summaryrefslogtreecommitdiffstats
path: root/drivers/s390
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/char/raw3270.c6
-rw-r--r--drivers/s390/cio/cio_inject.c2
-rw-r--r--drivers/s390/cio/device.c13
-rw-r--r--drivers/s390/cio/device_fsm.c5
-rw-r--r--drivers/s390/cio/device_ops.c8
-rw-r--r--drivers/s390/cio/qdio_main.c28
-rw-r--r--drivers/s390/crypto/zcrypt_ccamisc.c6
-rw-r--r--drivers/s390/crypto/zcrypt_ep11misc.c48
-rw-r--r--drivers/s390/net/ism_drv.c37
-rw-r--r--drivers/s390/net/qeth_core_main.c61
10 files changed, 154 insertions, 60 deletions
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 37173cb0f5f5..c57694be9bd3 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -162,7 +162,8 @@ struct raw3270_request *raw3270_request_alloc(size_t size)
/*
* Setup ccw.
*/
- rq->ccw.cda = virt_to_dma32(rq->buffer);
+ if (rq->buffer)
+ rq->ccw.cda = virt_to_dma32(rq->buffer);
rq->ccw.flags = CCW_FLAG_SLI;
return rq;
@@ -188,7 +189,8 @@ int raw3270_request_reset(struct raw3270_request *rq)
return -EBUSY;
rq->ccw.cmd_code = 0;
rq->ccw.count = 0;
- rq->ccw.cda = virt_to_dma32(rq->buffer);
+ if (rq->buffer)
+ rq->ccw.cda = virt_to_dma32(rq->buffer);
rq->ccw.flags = CCW_FLAG_SLI;
rq->rescnt = 0;
rq->rc = 0;
diff --git a/drivers/s390/cio/cio_inject.c b/drivers/s390/cio/cio_inject.c
index 8613fa937237..a2e771ebae8e 100644
--- a/drivers/s390/cio/cio_inject.c
+++ b/drivers/s390/cio/cio_inject.c
@@ -95,7 +95,7 @@ static ssize_t crw_inject_write(struct file *file, const char __user *buf,
return -EINVAL;
}
- buffer = vmemdup_user(buf, lbuf);
+ buffer = memdup_user_nul(buf, lbuf);
if (IS_ERR(buffer))
return -ENOMEM;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index f95d12345d98..920f550bc313 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -363,10 +363,8 @@ int ccw_device_set_online(struct ccw_device *cdev)
spin_lock_irq(cdev->ccwlock);
ret = ccw_device_online(cdev);
- spin_unlock_irq(cdev->ccwlock);
- if (ret == 0)
- wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
- else {
+ if (ret) {
+ spin_unlock_irq(cdev->ccwlock);
CIO_MSG_EVENT(0, "ccw_device_online returned %d, "
"device 0.%x.%04x\n",
ret, cdev->private->dev_id.ssid,
@@ -375,7 +373,12 @@ int ccw_device_set_online(struct ccw_device *cdev)
put_device(&cdev->dev);
return ret;
}
- spin_lock_irq(cdev->ccwlock);
+ /* Wait until a final state is reached */
+ while (!dev_fsm_final_state(cdev)) {
+ spin_unlock_irq(cdev->ccwlock);
+ wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
+ spin_lock_irq(cdev->ccwlock);
+ }
/* Check if online processing was successful */
if ((cdev->private->state != DEV_STATE_ONLINE) &&
(cdev->private->state != DEV_STATE_W4SENSE)) {
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 65d8b2cfd626..42791fa0b80e 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -504,6 +504,11 @@ callback:
ccw_device_done(cdev, DEV_STATE_ONLINE);
/* Deliver fake irb to device driver, if needed. */
if (cdev->private->flags.fake_irb) {
+ CIO_MSG_EVENT(2, "fakeirb: deliver device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno,
+ cdev->private->intparm,
+ cdev->private->flags.fake_irb);
create_fake_irb(&cdev->private->dma_area->irb,
cdev->private->flags.fake_irb);
cdev->private->flags.fake_irb = 0;
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 40c97f873075..acd6790dba4d 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -208,6 +208,10 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_CMD_IRB;
cdev->private->intparm = intparm;
+ CIO_MSG_EVENT(2, "fakeirb: queue device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, intparm,
+ cdev->private->flags.fake_irb);
return 0;
} else
/* There's already a fake I/O around. */
@@ -551,6 +555,10 @@ int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_TM_IRB;
cdev->private->intparm = intparm;
+ CIO_MSG_EVENT(2, "fakeirb: queue device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, intparm,
+ cdev->private->flags.fake_irb);
return 0;
} else
/* There's already a fake I/O around. */
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 3d9f0834c78b..a1cb39f4b7a2 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -722,8 +722,8 @@ static void qdio_handle_activate_check(struct qdio_irq *irq_ptr,
lgr_info_log();
}
-static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
- int dstat)
+static int qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
+ int dstat, int dcc)
{
DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qest irq");
@@ -731,15 +731,18 @@ static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
goto error;
if (dstat & ~(DEV_STAT_DEV_END | DEV_STAT_CHN_END))
goto error;
+ if (dcc == 1)
+ return -EAGAIN;
if (!(dstat & DEV_STAT_DEV_END))
goto error;
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ESTABLISHED);
- return;
+ return 0;
error:
DBF_ERROR("%4x EQ:error", irq_ptr->schid.sch_no);
DBF_ERROR("ds: %2x cs:%2x", dstat, cstat);
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+ return -EIO;
}
/* qdio interrupt handler */
@@ -748,7 +751,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
struct subchannel_id schid;
- int cstat, dstat;
+ int cstat, dstat, rc, dcc;
if (!intparm || !irq_ptr) {
ccw_device_get_schid(cdev, &schid);
@@ -768,10 +771,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
qdio_irq_check_sense(irq_ptr, irb);
cstat = irb->scsw.cmd.cstat;
dstat = irb->scsw.cmd.dstat;
+ dcc = scsw_cmd_is_valid_cc(&irb->scsw) ? irb->scsw.cmd.cc : 0;
+ rc = 0;
switch (irq_ptr->state) {
case QDIO_IRQ_STATE_INACTIVE:
- qdio_establish_handle_irq(irq_ptr, cstat, dstat);
+ rc = qdio_establish_handle_irq(irq_ptr, cstat, dstat, dcc);
break;
case QDIO_IRQ_STATE_CLEANUP:
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
@@ -785,12 +790,25 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
if (cstat || dstat)
qdio_handle_activate_check(irq_ptr, intparm, cstat,
dstat);
+ else if (dcc == 1)
+ rc = -EAGAIN;
break;
case QDIO_IRQ_STATE_STOPPED:
break;
default:
WARN_ON_ONCE(1);
}
+
+ if (rc == -EAGAIN) {
+ DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qint retry");
+ rc = ccw_device_start(cdev, irq_ptr->ccw, intparm, 0, 0);
+ if (!rc)
+ return;
+ DBF_ERROR("%4x RETRY ERR", irq_ptr->schid.sch_no);
+ DBF_ERROR("rc:%4x", rc);
+ qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+ }
+
wake_up(&cdev->private->wait_q);
}
diff --git a/drivers/s390/crypto/zcrypt_ccamisc.c b/drivers/s390/crypto/zcrypt_ccamisc.c
index 0a3a678ffc7e..6087547328ce 100644
--- a/drivers/s390/crypto/zcrypt_ccamisc.c
+++ b/drivers/s390/crypto/zcrypt_ccamisc.c
@@ -658,7 +658,7 @@ int cca_sec2protkey(u16 cardnr, u16 domain,
(int)prepcblk->ccp_rtcode,
(int)prepcblk->ccp_rscode);
if (prepcblk->ccp_rtcode == 8 && prepcblk->ccp_rscode == 2290)
- rc = -EAGAIN;
+ rc = -EBUSY;
else
rc = -EIO;
goto out;
@@ -1263,7 +1263,7 @@ int cca_cipher2protkey(u16 cardnr, u16 domain, const u8 *ckey,
(int)prepcblk->ccp_rtcode,
(int)prepcblk->ccp_rscode);
if (prepcblk->ccp_rtcode == 8 && prepcblk->ccp_rscode == 2290)
- rc = -EAGAIN;
+ rc = -EBUSY;
else
rc = -EIO;
goto out;
@@ -1426,7 +1426,7 @@ int cca_ecc2protkey(u16 cardnr, u16 domain, const u8 *key,
(int)prepcblk->ccp_rtcode,
(int)prepcblk->ccp_rscode);
if (prepcblk->ccp_rtcode == 8 && prepcblk->ccp_rscode == 2290)
- rc = -EAGAIN;
+ rc = -EBUSY;
else
rc = -EIO;
goto out;
diff --git a/drivers/s390/crypto/zcrypt_ep11misc.c b/drivers/s390/crypto/zcrypt_ep11misc.c
index eb7f5489ccf9..9bcf8fc69ebe 100644
--- a/drivers/s390/crypto/zcrypt_ep11misc.c
+++ b/drivers/s390/crypto/zcrypt_ep11misc.c
@@ -556,13 +556,29 @@ static int check_reply_pl(const u8 *pl, const char *func)
pl += 2;
ret = *((u32 *)pl);
if (ret != 0) {
- ZCRYPT_DBF_ERR("%s return value 0x%04x != 0\n", func, ret);
+ ZCRYPT_DBF_ERR("%s return value 0x%08x != 0\n", func, ret);
return -EIO;
}
return 0;
}
+/* Check ep11 reply cprb, return 0 or suggested errno value. */
+static int check_reply_cprb(const struct ep11_cprb *rep, const char *func)
+{
+ /* check ep11 reply return code field */
+ if (rep->ret_code) {
+ ZCRYPT_DBF_ERR("%s ep11 reply ret_code=0x%08x\n", __func__,
+ rep->ret_code);
+ if (rep->ret_code == 0x000c0003)
+ return -EBUSY;
+ else
+ return -EIO;
+ }
+
+ return 0;
+}
+
/*
* Helper function which does an ep11 query with given query type.
*/
@@ -627,6 +643,12 @@ static int ep11_query_info(u16 cardnr, u16 domain, u32 query_type,
goto out;
}
+ /* check ep11 reply cprb */
+ rc = check_reply_cprb(rep, __func__);
+ if (rc)
+ goto out;
+
+ /* check payload */
rc = check_reply_pl((u8 *)rep_pl, __func__);
if (rc)
goto out;
@@ -877,6 +899,12 @@ static int _ep11_genaeskey(u16 card, u16 domain,
goto out;
}
+ /* check ep11 reply cprb */
+ rc = check_reply_cprb(rep, __func__);
+ if (rc)
+ goto out;
+
+ /* check payload */
rc = check_reply_pl((u8 *)rep_pl, __func__);
if (rc)
goto out;
@@ -1028,6 +1056,12 @@ static int ep11_cryptsingle(u16 card, u16 domain,
goto out;
}
+ /* check ep11 reply cprb */
+ rc = check_reply_cprb(rep, __func__);
+ if (rc)
+ goto out;
+
+ /* check payload */
rc = check_reply_pl((u8 *)rep_pl, __func__);
if (rc)
goto out;
@@ -1185,6 +1219,12 @@ static int _ep11_unwrapkey(u16 card, u16 domain,
goto out;
}
+ /* check ep11 reply cprb */
+ rc = check_reply_cprb(rep, __func__);
+ if (rc)
+ goto out;
+
+ /* check payload */
rc = check_reply_pl((u8 *)rep_pl, __func__);
if (rc)
goto out;
@@ -1339,6 +1379,12 @@ static int _ep11_wrapkey(u16 card, u16 domain,
goto out;
}
+ /* check ep11 reply cprb */
+ rc = check_reply_cprb(rep, __func__);
+ if (rc)
+ goto out;
+
+ /* check payload */
rc = check_reply_pl((u8 *)rep_pl, __func__);
if (rc)
goto out;
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 2c8e964425dc..43778b088ffa 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -292,13 +292,16 @@ out:
static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
clear_bit(dmb->sba_idx, ism->sba_bitmap);
- dma_free_coherent(&ism->pdev->dev, dmb->dmb_len,
- dmb->cpu_addr, dmb->dma_addr);
+ dma_unmap_page(&ism->pdev->dev, dmb->dma_addr, dmb->dmb_len,
+ DMA_FROM_DEVICE);
+ folio_put(virt_to_folio(dmb->cpu_addr));
}
static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
+ struct folio *folio;
unsigned long bit;
+ int rc;
if (PAGE_ALIGN(dmb->dmb_len) > dma_get_max_seg_size(&ism->pdev->dev))
return -EINVAL;
@@ -315,14 +318,30 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
test_and_set_bit(dmb->sba_idx, ism->sba_bitmap))
return -EINVAL;
- dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
- &dmb->dma_addr,
- GFP_KERNEL | __GFP_NOWARN |
- __GFP_NOMEMALLOC | __GFP_NORETRY);
- if (!dmb->cpu_addr)
- clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ folio = folio_alloc(GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC |
+ __GFP_NORETRY, get_order(dmb->dmb_len));
- return dmb->cpu_addr ? 0 : -ENOMEM;
+ if (!folio) {
+ rc = -ENOMEM;
+ goto out_bit;
+ }
+
+ dmb->cpu_addr = folio_address(folio);
+ dmb->dma_addr = dma_map_page(&ism->pdev->dev,
+ virt_to_page(dmb->cpu_addr), 0,
+ dmb->dmb_len, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&ism->pdev->dev, dmb->dma_addr)) {
+ rc = -ENOMEM;
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+ kfree(dmb->cpu_addr);
+out_bit:
+ clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ return rc;
}
int ism_register_dmb(struct ism_dev *ism, struct ism_dmb *dmb,
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index f0b8b709649f..a3adaec5504e 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -364,30 +364,33 @@ out:
return rc;
}
+static void qeth_free_cq(struct qeth_card *card)
+{
+ if (card->qdio.c_q) {
+ qeth_free_qdio_queue(card->qdio.c_q);
+ card->qdio.c_q = NULL;
+ }
+}
+
static int qeth_alloc_cq(struct qeth_card *card)
{
if (card->options.cq == QETH_CQ_ENABLED) {
QETH_CARD_TEXT(card, 2, "cqon");
- card->qdio.c_q = qeth_alloc_qdio_queue();
if (!card->qdio.c_q) {
- dev_err(&card->gdev->dev, "Failed to create completion queue\n");
- return -ENOMEM;
+ card->qdio.c_q = qeth_alloc_qdio_queue();
+ if (!card->qdio.c_q) {
+ dev_err(&card->gdev->dev,
+ "Failed to create completion queue\n");
+ return -ENOMEM;
+ }
}
} else {
QETH_CARD_TEXT(card, 2, "nocq");
- card->qdio.c_q = NULL;
+ qeth_free_cq(card);
}
return 0;
}
-static void qeth_free_cq(struct qeth_card *card)
-{
- if (card->qdio.c_q) {
- qeth_free_qdio_queue(card->qdio.c_q);
- card->qdio.c_q = NULL;
- }
-}
-
static enum iucv_tx_notify qeth_compute_cq_notification(int sbalf15,
int delayed)
{
@@ -2628,6 +2631,10 @@ static int qeth_alloc_qdio_queues(struct qeth_card *card)
QETH_CARD_TEXT(card, 2, "allcqdbf");
+ /* completion */
+ if (qeth_alloc_cq(card))
+ goto out_err;
+
if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED) != QETH_QDIO_UNINITIALIZED)
return 0;
@@ -2663,10 +2670,6 @@ static int qeth_alloc_qdio_queues(struct qeth_card *card)
queue->priority = QETH_QIB_PQUE_PRIO_DEFAULT;
}
- /* completion */
- if (qeth_alloc_cq(card))
- goto out_freeoutq;
-
return 0;
out_freeoutq:
@@ -2677,6 +2680,8 @@ out_freeoutq:
qeth_free_buffer_pool(card);
out_buffer_pool:
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
+ qeth_free_cq(card);
+out_err:
return -ENOMEM;
}
@@ -2684,11 +2689,12 @@ static void qeth_free_qdio_queues(struct qeth_card *card)
{
int i, j;
+ qeth_free_cq(card);
+
if (atomic_xchg(&card->qdio.state, QETH_QDIO_UNINITIALIZED) ==
QETH_QDIO_UNINITIALIZED)
return;
- qeth_free_cq(card);
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) {
if (card->qdio.in_q->bufs[j].rx_skb) {
consume_skb(card->qdio.in_q->bufs[j].rx_skb);
@@ -3742,24 +3748,11 @@ static void qeth_qdio_poll(struct ccw_device *cdev, unsigned long card_ptr)
int qeth_configure_cq(struct qeth_card *card, enum qeth_cq cq)
{
- int rc;
-
- if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
- rc = -1;
- goto out;
- } else {
- if (card->options.cq == cq) {
- rc = 0;
- goto out;
- }
-
- qeth_free_qdio_queues(card);
- card->options.cq = cq;
- rc = 0;
- }
-out:
- return rc;
+ if (card->options.cq == QETH_CQ_NOTAVAILABLE)
+ return -1;
+ card->options.cq = cq;
+ return 0;
}
EXPORT_SYMBOL_GPL(qeth_configure_cq);
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-19 10:13:21 +0100