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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/block/ublk_drv.c __ublk_deinit_queue() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
BUF_SIZE 0 ub (-1),3624-36384
BUF_SIZE 0 ub (-1),3624-36384
CAPPED_DATA 0 ub->dev_info.nr_hw_queues 1
CAPPED_DATA 0 ub->tag_set.nr_hw_queues 1
CAPPED_DATA 0 ub->tag_set.nr_maps 1
DATA_SOURCE 0 ub $0
NOSPEC 0 ub->dev_info.nr_hw_queues
NOSPEC 0 ub->dev_info.queue_depth
NOSPEC 0 ub->tag_set.nr_hw_queues
NOSPEC 0 ub->tag_set.queue_depth
NOSPEC 0 ub->tag_set.shared_tags->nr_tags
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ub->dev_info.flags 147522-1204289[c]
USER_DATA 0 ub->dev_info.max_io_buf_bytes 0,4096-u32max[c]
USER_DATA 0 ub->dev_info.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->dev_info.pad1 0-u32max
USER_DATA 0 ub->dev_info.queue_depth 1-4096[c]
USER_DATA 0 ub->dev_info.reserved1 0-u64max
USER_DATA 0 ub->dev_info.reserved2 0-u64max
USER_DATA 0 ub->dev_info.state 0-u16max
USER_DATA 0 ub->dev_info.ublksrv_flags 0-u64max
USER_DATA 0 ub->dev_info.ublksrv_pid s32min-s32max
USER_DATA 0 ub->tag_set.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->tag_set.queue_depth 1-4096[c]
USER_DATA 0 ub->tag_set.shared_tags->nr_tags 1-4096[c]
HALF_LOCKED2 global &ublk_ctl_mutex

drivers/block/ublk_drv.c __ublk_fail_req() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
CAPPED_DATA 0 ub->dev_info.nr_hw_queues 1
DATA_SOURCE 0 ub $0
LOCK2 0 &ub->cancel_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct ublk_device)->cancel_mutex

drivers/block/ublk_drv.c __ublk_fetch() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
BUF_SIZE 0 ub s32min-(-2),1-s32max
BUF_SIZE 0 ub s32min-(-2),1-s32max
DATA_SOURCE 0 ub $1
PARAM_COMPARE 0 ub->dev_info.nr_hw_queues != $0->nr_queue_ready
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &ctx->uring_lock
HALF_LOCKED2 &io->lock
HALF_LOCKED2 0 &ub->mutex

drivers/block/ublk_drv.c ublk_add_chdev() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
PARAM_VALUE 0 ub->dev_info.flags 147522-2252865
BUF_SIZE 0 ub 3528-36288
BUF_SIZE 0 ub 3528-36288
CAPPED_DATA 0 ub->dev_info.dev_id 1
CAPPED_DATA 0 ub->dev_info.nr_hw_queues 1
CAPPED_DATA 0 ub->dev_info.queue_depth 1
DATA_SOURCE 0 ub $0
CAPABLE 0 21
BIT_INFO 0 ub->dev_info.flags 0x24042,0xffffffffffffffff
NOSPEC 0 ub->dev_info.nr_hw_queues
NOSPEC 0 ub->dev_info.queue_depth
NOSPEC 0 ub->tag_set.nr_hw_queues
NOSPEC 0 ub->tag_set.queue_depth
NOSPEC 0 ub->tag_set.shared_tags->nr_tags
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ub->dev_info.flags 147522-2252865[c]
USER_DATA 0 ub->dev_info.io_desc_size 24-256
USER_DATA 0 ub->dev_info.max_io_buf_bytes 0,4096-u32max[c]
USER_DATA 0 ub->dev_info.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->dev_info.pad1 0-u32max
USER_DATA 0 ub->dev_info.queue_depth 1-4096[c]
USER_DATA 0 ub->dev_info.reserved1 0-u64max
USER_DATA 0 ub->dev_info.reserved2 0-u64max
USER_DATA 0 ub->dev_info.ublksrv_flags 0-u64max
USER_DATA 0 ub->tag_set.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->tag_set.queue_depth 1-4096[c]
USER_DATA 0 ub->tag_set.shared_tags->nr_tags 1-4096[c]
NO_OVERFLOW_SIMPLE 0 ub->tag_set.shared_tags->bitmap_tags.sb.depth
NO_OVERFLOW_SIMPLE 0 ub->tag_set.shared_tags->breserved_tags.sb.depth
LOCK2 global &ublk_ctl_mutex
HALF_LOCKED2 &ctx->uring_lock

drivers/block/ublk_drv.c ublk_add_tag_set() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
PARAM_VALUE 0 ub->dev_info.flags 147522-2252865
BUF_SIZE 0 ub 3528-36288
BUF_SIZE 0 ub 3528-36288
CAPPED_DATA 0 ub->dev_info.dev_id 1
CAPPED_DATA 0 ub->dev_info.nr_hw_queues 1
DATA_SOURCE 0 ub $0
CAPABLE 0 21
BIT_INFO 0 ub->dev_info.flags 0x24042,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ub->dev_info.flags 147522-2252865[c]
USER_DATA 0 ub->dev_info.io_desc_size 24-256
USER_DATA 0 ub->dev_info.max_io_buf_bytes 0,4096-u32max[c]
USER_DATA 0 ub->dev_info.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->dev_info.pad1 0-u32max
USER_DATA 0 ub->dev_info.queue_depth 1-4096
USER_DATA 0 ub->dev_info.reserved1 0-u64max
USER_DATA 0 ub->dev_info.reserved2 0-u64max
USER_DATA 0 ub->dev_info.ublksrv_flags 0-u64max
LOCK2 global &ublk_ctl_mutex
HALF_LOCKED2 &ctx->uring_lock

drivers/block/ublk_drv.c ublk_ctrl_add_dev() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
PARAM_VALUE 0 ub->dev_info.flags 155714-2252865
BUF_SIZE 0 ub 3528-36288
BUF_SIZE 0 ub 3528-36288
CAPPED_DATA 0 ub->dev_info.dev_id 1
DATA_SOURCE 0 ub r _kzalloc_noprof
CAPABLE 0 21
BIT_INFO 0 ub->dev_info.flags 0x26042,0x1fffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ub->dev_info.flags 155714-2252865[c]
USER_DATA 0 ub->dev_info.io_desc_size 24-256
USER_DATA 0 ub->dev_info.max_io_buf_bytes 0-u32max
USER_DATA 0 ub->dev_info.nr_hw_queues 1-4096
USER_DATA 0 ub->dev_info.pad1 0-u32max
USER_DATA 0 ub->dev_info.queue_depth 1-4096
USER_DATA 0 ub->dev_info.reserved1 0-u64max
USER_DATA 0 ub->dev_info.reserved2 0-u64max
USER_DATA 0 ub->dev_info.ublksrv_flags 0-u64max
LOCK2 global &ublk_ctl_mutex
HALF_LOCKED2 &ctx->uring_lock

drivers/block/ublk_drv.c ublk_ctrl_add_dev() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
PARAM_VALUE 0 ub->dev_info.flags 147522-2252865
BUF_SIZE 0 ub 3528-36288
BUF_SIZE 0 ub 3528-36288
CAPPED_DATA 0 ub->dev_info.dev_id 1
DATA_SOURCE 0 ub r _kzalloc_noprof
CAPABLE 0 21
BIT_INFO 0 ub->dev_info.flags 0x24042,0x3fffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ub->dev_info.flags 147522-2252865[c]
USER_DATA 0 ub->dev_info.io_desc_size 24-256
USER_DATA 0 ub->dev_info.max_io_buf_bytes 0-u32max
USER_DATA 0 ub->dev_info.nr_hw_queues 1-4096
USER_DATA 0 ub->dev_info.pad1 0-u32max
USER_DATA 0 ub->dev_info.queue_depth 1-4096
USER_DATA 0 ub->dev_info.reserved1 0-u64max
USER_DATA 0 ub->dev_info.reserved2 0-u64max
USER_DATA 0 ub->dev_info.ublksrv_flags 0-u64max
LOCK2 global &ublk_ctl_mutex
HALF_LOCKED2 &ctx->uring_lock

drivers/block/ublk_drv.c ublk_init_queue() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
PARAM_VALUE 0 ub->dev_info.flags 147522-2252865
BUF_SIZE 0 ub 3528-36288
BUF_SIZE 0 ub 3528-36288
CAPPED_DATA 0 ub->dev_info.dev_id 1
CAPPED_DATA 0 ub->dev_info.nr_hw_queues 1
CAPPED_DATA 0 ub->dev_info.queue_depth 1
DATA_SOURCE 0 ub $0
CAPABLE 0 21
BIT_INFO 0 ub->dev_info.flags 0x24042,0xffffffffffffffff
NOSPEC 0 ub->dev_info.nr_hw_queues
NOSPEC 0 ub->tag_set.nr_hw_queues
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ub->dev_info.flags 147522-2252865[c]
USER_DATA 0 ub->dev_info.io_desc_size 24-256
USER_DATA 0 ub->dev_info.max_io_buf_bytes 0,4096-u32max[c]
USER_DATA 0 ub->dev_info.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->dev_info.pad1 0-u32max
USER_DATA 0 ub->dev_info.queue_depth 1-4096[c]
USER_DATA 0 ub->dev_info.reserved1 0-u64max
USER_DATA 0 ub->dev_info.reserved2 0-u64max
USER_DATA 0 ub->dev_info.ublksrv_flags 0-u64max
USER_DATA 0 ub->tag_set.nr_hw_queues 1-4096[c]
USER_DATA 0 ub->tag_set.queue_depth 1-4096[c]
NO_OVERFLOW_SIMPLE 0 ub->tag_set.shared_tags->bitmap_tags.sb.depth
NO_OVERFLOW_SIMPLE 0 ub->tag_set.shared_tags->breserved_tags.sb.depth
LOCK2 global &ublk_ctl_mutex
HALF_LOCKED2 &ctx->uring_lock

drivers/block/ublk_drv.c ublk_wait_for_idle_io() -> ublk_dev_support_batch_io()

Type Parameter Key Value
PARAM_VALUE 0 ub 4096-ptr_max
BUF_SIZE 0 ub (-1),26
BUF_SIZE 0 ub (-1),26
CAPPED_DATA 0 ub->dev_info.nr_hw_queues 1
DATA_SOURCE 0 ub $0
BIT_INFO 0 ub->dev_info.flags 0x1000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &ub->mutex
HALF_LOCKED2 &ctx->uring_lock
TYPE_LOCK (struct ublk_device)->mutex