1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
35 /* some PCI bus constants */
37 #define	PCI_MAXMAPS_1	2	/* max. no. of maps for PCI to PCI bridge */
42 /* Config registers for PCI-PCI and PCI-Cardbus bridges. */
51 /* Interesting values for PCI power management */
53     uint16_t	pp_cap;		/* PCI power management capabilities */
87 /* Interesting values for PCI MSI */
97 /* Interesting values for PCI MSI-X */
105     u_int	mte_vector;	/* 1-based index into msix_vectors array. */
111     uint8_t	msix_location;	/* Offset of MSI-X capability registers. */
131     uint8_t	ht_slave;	/* Non-zero if device is an HT slave. */
137 /* Interesting values for PCI-express */
139     uint8_t	pcie_location;	/* Offset of PCI-e capability registers. */
153     uint8_t	pcix_location;	/* Offset of PCI-X capability registers. */
174 #define	PCICFG_VF	0x0001 /* Device is an SR-IOV Virtual Function */
187     uint16_t	cmdreg;		/* disable/enable chip and PCI options */
188     uint16_t	statreg;	/* supported PCI features and error state */
190     uint8_t	baseclass;	/* chip PCI class */
191     uint8_t	subclass;	/* chip PCI subclass */
192     uint8_t	progif;		/* chip PCI programming interface */
197     uint8_t	intpin;		/* PCI interrupt pin */
204     uint8_t	mfdev;		/* multi-function device (from hdrtype reg) */
205     uint8_t	nummaps;	/* actual number of PCI maps used */
207     uint32_t	domain;		/* PCI domain */
217     struct pcicfg_msi msi;	/* PCI MSI */
218     struct pcicfg_msix msix;	/* PCI MSI-X */
220     struct pcicfg_pcie pcie;	/* PCI Express */
221     struct pcicfg_pcix pcix;	/* PCI-X */
222     struct pcicfg_iov *iov;	/* SR-IOV */
223     struct pcicfg_vf vf;	/* SR-IOV Virtual Function */
227 /* additional type 1 device config header information (PCI to PCI bridge) */
266  * modules with devices on the PCI bus.
308 #define	PCI_CLASS(x)							\  argument
309 	.match_flag_class = 1, .class_id = (x)
310 #define	PCI_SUBCLASS(x)							\  argument
311 	.match_flag_subclass = 1, .subclass = (x)
312 #define	PCI_REVID(x)							\  argument
313 	.match_flag_revid = 1, .revid = (x)
314 #define	PCI_DESCR(x)							\  argument
315 	.descr = (x)
320 	MODULE_PNP_INFO(PCI_PNP_STR, pci, table, table,			\
367  * Simplified accessors for pci devices
370 	__BUS_ACCESSOR(pci, var, PCI, ivar, type)
412  * Ivars for pci bridges.
430  * PCI interrupt validation.  Invalid interrupt values such as 0 or 128  in PCIB_ACCESSOR()
435 #define	PCI_INTERRUPT_VALID(x)	((x) != PCI_INVALID_IRQ)  in PCIB_ACCESSOR()  argument
498  * PCI power states are as defined by ACPI:
502  * D1	  Class-specific low-power state in which device context may or may not
505  * D2	  Class-specific low-power state in which device context may or may
521 #define	PCI_POWERSTATE_UNKNOWN	-1
686 /* Can be used by drivers to manage the MSI-X table. */
720  * cdev switch for control device, initialised in generic PCI code
725  * List of all PCI devices, generation count for the list.
747  * Global eventhandlers invoked when PCI devices are added or removed