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-rw-r--r--drivers/s390/Makefile2
-rw-r--r--drivers/s390/block/dasd_eer.c4
-rw-r--r--drivers/s390/block/dcssblk.c11
-rw-r--r--drivers/s390/char/vmlogrdr.c4
-rw-r--r--drivers/s390/crypto/ap_bus.c7
-rw-r--r--drivers/s390/kvm/kvm_virtio.c5
-rw-r--r--drivers/s390/net/cu3088.c7
-rw-r--r--drivers/s390/net/qeth_core.h1
-rw-r--r--drivers/s390/net/qeth_core_main.c64
-rw-r--r--drivers/s390/net/qeth_l2_main.c10
-rw-r--r--drivers/s390/net/qeth_l3_main.c28
-rw-r--r--drivers/s390/s390_rdev.c51
12 files changed, 84 insertions, 110 deletions
diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
index 4f4e7cf105d4..d0eae59bc366 100644
--- a/drivers/s390/Makefile
+++ b/drivers/s390/Makefile
@@ -4,7 +4,7 @@
CFLAGS_sysinfo.o += -Iinclude/math-emu -Iarch/s390/math-emu -w
-obj-y += s390mach.o sysinfo.o s390_rdev.o
+obj-y += s390mach.o sysinfo.o
obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/
drivers-y += drivers/s390/built-in.o
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 892e2878d61b..f8e05ce98621 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -535,8 +535,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {
kfree(eerb);
MESSAGE(KERN_WARNING, "can't open device since module "
- "parameter eer_pages is smaller then 1 or"
- " bigger then %d", (int)(INT_MAX / PAGE_SIZE));
+ "parameter eer_pages is smaller than 1 or"
+ " bigger than %d", (int)(INT_MAX / PAGE_SIZE));
unlock_kernel();
return -EINVAL;
}
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 26ffc6ab441d..cfdcf1aed33c 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -18,7 +18,6 @@
#include <asm/io.h>
#include <linux/completion.h>
#include <linux/interrupt.h>
-#include <asm/s390_rdev.h>
#define DCSSBLK_NAME "dcssblk"
#define DCSSBLK_MINORS_PER_DISK 1
@@ -946,7 +945,7 @@ dcssblk_check_params(void)
static void __exit
dcssblk_exit(void)
{
- s390_root_dev_unregister(dcssblk_root_dev);
+ root_device_unregister(dcssblk_root_dev);
unregister_blkdev(dcssblk_major, DCSSBLK_NAME);
}
@@ -955,22 +954,22 @@ dcssblk_init(void)
{
int rc;
- dcssblk_root_dev = s390_root_dev_register("dcssblk");
+ dcssblk_root_dev = root_device_register("dcssblk");
if (IS_ERR(dcssblk_root_dev))
return PTR_ERR(dcssblk_root_dev);
rc = device_create_file(dcssblk_root_dev, &dev_attr_add);
if (rc) {
- s390_root_dev_unregister(dcssblk_root_dev);
+ root_device_unregister(dcssblk_root_dev);
return rc;
}
rc = device_create_file(dcssblk_root_dev, &dev_attr_remove);
if (rc) {
- s390_root_dev_unregister(dcssblk_root_dev);
+ root_device_unregister(dcssblk_root_dev);
return rc;
}
rc = register_blkdev(0, DCSSBLK_NAME);
if (rc < 0) {
- s390_root_dev_unregister(dcssblk_root_dev);
+ root_device_unregister(dcssblk_root_dev);
return rc;
}
dcssblk_major = rc;
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index aabbeb909cc6..d8a2289fcb69 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -427,7 +427,7 @@ static int vmlogrdr_receive_data(struct vmlogrdr_priv_t *priv)
buffer = priv->buffer + sizeof(int);
}
/*
- * If the record is bigger then our buffer, we receive only
+ * If the record is bigger than our buffer, we receive only
* a part of it. We can get the rest later.
*/
if (iucv_data_count > NET_BUFFER_SIZE)
@@ -437,7 +437,7 @@ static int vmlogrdr_receive_data(struct vmlogrdr_priv_t *priv)
0, buffer, iucv_data_count,
&priv->residual_length);
spin_unlock_bh(&priv->priv_lock);
- /* An rc of 5 indicates that the record was bigger then
+ /* An rc of 5 indicates that the record was bigger than
* the buffer, which is OK for us. A 9 indicates that the
* record was purged befor we could receive it.
*/
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 1f5f5d2d87d9..9c148406b980 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -36,7 +36,6 @@
#include <linux/notifier.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
-#include <asm/s390_rdev.h>
#include <asm/reset.h>
#include <asm/airq.h>
#include <asm/atomic.h>
@@ -1522,7 +1521,7 @@ int __init ap_module_init(void)
}
/* Create /sys/devices/ap. */
- ap_root_device = s390_root_dev_register("ap");
+ ap_root_device = root_device_register("ap");
rc = IS_ERR(ap_root_device) ? PTR_ERR(ap_root_device) : 0;
if (rc)
goto out_bus;
@@ -1565,7 +1564,7 @@ out_work:
hrtimer_cancel(&ap_poll_timer);
destroy_workqueue(ap_work_queue);
out_root:
- s390_root_dev_unregister(ap_root_device);
+ root_device_unregister(ap_root_device);
out_bus:
while (i--)
bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
@@ -1600,7 +1599,7 @@ void ap_module_exit(void)
hrtimer_cancel(&ap_poll_timer);
destroy_workqueue(ap_work_queue);
tasklet_kill(&ap_tasklet);
- s390_root_dev_unregister(ap_root_device);
+ root_device_unregister(ap_root_device);
while ((dev = bus_find_device(&ap_bus_type, NULL, NULL,
__ap_match_all)))
{
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index 28c90b89f2b4..cbc8566fab70 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -24,7 +24,6 @@
#include <asm/kvm_virtio.h>
#include <asm/setup.h>
#include <asm/s390_ext.h>
-#include <asm/s390_rdev.h>
#define VIRTIO_SUBCODE_64 0x0D00
@@ -335,7 +334,7 @@ static int __init kvm_devices_init(void)
if (!MACHINE_IS_KVM)
return -ENODEV;
- kvm_root = s390_root_dev_register("kvm_s390");
+ kvm_root = root_device_register("kvm_s390");
if (IS_ERR(kvm_root)) {
rc = PTR_ERR(kvm_root);
printk(KERN_ERR "Could not register kvm_s390 root device");
@@ -344,7 +343,7 @@ static int __init kvm_devices_init(void)
rc = vmem_add_mapping(real_memory_size, PAGE_SIZE);
if (rc) {
- s390_root_dev_unregister(kvm_root);
+ root_device_unregister(kvm_root);
return rc;
}
diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c
index f4a32375c037..48383459e99b 100644
--- a/drivers/s390/net/cu3088.c
+++ b/drivers/s390/net/cu3088.c
@@ -25,7 +25,6 @@
#include <linux/module.h>
#include <linux/err.h>
-#include <asm/s390_rdev.h>
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
@@ -120,12 +119,12 @@ cu3088_init (void)
{
int rc;
- cu3088_root_dev = s390_root_dev_register("cu3088");
+ cu3088_root_dev = root_device_register("cu3088");
if (IS_ERR(cu3088_root_dev))
return PTR_ERR(cu3088_root_dev);
rc = ccw_driver_register(&cu3088_driver);
if (rc)
- s390_root_dev_unregister(cu3088_root_dev);
+ root_device_unregister(cu3088_root_dev);
return rc;
}
@@ -134,7 +133,7 @@ static void __exit
cu3088_exit (void)
{
ccw_driver_unregister(&cu3088_driver);
- s390_root_dev_unregister(cu3088_root_dev);
+ root_device_unregister(cu3088_root_dev);
}
MODULE_DEVICE_TABLE(ccw,cu3088_ids);
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index d5ccce1643e4..e0c45574b0c8 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -643,7 +643,6 @@ struct qeth_card_options {
int macaddr_mode;
int fake_broadcast;
int add_hhlen;
- int fake_ll;
int layer2;
enum qeth_large_send_types large_send;
int performance_stats;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index e783644a2105..d1b5bebea7fb 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -24,7 +24,6 @@
#include <asm/ebcdic.h>
#include <asm/io.h>
-#include <asm/s390_rdev.h>
#include "qeth_core.h"
#include "qeth_core_offl.h"
@@ -287,8 +286,15 @@ int qeth_set_large_send(struct qeth_card *card,
card->options.large_send = type;
switch (card->options.large_send) {
case QETH_LARGE_SEND_EDDP:
- card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
+ if (card->info.type != QETH_CARD_TYPE_IQD) {
+ card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
NETIF_F_HW_CSUM;
+ } else {
+ card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG |
+ NETIF_F_HW_CSUM);
+ card->options.large_send = QETH_LARGE_SEND_NO;
+ rc = -EOPNOTSUPP;
+ }
break;
case QETH_LARGE_SEND_TSO:
if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
@@ -572,6 +578,10 @@ static void qeth_send_control_data_cb(struct qeth_channel *channel,
card = CARD_FROM_CDEV(channel->ccwdev);
if (qeth_check_idx_response(iob->data)) {
qeth_clear_ipacmd_list(card);
+ if (((iob->data[2] & 0xc0) == 0xc0) && iob->data[4] == 0xf6)
+ dev_err(&card->gdev->dev,
+ "The qeth device is not configured "
+ "for the OSI layer required by z/VM\n");
qeth_schedule_recovery(card);
goto out;
}
@@ -1072,7 +1082,6 @@ static void qeth_set_intial_options(struct qeth_card *card)
card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
card->options.fake_broadcast = 0;
card->options.add_hhlen = DEFAULT_ADD_HHLEN;
- card->options.fake_ll = 0;
card->options.performance_stats = 0;
card->options.rx_sg_cb = QETH_RX_SG_CB;
}
@@ -1682,6 +1691,7 @@ int qeth_send_control_data(struct qeth_card *card, int len,
unsigned long flags;
struct qeth_reply *reply = NULL;
unsigned long timeout;
+ struct qeth_ipa_cmd *cmd;
QETH_DBF_TEXT(TRACE, 2, "sendctl");
@@ -1728,17 +1738,34 @@ int qeth_send_control_data(struct qeth_card *card, int len,
wake_up(&card->wait_q);
return rc;
}
- while (!atomic_read(&reply->received)) {
- if (time_after(jiffies, timeout)) {
- spin_lock_irqsave(&reply->card->lock, flags);
- list_del_init(&reply->list);
- spin_unlock_irqrestore(&reply->card->lock, flags);
- reply->rc = -ETIME;
- atomic_inc(&reply->received);
- wake_up(&reply->wait_q);
- }
- cpu_relax();
- };
+
+ /* we have only one long running ipassist, since we can ensure
+ process context of this command we can sleep */
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ if ((cmd->hdr.command == IPA_CMD_SETIP) &&
+ (cmd->hdr.prot_version == QETH_PROT_IPV4)) {
+ if (!wait_event_timeout(reply->wait_q,
+ atomic_read(&reply->received), timeout))
+ goto time_err;
+ } else {
+ while (!atomic_read(&reply->received)) {
+ if (time_after(jiffies, timeout))
+ goto time_err;
+ cpu_relax();
+ };
+ }
+
+ rc = reply->rc;
+ qeth_put_reply(reply);
+ return rc;
+
+time_err:
+ spin_lock_irqsave(&reply->card->lock, flags);
+ list_del_init(&reply->list);
+ spin_unlock_irqrestore(&reply->card->lock, flags);
+ reply->rc = -ETIME;
+ atomic_inc(&reply->received);
+ wake_up(&reply->wait_q);
rc = reply->rc;
qeth_put_reply(reply);
return rc;
@@ -2250,7 +2277,8 @@ void qeth_print_status_message(struct qeth_card *card)
}
/* fallthrough */
case QETH_CARD_TYPE_IQD:
- if (card->info.guestlan) {
+ if ((card->info.guestlan) ||
+ (card->info.mcl_level[0] & 0x80)) {
card->info.mcl_level[0] = (char) _ebcasc[(__u8)
card->info.mcl_level[0]];
card->info.mcl_level[1] = (char) _ebcasc[(__u8)
@@ -4496,7 +4524,7 @@ static int __init qeth_core_init(void)
&driver_attr_group);
if (rc)
goto driver_err;
- qeth_core_root_dev = s390_root_dev_register("qeth");
+ qeth_core_root_dev = root_device_register("qeth");
rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0;
if (rc)
goto register_err;
@@ -4510,7 +4538,7 @@ static int __init qeth_core_init(void)
return 0;
slab_err:
- s390_root_dev_unregister(qeth_core_root_dev);
+ root_device_unregister(qeth_core_root_dev);
register_err:
driver_remove_file(&qeth_core_ccwgroup_driver.driver,
&driver_attr_group);
@@ -4528,7 +4556,7 @@ out_err:
static void __exit qeth_core_exit(void)
{
- s390_root_dev_unregister(qeth_core_root_dev);
+ root_device_unregister(qeth_core_root_dev);
driver_remove_file(&qeth_core_ccwgroup_driver.driver,
&driver_attr_group);
ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 2c48591ced44..591a2b3ae4cb 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -20,8 +20,6 @@
#include <linux/mii.h>
#include <linux/ip.h>
-#include <asm/s390_rdev.h>
-
#include "qeth_core.h"
#include "qeth_core_offl.h"
@@ -1126,9 +1124,11 @@ static int qeth_l2_recover(void *ptr)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
else {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
+ if (card->dev) {
+ rtnl_lock();
+ dev_close(card->dev);
+ rtnl_unlock();
+ }
dev_warn(&card->gdev->dev, "The qeth device driver "
"failed to recover an error on the device\n");
}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index c0b30b25a5f1..4693ee4e7b98 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -26,8 +26,6 @@
#include <net/ip.h>
#include <net/arp.h>
-#include <asm/s390_rdev.h>
-
#include "qeth_l3.h"
#include "qeth_core_offl.h"
@@ -1047,7 +1045,7 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card)
rc = qeth_setadpparms_change_macaddr(card);
if (rc)
dev_warn(&card->gdev->dev, "Reading the adapter MAC"
- " address failed\n", rc);
+ " address failed\n");
}
if ((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
@@ -1207,12 +1205,9 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card)
QETH_DBF_TEXT(TRACE, 3, "stsrcmac");
- if (!card->options.fake_ll)
- return -EOPNOTSUPP;
-
if (!qeth_is_supported(card, IPA_SOURCE_MAC)) {
dev_info(&card->gdev->dev,
- "Inbound source address not supported on %s\n",
+ "Inbound source MAC-address not supported on %s\n",
QETH_CARD_IFNAME(card));
return -EOPNOTSUPP;
}
@@ -1221,7 +1216,7 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card)
IPA_CMD_ASS_START, 0);
if (rc)
dev_warn(&card->gdev->dev,
- "Starting proxy ARP support for %s failed\n",
+ "Starting source MAC-address support for %s failed\n",
QETH_CARD_IFNAME(card));
return rc;
}
@@ -1921,8 +1916,13 @@ static inline __u16 qeth_l3_rebuild_skb(struct qeth_card *card,
memcpy(tg_addr, card->dev->dev_addr,
card->dev->addr_len);
}
- card->dev->header_ops->create(skb, card->dev, prot, tg_addr,
- "FAKELL", card->dev->addr_len);
+ if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
+ card->dev->header_ops->create(skb, card->dev, prot,
+ tg_addr, &hdr->hdr.l3.dest_addr[2],
+ card->dev->addr_len);
+ else
+ card->dev->header_ops->create(skb, card->dev, prot,
+ tg_addr, "FAKELL", card->dev->addr_len);
}
#ifdef CONFIG_TR
@@ -2080,9 +2080,11 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
if (recovery_mode)
qeth_l3_stop(card->dev);
else {
- rtnl_lock();
- dev_close(card->dev);
- rtnl_unlock();
+ if (card->dev) {
+ rtnl_lock();
+ dev_close(card->dev);
+ rtnl_unlock();
+ }
}
if (!card->use_hard_stop) {
rc = qeth_send_stoplan(card);
diff --git a/drivers/s390/s390_rdev.c b/drivers/s390/s390_rdev.c
deleted file mode 100644
index 64371c05a3b3..000000000000
--- a/drivers/s390/s390_rdev.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * drivers/s390/s390_rdev.c
- * s390 root device
- *
- * Copyright (C) 2002, 2005 IBM Deutschland Entwicklung GmbH,
- * IBM Corporation
- * Author(s): Cornelia Huck (cornelia.huck@de.ibm.com)
- * Carsten Otte (cotte@de.ibm.com)
- */
-
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/device.h>
-#include <asm/s390_rdev.h>
-
-static void
-s390_root_dev_release(struct device *dev)
-{
- kfree(dev);
-}
-
-struct device *
-s390_root_dev_register(const char *name)
-{
- struct device *dev;
- int ret;
-
- if (!strlen(name))
- return ERR_PTR(-EINVAL);
- dev = kzalloc(sizeof(struct device), GFP_KERNEL);
- if (!dev)
- return ERR_PTR(-ENOMEM);
- dev_set_name(dev, name);
- dev->release = s390_root_dev_release;
- ret = device_register(dev);
- if (ret) {
- kfree(dev);
- return ERR_PTR(ret);
- }
- return dev;
-}
-
-void
-s390_root_dev_unregister(struct device *dev)
-{
- if (dev)
- device_unregister(dev);
-}
-
-EXPORT_SYMBOL(s390_root_dev_register);
-EXPORT_SYMBOL(s390_root_dev_unregister);
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-01 07:17:59 +0000