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 _PCI_CFGACC_H 27 #define _PCI_CFGACC_H 28 29 #include <sys/dditypes.h> 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #ifndef _ASM 36 37 #define PCI_GETBDF(b, d, f) \ 38 ((d != 0) ? \ 39 ((((uint16_t)b & 0xff) << 8) + (((uint8_t)d & 0x1f) << 3) + \ 40 ((uint8_t)f & 0x7)) : \ 41 ((((uint16_t)b & 0xff) << 8) + ((uint8_t)f & 0xff))) 42 43 typedef union pci_cfg_data { 44 uint8_t b; 45 uint16_t w; 46 uint32_t dw; 47 uint64_t qw; 48 } pci_cfg_data_t; 49 50 typedef enum pci_config_size { 51 PCI_CFG_SIZE_BYTE = 1, 52 PCI_CFG_SIZE_WORD = 2, 53 PCI_CFG_SIZE_DWORD = 4, 54 PCI_CFG_SIZE_QWORD = 8 55 } pci_config_size_t; 56 57 typedef struct pci_cfgacc_req { 58 dev_info_t *rcdip; 59 uint16_t bdf; 60 uint16_t offset; 61 uint8_t size; 62 boolean_t write; 63 pci_cfg_data_t value; 64 boolean_t ioacc; 65 } pci_cfgacc_req_t; 66 #define VAL8(req) ((req)->value.b) 67 #define VAL16(req) ((req)->value.w) 68 #define VAL32(req) ((req)->value.dw) 69 #define VAL64(req) ((req)->value.qw) 70 71 extern uint8_t pci_cfgacc_get8(dev_info_t *, uint16_t, uint16_t); 72 extern uint16_t pci_cfgacc_get16(dev_info_t *, uint16_t, uint16_t); 73 extern uint32_t pci_cfgacc_get32(dev_info_t *, uint16_t, uint16_t); 74 extern uint64_t pci_cfgacc_get64(dev_info_t *, uint16_t, uint16_t); 75 extern void pci_cfgacc_put8(dev_info_t *, uint16_t, uint16_t, uint8_t); 76 extern void pci_cfgacc_put16(dev_info_t *, uint16_t, uint16_t, uint16_t); 77 extern void pci_cfgacc_put32(dev_info_t *, uint16_t, uint16_t, uint32_t); 78 extern void pci_cfgacc_put64(dev_info_t *, uint16_t, uint16_t, uint64_t); 79 extern void pci_cfgacc_acc(pci_cfgacc_req_t *); 80 81 #endif /* _ASM */ 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _PCI_CFGACC_H */ 88