Differential D31831 Diff 94679 sys/compat/linuxkpi/common/src/linux_pci.c

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sys/compat/linuxkpi/common/src/linux_pci.c

Show First 20 Lines • Show All 599 Lines • ▼ Show 20 Lines	_linux_pci_register_driver(struct pci_driver *pdrv, devclass_t dc)
linux_set_current(curthread);		linux_set_current(curthread);
spin_lock(&pci_lock);		spin_lock(&pci_lock);
list_add(&pdrv->links, &pci_drivers);		list_add(&pdrv->links, &pci_drivers);
spin_unlock(&pci_lock);		spin_unlock(&pci_lock);
pdrv->bsddriver.name = pdrv->name;		pdrv->bsddriver.name = pdrv->name;
pdrv->bsddriver.methods = pci_methods;		pdrv->bsddriver.methods = pci_methods;
pdrv->bsddriver.size = sizeof(struct pci_dev);		pdrv->bsddriver.size = sizeof(struct pci_dev);

mtx_lock(&Giant);		bus_topo_lock();
error = devclass_add_driver(dc, &pdrv->bsddriver,		error = devclass_add_driver(dc, &pdrv->bsddriver,
BUS_PASS_DEFAULT, &pdrv->bsdclass);		BUS_PASS_DEFAULT, &pdrv->bsdclass);
mtx_unlock(&Giant);		bus_topo_unlock();
return (-error);		return (-error);
}		}

int		int
linux_pci_register_driver(struct pci_driver *pdrv)		linux_pci_register_driver(struct pci_driver *pdrv)
{		{
devclass_t dc;		devclass_t dc;

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{		{
devclass_t bus;		devclass_t bus;

bus = devclass_find("pci");		bus = devclass_find("pci");

spin_lock(&pci_lock);		spin_lock(&pci_lock);
list_del(&pdrv->links);		list_del(&pdrv->links);
spin_unlock(&pci_lock);		spin_unlock(&pci_lock);
mtx_lock(&Giant);		bus_topo_lock();
if (bus != NULL)		if (bus != NULL)
devclass_delete_driver(bus, &pdrv->bsddriver);		devclass_delete_driver(bus, &pdrv->bsddriver);
mtx_unlock(&Giant);		bus_topo_unlock();
}		}

void		void
linux_pci_unregister_drm_driver(struct pci_driver *pdrv)		linux_pci_unregister_drm_driver(struct pci_driver *pdrv)
{		{
devclass_t bus;		devclass_t bus;

bus = devclass_find("vgapci");		bus = devclass_find("vgapci");

spin_lock(&pci_lock);		spin_lock(&pci_lock);
list_del(&pdrv->links);		list_del(&pdrv->links);
spin_unlock(&pci_lock);		spin_unlock(&pci_lock);
mtx_lock(&Giant);		bus_topo_lock();
if (bus != NULL)		if (bus != NULL)
devclass_delete_driver(bus, &pdrv->bsddriver);		devclass_delete_driver(bus, &pdrv->bsddriver);
mtx_unlock(&Giant);		bus_topo_unlock();
}		}

CTASSERT(sizeof(dma_addr_t) <= sizeof(uint64_t));		CTASSERT(sizeof(dma_addr_t) <= sizeof(uint64_t));

struct linux_dma_obj {		struct linux_dma_obj {
void *vaddr;		void *vaddr;
uint64_t dma_addr;		uint64_t dma_addr;
bus_dmamap_t dmamap;		bus_dmamap_t dmamap;
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