[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PULL 1/2] xen_backend: introduce xenstore_read_uint64 and xenstore_read_fe_uint64
Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Reviewed-by: Peter Maydell <peter.maydell@xxxxxxxxxx> --- hw/xen/xen_backend.c | 18 ++++++++++++++++++ include/hw/xen/xen_backend.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c index 3cd45b4..b2cb22b 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 3b7d96d..3b4125e 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); -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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