diff options
Diffstat (limited to 'drivers/message/i2o/exec-osm.c')
| -rw-r--r-- | drivers/message/i2o/exec-osm.c | 74 |
1 files changed, 66 insertions, 8 deletions
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 5581344fbba6..0160221c802a 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -206,6 +206,7 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, u32 context) { struct i2o_exec_wait *wait, *tmp; + unsigned long flags; static spinlock_t lock = SPIN_LOCK_UNLOCKED; int rc = 1; @@ -216,11 +217,13 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, * already expired. Not much we can do about that except log it for * debug purposes, increase timeout, and recompile. */ - spin_lock(&lock); + spin_lock_irqsave(&lock, flags); list_for_each_entry_safe(wait, tmp, &i2o_exec_wait_list, list) { if (wait->tcntxt == context) { list_del(&wait->list); + spin_unlock_irqrestore(&lock, flags); + wait->m = m; wait->msg = msg; wait->complete = 1; @@ -242,13 +245,11 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, rc = -1; } - spin_unlock(&lock); - return rc; } } - spin_unlock(&lock); + spin_unlock_irqrestore(&lock, flags); osm_warn("%s: Bogus reply in POST WAIT (tr-context: %08x)!\n", c->name, context); @@ -257,6 +258,50 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, }; /** + * i2o_exec_show_vendor_id - Displays Vendor ID of controller + * @d: device of which the Vendor ID should be displayed + * @buf: buffer into which the Vendor ID should be printed + * + * Returns number of bytes printed into buffer. + */ +static ssize_t i2o_exec_show_vendor_id(struct device *d, char *buf) +{ + struct i2o_device *dev = to_i2o_device(d); + u16 id; + + if (i2o_parm_field_get(dev, 0x0000, 0, &id, 2)) { + sprintf(buf, "0x%04x", id); + return strlen(buf) + 1; + } + + return 0; +}; + +/** + * i2o_exec_show_product_id - Displays Product ID of controller + * @d: device of which the Product ID should be displayed + * @buf: buffer into which the Product ID should be printed + * + * Returns number of bytes printed into buffer. + */ +static ssize_t i2o_exec_show_product_id(struct device *d, char *buf) +{ + struct i2o_device *dev = to_i2o_device(d); + u16 id; + + if (i2o_parm_field_get(dev, 0x0000, 1, &id, 2)) { + sprintf(buf, "0x%04x", id); + return strlen(buf) + 1; + } + + return 0; +}; + +/* Exec-OSM device attributes */ +static DEVICE_ATTR(vendor_id, S_IRUGO, i2o_exec_show_vendor_id, NULL); +static DEVICE_ATTR(product_id, S_IRUGO, i2o_exec_show_product_id, NULL); + +/** * i2o_exec_probe - Called if a new I2O device (executive class) appears * @dev: I2O device which should be probed * @@ -268,10 +313,16 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, static int i2o_exec_probe(struct device *dev) { struct i2o_device *i2o_dev = to_i2o_device(dev); + struct i2o_controller *c = i2o_dev->iop; i2o_event_register(i2o_dev, &i2o_exec_driver, 0, 0xffffffff); - i2o_dev->iop->exec = i2o_dev; + c->exec = i2o_dev; + + i2o_exec_lct_notify(c, c->lct->change_ind + 1); + + device_create_file(dev, &dev_attr_vendor_id); + device_create_file(dev, &dev_attr_product_id); return 0; }; @@ -286,6 +337,9 @@ static int i2o_exec_probe(struct device *dev) */ static int i2o_exec_remove(struct device *dev) { + device_remove_file(dev, &dev_attr_product_id); + device_remove_file(dev, &dev_attr_vendor_id); + i2o_event_register(to_i2o_device(dev), &i2o_exec_driver, 0, 0); return 0; @@ -297,12 +351,16 @@ static int i2o_exec_remove(struct device *dev) * * This function handles asynchronus LCT NOTIFY replies. It parses the * new LCT and if the buffer for the LCT was to small sends a LCT NOTIFY - * again. + * again, otherwise send LCT NOTIFY to get informed on next LCT change. */ static void i2o_exec_lct_modified(struct i2o_controller *c) { - if (i2o_device_parse_lct(c) == -EAGAIN) - i2o_exec_lct_notify(c, 0); + u32 change_ind = 0; + + if (i2o_device_parse_lct(c) != -EAGAIN) + change_ind = c->lct->change_ind + 1; + + i2o_exec_lct_notify(c, change_ind); }; /** |