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-rw-r--r--drivers/s390/block/dasd.c9
-rw-r--r--drivers/s390/block/dasd_3990_erp.c6
-rw-r--r--drivers/s390/block/dasd_eckd.c294
-rw-r--r--drivers/s390/block/dasd_eckd.h13
-rw-r--r--drivers/s390/block/dasd_erp.c8
-rw-r--r--drivers/s390/block/dasd_genhd.c1
-rw-r--r--drivers/s390/block/dasd_int.h11
-rw-r--r--drivers/s390/block/dasd_ioctl.c4
-rw-r--r--drivers/s390/block/dcssblk.c7
9 files changed, 175 insertions, 178 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index e34c6cc61983..8e87a31e329d 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2077,12 +2077,15 @@ static void __dasd_device_check_path_events(struct dasd_device *device)
if (device->stopped & ~(DASD_STOPPED_DC_WAIT))
return;
+
+ dasd_path_clear_all_verify(device);
+ dasd_path_clear_all_fcsec(device);
+
rc = device->discipline->pe_handler(device, tbvpm, fcsecpm);
if (rc) {
+ dasd_path_add_tbvpm(device, tbvpm);
+ dasd_path_add_fcsecpm(device, fcsecpm);
dasd_device_set_timer(device, 50);
- } else {
- dasd_path_clear_all_verify(device);
- dasd_path_clear_all_fcsec(device);
}
};
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 4691a3c35d72..299001ad9a32 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -201,7 +201,7 @@ dasd_3990_erp_DCTL(struct dasd_ccw_req * erp, char modifier)
struct ccw1 *ccw;
struct dasd_ccw_req *dctl_cqr;
- dctl_cqr = dasd_alloc_erp_request((char *) &erp->magic, 1,
+ dctl_cqr = dasd_alloc_erp_request(erp->magic, 1,
sizeof(struct DCTL_data),
device);
if (IS_ERR(dctl_cqr)) {
@@ -1652,7 +1652,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
}
/* Build new ERP request including DE/LO */
- erp = dasd_alloc_erp_request((char *) &cqr->magic,
+ erp = dasd_alloc_erp_request(cqr->magic,
2 + 1,/* DE/LO + TIC */
sizeof(struct DE_eckd_data) +
sizeof(struct LO_eckd_data), device);
@@ -2388,7 +2388,7 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
}
/* allocate additional request block */
- erp = dasd_alloc_erp_request((char *) &cqr->magic,
+ erp = dasd_alloc_erp_request(cqr->magic,
cplength, datasize, device);
if (IS_ERR(erp)) {
if (cqr->retries <= 0) {
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 460e0f1cca53..8410a25a65c1 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -560,8 +560,8 @@ static int prefix_LRE(struct ccw1 *ccw, struct PFX_eckd_data *pfxdata,
return -EINVAL;
}
pfxdata->format = format;
- pfxdata->base_address = basepriv->ned->unit_addr;
- pfxdata->base_lss = basepriv->ned->ID;
+ pfxdata->base_address = basepriv->conf.ned->unit_addr;
+ pfxdata->base_lss = basepriv->conf.ned->ID;
pfxdata->validity.define_extent = 1;
/* private uid is kept up to date, conf_data may be outdated */
@@ -736,32 +736,30 @@ dasd_eckd_cdl_reclen(int recid)
return LABEL_SIZE;
}
/* create unique id from private structure. */
-static void create_uid(struct dasd_eckd_private *private)
+static void create_uid(struct dasd_conf *conf, struct dasd_uid *uid)
{
int count;
- struct dasd_uid *uid;
- uid = &private->uid;
memset(uid, 0, sizeof(struct dasd_uid));
- memcpy(uid->vendor, private->ned->HDA_manufacturer,
+ memcpy(uid->vendor, conf->ned->HDA_manufacturer,
sizeof(uid->vendor) - 1);
EBCASC(uid->vendor, sizeof(uid->vendor) - 1);
- memcpy(uid->serial, &private->ned->serial,
+ memcpy(uid->serial, &conf->ned->serial,
sizeof(uid->serial) - 1);
EBCASC(uid->serial, sizeof(uid->serial) - 1);
- uid->ssid = private->gneq->subsystemID;
- uid->real_unit_addr = private->ned->unit_addr;
- if (private->sneq) {
- uid->type = private->sneq->sua_flags;
+ uid->ssid = conf->gneq->subsystemID;
+ uid->real_unit_addr = conf->ned->unit_addr;
+ if (conf->sneq) {
+ uid->type = conf->sneq->sua_flags;
if (uid->type == UA_BASE_PAV_ALIAS)
- uid->base_unit_addr = private->sneq->base_unit_addr;
+ uid->base_unit_addr = conf->sneq->base_unit_addr;
} else {
uid->type = UA_BASE_DEVICE;
}
- if (private->vdsneq) {
+ if (conf->vdsneq) {
for (count = 0; count < 16; count++) {
sprintf(uid->vduit+2*count, "%02x",
- private->vdsneq->uit[count]);
+ conf->vdsneq->uit[count]);
}
}
}
@@ -776,10 +774,10 @@ static int dasd_eckd_generate_uid(struct dasd_device *device)
if (!private)
return -ENODEV;
- if (!private->ned || !private->gneq)
+ if (!private->conf.ned || !private->conf.gneq)
return -ENODEV;
spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
- create_uid(private);
+ create_uid(&private->conf, &private->uid);
spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
return 0;
}
@@ -803,14 +801,15 @@ static int dasd_eckd_get_uid(struct dasd_device *device, struct dasd_uid *uid)
* return 0 for match
*/
static int dasd_eckd_compare_path_uid(struct dasd_device *device,
- struct dasd_eckd_private *private)
+ struct dasd_conf *path_conf)
{
struct dasd_uid device_uid;
+ struct dasd_uid path_uid;
- create_uid(private);
+ create_uid(path_conf, &path_uid);
dasd_eckd_get_uid(device, &device_uid);
- return memcmp(&device_uid, &private->uid, sizeof(struct dasd_uid));
+ return memcmp(&device_uid, &path_uid, sizeof(struct dasd_uid));
}
static void dasd_eckd_fill_rcd_cqr(struct dasd_device *device,
@@ -946,34 +945,34 @@ out_error:
return ret;
}
-static int dasd_eckd_identify_conf_parts(struct dasd_eckd_private *private)
+static int dasd_eckd_identify_conf_parts(struct dasd_conf *conf)
{
struct dasd_sneq *sneq;
int i, count;
- private->ned = NULL;
- private->sneq = NULL;
- private->vdsneq = NULL;
- private->gneq = NULL;
- count = private->conf_len / sizeof(struct dasd_sneq);
- sneq = (struct dasd_sneq *)private->conf_data;
+ conf->ned = NULL;
+ conf->sneq = NULL;
+ conf->vdsneq = NULL;
+ conf->gneq = NULL;
+ count = conf->len / sizeof(struct dasd_sneq);
+ sneq = (struct dasd_sneq *)conf->data;
for (i = 0; i < count; ++i) {
if (sneq->flags.identifier == 1 && sneq->format == 1)
- private->sneq = sneq;
+ conf->sneq = sneq;
else if (sneq->flags.identifier == 1 && sneq->format == 4)
- private->vdsneq = (struct vd_sneq *)sneq;
+ conf->vdsneq = (struct vd_sneq *)sneq;
else if (sneq->flags.identifier == 2)
- private->gneq = (struct dasd_gneq *)sneq;
+ conf->gneq = (struct dasd_gneq *)sneq;
else if (sneq->flags.identifier == 3 && sneq->res1 == 1)
- private->ned = (struct dasd_ned *)sneq;
+ conf->ned = (struct dasd_ned *)sneq;
sneq++;
}
- if (!private->ned || !private->gneq) {
- private->ned = NULL;
- private->sneq = NULL;
- private->vdsneq = NULL;
- private->gneq = NULL;
+ if (!conf->ned || !conf->gneq) {
+ conf->ned = NULL;
+ conf->sneq = NULL;
+ conf->vdsneq = NULL;
+ conf->gneq = NULL;
return -EINVAL;
}
return 0;
@@ -1016,9 +1015,9 @@ static void dasd_eckd_store_conf_data(struct dasd_device *device,
* with the new one if this points to the same data
*/
cdp = device->path[chp].conf_data;
- if (private->conf_data == cdp) {
- private->conf_data = (void *)conf_data;
- dasd_eckd_identify_conf_parts(private);
+ if (private->conf.data == cdp) {
+ private->conf.data = (void *)conf_data;
+ dasd_eckd_identify_conf_parts(&private->conf);
}
ccw_device_get_schid(device->cdev, &sch_id);
device->path[chp].conf_data = conf_data;
@@ -1036,8 +1035,8 @@ static void dasd_eckd_clear_conf_data(struct dasd_device *device)
struct dasd_eckd_private *private = device->private;
int i;
- private->conf_data = NULL;
- private->conf_len = 0;
+ private->conf.data = NULL;
+ private->conf.len = 0;
for (i = 0; i < 8; i++) {
kfree(device->path[i].conf_data);
device->path[i].conf_data = NULL;
@@ -1071,15 +1070,55 @@ static void dasd_eckd_read_fc_security(struct dasd_device *device)
}
}
+static void dasd_eckd_get_uid_string(struct dasd_conf *conf,
+ char *print_uid)
+{
+ struct dasd_uid uid;
+
+ create_uid(conf, &uid);
+ if (strlen(uid.vduit) > 0)
+ snprintf(print_uid, sizeof(*print_uid),
+ "%s.%s.%04x.%02x.%s",
+ uid.vendor, uid.serial, uid.ssid,
+ uid.real_unit_addr, uid.vduit);
+ else
+ snprintf(print_uid, sizeof(*print_uid),
+ "%s.%s.%04x.%02x",
+ uid.vendor, uid.serial, uid.ssid,
+ uid.real_unit_addr);
+}
+
+static int dasd_eckd_check_cabling(struct dasd_device *device,
+ void *conf_data, __u8 lpm)
+{
+ struct dasd_eckd_private *private = device->private;
+ char print_path_uid[60], print_device_uid[60];
+ struct dasd_conf path_conf;
+
+ path_conf.data = conf_data;
+ path_conf.len = DASD_ECKD_RCD_DATA_SIZE;
+ if (dasd_eckd_identify_conf_parts(&path_conf))
+ return 1;
+
+ if (dasd_eckd_compare_path_uid(device, &path_conf)) {
+ dasd_eckd_get_uid_string(&path_conf, print_path_uid);
+ dasd_eckd_get_uid_string(&private->conf, print_device_uid);
+ dev_err(&device->cdev->dev,
+ "Not all channel paths lead to the same device, path %02X leads to device %s instead of %s\n",
+ lpm, print_path_uid, print_device_uid);
+ return 1;
+ }
+
+ return 0;
+}
+
static int dasd_eckd_read_conf(struct dasd_device *device)
{
void *conf_data;
int conf_len, conf_data_saved;
int rc, path_err, pos;
__u8 lpm, opm;
- struct dasd_eckd_private *private, path_private;
- struct dasd_uid *uid;
- char print_path_uid[60], print_device_uid[60];
+ struct dasd_eckd_private *private;
private = device->private;
opm = ccw_device_get_path_mask(device->cdev);
@@ -1109,11 +1148,11 @@ static int dasd_eckd_read_conf(struct dasd_device *device)
if (!conf_data_saved) {
/* initially clear previously stored conf_data */
dasd_eckd_clear_conf_data(device);
- private->conf_data = conf_data;
- private->conf_len = conf_len;
- if (dasd_eckd_identify_conf_parts(private)) {
- private->conf_data = NULL;
- private->conf_len = 0;
+ private->conf.data = conf_data;
+ private->conf.len = conf_len;
+ if (dasd_eckd_identify_conf_parts(&private->conf)) {
+ private->conf.data = NULL;
+ private->conf.len = 0;
kfree(conf_data);
continue;
}
@@ -1123,59 +1162,11 @@ static int dasd_eckd_read_conf(struct dasd_device *device)
*/
dasd_eckd_generate_uid(device);
conf_data_saved++;
- } else {
- path_private.conf_data = conf_data;
- path_private.conf_len = DASD_ECKD_RCD_DATA_SIZE;
- if (dasd_eckd_identify_conf_parts(
- &path_private)) {
- path_private.conf_data = NULL;
- path_private.conf_len = 0;
- kfree(conf_data);
- continue;
- }
- if (dasd_eckd_compare_path_uid(
- device, &path_private)) {
- uid = &path_private.uid;
- if (strlen(uid->vduit) > 0)
- snprintf(print_path_uid,
- sizeof(print_path_uid),
- "%s.%s.%04x.%02x.%s",
- uid->vendor, uid->serial,
- uid->ssid, uid->real_unit_addr,
- uid->vduit);
- else
- snprintf(print_path_uid,
- sizeof(print_path_uid),
- "%s.%s.%04x.%02x",
- uid->vendor, uid->serial,
- uid->ssid,
- uid->real_unit_addr);
- uid = &private->uid;
- if (strlen(uid->vduit) > 0)
- snprintf(print_device_uid,
- sizeof(print_device_uid),
- "%s.%s.%04x.%02x.%s",
- uid->vendor, uid->serial,
- uid->ssid, uid->real_unit_addr,
- uid->vduit);
- else
- snprintf(print_device_uid,
- sizeof(print_device_uid),
- "%s.%s.%04x.%02x",
- uid->vendor, uid->serial,
- uid->ssid,
- uid->real_unit_addr);
- dev_err(&device->cdev->dev,
- "Not all channel paths lead to "
- "the same device, path %02X leads to "
- "device %s instead of %s\n", lpm,
- print_path_uid, print_device_uid);
- path_err = -EINVAL;
- dasd_path_add_cablepm(device, lpm);
- continue;
- }
- path_private.conf_data = NULL;
- path_private.conf_len = 0;
+ } else if (dasd_eckd_check_cabling(device, conf_data, lpm)) {
+ dasd_path_add_cablepm(device, lpm);
+ path_err = -EINVAL;
+ kfree(conf_data);
+ continue;
}
pos = pathmask_to_pos(lpm);
@@ -1197,8 +1188,6 @@ static int dasd_eckd_read_conf(struct dasd_device *device)
}
}
- dasd_eckd_read_fc_security(device);
-
return path_err;
}
@@ -1213,7 +1202,7 @@ static u32 get_fcx_max_data(struct dasd_device *device)
return 0;
/* is transport mode supported? */
fcx_in_css = css_general_characteristics.fcx;
- fcx_in_gneq = private->gneq->reserved2[7] & 0x04;
+ fcx_in_gneq = private->conf.gneq->reserved2[7] & 0x04;
fcx_in_features = private->features.feature[40] & 0x80;
tpm = fcx_in_css && fcx_in_gneq && fcx_in_features;
@@ -1282,9 +1271,9 @@ static int rebuild_device_uid(struct dasd_device *device,
"returned error %d", rc);
break;
}
- memcpy(private->conf_data, data->rcd_buffer,
+ memcpy(private->conf.data, data->rcd_buffer,
DASD_ECKD_RCD_DATA_SIZE);
- if (dasd_eckd_identify_conf_parts(private)) {
+ if (dasd_eckd_identify_conf_parts(&private->conf)) {
rc = -ENODEV;
} else /* first valid path is enough */
break;
@@ -1299,11 +1288,10 @@ static int rebuild_device_uid(struct dasd_device *device,
static void dasd_eckd_path_available_action(struct dasd_device *device,
struct pe_handler_work_data *data)
{
- struct dasd_eckd_private path_private;
- struct dasd_uid *uid;
__u8 path_rcd_buf[DASD_ECKD_RCD_DATA_SIZE];
__u8 lpm, opm, npm, ppm, epm, hpfpm, cablepm;
struct dasd_conf_data *conf_data;
+ struct dasd_conf path_conf;
unsigned long flags;
char print_uid[60];
int rc, pos;
@@ -1367,11 +1355,11 @@ static void dasd_eckd_path_available_action(struct dasd_device *device,
*/
memcpy(&path_rcd_buf, data->rcd_buffer,
DASD_ECKD_RCD_DATA_SIZE);
- path_private.conf_data = (void *) &path_rcd_buf;
- path_private.conf_len = DASD_ECKD_RCD_DATA_SIZE;
- if (dasd_eckd_identify_conf_parts(&path_private)) {
- path_private.conf_data = NULL;
- path_private.conf_len = 0;
+ path_conf.data = (void *)&path_rcd_buf;
+ path_conf.len = DASD_ECKD_RCD_DATA_SIZE;
+ if (dasd_eckd_identify_conf_parts(&path_conf)) {
+ path_conf.data = NULL;
+ path_conf.len = 0;
continue;
}
@@ -1382,7 +1370,7 @@ static void dasd_eckd_path_available_action(struct dasd_device *device,
* the first working path UID will be used as device UID
*/
if (dasd_path_get_opm(device) &&
- dasd_eckd_compare_path_uid(device, &path_private)) {
+ dasd_eckd_compare_path_uid(device, &path_conf)) {
/*
* the comparison was not successful
* rebuild the device UID with at least one
@@ -1396,20 +1384,8 @@ static void dasd_eckd_path_available_action(struct dasd_device *device,
*/
if (rebuild_device_uid(device, data) ||
dasd_eckd_compare_path_uid(
- device, &path_private)) {
- uid = &path_private.uid;
- if (strlen(uid->vduit) > 0)
- snprintf(print_uid, sizeof(print_uid),
- "%s.%s.%04x.%02x.%s",
- uid->vendor, uid->serial,
- uid->ssid, uid->real_unit_addr,
- uid->vduit);
- else
- snprintf(print_uid, sizeof(print_uid),
- "%s.%s.%04x.%02x",
- uid->vendor, uid->serial,
- uid->ssid,
- uid->real_unit_addr);
+ device, &path_conf)) {
+ dasd_eckd_get_uid_string(&path_conf, print_uid);
dev_err(&device->cdev->dev,
"The newly added channel path %02X "
"will not be used because it leads "
@@ -1427,6 +1403,14 @@ static void dasd_eckd_path_available_action(struct dasd_device *device,
if (conf_data) {
memcpy(conf_data, data->rcd_buffer,
DASD_ECKD_RCD_DATA_SIZE);
+ } else {
+ /*
+ * path is operational but path config data could not
+ * be stored due to low mem condition
+ * add it to the error path mask and schedule a path
+ * verification later that this could be added again
+ */
+ epm |= lpm;
}
pos = pathmask_to_pos(lpm);
dasd_eckd_store_conf_data(device, conf_data, pos);
@@ -1447,7 +1431,10 @@ static void dasd_eckd_path_available_action(struct dasd_device *device,
}
dasd_path_add_nppm(device, npm);
dasd_path_add_ppm(device, ppm);
- dasd_path_add_tbvpm(device, epm);
+ if (epm) {
+ dasd_path_add_tbvpm(device, epm);
+ dasd_device_set_timer(device, 50);
+ }
dasd_path_add_cablepm(device, cablepm);
dasd_path_add_nohpfpm(device, hpfpm);
spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
@@ -1625,8 +1612,8 @@ static int dasd_eckd_read_vol_info(struct dasd_device *device)
prssdp = cqr->data;
prssdp->order = PSF_ORDER_PRSSD;
prssdp->suborder = PSF_SUBORDER_VSQ; /* Volume Storage Query */
- prssdp->lss = private->ned->ID;
- prssdp->volume = private->ned->unit_addr;
+ prssdp->lss = private->conf.ned->ID;
+ prssdp->volume = private->conf.ned->unit_addr;
ccw = cqr->cpaddr;
ccw->cmd_code = DASD_ECKD_CCW_PSF;
@@ -2085,11 +2072,11 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
device->path_thrhld = DASD_ECKD_PATH_THRHLD;
device->path_interval = DASD_ECKD_PATH_INTERVAL;
- if (private->gneq) {
+ if (private->conf.gneq) {
value = 1;
- for (i = 0; i < private->gneq->timeout.value; i++)
+ for (i = 0; i < private->conf.gneq->timeout.value; i++)
value = 10 * value;
- value = value * private->gneq->timeout.number;
+ value = value * private->conf.gneq->timeout.number;
/* do not accept useless values */
if (value != 0 && value <= DASD_EXPIRES_MAX)
device->default_expires = value;
@@ -2121,6 +2108,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
if (rc)
goto out_err3;
+ dasd_eckd_read_fc_security(device);
dasd_path_create_kobjects(device);
/* Read Feature Codes */
@@ -2195,10 +2183,10 @@ static void dasd_eckd_uncheck_device(struct dasd_device *device)
return;
dasd_alias_disconnect_device_from_lcu(device);
- private->ned = NULL;
- private->sneq = NULL;
- private->vdsneq = NULL;
- private->gneq = NULL;
+ private->conf.ned = NULL;
+ private->conf.sneq = NULL;
+ private->conf.vdsneq = NULL;
+ private->conf.gneq = NULL;
dasd_eckd_clear_conf_data(device);
dasd_path_remove_kobjects(device);
}
@@ -3750,8 +3738,8 @@ dasd_eckd_dso_ras(struct dasd_device *device, struct dasd_block *block,
* subset.
*/
ras_data->op_flags.guarantee_init = !!(features->feature[56] & 0x01);
- ras_data->lss = private->ned->ID;
- ras_data->dev_addr = private->ned->unit_addr;
+ ras_data->lss = private->conf.ned->ID;
+ ras_data->dev_addr = private->conf.ned->unit_addr;
ras_data->nr_exts = nr_exts;
if (by_extent) {
@@ -4293,8 +4281,8 @@ static int prepare_itcw(struct itcw *itcw,
memset(&pfxdata, 0, sizeof(pfxdata));
pfxdata.format = 1; /* PFX with LRE */
- pfxdata.base_address = basepriv->ned->unit_addr;
- pfxdata.base_lss = basepriv->ned->ID;
+ pfxdata.base_address = basepriv->conf.ned->unit_addr;
+ pfxdata.base_lss = basepriv->conf.ned->ID;
pfxdata.validity.define_extent = 1;
/* private uid is kept up to date, conf_data may be outdated */
@@ -4963,9 +4951,9 @@ dasd_eckd_fill_info(struct dasd_device * device,
info->characteristics_size = sizeof(private->rdc_data);
memcpy(info->characteristics, &private->rdc_data,
sizeof(private->rdc_data));
- info->confdata_size = min((unsigned long)private->conf_len,
- sizeof(info->configuration_data));
- memcpy(info->configuration_data, private->conf_data,
+ info->confdata_size = min_t(unsigned long, private->conf.len,
+ sizeof(info->configuration_data));
+ memcpy(info->configuration_data, private->conf.data,
info->confdata_size);
return 0;
}
@@ -5808,6 +5796,8 @@ static int dasd_eckd_reload_device(struct dasd_device *device)
if (rc)
goto out_err;
+ dasd_eckd_read_fc_security(device);
+
rc = dasd_eckd_generate_uid(device);
if (rc)
goto out_err;
@@ -5820,15 +5810,7 @@ static int dasd_eckd_reload_device(struct dasd_device *device)
dasd_eckd_get_uid(device, &uid);
if (old_base != uid.base_unit_addr) {
- if (strlen(uid.vduit) > 0)
- snprintf(print_uid, sizeof(print_uid),
- "%s.%s.%04x.%02x.%s", uid.vendor, uid.serial,
- uid.ssid, uid.base_unit_addr, uid.vduit);
- else
- snprintf(print_uid, sizeof(print_uid),
- "%s.%s.%04x.%02x", uid.vendor, uid.serial,
- uid.ssid, uid.base_unit_addr);
-
+ dasd_eckd_get_uid_string(&private->conf, print_uid);
dev_info(&device->cdev->dev,
"An Alias device was reassigned to a new base device "
"with UID: %s\n", print_uid);
@@ -5966,8 +5948,8 @@ static int dasd_eckd_query_host_access(struct dasd_device *device,
prssdp->order = PSF_ORDER_PRSSD;
prssdp->suborder = PSF_SUBORDER_QHA; /* query host access */
/* LSS and Volume that will be queried */
- prssdp->lss = private->ned->ID;
- prssdp->volume = private->ned->unit_addr;
+ prssdp->lss = private->conf.ned->ID;
+ prssdp->volume = private->conf.ned->unit_addr;
/* all other bytes of prssdp must be zero */
ccw = cqr->cpaddr;
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 65e4630ad2ae..a91b265441cc 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -658,16 +658,19 @@ struct dasd_conf_data {
struct dasd_gneq gneq;
} __packed;
-struct dasd_eckd_private {
- struct dasd_eckd_characteristics rdc_data;
- u8 *conf_data;
- int conf_len;
-
+struct dasd_conf {
+ u8 *data;
+ int len;
/* pointers to specific parts in the conf_data */
struct dasd_ned *ned;
struct dasd_sneq *sneq;
struct vd_sneq *vdsneq;
struct dasd_gneq *gneq;
+};
+
+struct dasd_eckd_private {
+ struct dasd_eckd_characteristics rdc_data;
+ struct dasd_conf conf;
struct eckd_count count_area[5];
int init_cqr_status;
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index ba4fa372d02d..c07e6e713518 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -24,7 +24,7 @@
#include "dasd_int.h"
struct dasd_ccw_req *
-dasd_alloc_erp_request(char *magic, int cplength, int datasize,
+dasd_alloc_erp_request(unsigned int magic, int cplength, int datasize,
struct dasd_device * device)
{
unsigned long flags;
@@ -33,8 +33,8 @@ dasd_alloc_erp_request(char *magic, int cplength, int datasize,
int size;
/* Sanity checks */
- BUG_ON( magic == NULL || datasize > PAGE_SIZE ||
- (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
+ BUG_ON(datasize > PAGE_SIZE ||
+ (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
size = (sizeof(struct dasd_ccw_req) + 7L) & -8L;
if (cplength > 0)
@@ -62,7 +62,7 @@ dasd_alloc_erp_request(char *magic, int cplength, int datasize,
cqr->data = data;
memset(cqr->data, 0, datasize);
}
- strncpy((char *) &cqr->magic, magic, 4);
+ cqr->magic = magic;
ASCEBC((char *) &cqr->magic, 4);
set_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
dasd_get_device(device);
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index fa966e0db6ca..3a6f3af240fa 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -14,6 +14,7 @@
#define KMSG_COMPONENT "dasd"
#include <linux/interrupt.h>
+#include <linux/major.h>
#include <linux/fs.h>
#include <linux/blkpg.h>
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 155428bfed8a..8b458010f88a 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -887,7 +887,7 @@ void dasd_proc_exit(void);
/* externals in dasd_erp.c */
struct dasd_ccw_req *dasd_default_erp_action(struct dasd_ccw_req *);
struct dasd_ccw_req *dasd_default_erp_postaction(struct dasd_ccw_req *);
-struct dasd_ccw_req *dasd_alloc_erp_request(char *, int, int,
+struct dasd_ccw_req *dasd_alloc_erp_request(unsigned int, int, int,
struct dasd_device *);
void dasd_free_erp_request(struct dasd_ccw_req *, struct dasd_device *);
void dasd_log_sense(struct dasd_ccw_req *, struct irb *);
@@ -1305,6 +1305,15 @@ static inline void dasd_path_add_ppm(struct dasd_device *device, __u8 pm)
dasd_path_preferred(device, chp);
}
+static inline void dasd_path_add_fcsecpm(struct dasd_device *device, __u8 pm)
+{
+ int chp;
+
+ for (chp = 0; chp < 8; chp++)
+ if (pm & (0x80 >> chp))
+ dasd_path_fcsec(device, chp);
+}
+
/*
* set functions for path masks
* the existing path mask will be replaced by the given path mask
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 468cbeb539ff..95349f95758c 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -650,8 +650,8 @@ int dasd_ioctl(struct block_device *bdev, fmode_t mode,
/**
* dasd_biodasdinfo() - fill out the dasd information structure
- * @disk [in]: pointer to gendisk structure that references a DASD
- * @info [out]: pointer to the dasd_information2_t structure
+ * @disk: [in] pointer to gendisk structure that references a DASD
+ * @info: [out] pointer to the dasd_information2_t structure
*
* Provide access to DASD specific information.
* The gendisk structure is checked if it belongs to the DASD driver by
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 5be3d1c39a78..59e513d34b0f 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -30,7 +30,7 @@
static int dcssblk_open(struct block_device *bdev, fmode_t mode);
static void dcssblk_release(struct gendisk *disk, fmode_t mode);
-static blk_qc_t dcssblk_submit_bio(struct bio *bio);
+static void dcssblk_submit_bio(struct bio *bio);
static long dcssblk_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
long nr_pages, void **kaddr, pfn_t *pfn);
@@ -854,7 +854,7 @@ dcssblk_release(struct gendisk *disk, fmode_t mode)
up_write(&dcssblk_devices_sem);
}
-static blk_qc_t
+static void
dcssblk_submit_bio(struct bio *bio)
{
struct dcssblk_dev_info *dev_info;
@@ -907,10 +907,9 @@ dcssblk_submit_bio(struct bio *bio)
bytes_done += bvec.bv_len;
}
bio_endio(bio);
- return BLK_QC_T_NONE;
+ return;
fail:
bio_io_error(bio);
- return BLK_QC_T_NONE;
}
static long