unsigned long mfn; /* machine frame to be initialised */
} dom0_hypercall_init_t;
+DEFINE_GUEST_HANDLE(dom0_hypercall_init_t);
typedef struct dom0_op {
uint32_t cmd;
@@ -471,9 +512,10 @@
struct dom0_irq_permission irq_permission;
struct dom0_iomem_permission iomem_permission;
struct dom0_hypercall_init hypercall_init;
- uint8_t pad[128];
+ uint8_t pad[128];
} u;
} dom0_op_t;
+DEFINE_GUEST_HANDLE(dom0_op_t);
#endif /* __XEN_PUBLIC_DOM0_OPS_H__ */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/hvm/ioreq.h
--- a/xen/include/public/hvm/ioreq.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/hvm/ioreq.h Sat Mar 4 18:16:36 2006
@@ -71,8 +71,8 @@
typedef struct {
ioreq_t vp_ioreq;
/* Event channel port */
- unsigned long vp_eport; /* VMX vcpu uses this to notify DM */
- unsigned long dm_eport; /* DM uses this to notify VMX vcpu */
+ unsigned int vp_eport; /* VMX vcpu uses this to notify DM */
+ unsigned int dm_eport; /* DM uses this to notify VMX vcpu */
} vcpu_iodata_t;
typedef struct {
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/memory.h
--- a/xen/include/public/memory.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/memory.h Sat Mar 4 18:16:36 2006
@@ -29,7 +29,7 @@
* OUT: GMFN bases of extents that were allocated
* (NB. This command also updates the mach_to_phys translation table)
*/
- guest_handle(ulong) extent_start;
+ GUEST_HANDLE(ulong) extent_start;
/* Number of extents, and size/alignment of each (2^extent_order pages). */
unsigned long nr_extents;
@@ -50,7 +50,7 @@
domid_t domid;
} xen_memory_reservation_t;
-define_guest_handle(xen_memory_reservation_t);
+DEFINE_GUEST_HANDLE(xen_memory_reservation_t);
/*
* Returns the maximum machine frame number of mapped RAM in this system.
@@ -86,7 +86,7 @@
* any large discontiguities in the machine address space, 2MB gaps in
* the machphys table will be represented by an MFN base of zero.
*/
- guest_handle(ulong) extent_start;
+ GUEST_HANDLE(ulong) extent_start;
/*
* Number of extents written to the above array. This will be smaller
@@ -94,7 +94,7 @@
*/
unsigned int nr_extents;
} xen_machphys_mfn_list_t;
-define_guest_handle(xen_machphys_mfn_list_t);
+DEFINE_GUEST_HANDLE(xen_machphys_mfn_list_t);
/*
* Returns the base and size of the specified reserved 'RAM hole' in the
@@ -115,7 +115,7 @@
/* Base and size of the specified reserved area. */
unsigned long first_gpfn, nr_gpfns;
} xen_reserved_phys_area_t;
-define_guest_handle(xen_reserved_phys_area_t);
+DEFINE_GUEST_HANDLE(xen_reserved_phys_area_t);
/*
* Translates a list of domain-specific GPFNs into MFNs. Returns a -ve error
@@ -130,15 +130,15 @@
unsigned long nr_gpfns;
/* List of GPFNs to translate. */
- guest_handle(ulong) gpfn_list;
+ GUEST_HANDLE(ulong) gpfn_list;
/*
* Output list to contain MFN translations. May be the same as the input
* list (in which case each input GPFN is overwritten with the output MFN).
*/
- guest_handle(ulong) mfn_list;
+ GUEST_HANDLE(ulong) mfn_list;
} xen_translate_gpfn_list_t;
-define_guest_handle(xen_translate_gpfn_list_t);
+DEFINE_GUEST_HANDLE(xen_translate_gpfn_list_t);
#endif /* __XEN_PUBLIC_MEMORY_H__ */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/public/xen.h
--- a/xen/include/public/xen.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/public/xen.h Sat Mar 4 18:16:36 2006
@@ -8,28 +8,6 @@
#ifndef __XEN_PUBLIC_XEN_H__
#define __XEN_PUBLIC_XEN_H__
-
-#ifdef __XEN__
-#define __define_guest_handle(name, type) \
- typedef struct { type *p; } __guest_handle_ ## name
-#else
-#define __define_guest_handle(name, type) \
- typedef type * __guest_handle_ ## name
-#endif
-
-#define define_guest_handle(name) __define_guest_handle(name, name)
-#define guest_handle(name) __guest_handle_ ## name
-
-#ifndef __ASSEMBLY__
-/* Guest handles for primitive C types. */
-__define_guest_handle(uchar, unsigned char);
-__define_guest_handle(uint, unsigned int);
-__define_guest_handle(ulong, unsigned long);
-define_guest_handle(char);
-define_guest_handle(int);
-define_guest_handle(long);
-define_guest_handle(void);
-#endif
#if defined(__i386__)
#include "arch-x86_32.h"
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/xen/console.h
--- a/xen/include/xen/console.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/xen/console.h Sat Mar 4 18:16:36 2006
@@ -13,7 +13,7 @@
void set_printk_prefix(const char *prefix);
-long read_console_ring(char **, u32 *, int);
+long read_console_ring(GUEST_HANDLE(char), u32 *, int);
void init_console(void);
void console_endboot(int disable_vga);
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/xen/guest_access.h
--- a/xen/include/xen/guest_access.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/xen/guest_access.h Sat Mar 4 18:16:36 2006
@@ -7,64 +7,17 @@
#ifndef __XEN_GUEST_ACCESS_H__
#define __XEN_GUEST_ACCESS_H__
-#include <asm/uaccess.h>
+#include <asm/guest_access.h>
-/* Is the guest handle a NULL reference? */
-#define guest_handle_is_null(hnd) ((hnd).p == NULL)
-
-/* Offset the given guest handle into the array it refers to. */
-#define guest_handle_add_offset(hnd, nr) ((hnd).p += (nr))
-
-/* Cast a guest handle to the specified type of handle. */
-#define guest_handle_cast(hnd, type) ({ \
- type *_x = (hnd).p; \
- (guest_handle(type)) { _x }; \
-})
-
-/*
- * Copy an array of objects to guest context via a guest handle.
- * Optionally specify an offset into the guest array.
- */
-#define copy_to_guest_offset(hnd, off, ptr, nr) ({ \
- const typeof(ptr) _x = (hnd).p; \
- const typeof(ptr) _y = (ptr); \
- copy_to_user(_x+(off), _y, sizeof(*_x)*(nr)); \
-})
#define copy_to_guest(hnd, ptr, nr) \
copy_to_guest_offset(hnd, 0, ptr, nr)
-/*
- * Copy an array of objects from guest context via a guest handle.
- * Optionally specify an offset into the guest array.
- */
-#define copy_from_guest_offset(ptr, hnd, off, nr) ({ \
- const typeof(ptr) _x = (hnd).p; \
- const typeof(ptr) _y = (ptr); \
- copy_from_user(_y, _x+(off), sizeof(*_x)*(nr)); \
-})
#define copy_from_guest(ptr, hnd, nr) \
copy_from_guest_offset(ptr, hnd, 0, nr)
-/*
- * Pre-validate a guest handle.
- * Allows use of faster __copy_* functions.
- */
-#define guest_handle_okay(hnd, nr) \
- array_access_ok((hnd).p, (nr), sizeof(*(hnd).p))
-
-#define __copy_to_guest_offset(hnd, off, ptr, nr) ({ \
- const typeof(ptr) _x = (hnd).p; \
- const typeof(ptr) _y = (ptr); \
- __copy_to_user(_x+(off), _y, sizeof(*_x)*(nr)); \
-})
#define __copy_to_guest(hnd, ptr, nr) \
__copy_to_guest_offset(hnd, 0, ptr, nr)
-#define __copy_from_guest_offset(ptr, hnd, off, nr) ({ \
- const typeof(ptr) _x = (hnd).p; \
- const typeof(ptr) _y = (ptr); \
- __copy_from_user(_y, _x+(off), sizeof(*_x)*(nr)); \
-})
#define __copy_from_guest(ptr, hnd, nr) \
__copy_from_guest_offset(ptr, hnd, 0, nr)
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/xen/sched.h
--- a/xen/include/xen/sched.h Sat Mar 4 18:15:36 2006
+++ b/xen/include/xen/sched.h Sat Mar 4 18:16:36 2006
@@ -311,7 +311,7 @@
* 'i' [unsigned] {char, int}
* 'l' [unsigned] long
* 'p' pointer (foo *)
- * 'h' guest handle (guest_handle(foo))
+ * 'h' guest handle (GUEST_HANDLE(foo))
*/
unsigned long hypercall_create_continuation(
unsigned int op, const char *format, ...);
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/asm-ia64/guest_access.h
--- /dev/null Sat Mar 4 18:15:36 2006
+++ b/xen/include/asm-ia64/guest_access.h Sat Mar 4 18:16:36 2006
@@ -0,0 +1,63 @@
+/******************************************************************************
+ * guest_access.h
+ *
+ * Copyright (c) 2006, K A Fraser
+ */
+
+#ifndef __ASM_IA64_GUEST_ACCESS_H__
+#define __ASM_IA64_GUEST_ACCESS_H__
+
+#include <asm/uaccess.h>
+
+/* Is the guest handle a NULL reference? */
+#define guest_handle_is_null(hnd) ((hnd).p == NULL)
+
+/* Offset the given guest handle into the array it refers to. */
+#define guest_handle_add_offset(hnd, nr) ((hnd).p += (nr))
+
+/* Cast a guest handle to the specified type of handle. */
+#define guest_handle_cast(hnd, type) ({ \
+ type *_x = (hnd).p; \
+ (GUEST_HANDLE(type)) { _x }; \
+})
+
+/*
+ * Copy an array of objects to guest context via a guest handle,
+ * specifying an offset into the guest array.
+ */
+#define copy_to_guest_offset(hnd, off, ptr, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ copy_to_user(_x+(off), _y, sizeof(*_x)*(nr)); \
+})
+
+/*
+ * Copy an array of objects from guest context via a guest handle,
+ * specifying an offset into the guest array.
+ */
+#define copy_from_guest_offset(ptr, hnd, off, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ copy_from_user(_y, _x+(off), sizeof(*_x)*(nr)); \
+})
+
+/*
+ * Pre-validate a guest handle.
+ * Allows use of faster __copy_* functions.
+ */
+#define guest_handle_okay(hnd, nr) \
+ array_access_ok((hnd).p, (nr), sizeof(*(hnd).p))
+
+#define __copy_to_guest_offset(hnd, off, ptr, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ __copy_to_user(_x+(off), _y, sizeof(*_x)*(nr)); \
+})
+
+#define __copy_from_guest_offset(ptr, hnd, off, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ __copy_from_user(_y, _x+(off), sizeof(*_x)*(nr)); \
+})
+
+#endif /* __ASM_IA64_GUEST_ACCESS_H__ */
diff -r f43f094467f6 -r 64f11b0e2e7d xen/include/asm-x86/guest_access.h
--- /dev/null Sat Mar 4 18:15:36 2006
+++ b/xen/include/asm-x86/guest_access.h Sat Mar 4 18:16:36 2006
@@ -0,0 +1,63 @@
+/******************************************************************************
+ * guest_access.h
+ *
+ * Copyright (c) 2006, K A Fraser
+ */
+
+#ifndef __ASM_X86_GUEST_ACCESS_H__
+#define __ASM_X86_GUEST_ACCESS_H__
+
+#include <asm/uaccess.h>
+
+/* Is the guest handle a NULL reference? */
+#define guest_handle_is_null(hnd) ((hnd).p == NULL)
+
+/* Offset the given guest handle into the array it refers to. */
+#define guest_handle_add_offset(hnd, nr) ((hnd).p += (nr))
+
+/* Cast a guest handle to the specified type of handle. */
+#define guest_handle_cast(hnd, type) ({ \
+ type *_x = (hnd).p; \
+ (GUEST_HANDLE(type)) { _x }; \
+})
+
+/*
+ * Copy an array of objects to guest context via a guest handle,
+ * specifying an offset into the guest array.
+ */
+#define copy_to_guest_offset(hnd, off, ptr, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ copy_to_user(_x+(off), _y, sizeof(*_x)*(nr)); \
+})
+
+/*
+ * Copy an array of objects from guest context via a guest handle,
+ * specifying an offset into the guest array.
+ */
+#define copy_from_guest_offset(ptr, hnd, off, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ copy_from_user(_y, _x+(off), sizeof(*_x)*(nr)); \
+})
+
+/*
+ * Pre-validate a guest handle.
+ * Allows use of faster __copy_* functions.
+ */
+#define guest_handle_okay(hnd, nr) \
+ array_access_ok((hnd).p, (nr), sizeof(*(hnd).p))
+
+#define __copy_to_guest_offset(hnd, off, ptr, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ __copy_to_user(_x+(off), _y, sizeof(*_x)*(nr)); \
+})
+
+#define __copy_from_guest_offset(ptr, hnd, off, nr) ({ \
+ const typeof(ptr) _x = (hnd).p; \
+ const typeof(ptr) _y = (ptr); \
+ __copy_from_user(_y, _x+(off), sizeof(*_x)*(nr)); \
+})
+
+#endif /* __ASM_X86_GUEST_ACCESS_H__ */
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