diff options
Diffstat (limited to 'drivers/misc/ibmasm/ibmasm.h')
| -rw-r--r-- | drivers/misc/ibmasm/ibmasm.h | 76 |
1 files changed, 33 insertions, 43 deletions
diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h index 6fec7fd8cd1..ecce4ffd3e2 100644 --- a/drivers/misc/ibmasm/ibmasm.h +++ b/drivers/misc/ibmasm/ibmasm.h @@ -34,16 +34,31 @@ #include <linux/version.h> #include <linux/interrupt.h> #include <linux/device.h> +#include <linux/input.h> /* Driver identification */ #define DRIVER_NAME "ibmasm" -#define DRIVER_VERSION "0.4" -#define DRIVER_AUTHOR "Max Asbock" +#define DRIVER_VERSION "1.0" +#define DRIVER_AUTHOR "Max Asbock <masbock@us.ibm.com>, Vernon Mauery <vernux@us.ibm.com>" #define DRIVER_DESC "IBM ASM Service Processor Driver" #define err(msg) printk(KERN_ERR "%s: " msg "\n", DRIVER_NAME) #define info(msg) printk(KERN_INFO "%s: " msg "\n", DRIVER_NAME) +extern int ibmasm_debug; +#define dbg(STR, ARGS...) \ + do { \ + if (ibmasm_debug) \ + printk(KERN_DEBUG STR , ##ARGS); \ + } while (0) + +static inline char *get_timestamp(char *buf) +{ + struct timeval now; + do_gettimeofday(&now); + sprintf(buf, "%lu.%lu", now.tv_sec, now.tv_usec); + return buf; +} #define IBMASM_CMD_PENDING 0 #define IBMASM_CMD_COMPLETE 1 @@ -52,7 +67,7 @@ #define IBMASM_CMD_TIMEOUT_NORMAL 45 #define IBMASM_CMD_TIMEOUT_EXTRA 240 -#define IBMASM_CMD_MAX_BUFFER_SIZE 0x4000 +#define IBMASM_CMD_MAX_BUFFER_SIZE 0x8000 #define REVERSE_HEARTBEAT_TIMEOUT 120 @@ -80,12 +95,17 @@ struct command { size_t buffer_size; int status; struct kobject kobj; + spinlock_t *lock; }; #define to_command(c) container_of(c, struct command, kobj) static inline void command_put(struct command *cmd) { + unsigned long flags; + + spin_lock_irqsave(cmd->lock, flags); kobject_put(&cmd->kobj); + spin_unlock_irqrestore(cmd->lock, flags); } static inline void command_get(struct command *cmd) @@ -108,6 +128,7 @@ struct event_buffer { }; struct event_reader { + int cancelled; unsigned int next_serial_number; wait_queue_head_t wait; struct list_head node; @@ -120,41 +141,11 @@ struct reverse_heartbeat { unsigned int stopped; }; - -/* remote console events */ -struct mouse_event { - long x; - long y; - unsigned char buttons; - unsigned char transitions; -}; - -struct keyboard_event { - unsigned long key_code; - unsigned char key_down; +struct ibmasm_remote { + struct input_dev keybd_dev; + struct input_dev mouse_dev; }; -struct remote_event { - unsigned long type; - union { - struct mouse_event mouse; - struct keyboard_event keyboard; - } data; -}; - -#define DRIVER_REMOTE_QUEUE_SIZE 240 - -struct remote_queue { - struct remote_event *start; - struct remote_event *end; - struct remote_event *reader; - struct remote_event *writer; - unsigned int size; - int open; - wait_queue_head_t wait; -}; - - struct service_processor { struct list_head node; spinlock_t lock; @@ -167,13 +158,13 @@ struct service_processor { char dirname[IBMASM_NAME_SIZE]; char devname[IBMASM_NAME_SIZE]; unsigned int number; - struct remote_queue remote_queue; + struct ibmasm_remote *remote; int serial_line; struct device *dev; }; /* command processing */ -extern struct command *ibmasm_new_command(size_t buffer_size); +extern struct command *ibmasm_new_command(struct service_processor *sp, size_t buffer_size); extern void ibmasm_exec_command(struct service_processor *sp, struct command *cmd); extern void ibmasm_wait_for_response(struct command *cmd, int timeout); extern 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 extern void ibmasm_event_reader_register(struct service_processor *sp, struct event_reader *reader); extern void ibmasm_event_reader_unregister(struct service_processor *sp, struct event_reader *reader); extern int ibmasm_get_next_event(struct service_processor *sp, struct event_reader *reader); +extern void ibmasm_cancel_next_event(struct event_reader *reader); /* heartbeat - from SP to OS */ extern void ibmasm_register_panic_notifier(void); @@ -208,11 +200,9 @@ extern int ibmasm_send_i2o_message(struct service_processor *sp); extern irqreturn_t ibmasm_interrupt_handler(int irq, void * dev_id, struct pt_regs *regs); /* remote console */ -extern void ibmasm_handle_mouse_interrupt(struct service_processor *sp); -extern int ibmasm_init_remote_queue(struct service_processor *sp); -extern void ibmasm_free_remote_queue(struct service_processor *sp); -extern void ibmasm_advance_reader(struct remote_queue *q, unsigned int n); -extern size_t ibmasm_events_available(struct remote_queue *q); +extern void ibmasm_handle_mouse_interrupt(struct service_processor *sp, struct pt_regs *regs); +extern int ibmasm_init_remote_input_dev(struct service_processor *sp); +extern void ibmasm_free_remote_input_dev(struct service_processor *sp); /* file system */ extern int ibmasmfs_register(void); |