mthca_READ_MGM identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/infiniband/hw/mthca/mthca_cmd.h, line 317 (as a prototype)

Defined in 1 files as a function:

drivers/infiniband/hw/mthca/mthca_cmd.c, line 1940 (as a function)

Referenced in 1 files:

drivers/infiniband/hw/mthca/mthca_mcg.c

Smatch caller information:

drivers/infiniband/hw/mthca/mthca_mcg.c find_mgm() -> mthca_READ_MGM()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->cmd.context_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.event_sem.first_waiter->up	1
PARAM_VALUE	0	dev->cmd.event_sem.last_holder	0
PARAM_VALUE	0	dev->cmd.event_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->cmd.poll_sem.first_waiter->up	0-1
PARAM_VALUE	0	dev->cmd.poll_sem.last_holder	0
PARAM_VALUE	0	dev->cmd.poll_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	dev->cmd.pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	dev->cmd.pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->size	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->mcg_table.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	index	0-67108863
PARAM_VALUE	2	mailbox	4096-ptr_max
PARAM_VALUE	2	mailbox->buf	4096-ptr_max
BUF_SIZE	2	mailbox	16
CAPPED_DATA	0	dev->cmd.pool->size	1
DATA_SOURCE	0	dev	$0
DATA_SOURCE	2	mailbox	$2
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	index	1-u16max[c]
LOCK2	0	&dev->mcg_table.mutex
HALF_LOCKED2		&obj->mcast_lock
TYPE_LOCK		(struct mthca_mcg_table)->mutex

drivers/infiniband/hw/mthca/mthca_mcg.c mthca_multicast_attach() -> mthca_READ_MGM()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->cmd.context_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.event_sem.first_waiter->up	1
PARAM_VALUE	0	dev->cmd.event_sem.last_holder	0
PARAM_VALUE	0	dev->cmd.event_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->cmd.poll_sem.first_waiter->up	0-1
PARAM_VALUE	0	dev->cmd.poll_sem.last_holder	0
PARAM_VALUE	0	dev->cmd.poll_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	dev->cmd.pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->size	0-s32max
PARAM_VALUE	0	dev->mcg_table.alloc.lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->mcg_table.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	index	s32min-(-2),0-s32max
PARAM_VALUE	2	mailbox	4096-ptr_max
PARAM_VALUE	2	mailbox->buf	4096-ptr_max
BUF_SIZE	2	mailbox	16
CAPPED_DATA	0	dev->cmd.pool->size	1
CAPPED_DATA	0	dev->mcg_table.alloc.max	1
CAPPED_DATA	0	&dev->mcg_table.mutex	1
DATA_SOURCE	0	dev	r to_mdev
DATA_SOURCE	1	index	r mthca_alloc
DATA_SOURCE	2	mailbox	r mthca_alloc_mailbox
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&dev->mcg_table.mutex
HALF_LOCKED2		&obj->mcast_lock
TYPE_LOCK		(struct mthca_mcg_table)->mutex

drivers/infiniband/hw/mthca/mthca_mcg.c mthca_multicast_attach() -> mthca_READ_MGM()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->cmd.context_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.event_sem.first_waiter->up	1
PARAM_VALUE	0	dev->cmd.event_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->cmd.poll_sem.first_waiter->up	0-1
PARAM_VALUE	0	dev->cmd.poll_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	dev->cmd.pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->size	0-s32max
PARAM_VALUE	0	dev->mcg_table.alloc.lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->mcg_table.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	index	(-1)-67108863
PARAM_VALUE	2	mailbox	4096-ptr_max
PARAM_VALUE	2	mailbox->buf	4096-ptr_max
BUF_SIZE	2	mailbox	16
CAPPED_DATA	0	dev->cmd.pool->size	1
CAPPED_DATA	0	dev->mcg_table.alloc.max	1
CAPPED_DATA	0	&dev->mcg_table.mutex	1
DATA_SOURCE	0	dev	r to_mdev
DATA_SOURCE	2	mailbox	r mthca_alloc_mailbox
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	index	1-u16max[c]
LOCK2	0	&dev->mcg_table.mutex
HALF_LOCKED2		&obj->mcast_lock
TYPE_LOCK		(struct mthca_mcg_table)->mutex

drivers/infiniband/hw/mthca/mthca_mcg.c mthca_multicast_detach() -> mthca_READ_MGM()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->cmd.context_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.event_sem.first_waiter->up	1
PARAM_VALUE	0	dev->cmd.event_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->cmd.poll_sem.first_waiter->up	0-1
PARAM_VALUE	0	dev->cmd.poll_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	dev->cmd.pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->size	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->mcg_table.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	index	1-67108863
PARAM_VALUE	2	mailbox	4096-ptr_max
PARAM_VALUE	2	mailbox->buf	4096-ptr_max
BUF_SIZE	2	mailbox	16
CAPPED_DATA	0	dev->cmd.pool->size	1
CAPPED_DATA	0	&dev->mcg_table.mutex	1
DATA_SOURCE	0	dev	r to_mdev
DATA_SOURCE	2	mailbox	r mthca_alloc_mailbox
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&dev->mcg_table.mutex
HALF_LOCKED2		&obj->mcast_lock
TYPE_LOCK		(struct mthca_mcg_table)->mutex

drivers/infiniband/hw/mthca/mthca_mcg.c mthca_multicast_detach() -> mthca_READ_MGM()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->cmd.context_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.event_sem.first_waiter->up	1
PARAM_VALUE	0	dev->cmd.event_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->cmd.hcr_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->cmd.poll_sem.first_waiter->up	0-1
PARAM_VALUE	0	dev->cmd.poll_sem.lock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	dev->cmd.pool->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dev->cmd.pool->size	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->mcg_table.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->mcg_table.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->mcg_table.mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	index	0-67108863
PARAM_VALUE	2	mailbox	4096-ptr_max
PARAM_VALUE	2	mailbox->buf	4096-ptr_max
BUF_SIZE	2	mailbox	16
CAPPED_DATA	0	dev->cmd.pool->size	1
CAPPED_DATA	0	&dev->mcg_table.mutex	1
DATA_SOURCE	0	dev	r to_mdev
DATA_SOURCE	2	mailbox	r mthca_alloc_mailbox
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	index	1-u16max[c]
LOCK2	0	&dev->mcg_table.mutex
HALF_LOCKED2		&obj->mcast_lock
TYPE_LOCK		(struct mthca_mcg_table)->mutex