ibmphp_ebda.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:38k
- /*
- * IBM Hot Plug Controller Driver
- *
- * Written By: Tong Yu, IBM Corporation
- *
- * Copyright (c) 2001 Greg Kroah-Hartman (greg@kroah.com)
- * Copyright (c) 2001,2002 IBM Corp.
- *
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Send feedback to <gregkh@us.ibm.com>
- *
- */
- #include <linux/module.h>
- #include <linux/sched.h>
- #include <linux/errno.h>
- #include <linux/mm.h>
- #include <linux/slab.h>
- #include <linux/pci.h>
- #include <linux/list.h>
- #include <linux/init.h>
- #include "ibmphp.h"
- /*
- * POST builds data blocks(in this data block definition, a char-1
- * byte, short(or word)-2 byte, long(dword)-4 byte) in the Extended
- * BIOS Data Area which describe the configuration of the hot-plug
- * controllers and resources used by the PCI Hot-Plug devices.
- *
- * This file walks EBDA, maps data block from physical addr,
- * reconstruct linked lists about all system resource(MEM, PFM, IO)
- * already assigned by POST, as well as linked lists about hot plug
- * controllers (ctlr#, slot#, bus&slot features...)
- */
- /* Global lists */
- LIST_HEAD (ibmphp_ebda_pci_rsrc_head);
- LIST_HEAD (ibmphp_slot_head);
- /* Local variables */
- static struct ebda_hpc_list *hpc_list_ptr;
- static struct ebda_rsrc_list *rsrc_list_ptr;
- static struct rio_table_hdr *rio_table_ptr = NULL;
- static LIST_HEAD (ebda_hpc_head);
- static LIST_HEAD (bus_info_head);
- static LIST_HEAD (rio_vg_head);
- static LIST_HEAD (rio_lo_head);
- static LIST_HEAD (opt_vg_head);
- static LIST_HEAD (opt_lo_head);
- static void *io_mem;
- char *chassis_str, *rxe_str, *str;
- /* Local functions */
- static int ebda_rsrc_controller (void);
- static int ebda_rsrc_rsrc (void);
- static int ebda_rio_table (void);
- static struct slot *alloc_ibm_slot (void)
- {
- struct slot *slot;
- slot = kmalloc (sizeof (struct slot), GFP_KERNEL);
- if (!slot)
- return NULL;
- memset (slot, 0, sizeof (*slot));
- return slot;
- }
- static struct ebda_hpc_list * __init alloc_ebda_hpc_list (void)
- {
- struct ebda_hpc_list *list;
- list = kmalloc (sizeof (struct ebda_hpc_list), GFP_KERNEL);
- if (!list)
- return NULL;
- memset (list, 0, sizeof (*list));
- return list;
- }
- static struct controller *alloc_ebda_hpc (u32 slot_count, u32 bus_count)
- {
- struct controller *controller;
- struct ebda_hpc_slot *slots;
- struct ebda_hpc_bus *buses;
- controller = kmalloc (sizeof (struct controller), GFP_KERNEL);
- if (!controller)
- return NULL;
- memset (controller, 0, sizeof (*controller));
- slots = kmalloc (sizeof (struct ebda_hpc_slot) * slot_count, GFP_KERNEL);
- if (!slots) {
- kfree (controller);
- return NULL;
- }
- memset (slots, 0, sizeof (*slots) * slot_count);
- controller->slots = slots;
- buses = kmalloc (sizeof (struct ebda_hpc_bus) * bus_count, GFP_KERNEL);
- if (!buses) {
- kfree (controller->slots);
- kfree (controller);
- return NULL;
- }
- memset (buses, 0, sizeof (*buses) * bus_count);
- controller->buses = buses;
- return controller;
- }
- static void free_ebda_hpc (struct controller *controller)
- {
- kfree (controller->slots);
- controller->slots = NULL;
- kfree (controller->buses);
- controller->buses = NULL;
- controller->ctrl_dev = NULL;
- kfree (controller);
- }
- static struct ebda_rsrc_list * __init alloc_ebda_rsrc_list (void)
- {
- struct ebda_rsrc_list *list;
- list = kmalloc (sizeof (struct ebda_rsrc_list), GFP_KERNEL);
- if (!list)
- return NULL;
- memset (list, 0, sizeof (*list));
- return list;
- }
- static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
- {
- struct ebda_pci_rsrc *resource;
- resource = kmalloc (sizeof (struct ebda_pci_rsrc), GFP_KERNEL);
- if (!resource)
- return NULL;
- memset (resource, 0, sizeof (*resource));
- return resource;
- }
- static void __init print_bus_info (void)
- {
- struct bus_info *ptr;
- struct list_head *ptr1;
-
- list_for_each (ptr1, &bus_info_head) {
- ptr = list_entry (ptr1, struct bus_info, bus_info_list);
- debug ("%s - slot_min = %xn", __FUNCTION__, ptr->slot_min);
- debug ("%s - slot_max = %xn", __FUNCTION__, ptr->slot_max);
- debug ("%s - slot_count = %xn", __FUNCTION__, ptr->slot_count);
- debug ("%s - bus# = %xn", __FUNCTION__, ptr->busno);
- debug ("%s - current_speed = %xn", __FUNCTION__, ptr->current_speed);
- debug ("%s - controller_id = %xn", __FUNCTION__, ptr->controller_id);
-
- debug ("%s - slots_at_33_conv = %xn", __FUNCTION__, ptr->slots_at_33_conv);
- debug ("%s - slots_at_66_conv = %xn", __FUNCTION__, ptr->slots_at_66_conv);
- debug ("%s - slots_at_66_pcix = %xn", __FUNCTION__, ptr->slots_at_66_pcix);
- debug ("%s - slots_at_100_pcix = %xn", __FUNCTION__, ptr->slots_at_100_pcix);
- debug ("%s - slots_at_133_pcix = %xn", __FUNCTION__, ptr->slots_at_133_pcix);
- }
- }
- static void print_lo_info (void)
- {
- struct rio_detail *ptr;
- struct list_head *ptr1;
- debug ("print_lo_info ---- n");
- list_for_each (ptr1, &rio_lo_head) {
- ptr = list_entry (ptr1, struct rio_detail, rio_detail_list);
- debug ("%s - rio_node_id = %xn", __FUNCTION__, ptr->rio_node_id);
- debug ("%s - rio_type = %xn", __FUNCTION__, ptr->rio_type);
- debug ("%s - owner_id = %xn", __FUNCTION__, ptr->owner_id);
- debug ("%s - first_slot_num = %xn", __FUNCTION__, ptr->first_slot_num);
- debug ("%s - wpindex = %xn", __FUNCTION__, ptr->wpindex);
- debug ("%s - chassis_num = %xn", __FUNCTION__, ptr->chassis_num);
- }
- }
- static void print_vg_info (void)
- {
- struct rio_detail *ptr;
- struct list_head *ptr1;
- debug ("%s --- n", __FUNCTION__);
- list_for_each (ptr1, &rio_vg_head) {
- ptr = list_entry (ptr1, struct rio_detail, rio_detail_list);
- debug ("%s - rio_node_id = %xn", __FUNCTION__, ptr->rio_node_id);
- debug ("%s - rio_type = %xn", __FUNCTION__, ptr->rio_type);
- debug ("%s - owner_id = %xn", __FUNCTION__, ptr->owner_id);
- debug ("%s - first_slot_num = %xn", __FUNCTION__, ptr->first_slot_num);
- debug ("%s - wpindex = %xn", __FUNCTION__, ptr->wpindex);
- debug ("%s - chassis_num = %xn", __FUNCTION__, ptr->chassis_num);
- }
- }
- static void __init print_ebda_pci_rsrc (void)
- {
- struct ebda_pci_rsrc *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &ibmphp_ebda_pci_rsrc_head) {
- ptr = list_entry (ptr1, struct ebda_pci_rsrc, ebda_pci_rsrc_list);
- debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %xn",
- __FUNCTION__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr);
- }
- }
- static void __init print_ibm_slot (void)
- {
- struct slot *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &ibmphp_slot_head) {
- ptr = list_entry (ptr1, struct slot, ibm_slot_list);
- debug ("%s - slot_number: %x n", __FUNCTION__, ptr->number);
- }
- }
- static void __init print_opt_vg (void)
- {
- struct opt_rio *ptr;
- struct list_head *ptr1;
- debug ("%s --- n", __FUNCTION__);
- list_for_each (ptr1, &opt_vg_head) {
- ptr = list_entry (ptr1, struct opt_rio, opt_rio_list);
- debug ("%s - rio_type %x n", __FUNCTION__, ptr->rio_type);
- debug ("%s - chassis_num: %x n", __FUNCTION__, ptr->chassis_num);
- debug ("%s - first_slot_num: %x n", __FUNCTION__, ptr->first_slot_num);
- debug ("%s - middle_num: %x n", __FUNCTION__, ptr->middle_num);
- }
- }
- static void __init print_ebda_hpc (void)
- {
- struct controller *hpc_ptr;
- struct list_head *ptr1;
- u16 index;
- list_for_each (ptr1, &ebda_hpc_head) {
- hpc_ptr = list_entry (ptr1, struct controller, ebda_hpc_list);
- for (index = 0; index < hpc_ptr->slot_count; index++) {
- debug ("%s - physical slot#: %xn", __FUNCTION__, hpc_ptr->slots[index].slot_num);
- debug ("%s - pci bus# of the slot: %xn", __FUNCTION__, hpc_ptr->slots[index].slot_bus_num);
- debug ("%s - index into ctlr addr: %xn", __FUNCTION__, hpc_ptr->slots[index].ctl_index);
- debug ("%s - cap of the slot: %xn", __FUNCTION__, hpc_ptr->slots[index].slot_cap);
- }
- for (index = 0; index < hpc_ptr->bus_count; index++) {
- debug ("%s - bus# of each bus controlled by this ctlr: %xn", __FUNCTION__, hpc_ptr->buses[index].bus_num);
- }
- debug ("%s - type of hpc: %xn", __FUNCTION__, hpc_ptr->ctlr_type);
- switch (hpc_ptr->ctlr_type) {
- case 1:
- debug ("%s - bus: %xn", __FUNCTION__, hpc_ptr->u.pci_ctlr.bus);
- debug ("%s - dev_fun: %xn", __FUNCTION__, hpc_ptr->u.pci_ctlr.dev_fun);
- debug ("%s - irq: %xn", __FUNCTION__, hpc_ptr->irq);
- break;
- case 0:
- debug ("%s - io_start: %xn", __FUNCTION__, hpc_ptr->u.isa_ctlr.io_start);
- debug ("%s - io_end: %xn", __FUNCTION__, hpc_ptr->u.isa_ctlr.io_end);
- debug ("%s - irq: %xn", __FUNCTION__, hpc_ptr->irq);
- break;
- case 2:
- case 4:
- debug ("%s - wpegbbar: %lxn", __FUNCTION__, hpc_ptr->u.wpeg_ctlr.wpegbbar);
- debug ("%s - i2c_addr: %xn", __FUNCTION__, hpc_ptr->u.wpeg_ctlr.i2c_addr);
- debug ("%s - irq: %xn", __FUNCTION__, hpc_ptr->irq);
- break;
- }
- }
- }
- int __init ibmphp_access_ebda (void)
- {
- u8 format, num_ctlrs, rio_complete, hs_complete;
- u16 ebda_seg, num_entries, next_offset, offset, blk_id, sub_addr, rc, re, rc_id, re_id, base;
- rio_complete = 0;
- hs_complete = 0;
- io_mem = ioremap ((0x40 << 4) + 0x0e, 2);
- if (!io_mem )
- return -ENOMEM;
- ebda_seg = readw (io_mem);
- iounmap (io_mem);
- debug ("returned ebda segment: %xn", ebda_seg);
-
- io_mem = ioremap (ebda_seg<<4, 65000);
- if (!io_mem )
- return -ENOMEM;
- next_offset = 0x180;
- for (;;) {
- offset = next_offset;
- next_offset = readw (io_mem + offset); /* offset of next blk */
- offset += 2;
- if (next_offset == 0) /* 0 indicate it's last blk */
- break;
- blk_id = readw (io_mem + offset); /* this blk id */
- offset += 2;
- /* check if it is hot swap block or rio block */
- if (blk_id != 0x4853 && blk_id != 0x4752)
- continue;
- /* found hs table */
- if (blk_id == 0x4853) {
- debug ("now enter hot swap block---n");
- debug ("hot blk id: %xn", blk_id);
- format = readb (io_mem + offset);
- offset += 1;
- if (format != 4) {
- iounmap (io_mem);
- return -ENODEV;
- }
- debug ("hot blk format: %xn", format);
- /* hot swap sub blk */
- base = offset;
- sub_addr = base;
- re = readw (io_mem + sub_addr); /* next sub blk */
- sub_addr += 2;
- rc_id = readw (io_mem + sub_addr); /* sub blk id */
- sub_addr += 2;
- if (rc_id != 0x5243) {
- iounmap (io_mem);
- return -ENODEV;
- }
- /* rc sub blk signature */
- num_ctlrs = readb (io_mem + sub_addr);
- sub_addr += 1;
- hpc_list_ptr = alloc_ebda_hpc_list ();
- if (!hpc_list_ptr) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- hpc_list_ptr->format = format;
- hpc_list_ptr->num_ctlrs = num_ctlrs;
- hpc_list_ptr->phys_addr = sub_addr; /* offset of RSRC_CONTROLLER blk */
- debug ("info about hpc descriptor---n");
- debug ("hot blk format: %xn", format);
- debug ("num of controller: %xn", num_ctlrs);
- debug ("offset of hpc data structure enteries: %xn ", sub_addr);
- sub_addr = base + re; /* re sub blk */
- rc = readw (io_mem + sub_addr); /* next sub blk */
- sub_addr += 2;
- re_id = readw (io_mem + sub_addr); /* sub blk id */
- sub_addr += 2;
- if (re_id != 0x5245) {
- iounmap (io_mem);
- return -ENODEV;
- }
- /* signature of re */
- num_entries = readw (io_mem + sub_addr);
- sub_addr += 2; /* offset of RSRC_ENTRIES blk */
- rsrc_list_ptr = alloc_ebda_rsrc_list ();
- if (!rsrc_list_ptr ) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- rsrc_list_ptr->format = format;
- rsrc_list_ptr->num_entries = num_entries;
- rsrc_list_ptr->phys_addr = sub_addr;
- debug ("info about rsrc descriptor---n");
- debug ("format: %xn", format);
- debug ("num of rsrc: %xn", num_entries);
- debug ("offset of rsrc data structure enteries: %xn ", sub_addr);
- hs_complete = 1;
- }
- /* found rio table */
- else if (blk_id == 0x4752) {
- debug ("now enter io table ---n");
- debug ("rio blk id: %xn", blk_id);
- rio_table_ptr = kmalloc (sizeof (struct rio_table_hdr), GFP_KERNEL);
- if (!rio_table_ptr)
- return -ENOMEM;
- memset (rio_table_ptr, 0, sizeof (struct rio_table_hdr) );
- rio_table_ptr->ver_num = readb (io_mem + offset);
- rio_table_ptr->scal_count = readb (io_mem + offset + 1);
- rio_table_ptr->riodev_count = readb (io_mem + offset + 2);
- rio_table_ptr->offset = offset +3 ;
-
- debug ("info about rio table hdr ---n");
- debug ("ver_num: %xnscal_count: %xnriodev_count: %xnoffset of rio table: %xn ", rio_table_ptr->ver_num, rio_table_ptr->scal_count, rio_table_ptr->riodev_count, rio_table_ptr->offset);
- rio_complete = 1;
- }
- }
- if (!hs_complete && !rio_complete) {
- iounmap (io_mem);
- return -ENODEV;
- }
- if (rio_table_ptr) {
- if (rio_complete == 1 && rio_table_ptr->ver_num == 3) {
- rc = ebda_rio_table ();
- if (rc) {
- iounmap (io_mem);
- return rc;
- }
- }
- }
- rc = ebda_rsrc_controller ();
- if (rc) {
- iounmap (io_mem);
- return rc;
- }
- rc = ebda_rsrc_rsrc ();
- if (rc) {
- iounmap (io_mem);
- return rc;
- }
- iounmap (io_mem);
- return 0;
- }
- /*
- * map info of scalability details and rio details from physical address
- */
- static int __init ebda_rio_table (void)
- {
- u16 offset;
- u8 i;
- struct rio_detail *rio_detail_ptr;
- offset = rio_table_ptr->offset;
- offset += 12 * rio_table_ptr->scal_count;
- // we do concern about rio details
- for (i = 0; i < rio_table_ptr->riodev_count; i++) {
- rio_detail_ptr = kmalloc (sizeof (struct rio_detail), GFP_KERNEL);
- if (!rio_detail_ptr)
- return -ENOMEM;
- memset (rio_detail_ptr, 0, sizeof (struct rio_detail));
- rio_detail_ptr->rio_node_id = readb (io_mem + offset);
- rio_detail_ptr->bbar = readl (io_mem + offset + 1);
- rio_detail_ptr->rio_type = readb (io_mem + offset + 5);
- rio_detail_ptr->owner_id = readb (io_mem + offset + 6);
- rio_detail_ptr->port0_node_connect = readb (io_mem + offset + 7);
- rio_detail_ptr->port0_port_connect = readb (io_mem + offset + 8);
- rio_detail_ptr->port1_node_connect = readb (io_mem + offset + 9);
- rio_detail_ptr->port1_port_connect = readb (io_mem + offset + 10);
- rio_detail_ptr->first_slot_num = readb (io_mem + offset + 11);
- rio_detail_ptr->status = readb (io_mem + offset + 12);
- rio_detail_ptr->wpindex = readb (io_mem + offset + 13);
- rio_detail_ptr->chassis_num = readb (io_mem + offset + 14);
- // debug ("rio_node_id: %xnbbar: %xnrio_type: %xnowner_id: %xnport0_node: %xnport0_port: %xnport1_node: %xnport1_port: %xnfirst_slot_num: %xnstatus: %xn", rio_detail_ptr->rio_node_id, rio_detail_ptr->bbar, rio_detail_ptr->rio_type, rio_detail_ptr->owner_id, rio_detail_ptr->port0_node_connect, rio_detail_ptr->port0_port_connect, rio_detail_ptr->port1_node_connect, rio_detail_ptr->port1_port_connect, rio_detail_ptr->first_slot_num, rio_detail_ptr->status);
- //create linked list of chassis
- if (rio_detail_ptr->rio_type == 4 || rio_detail_ptr->rio_type == 5)
- list_add (&rio_detail_ptr->rio_detail_list, &rio_vg_head);
- //create linked list of expansion box
- else if (rio_detail_ptr->rio_type == 6 || rio_detail_ptr->rio_type == 7)
- list_add (&rio_detail_ptr->rio_detail_list, &rio_lo_head);
- else
- // not in my concern
- kfree (rio_detail_ptr);
- offset += 15;
- }
- print_lo_info ();
- print_vg_info ();
- return 0;
- }
- /*
- * reorganizing linked list of chassis
- */
- static struct opt_rio *search_opt_vg (u8 chassis_num)
- {
- struct opt_rio *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &opt_vg_head) {
- ptr = list_entry (ptr1, struct opt_rio, opt_rio_list);
- if (ptr->chassis_num == chassis_num)
- return ptr;
- }
- return NULL;
- }
- static int __init combine_wpg_for_chassis (void)
- {
- struct opt_rio *opt_rio_ptr = NULL;
- struct rio_detail *rio_detail_ptr = NULL;
- struct list_head *list_head_ptr = NULL;
-
- list_for_each (list_head_ptr, &rio_vg_head) {
- rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
- opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
- if (!opt_rio_ptr) {
- opt_rio_ptr = (struct opt_rio *) kmalloc (sizeof (struct opt_rio), GFP_KERNEL);
- if (!opt_rio_ptr)
- return -ENOMEM;
- memset (opt_rio_ptr, 0, sizeof (struct opt_rio));
- opt_rio_ptr->rio_type = rio_detail_ptr->rio_type;
- opt_rio_ptr->chassis_num = rio_detail_ptr->chassis_num;
- opt_rio_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
- opt_rio_ptr->middle_num = rio_detail_ptr->first_slot_num;
- list_add (&opt_rio_ptr->opt_rio_list, &opt_vg_head);
- } else {
- opt_rio_ptr->first_slot_num = min (opt_rio_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
- opt_rio_ptr->middle_num = max (opt_rio_ptr->middle_num, rio_detail_ptr->first_slot_num);
- }
- }
- print_opt_vg ();
- return 0;
- }
- /*
- * reorgnizing linked list of expansion box
- */
- static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
- {
- struct opt_rio_lo *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &opt_lo_head) {
- ptr = list_entry (ptr1, struct opt_rio_lo, opt_rio_lo_list);
- if (ptr->chassis_num == chassis_num)
- return ptr;
- }
- return NULL;
- }
- static int combine_wpg_for_expansion (void)
- {
- struct opt_rio_lo *opt_rio_lo_ptr = NULL;
- struct rio_detail *rio_detail_ptr = NULL;
- struct list_head *list_head_ptr = NULL;
-
- list_for_each (list_head_ptr, &rio_lo_head) {
- rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
- opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
- if (!opt_rio_lo_ptr) {
- opt_rio_lo_ptr = (struct opt_rio_lo *) kmalloc (sizeof (struct opt_rio_lo), GFP_KERNEL);
- if (!opt_rio_lo_ptr)
- return -ENOMEM;
- memset (opt_rio_lo_ptr, 0, sizeof (struct opt_rio_lo));
- opt_rio_lo_ptr->rio_type = rio_detail_ptr->rio_type;
- opt_rio_lo_ptr->chassis_num = rio_detail_ptr->chassis_num;
- opt_rio_lo_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
- opt_rio_lo_ptr->middle_num = rio_detail_ptr->first_slot_num;
- opt_rio_lo_ptr->pack_count = 1;
-
- list_add (&opt_rio_lo_ptr->opt_rio_lo_list, &opt_lo_head);
- } else {
- opt_rio_lo_ptr->first_slot_num = min (opt_rio_lo_ptr->first_slot_num, rio_detail_ptr->first_slot_num);
- opt_rio_lo_ptr->middle_num = max (opt_rio_lo_ptr->middle_num, rio_detail_ptr->first_slot_num);
- opt_rio_lo_ptr->pack_count = 2;
- }
- }
- return 0;
- }
-
- static char *convert_2digits_to_char (int var)
- {
- int bit;
- char *str1;
- str = (char *) kmalloc (3, GFP_KERNEL);
- memset (str, 0, 3);
- str1 = (char *) kmalloc (2, GFP_KERNEL);
- memset (str, 0, 3);
- bit = (int)(var / 10);
- switch (bit) {
- case 0:
- //one digit number
- *str = (char)(var + 48);
- return str;
- default:
- //2 digits number
- *str1 = (char)(bit + 48);
- strncpy (str, str1, 1);
- memset (str1, 0, 3);
- *str1 = (char)((var % 10) + 48);
- strcat (str, str1);
- return str;
- }
- return NULL;
- }
- /* Since we don't know the max slot number per each chassis, hence go
- * through the list of all chassis to find out the range
- * Arguments: slot_num, 1st slot number of the chassis we think we are on,
- * var (0 = chassis, 1 = expansion box)
- */
- static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
- {
- struct opt_rio *opt_vg_ptr = NULL;
- struct opt_rio_lo *opt_lo_ptr = NULL;
- struct list_head *ptr = NULL;
- int rc = 0;
- if (!var) {
- list_for_each (ptr, &opt_vg_head) {
- opt_vg_ptr = list_entry (ptr, struct opt_rio, opt_rio_list);
- if ((first_slot < opt_vg_ptr->first_slot_num) && (slot_num >= opt_vg_ptr->first_slot_num)) {
- rc = -ENODEV;
- break;
- }
- }
- } else {
- list_for_each (ptr, &opt_lo_head) {
- opt_lo_ptr = list_entry (ptr, struct opt_rio_lo, opt_rio_lo_list);
- if ((first_slot < opt_lo_ptr->first_slot_num) && (slot_num >= opt_lo_ptr->first_slot_num)) {
- rc = -ENODEV;
- break;
- }
- }
- }
- return rc;
- }
- static struct opt_rio_lo * find_rxe_num (u8 slot_num)
- {
- struct opt_rio_lo *opt_lo_ptr;
- struct list_head *ptr;
- list_for_each (ptr, &opt_lo_head) {
- opt_lo_ptr = list_entry (ptr, struct opt_rio_lo, opt_rio_lo_list);
- //check to see if this slot_num belongs to expansion box
- if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1)))
- return opt_lo_ptr;
- }
- return NULL;
- }
- static struct opt_rio * find_chassis_num (u8 slot_num)
- {
- struct opt_rio *opt_vg_ptr;
- struct list_head *ptr;
- list_for_each (ptr, &opt_vg_head) {
- opt_vg_ptr = list_entry (ptr, struct opt_rio, opt_rio_list);
- //check to see if this slot_num belongs to chassis
- if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0)))
- return opt_vg_ptr;
- }
- return NULL;
- }
- /* This routine will find out how many slots are in the chassis, so that
- * the slot numbers for rxe100 would start from 1, and not from 7, or 6 etc
- */
- static u8 calculate_first_slot (u8 slot_num)
- {
- u8 first_slot = 1;
- struct list_head * list;
- struct slot * slot_cur;
-
- list_for_each (list, &ibmphp_slot_head) {
- slot_cur = list_entry (list, struct slot, ibm_slot_list);
- if (slot_cur->ctrl) {
- if ((slot_cur->ctrl->ctlr_type != 4) && (slot_cur->ctrl->ending_slot_num > first_slot) && (slot_num > slot_cur->ctrl->ending_slot_num))
- first_slot = slot_cur->ctrl->ending_slot_num;
- }
- }
- return first_slot + 1;
- }
- static char *create_file_name (struct slot * slot_cur)
- {
- struct opt_rio *opt_vg_ptr = NULL;
- struct opt_rio_lo *opt_lo_ptr = NULL;
- char *ptr_chassis_num, *ptr_rxe_num, *ptr_slot_num;
- int which = 0; /* rxe = 1, chassis = 0 */
- u8 number = 1; /* either chassis or rxe # */
- u8 first_slot = 1;
- u8 slot_num;
- u8 flag = 0;
- if (!slot_cur) {
- err ("Structure passed is empty n");
- return NULL;
- }
-
- slot_num = slot_cur->number;
- chassis_str = (char *) kmalloc (30, GFP_KERNEL);
- memset (chassis_str, 0, 30);
- rxe_str = (char *) kmalloc (30, GFP_KERNEL);
- memset (rxe_str, 0, 30);
- ptr_chassis_num = (char *) kmalloc (3, GFP_KERNEL);
- memset (ptr_chassis_num, 0, 3);
- ptr_rxe_num = (char *) kmalloc (3, GFP_KERNEL);
- memset (ptr_rxe_num, 0, 3);
- ptr_slot_num = (char *) kmalloc (3, GFP_KERNEL);
- memset (ptr_slot_num, 0, 3);
-
- strcpy (chassis_str, "chassis");
- strcpy (rxe_str, "rxe");
-
- if (rio_table_ptr) {
- if (rio_table_ptr->ver_num == 3) {
- opt_vg_ptr = find_chassis_num (slot_num);
- opt_lo_ptr = find_rxe_num (slot_num);
- }
- }
- if (opt_vg_ptr) {
- if (opt_lo_ptr) {
- if ((slot_num - opt_vg_ptr->first_slot_num) > (slot_num - opt_lo_ptr->first_slot_num)) {
- number = opt_lo_ptr->chassis_num;
- first_slot = opt_lo_ptr->first_slot_num;
- which = 1; /* it is RXE */
- } else {
- first_slot = opt_vg_ptr->first_slot_num;
- number = opt_vg_ptr->chassis_num;
- which = 0;
- }
- } else {
- first_slot = opt_vg_ptr->first_slot_num;
- number = opt_vg_ptr->chassis_num;
- which = 0;
- }
- ++flag;
- } else if (opt_lo_ptr) {
- number = opt_lo_ptr->chassis_num;
- first_slot = opt_lo_ptr->first_slot_num;
- which = 1;
- ++flag;
- } else if (rio_table_ptr) {
- if (rio_table_ptr->ver_num == 3) {
- /* if both NULL and we DO have correct RIO table in BIOS */
- return NULL;
- }
- }
- if (!flag) {
- if (slot_cur->ctrl->ctlr_type == 4) {
- first_slot = calculate_first_slot (slot_num);
- which = 1;
- } else {
- which = 0;
- }
- }
- switch (which) {
- case 0:
- /* Chassis */
- *ptr_chassis_num = (char)(number + 48);
- strcat (chassis_str, ptr_chassis_num);
- kfree (ptr_chassis_num);
- strcat (chassis_str, "slot");
- ptr_slot_num = convert_2digits_to_char (slot_num - first_slot + 1);
- strcat (chassis_str, ptr_slot_num);
- kfree (ptr_slot_num);
- return chassis_str;
- break;
- case 1:
- /* RXE */
- *ptr_rxe_num = (char)(number + 48);
- strcat (rxe_str, ptr_rxe_num);
- kfree (ptr_rxe_num);
- strcat (rxe_str, "slot");
- ptr_slot_num = convert_2digits_to_char (slot_num - first_slot + 1);
- strcat (rxe_str, ptr_slot_num);
- kfree (ptr_slot_num);
- return rxe_str;
- break;
- }
- return NULL;
- }
- static struct pci_driver ibmphp_driver;
- /*
- * map info (ctlr-id, slot count, slot#.. bus count, bus#, ctlr type...) of
- * each hpc from physical address to a list of hot plug controllers based on
- * hpc descriptors.
- */
- static int __init ebda_rsrc_controller (void)
- {
- u16 addr, addr_slot, addr_bus;
- u8 ctlr_id, temp, bus_index;
- u16 ctlr, slot, bus;
- u16 slot_num, bus_num, index;
- struct hotplug_slot *hp_slot_ptr;
- struct controller *hpc_ptr;
- struct ebda_hpc_bus *bus_ptr;
- struct ebda_hpc_slot *slot_ptr;
- struct bus_info *bus_info_ptr1, *bus_info_ptr2;
- int rc;
- int retval;
- struct slot *slot_cur;
- struct list_head *list;
- addr = hpc_list_ptr->phys_addr;
- for (ctlr = 0; ctlr < hpc_list_ptr->num_ctlrs; ctlr++) {
- bus_index = 1;
- ctlr_id = readb (io_mem + addr);
- addr += 1;
- slot_num = readb (io_mem + addr);
- addr += 1;
- addr_slot = addr; /* offset of slot structure */
- addr += (slot_num * 4);
- bus_num = readb (io_mem + addr);
- addr += 1;
- addr_bus = addr; /* offset of bus */
- addr += (bus_num * 9); /* offset of ctlr_type */
- temp = readb (io_mem + addr);
- addr += 1;
- /* init hpc structure */
- hpc_ptr = alloc_ebda_hpc (slot_num, bus_num);
- if (!hpc_ptr ) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- hpc_ptr->ctlr_id = ctlr_id;
- hpc_ptr->ctlr_relative_id = ctlr;
- hpc_ptr->slot_count = slot_num;
- hpc_ptr->bus_count = bus_num;
- debug ("now enter ctlr data struture ---n");
- debug ("ctlr id: %xn", ctlr_id);
- debug ("ctlr_relative_id: %xn", hpc_ptr->ctlr_relative_id);
- debug ("count of slots controlled by this ctlr: %xn", slot_num);
- debug ("count of buses controlled by this ctlr: %xn", bus_num);
- /* init slot structure, fetch slot, bus, cap... */
- slot_ptr = hpc_ptr->slots;
- for (slot = 0; slot < slot_num; slot++) {
- slot_ptr->slot_num = readb (io_mem + addr_slot);
- slot_ptr->slot_bus_num = readb (io_mem + addr_slot + slot_num);
- slot_ptr->ctl_index = readb (io_mem + addr_slot + 2*slot_num);
- slot_ptr->slot_cap = readb (io_mem + addr_slot + 3*slot_num);
- // create bus_info lined list --- if only one slot per bus: slot_min = slot_max
- bus_info_ptr2 = ibmphp_find_same_bus_num (slot_ptr->slot_bus_num);
- if (!bus_info_ptr2) {
- bus_info_ptr1 = (struct bus_info *) kmalloc (sizeof (struct bus_info), GFP_KERNEL);
- if (!bus_info_ptr1) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- memset (bus_info_ptr1, 0, sizeof (struct bus_info));
- bus_info_ptr1->slot_min = slot_ptr->slot_num;
- bus_info_ptr1->slot_max = slot_ptr->slot_num;
- bus_info_ptr1->slot_count += 1;
- bus_info_ptr1->busno = slot_ptr->slot_bus_num;
- bus_info_ptr1->index = bus_index++;
- bus_info_ptr1->current_speed = 0xff;
- bus_info_ptr1->current_bus_mode = 0xff;
-
- bus_info_ptr1->controller_id = hpc_ptr->ctlr_id;
-
- list_add_tail (&bus_info_ptr1->bus_info_list, &bus_info_head);
- } else {
- bus_info_ptr2->slot_min = min (bus_info_ptr2->slot_min, slot_ptr->slot_num);
- bus_info_ptr2->slot_max = max (bus_info_ptr2->slot_max, slot_ptr->slot_num);
- bus_info_ptr2->slot_count += 1;
- }
- // end of creating the bus_info linked list
- slot_ptr++;
- addr_slot += 1;
- }
- /* init bus structure */
- bus_ptr = hpc_ptr->buses;
- for (bus = 0; bus < bus_num; bus++) {
- bus_ptr->bus_num = readb (io_mem + addr_bus + bus);
- bus_ptr->slots_at_33_conv = readb (io_mem + addr_bus + bus_num + 8 * bus);
- bus_ptr->slots_at_66_conv = readb (io_mem + addr_bus + bus_num + 8 * bus + 1);
- bus_ptr->slots_at_66_pcix = readb (io_mem + addr_bus + bus_num + 8 * bus + 2);
- bus_ptr->slots_at_100_pcix = readb (io_mem + addr_bus + bus_num + 8 * bus + 3);
- bus_ptr->slots_at_133_pcix = readb (io_mem + addr_bus + bus_num + 8 * bus + 4);
- bus_info_ptr2 = ibmphp_find_same_bus_num (bus_ptr->bus_num);
- if (bus_info_ptr2) {
- bus_info_ptr2->slots_at_33_conv = bus_ptr->slots_at_33_conv;
- bus_info_ptr2->slots_at_66_conv = bus_ptr->slots_at_66_conv;
- bus_info_ptr2->slots_at_66_pcix = bus_ptr->slots_at_66_pcix;
- bus_info_ptr2->slots_at_100_pcix = bus_ptr->slots_at_100_pcix;
- bus_info_ptr2->slots_at_133_pcix = bus_ptr->slots_at_133_pcix;
- }
- bus_ptr++;
- }
- hpc_ptr->ctlr_type = temp;
- switch (hpc_ptr->ctlr_type) {
- case 1:
- hpc_ptr->u.pci_ctlr.bus = readb (io_mem + addr);
- hpc_ptr->u.pci_ctlr.dev_fun = readb (io_mem + addr + 1);
- hpc_ptr->irq = readb (io_mem + addr + 2);
- addr += 3;
- debug ("ctrl bus = %x, ctlr devfun = %x, irq = %xn", hpc_ptr->u.pci_ctlr.bus, hpc_ptr->u.pci_ctlr.dev_fun, hpc_ptr->irq);
- break;
- case 0:
- hpc_ptr->u.isa_ctlr.io_start = readw (io_mem + addr);
- hpc_ptr->u.isa_ctlr.io_end = readw (io_mem + addr + 2);
- retval = check_region (hpc_ptr->u.isa_ctlr.io_start, (hpc_ptr->u.isa_ctlr.io_end - hpc_ptr->u.isa_ctlr.io_start + 1));
- if (retval)
- return -ENODEV;
- request_region (hpc_ptr->u.isa_ctlr.io_start, (hpc_ptr->u.isa_ctlr.io_end - hpc_ptr->u.isa_ctlr.io_start + 1), "ibmphp");
- hpc_ptr->irq = readb (io_mem + addr + 4);
- addr += 5;
- break;
- case 2:
- case 4:
- hpc_ptr->u.wpeg_ctlr.wpegbbar = readl (io_mem + addr);
- hpc_ptr->u.wpeg_ctlr.i2c_addr = readb (io_mem + addr + 4);
- hpc_ptr->irq = readb (io_mem + addr + 5);
- addr += 6;
- break;
- default:
- iounmap (io_mem);
- return -ENODEV;
- }
- //reorganize chassis' linked list
- combine_wpg_for_chassis ();
- combine_wpg_for_expansion ();
- hpc_ptr->revision = 0xff;
- hpc_ptr->options = 0xff;
- hpc_ptr->starting_slot_num = hpc_ptr->slots[0].slot_num;
- hpc_ptr->ending_slot_num = hpc_ptr->slots[slot_num-1].slot_num;
- // register slots with hpc core as well as create linked list of ibm slot
- for (index = 0; index < hpc_ptr->slot_count; index++) {
- hp_slot_ptr = (struct hotplug_slot *) kmalloc (sizeof (struct hotplug_slot), GFP_KERNEL);
- if (!hp_slot_ptr) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- memset (hp_slot_ptr, 0, sizeof (struct hotplug_slot));
- hp_slot_ptr->info = (struct hotplug_slot_info *) kmalloc (sizeof (struct hotplug_slot_info), GFP_KERNEL);
- if (!hp_slot_ptr->info) {
- iounmap (io_mem);
- kfree (hp_slot_ptr);
- return -ENOMEM;
- }
- memset (hp_slot_ptr->info, 0, sizeof (struct hotplug_slot_info));
- hp_slot_ptr->name = (char *) kmalloc (30, GFP_KERNEL);
- if (!hp_slot_ptr->name) {
- iounmap (io_mem);
- kfree (hp_slot_ptr->info);
- kfree (hp_slot_ptr);
- return -ENOMEM;
- }
- hp_slot_ptr->private = alloc_ibm_slot ();
- if (!hp_slot_ptr->private) {
- iounmap (io_mem);
- kfree (hp_slot_ptr->name);
- kfree (hp_slot_ptr->info);
- kfree (hp_slot_ptr);
- return -ENOMEM;
- }
- ((struct slot *)hp_slot_ptr->private)->flag = TRUE;
- ((struct slot *) hp_slot_ptr->private)->capabilities = hpc_ptr->slots[index].slot_cap;
- if ((hpc_ptr->slots[index].slot_cap & EBDA_SLOT_133_MAX) == EBDA_SLOT_133_MAX)
- ((struct slot *) hp_slot_ptr->private)->supported_speed = 3;
- else if ((hpc_ptr->slots[index].slot_cap & EBDA_SLOT_100_MAX) == EBDA_SLOT_100_MAX)
- ((struct slot *) hp_slot_ptr->private)->supported_speed = 2;
- else if ((hpc_ptr->slots[index].slot_cap & EBDA_SLOT_66_MAX) == EBDA_SLOT_66_MAX)
- ((struct slot *) hp_slot_ptr->private)->supported_speed = 1;
-
- if ((hpc_ptr->slots[index].slot_cap & EBDA_SLOT_PCIX_CAP) == EBDA_SLOT_PCIX_CAP)
- ((struct slot *) hp_slot_ptr->private)->supported_bus_mode = 1;
- else
- ((struct slot *) hp_slot_ptr->private)->supported_bus_mode = 0;
- ((struct slot *) hp_slot_ptr->private)->bus = hpc_ptr->slots[index].slot_bus_num;
- bus_info_ptr1 = ibmphp_find_same_bus_num (hpc_ptr->slots[index].slot_bus_num);
- if (!bus_info_ptr1) {
- iounmap (io_mem);
- return -ENODEV;
- }
- ((struct slot *) hp_slot_ptr->private)->bus_on = bus_info_ptr1;
- bus_info_ptr1 = NULL;
- ((struct slot *) hp_slot_ptr->private)->ctrl = hpc_ptr;
- ((struct slot *) hp_slot_ptr->private)->ctlr_index = hpc_ptr->slots[index].ctl_index;
- ((struct slot *) hp_slot_ptr->private)->number = hpc_ptr->slots[index].slot_num;
-
- ((struct slot *) hp_slot_ptr->private)->hotplug_slot = hp_slot_ptr;
- rc = ibmphp_hpc_fillhpslotinfo (hp_slot_ptr);
- if (rc) {
- iounmap (io_mem);
- return rc;
- }
- rc = ibmphp_init_devno ((struct slot **) &hp_slot_ptr->private);
- if (rc) {
- iounmap (io_mem);
- return rc;
- }
- hp_slot_ptr->ops = &ibmphp_hotplug_slot_ops;
- // end of registering ibm slot with hotplug core
- list_add (& ((struct slot *)(hp_slot_ptr->private))->ibm_slot_list, &ibmphp_slot_head);
- }
- print_bus_info ();
- list_add (&hpc_ptr->ebda_hpc_list, &ebda_hpc_head );
- } /* each hpc */
- list_for_each (list, &ibmphp_slot_head) {
- slot_cur = list_entry (list, struct slot, ibm_slot_list);
- snprintf (slot_cur->hotplug_slot->name, 30, "%s", create_file_name (slot_cur));
- if (chassis_str)
- kfree (chassis_str);
- if (rxe_str)
- kfree (rxe_str);
- pci_hp_register (slot_cur->hotplug_slot);
- }
- print_ebda_hpc ();
- print_ibm_slot ();
- return 0;
- }
- /*
- * map info (bus, devfun, start addr, end addr..) of i/o, memory,
- * pfm from the physical addr to a list of resource.
- */
- static int __init ebda_rsrc_rsrc (void)
- {
- u16 addr;
- short rsrc;
- u8 type, rsrc_type;
- struct ebda_pci_rsrc *rsrc_ptr;
- addr = rsrc_list_ptr->phys_addr;
- debug ("now entering rsrc landn");
- debug ("offset of rsrc: %xn", rsrc_list_ptr->phys_addr);
- for (rsrc = 0; rsrc < rsrc_list_ptr->num_entries; rsrc++) {
- type = readb (io_mem + addr);
- addr += 1;
- rsrc_type = type & EBDA_RSRC_TYPE_MASK;
- if (rsrc_type == EBDA_IO_RSRC_TYPE) {
- rsrc_ptr = alloc_ebda_pci_rsrc ();
- if (!rsrc_ptr) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- rsrc_ptr->rsrc_type = type;
- rsrc_ptr->bus_num = readb (io_mem + addr);
- rsrc_ptr->dev_fun = readb (io_mem + addr + 1);
- rsrc_ptr->start_addr = readw (io_mem + addr + 2);
- rsrc_ptr->end_addr = readw (io_mem + addr + 4);
- addr += 6;
- debug ("rsrc from io type ----n");
- debug ("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %xn",
- rsrc_ptr->rsrc_type, rsrc_ptr->bus_num, rsrc_ptr->dev_fun, rsrc_ptr->start_addr, rsrc_ptr->end_addr);
- list_add (&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
- }
- if (rsrc_type == EBDA_MEM_RSRC_TYPE || rsrc_type == EBDA_PFM_RSRC_TYPE) {
- rsrc_ptr = alloc_ebda_pci_rsrc ();
- if (!rsrc_ptr ) {
- iounmap (io_mem);
- return -ENOMEM;
- }
- rsrc_ptr->rsrc_type = type;
- rsrc_ptr->bus_num = readb (io_mem + addr);
- rsrc_ptr->dev_fun = readb (io_mem + addr + 1);
- rsrc_ptr->start_addr = readl (io_mem + addr + 2);
- rsrc_ptr->end_addr = readl (io_mem + addr + 6);
- addr += 10;
- debug ("rsrc from mem or pfm ---n");
- debug ("rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %xn",
- rsrc_ptr->rsrc_type, rsrc_ptr->bus_num, rsrc_ptr->dev_fun, rsrc_ptr->start_addr, rsrc_ptr->end_addr);
- list_add (&rsrc_ptr->ebda_pci_rsrc_list, &ibmphp_ebda_pci_rsrc_head);
- }
- }
- kfree (rsrc_list_ptr);
- rsrc_list_ptr = NULL;
- print_ebda_pci_rsrc ();
- return 0;
- }
- u16 ibmphp_get_total_controllers (void)
- {
- return hpc_list_ptr->num_ctlrs;
- }
- struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
- {
- struct slot *slot;
- struct list_head *list;
- list_for_each (list, &ibmphp_slot_head) {
- slot = list_entry (list, struct slot, ibm_slot_list);
- if (slot->number == physical_num)
- return slot;
- }
- return NULL;
- }
- /* To find:
- * - the smallest slot number
- * - the largest slot number
- * - the total number of the slots based on each bus
- * (if only one slot per bus slot_min = slot_max )
- */
- struct bus_info *ibmphp_find_same_bus_num (u32 num)
- {
- struct bus_info *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &bus_info_head) {
- ptr = list_entry (ptr1, struct bus_info, bus_info_list);
- if (ptr->busno == num)
- return ptr;
- }
- return NULL;
- }
- /* Finding relative bus number, in order to map corresponding
- * bus register
- */
- int ibmphp_get_bus_index (u8 num)
- {
- struct bus_info *ptr;
- struct list_head *ptr1;
- list_for_each (ptr1, &bus_info_head) {
- ptr = list_entry (ptr1, struct bus_info, bus_info_list);
- if (ptr->busno == num)
- return ptr->index;
- }
- return -ENODEV;
- }
- void ibmphp_free_bus_info_queue (void)
- {
- struct bus_info *bus_info;
- struct list_head *list;
- struct list_head *next;
- list_for_each_safe (list, next, &bus_info_head ) {
- bus_info = list_entry (list, struct bus_info, bus_info_list);
- kfree (bus_info);
- }
- }
- void ibmphp_free_ebda_hpc_queue (void)
- {
- struct controller *controller = NULL;
- struct list_head *list;
- struct list_head *next;
- int pci_flag = 0;
- list_for_each_safe (list, next, &ebda_hpc_head) {
- controller = list_entry (list, struct controller, ebda_hpc_list);
- if (controller->ctlr_type == 0)
- release_region (controller->u.isa_ctlr.io_start, (controller->u.isa_ctlr.io_end - controller->u.isa_ctlr.io_start + 1));
- else if ((controller->ctlr_type == 1) && (!pci_flag)) {
- ++pci_flag;
- pci_unregister_driver (&ibmphp_driver);
- }
- free_ebda_hpc (controller);
- }
- }
- void ibmphp_free_ebda_pci_rsrc_queue (void)
- {
- struct ebda_pci_rsrc *resource;
- struct list_head *list;
- struct list_head *next;
- list_for_each_safe (list, next, &ibmphp_ebda_pci_rsrc_head) {
- resource = list_entry (list, struct ebda_pci_rsrc, ebda_pci_rsrc_list);
- kfree (resource);
- resource = NULL;
- }
- }
- static struct pci_device_id id_table[] __devinitdata = {
- {
- vendor: PCI_VENDOR_ID_IBM,
- device: HPC_DEVICE_ID,
- subvendor: PCI_VENDOR_ID_IBM,
- subdevice: HPC_SUBSYSTEM_ID,
- class: ((PCI_CLASS_SYSTEM_PCI_HOTPLUG << 8) | 0x00),
- }, {}
- };
- MODULE_DEVICE_TABLE(pci, id_table);
- static int ibmphp_probe (struct pci_dev *, const struct pci_device_id *);
- static struct pci_driver ibmphp_driver = {
- name: "ibmphp",
- id_table: id_table,
- probe: ibmphp_probe,
- };
- int ibmphp_register_pci (void)
- {
- struct controller *ctrl;
- struct list_head *tmp;
- int rc = 0;
- list_for_each (tmp, &ebda_hpc_head) {
- ctrl = list_entry (tmp, struct controller, ebda_hpc_list);
- if (ctrl->ctlr_type == 1) {
- rc = pci_module_init (&ibmphp_driver);
- break;
- }
- }
- return rc;
- }
- static int ibmphp_probe (struct pci_dev * dev, const struct pci_device_id *ids)
- {
- struct controller *ctrl;
- struct list_head *tmp;
- debug ("inside ibmphp_probe n");
-
- list_for_each (tmp, &ebda_hpc_head) {
- ctrl = list_entry (tmp, struct controller, ebda_hpc_list);
- if (ctrl->ctlr_type == 1) {
- if ((dev->devfn == ctrl->u.pci_ctlr.dev_fun) && (dev->bus->number == ctrl->u.pci_ctlr.bus)) {
- ctrl->ctrl_dev = dev;
- debug ("found device!!! n");
- debug ("dev->device = %x, dev->subsystem_device = %xn", dev->device, dev->subsystem_device);
- return 0;
- }
- }
- }
- return -ENODEV;
- }