diff options
Diffstat (limited to 'drivers/pci/hotplug/ibmphp.h')
| -rw-r--r-- | drivers/pci/hotplug/ibmphp.h | 750 |
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 + |