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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-12-18 19:17:31 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2014-07-07 10:37:40 +0000 |
| commit | 4aba9eb138e5d68c400de0b116f15217d7a92d3a (patch) | |
| tree | 260720164d2f8e4aa3d8fe52a7bba8800edab23f | |
| parent | 9d9de254c2b81b68cd48f2324cc753a570a4cdd8 (diff) | |
| download | qemu-4aba9eb138e5d68c400de0b116f15217d7a92d3a.tar.gz qemu-4aba9eb138e5d68c400de0b116f15217d7a92d3a.tar.bz2 qemu-4aba9eb138e5d68c400de0b116f15217d7a92d3a.zip | |
xen_backend: introduce xenstore_read_uint64 and xenstore_read_fe_uint64
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/xen/xen_backend.c | 18 | ||||
| -rw-r--r-- | include/hw/xen/xen_backend.h | 2 |
2 files changed, 20 insertions, 0 deletions
diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c index 3cd45b407c..b2cb22b99d 100644 --- a/hw/xen/xen_backend.c +++ b/hw/xen/xen_backend.c @@ -111,6 +111,19 @@ int xenstore_read_int(const char *base, const char *node, int *ival) return rc; } +int xenstore_read_uint64(const char *base, const char *node, uint64_t *uval) +{ + char *val; + int rc = -1; + + val = xenstore_read_str(base, node); + if (val && 1 == sscanf(val, "%"SCNu64, uval)) { + rc = 0; + } + g_free(val); + return rc; +} + int xenstore_write_be_str(struct XenDevice *xendev, const char *node, const char *val) { return xenstore_write_str(xendev->be, node, val); @@ -146,6 +159,11 @@ int xenstore_read_fe_int(struct XenDevice *xendev, const char *node, int *ival) return xenstore_read_int(xendev->fe, node, ival); } +int xenstore_read_fe_uint64(struct XenDevice *xendev, const char *node, uint64_t *uval) +{ + return xenstore_read_uint64(xendev->fe, node, uval); +} + /* ------------------------------------------------------------- */ const char *xenbus_strstate(enum xenbus_state state) diff --git a/include/hw/xen/xen_backend.h b/include/hw/xen/xen_backend.h index 3b7d96d7a5..3b4125e39f 100644 --- a/include/hw/xen/xen_backend.h +++ b/include/hw/xen/xen_backend.h @@ -74,6 +74,8 @@ char *xenstore_read_be_str(struct XenDevice *xendev, const char *node); int xenstore_read_be_int(struct XenDevice *xendev, const char *node, int *ival); char *xenstore_read_fe_str(struct XenDevice *xendev, const char *node); int xenstore_read_fe_int(struct XenDevice *xendev, const char *node, int *ival); +int xenstore_read_uint64(const char *base, const char *node, uint64_t *uval); +int xenstore_read_fe_uint64(struct XenDevice *xendev, const char *node, uint64_t *uval); const char *xenbus_strstate(enum xenbus_state state); struct XenDevice *xen_be_find_xendev(const char *type, int dom, int dev); |