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author | Ian Campbell <ian.campbell@citrix.com> | 2010-12-03 09:36:47 +0000 |
---|---|---|
committer | Ian Campbell <ian.campbell@citrix.com> | 2010-12-03 09:36:47 +0000 |
commit | e4371c99d8dcff34d8f2699e3cccbd80a0a24876 (patch) | |
tree | 8cfe32dbcf12e672fd25b40831c3d120de36f837 /tools | |
parent | fcc007081b6e549911b83605cbffbfe8d651f5f8 (diff) | |
download | xen-e4371c99d8dcff34d8f2699e3cccbd80a0a24876.tar.gz xen-e4371c99d8dcff34d8f2699e3cccbd80a0a24876.tar.bz2 xen-e4371c99d8dcff34d8f2699e3cccbd80a0a24876.zip |
libxc: osdep: convert xc_gnttab_munmap()
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/libxc/xc_gnttab.c | 9 | ||||
-rw-r--r-- | tools/libxc/xc_linux.c | 9 | ||||
-rw-r--r-- | tools/libxc/xc_minios.c | 10 | ||||
-rw-r--r-- | tools/libxc/xenctrlosdep.h | 3 |
4 files changed, 24 insertions, 7 deletions
diff --git a/tools/libxc/xc_gnttab.c b/tools/libxc/xc_gnttab.c index e39502f228..eb78d01327 100644 --- a/tools/libxc/xc_gnttab.c +++ b/tools/libxc/xc_gnttab.c @@ -174,6 +174,15 @@ void *xc_gnttab_map_domain_grant_refs(xc_gnttab *xcg, count, domid, refs, prot); } +int xc_gnttab_munmap(xc_gnttab *xcg, + void *start_address, + uint32_t count) +{ + return xcg->ops->u.gnttab.munmap(xcg, xcg->ops_handle, + start_address, count); +} + + /* * Local variables: * mode: C diff --git a/tools/libxc/xc_linux.c b/tools/libxc/xc_linux.c index 0b503e9828..945b26f93d 100644 --- a/tools/libxc/xc_linux.c +++ b/tools/libxc/xc_linux.c @@ -612,8 +612,10 @@ static void *linux_gnttab_map_domain_grant_refs(xc_gnttab *xcg, xc_osdep_handle return do_gnttab_map_grant_refs(xcg, h, count, &domid, 0, refs, prot); } -int xc_gnttab_munmap(xc_gnttab *xcg, void *start_address, uint32_t count) +static int linux_gnttab_munmap(xc_gnttab *xcg, xc_osdep_handle h, + void *start_address, uint32_t count) { + int fd = (int)h; struct ioctl_gntdev_get_offset_for_vaddr get_offset; struct ioctl_gntdev_unmap_grant_ref unmap_grant; int rc; @@ -628,7 +630,7 @@ int xc_gnttab_munmap(xc_gnttab *xcg, void *start_address, uint32_t count) * mmap() the pages. */ get_offset.vaddr = (unsigned long)start_address; - if ( (rc = ioctl(xcg->fd, IOCTL_GNTDEV_GET_OFFSET_FOR_VADDR, + if ( (rc = ioctl(fd, IOCTL_GNTDEV_GET_OFFSET_FOR_VADDR, &get_offset)) ) return rc; @@ -645,7 +647,7 @@ int xc_gnttab_munmap(xc_gnttab *xcg, void *start_address, uint32_t count) /* Finally, unmap the driver slots used to store the grant information. */ unmap_grant.index = get_offset.offset; unmap_grant.count = count; - if ( (rc = ioctl(xcg->fd, IOCTL_GNTDEV_UNMAP_GRANT_REF, &unmap_grant)) ) + if ( (rc = ioctl(fd, IOCTL_GNTDEV_UNMAP_GRANT_REF, &unmap_grant)) ) return rc; return 0; @@ -671,6 +673,7 @@ static struct xc_osdep_ops linux_gnttab_ops = { .map_grant_ref = &linux_gnttab_map_grant_ref, .map_grant_refs = &linux_gnttab_map_grant_refs, .map_domain_grant_refs = &linux_gnttab_map_domain_grant_refs, + .munmap = &linux_gnttab_munmap, }, }; diff --git a/tools/libxc/xc_minios.c b/tools/libxc/xc_minios.c index ab2620cd38..c249f81cbe 100644 --- a/tools/libxc/xc_minios.c +++ b/tools/libxc/xc_minios.c @@ -488,12 +488,13 @@ static void *minios_gnttab_map_domain_grant_refs(xc_gnttab *xcg, xc_osdep_handle prot & PROT_WRITE); } -int xc_gnttab_munmap(xc_gnttab *xcg, - void *start_address, - uint32_t count) +static int minios_gnttab_munmap(xc_gnttab *xcg, xc_osdep_handle h, + void *start_address, + uint32_t count) { + int fd = (int)h; int ret; - ret = gntmap_munmap(&files[xcg->fd].gntmap, + ret = gntmap_munmap(&files[fd].gntmap, (unsigned long) start_address, count); if (ret < 0) { @@ -524,6 +525,7 @@ static struct xc_osdep_ops minios_gnttab_ops = { .map_grant_ref = &minios_gnttab_map_grant_ref, .map_grant_refs = &minios_gnttab_map_grant_refs, .map_domain_grant_refs = &minios_gnttab_map_domain_grant_refs, + .munmap = &minios_gnttab_munmap, }, }; diff --git a/tools/libxc/xenctrlosdep.h b/tools/libxc/xenctrlosdep.h index 65433a33f0..094d035045 100644 --- a/tools/libxc/xenctrlosdep.h +++ b/tools/libxc/xenctrlosdep.h @@ -104,6 +104,9 @@ struct xc_osdep_ops uint32_t domid, uint32_t *refs, int prot); + int (*munmap)(xc_gnttab *xcg, xc_osdep_handle h, + void *start_address, + uint32_t count); } gnttab; } u; }; |