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 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #ifndef _PCIEHPC_ACPI_H
  28 #define _PCIEHPC_ACPI_H
  29 
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33 
  34 #include <sys/acpi/acpi.h>
  35 #include <sys/acpica.h>
  36 #include <sys/hotplug/pci/pcie_hp.h>
  37 #include <sys/hotplug/pci/pciehpc.h>
  38 
  39 /* soft state data structure for ACPI hot plug mode */
  40 typedef struct pciehpc_acpi {
  41         /* handle for the ACPI device for the bus node with HPC */
  42         ACPI_HANDLE     bus_obj;
  43 
  44         /* handle for the ACPI device for the slot (dev#0,func#0) */
  45         ACPI_HANDLE     slot_dev_obj;
  46 
  47         /* ACPI control methods present on the bus node */
  48         uint16_t        bus_methods;
  49 
  50         /* ACPI control methods on the slot device functions */
  51         uint16_t        slot_methods;
  52 } pciehpc_acpi_t;
  53 
  54 /* bit definitions in acpi_bus_methods */
  55 #define PCIEHPC_ACPI_OSC_PRESENT        0x0001
  56 #define PCIEHPC_ACPI_OSHP_PRESENT       0x0002
  57 #define PCIEHPC_ACPI_SUN_PRESENT        0x0004
  58 #define PCIEHPC_ACPI_STA_PRESENT        0x0008
  59 #define PCIEHPC_ACPI_EJ0_PRESENT        0x0010
  60 #define PCIEHPC_ACPI_HPP_PRESENT        0x0020
  61 #define PCIEHPC_ACPI_HPX_PRESENT        0x0040
  62 #define PCIEHPC_ACPI_PS0_PRESENT        0x0080
  63 #define PCIEHPC_ACPI_DSM_PRESENT        0x0080
  64 #define PCIEHPC_ACPI_STR_PRESENT        0x0100
  65 
  66 /* Device status bit as returned by _STA method (see 6.3.7 of ACPI 3.0) */
  67 #define DEV_STS_PRESENT         0x1     /* device is present */
  68 #define DEV_STS_ENABLED         0x2     /* device is enabled */
  69 #define DEV_STS_SHOWN_UI        0x4     /* device should be shown in UI */
  70 #define DEV_STS_FUNC_OK         0x8     /* device functioning normally */
  71 #define STATUS_NORMAL   \
  72         (DEV_STS_PRESENT | DEV_STS_ENABLED | DEV_STS_SHOWN_UI | DEV_STS_FUNC_OK)
  73 
  74 #ifdef  __cplusplus
  75 }
  76 #endif
  77 
  78 #endif  /* _PCIEHPC_ACPI_H */