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path: root/drivers/s390/char
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Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/con3270.c38
-rw-r--r--drivers/s390/char/tape_34xx.c2
-rw-r--r--drivers/s390/char/tape_3590.c2
-rw-r--r--drivers/s390/char/tape_block.c26
-rw-r--r--drivers/s390/char/tty3270.c57
5 files changed, 42 insertions, 83 deletions
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index d028d2ee83dd..ed5396dae58e 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -64,7 +64,7 @@ static struct con3270 *condev;
#define CON_UPDATE_ERASE 1 /* Use EWRITEA instead of WRITE. */
#define CON_UPDATE_LIST 2 /* Update lines in tty3270->update. */
#define CON_UPDATE_STATUS 4 /* Update status line. */
-#define CON_UPDATE_ALL 7
+#define CON_UPDATE_ALL 8 /* Recreate screen. */
static void con3270_update(struct con3270 *);
@@ -73,18 +73,10 @@ static void con3270_update(struct con3270 *);
*/
static void con3270_set_timer(struct con3270 *cp, int expires)
{
- if (expires == 0) {
- if (timer_pending(&cp->timer))
- del_timer(&cp->timer);
- return;
- }
- if (timer_pending(&cp->timer) &&
- mod_timer(&cp->timer, jiffies + expires))
- return;
- cp->timer.function = (void (*)(unsigned long)) con3270_update;
- cp->timer.data = (unsigned long) cp;
- cp->timer.expires = jiffies + expires;
- add_timer(&cp->timer);
+ if (expires == 0)
+ del_timer(&cp->timer);
+ else
+ mod_timer(&cp->timer, jiffies + expires);
}
/*
@@ -225,6 +217,12 @@ con3270_update(struct con3270 *cp)
spin_lock_irqsave(&cp->view.lock, flags);
updated = 0;
+ if (cp->update_flags & CON_UPDATE_ALL) {
+ con3270_rebuild_update(cp);
+ con3270_update_status(cp);
+ cp->update_flags = CON_UPDATE_ERASE | CON_UPDATE_LIST |
+ CON_UPDATE_STATUS;
+ }
if (cp->update_flags & CON_UPDATE_ERASE) {
/* Use erase write alternate to initialize display. */
raw3270_request_set_cmd(wrq, TC_EWRITEA);
@@ -302,7 +300,6 @@ con3270_read_tasklet(struct raw3270_request *rrq)
deactivate = 1;
break;
case 0x6d: /* clear: start from scratch. */
- con3270_rebuild_update(cp);
cp->update_flags = CON_UPDATE_ALL;
con3270_set_timer(cp, 1);
break;
@@ -382,30 +379,21 @@ con3270_issue_read(struct con3270 *cp)
static int
con3270_activate(struct raw3270_view *view)
{
- unsigned long flags;
struct con3270 *cp;
cp = (struct con3270 *) view;
- spin_lock_irqsave(&cp->view.lock, flags);
- cp->nr_up = 0;
- con3270_rebuild_update(cp);
- con3270_update_status(cp);
cp->update_flags = CON_UPDATE_ALL;
con3270_set_timer(cp, 1);
- spin_unlock_irqrestore(&cp->view.lock, flags);
return 0;
}
static void
con3270_deactivate(struct raw3270_view *view)
{
- unsigned long flags;
struct con3270 *cp;
cp = (struct con3270 *) view;
- spin_lock_irqsave(&cp->view.lock, flags);
del_timer(&cp->timer);
- spin_unlock_irqrestore(&cp->view.lock, flags);
}
static int
@@ -504,6 +492,7 @@ con3270_write(struct console *co, const char *str, unsigned int count)
con3270_cline_end(cp);
}
/* Setup timer to output current console buffer after 1/10 second */
+ cp->nr_up = 0;
if (cp->view.dev && !timer_pending(&cp->timer))
con3270_set_timer(cp, HZ/10);
spin_unlock_irqrestore(&cp->view.lock,flags);
@@ -624,7 +613,8 @@ con3270_init(void)
INIT_LIST_HEAD(&condev->lines);
INIT_LIST_HEAD(&condev->update);
- init_timer(&condev->timer);
+ setup_timer(&condev->timer, (void (*)(unsigned long)) con3270_update,
+ (unsigned long) condev);
tasklet_init(&condev->readlet,
(void (*)(unsigned long)) con3270_read_tasklet,
(unsigned long) condev->read);
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 5f8e8ef43dd3..2d00a383a475 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -1134,7 +1134,7 @@ tape_34xx_bread(struct tape_device *device, struct request *req)
/* Setup ccws. */
request->op = TO_BLOCK;
start_block = (struct tape_34xx_block_id *) request->cpdata;
- start_block->block = req->sector >> TAPEBLOCK_HSEC_S2B;
+ start_block->block = blk_rq_pos(req) >> TAPEBLOCK_HSEC_S2B;
DBF_EVENT(6, "start_block = %i\n", start_block->block);
ccw = request->cpaddr;
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 823b05bd0dd7..c453b2f3e9f4 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -633,7 +633,7 @@ tape_3590_bread(struct tape_device *device, struct request *req)
struct req_iterator iter;
DBF_EVENT(6, "xBREDid:");
- start_block = req->sector >> TAPEBLOCK_HSEC_S2B;
+ start_block = blk_rq_pos(req) >> TAPEBLOCK_HSEC_S2B;
DBF_EVENT(6, "start_block = %i\n", start_block);
rq_for_each_segment(bv, req, iter)
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index f32e89e7c4f2..47ff695255ea 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -74,13 +74,6 @@ tapeblock_trigger_requeue(struct tape_device *device)
* Post finished request.
*/
static void
-tapeblock_end_request(struct request *req, int error)
-{
- if (blk_end_request(req, error, blk_rq_bytes(req)))
- BUG();
-}
-
-static void
__tapeblock_end_request(struct tape_request *ccw_req, void *data)
{
struct tape_device *device;
@@ -90,17 +83,17 @@ __tapeblock_end_request(struct tape_request *ccw_req, void *data)
device = ccw_req->device;
req = (struct request *) data;
- tapeblock_end_request(req, (ccw_req->rc == 0) ? 0 : -EIO);
+ blk_end_request_all(req, (ccw_req->rc == 0) ? 0 : -EIO);
if (ccw_req->rc == 0)
/* Update position. */
device->blk_data.block_position =
- (req->sector + req->nr_sectors) >> TAPEBLOCK_HSEC_S2B;
+ (blk_rq_pos(req) + blk_rq_sectors(req)) >> TAPEBLOCK_HSEC_S2B;
else
/* We lost the position information due to an error. */
device->blk_data.block_position = -1;
device->discipline->free_bread(ccw_req);
if (!list_empty(&device->req_queue) ||
- elv_next_request(device->blk_data.request_queue))
+ blk_peek_request(device->blk_data.request_queue))
tapeblock_trigger_requeue(device);
}
@@ -118,7 +111,7 @@ tapeblock_start_request(struct tape_device *device, struct request *req)
ccw_req = device->discipline->bread(device, req);
if (IS_ERR(ccw_req)) {
DBF_EVENT(1, "TBLOCK: bread failed\n");
- tapeblock_end_request(req, -EIO);
+ blk_end_request_all(req, -EIO);
return PTR_ERR(ccw_req);
}
ccw_req->callback = __tapeblock_end_request;
@@ -131,7 +124,7 @@ tapeblock_start_request(struct tape_device *device, struct request *req)
* Start/enqueueing failed. No retries in
* this case.
*/
- tapeblock_end_request(req, -EIO);
+ blk_end_request_all(req, -EIO);
device->discipline->free_bread(ccw_req);
}
@@ -169,19 +162,16 @@ tapeblock_requeue(struct work_struct *work) {
spin_lock_irq(&device->blk_data.request_queue_lock);
while (
!blk_queue_plugged(queue) &&
- elv_next_request(queue) &&
+ (req = blk_fetch_request(queue)) &&
nr_queued < TAPEBLOCK_MIN_REQUEUE
) {
- req = elv_next_request(queue);
if (rq_data_dir(req) == WRITE) {
DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
- blkdev_dequeue_request(req);
spin_unlock_irq(&device->blk_data.request_queue_lock);
- tapeblock_end_request(req, -EIO);
+ blk_end_request_all(req, -EIO);
spin_lock_irq(&device->blk_data.request_queue_lock);
continue;
}
- blkdev_dequeue_request(req);
nr_queued++;
spin_unlock_irq(&device->blk_data.request_queue_lock);
rc = tapeblock_start_request(device, req);
@@ -232,7 +222,7 @@ tapeblock_setup_device(struct tape_device * device)
if (rc)
goto cleanup_queue;
- blk_queue_hardsect_size(blkdat->request_queue, TAPEBLOCK_HSEC_SIZE);
+ blk_queue_logical_block_size(blkdat->request_queue, TAPEBLOCK_HSEC_SIZE);
blk_queue_max_sectors(blkdat->request_queue, TAPEBLOCK_MAX_SEC);
blk_queue_max_phys_segments(blkdat->request_queue, -1L);
blk_queue_max_hw_segments(blkdat->request_queue, -1L);
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index a7fe6302c982..38385677c653 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -112,7 +112,7 @@ struct tty3270 {
#define TTY_UPDATE_LIST 2 /* Update lines in tty3270->update. */
#define TTY_UPDATE_INPUT 4 /* Update input line. */
#define TTY_UPDATE_STATUS 8 /* Update status line. */
-#define TTY_UPDATE_ALL 15
+#define TTY_UPDATE_ALL 16 /* Recreate screen. */
static void tty3270_update(struct tty3270 *);
@@ -121,19 +121,10 @@ static void tty3270_update(struct tty3270 *);
*/
static void tty3270_set_timer(struct tty3270 *tp, int expires)
{
- if (expires == 0) {
- if (timer_pending(&tp->timer) && del_timer(&tp->timer))
- raw3270_put_view(&tp->view);
- return;
- }
- if (timer_pending(&tp->timer) &&
- mod_timer(&tp->timer, jiffies + expires))
- return;
- raw3270_get_view(&tp->view);
- tp->timer.function = (void (*)(unsigned long)) tty3270_update;
- tp->timer.data = (unsigned long) tp;
- tp->timer.expires = jiffies + expires;
- add_timer(&tp->timer);
+ if (expires == 0)
+ del_timer(&tp->timer);
+ else
+ mod_timer(&tp->timer, jiffies + expires);
}
/*
@@ -337,7 +328,6 @@ tty3270_write_callback(struct raw3270_request *rq, void *data)
tp = (struct tty3270 *) rq->view;
if (rq->rc != 0) {
/* Write wasn't successfull. Refresh all. */
- tty3270_rebuild_update(tp);
tp->update_flags = TTY_UPDATE_ALL;
tty3270_set_timer(tp, 1);
}
@@ -366,6 +356,12 @@ tty3270_update(struct tty3270 *tp)
spin_lock(&tp->view.lock);
updated = 0;
+ if (tp->update_flags & TTY_UPDATE_ALL) {
+ tty3270_rebuild_update(tp);
+ tty3270_update_status(tp);
+ tp->update_flags = TTY_UPDATE_ERASE | TTY_UPDATE_LIST |
+ TTY_UPDATE_INPUT | TTY_UPDATE_STATUS;
+ }
if (tp->update_flags & TTY_UPDATE_ERASE) {
/* Use erase write alternate to erase display. */
raw3270_request_set_cmd(wrq, TC_EWRITEA);
@@ -425,7 +421,6 @@ tty3270_update(struct tty3270 *tp)
xchg(&tp->write, wrq);
}
spin_unlock(&tp->view.lock);
- raw3270_put_view(&tp->view);
}
/*
@@ -570,7 +565,6 @@ tty3270_read_tasklet(struct raw3270_request *rrq)
tty3270_set_timer(tp, 1);
} else if (tp->input->string[0] == 0x6d) {
/* Display has been cleared. Redraw. */
- tty3270_rebuild_update(tp);
tp->update_flags = TTY_UPDATE_ALL;
tty3270_set_timer(tp, 1);
}
@@ -641,22 +635,20 @@ static int
tty3270_activate(struct raw3270_view *view)
{
struct tty3270 *tp;
- unsigned long flags;
tp = (struct tty3270 *) view;
- spin_lock_irqsave(&tp->view.lock, flags);
- tp->nr_up = 0;
- tty3270_rebuild_update(tp);
- tty3270_update_status(tp);
tp->update_flags = TTY_UPDATE_ALL;
tty3270_set_timer(tp, 1);
- spin_unlock_irqrestore(&tp->view.lock, flags);
return 0;
}
static void
tty3270_deactivate(struct raw3270_view *view)
{
+ struct tty3270 *tp;
+
+ tp = (struct tty3270 *) view;
+ del_timer(&tp->timer);
}
static int
@@ -743,6 +735,7 @@ tty3270_free_view(struct tty3270 *tp)
{
int pages;
+ del_timer_sync(&tp->timer);
kbd_free(tp->kbd);
raw3270_request_free(tp->kreset);
raw3270_request_free(tp->read);
@@ -889,7 +882,8 @@ tty3270_open(struct tty_struct *tty, struct file * filp)
INIT_LIST_HEAD(&tp->update);
INIT_LIST_HEAD(&tp->rcl_lines);
tp->rcl_max = 20;
- init_timer(&tp->timer);
+ setup_timer(&tp->timer, (void (*)(unsigned long)) tty3270_update,
+ (unsigned long) tp);
tasklet_init(&tp->readlet,
(void (*)(unsigned long)) tty3270_read_tasklet,
(unsigned long) tp->read);
@@ -1754,14 +1748,6 @@ static const struct tty_operations tty3270_ops = {
.set_termios = tty3270_set_termios
};
-static void tty3270_notifier(int index, int active)
-{
- if (active)
- tty_register_device(tty3270_driver, index, NULL);
- else
- tty_unregister_device(tty3270_driver, index);
-}
-
/*
* 3270 tty registration code called from tty_init().
* Most kernel services (incl. kmalloc) are available at this poimt.
@@ -1796,12 +1782,6 @@ static int __init tty3270_init(void)
return ret;
}
tty3270_driver = driver;
- ret = raw3270_register_notifier(tty3270_notifier);
- if (ret) {
- put_tty_driver(driver);
- return ret;
-
- }
return 0;
}
@@ -1810,7 +1790,6 @@ tty3270_exit(void)
{
struct tty_driver *driver;
- raw3270_unregister_notifier(tty3270_notifier);
driver = tty3270_driver;
tty3270_driver = NULL;
tty_unregister_driver(driver);
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-08 12:32:40 +0000