pcie_get_width_cap identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/pci/pci.c, line 6077

Defined in 1 files as a prototype:

include/linux/pci.h, line 324 (as a prototype)

Defined in 1 files as a function:

drivers/pci/pci.c, line 6084 (as a function)

Referenced in 4 files:

Smatch caller information:

drivers/pci/pci-sysfs.c max_link_width_show() -> pcie_get_width_cap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->dev.parent	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->bus	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.parent->type	0,4096-ptr_max
PARAM_VALUE	0	dev->dev.power.wakeirq->status	0-4294967295
RX_PATH
TASK_NOT_RUNNING
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/pci/pci.c pcie_bandwidth_capable() -> pcie_get_width_cap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->bus->self->link_bwctrl->cdev	(-22),(-19),(-12),0-s64max
PARAM_VALUE	0	dev->dev.cma_area->nranges	s32min-s32max
PARAM_VALUE	0	dev->dev.dma_io_tlb_mem->debugfs	0-s64max
PARAM_VALUE	0	dev->dev.msi.data->__iter_idx	0-s64max
PARAM_VALUE	0	dev->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	dev->driver->err_handler	0,4096-ptr_max
PARAM_VALUE	0	dev->link_bwctrl->cdev	(-22),(-19),(-12),0-s64max
PARAM_VALUE	0	dev->subordinate->self->link_bwctrl->cdev	(-22),(-19),(-12),0-s64max
PARAM_VALUE	0	*dev->physfn->saved_config_space	0-4294967295
PARAM_VALUE	0	*dev->saved_config_space	0-4294967295
BUF_SIZE	0	dev	(-1),1-s32max
BUF_SIZE	0	dev	(-1),1-s32max
BUF_SIZE	0	dev->dev.dma_mask	(-1),8
BUF_SIZE	0	dev->dev.dma_parms	(-1),16
DATA_SOURCE	0	dev	$0
STR_LEN	0	dev->dev.driver_data	(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	dev->acs_capabilities	0-u16max
HOST_DATA	0	dev->bus->bridge_ctl	0-u16max
HOST_DATA	0	dev->bus->parent->bridge_ctl	0-u16max
HOST_DATA	0	dev->class	0-16777215
HOST_DATA	0	dev->current_state	0-3[c]
HOST_DATA	0	dev->devcap	0-u32max
HOST_DATA	0	dev->devfn	0-503[c]
HOST_DATA	0	dev->device	0-u16max
HOST_DATA	0	dev->eetlp_prefix_max	0-7[c]
HOST_DATA	0	dev->fm_enabled	0-1[c]
HOST_DATA	0	dev->hdr_type	0-255[c]
HOST_DATA	0	dev->ide_cfg	0-1[c]
HOST_DATA	0	dev->ide_tee_limit	0-1[c]
HOST_DATA	0	dev->irq	0-255
HOST_DATA	0	dev->is_cxl	0-1
HOST_DATA	0	dev->multifunction	0-1[c]
HOST_DATA	0	dev->nr_ide_mem	0-255[c]
HOST_DATA	0	dev->pcie_flags_reg	0-u16max
HOST_DATA	0	dev->pcie_mpss	0-7[c]
HOST_DATA	0	dev->physfn->acs_capabilities	0-u16max
HOST_DATA	0	dev->physfn->bus->bridge_ctl	0-u16max
HOST_DATA	0	dev->physfn->bus->parent->bridge_ctl	0-u16max
HOST_DATA	0	dev->physfn->class	0-16777215
HOST_DATA	0	dev->physfn->current_state	0-3[c]
HOST_DATA	0	dev->physfn->devcap	0-u32max
HOST_DATA	0	dev->physfn->devfn	1-503[c]
HOST_DATA	0	dev->physfn->device	0-u16max
HOST_DATA	0	dev->physfn->eetlp_prefix_max	0-7[c]
HOST_DATA	0	dev->physfn->fm_enabled	0-1[c]
HOST_DATA	0	dev->physfn->hdr_type	0-255[c]
HOST_DATA	0	dev->physfn->ide_cfg	0-1[c]
HOST_DATA	0	dev->physfn->ide_tee_limit	0-1[c]
HOST_DATA	0	dev->physfn->irq	0-255
HOST_DATA	0	dev->physfn->is_cxl	0-1
HOST_DATA	0	dev->physfn->multifunction	0-1[c]
HOST_DATA	0	dev->physfn->nr_ide_mem	0-255[c]
HOST_DATA	0	dev->physfn->pcie_flags_reg	0-u16max
HOST_DATA	0	dev->physfn->pcie_mpss	0-7[c]
HOST_DATA	0	dev->physfn->pin	0
HOST_DATA	0	dev->physfn->pme_support	0-31[c]
HOST_DATA	0	dev->physfn->ptm_granularity	0-255[c]
HOST_DATA	0	dev->physfn->revision	0-255
HOST_DATA	0	dev->physfn->sriov->class	0-u32max
HOST_DATA	0	dev->physfn->sriov->hdr_type	0-255
HOST_DATA	0	dev->physfn->sriov->max_VF_buses	0-255[c]
HOST_DATA	0	dev->physfn->sriov->offset	0-u16max
HOST_DATA	0	dev->physfn->sriov->stride	0-u16max
HOST_DATA	0	dev->physfn->sriov->subsystem_device	0-u16max
HOST_DATA	0	dev->physfn->sriov->subsystem_vendor	0-u16max
HOST_DATA	0	dev->physfn->subsystem_device	0-u16max
HOST_DATA	0	dev->physfn->subsystem_vendor	0-u16max
HOST_DATA	0	dev->physfn->supported_speeds	0,2-254[c]
HOST_DATA	0	dev->physfn->transparent	0[c]
HOST_DATA	0	dev->physfn->vendor	0-u16max
HOST_DATA	0	dev->pin	0
HOST_DATA	0	dev->pme_support	0-31[c]
HOST_DATA	0	dev->ptm_granularity	0-255[c]
HOST_DATA	0	dev->rcec_ea->bitmap	0
HOST_DATA	0	dev->rcec_ea->lastbusn	0[c]
HOST_DATA	0	dev->revision	0-255
HOST_DATA	0	dev->sriov->cap	0
HOST_DATA	0	dev->sriov->link	0,8-240[c]
HOST_DATA	0	dev->sriov->max_VF_buses	0-255[c]
HOST_DATA	0	dev->sriov->offset	0-u16max
HOST_DATA	0	dev->sriov->stride	0-u16max
HOST_DATA	0	dev->sriov->vf_device	0
HOST_DATA	0	dev->subsystem_device	0-u16max
HOST_DATA	0	dev->subsystem_vendor	0-u16max
HOST_DATA	0	dev->supported_speeds	0,2-254[c]
HOST_DATA	0	dev->transparent	0[c]
HOST_DATA	0	dev->vendor	0-u16max
HOST_DATA	0	*dev->dev.driver_data	s64min-s64max
HOST_DATA	0	*dev->physfn->dev.driver_data	s64min-s64max
HALF_LOCKED2	0	&dev->dev.mutex

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c amdgpu_device_gpu_bandwidth() -> pcie_get_width_cap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->is_virtfn	0
BUF_SIZE	0	dev	(-1),1-s32max
BUF_SIZE	0	dev	(-1),1-s32max
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	dev->acs_capabilities	0-u16max
HOST_DATA	0	dev->bus->bridge_ctl	0-u16max
HOST_DATA	0	dev->bus->parent->bridge_ctl	0-u16max
HOST_DATA	0	dev->class	0-16777215
HOST_DATA	0	dev->current_state	0-3[c]
HOST_DATA	0	dev->devcap	0-u32max
HOST_DATA	0	dev->devfn	0-503[c]
HOST_DATA	0	dev->device	0-u16max
HOST_DATA	0	dev->eetlp_prefix_max	0-7[c]
HOST_DATA	0	dev->fm_enabled	0-1[c]
HOST_DATA	0	dev->hdr_type	0-255[c]
HOST_DATA	0	dev->ide_cfg	0-1[c]
HOST_DATA	0	dev->ide_tee_limit	0-1[c]
HOST_DATA	0	dev->irq	0-255
HOST_DATA	0	dev->is_cxl	0-1
HOST_DATA	0	dev->multifunction	0-1[c]
HOST_DATA	0	dev->nr_ide_mem	0-255[c]
HOST_DATA	0	dev->pcie_flags_reg	0-u16max
HOST_DATA	0	dev->pcie_mpss	0-7[c]
HOST_DATA	0	dev->physfn->acs_capabilities	0-u16max
HOST_DATA	0	dev->physfn->bus->bridge_ctl	0-u16max
HOST_DATA	0	dev->physfn->bus->parent->bridge_ctl	0-u16max
HOST_DATA	0	dev->physfn->class	0-16777215
HOST_DATA	0	dev->physfn->current_state	0-3[c]
HOST_DATA	0	dev->physfn->devcap	0-u32max
HOST_DATA	0	dev->physfn->devfn	1-503[c]
HOST_DATA	0	dev->physfn->device	0-u16max
HOST_DATA	0	dev->physfn->eetlp_prefix_max	0-7[c]
HOST_DATA	0	dev->physfn->fm_enabled	0-1[c]
HOST_DATA	0	dev->physfn->hdr_type	0-255[c]
HOST_DATA	0	dev->physfn->ide_cfg	0-1[c]
HOST_DATA	0	dev->physfn->ide_tee_limit	0-1[c]
HOST_DATA	0	dev->physfn->irq	0-255
HOST_DATA	0	dev->physfn->is_cxl	0-1
HOST_DATA	0	dev->physfn->multifunction	0-1[c]
HOST_DATA	0	dev->physfn->nr_ide_mem	0-255[c]
HOST_DATA	0	dev->physfn->pcie_flags_reg	0-u16max
HOST_DATA	0	dev->physfn->pcie_mpss	0-7[c]
HOST_DATA	0	dev->physfn->pin	0
HOST_DATA	0	dev->physfn->pme_support	0-31[c]
HOST_DATA	0	dev->physfn->ptm_granularity	0-255[c]
HOST_DATA	0	dev->physfn->revision	0-255
HOST_DATA	0	dev->physfn->subsystem_device	0-u16max
HOST_DATA	0	dev->physfn->subsystem_vendor	0-u16max
HOST_DATA	0	dev->physfn->supported_speeds	0,2-254[c]
HOST_DATA	0	dev->physfn->transparent	0[c]
HOST_DATA	0	dev->physfn->vendor	0-u16max
HOST_DATA	0	dev->pin	0
HOST_DATA	0	dev->pme_support	0-31[c]
HOST_DATA	0	dev->ptm_granularity	0-255[c]
HOST_DATA	0	dev->revision	0-255
HOST_DATA	0	dev->subsystem_device	0-u16max
HOST_DATA	0	dev->subsystem_vendor	0-u16max
HOST_DATA	0	dev->supported_speeds	0,2-254[c]
HOST_DATA	0	dev->transparent	0[c]
HOST_DATA	0	dev->vendor	0-u16max
HOST_DATA	0	*dev->dev.driver_data	s64min-s64max
HOST_DATA	0	*dev->physfn->dev.driver_data	s64min-s64max
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c amdgpu_device_gpu_bandwidth() -> pcie_get_width_cap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->is_virtfn	0
PARAM_VALUE	0	dev->vendor	0-4097,4099-u16max
DATA_SOURCE	0	dev	r amdgpu_device_find_parent
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	dev->acs_capabilities	0-u16max
HOST_DATA	0	dev->class	0-16777215
HOST_DATA	0	dev->current_state	0-3[c]
HOST_DATA	0	dev->devcap	0-u32max
HOST_DATA	0	dev->devfn	0-503[c]
HOST_DATA	0	dev->device	0-u16max
HOST_DATA	0	dev->eetlp_prefix_max	0-7[c]
HOST_DATA	0	dev->fm_enabled	0-1[c]
HOST_DATA	0	dev->hdr_type	0-255[c]
HOST_DATA	0	dev->ide_cfg	0-1[c]
HOST_DATA	0	dev->ide_tee_limit	0-1[c]
HOST_DATA	0	dev->irq	0-255
HOST_DATA	0	dev->is_cxl	0-1
HOST_DATA	0	dev->multifunction	0-1[c]
HOST_DATA	0	dev->nr_ide_mem	0-255[c]
HOST_DATA	0	dev->pcie_flags_reg	0-u16max
HOST_DATA	0	dev->pcie_mpss	0-7[c]
HOST_DATA	0	dev->pin	0
HOST_DATA	0	dev->pme_support	0-31[c]
HOST_DATA	0	dev->ptm_granularity	0-255[c]
HOST_DATA	0	dev->revision	0-255
HOST_DATA	0	dev->subsystem_device	0-u16max
HOST_DATA	0	dev->subsystem_vendor	0-u16max
HOST_DATA	0	dev->supported_speeds	0,2-254[c]
HOST_DATA	0	dev->transparent	0[c]
HOST_DATA	0	dev->vendor	0-4097,4099-u16max
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c amdgpu_device_partner_bandwidth() -> pcie_get_width_cap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->is_virtfn	0
PARAM_VALUE	0	dev->vendor	0-4097,4099-u16max
DATA_SOURCE	0	dev	r amdgpu_device_find_parent
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	dev->acs_capabilities	0-u16max
HOST_DATA	0	dev->class	0-16777215
HOST_DATA	0	dev->current_state	0-3[c]
HOST_DATA	0	dev->devcap	0-u32max
HOST_DATA	0	dev->devfn	0-503[c]
HOST_DATA	0	dev->device	0-u16max
HOST_DATA	0	dev->eetlp_prefix_max	0-7[c]
HOST_DATA	0	dev->fm_enabled	0-1[c]
HOST_DATA	0	dev->hdr_type	0-255[c]
HOST_DATA	0	dev->ide_cfg	0-1[c]
HOST_DATA	0	dev->ide_tee_limit	0-1[c]
HOST_DATA	0	dev->irq	0-255
HOST_DATA	0	dev->is_cxl	0-1
HOST_DATA	0	dev->multifunction	0-1[c]
HOST_DATA	0	dev->nr_ide_mem	0-255[c]
HOST_DATA	0	dev->pcie_flags_reg	0-u16max
HOST_DATA	0	dev->pcie_mpss	0-7[c]
HOST_DATA	0	dev->pin	0
HOST_DATA	0	dev->pme_support	0-31[c]
HOST_DATA	0	dev->ptm_granularity	0-255[c]
HOST_DATA	0	dev->revision	0-255
HOST_DATA	0	dev->subsystem_device	0-u16max
HOST_DATA	0	dev->subsystem_vendor	0-u16max
HOST_DATA	0	dev->supported_speeds	0,2-254[c]
HOST_DATA	0	dev->transparent	0[c]
HOST_DATA	0	dev->vendor	0-4097,4099-u16max
HALF_LOCKED2		&pool->lock

drivers/perf/dwc_pcie_pmu.c dwc_pcie_pmu_probe() -> pcie_get_width_cap()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->cfg_size	257-s32max
PARAM_VALUE	0	dev->dev.kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	dev->dev.kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev->error_state	0-2,4-u32max
PARAM_VALUE	0	dev->link_bwctrl->cdev	0
PARAM_VALUE	0	dev->pcie_cap	1
PARAM_VALUE	0	dev->physfn->bus->self->link_bwctrl->cdev	0,4096-s64max
PARAM_VALUE	0	dev->physfn->link_bwctrl->cdev	0,4096-s64max
PARAM_VALUE	0	dev->vendor	4334,4466,5197,5827,6091,7559,7661,7663,32902
CAPPED_DATA	0	dev->bus->number	1
CAPPED_DATA	0	dev->devfn	1
CAPPED_DATA	0	dev->vendor	1
DATA_SOURCE	0	dev	r pci_get_domain_bus_and_slot
RX_PATH
TASK_NOT_RUNNING