Commit 4aba9eb1 authored by Stefano Stabellini's avatar Stefano Stabellini
Browse files

xen_backend: introduce xenstore_read_uint64 and xenstore_read_fe_uint64 



Signed-off-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 9d9de254

hw/xen/xen_backend.c

+18 −0
Original line number Diff line number Diff line
@@ -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)

include/hw/xen/xen_backend.h

+2 −0
Original line number Diff line number Diff line
@@ -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);