* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2004, 2006 Silicon Graphics, Inc. All rights reserved.
*/
/*
#define SCDRV_TIMEOUT 1000
static irqreturn_t
-scdrv_interrupt(int irq, void *subch_data, struct pt_regs *regs)
+scdrv_interrupt(int irq, void *subch_data)
{
struct subch_data_s *sd = subch_data;
unsigned long flags;
scd = container_of(inode->i_cdev, struct sysctl_data_s, scd_cdev);
/* allocate memory for subchannel data */
- sd = kmalloc(sizeof (struct subch_data_s), GFP_KERNEL);
+ sd = kzalloc(sizeof (struct subch_data_s), GFP_KERNEL);
if (sd == NULL) {
printk("%s: couldn't allocate subchannel data\n",
__FUNCTION__);
}
/* initialize subch_data_s fields */
- memset(sd, 0, sizeof (struct subch_data_s));
sd->sd_nasid = scd->scd_nasid;
sd->sd_subch = ia64_sn_irtr_open(scd->scd_nasid);
/* hook this subchannel up to the system controller interrupt */
rv = request_irq(SGI_UART_VECTOR, scdrv_interrupt,
- SA_SHIRQ | SA_INTERRUPT,
+ IRQF_SHARED | IRQF_DISABLED,
SYSCTL_BASENAME, sd);
if (rv) {
ia64_sn_irtr_close(sd->sd_nasid, sd->sd_subch);
}
len = CHUNKSIZE;
- add_wait_queue(&sd->sd_rq, &wait);
set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&sd->sd_rq, &wait);
spin_unlock_irqrestore(&sd->sd_rlock, flags);
schedule_timeout(SCDRV_TIMEOUT);
return -EAGAIN;
}
- add_wait_queue(&sd->sd_wq, &wait);
set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&sd->sd_wq, &wait);
spin_unlock_irqrestore(&sd->sd_wlock, flags);
schedule_timeout(SCDRV_TIMEOUT);
return mask;
}
-static struct file_operations scdrv_fops = {
+static const struct file_operations scdrv_fops = {
.owner = THIS_MODULE,
.read = scdrv_read,
.write = scdrv_write,
.release = scdrv_release,
};
+static struct class *snsc_class;
+
/*
* scdrv_init
*
char *devnamep;
struct sysctl_data_s *scd;
void *salbuf;
- struct class_simple *snsc_class;
dev_t first_dev, dev;
+ nasid_t event_nasid;
- if (alloc_chrdev_region(&first_dev, 0, numionodes,
+ if (!ia64_platform_is("sn2"))
+ return -ENODEV;
+
+ event_nasid = ia64_sn_get_console_nasid();
+
+ if (alloc_chrdev_region(&first_dev, 0, num_cnodes,
SYSCTL_BASENAME) < 0) {
printk("%s: failed to register SN system controller device\n",
__FUNCTION__);
return -ENODEV;
}
- snsc_class = class_simple_create(THIS_MODULE, SYSCTL_BASENAME);
+ snsc_class = class_create(THIS_MODULE, SYSCTL_BASENAME);
- for (cnode = 0; cnode < numionodes; cnode++) {
+ for (cnode = 0; cnode < num_cnodes; cnode++) {
geoid = cnodeid_get_geoid(cnode);
devnamep = devname;
format_module_id(devnamep, geo_module(geoid),
MODULE_FORMAT_BRIEF);
devnamep = devname + strlen(devname);
- sprintf(devnamep, "#%d", geo_slab(geoid));
+ sprintf(devnamep, "^%d#%d", geo_slot(geoid),
+ geo_slab(geoid));
/* allocate sysctl device data */
- scd = kmalloc(sizeof (struct sysctl_data_s),
+ scd = kzalloc(sizeof (struct sysctl_data_s),
GFP_KERNEL);
if (!scd) {
printk("%s: failed to allocate device info"
SYSCTL_BASENAME, devname);
continue;
}
- memset(scd, 0, sizeof (struct sysctl_data_s));
/* initialize sysctl device data fields */
scd->scd_nasid = cnodeid_to_nasid(cnode);
continue;
}
- class_simple_device_add(snsc_class, dev, NULL,
+ class_device_create(snsc_class, NULL, dev, NULL,
"%s", devname);
ia64_sn_irtr_intr_enable(scd->scd_nasid,
0 /*ignored */ ,
SAL_IROUTER_INTR_RECV);
+
+ /* on the console nasid, prepare to receive
+ * system controller environmental events
+ */
+ if(scd->scd_nasid == event_nasid) {
+ scdrv_event_init(scd);
+ }
}
return 0;
}