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path: root/drivers/s390/cio
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Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/blacklist.c19
-rw-r--r--drivers/s390/cio/ccwgroup.c3
-rw-r--r--drivers/s390/cio/chp.c31
-rw-r--r--drivers/s390/cio/chsc.c26
-rw-r--r--drivers/s390/cio/chsc.h2
-rw-r--r--drivers/s390/cio/cio.c13
-rw-r--r--drivers/s390/cio/cio_debug.h2
-rw-r--r--drivers/s390/cio/cmf.c20
-rw-r--r--drivers/s390/cio/css.c33
-rw-r--r--drivers/s390/cio/css.h1
-rw-r--r--drivers/s390/cio/device.c67
-rw-r--r--drivers/s390/cio/device_fsm.c20
-rw-r--r--drivers/s390/cio/device_id.c56
-rw-r--r--drivers/s390/cio/device_ops.c257
-rw-r--r--drivers/s390/cio/qdio.c113
15 files changed, 186 insertions, 477 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index ec0404874fad..bd5f16f80bf8 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -51,7 +51,7 @@ blacklist_range (range_action action, unsigned int from, unsigned int to,
to = from;
if (from > to || to > __MAX_SUBCHANNEL || ssid > __MAX_SSID) {
- printk (KERN_WARNING "Invalid blacklist range "
+ printk (KERN_WARNING "cio: Invalid blacklist range "
"0.%x.%04x to 0.%x.%04x, skipping\n",
ssid, from, ssid, to);
return;
@@ -119,7 +119,7 @@ blacklist_busid(char **str, int *id0, int *ssid, int *devno)
return 0;
confused:
strsep(str, ",\n");
- printk(KERN_WARNING "Invalid cio_ignore parameter '%s'\n", sav);
+ printk(KERN_WARNING "cio: Invalid cio_ignore parameter '%s'\n", sav);
return 1;
}
@@ -166,22 +166,19 @@ blacklist_parse_parameters (char *str, range_action action)
continue;
}
if (*str == '-') {
- printk(KERN_WARNING "invalid cio_ignore "
+ printk(KERN_WARNING "cio: invalid cio_ignore "
"parameter '%s'\n",
strsep(&str, ",\n"));
continue;
}
if ((from_id0 != to_id0) ||
(from_ssid != to_ssid)) {
- printk(KERN_WARNING "invalid cio_ignore range "
- "%x.%x.%04x-%x.%x.%04x\n",
- from_id0, from_ssid, from,
- to_id0, to_ssid, to);
+ printk(KERN_WARNING "cio: invalid cio_ignore "
+ "range %x.%x.%04x-%x.%x.%04x\n",
+ from_id0, from_ssid, from,
+ to_id0, to_ssid, to);
continue;
}
- pr_debug("blacklist_setup: adding range "
- "from %x.%x.%04x to %x.%x.%04x\n",
- from_id0, from_ssid, from, to_id0, to_ssid, to);
blacklist_range (ra, from, to, to_ssid);
}
}
@@ -239,7 +236,7 @@ blacklist_parse_proc_parameters (char *buf)
*/
blacklist_parse_parameters (buf + 4, add);
} else {
- printk (KERN_WARNING "cio_ignore: Parse error; \n"
+ printk (KERN_WARNING "cio: cio_ignore: Parse error; \n"
KERN_WARNING "try using 'free all|<devno-range>,"
"<devno-range>,...'\n"
KERN_WARNING "or 'add <devno-range>,"
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index e5ccda63e883..b0a18f5176aa 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -359,7 +359,6 @@ ccwgroup_probe (struct device *dev)
if ((ret = device_create_file(dev, &dev_attr_online)))
return ret;
- pr_debug("%s: device %s\n", __func__, gdev->dev.bus_id);
ret = gdrv->probe ? gdrv->probe(gdev) : -ENODEV;
if (ret)
device_remove_file(dev, &dev_attr_online);
@@ -376,8 +375,6 @@ ccwgroup_remove (struct device *dev)
gdev = to_ccwgroupdev(dev);
gdrv = to_ccwgroupdrv(dev->driver);
- pr_debug("%s: device %s\n", __func__, gdev->dev.bus_id);
-
device_remove_file(dev, &dev_attr_online);
if (gdrv && gdrv->remove)
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index ac289e6eadfe..920dd71e6434 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -121,14 +121,8 @@ static int s390_vary_chpid(struct chp_id chpid, int on)
CIO_TRACE_EVENT( 2, dbf_text);
status = chp_get_status(chpid);
- if (status < 0) {
- printk(KERN_ERR "Can't vary unknown chpid %x.%02x\n",
- chpid.cssid, chpid.id);
- return -EINVAL;
- }
-
if (!on && !status) {
- printk(KERN_ERR "chpid %x.%02x is already offline\n",
+ printk(KERN_ERR "cio: chpid %x.%02x is already offline\n",
chpid.cssid, chpid.id);
return -EINVAL;
}
@@ -141,8 +135,9 @@ static int s390_vary_chpid(struct chp_id chpid, int on)
/*
* Channel measurement related functions
*/
-static ssize_t chp_measurement_chars_read(struct kobject *kobj, char *buf,
- loff_t off, size_t count)
+static ssize_t chp_measurement_chars_read(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct channel_path *chp;
unsigned int size;
@@ -165,7 +160,6 @@ static struct bin_attribute chp_measurement_chars_attr = {
.attr = {
.name = "measurement_chars",
.mode = S_IRUSR,
- .owner = THIS_MODULE,
},
.size = sizeof(struct cmg_chars),
.read = chp_measurement_chars_read,
@@ -193,8 +187,9 @@ static void chp_measurement_copy_block(struct cmg_entry *buf,
} while (reference_buf.values[0] != buf->values[0]);
}
-static ssize_t chp_measurement_read(struct kobject *kobj, char *buf,
- loff_t off, size_t count)
+static ssize_t chp_measurement_read(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
{
struct channel_path *chp;
struct channel_subsystem *css;
@@ -217,7 +212,6 @@ static struct bin_attribute chp_measurement_attr = {
.attr = {
.name = "measurement",
.mode = S_IRUSR,
- .owner = THIS_MODULE,
},
.size = sizeof(struct cmg_entry),
.read = chp_measurement_read,
@@ -421,21 +415,14 @@ int chp_new(struct chp_id chpid)
if (ret)
goto out_free;
} else {
- static int msg_done;
-
- if (!msg_done) {
- printk(KERN_WARNING "cio: Channel measurements not "
- "available, continuing.\n");
- msg_done = 1;
- }
chp->cmg = -1;
}
/* make it known to the system */
ret = device_register(&chp->dev);
if (ret) {
- printk(KERN_WARNING "%s: could not register %x.%02x\n",
- __func__, chpid.cssid, chpid.id);
+ CIO_MSG_EVENT(0, "Could not register chp%x.%02x: %d\n",
+ chpid.cssid, chpid.id, ret);
goto out_free;
}
ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group);
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index ea92ac4d6577..597c0c76a2ad 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -990,16 +990,20 @@ out:
return ret;
}
-static int __init
-chsc_alloc_sei_area(void)
+int __init chsc_alloc_sei_area(void)
{
sei_page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!sei_page)
- printk(KERN_WARNING"Can't allocate page for processing of " \
- "chsc machine checks!\n");
+ CIO_MSG_EVENT(0, "Can't allocate page for processing of "
+ "chsc machine checks!\n");
return (sei_page ? 0 : -ENOMEM);
}
+void __init chsc_free_sei_area(void)
+{
+ kfree(sei_page);
+}
+
int __init
chsc_enable_facility(int operation_code)
{
@@ -1051,8 +1055,6 @@ chsc_enable_facility(int operation_code)
return ret;
}
-subsys_initcall(chsc_alloc_sei_area);
-
struct css_general_char css_general_characteristics;
struct css_chsc_char css_chsc_characteristics;
@@ -1073,8 +1075,8 @@ chsc_determine_css_characteristics(void)
scsc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!scsc_area) {
- printk(KERN_WARNING"cio: Was not able to determine available" \
- "CHSCs due to no memory.\n");
+ CIO_MSG_EVENT(0, "Was not able to determine available"
+ "CHSCs due to no memory.\n");
return -ENOMEM;
}
@@ -1083,15 +1085,15 @@ chsc_determine_css_characteristics(void)
result = chsc(scsc_area);
if (result) {
- printk(KERN_WARNING"cio: Was not able to determine " \
- "available CHSCs, cc=%i.\n", result);
+ CIO_MSG_EVENT(0, "Was not able to determine available CHSCs, "
+ "cc=%i.\n", result);
result = -EIO;
goto exit;
}
if (scsc_area->response.code != 1) {
- printk(KERN_WARNING"cio: Was not able to determine " \
- "available CHSCs.\n");
+ CIO_MSG_EVENT(0, "Was not able to determine "
+ "available CHSCs.\n");
result = -EIO;
goto exit;
}
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 2ad81d11cf7b..d1f5db1e69b9 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -79,6 +79,8 @@ extern int chsc_get_ssd_info(struct subchannel_id schid,
struct chsc_ssd_info *ssd);
extern int chsc_determine_css_characteristics(void);
extern int css_characteristics_avail;
+extern int chsc_alloc_sei_area(void);
+extern void chsc_free_sei_area(void);
extern int chsc_enable_facility(int);
struct channel_subsystem;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index ea1defba5693..f2708d65be5a 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -47,8 +47,8 @@ cio_setup (char *parm)
else if (!strcmp (parm, "no"))
cio_show_msg = 0;
else
- printk (KERN_ERR "cio_setup : invalid cio_msg parameter '%s'",
- parm);
+ printk(KERN_ERR "cio: cio_setup: "
+ "invalid cio_msg parameter '%s'", parm);
return 1;
}
@@ -80,7 +80,6 @@ cio_debug_init (void)
goto out_unregister;
debug_register_view (cio_debug_crw_id, &debug_sprintf_view);
debug_set_level (cio_debug_crw_id, 2);
- pr_debug("debugging initialized\n");
return 0;
out_unregister:
@@ -90,7 +89,7 @@ out_unregister:
debug_unregister (cio_debug_trace_id);
if (cio_debug_crw_id)
debug_unregister (cio_debug_crw_id);
- pr_debug("could not initialize debugging\n");
+ printk(KERN_WARNING"cio: could not initialize debugging\n");
return -1;
}
@@ -568,7 +567,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
*/
if (sch->st != 0) {
CIO_DEBUG(KERN_INFO, 0,
- "Subchannel 0.%x.%04x reports "
+ "cio: Subchannel 0.%x.%04x reports "
"non-I/O subchannel type %04X\n",
sch->schid.ssid, sch->schid.sch_no, sch->st);
/* We stop here for non-io subchannels. */
@@ -601,7 +600,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
sch->lpm = sch->schib.pmcw.pam & sch->opm;
CIO_DEBUG(KERN_INFO, 0,
- "Detected device %04x on subchannel 0.%x.%04X"
+ "cio: Detected device %04x on subchannel 0.%x.%04X"
" - PIM = %02X, PAM = %02X, POM = %02X\n",
sch->schib.pmcw.dev, sch->schid.ssid,
sch->schid.sch_no, sch->schib.pmcw.pim,
@@ -766,7 +765,7 @@ cio_get_console_sch_no(void)
/* unlike in 2.4, we cannot autoprobe here, since
* the channel subsystem is not fully initialized.
* With some luck, the HWC console can take over */
- printk(KERN_WARNING "No ccw console found!\n");
+ printk(KERN_WARNING "cio: No ccw console found!\n");
return -1;
}
return console_irq;
diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h
index f88844adae1b..c9bf8989930f 100644
--- a/drivers/s390/cio/cio_debug.h
+++ b/drivers/s390/cio/cio_debug.h
@@ -23,6 +23,8 @@ extern debug_info_t *cio_debug_crw_id;
static inline void
CIO_HEX_EVENT(int level, void *data, int length)
{
+ if (unlikely(!cio_debug_trace_id))
+ return;
while (length > 0) {
debug_event(cio_debug_trace_id, level, data, length);
length -= cio_debug_trace_id->buf_size;
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 28abd697be1a..34a796913b06 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -594,6 +594,9 @@ alloc_cmb (struct ccw_device *cdev)
free_pages((unsigned long)mem, get_order(size));
} else if (!mem) {
/* no luck */
+ printk(KERN_WARNING "cio: failed to allocate area "
+ "for measuring %d subchannels\n",
+ cmb_area.num_channels);
ret = -ENOMEM;
goto out;
} else {
@@ -1185,12 +1188,12 @@ static ssize_t cmb_enable_store(struct device *dev, struct device_attribute *att
case '0':
ret = disable_cmf(cdev);
if (ret)
- printk(KERN_INFO "disable_cmf failed (%d)\n", ret);
+ dev_info(&cdev->dev, "disable_cmf failed (%d)\n", ret);
break;
case '1':
ret = enable_cmf(cdev);
if (ret && ret != -EBUSY)
- printk(KERN_INFO "enable_cmf failed (%d)\n", ret);
+ dev_info(&cdev->dev, "enable_cmf failed (%d)\n", ret);
break;
}
@@ -1279,26 +1282,19 @@ init_cmf(void)
case CMF_BASIC:
format_string = "basic";
cmbops = &cmbops_basic;
- if (cmb_area.num_channels > 4096 || cmb_area.num_channels < 1) {
- printk(KERN_ERR "Basic channel measurement facility"
- " can only use 1 to 4096 devices\n"
- KERN_ERR "when the cmf driver is built"
- " as a loadable module\n");
- return 1;
- }
break;
case CMF_EXTENDED:
format_string = "extended";
cmbops = &cmbops_extended;
break;
default:
- printk(KERN_ERR "Invalid format %d for channel "
+ printk(KERN_ERR "cio: Invalid format %d for channel "
"measurement facility\n", format);
return 1;
}
- printk(KERN_INFO "Channel measurement facility using %s format (%s)\n",
- format_string, detect_string);
+ printk(KERN_INFO "cio: Channel measurement facility using %s "
+ "format (%s)\n", format_string, detect_string);
return 0;
}
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index dfca0ef139fd..5635e656c1a3 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -79,6 +79,7 @@ css_alloc_subchannel(struct subchannel_id schid)
sch->schib.pmcw.intparm = (__u32)(unsigned long)sch;
ret = cio_modify(sch);
if (ret) {
+ kfree(sch->lock);
kfree(sch);
return ERR_PTR(ret);
}
@@ -109,7 +110,7 @@ css_subchannel_release(struct device *dev)
}
}
-int css_sch_device_register(struct subchannel *sch)
+static int css_sch_device_register(struct subchannel *sch)
{
int ret;
@@ -184,8 +185,8 @@ static int css_register_subchannel(struct subchannel *sch)
/* make it known to the system */
ret = css_sch_device_register(sch);
if (ret) {
- printk (KERN_WARNING "%s: could not register %s\n",
- __func__, sch->dev.bus_id);
+ CIO_MSG_EVENT(0, "Could not register sch 0.%x.%04x: %d\n",
+ sch->schid.ssid, sch->schid.sch_no, ret);
return ret;
}
return ret;
@@ -371,15 +372,12 @@ static int __init slow_subchannel_init(void)
spin_lock_init(&slow_subchannel_lock);
slow_subchannel_set = idset_sch_new();
if (!slow_subchannel_set) {
- printk(KERN_WARNING "cio: could not allocate slow subchannel "
- "set\n");
+ CIO_MSG_EVENT(0, "could not allocate slow subchannel set\n");
return -ENOMEM;
}
return 0;
}
-subsys_initcall(slow_subchannel_init);
-
static void css_slow_path_func(struct work_struct *unused)
{
struct subchannel_id schid;
@@ -425,8 +423,8 @@ static int reprobe_subchannel(struct subchannel_id schid, void *data)
struct subchannel *sch;
int ret;
- CIO_DEBUG(KERN_INFO, 6, "cio: reprobe 0.%x.%04x\n",
- schid.ssid, schid.sch_no);
+ CIO_MSG_EVENT(6, "cio: reprobe 0.%x.%04x\n",
+ schid.ssid, schid.sch_no);
if (need_reprobe)
return -EAGAIN;
@@ -642,9 +640,20 @@ init_channel_subsystem (void)
{
int ret, i;
- if (chsc_determine_css_characteristics() == 0)
+ ret = chsc_determine_css_characteristics();
+ if (ret == -ENOMEM)
+ goto out; /* No need to continue. */
+ if (ret == 0)
css_characteristics_avail = 1;
+ ret = chsc_alloc_sei_area();
+ if (ret)
+ goto out;
+
+ ret = slow_subchannel_init();
+ if (ret)
+ goto out;
+
if ((ret = bus_register(&css_bus_type)))
goto out;
@@ -710,6 +719,10 @@ out_unregister:
out_bus:
bus_unregister(&css_bus_type);
out:
+ chsc_free_sei_area();
+ kfree(slow_subchannel_set);
+ printk(KERN_WARNING"cio: failed to initialize css driver (%d)!\n",
+ ret);
return ret;
}
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index ed7977531c3f..5d65e83ca66e 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -139,7 +139,6 @@ struct css_driver {
*/
extern struct bus_type css_bus_type;
-extern int css_sch_device_register(struct subchannel *);
extern void css_sch_device_unregister(struct subchannel *);
extern struct subchannel * get_subchannel_by_schid(struct subchannel_id);
extern int css_init_done;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 6b264bdb5bfb..e44d92eac8e9 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -117,7 +117,10 @@ static int ccw_uevent(struct device *dev, char **envp, int num_envp,
snprint_alias(modalias_buf, sizeof(modalias_buf), id, "");
ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
"MODALIAS=%s", modalias_buf);
- return ret;
+ if (ret)
+ return ret;
+ envp[i] = NULL;
+ return 0;
}
struct bus_type ccw_bus_type;
@@ -272,7 +275,7 @@ modalias_show (struct device *dev, struct device_attribute *attr, char *buf)
struct ccw_device_id *id = &(cdev->id);
int len;
- len = snprint_alias(buf, PAGE_SIZE, id, "\n") + 1;
+ len = snprint_alias(buf, PAGE_SIZE, id, "\n");
return len > PAGE_SIZE ? PAGE_SIZE : len;
}
@@ -338,15 +341,20 @@ ccw_device_remove_disconnected(struct ccw_device *cdev)
rc = device_schedule_callback(&cdev->dev,
ccw_device_remove_orphan_cb);
if (rc)
- dev_info(&cdev->dev, "Couldn't unregister orphan\n");
+ CIO_MSG_EVENT(2, "Couldn't unregister orphan "
+ "0.%x.%04x\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
return;
}
/* Deregister subchannel, which will kill the ccw device. */
rc = device_schedule_callback(cdev->dev.parent,
ccw_device_remove_sch_cb);
if (rc)
- dev_info(&cdev->dev,
- "Couldn't unregister disconnected device\n");
+ CIO_MSG_EVENT(2, "Couldn't unregister disconnected device "
+ "0.%x.%04x\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
}
int
@@ -379,8 +387,10 @@ ccw_device_set_offline(struct ccw_device *cdev)
if (ret == 0)
wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
else {
- pr_debug("ccw_device_offline returned %d, device %s\n",
- ret, cdev->dev.bus_id);
+ CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+ "device 0.%x.%04x\n",
+ ret, cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
cdev->online = 1;
}
return ret;
@@ -402,8 +412,10 @@ ccw_device_set_online(struct ccw_device *cdev)
if (ret == 0)
wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
else {
- pr_debug("ccw_device_online returned %d, device %s\n",
- ret, cdev->dev.bus_id);
+ CIO_MSG_EVENT(2, "ccw_device_online returned %d, "
+ "device 0.%x.%04x\n",
+ ret, cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
return ret;
}
if (cdev->private->state != DEV_STATE_ONLINE)
@@ -417,9 +429,11 @@ ccw_device_set_online(struct ccw_device *cdev)
spin_unlock_irq(cdev->ccwlock);
if (ret == 0)
wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
- else
- pr_debug("ccw_device_offline returned %d, device %s\n",
- ret, cdev->dev.bus_id);
+ else
+ CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+ "device 0.%x.%04x\n",
+ ret, cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
return (ret == 0) ? -ENODEV : ret;
}
@@ -439,9 +453,10 @@ static int online_store_recog_and_online(struct ccw_device *cdev)
if (cdev->id.cu_type == 0) {
ret = ccw_device_recognition(cdev);
if (ret) {
- printk(KERN_WARNING"Couldn't start recognition "
- "for device %s (ret=%d)\n",
- cdev->dev.bus_id, ret);
+ CIO_MSG_EVENT(0, "Couldn't start recognition "
+ "for device 0.%x.%04x (ret=%d)\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, ret);
return ret;
}
wait_event(cdev->private->wait_q,
@@ -461,8 +476,8 @@ static void online_store_handle_online(struct ccw_device *cdev, int force)
if (force && cdev->private->state == DEV_STATE_BOXED) {
ret = ccw_device_stlck(cdev);
if (ret) {
- printk(KERN_WARNING"ccw_device_stlck for device %s "
- "returned %d!\n", cdev->dev.bus_id, ret);
+ dev_warn(&cdev->dev,
+ "ccw_device_stlck returned %d!\n", ret);
return;
}
if (cdev->id.cu_type == 0)
@@ -893,8 +908,10 @@ io_subchannel_register(struct work_struct *work)
ret = device_reprobe(&cdev->dev);
if (ret)
/* We can't do much here. */
- dev_info(&cdev->dev, "device_reprobe() returned"
- " %d\n", ret);
+ CIO_MSG_EVENT(2, "device_reprobe() returned"
+ " %d for 0.%x.%04x\n", ret,
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
}
goto out;
}
@@ -907,8 +924,9 @@ io_subchannel_register(struct work_struct *work)
/* make it known to the system */
ret = ccw_device_register(cdev);
if (ret) {
- printk (KERN_WARNING "%s: could not register %s\n",
- __func__, cdev->dev.bus_id);
+ CIO_MSG_EVENT(0, "Could not register ccw dev 0.%x.%04x: %d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, ret);
put_device(&cdev->dev);
spin_lock_irqsave(sch->lock, flags);
sch->dev.driver_data = NULL;
@@ -1361,7 +1379,6 @@ ccw_device_remove (struct device *dev)
struct ccw_driver *cdrv = cdev->drv;
int ret;
- pr_debug("removing device %s\n", cdev->dev.bus_id);
if (cdrv->remove)
cdrv->remove(cdev);
if (cdev->online) {
@@ -1374,8 +1391,10 @@ ccw_device_remove (struct device *dev)
dev_fsm_final_state(cdev));
else
//FIXME: we can't fail!
- pr_debug("ccw_device_offline returned %d, device %s\n",
- ret, cdev->dev.bus_id);
+ CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+ "device 0.%x.%04x\n",
+ ret, cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
}
ccw_device_set_timeout(cdev, 0);
cdev->drv = NULL;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 6bba80929577..8633dc537695 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -268,7 +268,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
switch (state) {
case DEV_STATE_NOT_OPER:
CIO_DEBUG(KERN_WARNING, 2,
- "SenseID : unknown device %04x on subchannel "
+ "cio: SenseID : unknown device %04x on subchannel "
"0.%x.%04x\n", cdev->private->dev_id.devno,
sch->schid.ssid, sch->schid.sch_no);
break;
@@ -293,7 +293,8 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
return;
}
/* Issue device info message. */
- CIO_DEBUG(KERN_INFO, 2, "SenseID : device 0.%x.%04x reports: "
+ CIO_DEBUG(KERN_INFO, 2,
+ "cio: SenseID : device 0.%x.%04x reports: "
"CU Type/Mod = %04X/%02X, Dev Type/Mod = "
"%04X/%02X\n",
cdev->private->dev_id.ssid,
@@ -303,7 +304,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
break;
case DEV_STATE_BOXED:
CIO_DEBUG(KERN_WARNING, 2,
- "SenseID : boxed device %04x on subchannel "
+ "cio: SenseID : boxed device %04x on subchannel "
"0.%x.%04x\n", cdev->private->dev_id.devno,
sch->schid.ssid, sch->schid.sch_no);
break;
@@ -388,7 +389,7 @@ ccw_device_done(struct ccw_device *cdev, int state)
if (state == DEV_STATE_BOXED)
CIO_DEBUG(KERN_WARNING, 2,
- "Boxed device %04x on subchannel %04x\n",
+ "cio: Boxed device %04x on subchannel %04x\n",
cdev->private->dev_id.devno, sch->schid.sch_no);
if (cdev->private->flags.donotify) {
@@ -946,9 +947,10 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event)
/* Basic sense hasn't started. Try again. */
ccw_device_do_sense(cdev, irb);
else {
- printk(KERN_INFO "Huh? %s(%s): unsolicited "
- "interrupt...\n",
- __FUNCTION__, cdev->dev.bus_id);
+ CIO_MSG_EVENT(2, "Huh? 0.%x.%04x: unsolicited "
+ "interrupt during w4sense...\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno);
if (cdev->handler)
cdev->handler (cdev, 0, irb);
}
@@ -1215,8 +1217,8 @@ ccw_device_nop(struct ccw_device *cdev, enum dev_event dev_event)
static void
ccw_device_bug(struct ccw_device *cdev, enum dev_event dev_event)
{
- printk(KERN_EMERG "dev_jumptable[%i][%i] == NULL\n",
- cdev->private->state, dev_event);
+ CIO_MSG_EVENT(0, "dev_jumptable[%i][%i] == NULL\n",
+ cdev->private->state, dev_event);
BUG();
}
diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index 997f46874537..f232832f2b22 100644
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -17,6 +17,7 @@
#include <asm/delay.h>
#include <asm/cio.h>
#include <asm/lowcore.h>
+#include <asm/diag.h>
#include "cio.h"
#include "cio_debug.h"
@@ -25,59 +26,6 @@
#include "ioasm.h"
/*
- * diag210 is used under VM to get information about a virtual device
- */
-#ifdef CONFIG_64BIT
-int
-diag210(struct diag210 * addr)
-{
- /*
- * diag 210 needs its data below the 2GB border, so we
- * use a static data area to be sure
- */
- static struct diag210 diag210_tmp;
- static DEFINE_SPINLOCK(diag210_lock);
- unsigned long flags;
- int ccode;
-
- spin_lock_irqsave(&diag210_lock, flags);
- diag210_tmp = *addr;
-
- asm volatile(
- " lhi %0,-1\n"
- " sam31\n"
- " diag %1,0,0x210\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- "1: sam64\n"
- EX_TABLE(0b,1b)
- : "=&d" (ccode) : "a" (__pa(&diag210_tmp)) : "cc", "memory");
-
- *addr = diag210_tmp;
- spin_unlock_irqrestore(&diag210_lock, flags);
-
- return ccode;
-}
-#else
-int
-diag210(struct diag210 * addr)
-{
- int ccode;
-
- asm volatile(
- " lhi %0,-1\n"
- " diag %1,0,0x210\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- "1:\n"
- EX_TABLE(0b,1b)
- : "=&d" (ccode) : "a" (__pa(addr)) : "cc", "memory");
-
- return ccode;
-}
-#endif
-
-/*
* Input :
* devno - device number
* ps - pointer to sense ID data area
@@ -357,5 +305,3 @@ ccw_device_sense_id_irq(struct ccw_device *cdev, enum dev_event dev_event)
break;
}
}
-
-EXPORT_SYMBOL(diag210);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index a5d263fb55ae..14eba854b155 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -288,253 +288,6 @@ ccw_device_get_path_mask(struct ccw_device *cdev)
return sch->lpm;
}
-static void
-ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
-{
- if (!ip)
- /* unsolicited interrupt */
- return;
-
- /* Abuse intparm for error reporting. */
- if (IS_ERR(irb))
- cdev->private->intparm = -EIO;
- else if (irb->scsw.cc == 1)
- /* Retry for deferred condition code. */
- cdev->private->intparm = -EAGAIN;
- else if ((irb->scsw.dstat !=
- (DEV_STAT_CHN_END|DEV_STAT_DEV_END)) ||
- (irb->scsw.cstat != 0)) {
- /*
- * We didn't get channel end / device end. Check if path
- * verification has been started; we can retry after it has
- * finished. We also retry unit checks except for command reject
- * or intervention required. Also check for long busy
- * conditions.
- */
- if (cdev->private->flags.doverify ||
- cdev->private->state == DEV_STATE_VERIFY)
- cdev->private->intparm = -EAGAIN;
- else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
- !(irb->ecw[0] &
- (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
- cdev->private->intparm = -EAGAIN;
- else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) &&
- (irb->scsw.dstat & DEV_STAT_DEV_END) &&
- (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP))
- cdev->private->intparm = -EAGAIN;
- else
- cdev->private->intparm = -EIO;
-
- } else
- cdev->private->intparm = 0;
- wake_up(&cdev->private->wait_q);
-}
-
-static int
-__ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, __u8 lpm)
-{
- int ret;
- struct subchannel *sch;
-
- sch = to_subchannel(cdev->dev.parent);
- do {
- ccw_device_set_timeout(cdev, 60 * HZ);
- ret = cio_start (sch, ccw, lpm);
- if (ret != 0)
- ccw_device_set_timeout(cdev, 0);
- if (ret == -EBUSY) {
- /* Try again later. */
- spin_unlock_irq(sch->lock);
- msleep(10);
- spin_lock_irq(sch->lock);
- continue;
- }
- if (ret != 0)
- /* Non-retryable error. */
- break;
- /* Wait for end of request. */
- cdev->private->intparm = magic;
- spin_unlock_irq(sch->lock);
- wait_event(cdev->private->wait_q,
- (cdev->private->intparm == -EIO) ||
- (cdev->private->intparm == -EAGAIN) ||
- (cdev->private->intparm == 0));
- spin_lock_irq(sch->lock);
- /* Check at least for channel end / device end */
- if (cdev->private->intparm == -EIO) {
- /* Non-retryable error. */
- ret = -EIO;
- break;
- }
- if (cdev->private->intparm == 0)
- /* Success. */
- break;
- /* Try again later. */
- spin_unlock_irq(sch->lock);
- msleep(10);
- spin_lock_irq(sch->lock);
- } while (1);
-
- return ret;
-}
-
-/**
- * read_dev_chars() - read device characteristics
- * @param cdev target ccw device
- * @param buffer pointer to buffer for rdc data
- * @param length size of rdc data
- * @returns 0 for success, negative error value on failure
- *
- * Context:
- * called for online device, lock not held
- **/
-int
-read_dev_chars (struct ccw_device *cdev, void **buffer, int length)
-{
- void (*handler)(struct ccw_device *, unsigned long, struct irb *);
- struct subchannel *sch;
- int ret;
- struct ccw1 *rdc_ccw;
-
- if (!cdev)
- return -ENODEV;
- if (!buffer || !length)
- return -EINVAL;
- sch = to_subchannel(cdev->dev.parent);
-
- CIO_TRACE_EVENT (4, "rddevch");
- CIO_TRACE_EVENT (4, sch->dev.bus_id);
-
- rdc_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
- if (!rdc_ccw)
- return -ENOMEM;
- rdc_ccw->cmd_code = CCW_CMD_RDC;
- rdc_ccw->count = length;
- rdc_ccw->flags = CCW_FLAG_SLI;
- ret = set_normalized_cda (rdc_ccw, (*buffer));
- if (ret != 0) {
- kfree(rdc_ccw);
- return ret;
- }
-
- spin_lock_irq(sch->lock);
- /* Save interrupt handler. */
- handler = cdev->handler;
- /* Temporarily install own handler. */
- cdev->handler = ccw_device_wake_up;
- if (cdev->private->state != DEV_STATE_ONLINE)
- ret = -ENODEV;
- else if (((sch->schib.scsw.stctl & SCSW_STCTL_PRIM_STATUS) &&
- !(sch->schib.scsw.stctl & SCSW_STCTL_SEC_STATUS)) ||
- cdev->private->flags.doverify)
- ret = -EBUSY;
- else
- /* 0x00D9C4C3 == ebcdic "RDC" */
- ret = __ccw_device_retry_loop(cdev, rdc_ccw, 0x00D9C4C3, 0);
-
- /* Restore interrupt handler. */
- cdev->handler = handler;
- spin_unlock_irq(sch->lock);
-
- clear_normalized_cda (rdc_ccw);
- kfree(rdc_ccw);
-
- return ret;
-}
-
-/*
- * Read Configuration data using path mask
- */
-int
-read_conf_data_lpm (struct ccw_device *cdev, void **buffer, int *length, __u8 lpm)
-{
- void (*handler)(struct ccw_device *, unsigned long, struct irb *);
- struct subchannel *sch;
- struct ciw *ciw;
- char *rcd_buf;
- int ret;
- struct ccw1 *rcd_ccw;
-
- if (!cdev)
- return -ENODEV;
- if (!buffer || !length)
- return -EINVAL;
- sch = to_subchannel(cdev->dev.parent);
-
- CIO_TRACE_EVENT (4, "rdconf");
- CIO_TRACE_EVENT (4, sch->dev.bus_id);
-
- /*
- * scan for RCD command in extended SenseID data
- */
- ciw = ccw_device_get_ciw(cdev, CIW_TYPE_RCD);
- if (!ciw || ciw->cmd == 0)
- return -EOPNOTSUPP;
-
- /* Adjust requested path mask to excluded varied off paths. */
- if (lpm) {
- lpm &= sch->opm;
- if (lpm == 0)
- return -EACCES;
- }
-
- rcd_ccw = kzalloc(sizeof(struct ccw1), GFP_KERNEL | GFP_DMA);
- if (!rcd_ccw)
- return -ENOMEM;
- rcd_buf = kzalloc(ciw->count, GFP_KERNEL | GFP_DMA);
- if (!rcd_buf) {
- kfree(rcd_ccw);
- return -ENOMEM;
- }
- rcd_ccw->cmd_code = ciw->cmd;
- rcd_ccw->cda = (__u32) __pa (rcd_buf);
- rcd_ccw->count = ciw->count;
- rcd_ccw->flags = CCW_FLAG_SLI;
-
- spin_lock_irq(sch->lock);
- /* Save interrupt handler. */
- handler = cdev->handler;
- /* Temporarily install own handler. */
- cdev->handler = ccw_device_wake_up;
- if (cdev->private->state != DEV_STATE_ONLINE)
- ret = -ENODEV;
- else if (((sch->schib.scsw.stctl & SCSW_STCTL_PRIM_STATUS) &&
- !(sch->schib.scsw.stctl & SCSW_STCTL_SEC_STATUS)) ||
- cdev->private->flags.doverify)
- ret = -EBUSY;
- else
- /* 0x00D9C3C4 == ebcdic "RCD" */
- ret = __ccw_device_retry_loop(cdev, rcd_ccw, 0x00D9C3C4, lpm);
-
- /* Restore interrupt handler. */
- cdev->handler = handler;
- spin_unlock_irq(sch->lock);
-
- /*
- * on success we update the user input parms
- */
- if (ret) {
- kfree (rcd_buf);
- *buffer = NULL;
- *length = 0;
- } else {
- *length = ciw->count;
- *buffer = rcd_buf;
- }
- kfree(rcd_ccw);
-
- return ret;
-}
-
-/*
- * Read Configuration data
- */
-int
-read_conf_data (struct ccw_device *cdev, void **buffer, int *length)
-{
- return read_conf_data_lpm (cdev, buffer, length, 0);
-}
-
/*
* Try to break the lock on a boxed device.
*/
@@ -635,12 +388,6 @@ _ccw_device_get_subchannel_number(struct ccw_device *cdev)
return cdev->private->schid.sch_no;
}
-int
-_ccw_device_get_device_number(struct ccw_device *cdev)
-{
- return cdev->private->dev_id.devno;
-}
-
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(ccw_device_set_options_mask);
@@ -655,9 +402,5 @@ EXPORT_SYMBOL(ccw_device_start_timeout_key);
EXPORT_SYMBOL(ccw_device_start_key);
EXPORT_SYMBOL(ccw_device_get_ciw);
EXPORT_SYMBOL(ccw_device_get_path_mask);
-EXPORT_SYMBOL(read_conf_data);
-EXPORT_SYMBOL(read_dev_chars);
EXPORT_SYMBOL(_ccw_device_get_subchannel_number);
-EXPORT_SYMBOL(_ccw_device_get_device_number);
EXPORT_SYMBOL_GPL(ccw_device_get_chp_desc);
-EXPORT_SYMBOL_GPL(read_conf_data_lpm);
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index e70aeb7a3781..d8d479876ec7 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -81,6 +81,7 @@ static __u32 volatile spare_indicator;
static atomic_t spare_indicator_usecount;
#define QDIO_MEMPOOL_SCSSC_ELEMENTS 2
static mempool_t *qdio_mempool_scssc;
+static struct kmem_cache *qdio_q_cache;
static debug_info_t *qdio_dbf_setup;
static debug_info_t *qdio_dbf_sbal;
@@ -166,9 +167,9 @@ qdio_check_ccq(struct qdio_q *q, unsigned int ccq)
{
char dbf_text[15];
- if (ccq == 0 || ccq == 32 || ccq == 96)
+ if (ccq == 0 || ccq == 32)
return 0;
- if (ccq == 97)
+ if (ccq == 96 || ccq == 97)
return 1;
/*notify devices immediately*/
sprintf(dbf_text,"%d", ccq);
@@ -194,6 +195,8 @@ qdio_do_eqbs(struct qdio_q *q, unsigned char *state,
again:
ccq = do_eqbs(irq->sch_token, state, q_no, start, cnt);
rc = qdio_check_ccq(q, ccq);
+ if ((ccq == 96) && (tmp_cnt != *cnt))
+ rc = 0;
if (rc == 1) {
QDIO_DBF_TEXT5(1,trace,"eqAGAIN");
goto again;
@@ -739,7 +742,8 @@ qdio_get_outbound_buffer_frontier(struct qdio_q *q)
first_not_to_check=f+qdio_min(atomic_read(&q->number_of_buffers_used),
(QDIO_MAX_BUFFERS_PER_Q-1));
- if ((!q->is_iqdio_q)&&(!q->hydra_gives_outbound_pcis))
+ if (((!q->is_iqdio_q) && (!q->hydra_gives_outbound_pcis)) ||
+ (q->queue_type == QDIO_IQDIO_QFMT_ASYNCH))
SYNC_MEMORY;
check_next:
@@ -1617,23 +1621,21 @@ static void
qdio_release_irq_memory(struct qdio_irq *irq_ptr)
{
int i;
+ struct qdio_q *q;
- for (i=0;i<QDIO_MAX_QUEUES_PER_IRQ;i++) {
- if (!irq_ptr->input_qs[i])
- goto next;
-
- kfree(irq_ptr->input_qs[i]->slib);
- kfree(irq_ptr->input_qs[i]);
-
-next:
- if (!irq_ptr->output_qs[i])
- continue;
-
- kfree(irq_ptr->output_qs[i]->slib);
- kfree(irq_ptr->output_qs[i]);
-
+ for (i = 0; i < QDIO_MAX_QUEUES_PER_IRQ; i++) {
+ q = irq_ptr->input_qs[i];
+ if (q) {
+ free_page((unsigned long) q->slib);
+ kmem_cache_free(qdio_q_cache, q);
+ }
+ q = irq_ptr->output_qs[i];
+ if (q) {
+ free_page((unsigned long) q->slib);
+ kmem_cache_free(qdio_q_cache, q);
+ }
}
- kfree(irq_ptr->qdr);
+ free_page((unsigned long) irq_ptr->qdr);
free_page((unsigned long) irq_ptr);
}
@@ -1680,44 +1682,35 @@ qdio_alloc_qs(struct qdio_irq *irq_ptr,
{
int i;
struct qdio_q *q;
- int result=-ENOMEM;
- for (i=0;i<no_input_qs;i++) {
- q = kzalloc(sizeof(struct qdio_q), GFP_KERNEL);
-
- if (!q) {
- QDIO_PRINT_ERR("kmalloc of q failed!\n");
- goto out;
- }
+ for (i = 0; i < no_input_qs; i++) {
+ q = kmem_cache_alloc(qdio_q_cache, GFP_KERNEL);
+ if (!q)
+ return -ENOMEM;
+ memset(q, 0, sizeof(*q));
- q->slib = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ q->slib = (struct slib *) __get_free_page(GFP_KERNEL);
if (!q->slib) {
- QDIO_PRINT_ERR("kmalloc of slib failed!\n");
- goto out;
+ kmem_cache_free(qdio_q_cache, q);
+ return -ENOMEM;
}
-
irq_ptr->input_qs[i]=q;
}
- for (i=0;i<no_output_qs;i++) {
- q = kzalloc(sizeof(struct qdio_q), GFP_KERNEL);
-
- if (!q) {
- goto out;
- }
+ for (i = 0; i < no_output_qs; i++) {
+ q = kmem_cache_alloc(qdio_q_cache, GFP_KERNEL);
+ if (!q)
+ return -ENOMEM;
+ memset(q, 0, sizeof(*q));
- q->slib=kmalloc(PAGE_SIZE,GFP_KERNEL);
+ q->slib = (struct slib *) __get_free_page(GFP_KERNEL);
if (!q->slib) {
- QDIO_PRINT_ERR("kmalloc of slib failed!\n");
- goto out;
+ kmem_cache_free(qdio_q_cache, q);
+ return -ENOMEM;
}
-
irq_ptr->output_qs[i]=q;
}
-
- result=0;
-out:
- return result;
+ return 0;
}
static void
@@ -2306,8 +2299,8 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
if (!ssqd_area) {
QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \
"SIGAs for sch x%x.\n", irq_ptr->schid.sch_no);
- irq_ptr->qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY ||
- CHSC_FLAG_SIGA_OUTPUT_NECESSARY ||
+ irq_ptr->qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
+ CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */
irq_ptr->is_qebsm = 0;
irq_ptr->sch_token = 0;
@@ -2328,8 +2321,8 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
QDIO_PRINT_WARN("CHSC returned cc %i. Using all " \
"SIGAs for sch 0.%x.%x.\n", result,
irq_ptr->schid.ssid, irq_ptr->schid.sch_no);
- qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY ||
- CHSC_FLAG_SIGA_OUTPUT_NECESSARY ||
+ qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
+ CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */
irq_ptr->is_qebsm = 0;
goto out;
@@ -2340,8 +2333,8 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
"is 0x%x. Using all SIGAs for sch 0.%x.%x.\n",
ssqd_area->response.code,
irq_ptr->schid.ssid, irq_ptr->schid.sch_no);
- qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY ||
- CHSC_FLAG_SIGA_OUTPUT_NECESSARY ||
+ qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY |
+ CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */
irq_ptr->is_qebsm = 0;
goto out;
@@ -2985,17 +2978,17 @@ qdio_allocate(struct qdio_initialize *init_data)
QDIO_DBF_HEX0(0,setup,&irq_ptr,sizeof(void*));
if (!irq_ptr) {
- QDIO_PRINT_ERR("kmalloc of irq_ptr failed!\n");
+ QDIO_PRINT_ERR("allocation of irq_ptr failed!\n");
return -ENOMEM;
}
init_MUTEX(&irq_ptr->setting_up_sema);
/* QDR must be in DMA area since CCW data address is only 32 bit */
- irq_ptr->qdr=kmalloc(sizeof(struct qdr), GFP_KERNEL | GFP_DMA);
+ irq_ptr->qdr = (struct qdr *) __get_free_page(GFP_KERNEL | GFP_DMA);
if (!(irq_ptr->qdr)) {
free_page((unsigned long) irq_ptr);
- QDIO_PRINT_ERR("kmalloc of irq_ptr->qdr failed!\n");
+ QDIO_PRINT_ERR("allocation of irq_ptr->qdr failed!\n");
return -ENOMEM;
}
QDIO_DBF_TEXT0(0,setup,"qdr:");
@@ -3004,6 +2997,7 @@ qdio_allocate(struct qdio_initialize *init_data)
if (qdio_alloc_qs(irq_ptr,
init_data->no_input_qs,
init_data->no_output_qs)) {
+ QDIO_PRINT_ERR("queue allocation failed!\n");
qdio_release_irq_memory(irq_ptr);
return -ENOMEM;
}
@@ -3895,9 +3889,19 @@ init_QDIO(void)
if (res)
return res;
+ qdio_q_cache = kmem_cache_create("qdio_q", sizeof(struct qdio_q),
+ 256, 0, NULL);
+ if (!qdio_q_cache) {
+ qdio_release_qdio_memory();
+ return -ENOMEM;
+ }
+
res = qdio_register_dbf_views();
- if (res)
+ if (res) {
+ kmem_cache_destroy(qdio_q_cache);
+ qdio_release_qdio_memory();
return res;
+ }
QDIO_DBF_TEXT0(0,setup,"initQDIO");
res = bus_create_file(&ccw_bus_type, &bus_attr_qdio_performance_stats);
@@ -3929,6 +3933,7 @@ cleanup_QDIO(void)
qdio_release_qdio_memory();
qdio_unregister_dbf_views();
mempool_destroy(qdio_mempool_scssc);
+ kmem_cache_destroy(qdio_q_cache);
bus_remove_file(&ccw_bus_type, &bus_attr_qdio_performance_stats);
printk("qdio: %s: module removed\n",version);
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-20 23:08:20 +0000