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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/xen/privcmd.c
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/xen/privcmd.c')
-rw-r--r--drivers/xen/privcmd.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 5a296161d..5e9adac92 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -193,16 +193,16 @@ static int traverse_pages_block(unsigned nelem, size_t size,
return ret;
}
-struct mmap_mfn_state {
+struct mmap_gfn_state {
unsigned long va;
struct vm_area_struct *vma;
domid_t domain;
};
-static int mmap_mfn_range(void *data, void *state)
+static int mmap_gfn_range(void *data, void *state)
{
struct privcmd_mmap_entry *msg = data;
- struct mmap_mfn_state *st = state;
+ struct mmap_gfn_state *st = state;
struct vm_area_struct *vma = st->vma;
int rc;
@@ -216,7 +216,7 @@ static int mmap_mfn_range(void *data, void *state)
((msg->va+(msg->npages<<PAGE_SHIFT)) > vma->vm_end))
return -EINVAL;
- rc = xen_remap_domain_mfn_range(vma,
+ rc = xen_remap_domain_gfn_range(vma,
msg->va & PAGE_MASK,
msg->mfn, msg->npages,
vma->vm_page_prot,
@@ -236,7 +236,7 @@ static long privcmd_ioctl_mmap(void __user *udata)
struct vm_area_struct *vma;
int rc;
LIST_HEAD(pagelist);
- struct mmap_mfn_state state;
+ struct mmap_gfn_state state;
/* We only support privcmd_ioctl_mmap_batch for auto translated. */
if (xen_feature(XENFEAT_auto_translated_physmap))
@@ -273,7 +273,7 @@ static long privcmd_ioctl_mmap(void __user *udata)
rc = traverse_pages(mmapcmd.num, sizeof(struct privcmd_mmap_entry),
&pagelist,
- mmap_mfn_range, &state);
+ mmap_gfn_range, &state);
out_up:
@@ -299,18 +299,18 @@ struct mmap_batch_state {
int global_error;
int version;
- /* User-space mfn array to store errors in the second pass for V1. */
- xen_pfn_t __user *user_mfn;
+ /* User-space gfn array to store errors in the second pass for V1. */
+ xen_pfn_t __user *user_gfn;
/* User-space int array to store errors in the second pass for V2. */
int __user *user_err;
};
-/* auto translated dom0 note: if domU being created is PV, then mfn is
- * mfn(addr on bus). If it's auto xlated, then mfn is pfn (input to HAP).
+/* auto translated dom0 note: if domU being created is PV, then gfn is
+ * mfn(addr on bus). If it's auto xlated, then gfn is pfn (input to HAP).
*/
static int mmap_batch_fn(void *data, int nr, void *state)
{
- xen_pfn_t *mfnp = data;
+ xen_pfn_t *gfnp = data;
struct mmap_batch_state *st = state;
struct vm_area_struct *vma = st->vma;
struct page **pages = vma->vm_private_data;
@@ -321,8 +321,8 @@ static int mmap_batch_fn(void *data, int nr, void *state)
cur_pages = &pages[st->index];
BUG_ON(nr < 0);
- ret = xen_remap_domain_mfn_array(st->vma, st->va & PAGE_MASK, mfnp, nr,
- (int *)mfnp, st->vma->vm_page_prot,
+ ret = xen_remap_domain_gfn_array(st->vma, st->va & PAGE_MASK, gfnp, nr,
+ (int *)gfnp, st->vma->vm_page_prot,
st->domain, cur_pages);
/* Adjust the global_error? */
@@ -347,22 +347,22 @@ static int mmap_return_error(int err, struct mmap_batch_state *st)
if (st->version == 1) {
if (err) {
- xen_pfn_t mfn;
+ xen_pfn_t gfn;
- ret = get_user(mfn, st->user_mfn);
+ ret = get_user(gfn, st->user_gfn);
if (ret < 0)
return ret;
/*
* V1 encodes the error codes in the 32bit top
- * nibble of the mfn (with its known
+ * nibble of the gfn (with its known
* limitations vis-a-vis 64 bit callers).
*/
- mfn |= (err == -ENOENT) ?
+ gfn |= (err == -ENOENT) ?
PRIVCMD_MMAPBATCH_PAGED_ERROR :
PRIVCMD_MMAPBATCH_MFN_ERROR;
- return __put_user(mfn, st->user_mfn++);
+ return __put_user(gfn, st->user_gfn++);
} else
- st->user_mfn++;
+ st->user_gfn++;
} else { /* st->version == 2 */
if (err)
return __put_user(err, st->user_err++);
@@ -388,7 +388,7 @@ static int mmap_return_errors(void *data, int nr, void *state)
return 0;
}
-/* Allocate pfns that are then mapped with gmfns from foreign domid. Update
+/* Allocate pfns that are then mapped with gfns from foreign domid. Update
* the vma with the page info to use later.
* Returns: 0 if success, otherwise -errno
*/
@@ -414,7 +414,7 @@ static int alloc_empty_pages(struct vm_area_struct *vma, int numpgs)
return 0;
}
-static struct vm_operations_struct privcmd_vm_ops;
+static const struct vm_operations_struct privcmd_vm_ops;
static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
{
@@ -526,7 +526,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
if (state.global_error) {
/* Write back errors in second pass. */
- state.user_mfn = (xen_pfn_t *)m.arr;
+ state.user_gfn = (xen_pfn_t *)m.arr;
state.user_err = m.err;
ret = traverse_pages_block(m.num, sizeof(xen_pfn_t),
&pagelist, mmap_return_errors, &state);
@@ -587,7 +587,7 @@ static void privcmd_close(struct vm_area_struct *vma)
if (!xen_feature(XENFEAT_auto_translated_physmap) || !numpgs || !pages)
return;
- rc = xen_unmap_domain_mfn_range(vma, numpgs, pages);
+ rc = xen_unmap_domain_gfn_range(vma, numpgs, pages);
if (rc == 0)
free_xenballooned_pages(numpgs, pages);
else
@@ -605,7 +605,7 @@ static int privcmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
-static struct vm_operations_struct privcmd_vm_ops = {
+static const struct vm_operations_struct privcmd_vm_ops = {
.close = privcmd_close,
.fault = privcmd_fault
};