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-rw-r--r--drivers/misc/ibmasm/ibmasm.h76
1 files changed, 33 insertions, 43 deletions
diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h
index 6fec7fd8cd1a..ecce4ffd3e23 100644
--- a/drivers/misc/ibmasm/ibmasm.h
+++ b/drivers/misc/ibmasm/ibmasm.h
@@ -34,16 +34,31 @@
34#include <linux/version.h> 34#include <linux/version.h>
35#include <linux/interrupt.h> 35#include <linux/interrupt.h>
36#include <linux/device.h> 36#include <linux/device.h>
37#include <linux/input.h>
37 38
38/* Driver identification */ 39/* Driver identification */
39#define DRIVER_NAME "ibmasm" 40#define DRIVER_NAME "ibmasm"
40#define DRIVER_VERSION "0.4" 41#define DRIVER_VERSION "1.0"
41#define DRIVER_AUTHOR "Max Asbock" 42#define DRIVER_AUTHOR "Max Asbock <masbock@us.ibm.com>, Vernon Mauery <vernux@us.ibm.com>"
42#define DRIVER_DESC "IBM ASM Service Processor Driver" 43#define DRIVER_DESC "IBM ASM Service Processor Driver"
43 44
44#define err(msg) printk(KERN_ERR "%s: " msg "\n", DRIVER_NAME) 45#define err(msg) printk(KERN_ERR "%s: " msg "\n", DRIVER_NAME)
45#define info(msg) printk(KERN_INFO "%s: " msg "\n", DRIVER_NAME) 46#define info(msg) printk(KERN_INFO "%s: " msg "\n", DRIVER_NAME)
46 47
48extern int ibmasm_debug;
49#define dbg(STR, ARGS...) \
50 do { \
51 if (ibmasm_debug) \
52 printk(KERN_DEBUG STR , ##ARGS); \
53 } while (0)
54
55static inline char *get_timestamp(char *buf)
56{
57 struct timeval now;
58 do_gettimeofday(&now);
59 sprintf(buf, "%lu.%lu", now.tv_sec, now.tv_usec);
60 return buf;
61}
47 62
48#define IBMASM_CMD_PENDING 0 63#define IBMASM_CMD_PENDING 0
49#define IBMASM_CMD_COMPLETE 1 64#define IBMASM_CMD_COMPLETE 1
@@ -52,7 +67,7 @@
52#define IBMASM_CMD_TIMEOUT_NORMAL 45 67#define IBMASM_CMD_TIMEOUT_NORMAL 45
53#define IBMASM_CMD_TIMEOUT_EXTRA 240 68#define IBMASM_CMD_TIMEOUT_EXTRA 240
54 69
55#define IBMASM_CMD_MAX_BUFFER_SIZE 0x4000 70#define IBMASM_CMD_MAX_BUFFER_SIZE 0x8000
56 71
57#define REVERSE_HEARTBEAT_TIMEOUT 120 72#define REVERSE_HEARTBEAT_TIMEOUT 120
58 73
@@ -80,12 +95,17 @@ struct command {
80 size_t buffer_size; 95 size_t buffer_size;
81 int status; 96 int status;
82 struct kobject kobj; 97 struct kobject kobj;
98 spinlock_t *lock;
83}; 99};
84#define to_command(c) container_of(c, struct command, kobj) 100#define to_command(c) container_of(c, struct command, kobj)
85 101
86static inline void command_put(struct command *cmd) 102static inline void command_put(struct command *cmd)
87{ 103{
104 unsigned long flags;
105
106 spin_lock_irqsave(cmd->lock, flags);
88 kobject_put(&cmd->kobj); 107 kobject_put(&cmd->kobj);
108 spin_unlock_irqrestore(cmd->lock, flags);
89} 109}
90 110
91static inline void command_get(struct command *cmd) 111static inline void command_get(struct command *cmd)
@@ -108,6 +128,7 @@ struct event_buffer {
108}; 128};
109 129
110struct event_reader { 130struct event_reader {
131 int cancelled;
111 unsigned int next_serial_number; 132 unsigned int next_serial_number;
112 wait_queue_head_t wait; 133 wait_queue_head_t wait;
113 struct list_head node; 134 struct list_head node;
@@ -120,41 +141,11 @@ struct reverse_heartbeat {
120 unsigned int stopped; 141 unsigned int stopped;
121}; 142};
122 143
123 144struct ibmasm_remote {
124/* remote console events */ 145 struct input_dev keybd_dev;
125struct mouse_event { 146 struct input_dev mouse_dev;
126 long x;
127 long y;
128 unsigned char buttons;
129 unsigned char transitions;
130};
131
132struct keyboard_event {
133 unsigned long key_code;
134 unsigned char key_down;
135}; 147};
136 148
137struct remote_event {
138 unsigned long type;
139 union {
140 struct mouse_event mouse;
141 struct keyboard_event keyboard;
142 } data;
143};
144
145#define DRIVER_REMOTE_QUEUE_SIZE 240
146
147struct remote_queue {
148 struct remote_event *start;
149 struct remote_event *end;
150 struct remote_event *reader;
151 struct remote_event *writer;
152 unsigned int size;
153 int open;
154 wait_queue_head_t wait;
155};
156
157
158struct service_processor { 149struct service_processor {
159 struct list_head node; 150 struct list_head node;
160 spinlock_t lock; 151 spinlock_t lock;
@@ -167,13 +158,13 @@ struct service_processor {
167 char dirname[IBMASM_NAME_SIZE]; 158 char dirname[IBMASM_NAME_SIZE];
168 char devname[IBMASM_NAME_SIZE]; 159 char devname[IBMASM_NAME_SIZE];
169 unsigned int number; 160 unsigned int number;
170 struct remote_queue remote_queue; 161 struct ibmasm_remote *remote;
171 int serial_line; 162 int serial_line;
172 struct device *dev; 163 struct device *dev;
173}; 164};
174 165
175/* command processing */ 166/* command processing */
176extern struct command *ibmasm_new_command(size_t buffer_size); 167extern struct command *ibmasm_new_command(struct service_processor *sp, size_t buffer_size);
177extern void ibmasm_exec_command(struct service_processor *sp, struct command *cmd); 168extern void ibmasm_exec_command(struct service_processor *sp, struct command *cmd);
178extern void ibmasm_wait_for_response(struct command *cmd, int timeout); 169extern void ibmasm_wait_for_response(struct command *cmd, int timeout);
179extern void ibmasm_receive_command_response(struct service_processor *sp, void *response, size_t size); 170extern void ibmasm_receive_command_response(struct service_processor *sp, void *response, size_t size);
@@ -185,6 +176,7 @@ extern void ibmasm_receive_event(struct service_processor *sp, void *data, unsi
185extern void ibmasm_event_reader_register(struct service_processor *sp, struct event_reader *reader); 176extern void ibmasm_event_reader_register(struct service_processor *sp, struct event_reader *reader);
186extern void ibmasm_event_reader_unregister(struct service_processor *sp, struct event_reader *reader); 177extern void ibmasm_event_reader_unregister(struct service_processor *sp, struct event_reader *reader);
187extern int ibmasm_get_next_event(struct service_processor *sp, struct event_reader *reader); 178extern int ibmasm_get_next_event(struct service_processor *sp, struct event_reader *reader);
179extern void ibmasm_cancel_next_event(struct event_reader *reader);
188 180
189/* heartbeat - from SP to OS */ 181/* heartbeat - from SP to OS */
190extern void ibmasm_register_panic_notifier(void); 182extern void ibmasm_register_panic_notifier(void);
@@ -208,11 +200,9 @@ extern int ibmasm_send_i2o_message(struct service_processor *sp);
208extern irqreturn_t ibmasm_interrupt_handler(int irq, void * dev_id, struct pt_regs *regs); 200extern irqreturn_t ibmasm_interrupt_handler(int irq, void * dev_id, struct pt_regs *regs);
209 201
210/* remote console */ 202/* remote console */
211extern void ibmasm_handle_mouse_interrupt(struct service_processor *sp); 203extern void ibmasm_handle_mouse_interrupt(struct service_processor *sp, struct pt_regs *regs);
212extern int ibmasm_init_remote_queue(struct service_processor *sp); 204extern int ibmasm_init_remote_input_dev(struct service_processor *sp);
213extern void ibmasm_free_remote_queue(struct service_processor *sp); 205extern void ibmasm_free_remote_input_dev(struct service_processor *sp);
214extern void ibmasm_advance_reader(struct remote_queue *q, unsigned int n);
215extern size_t ibmasm_events_available(struct remote_queue *q);
216 206
217/* file system */ 207/* file system */
218extern int ibmasmfs_register(void); 208extern int ibmasmfs_register(void);