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path: root/drivers/s390/net/qeth_core_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_core_main.c')
-rw-r--r--drivers/s390/net/qeth_core_main.c132
1 files changed, 46 insertions, 86 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index e95cfc654ff8..671754a0e591 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1004,7 +1004,7 @@ static int qeth_get_problem(struct qeth_card *card, struct ccw_device *cdev,
}
static int qeth_check_irb_error(struct qeth_card *card, struct ccw_device *cdev,
- unsigned long intparm, struct irb *irb)
+ struct irb *irb)
{
if (!IS_ERR(irb))
return 0;
@@ -1021,12 +1021,6 @@ static int qeth_check_irb_error(struct qeth_card *card, struct ccw_device *cdev,
" on the device\n");
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT);
- if (intparm == QETH_RCD_PARM) {
- if (card->data.ccwdev == cdev) {
- card->data.state = CH_STATE_DOWN;
- wake_up(&card->wait_q);
- }
- }
return -ETIMEDOUT;
default:
QETH_DBF_MESSAGE(2, "unknown error %ld on channel %x\n",
@@ -1069,7 +1063,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
if (qeth_intparm_is_iob(intparm))
iob = (struct qeth_cmd_buffer *) __va((addr_t)intparm);
- rc = qeth_check_irb_error(card, cdev, intparm, irb);
+ rc = qeth_check_irb_error(card, cdev, irb);
if (rc) {
/* IO was terminated, free its resources. */
if (iob)
@@ -1087,11 +1081,6 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC))
channel->state = CH_STATE_HALTED;
- /*let's wake up immediately on data channel*/
- if ((channel == &card->data) && (intparm != 0) &&
- (intparm != QETH_RCD_PARM))
- goto out;
-
if (intparm == QETH_CLEAR_CHANNEL_PARM) {
QETH_CARD_TEXT(card, 6, "clrchpar");
/* we don't have to handle this further */
@@ -1121,10 +1110,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
print_hex_dump(KERN_WARNING, "qeth: sense data ",
DUMP_PREFIX_OFFSET, 16, 1, irb->ecw, 32, 1);
}
- if (intparm == QETH_RCD_PARM) {
- channel->state = CH_STATE_DOWN;
- goto out;
- }
+
rc = qeth_get_problem(card, cdev, irb);
if (rc) {
card->read_or_write_problem = 1;
@@ -1136,13 +1122,6 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
}
}
- if (intparm == QETH_RCD_PARM) {
- channel->state = CH_STATE_RCD_DONE;
- goto out;
- }
- if (channel == &card->data)
- return;
-
if (iob && iob->callback)
iob->callback(card, iob);
@@ -1606,62 +1585,6 @@ int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
}
EXPORT_SYMBOL_GPL(qeth_qdio_clear_card);
-static int qeth_read_conf_data(struct qeth_card *card, void **buffer,
- int *length)
-{
- struct ciw *ciw;
- char *rcd_buf;
- int ret;
- struct qeth_channel *channel = &card->data;
-
- /*
- * scan for RCD command in extended SenseID data
- */
- ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
- if (!ciw || ciw->cmd == 0)
- return -EOPNOTSUPP;
- rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
- if (!rcd_buf)
- return -ENOMEM;
-
- qeth_setup_ccw(channel->ccw, ciw->cmd, 0, ciw->count, rcd_buf);
- channel->state = CH_STATE_RCD;
- spin_lock_irq(get_ccwdev_lock(channel->ccwdev));
- ret = ccw_device_start_timeout(channel->ccwdev, channel->ccw,
- QETH_RCD_PARM, LPM_ANYPATH, 0,
- QETH_RCD_TIMEOUT);
- spin_unlock_irq(get_ccwdev_lock(channel->ccwdev));
- if (!ret)
- wait_event(card->wait_q,
- (channel->state == CH_STATE_RCD_DONE ||
- channel->state == CH_STATE_DOWN));
- if (channel->state == CH_STATE_DOWN)
- ret = -EIO;
- else
- channel->state = CH_STATE_DOWN;
- if (ret) {
- kfree(rcd_buf);
- *buffer = NULL;
- *length = 0;
- } else {
- *length = ciw->count;
- *buffer = rcd_buf;
- }
- return ret;
-}
-
-static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd)
-{
- QETH_CARD_TEXT(card, 2, "cfgunit");
- card->info.chpid = prcd[30];
- card->info.unit_addr2 = prcd[31];
- card->info.cula = prcd[63];
- card->info.is_vm_nic = ((prcd[0x10] == _ascebc['V']) &&
- (prcd[0x11] == _ascebc['M']));
- card->info.use_v1_blkt = prcd[74] == 0xF0 && prcd[75] == 0xF0 &&
- prcd[76] >= 0xF1 && prcd[76] <= 0xF4;
-}
-
static enum qeth_discipline_id qeth_vm_detect_layer(struct qeth_card *card)
{
enum qeth_discipline_id disc = QETH_DISCIPLINE_UNDETERMINED;
@@ -1888,7 +1811,8 @@ static int qeth_send_control_data(struct qeth_card *card, int len,
return (timeout == -ERESTARTSYS) ? -EINTR : -ETIME;
}
- iob->finalize(card, iob, len);
+ if (iob->finalize)
+ iob->finalize(card, iob, len);
QETH_DBF_HEX(CTRL, 2, iob->data, min(len, QETH_DBF_CTRL_LEN));
qeth_enqueue_reply(card, reply);
@@ -1922,6 +1846,46 @@ static int qeth_send_control_data(struct qeth_card *card, int len,
return rc;
}
+static void qeth_read_conf_data_cb(struct qeth_card *card,
+ struct qeth_cmd_buffer *iob)
+{
+ unsigned char *prcd = iob->data;
+
+ QETH_CARD_TEXT(card, 2, "cfgunit");
+ card->info.chpid = prcd[30];
+ card->info.unit_addr2 = prcd[31];
+ card->info.cula = prcd[63];
+ card->info.is_vm_nic = ((prcd[0x10] == _ascebc['V']) &&
+ (prcd[0x11] == _ascebc['M']));
+ card->info.use_v1_blkt = prcd[74] == 0xF0 && prcd[75] == 0xF0 &&
+ prcd[76] >= 0xF1 && prcd[76] <= 0xF4;
+
+ qeth_notify_reply(iob->reply, 0);
+ qeth_release_buffer(iob);
+}
+
+static int qeth_read_conf_data(struct qeth_card *card)
+{
+ struct qeth_channel *channel = &card->data;
+ struct qeth_cmd_buffer *iob;
+ struct ciw *ciw;
+
+ /* scan for RCD command in extended SenseID data */
+ ciw = ccw_device_get_ciw(channel->ccwdev, CIW_TYPE_RCD);
+ if (!ciw || ciw->cmd == 0)
+ return -EOPNOTSUPP;
+
+ iob = qeth_alloc_cmd(channel, ciw->count, 1, QETH_RCD_TIMEOUT);
+ if (!iob)
+ return -ENOMEM;
+
+ iob->callback = qeth_read_conf_data_cb;
+ qeth_setup_ccw(__ccw_from_cmd(iob), ciw->cmd, 0, iob->length,
+ iob->data);
+
+ return qeth_send_control_data(card, iob->length, iob, NULL, NULL);
+}
+
static int qeth_idx_check_activate_response(struct qeth_card *card,
struct qeth_channel *channel,
struct qeth_cmd_buffer *iob)
@@ -4772,8 +4736,6 @@ EXPORT_SYMBOL_GPL(qeth_vm_request_mac);
static void qeth_determine_capabilities(struct qeth_card *card)
{
int rc;
- int length;
- char *prcd;
struct ccw_device *ddev;
int ddev_offline = 0;
@@ -4788,15 +4750,13 @@ static void qeth_determine_capabilities(struct qeth_card *card)
}
}
- rc = qeth_read_conf_data(card, (void **) &prcd, &length);
+ rc = qeth_read_conf_data(card);
if (rc) {
QETH_DBF_MESSAGE(2, "qeth_read_conf_data on device %x returned %i\n",
CARD_DEVID(card), rc);
QETH_CARD_TEXT_(card, 2, "5err%d", rc);
goto out_offline;
}
- qeth_configure_unitaddr(card, prcd);
- kfree(prcd);
rc = qdio_get_ssqd_desc(ddev, &card->ssqd);
if (rc)
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-19 04:23:49 +0200