1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_PCI_IMPL_H 27 #define _SYS_PCI_IMPL_H 28 29 #include <sys/dditypes.h> 30 #include <sys/memlist.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #if defined(__i386) || defined(__amd64) 37 38 /* 39 * There are two ways to access the PCI configuration space on X86 40 * Access method 2 is the older method 41 * Access method 1 is the newer method and is preferred because 42 * of the problems in trying to lock the configuration space 43 * for MP machines using method 2. See PCI Local BUS Specification 44 * Revision 2.0 section 3.6.4.1 for more details. 45 * 46 * In addition, on IBM Sandalfoot and a few related machines there's 47 * still another mechanism. See PReP 1.1 section 6.1.7. 48 */ 49 50 #define PCI_MECHANISM_UNKNOWN -1 51 #define PCI_MECHANISM_NONE 0 52 #if defined(__i386) || defined(__amd64) 53 #define PCI_MECHANISM_1 1 54 #define PCI_MECHANISM_2 2 55 #else 56 #error "Unknown processor type" 57 #endif 58 59 60 #ifndef FALSE 61 #define FALSE 0 62 #endif 63 64 #ifndef TRUE 65 #define TRUE 1 66 #endif 67 68 #define PCI_FUNC_MASK 0x07 69 70 /* these macros apply to Configuration Mechanism #1 */ 71 #define PCI_CONFADD 0xcf8 72 #define PCI_PMC 0xcfb 73 #define PCI_CONFDATA 0xcfc 74 #define PCI_CONE 0x80000000 75 #define PCI_CADDR1(bus, device, function, reg) \ 76 (PCI_CONE | (((bus) & 0xff) << 16) | (((device & 0x1f)) << 11) \ 77 | (((function) & 0x7) << 8) | ((reg) & 0xfc)) 78 79 /* these macros apply to Configuration Mechanism #2 */ 80 #define PCI_CSE_PORT 0xcf8 81 #define PCI_FORW_PORT 0xcfa 82 #define PCI_CADDR2(device, indx) \ 83 (0xc000 | (((device) & 0xf) << 8) | (indx)) 84 85 typedef struct pci_acc_cfblk { 86 uchar_t c_busnum; /* bus number */ 87 uchar_t c_devnum; /* device number */ 88 uchar_t c_funcnum; /* function number */ 89 uchar_t c_fill; /* reserve field */ 90 } pci_acc_cfblk_t; 91 92 struct pci_bus_resource { 93 struct memlist *io_avail; /* available free io res */ 94 struct memlist *io_used; /* used io res */ 95 struct memlist *mem_avail; /* available free mem res */ 96 struct memlist *mem_used; /* used mem res */ 97 struct memlist *pmem_avail; /* available free prefetchable mem res */ 98 struct memlist *pmem_used; /* used prefetchable mem res */ 99 struct memlist *bus_avail; /* available free bus res */ 100 /* bus_space_used not needed; can read from regs */ 101 dev_info_t *dip; /* devinfo node */ 102 void *privdata; /* private data for configuration */ 103 uchar_t par_bus; /* parent bus number */ 104 uchar_t sub_bus; /* highest bus number beyond this bridge */ 105 uchar_t root_addr; /* legacy peer bus address assignment */ 106 uchar_t num_cbb; /* # of CardBus Bridges on the bus */ 107 boolean_t io_reprogram; /* need io reprog on this bus */ 108 boolean_t mem_reprogram; /* need mem reprog on this bus */ 109 boolean_t subtractive; /* subtractive PPB */ 110 uint_t mem_size; /* existing children required MEM space size */ 111 uint_t io_size; /* existing children required I/O space size */ 112 }; 113 114 extern struct pci_bus_resource *pci_bus_res; 115 116 /* 117 * For now, x86-only to avoid conflicts with <sys/memlist_impl.h> 118 */ 119 extern struct memlist *memlist_alloc(void); 120 extern void memlist_free(struct memlist *); 121 extern void memlist_free_all(struct memlist **); 122 extern void memlist_insert(struct memlist **, uint64_t, uint64_t); 123 extern int memlist_remove(struct memlist **, uint64_t, uint64_t); 124 extern uint64_t memlist_find(struct memlist **, uint64_t, int); 125 extern uint64_t memlist_find_with_startaddr(struct memlist **, uint64_t, 126 uint64_t, int); 127 extern void memlist_dump(struct memlist *); 128 extern void memlist_subsume(struct memlist **, struct memlist **); 129 extern void memlist_merge(struct memlist **, struct memlist **); 130 extern struct memlist *memlist_dup(struct memlist *); 131 extern int memlist_count(struct memlist *); 132 133 #endif /* __i386 || __amd64 */ 134 135 /* Definitions for minor numbers */ 136 #define PCI_MINOR_NUM(x, y) (((uint_t)(x) << 8) | ((y) & 0xFF)) 137 #define PCI_MINOR_NUM_TO_PCI_DEVNUM(x) ((x) & 0xFF) 138 #define PCI_MINOR_NUM_TO_INSTANCE(x) ((x) >> 8) 139 #define PCI_DEVCTL_MINOR 0xFF 140 141 /* 142 * Minor numbers for dedicated pcitool nodes. 143 * Note that FF and FE minor numbers are used for other minor nodes. 144 */ 145 #define PCI_TOOL_REG_MINOR_NUM 0xFD 146 #define PCI_TOOL_INTR_MINOR_NUM 0xFC 147 148 /* pci devctl soft state flag */ 149 #define PCI_SOFT_STATE_CLOSED 0x0 150 #define PCI_SOFT_STATE_OPEN 0x1 151 #define PCI_SOFT_STATE_OPEN_EXCL 0x2 152 153 /* 154 * PCI capability related definitions. 155 */ 156 157 /* 158 * Minimum number of dwords to be saved. 159 */ 160 #define PCI_MSI_MIN_WORDS 3 161 #define PCI_PCIX_MIN_WORDS 2 162 #define PCI_PCIE_MIN_WORDS 5 163 164 /* 165 * Total number of dwords to be saved. 166 */ 167 #define PCI_PMCAP_NDWORDS 2 168 #define PCI_AGP_NDWORDS 3 169 #define PCI_SLOTID_NDWORDS 1 170 #define PCI_MSIX_NDWORDS 3 171 #define PCI_CAP_SZUNKNOWN 0 172 173 #define PCI_HTCAP_SLPRI_NDWORDS 7 174 #define PCI_HTCAP_HOSTSEC_NDWORDS 6 175 #define PCI_HTCAP_INTCONF_NDWORDS 2 176 #define PCI_HTCAP_REVID_NDWORDS 1 177 #define PCI_HTCAP_UNITID_CLUMP_NDWORDS 3 178 #define PCI_HTCAP_ECFG_NDWORDS 3 179 #define PCI_HTCAP_ADDRMAP_NDWORDS PCI_CAP_SZUNKNOWN /* variable */ 180 #define PCI_HTCAP_MSIMAP_NDWORDS 3 181 #define PCI_HTCAP_DIRROUTE_NDWORDS 3 182 #define PCI_HTCAP_VCSET_NDWORDS 3 183 #define PCI_HTCAP_RETRYMODE_NDWORDS 3 184 #define PCI_HTCAP_GEN3_NDWORDS 10 185 #define PCI_HTCAP_FUNCEXT_NDWORDS PCI_CAP_SZUNKNOWN /* variable */ 186 #define PCI_HTCAP_PM_NDWORDS 2 187 188 189 #define CAP_ID(confhdl, cap_ptr, xspace) \ 190 ((xspace) ? 0 : pci_config_get8((confhdl), (cap_ptr) + PCI_CAP_ID)) 191 192 #define NEXT_CAP(confhdl, cap_ptr, xspace) \ 193 ((xspace) ? 0 : \ 194 pci_config_get8((confhdl), (cap_ptr) + PCI_CAP_NEXT_PTR)) 195 196 extern int pci_resource_setup(dev_info_t *); 197 extern void pci_resource_destroy(dev_info_t *); 198 199 #ifdef __cplusplus 200 } 201 #endif 202 203 #endif /* _SYS_PCI_IMPL_H */ 204