projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * SHPCHPRM Legacy: PHP Resource Manager for Non-ACPI/Legacy platform using HRT | |
| 3 | * | |
| 4 | * Copyright (C) 1995,2001 Compaq Computer Corporation | |
| 5 | * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) | |
| 6 | * Copyright (C) 2001 IBM Corp. | |
| 7 | * Copyright (C) 2003-2004 Intel Corporation | |
| 8 | * | |
| 9 | * All rights reserved. | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or modify | |
| 12 | * it under the terms of the GNU General Public License as published by | |
| 13 | * the Free Software Foundation; either version 2 of the License, or (at | |
| 14 | * your option) any later version. | |
| 15 | * | |
| 16 | * This program is distributed in the hope that it will be useful, but | |
| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
| 19 | * NON INFRINGEMENT. See the GNU General Public License for more | |
| 20 | * details. | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU General Public License | |
| 23 | * along with this program; if not, write to the Free Software | |
| 24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 25 | * | |
| 8cf4c195 | 26 | * Send feedback to <greg@kroah.com>, <kristen.c.accardi@intel.com> |
| 1da177e4 LT |
27 | * |
| 28 | */ | |
| 29 | ||
| 30 | #ifndef _SHPCHPRM_LEGACY_H_ | |
| 31 | #define _SHPCHPRM_LEGACY_H_ | |
| 32 | ||
| 33 | #define ROM_PHY_ADDR 0x0F0000 | |
| 34 | #define ROM_PHY_LEN 0x00FFFF | |
| 35 | ||
| 36 | struct slot_rt { | |
| 37 | u8 dev_func; | |
| 38 | u8 primary_bus; | |
| 39 | u8 secondary_bus; | |
| 40 | u8 max_bus; | |
| 41 | u16 io_base; | |
| 42 | u16 io_length; | |
| 43 | u16 mem_base; | |
| 44 | u16 mem_length; | |
| 45 | u16 pre_mem_base; | |
| 46 | u16 pre_mem_length; | |
| 47 | } __attribute__ ((packed)); | |
| 48 | ||
| 49 | /* offsets to the hotplug slot resource table registers based on the above structure layout */ | |
| 50 | enum slot_rt_offsets { | |
| 51 | DEV_FUNC = offsetof(struct slot_rt, dev_func), | |
| 52 | PRIMARY_BUS = offsetof(struct slot_rt, primary_bus), | |
| 53 | SECONDARY_BUS = offsetof(struct slot_rt, secondary_bus), | |
| 54 | MAX_BUS = offsetof(struct slot_rt, max_bus), | |
| 55 | IO_BASE = offsetof(struct slot_rt, io_base), | |
| 56 | IO_LENGTH = offsetof(struct slot_rt, io_length), | |
| 57 | MEM_BASE = offsetof(struct slot_rt, mem_base), | |
| 58 | MEM_LENGTH = offsetof(struct slot_rt, mem_length), | |
| 59 | PRE_MEM_BASE = offsetof(struct slot_rt, pre_mem_base), | |
| 60 | PRE_MEM_LENGTH = offsetof(struct slot_rt, pre_mem_length), | |
| 61 | }; | |
| 62 | ||
| 63 | struct hrt { | |
| 64 | char sig0; | |
| 65 | char sig1; | |
| 66 | char sig2; | |
| 67 | char sig3; | |
| 68 | u16 unused_IRQ; | |
| 69 | u16 PCIIRQ; | |
| 70 | u8 number_of_entries; | |
| 71 | u8 revision; | |
| 72 | u16 reserved1; | |
| 73 | u32 reserved2; | |
| 74 | } __attribute__ ((packed)); | |
| 75 | ||
| 76 | /* offsets to the hotplug resource table registers based on the above structure layout */ | |
| 77 | enum hrt_offsets { | |
| 78 | SIG0 = offsetof(struct hrt, sig0), | |
| 79 | SIG1 = offsetof(struct hrt, sig1), | |
| 80 | SIG2 = offsetof(struct hrt, sig2), | |
| 81 | SIG3 = offsetof(struct hrt, sig3), | |
| 82 | UNUSED_IRQ = offsetof(struct hrt, unused_IRQ), | |
| 83 | PCIIRQ = offsetof(struct hrt, PCIIRQ), | |
| 84 | NUMBER_OF_ENTRIES = offsetof(struct hrt, number_of_entries), | |
| 85 | REVISION = offsetof(struct hrt, revision), | |
| 86 | HRT_RESERVED1 = offsetof(struct hrt, reserved1), | |
| 87 | HRT_RESERVED2 = offsetof(struct hrt, reserved2), | |
| 88 | }; | |
| 89 | ||
| 90 | struct irq_info { | |
| 91 | u8 bus, devfn; /* bus, device and function */ | |
| 92 | struct { | |
| 93 | u8 link; /* IRQ line ID, chipset dependent, 0=not routed */ | |
| 94 | u16 bitmap; /* Available IRQs */ | |
| 95 | } __attribute__ ((packed)) irq[4]; | |
| 96 | u8 slot; /* slot number, 0=onboard */ | |
| 97 | u8 rfu; | |
| 98 | } __attribute__ ((packed)); | |
| 99 | ||
| 100 | struct irq_routing_table { | |
| 101 | u32 signature; /* PIRQ_SIGNATURE should be here */ | |
| 102 | u16 version; /* PIRQ_VERSION */ | |
| 103 | u16 size; /* Table size in bytes */ | |
| 104 | u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */ | |
| 105 | u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ | |
| 106 | u16 rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */ | |
| 107 | u32 miniport_data; /* Crap */ | |
| 108 | u8 rfu[11]; | |
| 109 | u8 checksum; /* Modulo 256 checksum must give zero */ | |
| 110 | struct irq_info slots[0]; | |
| 111 | } __attribute__ ((packed)); | |
| 112 | ||
| 113 | #endif /* _SHPCHPRM_LEGACY_H_ */ |