Lines Matching +full:pci +full:- +full:domain

1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
39 #include <dev/pci/pcivar.h>
40 #include <dev/pci/pcireg.h>
47 	uint16_t domain;
52 static uint32_t	pci_docfgregread(int domain, int bus, int slot, int func,
54 static struct pcie_mcfg_region *pcie_lookup_region(int domain, int bus);
66  * For amd64 we assume that type 1 I/O port-based access always works.
68  * switch to memory-mapped access.
80     "Enable support for PCI-e memory mapped config access");
90 pcie_lookup_region(int domain, int bus)
93 		if (mcfg_regions[i].domain == domain &&
101 pci_docfgregread(int domain, int bus, int slot, int func, int reg, int bytes)
103 	if (domain == 0 && bus == 0 && (1 << slot & pcie_badslots) != 0)
109 		region = pcie_lookup_region(domain, bus);
115 	if (domain == 0)
118 		return (-1);
125 pci_cfgregread(int domain, int bus, int slot, int func, int reg, int bytes)
132 	 * numbers in the range 128-254 to indicate something strange and
134 	 * and map them to 255, which the rest of the PCI code recognizes as
138 		line = pci_docfgregread(domain, bus, slot, func, PCIR_INTLINE,
144 	return (pci_docfgregread(domain, bus, slot, func, reg, bytes));
151 pci_cfgregwrite(int domain, int bus, int slot, int func, int reg, uint32_t data,
154 	if (domain == 0 && bus == 0 && (1 << slot & pcie_badslots) != 0) {
162 		region = pcie_lookup_region(domain, bus);
170 	if (domain == 0)
186 	    (unsigned)bytes <= 4 && (reg & (bytes - 1)) == 0) {
208 	int data = -1;
263 	 * inaccessible using memory-mapped PCI config access.  Walk
281 pcie_cfgregopen(uint64_t base, uint16_t domain, uint8_t minbus, uint8_t maxbus)
289 		printf("PCI: MCFG domain %u bus %u-%u base @ 0x%lx\n",
290 		    domain, minbus, maxbus, base);
299 	region->base = pmap_mapdev_pciecfg(base + (minbus << 20), (maxbus + 1 - minbus) << 20);
300 	region->domain = domain;
301 	region->minbus = minbus;
302 	region->maxbus = maxbus;
307 	if (domain == 0 && minbus == 0)
322  * have a requirement that all accesses to the memory mapped PCI configuration
333 	int data = -1;
335 	MPASS(bus >= region->minbus && bus <= region->maxbus);
338 		return (-1);
340 	va = PCIE_VADDR(region->base, reg, bus - region->minbus, slot, func);
366 	MPASS(bus >= region->minbus && bus <= region->maxbus);
371 	va = PCIE_VADDR(region->base, reg, bus - region->minbus, slot, func);