diff options
author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
---|---|---|
committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/uts/common/sys/pci_impl.h | |
download | illumos-gate-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz |
OpenSolaris Launch
Diffstat (limited to 'usr/src/uts/common/sys/pci_impl.h')
-rw-r--r-- | usr/src/uts/common/sys/pci_impl.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/pci_impl.h b/usr/src/uts/common/sys/pci_impl.h new file mode 100644 index 0000000000..fb76c5eb09 --- /dev/null +++ b/usr/src/uts/common/sys/pci_impl.h @@ -0,0 +1,160 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_PCI_IMPL_H +#define _SYS_PCI_IMPL_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/dditypes.h> +#include <sys/memlist.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(__i386) || defined(__amd64) + +/* + * There are two ways to access the PCI configuration space on X86 + * Access method 2 is the older method + * Access method 1 is the newer method and is preferred because + * of the problems in trying to lock the configuration space + * for MP machines using method 2. See PCI Local BUS Specification + * Revision 2.0 section 3.6.4.1 for more details. + * + * In addition, on IBM Sandalfoot and a few related machines there's + * still another mechanism. See PReP 1.1 section 6.1.7. + */ + +#define PCI_MECHANISM_UNKNOWN -1 +#define PCI_MECHANISM_NONE 0 +#if defined(__i386) || defined(__ia64) || defined(__amd64) +#define PCI_MECHANISM_1 1 +#define PCI_MECHANISM_2 2 +#else +#error "Unknown processor type" +#endif + + +#ifndef FALSE +#define FALSE 0 +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#define PCI_FUNC_MASK 0x07 + +/* these macros apply to Configuration Mechanism #1 */ +#define PCI_CONFADD 0xcf8 +#define PCI_PMC 0xcfb +#define PCI_CONFDATA 0xcfc +#define PCI_CONE 0x80000000 +#define PCI_CADDR1(bus, device, function, reg) \ + (PCI_CONE | (((bus) & 0xff) << 16) | (((device & 0x1f)) << 11) \ + | (((function) & 0x7) << 8) | ((reg) & 0xfc)) + +/* these macros apply to Configuration Mechanism #2 */ +#define PCI_CSE_PORT 0xcf8 +#define PCI_FORW_PORT 0xcfa +#define PCI_CADDR2(device, indx) \ + (0xc000 | (((device) & 0xf) << 8) | (indx)) + +typedef struct pci_acc_cfblk { + uchar_t c_busnum; /* bus number */ + uchar_t c_devnum; /* device number */ + uchar_t c_funcnum; /* function number */ + uchar_t c_fill; /* reserve field */ +} pci_acc_cfblk_t; + +struct pci_bus_resource { + struct memlist *io_ports; + struct memlist *mem_space; + struct memlist *pmem_space; + dev_info_t *dip; /* devinfo node */ + void *privdata; /* private data for configuration */ + uchar_t par_bus; /* parent bus number */ + uchar_t sub_bus; /* highest bus number beyond this bridge */ + uchar_t root_addr; /* legacy peer bus address assignment */ + uchar_t padding1; +#ifdef _LP64 + uint32_t padding2; +#endif +}; + +extern struct pci_bus_resource *pci_bus_res; + +/* + * For now, x86-only to avoid conflicts with <sys/memlist_impl.h> + */ +extern struct memlist *memlist_alloc(void); +extern void memlist_free(struct memlist *); +extern void memlist_insert(struct memlist **, uint64_t, uint64_t); +extern int memlist_remove(struct memlist **, uint64_t, uint64_t); +extern uint64_t memlist_find(struct memlist **, uint64_t, int); +extern void memlist_dump(struct memlist *); +extern struct memlist *memlist_dup(struct memlist *); +extern int memlist_count(struct memlist *); + +#endif /* __i386 || __amd64 */ + +/* + * PCI capability related definitions. + */ + +/* + * Minimum number of dwords to be saved. + */ +#define PCI_MSI_MIN_WORDS 3 +#define PCI_PCIX_MIN_WORDS 2 +#define PCI_PCIE_MIN_WORDS 5 + +/* + * Total number of dwords to be saved. + */ +#define PCI_PMCAP_NDWORDS 2 +#define PCI_AGP_NDWORDS 3 +#define PCI_SLOTID_NDWORDS 1 +#define PCI_MSIX_NDWORDS 3 +#define PCI_CAP_SZUNKNOWN 0 + +#define CAP_ID(confhdl, cap_ptr, xspace) \ + ((xspace) ? 0 : pci_config_get8((confhdl), (cap_ptr) + PCI_CAP_ID)) + +#define NEXT_CAP(confhdl, cap_ptr, xspace) \ + ((xspace) ? 0 : \ + pci_config_get8((confhdl), (cap_ptr) + PCI_CAP_NEXT_PTR)) + +extern int pci_resource_setup(dev_info_t *); +extern void pci_resource_destroy(dev_info_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_PCI_IMPL_H */ |