*
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/string.h>
#include <linux/kdev_t.h>
#include <linux/skbuff.h>
#include <linux/suspend.h>
+#include <linux/kthread.h>
#include <asm/byteorder.h>
-#include <asm/semaphore.h>
#include "ieee1394_types.h"
#include "ieee1394.h"
/* Disable Isochronous Resource Manager functionality */
int hpsb_disable_irm = 0;
-module_param_named(disable_irm, hpsb_disable_irm, bool, 0);
+module_param_named(disable_irm, hpsb_disable_irm, bool, 0444);
MODULE_PARM_DESC(disable_irm,
"Disable Isochronous Resource Manager functionality.");
printk("\n");
}
#else
-#define dump_packet(a,b,c,d)
+#define dump_packet(a,b,c,d) do {} while (0)
#endif
static void abort_requests(struct hpsb_host *host);
static void build_speed_map(struct hpsb_host *host, int nodecount)
{
- u8 speedcap[nodecount];
u8 cldcnt[nodecount];
u8 *map = host->speed_map;
+ u8 *speedcap = host->speed;
struct selfid *sid;
struct ext_selfid *esid;
int i, j, n;
}
}
}
+
+#if SELFID_SPEED_UNKNOWN != IEEE1394_SPEED_MAX
+ /* assume maximum speed for 1394b PHYs, nodemgr will correct it */
+ for (n = 0; n < nodecount; n++)
+ if (speedcap[n] == SELFID_SPEED_UNKNOWN)
+ speedcap[n] = IEEE1394_SPEED_MAX;
+#endif
}
return 0;
}
- if (packet->type == hpsb_async && packet->node_id != ALL_NODES) {
+ if (packet->type == hpsb_async &&
+ NODEID_TO_NODE(packet->node_id) != ALL_NODES)
packet->speed_code =
- host->speed_map[NODEID_TO_NODE(host->node_id) * 64
- + NODEID_TO_NODE(packet->node_id)];
- }
+ host->speed[NODEID_TO_NODE(packet->node_id)];
dump_packet("send packet", packet->header, packet->header_size, packet->speed_code);
* packets that have a "complete" function are sent here. This way, the
* completion is run out of kernel context, and doesn't block the rest of
* the stack. */
-static int khpsbpkt_pid = -1, khpsbpkt_kill;
-static DECLARE_COMPLETION(khpsbpkt_complete);
+static struct task_struct *khpsbpkt_thread;
static struct sk_buff_head hpsbpkt_queue;
-static DECLARE_MUTEX_LOCKED(khpsbpkt_sig);
-
static void queue_packet_complete(struct hpsb_packet *packet)
{
}
if (packet->complete_routine != NULL) {
skb_queue_tail(&hpsbpkt_queue, packet->skb);
-
- /* Signal the kernel thread to handle this */
- up(&khpsbpkt_sig);
+ wake_up_process(khpsbpkt_thread);
}
return;
}
void (*complete_routine)(void*);
void *complete_data;
- daemonize("khpsbpkt");
-
current->flags |= PF_NOFREEZE;
- while (1) {
- if (down_interruptible(&khpsbpkt_sig)) {
- printk("khpsbpkt: received unexpected signal?!\n" );
- break;
- }
-
- if (khpsbpkt_kill)
- break;
-
+ while (!kthread_should_stop()) {
while ((skb = skb_dequeue(&hpsbpkt_queue)) != NULL) {
packet = (struct hpsb_packet *)skb->data;
complete_routine(complete_data);
}
- }
- complete_and_exit(&khpsbpkt_complete, 0);
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (!skb_peek(&hpsbpkt_queue))
+ schedule();
+ __set_current_state(TASK_RUNNING);
+ }
+ return 0;
}
static int __init ieee1394_init(void)
HPSB_ERR("Some features may not be available\n");
}
- khpsbpkt_pid = kernel_thread(hpsbpkt_thread, NULL, CLONE_KERNEL);
- if (khpsbpkt_pid < 0) {
+ khpsbpkt_thread = kthread_run(hpsbpkt_thread, NULL, "khpsbpkt");
+ if (IS_ERR(khpsbpkt_thread)) {
HPSB_ERR("Failed to start hpsbpkt thread!\n");
- ret = -ENOMEM;
+ ret = PTR_ERR(khpsbpkt_thread);
goto exit_cleanup_config_roms;
}
goto exit_release_kernel_thread;
}
- /* actually this is a non-fatal error */
- ret = devfs_mk_dir("ieee1394");
- if (ret < 0) {
- HPSB_ERR("unable to make devfs dir for device major %d!\n", IEEE1394_MAJOR);
- goto release_chrdev;
- }
-
ret = bus_register(&ieee1394_bus_type);
if (ret < 0) {
HPSB_INFO("bus register failed");
- goto release_devfs;
+ goto release_chrdev;
}
for (i = 0; fw_bus_attrs[i]; i++) {
fw_bus_attrs[i--]);
}
bus_unregister(&ieee1394_bus_type);
- goto release_devfs;
+ goto release_chrdev;
}
}
for (i = 0; fw_bus_attrs[i]; i++)
bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]);
bus_unregister(&ieee1394_bus_type);
-release_devfs:
- devfs_remove("ieee1394");
release_chrdev:
unregister_chrdev_region(IEEE1394_CORE_DEV, 256);
exit_release_kernel_thread:
- if (khpsbpkt_pid >= 0) {
- kill_proc(khpsbpkt_pid, SIGTERM, 1);
- wait_for_completion(&khpsbpkt_complete);
- }
+ kthread_stop(khpsbpkt_thread);
exit_cleanup_config_roms:
hpsb_cleanup_config_roms();
return ret;
bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]);
bus_unregister(&ieee1394_bus_type);
- if (khpsbpkt_pid >= 0) {
- khpsbpkt_kill = 1;
- mb();
- up(&khpsbpkt_sig);
- wait_for_completion(&khpsbpkt_complete);
- }
+ kthread_stop(khpsbpkt_thread);
hpsb_cleanup_config_roms();
unregister_chrdev_region(IEEE1394_CORE_DEV, 256);
- devfs_remove("ieee1394");
}
-module_init(ieee1394_init);
+fs_initcall(ieee1394_init); /* same as ohci1394 */
module_exit(ieee1394_cleanup);
/* Exported symbols */
/** nodemgr.c **/
EXPORT_SYMBOL(hpsb_node_fill_packet);
EXPORT_SYMBOL(hpsb_node_write);
-EXPORT_SYMBOL(hpsb_register_protocol);
+EXPORT_SYMBOL(__hpsb_register_protocol);
EXPORT_SYMBOL(hpsb_unregister_protocol);
-EXPORT_SYMBOL(ieee1394_bus_type);
#ifdef CONFIG_IEEE1394_EXPORT_FULL_API
+EXPORT_SYMBOL(ieee1394_bus_type);
EXPORT_SYMBOL(nodemgr_for_each_host);
#endif