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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 10 files:

Smatch caller information:

drivers/tty/hvc/hvc_xen.c xencons_connect_backend() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 0 count 1
PARAM_VALUE 1 head 7021613506302054400
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dev->reclaim_sem

drivers/net/xen-netfront.c xennet_init_queue() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 0 count 256
PARAM_VALUE 1 head 4096-ptr_max
TASK_NOT_RUNNING
LOCK2 global &rtnl_mutex
LOCK2 global &xenwatch_mutex

drivers/net/xen-netfront.c xennet_init_queue() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 0 count 256
PARAM_VALUE 1 head 4096-ptr_max
TASK_NOT_RUNNING
LOCK2 global &rtnl_mutex
LOCK2 global &xenwatch_mutex

drivers/xen/pvcalls-front.c pvcalls_front_probe() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 0 count 1
PARAM_VALUE 1 head 3943318879016566784
PARAM_VALUE 1 *head 0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dev->reclaim_sem
TYPE_LOCK (struct xenbus_device)->reclaim_sem

drivers/scsi/xen-scsifront.c map_data_for_request() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 1 head 1205600205648855040
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 flags
LOCK2 shost->host_lock
HALF_LOCKED2 &sdev->state_mutex

drivers/xen/xenbus/xenbus_client.c xenbus_setup_ring() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 0 count 1
PARAM_VALUE 1 head 4716445786958929920
DATA_SOURCE 0 count $3
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dev->reclaim_sem
HALF_LOCKED2 global &xenwatch_mutex

drivers/xen/xen-front-pgdir-shbuf.c grant_references() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 1 head 894427278399983616
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 count
UNITS 0 count unit_array_size
HALF_LOCKED2 &runtime->buffer_mutex

drivers/usb/host/xen-hcd.c xenhcd_map_urb_for_request() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 1 head 649852107327262720
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &info->lock
LOCK2 flags
TYPE_LOCK (struct xenhcd_info)->lock

drivers/block/xen-blkfront.c blkif_queue_rw_req() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 1 head 6368949812057554976
PARAM_VALUE 1 *head 0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &rinfo->ring_lock
LOCK2 flags
HALF_LOCKED2 __tag_set->srcu
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct blkfront_ring_info)->ring_lock

drivers/xen/gntdev-dmabuf.c dmabuf_imp_grant_foreign_access() -> gnttab_alloc_grant_references()

Type Parameter Key Value
PARAM_VALUE 1 head 8944738852544634880
CAPPED_DATA 0 count 1
DATA_SOURCE 0 count $2
NOSPEC 0 count
NOSPEC 0 count
USER_DATA 0 count 0-u16max[c]
NO_OVERFLOW_SIMPLE 0 count
UNITS 0 count unit_array_size