Differential D44131 Diff 135120 sys/dev/pci/pci.c

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sys/dev/pci/pci.c

Show First 20 Lines • Show All 5,630 Lines • ▼ Show 20 Lines	#ifdef PCI_IOV
}		}
#endif		#endif

return (pci_alloc_multi_resource(dev, child, type, rid, start, end,		return (pci_alloc_multi_resource(dev, child, type, rid, start, end,
count, 1, flags));		count, 1, flags));
}		}

int		int
pci_release_resource(device_t dev, device_t child, int type, int rid,		pci_release_resource(device_t dev, device_t child, struct resource *r)
struct resource *r)
{		{
struct pci_devinfo *dinfo;		struct pci_devinfo *dinfo;
struct resource_list *rl;		struct resource_list *rl;
pcicfgregs *cfg __unused;		pcicfgregs *cfg __unused;

if (device_get_parent(child) != dev)		if (device_get_parent(child) != dev)
return (BUS_RELEASE_RESOURCE(device_get_parent(dev), child,		return (bus_generic_release_resource(dev, child, r));
type, rid, r));

dinfo = device_get_ivars(child);		dinfo = device_get_ivars(child);
cfg = &dinfo->cfg;		cfg = &dinfo->cfg;

#ifdef PCI_IOV		#ifdef PCI_IOV
if (cfg->flags & PCICFG_VF) {		if (cfg->flags & PCICFG_VF) {
switch (type) {		switch (rman_get_type(r)) {
/* VFs can't have I/O BARs. */		/* VFs can't have I/O BARs. */
case SYS_RES_IOPORT:		case SYS_RES_IOPORT:
return (EDOOFUS);		return (EDOOFUS);
case SYS_RES_MEMORY:		case SYS_RES_MEMORY:
return (pci_vf_release_mem_resource(dev, child, rid,		return (pci_vf_release_mem_resource(dev, child, r));
r));
}		}

/* Fall through for other types of resource allocations. */		/* Fall through for other types of resource allocations. */
}		}
#endif		#endif

#ifdef NEW_PCIB		#ifdef NEW_PCIB
/*		/*
* PCI-PCI bridge I/O window resources are not BARs. For		* PCI-PCI bridge I/O window resources are not BARs. For
* those allocations just pass the request up the tree.		* those allocations just pass the request up the tree.
*/		*/
if (cfg->hdrtype == PCIM_HDRTYPE_BRIDGE &&		if (cfg->hdrtype == PCIM_HDRTYPE_BRIDGE &&
(type == SYS_RES_IOPORT \|\| type == SYS_RES_MEMORY)) {		(rman_get_type(r) == SYS_RES_IOPORT \|\|
switch (rid) {		rman_get_type(r) == SYS_RES_MEMORY)) {
		switch (rman_get_rid(r)) {
case PCIR_IOBASEL_1:		case PCIR_IOBASEL_1:
case PCIR_MEMBASE_1:		case PCIR_MEMBASE_1:
case PCIR_PMBASEL_1:		case PCIR_PMBASEL_1:
return (bus_generic_release_resource(dev, child, type,		return (bus_generic_release_resource(dev, child, r));
rid, r));
}		}
}		}
#endif		#endif

rl = &dinfo->resources;		rl = &dinfo->resources;
return (resource_list_release(rl, dev, child, type, rid, r));		return (resource_list_release(rl, dev, child, r));
}		}

int		int
pci_activate_resource(device_t dev, device_t child, struct resource *r)		pci_activate_resource(device_t dev, device_t child, struct resource *r)
{		{
struct pci_devinfo *dinfo;		struct pci_devinfo *dinfo;
int error, rid, type;		int error, rid, type;

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