Open Menu /

Documented in 1 files:

Defined in 1 files as a function:

Referenced in 11 files:

Smatch caller information:

net/rds/ib_send.c rds_ib_xmit() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 2 nents s32min-(-1),1-s32max
PARAM_VALUE 3 direction 1

net/rds/ib_send.c rds_ib_xmit_atomic() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 2 nents 1
PARAM_VALUE 3 direction 2

net/rds/ib_send.c rds_ib_xmit_rdma() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 3 direction 1-2
FUZZY_MAX 3 direction 2
HARD_MAX 3 direction 2

net/rds/ib_recv.c rds_ib_recv_refill_one() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 1 sg 4096-ptr_max
PARAM_VALUE 1 sg->dma_address 0
PARAM_VALUE 1 sg->dma_flags 0
PARAM_VALUE 1 sg->dma_length 0
PARAM_VALUE 1 sg->length 0-4096
PARAM_VALUE 2 nents 1
PARAM_VALUE 3 direction 2
RX_PATH
TASK_NOT_RUNNING

net/sunrpc/xprtrdma/frwr_ops.c frwr_map() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 2 nents 0-s32max
PARAM_VALUE 3 direction 1-2
DATA_SOURCE 3 direction r rpcrdma_data_dir
TASK_NOT_RUNNING
UNITS 2 nents unit_byte

net/sunrpc/xprtrdma/frwr_ops.c frwr_wp_create() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 1 sg 4096-ptr_max
PARAM_VALUE 1 sg->dma_address 0
PARAM_VALUE 1 sg->dma_flags 0
PARAM_VALUE 1 sg->dma_length 0
PARAM_VALUE 1 sg->length 4
PARAM_VALUE 1 sg->offset 0-4095
PARAM_VALUE 2 nents 1
PARAM_VALUE 3 direction 2
MEM_ZERO 1 sg
UNITS 2 nents unit_byte
HALF_LOCKED2 &pool->lock

drivers/infiniband/ulp/rtrs/rtrs-clt.c rtrs_clt_read_req() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 2 nents s32min-(-1),1-s32max
PARAM_VALUE 3 direction 0,2-u32max
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
LOCK2 rcu_read

drivers/infiniband/ulp/rtrs/rtrs-clt.c rtrs_clt_write_req() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 2 nents s32min-(-1),1-s32max
PARAM_VALUE 3 direction 1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
LOCK2 rcu_read

net/rds/ib_frmr.c rds_ib_map_frmr() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 1 sg 0,4096-ptr_max
PARAM_VALUE 1 sg->dma_address 0
PARAM_VALUE 1 sg->dma_flags 0
PARAM_VALUE 1 sg->dma_length 0
PARAM_VALUE 1 sg->length 0
PARAM_VALUE 1 sg->offset 0
PARAM_VALUE 1 sg->page_link 0
PARAM_VALUE 2 nents 0-s32max
PARAM_VALUE 3 direction 0
BUF_SIZE 1 sg 0,32-s32max
BUF_SIZE 1 sg 0,32-s32max
CAPPED_DATA 2 nents 1
DATA_SOURCE 1 sg $3
DATA_SOURCE 2 nents $4
NOSPEC 2 nents
NOSPEC 2 nents
RX_PATH
TASK_NOT_RUNNING
USER_DATA 2 nents 2-s32max[c]
NO_OVERFLOW_SIMPLE 2 nents

drivers/nvme/host/rdma.c nvme_rdma_dma_map_req() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 1 sg 4096-ptr_max
PARAM_VALUE 1 sg->dma_address 0
PARAM_VALUE 1 sg->dma_flags 0
PARAM_VALUE 1 sg->dma_length 0
PARAM_VALUE 1 sg->length 0
PARAM_VALUE 1 sg->offset 0
PARAM_VALUE 1 sg->page_link 0
PARAM_VALUE 2 nents 0-s32max
PARAM_VALUE 3 direction 1-2
CAPPED_DATA 2 nents 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 nents r blk_rq_map_sg
FUZZY_MAX 3 direction 2
HARD_MAX 3 direction 2
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
HALF_LOCKED2 __tag_set->srcu
HALF_LOCKED2 rcu_read

drivers/nvme/host/rdma.c nvme_rdma_dma_map_req() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 0 dev->dma_device 0,4096-ptr_max
PARAM_VALUE 0 dev->dma_device->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 dev->dma_device->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 dev->dma_device->iommu->attach_deferred 0-1
PARAM_VALUE 0 dev->dma_device->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 1 sg 4096-ptr_max
PARAM_VALUE 1 sg->dma_address 0
PARAM_VALUE 1 sg->dma_flags 0
PARAM_VALUE 1 sg->dma_length 0
PARAM_VALUE 1 sg->offset 0
PARAM_VALUE 1 sg->page_link 0,2-u64max
PARAM_VALUE 2 nents 0-u16max
PARAM_VALUE 3 direction 1-2
CAPPED_DATA 0 dev->dma_device 1
CAPPED_DATA 2 nents 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 nents r blk_rq_map_integrity_sg
FUZZY_MAX 3 direction 2
HARD_MAX 3 direction 2
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
HALF_LOCKED2 __tag_set->srcu
HALF_LOCKED2 rcu_read

drivers/infiniband/ulp/rtrs/rtrs-srv.c map_cont_bufs() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 sg 0
PARAM_VALUE 2 nents 0
PARAM_VALUE 3 direction 0
BUF_SIZE 1 sg 0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 dev->hw_stats_attr_index
NO_OVERFLOW_SIMPLE 0 dev->num_comp_vectors
NO_OVERFLOW_SIMPLE 0 dev->phys_port_cnt
UNITS 1 sg unit_byte
LOCK2 &srv->paths_mutex
HALF_LOCKED2 &id_priv->handler_mutex
HALF_LOCKED2 &listen_id->handler_mutex
TYPE_LOCK (struct rtrs_srv_sess)->paths_mutex

drivers/infiniband/ulp/iser/iser_memory.c iser_dma_map_task_data() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 3 direction 1-2
DATA_SOURCE 3 direction $2
HARD_MAX 3 direction 2
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &session->frwd_lock
HALF_LOCKED2 bh

drivers/infiniband/ulp/iser/iser_memory.c iser_dma_map_task_data() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 0 dev->dma_device 0,4096-ptr_max
PARAM_VALUE 0 dev->dma_device->dma_io_tlb_pools.next->prev 4096-ptr_max
PARAM_VALUE 0 dev->dma_device->dma_io_tlb_pools.next->prev->prev 4096-ptr_max
PARAM_VALUE 0 dev->dma_device->iommu->attach_deferred 0-1
PARAM_VALUE 0 dev->dma_device->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 3 direction 1-2
CAPPED_DATA 0 dev->dma_device 1
DATA_SOURCE 3 direction $2
HARD_MAX 3 direction 2
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &session->frwd_lock
HALF_LOCKED2 bh

drivers/infiniband/ulp/srp/ib_srp.c srp_map_data() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 1 sg 1-u64max
PARAM_VALUE 3 direction 1-2
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
HALF_LOCKED2 &sdev->state_mutex

net/smc/smc_ib.c smc_ib_buf_map_sg() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 3 direction 1-2
DATA_SOURCE 3 direction $2
FUZZY_MAX 3 direction 2
HARD_MAX 3 direction 2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
HALF_LOCKED2 &lgr->llc_conf_mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 lock

fs/smb/smbdirect/mr.c smbdirect_connection_register_mr_io() -> ib_dma_map_sg()

Type Parameter Key Value
PARAM_VALUE 1 sg->dma_address 0
PARAM_VALUE 1 sg->dma_flags 0
PARAM_VALUE 1 sg->dma_length 0
PARAM_VALUE 1 sg->length 0
PARAM_VALUE 1 sg->offset 0
PARAM_VALUE 1 sg->page_link 0
PARAM_VALUE 3 direction 2
MEM_ZERO 1 sg
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sg unit_byte
LOCK2 &mr->mutex
TYPE_LOCK (struct smbdirect_mr_io)->mutex