module.c (1da177e4c3f41524e886b7f1b8a0c1fc7321cac2) module.c (278d72ae8803ffcd16070c95fe1d53f4466dc741)
1
2/*
3 * IBM ASM Service Processor Device Driver
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.

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51 */
52
53#include <linux/pci.h>
54#include <linux/init.h>
55#include "ibmasm.h"
56#include "lowlevel.h"
57#include "remote.h"
58
1
2/*
3 * IBM ASM Service Processor Device Driver
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.

--- 42 unchanged lines hidden (view full) ---

51 */
52
53#include <linux/pci.h>
54#include <linux/init.h>
55#include "ibmasm.h"
56#include "lowlevel.h"
57#include "remote.h"
58
59int ibmasm_debug = 0;
60module_param(ibmasm_debug, int , S_IRUGO | S_IWUSR);
61MODULE_PARM_DESC(ibmasm_debug, " Set debug mode on or off");
59
62
63
60static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
61{
64static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
65{
62 int err, result = -ENOMEM;
66 int result;
63 struct service_processor *sp;
64
67 struct service_processor *sp;
68
65 if ((err = pci_enable_device(pdev))) {
66 printk(KERN_ERR "%s: can't enable PCI device at %s\n",
67 DRIVER_NAME, pci_name(pdev));
68 return err;
69 if ((result = pci_enable_device(pdev))) {
70 dev_err(&pdev->dev, "Failed to enable PCI device\n");
71 return result;
69 }
72 }
73 if ((result = pci_request_regions(pdev, DRIVER_NAME))) {
74 dev_err(&pdev->dev, "Failed to allocate PCI resources\n");
75 goto error_resources;
76 }
77 /* vnc client won't work without bus-mastering */
78 pci_set_master(pdev);
70
71 sp = kmalloc(sizeof(struct service_processor), GFP_KERNEL);
72 if (sp == NULL) {
73 dev_err(&pdev->dev, "Failed to allocate memory\n");
74 result = -ENOMEM;
75 goto error_kmalloc;
76 }
77 memset(sp, 0, sizeof(struct service_processor));
78
79
80 sp = kmalloc(sizeof(struct service_processor), GFP_KERNEL);
81 if (sp == NULL) {
82 dev_err(&pdev->dev, "Failed to allocate memory\n");
83 result = -ENOMEM;
84 goto error_kmalloc;
85 }
86 memset(sp, 0, sizeof(struct service_processor));
87
88 sp->lock = SPIN_LOCK_UNLOCKED;
89 INIT_LIST_HEAD(&sp->command_queue);
90
79 pci_set_drvdata(pdev, (void *)sp);
80 sp->dev = &pdev->dev;
81 sp->number = pdev->bus->number;
82 snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number);
83 snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number);
84
85 if (ibmasm_event_buffer_init(sp)) {
86 dev_err(sp->dev, "Failed to allocate event buffer\n");

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96 sp->base_address = ioremap(pci_resource_start(pdev, 0),
97 pci_resource_len(pdev, 0));
98 if (sp->base_address == 0) {
99 dev_err(sp->dev, "Failed to ioremap pci memory\n");
100 result = -ENODEV;
101 goto error_ioremap;
102 }
103
91 pci_set_drvdata(pdev, (void *)sp);
92 sp->dev = &pdev->dev;
93 sp->number = pdev->bus->number;
94 snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number);
95 snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number);
96
97 if (ibmasm_event_buffer_init(sp)) {
98 dev_err(sp->dev, "Failed to allocate event buffer\n");

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108 sp->base_address = ioremap(pci_resource_start(pdev, 0),
109 pci_resource_len(pdev, 0));
110 if (sp->base_address == 0) {
111 dev_err(sp->dev, "Failed to ioremap pci memory\n");
112 result = -ENODEV;
113 goto error_ioremap;
114 }
115
104 result = ibmasm_init_remote_queue(sp);
105 if (result) {
106 dev_err(sp->dev, "Failed to initialize remote queue\n");
107 goto error_remote_queue;
108 }
109
110 spin_lock_init(&sp->lock);
111 INIT_LIST_HEAD(&sp->command_queue);
112
113 result = request_irq(sp->irq, ibmasm_interrupt_handler, SA_SHIRQ, sp->devname, (void*)sp);
114 if (result) {
115 dev_err(sp->dev, "Failed to register interrupt handler\n");
116 goto error_request_irq;
117 }
118
119 enable_sp_interrupts(sp->base_address);
116 result = request_irq(sp->irq, ibmasm_interrupt_handler, SA_SHIRQ, sp->devname, (void*)sp);
117 if (result) {
118 dev_err(sp->dev, "Failed to register interrupt handler\n");
119 goto error_request_irq;
120 }
121
122 enable_sp_interrupts(sp->base_address);
120 disable_mouse_interrupts(sp);
121
123
124 result = ibmasm_init_remote_input_dev(sp);
125 if (result) {
126 dev_err(sp->dev, "Failed to initialize remote queue\n");
127 goto error_send_message;
128 }
129
122 result = ibmasm_send_driver_vpd(sp);
123 if (result) {
124 dev_err(sp->dev, "Failed to send driver VPD to service processor\n");
125 goto error_send_message;
126 }
127 result = ibmasm_send_os_state(sp, SYSTEM_STATE_OS_UP);
128 if (result) {
129 dev_err(sp->dev, "Failed to send OS state to service processor\n");
130 goto error_send_message;
131 }
132 ibmasmfs_add_sp(sp);
133
134 ibmasm_register_uart(sp);
135
130 result = ibmasm_send_driver_vpd(sp);
131 if (result) {
132 dev_err(sp->dev, "Failed to send driver VPD to service processor\n");
133 goto error_send_message;
134 }
135 result = ibmasm_send_os_state(sp, SYSTEM_STATE_OS_UP);
136 if (result) {
137 dev_err(sp->dev, "Failed to send OS state to service processor\n");
138 goto error_send_message;
139 }
140 ibmasmfs_add_sp(sp);
141
142 ibmasm_register_uart(sp);
143
136 dev_printk(KERN_DEBUG, &pdev->dev, "WARNING: This software may not be supported or function\n");
137 dev_printk(KERN_DEBUG, &pdev->dev, "correctly on your IBM server. Please consult the IBM\n");
138 dev_printk(KERN_DEBUG, &pdev->dev, "ServerProven website\n");
139 dev_printk(KERN_DEBUG, &pdev->dev, "http://www.pc.ibm.com/ww/eserver/xseries/serverproven\n");
140 dev_printk(KERN_DEBUG, &pdev->dev, "for information on the specific driver level and support\n");
141 dev_printk(KERN_DEBUG, &pdev->dev, "statement for your IBM server.\n");
142
143 return 0;
144
145error_send_message:
146 disable_sp_interrupts(sp->base_address);
144 return 0;
145
146error_send_message:
147 disable_sp_interrupts(sp->base_address);
148 ibmasm_free_remote_input_dev(sp);
147 free_irq(sp->irq, (void *)sp);
148error_request_irq:
149 free_irq(sp->irq, (void *)sp);
150error_request_irq:
149 ibmasm_free_remote_queue(sp);
150error_remote_queue:
151 iounmap(sp->base_address);
152error_ioremap:
153 ibmasm_heartbeat_exit(sp);
154error_heartbeat:
155 ibmasm_event_buffer_exit(sp);
156error_eventbuffer:
151 iounmap(sp->base_address);
152error_ioremap:
153 ibmasm_heartbeat_exit(sp);
154error_heartbeat:
155 ibmasm_event_buffer_exit(sp);
156error_eventbuffer:
157 pci_set_drvdata(pdev, NULL);
157 kfree(sp);
158error_kmalloc:
158 kfree(sp);
159error_kmalloc:
159 pci_disable_device(pdev);
160 pci_release_regions(pdev);
161error_resources:
162 pci_disable_device(pdev);
160
161 return result;
162}
163
164static void __devexit ibmasm_remove_one(struct pci_dev *pdev)
165{
166 struct service_processor *sp = (struct service_processor *)pci_get_drvdata(pdev);
167
163
164 return result;
165}
166
167static void __devexit ibmasm_remove_one(struct pci_dev *pdev)
168{
169 struct service_processor *sp = (struct service_processor *)pci_get_drvdata(pdev);
170
171 dbg("Unregistering UART\n");
168 ibmasm_unregister_uart(sp);
172 ibmasm_unregister_uart(sp);
169 ibmasm_send_os_state(sp, SYSTEM_STATE_OS_DOWN);
173 dbg("Sending OS down message\n");
174 if (ibmasm_send_os_state(sp, SYSTEM_STATE_OS_DOWN))
175 err("failed to get repsonse to 'Send OS State' command\n");
176 dbg("Disabling heartbeats\n");
177 ibmasm_heartbeat_exit(sp);
178 dbg("Disabling interrupts\n");
170 disable_sp_interrupts(sp->base_address);
179 disable_sp_interrupts(sp->base_address);
171 disable_mouse_interrupts(sp);
180 dbg("Freeing SP irq\n");
172 free_irq(sp->irq, (void *)sp);
181 free_irq(sp->irq, (void *)sp);
173 ibmasm_heartbeat_exit(sp);
174 ibmasm_free_remote_queue(sp);
182 dbg("Cleaning up\n");
183 ibmasm_free_remote_input_dev(sp);
175 iounmap(sp->base_address);
176 ibmasm_event_buffer_exit(sp);
184 iounmap(sp->base_address);
185 ibmasm_event_buffer_exit(sp);
186 pci_set_drvdata(pdev, NULL);
177 kfree(sp);
187 kfree(sp);
188 pci_release_regions(pdev);
178 pci_disable_device(pdev);
179}
180
181static struct pci_device_id ibmasm_pci_table[] =
182{
183 { PCI_DEVICE(VENDORID_IBM, DEVICEID_RSA) },
184 {},
185};

--- 43 unchanged lines hidden --- 		189 pci_disable_device(pdev);
190}
191
192static struct pci_device_id ibmasm_pci_table[] =
193{
194 { PCI_DEVICE(VENDORID_IBM, DEVICEID_RSA) },
195 {},
196};

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