include/sys/pci_cfgacc.h

   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 */