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-rw-r--r--drivers/pci/hotplug/ibmphp.h750
1 files changed, 750 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/ibmphp.h b/drivers/pci/hotplug/ibmphp.h
new file mode 100644
index 000000000..0399c60d2
--- /dev/null
+++ b/drivers/pci/hotplug/ibmphp.h
@@ -0,0 +1,750 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+#ifndef __IBMPHP_H
+#define __IBMPHP_H
+
+/*
+ * IBM Hot Plug Controller Driver
+ *
+ * Written By: Jyoti Shah, Tong Yu, Irene Zubarev, IBM Corporation
+ *
+ * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
+ * Copyright (C) 2001-2003 IBM Corp.
+ *
+ * All rights reserved.
+ *
+ * Send feedback to <gregkh@us.ibm.com>
+ *
+ */
+
+#include <linux/pci_hotplug.h>
+
+extern int ibmphp_debug;
+
+#if !defined(MODULE)
+ #define MY_NAME "ibmphpd"
+#else
+ #define MY_NAME THIS_MODULE->name
+#endif
+#define debug(fmt, arg...) do { if (ibmphp_debug == 1) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0)
+#define debug_pci(fmt, arg...) do { if (ibmphp_debug) printk(KERN_DEBUG "%s: " fmt, MY_NAME, ## arg); } while (0)
+#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
+
+
+/* EBDA stuff */
+
+/***********************************************************
+* SLOT CAPABILITY *
+***********************************************************/
+
+#define EBDA_SLOT_133_MAX 0x20
+#define EBDA_SLOT_100_MAX 0x10
+#define EBDA_SLOT_66_MAX 0x02
+#define EBDA_SLOT_PCIX_CAP 0x08
+
+
+/************************************************************
+* RESOURCE TYPE *
+************************************************************/
+
+#define EBDA_RSRC_TYPE_MASK 0x03
+#define EBDA_IO_RSRC_TYPE 0x00
+#define EBDA_MEM_RSRC_TYPE 0x01
+#define EBDA_PFM_RSRC_TYPE 0x03
+#define EBDA_RES_RSRC_TYPE 0x02
+
+
+/*************************************************************
+* IO RESTRICTION TYPE *
+*************************************************************/
+
+#define EBDA_IO_RESTRI_MASK 0x0c
+#define EBDA_NO_RESTRI 0x00
+#define EBDA_AVO_VGA_ADDR 0x04
+#define EBDA_AVO_VGA_ADDR_AND_ALIA 0x08
+#define EBDA_AVO_ISA_ADDR 0x0c
+
+
+/**************************************************************
+* DEVICE TYPE DEF *
+**************************************************************/
+
+#define EBDA_DEV_TYPE_MASK 0x10
+#define EBDA_PCI_DEV 0x10
+#define EBDA_NON_PCI_DEV 0x00
+
+
+/***************************************************************
+* PRIMARY DEF DEFINITION *
+***************************************************************/
+
+#define EBDA_PRI_DEF_MASK 0x20
+#define EBDA_PRI_PCI_BUS_INFO 0x20
+#define EBDA_NORM_DEV_RSRC_INFO 0x00
+
+
+//--------------------------------------------------------------
+// RIO TABLE DATA STRUCTURE
+//--------------------------------------------------------------
+
+struct rio_table_hdr {
+ u8 ver_num;
+ u8 scal_count;
+ u8 riodev_count;
+ u16 offset;
+};
+
+//-------------------------------------------------------------
+// SCALABILITY DETAIL
+//-------------------------------------------------------------
+
+struct scal_detail {
+ u8 node_id;
+ u32 cbar;
+ u8 port0_node_connect;
+ u8 port0_port_connect;
+ u8 port1_node_connect;
+ u8 port1_port_connect;
+ u8 port2_node_connect;
+ u8 port2_port_connect;
+ u8 chassis_num;
+// struct list_head scal_detail_list;
+};
+
+//--------------------------------------------------------------
+// RIO DETAIL
+//--------------------------------------------------------------
+
+struct rio_detail {
+ u8 rio_node_id;
+ u32 bbar;
+ u8 rio_type;
+ u8 owner_id;
+ u8 port0_node_connect;
+ u8 port0_port_connect;
+ u8 port1_node_connect;
+ u8 port1_port_connect;
+ u8 first_slot_num;
+ u8 status;
+ u8 wpindex;
+ u8 chassis_num;
+ struct list_head rio_detail_list;
+};
+
+struct opt_rio {
+ u8 rio_type;
+ u8 chassis_num;
+ u8 first_slot_num;
+ u8 middle_num;
+ struct list_head opt_rio_list;
+};
+
+struct opt_rio_lo {
+ u8 rio_type;
+ u8 chassis_num;
+ u8 first_slot_num;
+ u8 middle_num;
+ u8 pack_count;
+ struct list_head opt_rio_lo_list;
+};
+
+/****************************************************************
+* HPC DESCRIPTOR NODE *
+****************************************************************/
+
+struct ebda_hpc_list {
+ u8 format;
+ u16 num_ctlrs;
+ short phys_addr;
+// struct list_head ebda_hpc_list;
+};
+/*****************************************************************
+* IN HPC DATA STRUCTURE, THE ASSOCIATED SLOT AND BUS *
+* STRUCTURE *
+*****************************************************************/
+
+struct ebda_hpc_slot {
+ u8 slot_num;
+ u32 slot_bus_num;
+ u8 ctl_index;
+ u8 slot_cap;
+};
+
+struct ebda_hpc_bus {
+ u32 bus_num;
+ u8 slots_at_33_conv;
+ u8 slots_at_66_conv;
+ u8 slots_at_66_pcix;
+ u8 slots_at_100_pcix;
+ u8 slots_at_133_pcix;
+};
+
+
+/********************************************************************
+* THREE TYPE OF HOT PLUG CONTROLLER *
+********************************************************************/
+
+struct isa_ctlr_access {
+ u16 io_start;
+ u16 io_end;
+};
+
+struct pci_ctlr_access {
+ u8 bus;
+ u8 dev_fun;
+};
+
+struct wpeg_i2c_ctlr_access {
+ ulong wpegbbar;
+ u8 i2c_addr;
+};
+
+#define HPC_DEVICE_ID 0x0246
+#define HPC_SUBSYSTEM_ID 0x0247
+#define HPC_PCI_OFFSET 0x40
+/*************************************************************************
+* RSTC DESCRIPTOR NODE *
+*************************************************************************/
+
+struct ebda_rsrc_list {
+ u8 format;
+ u16 num_entries;
+ u16 phys_addr;
+ struct ebda_rsrc_list *next;
+};
+
+
+/***************************************************************************
+* PCI RSRC NODE *
+***************************************************************************/
+
+struct ebda_pci_rsrc {
+ u8 rsrc_type;
+ u8 bus_num;
+ u8 dev_fun;
+ u32 start_addr;
+ u32 end_addr;
+ u8 marked; /* for NVRAM */
+ struct list_head ebda_pci_rsrc_list;
+};
+
+
+/***********************************************************
+* BUS_INFO DATE STRUCTURE *
+***********************************************************/
+
+struct bus_info {
+ u8 slot_min;
+ u8 slot_max;
+ u8 slot_count;
+ u8 busno;
+ u8 controller_id;
+ u8 current_speed;
+ u8 current_bus_mode;
+ u8 index;
+ u8 slots_at_33_conv;
+ u8 slots_at_66_conv;
+ u8 slots_at_66_pcix;
+ u8 slots_at_100_pcix;
+ u8 slots_at_133_pcix;
+ struct list_head bus_info_list;
+};
+
+
+/***********************************************************
+* GLOBAL VARIABLES *
+***********************************************************/
+extern struct list_head ibmphp_ebda_pci_rsrc_head;
+extern struct list_head ibmphp_slot_head;
+/***********************************************************
+* FUNCTION PROTOTYPES *
+***********************************************************/
+
+void ibmphp_free_ebda_hpc_queue(void);
+int ibmphp_access_ebda(void);
+struct slot *ibmphp_get_slot_from_physical_num(u8);
+int ibmphp_get_total_hp_slots(void);
+void ibmphp_free_ibm_slot(struct slot *);
+void ibmphp_free_bus_info_queue(void);
+void ibmphp_free_ebda_pci_rsrc_queue(void);
+struct bus_info *ibmphp_find_same_bus_num(u32);
+int ibmphp_get_bus_index(u8);
+u16 ibmphp_get_total_controllers(void);
+int ibmphp_register_pci(void);
+
+/* passed parameters */
+#define MEM 0
+#define IO 1
+#define PFMEM 2
+
+/* bit masks */
+#define RESTYPE 0x03
+#define IOMASK 0x00 /* will need to take its complement */
+#define MMASK 0x01
+#define PFMASK 0x03
+#define PCIDEVMASK 0x10 /* we should always have PCI devices */
+#define PRIMARYBUSMASK 0x20
+
+/* pci specific defines */
+#define PCI_VENDOR_ID_NOTVALID 0xFFFF
+#define PCI_HEADER_TYPE_MULTIDEVICE 0x80
+#define PCI_HEADER_TYPE_MULTIBRIDGE 0x81
+
+#define LATENCY 0x64
+#define CACHE 64
+#define DEVICEENABLE 0x015F /* CPQ has 0x0157 */
+
+#define IOBRIDGE 0x1000 /* 4k */
+#define MEMBRIDGE 0x100000 /* 1M */
+
+/* irqs */
+#define SCSI_IRQ 0x09
+#define LAN_IRQ 0x0A
+#define OTHER_IRQ 0x0B
+
+/* Data Structures */
+
+/* type is of the form x x xx xx
+ * | | | |_ 00 - I/O, 01 - Memory, 11 - PFMemory
+ * | | - 00 - No Restrictions, 01 - Avoid VGA, 10 - Avoid
+ * | | VGA and their aliases, 11 - Avoid ISA
+ * | - 1 - PCI device, 0 - non pci device
+ * - 1 - Primary PCI Bus Information (0 if Normal device)
+ * the IO restrictions [2:3] are only for primary buses
+ */
+
+
+/* we need this struct because there could be several resource blocks
+ * allocated per primary bus in the EBDA
+ */
+struct range_node {
+ int rangeno;
+ u32 start;
+ u32 end;
+ struct range_node *next;
+};
+
+struct bus_node {
+ u8 busno;
+ int noIORanges;
+ struct range_node *rangeIO;
+ int noMemRanges;
+ struct range_node *rangeMem;
+ int noPFMemRanges;
+ struct range_node *rangePFMem;
+ int needIOUpdate;
+ int needMemUpdate;
+ int needPFMemUpdate;
+ struct resource_node *firstIO; /* first IO resource on the Bus */
+ struct resource_node *firstMem; /* first memory resource on the Bus */
+ struct resource_node *firstPFMem; /* first prefetchable memory resource on the Bus */
+ struct resource_node *firstPFMemFromMem; /* when run out of pfmem available, taking from Mem */
+ struct list_head bus_list;
+};
+
+struct resource_node {
+ int rangeno;
+ u8 busno;
+ u8 devfunc;
+ u32 start;
+ u32 end;
+ u32 len;
+ int type; /* MEM, IO, PFMEM */
+ u8 fromMem; /* this is to indicate that the range is from
+ * the Memory bucket rather than from PFMem */
+ struct resource_node *next;
+ struct resource_node *nextRange; /* for the other mem range on bus */
+};
+
+struct res_needed {
+ u32 mem;
+ u32 pfmem;
+ u32 io;
+ u8 not_correct; /* needed for return */
+ int devices[32]; /* for device numbers behind this bridge */
+};
+
+/* functions */
+
+int ibmphp_rsrc_init(void);
+int ibmphp_add_resource(struct resource_node *);
+int ibmphp_remove_resource(struct resource_node *);
+int ibmphp_find_resource(struct bus_node *, u32, struct resource_node **, int);
+int ibmphp_check_resource(struct resource_node *, u8);
+int ibmphp_remove_bus(struct bus_node *, u8);
+void ibmphp_free_resources(void);
+int ibmphp_add_pfmem_from_mem(struct resource_node *);
+struct bus_node *ibmphp_find_res_bus(u8);
+void ibmphp_print_test(void); /* for debugging purposes */
+
+int ibmphp_hpc_readslot(struct slot *, u8, u8 *);
+int ibmphp_hpc_writeslot(struct slot *, u8);
+void ibmphp_lock_operations(void);
+void ibmphp_unlock_operations(void);
+int ibmphp_hpc_start_poll_thread(void);
+void ibmphp_hpc_stop_poll_thread(void);
+
+//----------------------------------------------------------------------------
+
+
+//----------------------------------------------------------------------------
+// HPC return codes
+//----------------------------------------------------------------------------
+#define HPC_ERROR 0xFF
+
+//-----------------------------------------------------------------------------
+// BUS INFO
+//-----------------------------------------------------------------------------
+#define BUS_SPEED 0x30
+#define BUS_MODE 0x40
+#define BUS_MODE_PCIX 0x01
+#define BUS_MODE_PCI 0x00
+#define BUS_SPEED_2 0x20
+#define BUS_SPEED_1 0x10
+#define BUS_SPEED_33 0x00
+#define BUS_SPEED_66 0x01
+#define BUS_SPEED_100 0x02
+#define BUS_SPEED_133 0x03
+#define BUS_SPEED_66PCIX 0x04
+#define BUS_SPEED_66UNKNOWN 0x05
+#define BUS_STATUS_AVAILABLE 0x01
+#define BUS_CONTROL_AVAILABLE 0x02
+#define SLOT_LATCH_REGS_SUPPORTED 0x10
+
+#define PRGM_MODEL_REV_LEVEL 0xF0
+#define MAX_ADAPTER_NONE 0x09
+
+//----------------------------------------------------------------------------
+// HPC 'write' operations/commands
+//----------------------------------------------------------------------------
+// Command Code State Write to reg
+// Machine at index
+//------------------------- ---- ------- ------------
+#define HPC_CTLR_ENABLEIRQ 0x00 // N 15
+#define HPC_CTLR_DISABLEIRQ 0x01 // N 15
+#define HPC_SLOT_OFF 0x02 // Y 0-14
+#define HPC_SLOT_ON 0x03 // Y 0-14
+#define HPC_SLOT_ATTNOFF 0x04 // N 0-14
+#define HPC_SLOT_ATTNON 0x05 // N 0-14
+#define HPC_CTLR_CLEARIRQ 0x06 // N 15
+#define HPC_CTLR_RESET 0x07 // Y 15
+#define HPC_CTLR_IRQSTEER 0x08 // N 15
+#define HPC_BUS_33CONVMODE 0x09 // Y 31-34
+#define HPC_BUS_66CONVMODE 0x0A // Y 31-34
+#define HPC_BUS_66PCIXMODE 0x0B // Y 31-34
+#define HPC_BUS_100PCIXMODE 0x0C // Y 31-34
+#define HPC_BUS_133PCIXMODE 0x0D // Y 31-34
+#define HPC_ALLSLOT_OFF 0x11 // Y 15
+#define HPC_ALLSLOT_ON 0x12 // Y 15
+#define HPC_SLOT_BLINKLED 0x13 // N 0-14
+
+//----------------------------------------------------------------------------
+// read commands
+//----------------------------------------------------------------------------
+#define READ_SLOTSTATUS 0x01
+#define READ_EXTSLOTSTATUS 0x02
+#define READ_BUSSTATUS 0x03
+#define READ_CTLRSTATUS 0x04
+#define READ_ALLSTAT 0x05
+#define READ_ALLSLOT 0x06
+#define READ_SLOTLATCHLOWREG 0x07
+#define READ_REVLEVEL 0x08
+#define READ_HPCOPTIONS 0x09
+//----------------------------------------------------------------------------
+// slot status
+//----------------------------------------------------------------------------
+#define HPC_SLOT_POWER 0x01
+#define HPC_SLOT_CONNECT 0x02
+#define HPC_SLOT_ATTN 0x04
+#define HPC_SLOT_PRSNT2 0x08
+#define HPC_SLOT_PRSNT1 0x10
+#define HPC_SLOT_PWRGD 0x20
+#define HPC_SLOT_BUS_SPEED 0x40
+#define HPC_SLOT_LATCH 0x80
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_POWER status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_POWER_OFF 0x00
+#define HPC_SLOT_POWER_ON 0x01
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_CONNECT status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_CONNECTED 0x00
+#define HPC_SLOT_DISCONNECTED 0x01
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_ATTN status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_ATTN_OFF 0x00
+#define HPC_SLOT_ATTN_ON 0x01
+#define HPC_SLOT_ATTN_BLINK 0x02
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_PRSNT status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_EMPTY 0x00
+#define HPC_SLOT_PRSNT_7 0x01
+#define HPC_SLOT_PRSNT_15 0x02
+#define HPC_SLOT_PRSNT_25 0x03
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_PWRGD status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_PWRGD_FAULT_NONE 0x00
+#define HPC_SLOT_PWRGD_GOOD 0x01
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_BUS_SPEED status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_BUS_SPEED_OK 0x00
+#define HPC_SLOT_BUS_SPEED_MISM 0x01
+
+//----------------------------------------------------------------------------
+// HPC_SLOT_LATCH status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_LATCH_OPEN 0x01 // NOTE : in PCI spec bit off = open
+#define HPC_SLOT_LATCH_CLOSED 0x00 // NOTE : in PCI spec bit on = closed
+
+
+//----------------------------------------------------------------------------
+// extended slot status
+//----------------------------------------------------------------------------
+#define HPC_SLOT_PCIX 0x01
+#define HPC_SLOT_SPEED1 0x02
+#define HPC_SLOT_SPEED2 0x04
+#define HPC_SLOT_BLINK_ATTN 0x08
+#define HPC_SLOT_RSRVD1 0x10
+#define HPC_SLOT_RSRVD2 0x20
+#define HPC_SLOT_BUS_MODE 0x40
+#define HPC_SLOT_RSRVD3 0x80
+
+//----------------------------------------------------------------------------
+// HPC_XSLOT_PCIX_CAP status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_PCIX_NO 0x00
+#define HPC_SLOT_PCIX_YES 0x01
+
+//----------------------------------------------------------------------------
+// HPC_XSLOT_SPEED status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_SPEED_33 0x00
+#define HPC_SLOT_SPEED_66 0x01
+#define HPC_SLOT_SPEED_133 0x02
+
+//----------------------------------------------------------------------------
+// HPC_XSLOT_ATTN_BLINK status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_ATTN_BLINK_OFF 0x00
+#define HPC_SLOT_ATTN_BLINK_ON 0x01
+
+//----------------------------------------------------------------------------
+// HPC_XSLOT_BUS_MODE status return codes
+//----------------------------------------------------------------------------
+#define HPC_SLOT_BUS_MODE_OK 0x00
+#define HPC_SLOT_BUS_MODE_MISM 0x01
+
+//----------------------------------------------------------------------------
+// Controller status
+//----------------------------------------------------------------------------
+#define HPC_CTLR_WORKING 0x01
+#define HPC_CTLR_FINISHED 0x02
+#define HPC_CTLR_RESULT0 0x04
+#define HPC_CTLR_RESULT1 0x08
+#define HPC_CTLR_RESULE2 0x10
+#define HPC_CTLR_RESULT3 0x20
+#define HPC_CTLR_IRQ_ROUTG 0x40
+#define HPC_CTLR_IRQ_PENDG 0x80
+
+//----------------------------------------------------------------------------
+// HPC_CTLR_WORKING status return codes
+//----------------------------------------------------------------------------
+#define HPC_CTLR_WORKING_NO 0x00
+#define HPC_CTLR_WORKING_YES 0x01
+
+//----------------------------------------------------------------------------
+// HPC_CTLR_FINISHED status return codes
+//----------------------------------------------------------------------------
+#define HPC_CTLR_FINISHED_NO 0x00
+#define HPC_CTLR_FINISHED_YES 0x01
+
+//----------------------------------------------------------------------------
+// HPC_CTLR_RESULT status return codes
+//----------------------------------------------------------------------------
+#define HPC_CTLR_RESULT_SUCCESS 0x00
+#define HPC_CTLR_RESULT_FAILED 0x01
+#define HPC_CTLR_RESULT_RSVD 0x02
+#define HPC_CTLR_RESULT_NORESP 0x03
+
+
+//----------------------------------------------------------------------------
+// macro for slot info
+//----------------------------------------------------------------------------
+#define SLOT_POWER(s) ((u8) ((s & HPC_SLOT_POWER) \
+ ? HPC_SLOT_POWER_ON : HPC_SLOT_POWER_OFF))
+
+#define SLOT_CONNECT(s) ((u8) ((s & HPC_SLOT_CONNECT) \
+ ? HPC_SLOT_DISCONNECTED : HPC_SLOT_CONNECTED))
+
+#define SLOT_ATTN(s, es) ((u8) ((es & HPC_SLOT_BLINK_ATTN) \
+ ? HPC_SLOT_ATTN_BLINK \
+ : ((s & HPC_SLOT_ATTN) ? HPC_SLOT_ATTN_ON : HPC_SLOT_ATTN_OFF)))
+
+#define SLOT_PRESENT(s) ((u8) ((s & HPC_SLOT_PRSNT1) \
+ ? ((s & HPC_SLOT_PRSNT2) ? HPC_SLOT_EMPTY : HPC_SLOT_PRSNT_15) \
+ : ((s & HPC_SLOT_PRSNT2) ? HPC_SLOT_PRSNT_25 : HPC_SLOT_PRSNT_7)))
+
+#define SLOT_PWRGD(s) ((u8) ((s & HPC_SLOT_PWRGD) \
+ ? HPC_SLOT_PWRGD_GOOD : HPC_SLOT_PWRGD_FAULT_NONE))
+
+#define SLOT_BUS_SPEED(s) ((u8) ((s & HPC_SLOT_BUS_SPEED) \
+ ? HPC_SLOT_BUS_SPEED_MISM : HPC_SLOT_BUS_SPEED_OK))
+
+#define SLOT_LATCH(s) ((u8) ((s & HPC_SLOT_LATCH) \
+ ? HPC_SLOT_LATCH_CLOSED : HPC_SLOT_LATCH_OPEN))
+
+#define SLOT_PCIX(es) ((u8) ((es & HPC_SLOT_PCIX) \
+ ? HPC_SLOT_PCIX_YES : HPC_SLOT_PCIX_NO))
+
+#define SLOT_SPEED(es) ((u8) ((es & HPC_SLOT_SPEED2) \
+ ? ((es & HPC_SLOT_SPEED1) ? HPC_SLOT_SPEED_133 \
+ : HPC_SLOT_SPEED_66) \
+ : HPC_SLOT_SPEED_33))
+
+#define SLOT_BUS_MODE(es) ((u8) ((es & HPC_SLOT_BUS_MODE) \
+ ? HPC_SLOT_BUS_MODE_MISM : HPC_SLOT_BUS_MODE_OK))
+
+//--------------------------------------------------------------------------
+// macro for bus info
+//---------------------------------------------------------------------------
+#define CURRENT_BUS_SPEED(s) ((u8) (s & BUS_SPEED_2) \
+ ? ((s & BUS_SPEED_1) ? BUS_SPEED_133 : BUS_SPEED_100) \
+ : ((s & BUS_SPEED_1) ? BUS_SPEED_66 : BUS_SPEED_33))
+
+#define CURRENT_BUS_MODE(s) ((u8) (s & BUS_MODE) ? BUS_MODE_PCIX : BUS_MODE_PCI)
+
+#define READ_BUS_STATUS(s) ((u8) (s->options & BUS_STATUS_AVAILABLE))
+
+#define READ_BUS_MODE(s) ((s->revision & PRGM_MODEL_REV_LEVEL) >= 0x20)
+
+#define SET_BUS_STATUS(s) ((u8) (s->options & BUS_CONTROL_AVAILABLE))
+
+#define READ_SLOT_LATCH(s) ((u8) (s->options & SLOT_LATCH_REGS_SUPPORTED))
+
+//----------------------------------------------------------------------------
+// macro for controller info
+//----------------------------------------------------------------------------
+#define CTLR_WORKING(c) ((u8) ((c & HPC_CTLR_WORKING) \
+ ? HPC_CTLR_WORKING_YES : HPC_CTLR_WORKING_NO))
+#define CTLR_FINISHED(c) ((u8) ((c & HPC_CTLR_FINISHED) \
+ ? HPC_CTLR_FINISHED_YES : HPC_CTLR_FINISHED_NO))
+#define CTLR_RESULT(c) ((u8) ((c & HPC_CTLR_RESULT1) \
+ ? ((c & HPC_CTLR_RESULT0) ? HPC_CTLR_RESULT_NORESP \
+ : HPC_CTLR_RESULT_RSVD) \
+ : ((c & HPC_CTLR_RESULT0) ? HPC_CTLR_RESULT_FAILED \
+ : HPC_CTLR_RESULT_SUCCESS)))
+
+// command that affect the state machine of HPC
+#define NEEDTOCHECK_CMDSTATUS(c) ((c == HPC_SLOT_OFF) || \
+ (c == HPC_SLOT_ON) || \
+ (c == HPC_CTLR_RESET) || \
+ (c == HPC_BUS_33CONVMODE) || \
+ (c == HPC_BUS_66CONVMODE) || \
+ (c == HPC_BUS_66PCIXMODE) || \
+ (c == HPC_BUS_100PCIXMODE) || \
+ (c == HPC_BUS_133PCIXMODE) || \
+ (c == HPC_ALLSLOT_OFF) || \
+ (c == HPC_ALLSLOT_ON))
+
+
+/* Core part of the driver */
+
+#define ENABLE 1
+#define DISABLE 0
+
+#define CARD_INFO 0x07
+#define PCIX133 0x07
+#define PCIX66 0x05
+#define PCI66 0x04
+
+extern struct pci_bus *ibmphp_pci_bus;
+
+/* Variables */
+
+struct pci_func {
+ struct pci_dev *dev; /* from the OS */
+ u8 busno;
+ u8 device;
+ u8 function;
+ struct resource_node *io[6];
+ struct resource_node *mem[6];
+ struct resource_node *pfmem[6];
+ struct pci_func *next;
+ int devices[32]; /* for bridge config */
+ u8 irq[4]; /* for interrupt config */
+ u8 bus; /* flag for unconfiguring, to say if PPB */
+};
+
+struct slot {
+ u8 bus;
+ u8 device;
+ u8 number;
+ u8 real_physical_slot_num;
+ u32 capabilities;
+ u8 supported_speed;
+ u8 supported_bus_mode;
+ u8 flag; /* this is for disable slot and polling */
+ u8 ctlr_index;
+ struct hotplug_slot hotplug_slot;
+ struct controller *ctrl;
+ struct pci_func *func;
+ u8 irq[4];
+ int bit_mode; /* 0 = 32, 1 = 64 */
+ struct bus_info *bus_on;
+ struct list_head ibm_slot_list;
+ u8 status;
+ u8 ext_status;
+ u8 busstatus;
+};
+
+struct controller {
+ struct ebda_hpc_slot *slots;
+ struct ebda_hpc_bus *buses;
+ struct pci_dev *ctrl_dev; /* in case where controller is PCI */
+ u8 starting_slot_num; /* starting and ending slot #'s this ctrl controls*/
+ u8 ending_slot_num;
+ u8 revision;
+ u8 options; /* which options HPC supports */
+ u8 status;
+ u8 ctlr_id;
+ u8 slot_count;
+ u8 bus_count;
+ u8 ctlr_relative_id;
+ u32 irq;
+ union {
+ struct isa_ctlr_access isa_ctlr;
+ struct pci_ctlr_access pci_ctlr;
+ struct wpeg_i2c_ctlr_access wpeg_ctlr;
+ } u;
+ u8 ctlr_type;
+ struct list_head ebda_hpc_list;
+};
+
+/* Functions */
+
+int ibmphp_init_devno(struct slot **); /* This function is called from EBDA, so we need it not be static */
+int ibmphp_do_disable_slot(struct slot *slot_cur);
+int ibmphp_update_slot_info(struct slot *); /* This function is called from HPC, so we need it to not be static */
+int ibmphp_configure_card(struct pci_func *, u8);
+int ibmphp_unconfigure_card(struct slot **, int);
+extern const struct hotplug_slot_ops ibmphp_hotplug_slot_ops;
+
+static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot)
+{
+ return container_of(hotplug_slot, struct slot, hotplug_slot);
+}
+
+#endif //__IBMPHP_H
+