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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-06 14:45:32 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-06 14:45:32 -0800
commit02aedd69e2ef31b0fca1e8960cb1e7fd0c343110 (patch)
treec096ab87e0832e8ddda45241b422c0064cfe0cbb /drivers/s390
parent9ad0830f307bcd8dc285cfae58998d43b21727f4 (diff)
parent4d284cac76d0bfebc42d76b428c4e44d921200a9 (diff)
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (37 commits) [S390] Avoid excessive inlining. [S390] Mark kernel text section read-only. [S390] Convert memory detection into C code. [S390] Calibrate delay and bogomips. [S390] Hypervisor filesystem (s390_hypfs) for z/VM [S390] Add crypto support for 3592 tape devices [S390] boot from NSS support [S390] Support for s390 Pseudo Random Number Generator [S390] ETR support. [S390] noexec protection [S390] move crypto options and some cleanup. [S390] cio: Don't spam debug feature. [S390] Cleanup of CHSC event handling. [S390] cio: declare hardware structures packed. [S390] Add set_fs(USER_DS) to start_thread(). [S390] cio: Catch operand exceptions on stsch. [S390] Fix register usage description. [S390] kretprobe_trampoline_holder() in wrong section. [S390] Fix kprobes breakpoint handling. [S390] Update maintainers file. ...
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/Kconfig8
-rw-r--r--drivers/s390/Makefile2
-rw-r--r--drivers/s390/block/dasd.c33
-rw-r--r--drivers/s390/block/dasd_3990_erp.c5
-rw-r--r--drivers/s390/block/dasd_devmap.c6
-rw-r--r--drivers/s390/block/dasd_diag.c8
-rw-r--r--drivers/s390/block/dasd_eckd.c95
-rw-r--r--drivers/s390/block/dasd_eer.c24
-rw-r--r--drivers/s390/block/dasd_erp.c80
-rw-r--r--drivers/s390/block/dasd_fba.c4
-rw-r--r--drivers/s390/block/dasd_genhd.c2
-rw-r--r--drivers/s390/block/dasd_int.h1
-rw-r--r--drivers/s390/block/dasd_proc.c8
-rw-r--r--drivers/s390/block/dcssblk.c6
-rw-r--r--drivers/s390/char/Makefile4
-rw-r--r--drivers/s390/char/con3215.c2
-rw-r--r--drivers/s390/char/con3270.c3
-rw-r--r--drivers/s390/char/defkeymap.c2
-rw-r--r--drivers/s390/char/fs3270.c4
-rw-r--r--drivers/s390/char/keyboard.c2
-rw-r--r--drivers/s390/char/monwriter.c4
-rw-r--r--drivers/s390/char/raw3270.c4
-rw-r--r--drivers/s390/char/sclp.c93
-rw-r--r--drivers/s390/char/sclp.h18
-rw-r--r--drivers/s390/char/sclp_con.c2
-rw-r--r--drivers/s390/char/sclp_cpi.c2
-rw-r--r--drivers/s390/char/sclp_info.c57
-rw-r--r--drivers/s390/char/sclp_rw.c2
-rw-r--r--drivers/s390/char/sclp_tty.c2
-rw-r--r--drivers/s390/char/sclp_vt220.c4
-rw-r--r--drivers/s390/char/tape.h22
-rw-r--r--drivers/s390/char/tape_3590.c479
-rw-r--r--drivers/s390/char/tape_3590.h53
-rw-r--r--drivers/s390/char/tape_block.c4
-rw-r--r--drivers/s390/char/tape_char.c27
-rw-r--r--drivers/s390/char/tape_core.c69
-rw-r--r--drivers/s390/char/tty3270.c13
-rw-r--r--drivers/s390/char/vmlogrdr.c5
-rw-r--r--drivers/s390/cio/blacklist.c10
-rw-r--r--drivers/s390/cio/ccwgroup.c6
-rw-r--r--drivers/s390/cio/chsc.c270
-rw-r--r--drivers/s390/cio/chsc.h11
-rw-r--r--drivers/s390/cio/cio.c37
-rw-r--r--drivers/s390/cio/cmf.c4
-rw-r--r--drivers/s390/cio/css.c13
-rw-r--r--drivers/s390/cio/css.h2
-rw-r--r--drivers/s390/cio/device.c12
-rw-r--r--drivers/s390/cio/device.h2
-rw-r--r--drivers/s390/cio/device_fsm.c8
-rw-r--r--drivers/s390/cio/device_ops.c2
-rw-r--r--drivers/s390/cio/device_status.c8
-rw-r--r--drivers/s390/cio/qdio.c77
-rw-r--r--drivers/s390/crypto/ap_bus.c8
-rw-r--r--drivers/s390/crypto/zcrypt_api.c20
-rw-r--r--drivers/s390/crypto/zcrypt_pcica.c8
-rw-r--r--drivers/s390/crypto/zcrypt_pcixcc.c3
-rw-r--r--drivers/s390/net/claw.c16
-rw-r--r--drivers/s390/net/ctcmain.c8
-rw-r--r--drivers/s390/net/cu3088.c2
-rw-r--r--drivers/s390/net/lcs.c6
-rw-r--r--drivers/s390/net/netiucv.c4
-rw-r--r--drivers/s390/net/qeth_eddp.c28
-rw-r--r--drivers/s390/net/qeth_main.c92
-rw-r--r--drivers/s390/net/qeth_sys.c30
-rw-r--r--drivers/s390/s390mach.c37
-rw-r--r--drivers/s390/s390mach.h3
-rw-r--r--drivers/s390/scsi/zfcp_aux.c25
-rw-r--r--drivers/s390/scsi/zfcp_dbf.c44
-rw-r--r--drivers/s390/scsi/zfcp_erp.c7
-rw-r--r--drivers/s390/scsi/zfcp_ext.h4
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c2
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c38
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c18
-rw-r--r--drivers/s390/sysinfo.c63
74 files changed, 1339 insertions, 748 deletions
diff --git a/drivers/s390/Kconfig b/drivers/s390/Kconfig
index ae89b9b8874..165af398fde 100644
--- a/drivers/s390/Kconfig
+++ b/drivers/s390/Kconfig
@@ -103,14 +103,8 @@ config CCW_CONSOLE
depends on TN3215_CONSOLE || TN3270_CONSOLE
default y
-config SCLP
- bool "Support for SCLP"
- help
- Include support for the SCLP interface to the service element.
-
config SCLP_TTY
bool "Support for SCLP line mode terminal"
- depends on SCLP
help
Include support for IBM SCLP line-mode terminals.
@@ -123,7 +117,6 @@ config SCLP_CONSOLE
config SCLP_VT220_TTY
bool "Support for SCLP VT220-compatible terminal"
- depends on SCLP
help
Include support for an IBM SCLP VT220-compatible terminal.
@@ -136,7 +129,6 @@ config SCLP_VT220_CONSOLE
config SCLP_CPI
tristate "Control-Program Identification"
- depends on SCLP
help
This option enables the hardware console interface for system
identification. This is commonly used for workload management and
diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile
index 9803c9352d7..5a888704a8d 100644
--- a/drivers/s390/Makefile
+++ b/drivers/s390/Makefile
@@ -2,6 +2,8 @@
# Makefile for the S/390 specific device drivers
#
+CFLAGS_sysinfo.o += -Iinclude/math-emu -Iarch/s390/math-emu -w
+
obj-y += s390mach.o sysinfo.o s390_rdev.o
obj-y += cio/ block/ char/ crypto/ net/ scsi/
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 492b68bcd7c..eb5dc62f0d9 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -37,6 +37,7 @@
*/
debug_info_t *dasd_debug_area;
struct dasd_discipline *dasd_diag_discipline_pointer;
+void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *);
MODULE_AUTHOR("Holger Smolinski <Holger.Smolinski@de.ibm.com>");
MODULE_DESCRIPTION("Linux on S/390 DASD device driver,"
@@ -51,7 +52,6 @@ static int dasd_alloc_queue(struct dasd_device * device);
static void dasd_setup_queue(struct dasd_device * device);
static void dasd_free_queue(struct dasd_device * device);
static void dasd_flush_request_queue(struct dasd_device *);
-static void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *);
static int dasd_flush_ccw_queue(struct dasd_device *, int);
static void dasd_tasklet(struct dasd_device *);
static void do_kick_device(struct work_struct *);
@@ -483,7 +483,7 @@ unsigned int dasd_profile_level = DASD_PROFILE_OFF;
/*
* Add profiling information for cqr before execution.
*/
-static inline void
+static void
dasd_profile_start(struct dasd_device *device, struct dasd_ccw_req * cqr,
struct request *req)
{
@@ -505,7 +505,7 @@ dasd_profile_start(struct dasd_device *device, struct dasd_ccw_req * cqr,
/*
* Add profiling information for cqr after execution.
*/
-static inline void
+static void
dasd_profile_end(struct dasd_device *device, struct dasd_ccw_req * cqr,
struct request *req)
{
@@ -1022,8 +1022,6 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
irb->scsw.cstat == 0 &&
!irb->esw.esw0.erw.cons)
era = dasd_era_none;
- else if (!test_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags))
- era = dasd_era_fatal; /* don't recover this request */
else if (irb->esw.esw0.erw.cons)
era = device->discipline->examine_error(cqr, irb);
else
@@ -1104,7 +1102,7 @@ __dasd_process_erp(struct dasd_device *device, struct dasd_ccw_req *cqr)
/*
* Process ccw request queue.
*/
-static inline void
+static void
__dasd_process_ccw_queue(struct dasd_device * device,
struct list_head *final_queue)
{
@@ -1127,7 +1125,9 @@ restart:
cqr->status = DASD_CQR_FAILED;
cqr->stopclk = get_clock();
} else {
- if (cqr->irb.esw.esw0.erw.cons) {
+ if (cqr->irb.esw.esw0.erw.cons &&
+ test_bit(DASD_CQR_FLAGS_USE_ERP,
+ &cqr->flags)) {
erp_fn = device->discipline->
erp_action(cqr);
erp_fn(cqr);
@@ -1181,7 +1181,7 @@ dasd_end_request_cb(struct dasd_ccw_req * cqr, void *data)
/*
* Fetch requests from the block device queue.
*/
-static inline void
+static void
__dasd_process_blk_queue(struct dasd_device * device)
{
request_queue_t *queue;
@@ -1232,6 +1232,19 @@ __dasd_process_blk_queue(struct dasd_device * device)
if (IS_ERR(cqr)) {
if (PTR_ERR(cqr) == -ENOMEM)
break; /* terminate request queue loop */
+ if (PTR_ERR(cqr) == -EAGAIN) {
+ /*
+ * The current request cannot be build right
+ * now, we have to try later. If this request
+ * is the head-of-queue we stop the device
+ * for 1/2 second.
+ */
+ if (!list_empty(&device->ccw_queue))
+ break;
+ device->stopped |= DASD_STOPPED_PENDING;
+ dasd_set_timer(device, HZ/2);
+ break;
+ }
DBF_DEV_EVENT(DBF_ERR, device,
"CCW creation failed (rc=%ld) "
"on request %p",
@@ -1254,7 +1267,7 @@ __dasd_process_blk_queue(struct dasd_device * device)
* Take a look at the first request on the ccw queue and check
* if it reached its expire time. If so, terminate the IO.
*/
-static inline void
+static void
__dasd_check_expire(struct dasd_device * device)
{
struct dasd_ccw_req *cqr;
@@ -1285,7 +1298,7 @@ __dasd_check_expire(struct dasd_device * device)
* Take a look at the first request on the ccw queue and check
* if it needs to be started.
*/
-static inline void
+static void
__dasd_start_head(struct dasd_device * device)
{
struct dasd_ccw_req *cqr;
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 4d01040c2c6..8b9d68f6e01 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -170,7 +170,6 @@ dasd_3990_erp_examine(struct dasd_ccw_req * cqr, struct irb * irb)
/* log the erp chain if fatal error occurred */
if ((era == dasd_era_fatal) && (device->state >= DASD_STATE_READY)) {
dasd_log_sense(cqr, irb);
- dasd_log_ccw(cqr, 0, irb->scsw.cpa);
}
return era;
@@ -2640,7 +2639,6 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
struct dasd_ccw_req *erp = NULL;
struct dasd_device *device = cqr->device;
- __u32 cpa = cqr->irb.scsw.cpa;
struct dasd_ccw_req *temp_erp = NULL;
if (device->features & DASD_FEATURE_ERPLOG) {
@@ -2706,9 +2704,6 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr)
}
}
- if (erp->status == DASD_CQR_FAILED)
- dasd_log_ccw(erp, 1, cpa);
-
/* enqueue added ERP request */
if (erp->status == DASD_CQR_FILLED) {
erp->status = DASD_CQR_QUEUED;
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 5943266152f..ed70852cc91 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -136,7 +136,7 @@ __setup ("dasd=", dasd_call_setup);
/*
* Read a device busid/devno from a string.
*/
-static inline int
+static int
dasd_busid(char **str, int *id0, int *id1, int *devno)
{
int val, old_style;
@@ -182,7 +182,7 @@ dasd_busid(char **str, int *id0, int *id1, int *devno)
* only one: "ro" for read-only devices. The default feature set
* is empty (value 0).
*/
-static inline int
+static int
dasd_feature_list(char *str, char **endp)
{
int features, len, rc;
@@ -341,7 +341,7 @@ dasd_parse_range( char *parsestring ) {
return ERR_PTR(-EINVAL);
}
-static inline char *
+static char *
dasd_parse_next_element( char *parsestring ) {
char * residual_str;
residual_str = dasd_parse_keyword(parsestring);
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 53db58a6861..ab782bb46ac 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -43,7 +43,7 @@ MODULE_LICENSE("GPL");
#define DIAG_MAX_RETRIES 32
#define DIAG_TIMEOUT 50 * HZ
-struct dasd_discipline dasd_diag_discipline;
+static struct dasd_discipline dasd_diag_discipline;
struct dasd_diag_private {
struct dasd_diag_characteristics rdc_data;
@@ -90,7 +90,7 @@ static inline int dia250(void *iob, int cmd)
* block offset. On success, return zero and set end_block to contain the
* number of blocks on the device minus the specified offset. Return non-zero
* otherwise. */
-static __inline__ int
+static inline int
mdsk_init_io(struct dasd_device *device, unsigned int blocksize,
blocknum_t offset, blocknum_t *end_block)
{
@@ -117,7 +117,7 @@ mdsk_init_io(struct dasd_device *device, unsigned int blocksize,
/* Remove block I/O environment for device. Return zero on success, non-zero
* otherwise. */
-static __inline__ int
+static inline int
mdsk_term_io(struct dasd_device * device)
{
struct dasd_diag_private *private;
@@ -576,7 +576,7 @@ dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
"dump sense not available for DIAG data");
}
-struct dasd_discipline dasd_diag_discipline = {
+static struct dasd_discipline dasd_diag_discipline = {
.owner = THIS_MODULE,
.name = "DIAG",
.ebcname = "DIAG",
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index fdaa471e845..cecab2274a6 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -134,44 +134,7 @@ ceil_quot(unsigned int d1, unsigned int d2)
return (d1 + (d2 - 1)) / d2;
}
-static inline int
-bytes_per_record(struct dasd_eckd_characteristics *rdc, int kl, int dl)
-{
- unsigned int fl1, fl2, int1, int2;
- int bpr;
-
- switch (rdc->formula) {
- case 0x01:
- fl1 = round_up_multiple(ECKD_F2(rdc) + dl, ECKD_F1(rdc));
- fl2 = round_up_multiple(kl ? ECKD_F2(rdc) + kl : 0,
- ECKD_F1(rdc));
- bpr = fl1 + fl2;
- break;
- case 0x02:
- int1 = ceil_quot(dl + ECKD_F6(rdc), ECKD_F5(rdc) << 1);
- int2 = ceil_quot(kl + ECKD_F6(rdc), ECKD_F5(rdc) << 1);
- fl1 = round_up_multiple(ECKD_F1(rdc) * ECKD_F2(rdc) + dl +
- ECKD_F6(rdc) + ECKD_F4(rdc) * int1,
- ECKD_F1(rdc));
- fl2 = round_up_multiple(ECKD_F1(rdc) * ECKD_F3(rdc) + kl +
- ECKD_F6(rdc) + ECKD_F4(rdc) * int2,
- ECKD_F1(rdc));
- bpr = fl1 + fl2;
- break;
- default:
- bpr = 0;
- break;
- }
- return bpr;
-}
-
-static inline unsigned int
-bytes_per_track(struct dasd_eckd_characteristics *rdc)
-{
- return *(unsigned int *) (rdc->byte_per_track) >> 8;
-}
-
-static inline unsigned int
+static unsigned int
recs_per_track(struct dasd_eckd_characteristics * rdc,
unsigned int kl, unsigned int dl)
{
@@ -204,37 +167,39 @@ recs_per_track(struct dasd_eckd_characteristics * rdc,
return 0;
}
-static inline void
+static int
check_XRC (struct ccw1 *de_ccw,
struct DE_eckd_data *data,
struct dasd_device *device)
{
struct dasd_eckd_private *private;
+ int rc;
private = (struct dasd_eckd_private *) device->private;
+ if (!private->rdc_data.facilities.XRC_supported)
+ return 0;
/* switch on System Time Stamp - needed for XRC Support */
- if (private->rdc_data.facilities.XRC_supported) {
-
- data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */
- data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */
-
- data->ep_sys_time = get_clock ();
-
- de_ccw->count = sizeof (struct DE_eckd_data);
- de_ccw->flags |= CCW_FLAG_SLI;
- }
+ data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */
+ data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */
- return;
+ rc = get_sync_clock(&data->ep_sys_time);
+ /* Ignore return code if sync clock is switched off. */
+ if (rc == -ENOSYS || rc == -EACCES)
+ rc = 0;
-} /* end check_XRC */
+ de_ccw->count = sizeof (struct DE_eckd_data);
+ de_ccw->flags |= CCW_FLAG_SLI;
+ return rc;
+}
-static inline void
+static int
define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
int totrk, int cmd, struct dasd_device * device)
{
struct dasd_eckd_private *private;
struct ch_t geo, beg, end;
+ int rc = 0;
private = (struct dasd_eckd_private *) device->private;
@@ -263,12 +228,12 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
case DASD_ECKD_CCW_WRITE_KD_MT:
data->mask.perm = 0x02;
data->attributes.operation = private->attrib.operation;
- check_XRC (ccw, data, device);
+ rc = check_XRC (ccw, data, device);
break;
case DASD_ECKD_CCW_WRITE_CKD:
case DASD_ECKD_CCW_WRITE_CKD_MT:
data->attributes.operation = DASD_BYPASS_CACHE;
- check_XRC (ccw, data, device);
+ rc = check_XRC (ccw, data, device);
break;
case DASD_ECKD_CCW_ERASE:
case DASD_ECKD_CCW_WRITE_HOME_ADDRESS:
@@ -276,7 +241,7 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
data->mask.perm = 0x3;
data->mask.auth = 0x1;
data->attributes.operation = DASD_BYPASS_CACHE;
- check_XRC (ccw, data, device);
+ rc = check_XRC (ccw, data, device);
break;
default:
DEV_MESSAGE(KERN_ERR, device, "unknown opcode 0x%x", cmd);
@@ -312,9 +277,10 @@ define_extent(struct ccw1 * ccw, struct DE_eckd_data * data, int trk,
data->beg_ext.head = beg.head;
data->end_ext.cyl = end.cyl;
data->end_ext.head = end.head;
+ return rc;
}
-static inline void
+static void
locate_record(struct ccw1 *ccw, struct LO_eckd_data *data, int trk,
int rec_on_trk, int no_rec, int cmd,
struct dasd_device * device, int reclen)
@@ -548,7 +514,7 @@ dasd_eckd_read_conf(struct dasd_device *device)
/*
* Build CP for Perform Subsystem Function - SSC.
*/
-struct dasd_ccw_req *
+static struct dasd_ccw_req *
dasd_eckd_build_psf_ssc(struct dasd_device *device)
{
struct dasd_ccw_req *cqr;
@@ -1200,7 +1166,12 @@ dasd_eckd_build_cp(struct dasd_device * device, struct request *req)
return cqr;
ccw = cqr->cpaddr;
/* First ccw is define extent. */
- define_extent(ccw++, cqr->data, first_trk, last_trk, cmd, device);
+ if (define_extent(ccw++, cqr->data, first_trk,
+ last_trk, cmd, device) == -EAGAIN) {
+ /* Clock not in sync and XRC is enabled. Try again later. */
+ dasd_sfree_request(cqr, device);
+ return ERR_PTR(-EAGAIN);
+ }
/* Build locate_record+read/write/ccws. */
idaws = (unsigned long *) (cqr->data + sizeof(struct DE_eckd_data));
LO_data = (struct LO_eckd_data *) (idaws + cidaw);
@@ -1380,7 +1351,7 @@ dasd_eckd_release(struct dasd_device *device)
cqr->device = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
- cqr->retries = 0;
+ cqr->retries = 2; /* set retry counter to enable basic ERP */
cqr->expires = 2 * HZ;
cqr->buildclk = get_clock();
cqr->status = DASD_CQR_FILLED;
@@ -1420,7 +1391,7 @@ dasd_eckd_reserve(struct dasd_device *device)
cqr->device = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
- cqr->retries = 0;
+ cqr->retries = 2; /* set retry counter to enable basic ERP */
cqr->expires = 2 * HZ;
cqr->buildclk = get_clock();
cqr->status = DASD_CQR_FILLED;
@@ -1459,7 +1430,7 @@ dasd_eckd_steal_lock(struct dasd_device *device)
cqr->device = device;
clear_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
- cqr->retries = 0;
+ cqr->retries = 2; /* set retry counter to enable basic ERP */
cqr->expires = 2 * HZ;
cqr->buildclk = get_clock();
cqr->status = DASD_CQR_FILLED;
@@ -1609,7 +1580,7 @@ dasd_eckd_ioctl(struct dasd_device *device, unsigned int cmd, void __user *argp)
* Dump the range of CCWs into 'page' buffer
* and return number of printed chars.
*/
-static inline int
+static int
dasd_eckd_dump_ccw_range(struct ccw1 *from, struct ccw1 *to, char *page)
{
int len, count;
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index e0bf30ebb21..6cedc914077 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -658,18 +658,24 @@ static struct file_operations dasd_eer_fops = {
.owner = THIS_MODULE,
};
-static struct miscdevice dasd_eer_dev = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "dasd_eer",
- .fops = &dasd_eer_fops,
-};
+static struct miscdevice *dasd_eer_dev = NULL;
int __init dasd_eer_init(void)
{
int rc;
- rc = misc_register(&dasd_eer_dev);
+ dasd_eer_dev = kzalloc(sizeof(*dasd_eer_dev), GFP_KERNEL);
+ if (!dasd_eer_dev)
+ return -ENOMEM;
+
+ dasd_eer_dev->minor = MISC_DYNAMIC_MINOR;
+ dasd_eer_dev->name = "dasd_eer";
+ dasd_eer_dev->fops = &dasd_eer_fops;
+
+ rc = misc_register(dasd_eer_dev);
if (rc) {
+ kfree(dasd_eer_dev);
+ dasd_eer_dev = NULL;
MESSAGE(KERN_ERR, "%s", "dasd_eer_init could not "
"register misc device");
return rc;
@@ -680,5 +686,9 @@ int __init dasd_eer_init(void)
void dasd_eer_exit(void)
{
- WARN_ON(misc_deregister(&dasd_eer_dev) != 0);
+ if (dasd_eer_dev) {
+ WARN_ON(misc_deregister(dasd_eer_dev) != 0);
+ kfree(dasd_eer_dev);
+ dasd_eer_dev = NULL;
+ }
}
diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c
index 58a65097922..caa5d91420f 100644
--- a/drivers/s390/block/dasd_erp.c
+++ b/drivers/s390/block/dasd_erp.c
@@ -152,25 +152,6 @@ dasd_default_erp_postaction(struct dasd_ccw_req * cqr)
} /* end default_erp_postaction */
-/*
- * Print the hex dump of the memory used by a request. This includes
- * all error recovery ccws that have been chained in from of the
- * real request.
- */
-static inline void
-hex_dump_memory(struct dasd_device *device, void *data, int len)
-{
- int *pint;
-
- pint = (int *) data;
- while (len > 0) {
- DEV_MESSAGE(KERN_ERR, device, "%p: %08x %08x %08x %08x",
- pint, pint[0], pint[1], pint[2], pint[3]);
- pint += 4;
- len -= 16;
- }
-}
-
void
dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb)
{
@@ -182,69 +163,8 @@ dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb)
device->discipline->dump_sense(device, cqr, irb);
}
-void
-dasd_log_ccw(struct dasd_ccw_req * cqr, int caller, __u32 cpa)
-{
- struct dasd_device *device;
- struct dasd_ccw_req *lcqr;
- struct ccw1 *ccw;
- int cplength;
-
- device = cqr->device;
- /* log the channel program */
- for (lcqr = cqr; lcqr != NULL; lcqr = lcqr->refers) {
- DEV_MESSAGE(KERN_ERR, device,
- "(%s) ERP chain report for req: %p",
- caller == 0 ? "EXAMINE" : "ACTION", lcqr);
- hex_dump_memory(device, lcqr, sizeof(struct dasd_ccw_req));
-
- cplength = 1;
- ccw = lcqr->cpaddr;
- while (ccw++->flags & (CCW_FLAG_DC | CCW_FLAG_CC))
- cplength++;
-
- if (cplength > 40) { /* log only parts of the CP */
- DEV_MESSAGE(KERN_ERR, device, "%s",
- "Start of channel program:");
- hex_dump_memory(device, lcqr->cpaddr,
- 40*sizeof(struct ccw1));
-
- DEV_MESSAGE(KERN_ERR, device, "%s",
- "End of channel program:");
- hex_dump_memory(device, lcqr->cpaddr + cplength - 10,
- 10*sizeof(struct ccw1));
- } else { /* log the whole CP */
- DEV_MESSAGE(KERN_ERR, device, "%s",
- "Channel program (complete):");
- hex_dump_memory(device, lcqr->cpaddr,
- cplength*sizeof(struct ccw1));
- }
-
- if (lcqr != cqr)
- continue;
-
- /*
- * Log bytes arround failed CCW but only if we did
- * not log the whole CP of the CCW is outside the
- * logged CP.
- */
- if (cplength > 40 ||
- ((addr_t) cpa < (addr_t) lcqr->cpaddr &&
- (addr_t) cpa > (addr_t) (lcqr->cpaddr + cplength + 4))) {
-
- DEV_MESSAGE(KERN_ERR, device,
- "Failed CCW (%p) (area):",
- (void *) (long) cpa);
- hex_dump_memory(device, cqr->cpaddr - 10,
- 20*sizeof(struct ccw1));
- }
- }
-
-} /* end log_erp_chain */
-
EXPORT_SYMBOL(dasd_default_erp_action);
EXPORT_SYMBOL(dasd_default_erp_postaction);
EXPORT_SYMBOL(dasd_alloc_erp_request);
EXPORT_SYMBOL(dasd_free_erp_request);
EXPORT_SYMBOL(dasd_log_sense);
-EXPORT_SYMBOL(dasd_log_ccw);
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index b857fd5893f..be0909e3922 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -75,7 +75,7 @@ static struct ccw_driver dasd_fba_driver = {
.notify = dasd_generic_notify,
};
-static inline void
+static void
define_extent(struct ccw1 * ccw, struct DE_fba_data *data, int rw,
int blksize, int beg, int nr)
{
@@ -95,7 +95,7 @@ define_extent(struct ccw1 * ccw, struct DE_fba_data *data, int rw,
data->ext_end = nr - 1;
}
-static inline void
+static void
locate_record(struct ccw1 * ccw, struct LO_fba_data *data, int rw,
int block_nr, int block_ct)
{
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index d163632101d..47ba4462708 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -147,7 +147,7 @@ dasd_destroy_partitions(struct dasd_device * device)
*/
memset(&bpart, 0, sizeof(struct blkpg_partition));
memset(&barg, 0, sizeof(struct blkpg_ioctl_arg));
- barg.data = (void __user *) &bpart;
+ barg.data = (void __force __user *) &bpart;
barg.op = BLKPG_DEL_PARTITION;
for (bpart.pno = device->gdp->minors - 1; bpart.pno > 0; bpart.pno--)
ioctl_by_bdev(bdev, BLKPG, (unsigned long) &barg);
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index fb725e3b08f..a2cc69e1141 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -559,7 +559,6 @@ struct dasd_ccw_req *dasd_alloc_erp_request(char *, 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 *);
-void dasd_log_ccw(struct dasd_ccw_req *, int, __u32);
/* externals in dasd_3370_erp.c */
dasd_era_t dasd_3370_erp_examine(struct dasd_ccw_req *, struct irb *);
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index bfa010f6dab..8b7e11815d7 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -28,7 +28,7 @@ static struct proc_dir_entry *dasd_proc_root_entry = NULL;
static struct proc_dir_entry *dasd_devices_entry = NULL;
static struct proc_dir_entry *dasd_statistics_entry = NULL;
-static inline char *
+static char *
dasd_get_user_string(const char __user *user_buf, size_t user_len)
{
char *buffer;
@@ -154,7 +154,7 @@ static struct file_operations dasd_devices_file_ops = {
.release = seq_release,
};
-static inline int
+static int
dasd_calc_metrics(char *page, char **start, off_t off,
int count, int *eof, int len)
{
@@ -167,8 +167,8 @@ dasd_calc_metrics(char *page, char **start, off_t off,
return len;
}
-static inline char *
-dasd_statistics_array(char *str, int *array, int shift)
+static char *
+dasd_statistics_array(char *str, unsigned int *array, int shift)
{
int i;
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index be9b05347b4..1340451ea40 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -102,7 +102,7 @@ dcssblk_release_segment(struct device *dev)
* device needs to be enqueued before the semaphore is
* freed.
*/
-static inline int
+static int
dcssblk_assign_free_minor(struct dcssblk_dev_info *dev_info)
{
int minor, found;
@@ -230,7 +230,7 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch
SEGMENT_SHARED);
if (rc < 0) {
BUG_ON(rc == -EINVAL);
- if (rc == -EIO || rc == -ENOENT)
+ if (rc != -EAGAIN)
goto removeseg;
} else {
dev_info->is_shared = 1;
@@ -253,7 +253,7 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch
SEGMENT_EXCLUSIVE);
if (rc < 0) {
BUG_ON(rc == -EINVAL);
- if (rc == -EIO || rc == -ENOENT)
+ if (rc != -EAGAIN)
goto removeseg;
} else {
dev_info->is_shared = 0;
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index c3e97b4fc18..293e667b50f 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -2,7 +2,8 @@
# S/390 character devices
#
-obj-y += ctrlchar.o keyboard.o defkeymap.o
+obj-y += ctrlchar.o keyboard.o defkeymap.o sclp.o sclp_rw.o sclp_quiesce.o \
+ sclp_info.o
obj-$(CONFIG_TN3270) += raw3270.o
obj-$(CONFIG_TN3270_CONSOLE) += con3270.o
@@ -11,7 +12,6 @@ obj-$(CONFIG_TN3270_FS) += fs3270.o
obj-$(CONFIG_TN3215) += con3215.o
-obj-$(CONFIG_SCLP) += sclp.o sclp_rw.o sclp_quiesce.o
obj-$(CONFIG_SCLP_TTY) += sclp_tty.o
obj-$(CONFIG_SCLP_CONSOLE) += sclp_con.o
obj-$(CONFIG_SCLP_VT220_TTY) += sclp_vt220.o
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 25b5d7a6641..9a328f14a64 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -1121,7 +1121,7 @@ static const struct tty_operations tty3215_ops = {
* 3215 tty registration code called from tty_init().
* Most kernel services (incl. kmalloc) are available at this poimt.
*/
-int __init
+static int __init
tty3215_init(void)
{
struct tty_driver *driver;
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 7566be89068..8e7f2d7633d 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -69,8 +69,7 @@ static void con3270_update(struct con3270 *);
/*
* Setup timeout for a device. On timeout trigger an update.
*/
-void
-con3270_set_timer(struct con3270 *cp, int expires)
+static void con3270_set_timer(struct con3270 *cp, int expires)
{
if (expires == 0) {
if (timer_pending(&cp->timer))
diff --git a/drivers/s390/char/defkeymap.c b/drivers/s390/char/defkeymap.c
index 17027d918cf..564baca01b7 100644
--- a/drivers/s390/char/defkeymap.c
+++ b/drivers/s390/char/defkeymap.c
@@ -5,6 +5,8 @@
#include <linux/types.h>
#include <linux/keyboard.h>
#include <linux/kd.h>
+#include <linux/kbd_kern.h>
+#include <linux/kbd_diacr.h>
u_short plain_map[NR_KEYS] = {
0xf000, 0xf000, 0xf000, 0xf000, 0xf000, 0xf000, 0xf000, 0xf000,
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 0893d306ae8..e1a746269c4 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -23,7 +23,7 @@
#include "raw3270.h"
#include "ctrlchar.h"
-struct raw3270_fn fs3270_fn;
+static struct raw3270_fn fs3270_fn;
struct fs3270 {
struct raw3270_view view;
@@ -401,7 +401,7 @@ fs3270_release(struct raw3270_view *view)
}
/* View to a 3270 device. Can be console, tty or fullscreen. */
-struct raw3270_fn fs3270_fn = {
+static struct raw3270_fn fs3270_fn = {
.activate = fs3270_activate,
.deactivate = fs3270_deactivate,
.intv = (void *) fs3270_irq,
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 3e86fd1756e..f62f9a4e895 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -148,6 +148,7 @@ kbd_ascebc(struct kbd_data *kbd, unsigned char *ascebc)
}
}
+#if 0
/*
* Generate ebcdic -> ascii translation table from kbd_data.
*/
@@ -173,6 +174,7 @@ kbd_ebcasc(struct kbd_data *kbd, unsigned char *ebcasc)
}
}
}
+#endif
/*
* We have a combining character DIACR here, followed by the character CH.
diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c
index cdb24f52811..9e451acc649 100644
--- a/drivers/s390/char/monwriter.c
+++ b/drivers/s390/char/monwriter.c
@@ -67,8 +67,8 @@ static int monwrite_diag(struct monwrite_hdr *myhdr, char *buffer, int fcn)
return -EINVAL;
}
-static inline struct mon_buf *monwrite_find_hdr(struct mon_private *monpriv,
- struct monwrite_hdr *monhdr)
+static struct mon_buf *monwrite_find_hdr(struct mon_private *monpriv,
+ struct monwrite_hdr *monhdr)
{
struct mon_buf *entry, *next;
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 7a84014f203..8facd14adb7 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -29,7 +29,7 @@
#include <linux/device.h>
#include <linux/mutex.h>
-struct class *class3270;
+static struct class *class3270;
/* The main 3270 data structure. */
struct raw3270 {
@@ -86,7 +86,7 @@ DECLARE_WAIT_QUEUE_HEAD(raw3270_wait_queue);
/*
* Encode array for 12 bit 3270 addresses.
*/
-unsigned char raw3270_ebcgraf[64] = {
+static unsigned char raw3270_ebcgraf[64] = {
0x40, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 8a056df09d6..f171de3b0b1 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -59,7 +59,8 @@ static volatile enum sclp_init_state_t {
/* Internal state: is a request active at the sclp? */
static volatile enum sclp_running_state_t {
sclp_running_state_idle,
- sclp_running_state_running
+ sclp_running_state_running,
+ sclp_running_state_reset_pending
} sclp_running_state = sclp_running_state_idle;
/* Internal state: is a read request pending? */
@@ -88,15 +89,15 @@ static volatile enum sclp_mask_state_t {
/* Timeout intervals in seconds.*/
#define SCLP_BUSY_INTERVAL 10
-#define SCLP_RETRY_INTERVAL 15
+#define SCLP_RETRY_INTERVAL 30
static void sclp_process_queue(void);
static int sclp_init_mask(int calculate);
static int sclp_init(void);
/* Perform service call. Return 0 on success, non-zero otherwise. */
-static int
-service_call(sclp_cmdw_t command, void *sccb)
+int
+sclp_service_call(sclp_cmdw_t command, void *sccb)
{
int cc;
@@ -113,19 +114,17 @@ service_call(sclp_cmdw_t command, void *sccb)
return 0;
}
-/* Request timeout handler. Restart the request queue. If DATA is non-zero,
- * force restart of running request. */
+static inline void __sclp_make_read_req(void);
+
static void
-sclp_request_timeout(unsigned long data)
+__sclp_queue_read_req(void)
{
- unsigned long flags;
-
- if (data) {
- spin_lock_irqsave(&sclp_lock, flags);
- sclp_running_state = sclp_running_state_idle;
- spin_unlock_irqrestore(&sclp_lock, flags);
+ if (sclp_reading_state == sclp_reading_state_idle) {
+ sclp_reading_state = sclp_reading_state_reading;
+ __sclp_make_read_req();
+ /* Add request to head of queue */
+ list_add(&sclp_read_req.list, &sclp_req_queue);
}
- sclp_process_queue();
}
/* Set up request retry timer. Called while sclp_lock is locked. */
@@ -140,6 +139,29 @@ __sclp_set_request_timer(unsigned long time, void (*function)(unsigned long),
add_timer(&sclp_request_timer);
}
+/* Request timeout handler. Restart the request queue. If DATA is non-zero,
+ * force restart of running request. */
+static void
+sclp_request_timeout(unsigned long data)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&sclp_lock, flags);
+ if (data) {
+ if (sclp_running_state == sclp_running_state_running) {
+ /* Break running state and queue NOP read event request
+ * to get a defined interface state. */
+ __sclp_queue_read_req();
+ sclp_running_state = sclp_running_state_idle;
+ }
+ } else {
+ __sclp_set_request_timer(SCLP_BUSY_INTERVAL * HZ,
+ sclp_request_timeout, 0);
+ }
+ spin_unlock_irqrestore(&sclp_lock, flags);
+ sclp_process_queue();
+}
+
/* Try to start a request. Return zero if the request was successfully
* started or if it will be started at a later time. Return non-zero otherwise.
* Called while sclp_lock is locked. */
@@ -151,7 +173,7 @@ __sclp_start_request(struct sclp_req *req)
if (sclp_running_state != sclp_running_state_idle)
return 0;
del_timer(&sclp_request_timer);
- rc = service_call(req->command, req->sccb);
+ rc = sclp_service_call(req->command, req->sccb);
req->start_count++;
if (rc == 0) {
@@ -191,7 +213,15 @@ sclp_process_queue(void)
rc = __sclp_start_request(req);
if (rc == 0)
break;
- /* Request failed. */
+ /* Request failed */
+ if (req->start_count > 1) {
+ /* Cannot abort already submitted request - could still
+ * be active at the SCLP */
+ __sclp_set_request_timer(SCLP_BUSY_INTERVAL * HZ,
+ sclp_request_timeout, 0);
+ break;
+ }
+ /* Post-processing for aborted request */
list_del(&req->list);
if (req->callback) {
spin_unlock_irqrestore(&sclp_lock, flags);
@@ -221,7 +251,8 @@ sclp_add_request(struct sclp_req *req)
list_add_tail(&req->list, &sclp_req_queue);
rc = 0;
/* Start if request is first in list */
- if (req->list.prev == &sclp_req_queue) {
+ if (sclp_running_state == sclp_running_state_idle &&
+ req->list.prev == &sclp_req_queue) {
rc = __sclp_start_request(req);
if (rc)
list_del(&req->list);
@@ -294,7 +325,7 @@ __sclp_make_read_req(void)
sccb = (struct sccb_header *) sclp_read_sccb;
clear_page(sccb);
memset(&sclp_read_req, 0, sizeof(struct sclp_req));
- sclp_read_req.command = SCLP_CMDW_READDATA;
+ sclp_read_req.command = SCLP_CMDW_READ_EVENT_DATA;
sclp_read_req.status = SCLP_REQ_QUEUED;
sclp_read_req.start_count = 0;
sclp_read_req.callback = sclp_read_cb;
@@ -334,6 +365,8 @@ sclp_interrupt_handler(__u16 code)
finished_sccb = S390_lowcore.ext_params & 0xfffffff8;
evbuf_pending = S390_lowcore.ext_params & 0x3;
if (finished_sccb) {
+ del_timer(&sclp_request_timer);
+ sclp_running_state = sclp_running_state_reset_pending;
req = __sclp_find_req(finished_sccb);
if (req) {
/* Request post-processing */
@@ -348,13 +381,8 @@ sclp_interrupt_handler(__u16 code)
sclp_running_state = sclp_running_state_idle;
}
if (evbuf_pending && sclp_receive_mask != 0 &&
- sclp_reading_state == sclp_reading_state_idle &&
- sclp_activation_state == sclp_activation_state_active ) {
- sclp_reading_state = sclp_reading_state_reading;
- __sclp_make_read_req();
- /* Add request to head of queue */
- list_add(&sclp_read_req.list, &sclp_req_queue);
- }
+ sclp_activation_state == sclp_activation_state_active)
+ __sclp_queue_read_req();
spin_unlock(&sclp_lock);
sclp_process_queue();
}
@@ -374,6 +402,7 @@ sclp_sync_wait(void)
unsigned long flags;
unsigned long cr0, cr0_sync;
u64 timeout;
+ int irq_context;
/* We'll be disabling timer interrupts, so we need a custom timeout
* mechanism */
@@ -386,7 +415,9 @@ sclp_sync_wait(void)
}
local_irq_save(flags);
/* Prevent bottom half from executing once we force interrupts open */
- local_bh_disable();
+ irq_context = in_interrupt();
+ if (!irq_context)
+ local_bh_disable();
/* Enable service-signal interruption, disable timer interrupts */
trace_hardirqs_on();
__ctl_store(cr0, 0, 0);
@@ -402,19 +433,19 @@ sclp_sync_wait(void)
get_clock() > timeout &&
del_timer(&sclp_request_timer))
sclp_request_timer.function(sclp_request_timer.data);
- barrier();
cpu_relax();
}
local_irq_disable();
__ctl_load(cr0, 0, 0);
- _local_bh_enable();
+ if (!irq_context)
+ _local_bh_enable();
local_irq_restore(flags);
}
EXPORT_SYMBOL(sclp_sync_wait);
/* Dispatch changes in send and receive mask to registered listeners. */
-static inline void
+static void
sclp_dispatch_state_change(void)
{
struct list_head *l;
@@ -597,7 +628,7 @@ __sclp_make_init_req(u32 receive_mask, u32 send_mask)
sccb = (struct init_sccb *) sclp_init_sccb;
clear_page(sccb);
memset(&sclp_init_req, 0, sizeof(struct sclp_req));
- sclp_init_req.command = SCLP_CMDW_WRITEMASK;
+ sclp_init_req.command = SCLP_CMDW_WRITE_EVENT_MASK;
sclp_init_req.status = SCLP_REQ_FILLED;
sclp_init_req.start_count = 0;
sclp_init_req.callback = NULL;
@@ -800,7 +831,7 @@ sclp_check_interface(void)
for (retry = 0; retry <= SCLP_INIT_RETRY; retry++) {
__sclp_make_init_req(0, 0);
sccb = (struct init_sccb *) sclp_init_req.sccb;
- rc = service_call(sclp_init_req.command, sccb);
+ rc = sclp_service_call(sclp_init_req.command, sccb);
if (rc == -EIO)
break;
sclp_init_req.status = SCLP_REQ_RUNNING;
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index 2c71d6ee7b5..7d29ab45a6e 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -12,7 +12,7 @@
#include <linux/types.h>
#include <linux/list.h>
-
+#include <asm/sclp.h>
#include <asm/ebcdic.h>
/* maximum number of pages concerning our own memory management */
@@ -49,9 +49,11 @@
typedef unsigned int sclp_cmdw_t;
-#define SCLP_CMDW_READDATA 0x00770005
-#define SCLP_CMDW_WRITEDATA 0x00760005
-#define SCLP_CMDW_WRITEMASK 0x00780005
+#define SCLP_CMDW_READ_EVENT_DATA 0x00770005
+#define SCLP_CMDW_WRITE_EVENT_DATA 0x00760005
+#define SCLP_CMDW_WRITE_EVENT_MASK 0x00780005
+#define SCLP_CMDW_READ_SCP_INFO 0x00020001
+#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
#define GDS_ID_MDSMU 0x1310
#define GDS_ID_MDSRouteInfo 0x1311
@@ -66,13 +68,6 @@ typedef unsigned int sclp_cmdw_t;
typedef u32 sccb_mask_t; /* ATTENTION: assumes 32bit mask !!! */
-struct sccb_header {
- u16 length;
- u8 function_code;
- u8 control_mask[3];
- u16 response_code;
-} __attribute__((packed));
-
struct gds_subvector {
u8 length;
u8 key;
@@ -131,6 +126,7 @@ void sclp_unregister(struct sclp_register *reg);
int sclp_remove_processed(struct sccb_header *sccb);
int sclp_deactivate(void);
int sclp_reactivate(void);
+int sclp_service_call(sclp_cmdw_t command, void *sccb);
/* useful inlines */
diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c
index 86864f64171..ead1043d788 100644
--- a/drivers/s390/char/sclp_con.c
+++ b/drivers/s390/char/sclp_con.c
@@ -66,7 +66,7 @@ sclp_conbuf_callback(struct sclp_buffer *buffer, int rc)
} while (buffer && sclp_emit_buffer(buffer, sclp_conbuf_callback));
}
-static inline void
+static void
sclp_conbuf_emit(void)
{
struct sclp_buffer* buffer;
diff --git a/drivers/s390/char/sclp_cpi.c b/drivers/s390/char/sclp_cpi.c
index 4f873ae148b..65aa2c85737 100644
--- a/drivers/s390/char/sclp_cpi.c
+++ b/drivers/s390/char/sclp_cpi.c
@@ -169,7 +169,7 @@ cpi_prepare_req(void)
}
/* prepare request data structure presented to SCLP driver */
- req->command = SCLP_CMDW_WRITEDATA;
+ req->command = SCLP_CMDW_WRITE_EVENT_DATA;
req->sccb = sccb;
req->status = SCLP_REQ_FILLED;
req->callback = cpi_callback;
diff --git a/drivers/s390/char/sclp_info.c b/drivers/s390/char/sclp_info.c
new file mode 100644
index 00000000000..7bcbe643b08
--- /dev/null
+++ b/drivers/s390/char/sclp_info.c
@@ -0,0 +1,57 @@
+/*
+ * drivers/s390/char/sclp_info.c
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <asm/sclp.h>
+#include "sclp.h"
+
+struct sclp_readinfo_sccb s390_readinfo_sccb;
+
+void __init sclp_readinfo_early(void)
+{
+ sclp_cmdw_t command;
+ struct sccb_header *sccb;
+ int ret;
+
+ __ctl_set_bit(0, 9); /* enable service signal subclass mask */
+
+ sccb = &s390_readinfo_sccb.header;
+ command = SCLP_CMDW_READ_SCP_INFO_FORCED;
+ while (1) {
+ u16 response;
+
+ memset(&s390_readinfo_sccb, 0, sizeof(s390_readinfo_sccb));
+ sccb->length = sizeof(s390_readinfo_sccb);
+ sccb->control_mask[2] = 0x80;
+
+ ret = sclp_service_call(command, &s390_readinfo_sccb);
+
+ if (ret == -EIO)
+ goto out;
+ if (ret == -EBUSY)
+ continue;
+
+ __load_psw_mask(PSW_BASE_BITS | PSW_MASK_EXT |
+ PSW_MASK_WAIT | PSW_DEFAULT_KEY);
+ local_irq_disable();
+ barrier();
+
+ response = sccb->response_code;
+
+ if (response == 0x10)
+ break;
+
+ if (response != 0x1f0 || command == SCLP_CMDW_READ_SCP_INFO)
+ break;
+
+ command = SCLP_CMDW_READ_SCP_INFO;
+ }
+out:
+ __ctl_clear_bit(0, 9); /* disable service signal subclass mask */
+}
diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c
index 0c92d3909cc..2486783ea58 100644
--- a/drivers/s390/char/sclp_rw.c
+++ b/drivers/s390/char/sclp_rw.c
@@ -460,7 +460,7 @@ sclp_emit_buffer(struct sclp_buffer *buffer,
sccb->msg_buf.header.type = EvTyp_PMsgCmd;
else
return -ENOSYS;
- buffer->request.command = SCLP_CMDW_WRITEDATA;
+ buffer->request.command = SCLP_CMDW_WRITE_EVENT_DATA;
buffer->request.status = SCLP_REQ_FILLED;
buffer->request.callback = sclp_writedata_callback;
buffer->request.callback_data = buffer;
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 2d173e5c8a0..90536f60bf5 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -721,7 +721,7 @@ static const struct tty_operations sclp_ops = {
.ioctl = sclp_tty_ioctl,
};
-int __init
+static int __init
sclp_tty_init(void)
{
struct tty_driver *driver;
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 723bf4191bf..544f137d70d 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -207,7 +207,7 @@ __sclp_vt220_emit(struct sclp_vt220_request *request)
request->sclp_req.status = SCLP_REQ_FAILED;
return -EIO;
}
- request->sclp_req.command = SCLP_CMDW_WRITEDATA;
+ request->sclp_req.command = SCLP_CMDW_WRITE_EVENT_DATA;
request->sclp_req.status = SCLP_REQ_FILLED;
request->sclp_req.callback = sclp_vt220_callback;
request->sclp_req.callback_data = (void *) request;
@@ -669,7 +669,7 @@ static const struct tty_operations sclp_vt220_ops = {
/*
* Register driver with SCLP and Linux and initialize internal tty structures.
*/
-int __init
+static int __init
sclp_vt220_tty_init(void)
{
struct tty_driver *driver;
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index c9f1c4c8bb1..bb4ff537729 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -3,7 +3,7 @@
* tape device driver for 3480/3490E/3590 tapes.
*
* S390 and zSeries version
- * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright IBM Corp. 2001,2006
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Tuan Ngo-Anh <ngoanh@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
@@ -99,7 +99,11 @@ enum tape_op {
TO_DIS, /* Tape display */
TO_ASSIGN, /* Assign tape to channel path */
TO_UNASSIGN, /* Unassign tape from channel path */
- TO_SIZE /* #entries in tape_op_t */
+ TO_CRYPT_ON, /* Enable encrpytion */
+ TO_CRYPT_OFF, /* Disable encrpytion */
+ TO_KEKL_SET, /* Set KEK label */
+ TO_KEKL_QUERY, /* Query KEK label */
+ TO_SIZE, /* #entries in tape_op_t */
};
/* Forward declaration */
@@ -112,6 +116,7 @@ enum tape_request_status {
TAPE_REQUEST_IN_IO, /* request is currently in IO */
TAPE_REQUEST_DONE, /* request is completed. */
TAPE_REQUEST_CANCEL, /* request should be canceled. */
+ TAPE_REQUEST_LONG_BUSY, /* request has to be restarted after long busy */
};
/* Tape CCW request */
@@ -164,10 +169,11 @@ struct tape_discipline {
* The discipline irq function either returns an error code (<0) which
* means that the request has failed with an error or one of the following:
*/
-#define TAPE_IO_SUCCESS 0 /* request successful */
-#define TAPE_IO_PENDING 1 /* request still running */
-#define TAPE_IO_RETRY 2 /* retry to current request */
-#define TAPE_IO_STOP 3 /* stop the running request */
+#define TAPE_IO_SUCCESS 0 /* request successful */
+#define TAPE_IO_PENDING 1 /* request still running */
+#define TAPE_IO_RETRY 2 /* retry to current request */
+#define TAPE_IO_STOP 3 /* stop the running request */
+#define TAPE_IO_LONG_BUSY 4 /* delay the running request */
/* Char Frontend Data */
struct tape_char_data {
@@ -242,6 +248,10 @@ struct tape_device {
/* Function to start or stop the next request later. */
struct delayed_work tape_dnr;
+
+ /* Timer for long busy */
+ struct timer_list lb_timeout;
+
};
/* Externals from tape_core.c */
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 9df912f6318..50f5edab83d 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -2,7 +2,7 @@
* drivers/s390/char/tape_3590.c
* tape device discipline for 3590 tapes.
*
- * Copyright (C) IBM Corp. 2001,2006
+ * Copyright IBM Corp. 2001,2006
* Author(s): Stefan Bader <shbader@de.ibm.com>
* Michael Holzheu <holzheu@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/bio.h>
+#include <asm/ebcdic.h>
#define TAPE_DBF_AREA tape_3590_dbf
@@ -30,7 +31,7 @@ EXPORT_SYMBOL(TAPE_DBF_AREA);
* - Read Device (buffered) log: BRA
* - Read Library log: BRA
* - Swap Devices: BRA
- * - Long Busy: BRA
+ * - Long Busy: implemented
* - Special Intercept: BRA
* - Read Alternate: implemented
*******************************************************************/
@@ -94,6 +95,332 @@ static const char *tape_3590_msg[TAPE_3590_MAX_MSG] = {
[0xae] = "Subsystem environmental alert",
};
+static int crypt_supported(struct tape_device *device)
+{
+ return TAPE390_CRYPT_SUPPORTED(TAPE_3590_CRYPT_INFO(device));
+}
+
+static int crypt_enabled(struct tape_device *device)
+{
+ return TAPE390_CRYPT_ON(TAPE_3590_CRYPT_INFO(device));
+}
+
+static void ext_to_int_kekl(struct tape390_kekl *in,
+ struct tape3592_kekl *out)
+{
+ int i;
+
+ memset(out, 0, sizeof(*out));
+ if (in->type == TAPE390_KEKL_TYPE_HASH)
+ out->flags |= 0x40;
+ if (in->type_on_tape == TAPE390_KEKL_TYPE_HASH)
+ out->flags |= 0x80;
+ strncpy(out->label, in->label, 64);
+ for (i = strlen(in->label); i < sizeof(out->label); i++)
+ out->label[i] = ' ';
+ ASCEBC(out->label, sizeof(out->label));
+}
+
+static void int_to_ext_kekl(struct tape3592_kekl *in,
+ struct tape390_kekl *out)
+{
+ memset(out, 0, sizeof(*out));
+ if(in->flags & 0x40)
+ out->type = TAPE390_KEKL_TYPE_HASH;
+ else
+ out->type = TAPE390_KEKL_TYPE_LABEL;
+ if(in->flags & 0x80)
+ out->type_on_tape = TAPE390_KEKL_TYPE_HASH;
+ else
+ out->type_on_tape = TAPE390_KEKL_TYPE_LABEL;
+ memcpy(out->label, in->label, sizeof(in->label));
+ EBCASC(out->label, sizeof(in->label));
+ strstrip(out->label);
+}
+
+static void int_to_ext_kekl_pair(struct tape3592_kekl_pair *in,
+ struct tape390_kekl_pair *out)
+{
+ if (in->count == 0) {
+ out->kekl[0].type = TAPE390_KEKL_TYPE_NONE;
+ out->kekl[0].type_on_tape = TAPE390_KEKL_TYPE_NONE;
+ out->kekl[1].type = TAPE390_KEKL_TYPE_NONE;
+ out->kekl[1].type_on_tape = TAPE390_KEKL_TYPE_NONE;
+ } else if (in->count == 1) {
+ int_to_ext_kekl(&in->kekl[0], &out->kekl[0]);
+ out->kekl[1].type = TAPE390_KEKL_TYPE_NONE;
+ out->kekl[1].type_on_tape = TAPE390_KEKL_TYPE_NONE;
+ } else if (in->count == 2) {
+ int_to_ext_kekl(&in->kekl[0], &out->kekl[0]);
+ int_to_ext_kekl(&in->kekl[1], &out->kekl[1]);
+ } else {
+ printk("Invalid KEKL number: %d\n", in->count);
+ BUG();
+ }
+}
+
+static int check_ext_kekl(struct tape390_kekl *kekl)
+{
+ if (kekl->type == TAPE390_KEKL_TYPE_NONE)
+ goto invalid;
+ if (kekl->type > TAPE390_KEKL_TYPE_HASH)
+ goto invalid;
+ if (kekl->type_on_tape == TAPE390_KEKL_TYPE_NONE)
+ goto invalid;
+ if (kekl->type_on_tape > TAPE390_KEKL_TYPE_HASH)
+ goto invalid;
+ if ((kekl->type == TAPE390_KEKL_TYPE_HASH) &&
+ (kekl->type_on_tape == TAPE390_KEKL_TYPE_LABEL))
+ goto invalid;
+
+ return 0;
+invalid:
+ return -EINVAL;
+}
+
+static int check_ext_kekl_pair(struct tape390_kekl_pair *kekls)
+{
+ if (check_ext_kekl(&kekls->kekl[0]))
+ goto invalid;
+ if (check_ext_kekl(&kekls->kekl[1]))
+ goto invalid;
+
+ return 0;
+invalid:
+ return -EINVAL;
+}
+
+/*
+ * Query KEKLs
+ */
+static int tape_3592_kekl_query(struct tape_device *device,
+ struct tape390_kekl_pair *ext_kekls)
+{
+ struct tape_request *request;
+ struct tape3592_kekl_query_order *order;
+ struct tape3592_kekl_query_data *int_kekls;
+ int rc;
+
+ DBF_EVENT(6, "tape3592_kekl_query\n");
+ int_kekls = kmalloc(sizeof(*int_kekls), GFP_KERNEL|GFP_DMA);
+ if (!int_kekls)
+ return -ENOMEM;
+ request = tape_alloc_request(2, sizeof(*order));
+ if (IS_ERR(request)) {
+ rc = PTR_ERR(request);
+ goto fail_malloc;
+ }
+ order = request->cpdata;
+ memset(order,0,sizeof(*order));
+ order->code = 0xe2;
+ order->max_count = 2;
+ request->op = TO_KEKL_QUERY;
+ tape_ccw_cc(request->cpaddr, PERF_SUBSYS_FUNC, sizeof(*order), order);
+ tape_ccw_end(request->cpaddr + 1, READ_SS_DATA, sizeof(*int_kekls),
+ int_kekls);
+ rc = tape_do_io(device, request);
+ if (rc)
+ goto fail_request;
+ int_to_ext_kekl_pair(&int_kekls->kekls, ext_kekls);
+
+ rc = 0;
+fail_request:
+ tape_free_request(request);
+fail_malloc:
+ kfree(int_kekls);
+ return rc;
+}
+
+/*
+ * IOCTL: Query KEKLs
+ */
+static int tape_3592_ioctl_kekl_query(struct tape_device *device,
+ unsigned long arg)
+{
+ int rc;
+ struct tape390_kekl_pair *ext_kekls;
+
+ DBF_EVENT(6, "tape_3592_ioctl_kekl_query\n");
+ if (!crypt_supported(device))
+ return -ENOSYS;
+ if (!crypt_enabled(device))
+ return -EUNATCH;
+ ext_kekls = kmalloc(sizeof(*ext_kekls), GFP_KERNEL);
+ if (!ext_kekls)
+ return -ENOMEM;
+ rc = tape_3592_kekl_query(device, ext_kekls);
+ if (rc != 0)
+ goto fail;
+ if (copy_to_user((char __user *) arg, ext_kekls, sizeof(*ext_kekls))) {
+ rc = -EFAULT;
+ goto fail;
+ }
+ rc = 0;
+fail:
+ kfree(ext_kekls);
+ return rc;
+}
+
+static int tape_3590_mttell(struct tape_device *device, int mt_count);
+
+/*
+ * Set KEKLs
+ */
+static int tape_3592_kekl_set(struct tape_device *device,
+ struct tape390_kekl_pair *ext_kekls)
+{
+ struct tape_request *request;
+ struct tape3592_kekl_set_order *order;
+
+ DBF_EVENT(6, "tape3592_kekl_set\n");
+ if (check_ext_kekl_pair(ext_kekls)) {
+ DBF_EVENT(6, "invalid kekls\n");
+ return -EINVAL;
+ }
+ if (tape_3590_mttell(device, 0) != 0)
+ return -EBADSLT;
+ request = tape_alloc_request(1, sizeof(*order));
+ if (IS_ERR(request))
+ return PTR_ERR(request);
+ order = request->cpdata;
+ memset(order, 0, sizeof(*order));
+ order->code = 0xe3;
+ order->kekls.count = 2;
+ ext_to_int_kekl(&ext_kekls->kekl[0], &order->kekls.kekl[0]);
+ ext_to_int_kekl(&ext_kekls->kekl[1], &order->kekls.kekl[1]);
+ request->op = TO_KEKL_SET;
+ tape_ccw_end(request->cpaddr, PERF_SUBSYS_FUNC, sizeof(*order), order);
+
+ return tape_do_io_free(device, request);
+}
+
+/*
+ * IOCTL: Set KEKLs
+ */
+static int tape_3592_ioctl_kekl_set(struct tape_device *device,
+ unsigned long arg)
+{
+ int rc;
+ struct tape390_kekl_pair *ext_kekls;
+
+ DBF_EVENT(6, "tape_3592_ioctl_kekl_set\n");
+ if (!crypt_supported(device))
+ return -ENOSYS;
+ if (!crypt_enabled(device))
+ return -EUNATCH;
+ ext_kekls = kmalloc(sizeof(*ext_kekls), GFP_KERNEL);
+ if (!ext_kekls)
+ return -ENOMEM;
+ if (copy_from_user(ext_kekls, (char __user *)arg, sizeof(*ext_kekls))) {
+ rc = -EFAULT;
+ goto out;
+ }
+ rc = tape_3592_kekl_set(device, ext_kekls);
+out:
+ kfree(ext_kekls);
+ return rc;
+}
+
+/*
+ * Enable encryption
+ */
+static int tape_3592_enable_crypt(struct tape_device *device)
+{
+ struct tape_request *request;
+ char *data;
+
+ DBF_EVENT(6, "tape_3592_enable_crypt\n");
+ if (!crypt_supported(device))
+ return -ENOSYS;
+ request = tape_alloc_request(2, 72);
+ if (IS_ERR(request))
+ return PTR_ERR(request);
+ data = request->cpdata;
+ memset(data,0,72);
+
+ data[0] = 0x05;
+ data[36 + 0] = 0x03;
+ data[36 + 1] = 0x03;
+ data[36 + 4] = 0x40;
+ data[36 + 6] = 0x01;
+ data[36 + 14] = 0x2f;
+ data[36 + 18] = 0xc3;
+ data[36 + 35] = 0x72;
+ request->op = TO_CRYPT_ON;
+ tape_ccw_cc(request->cpaddr, MODE_SET_CB, 36, data);
+ tape_ccw_end(request->cpaddr + 1, MODE_SET_CB, 36, data + 36);
+ return tape_do_io_free(device, request);
+}
+
+/*
+ * Disable encryption
+ */
+static int tape_3592_disable_crypt(struct tape_device *device)
+{
+ struct tape_request *request;
+ char *data;
+
+ DBF_EVENT(6, "tape_3592_disable_crypt\n");
+ if (!crypt_supported(device))
+ return -ENOSYS;
+ request = tape_alloc_request(2, 72);
+ if (IS_ERR(request))
+ return PTR_ERR(request);
+ data = request->cpdata;
+ memset(data,0,72);
+
+ data[0] = 0x05;
+ data[36 + 0] = 0x03;
+ data[36 + 1] = 0x03;
+ data[36 + 35] = 0x32;
+
+ request->op = TO_CRYPT_OFF;
+ tape_ccw_cc(request->cpaddr, MODE_SET_CB, 36, data);
+ tape_ccw_end(request->cpaddr + 1, MODE_SET_CB, 36, data + 36);
+
+ return tape_do_io_free(device, request);
+}
+
+/*
+ * IOCTL: Set encryption status
+ */
+static int tape_3592_ioctl_crypt_set(struct tape_device *device,
+ unsigned long arg)
+{
+ struct tape390_crypt_info info;
+
+ DBF_EVENT(6, "tape_3592_ioctl_crypt_set\n");
+ if (!crypt_supported(device))
+ return -ENOSYS;
+ if (copy_from_user(&info, (char __user *)arg, sizeof(info)))
+ return -EFAULT;
+ if (info.status & ~TAPE390_CRYPT_ON_MASK)
+ return -EINVAL;
+ if (info.status & TAPE390_CRYPT_ON_MASK)
+ return tape_3592_enable_crypt(device);
+ else
+ return tape_3592_disable_crypt(device);
+}
+
+static int tape_3590_sense_medium(struct tape_device *device);
+
+/*
+ * IOCTL: Query enryption status
+ */
+static int tape_3592_ioctl_crypt_query(struct tape_device *device,
+ unsigned long arg)
+{
+ DBF_EVENT(6, "tape_3592_ioctl_crypt_query\n");
+ if (!crypt_supported(device))
+ return -ENOSYS;
+ tape_3590_sense_medium(device);
+ if (copy_to_user((char __user *) arg, &TAPE_3590_CRYPT_INFO(device),
+ sizeof(TAPE_3590_CRYPT_INFO(device))))
+ return -EFAULT;
+ else
+ return 0;
+}
+
/*
* 3590 IOCTL Overload
*/
@@ -109,6 +436,14 @@ tape_3590_ioctl(struct tape_device *device, unsigned int cmd, unsigned long arg)
return tape_std_display(device, &disp);
}
+ case TAPE390_KEKL_SET:
+ return tape_3592_ioctl_kekl_set(device, arg);
+ case TAPE390_KEKL_QUERY:
+ return tape_3592_ioctl_kekl_query(device, arg);
+ case TAPE390_CRYPT_SET:
+ return tape_3592_ioctl_crypt_set(device, arg);
+ case TAPE390_CRYPT_QUERY:
+ return tape_3592_ioctl_crypt_query(device, arg);
default:
return -EINVAL; /* no additional ioctls */
}
@@ -248,6 +583,12 @@ tape_3590_work_handler(struct work_struct *work)
case TO_READ_ATTMSG:
tape_3590_read_attmsg(p->device);
break;
+ case TO_CRYPT_ON:
+ tape_3592_enable_crypt(p->device);
+ break;
+ case TO_CRYPT_OFF:
+ tape_3592_disable_crypt(p->device);
+ break;
default:
DBF_EVENT(3, "T3590: work handler undefined for "
"operation 0x%02x\n", p->op);
@@ -365,6 +706,33 @@ tape_3590_check_locate(struct tape_device *device, struct tape_request *request)
}
#endif
+static void tape_3590_med_state_set(struct tape_device *device,
+ struct tape_3590_med_sense *sense)
+{
+ struct tape390_crypt_info *c_info;
+
+ c_info = &TAPE_3590_CRYPT_INFO(device);
+
+ if (sense->masst == MSENSE_UNASSOCIATED) {
+ tape_med_state_set(device, MS_UNLOADED);
+ TAPE_3590_CRYPT_INFO(device).medium_status = 0;
+ return;
+ }
+ if (sense->masst != MSENSE_ASSOCIATED_MOUNT) {
+ PRINT_ERR("Unknown medium state: %x\n", sense->masst);
+ return;
+ }
+ tape_med_state_set(device, MS_LOADED);
+ c_info->medium_status |= TAPE390_MEDIUM_LOADED_MASK;
+ if (sense->flags & MSENSE_CRYPT_MASK) {
+ PRINT_INFO("Medium is encrypted (%04x)\n", sense->flags);
+ c_info->medium_status |= TAPE390_MEDIUM_ENCRYPTED_MASK;
+ } else {
+ DBF_EVENT(6, "Medium is not encrypted %04x\n", sense->flags);
+ c_info->medium_status &= ~TAPE390_MEDIUM_ENCRYPTED_MASK;
+ }
+}
+
/*
* The done handler is called at device/channel end and wakes up the sleeping
* process
@@ -372,9 +740,10 @@ tape_3590_check_locate(struct tape_device *device, struct tape_request *request)
static int
tape_3590_done(struct tape_device *device, struct tape_request *request)
{
- struct tape_3590_med_sense *sense;
+ struct tape_3590_disc_data *disc_data;
DBF_EVENT(6, "%s done\n", tape_op_verbose[request->op]);
+ disc_data = device->discdata;
switch (request->op) {
case TO_BSB:
@@ -394,13 +763,20 @@ tape_3590_done(struct tape_device *device, struct tape_request *request)
break;
case TO_RUN:
tape_med_state_set(device, MS_UNLOADED);
+ tape_3590_schedule_work(device, TO_CRYPT_OFF);
break;
case TO_MSEN:
- sense = (struct tape_3590_med_sense *) request->cpdata;
- if (sense->masst == MSENSE_UNASSOCIATED)
- tape_med_state_set(device, MS_UNLOADED);
- if (sense->masst == MSENSE_ASSOCIATED_MOUNT)
- tape_med_state_set(device, MS_LOADED);
+ tape_3590_med_state_set(device, request->cpdata);
+ break;
+ case TO_CRYPT_ON:
+ TAPE_3590_CRYPT_INFO(device).status
+ |= TAPE390_CRYPT_ON_MASK;
+ *(device->modeset_byte) |= 0x03;
+ break;
+ case TO_CRYPT_OFF:
+ TAPE_3590_CRYPT_INFO(device).status
+ &= ~TAPE390_CRYPT_ON_MASK;
+ *(device->modeset_byte) &= ~0x03;
break;
case TO_RBI: /* RBI seems to succeed even without medium loaded. */
case TO_NOP: /* Same to NOP. */
@@ -409,8 +785,9 @@ tape_3590_done(struct tape_device *device, struct tape_request *request)
case TO_DIS:
case TO_ASSIGN:
case TO_UNASSIGN:
- break;
case TO_SIZE:
+ case TO_KEKL_SET:
+ case TO_KEKL_QUERY:
break;
}
return TAPE_IO_SUCCESS;
@@ -540,10 +917,8 @@ static int
tape_3590_erp_long_busy(struct tape_device *device,
struct tape_request *request, struct irb *irb)
{
- /* FIXME: how about WAITING for a minute ? */
- PRINT_WARN("(%s): Device is busy! Please wait a minute!\n",
- device->cdev->dev.bus_id);
- return tape_3590_erp_basic(device, request, irb, -EBUSY);
+ DBF_EVENT(6, "Device is busy\n");
+ return TAPE_IO_LONG_BUSY;
}
/*
@@ -951,6 +1326,34 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
device->cdev->dev.bus_id, sense->mc);
}
+static int tape_3590_crypt_error(struct tape_device *device,
+ struct tape_request *request, struct irb *irb)
+{
+ u8 cu_rc, ekm_rc1;
+ u16 ekm_rc2;
+ u32 drv_rc;
+ char *bus_id, *sense;
+
+ sense = ((struct tape_3590_sense *) irb->ecw)->fmt.data;
+ bus_id = device->cdev->dev.bus_id;
+ cu_rc = sense[0];
+ drv_rc = *((u32*) &sense[5]) & 0xffffff;
+ ekm_rc1 = sense[9];
+ ekm_rc2 = *((u16*) &sense[10]);
+ if ((cu_rc == 0) && (ekm_rc2 == 0xee31))
+ /* key not defined on EKM */
+ return tape_3590_erp_basic(device, request, irb, -EKEYREJECTED);
+ if ((cu_rc == 1) || (cu_rc == 2))
+ /* No connection to EKM */
+ return tape_3590_erp_basic(device, request, irb, -ENOTCONN);
+
+ PRINT_ERR("(%s): Unable to get encryption key from EKM\n", bus_id);
+ PRINT_ERR("(%s): CU=%02X DRIVE=%06X EKM=%02X:%04X\n", bus_id, cu_rc,
+ drv_rc, ekm_rc1, ekm_rc2);
+
+ return tape_3590_erp_basic(device, request, irb, -ENOKEY);
+}
+
/*
* 3590 error Recovery routine:
* If possible, it tries to recover from the error. If this is not possible,
@@ -979,6 +1382,8 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
sense = (struct tape_3590_sense *) irb->ecw;
+ DBF_EVENT(6, "Unit Check: RQC = %x\n", sense->rc_rqc);
+
/*
* First check all RC-QRCs where we want to do something special
* - "break": basic error recovery is done
@@ -999,6 +1404,8 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
case 0x2231:
tape_3590_print_era_msg(device, irb);
return tape_3590_erp_special_interrupt(device, request, irb);
+ case 0x2240:
+ return tape_3590_crypt_error(device, request, irb);
case 0x3010:
DBF_EVENT(2, "(%08x): Backward at Beginning of Partition\n",
@@ -1020,6 +1427,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
DBF_EVENT(2, "(%08x): Rewind Unload complete\n",
device->cdev_id);
tape_med_state_set(device, MS_UNLOADED);
+ tape_3590_schedule_work(device, TO_CRYPT_OFF);
return tape_3590_erp_basic(device, request, irb, 0);
case 0x4010:
@@ -1030,9 +1438,15 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
PRINT_WARN("(%s): Tape operation when medium not loaded\n",
device->cdev->dev.bus_id);
tape_med_state_set(device, MS_UNLOADED);
+ tape_3590_schedule_work(device, TO_CRYPT_OFF);
return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM);
case 0x4012: /* Device Long Busy */
+ /* XXX: Also use long busy handling here? */
+ DBF_EVENT(6, "(%08x): LONG BUSY\n", device->cdev_id);
tape_3590_print_era_msg(device, irb);
+ return tape_3590_erp_basic(device, request, irb, -EBUSY);
+ case 0x4014:
+ DBF_EVENT(6, "(%08x): Crypto LONG BUSY\n", device->cdev_id);
return tape_3590_erp_long_busy(device, request, irb);
case 0x5010:
@@ -1064,6 +1478,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
case 0x5120:
case 0x1120:
tape_med_state_set(device, MS_UNLOADED);
+ tape_3590_schedule_work(device, TO_CRYPT_OFF);
return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM);
case 0x6020:
@@ -1142,21 +1557,47 @@ tape_3590_setup_device(struct tape_device *device)
{
int rc;
struct tape_3590_disc_data *data;
+ char *rdc_data;
DBF_EVENT(6, "3590 device setup\n");
- data = kmalloc(sizeof(struct tape_3590_disc_data),
- GFP_KERNEL | GFP_DMA);
+ data = kzalloc(sizeof(struct tape_3590_disc_data), GFP_KERNEL | GFP_DMA);
if (data == NULL)
return -ENOMEM;
data->read_back_op = READ_PREVIOUS;
device->discdata = data;
- if ((rc = tape_std_assign(device)) == 0) {
- /* Try to find out if medium is loaded */
- if ((rc = tape_3590_sense_medium(device)) != 0)
- DBF_LH(3, "3590 medium sense returned %d\n", rc);
+ rdc_data = kmalloc(64, GFP_KERNEL | GFP_DMA);
+ if (!rdc_data) {
+ rc = -ENOMEM;
+ goto fail_kmalloc;
+ }
+ rc = read_dev_chars(device->cdev, (void**)&rdc_data, 64);
+ if (rc) {
+ DBF_LH(3, "Read device characteristics failed!\n");
+ goto fail_kmalloc;
+ }
+ rc = tape_std_assign(device);
+ if (rc)
+ goto fail_rdc_data;
+ if (rdc_data[31] == 0x13) {
+ PRINT_INFO("Device has crypto support\n");
+ data->crypt_info.capability |= TAPE390_CRYPT_SUPPORTED_MASK;
+ tape_3592_disable_crypt(device);
+ } else {
+ DBF_EVENT(6, "Device has NO crypto support\n");
}
+ /* Try to find out if medium is loaded */
+ rc = tape_3590_sense_medium(device);
+ if (rc) {
+ DBF_LH(3, "3590 medium sense returned %d\n", rc);
+ goto fail_rdc_data;
+ }
+ return 0;
+fail_rdc_data:
+ kfree(rdc_data);
+fail_kmalloc:
+ kfree(data);
return rc;
}
diff --git a/drivers/s390/char/tape_3590.h b/drivers/s390/char/tape_3590.h
index cf274b9445a..aa5138807af 100644
--- a/drivers/s390/char/tape_3590.h
+++ b/drivers/s390/char/tape_3590.h
@@ -2,7 +2,7 @@
* drivers/s390/char/tape_3590.h
* tape device discipline for 3590 tapes.
*
- * Copyright (C) IBM Corp. 2001,2006
+ * Copyright IBM Corp. 2001,2006
* Author(s): Stefan Bader <shbader@de.ibm.com>
* Michael Holzheu <holzheu@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
@@ -38,16 +38,22 @@
#define MSENSE_UNASSOCIATED 0x00
#define MSENSE_ASSOCIATED_MOUNT 0x01
#define MSENSE_ASSOCIATED_UMOUNT 0x02
+#define MSENSE_CRYPT_MASK 0x00000010
#define TAPE_3590_MAX_MSG 0xb0
/* Datatypes */
struct tape_3590_disc_data {
- unsigned char modeset_byte;
+ struct tape390_crypt_info crypt_info;
int read_back_op;
};
+#define TAPE_3590_CRYPT_INFO(device) \
+ ((struct tape_3590_disc_data*)(device->discdata))->crypt_info
+#define TAPE_3590_READ_BACK_OP(device) \
+ ((struct tape_3590_disc_data*)(device->discdata))->read_back_op
+
struct tape_3590_sense {
unsigned int command_rej:1;
@@ -118,7 +124,48 @@ struct tape_3590_sense {
struct tape_3590_med_sense {
unsigned int macst:4;
unsigned int masst:4;
- char pad[127];
+ char pad1[7];
+ unsigned int flags;
+ char pad2[116];
+} __attribute__ ((packed));
+
+/* Datastructures for 3592 encryption support */
+
+struct tape3592_kekl {
+ __u8 flags;
+ char label[64];
+} __attribute__ ((packed));
+
+struct tape3592_kekl_pair {
+ __u8 count;
+ struct tape3592_kekl kekl[2];
+} __attribute__ ((packed));
+
+struct tape3592_kekl_query_data {
+ __u16 len;
+ __u8 fmt;
+ __u8 mc;
+ __u32 id;
+ __u8 flags;
+ struct tape3592_kekl_pair kekls;
+ char reserved[116];
+} __attribute__ ((packed));
+
+struct tape3592_kekl_query_order {
+ __u8 code;
+ __u8 flags;
+ char reserved1[2];
+ __u8 max_count;
+ char reserved2[35];
+} __attribute__ ((packed));
+
+struct tape3592_kekl_set_order {
+ __u8 code;
+ __u8 flags;
+ char reserved1[2];
+ __u8 op;
+ struct tape3592_kekl_pair kekls;
+ char reserved2[120];
} __attribute__ ((packed));
#endif /* _TAPE_3590_H */
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index c8a89b3b87d..dd0ecaed592 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -73,7 +73,7 @@ tapeblock_trigger_requeue(struct tape_device *device)
/*
* Post finished request.
*/
-static inline void
+static void
tapeblock_end_request(struct request *req, int uptodate)
{
if (end_that_request_first(req, uptodate, req->hard_nr_sectors))
@@ -108,7 +108,7 @@ __tapeblock_end_request(struct tape_request *ccw_req, void *data)
/*
* Feed the tape device CCW queue with requests supplied in a list.
*/
-static inline int
+static int
tapeblock_start_request(struct tape_device *device, struct request *req)
{
struct tape_request * ccw_req;
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 31198c8f271..9faea04e11e 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -3,7 +3,7 @@
* character device frontend for tape device driver
*
* S390 and zSeries version
- * Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright IBM Corp. 2001,2006
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Michael Holzheu <holzheu@de.ibm.com>
* Tuan Ngo-Anh <ngoanh@de.ibm.com>
@@ -89,22 +89,7 @@ tapechar_cleanup_device(struct tape_device *device)
device->nt = NULL;
}
-/*
- * Terminate write command (we write two TMs and skip backward over last)
- * This ensures that the tape is always correctly terminated.
- * When the user writes afterwards a new file, he will overwrite the
- * second TM and therefore one TM will remain to separate the
- * two files on the tape...
- */
-static inline void
-tapechar_terminate_write(struct tape_device *device)
-{
- if (tape_mtop(device, MTWEOF, 1) == 0 &&
- tape_mtop(device, MTWEOF, 1) == 0)
- tape_mtop(device, MTBSR, 1);
-}
-
-static inline int
+static int
tapechar_check_idalbuffer(struct tape_device *device, size_t block_size)
{
struct idal_buffer *new;
@@ -137,7 +122,7 @@ tapechar_check_idalbuffer(struct tape_device *device, size_t block_size)
/*
* Tape device read function
*/
-ssize_t
+static ssize_t
tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos)
{
struct tape_device *device;
@@ -201,7 +186,7 @@ tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos)
/*
* Tape device write function
*/
-ssize_t
+static ssize_t
tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t *ppos)
{
struct tape_device *device;
@@ -291,7 +276,7 @@ tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t
/*
* Character frontend tape device open function.
*/
-int
+static int
tapechar_open (struct inode *inode, struct file *filp)
{
struct tape_device *device;
@@ -326,7 +311,7 @@ tapechar_open (struct inode *inode, struct file *filp)
* Character frontend tape device release function.
*/
-int
+static int
tapechar_release(struct inode *inode, struct file *filp)
{
struct tape_device *device;
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index c6c2e918b99..e2a8a1a04ba 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -3,7 +3,7 @@
* basic function of the tape device driver
*
* S390 and zSeries version
- * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright IBM Corp. 2001,2006
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Michael Holzheu <holzheu@de.ibm.com>
* Tuan Ngo-Anh <ngoanh@de.ibm.com>
@@ -26,9 +26,11 @@
#include "tape_std.h"
#define PRINTK_HEADER "TAPE_CORE: "
+#define LONG_BUSY_TIMEOUT 180 /* seconds */
static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *);
static void tape_delayed_next_request(struct work_struct *);
+static void tape_long_busy_timeout(unsigned long data);
/*
* One list to contain all tape devices of all disciplines, so
@@ -69,10 +71,12 @@ const char *tape_op_verbose[TO_SIZE] =
[TO_LOAD] = "LOA", [TO_READ_CONFIG] = "RCF",
[TO_READ_ATTMSG] = "RAT",
[TO_DIS] = "DIS", [TO_ASSIGN] = "ASS",
- [TO_UNASSIGN] = "UAS"
+ [TO_UNASSIGN] = "UAS", [TO_CRYPT_ON] = "CON",
+ [TO_CRYPT_OFF] = "COF", [TO_KEKL_SET] = "KLS",
+ [TO_KEKL_QUERY] = "KLQ",
};
-static inline int
+static int
busid_to_int(char *bus_id)
{
int dec;
@@ -252,7 +256,7 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate)
/*
* Stop running ccw. Has to be called with the device lock held.
*/
-static inline int
+static int
__tape_cancel_io(struct tape_device *device, struct tape_request *request)
{
int retries;
@@ -346,6 +350,9 @@ tape_generic_online(struct tape_device *device,
return -EINVAL;
}
+ init_timer(&device->lb_timeout);
+ device->lb_timeout.function = tape_long_busy_timeout;
+
/* Let the discipline have a go at the device. */
device->discipline = discipline;
if (!try_module_get(discipline->owner)) {
@@ -385,7 +392,7 @@ out:
return rc;
}
-static inline void
+static void
tape_cleanup_device(struct tape_device *device)
{
tapeblock_cleanup_device(device);
@@ -563,7 +570,7 @@ tape_generic_probe(struct ccw_device *cdev)
return ret;
}
-static inline void
+static void
__tape_discard_requests(struct tape_device *device)
{
struct tape_request * request;
@@ -703,7 +710,7 @@ tape_free_request (struct tape_request * request)
kfree(request);
}
-static inline int
+static int
__tape_start_io(struct tape_device *device, struct tape_request *request)
{
int rc;
@@ -733,7 +740,7 @@ __tape_start_io(struct tape_device *device, struct tape_request *request)
return rc;
}
-static inline void
+static void
__tape_start_next_request(struct tape_device *device)
{
struct list_head *l, *n;
@@ -801,7 +808,23 @@ tape_delayed_next_request(struct work_struct *work)
spin_unlock_irq(get_ccwdev_lock(device->cdev));
}
-static inline void
+static void tape_long_busy_timeout(unsigned long data)
+{
+ struct tape_request *request;
+ struct tape_device *device;
+
+ device = (struct tape_device *) data;
+ spin_lock_irq(get_ccwdev_lock(device->cdev));
+ request = list_entry(device->req_queue.next, struct tape_request, list);
+ if (request->status != TAPE_REQUEST_LONG_BUSY)
+ BUG();
+ DBF_LH(6, "%08x: Long busy timeout.\n", device->cdev_id);
+ __tape_start_next_request(device);
+ device->lb_timeout.data = (unsigned long) tape_put_device(device);
+ spin_unlock_irq(get_ccwdev_lock(device->cdev));
+}
+
+static void
__tape_end_request(
struct tape_device * device,
struct tape_request * request,
@@ -878,7 +901,7 @@ tape_dump_sense_dbf(struct tape_device *device, struct tape_request *request,
* and starts it if the tape is idle. Has to be called with
* the device lock held.
*/
-static inline int
+static int
__tape_start_request(struct tape_device *device, struct tape_request *request)
{
int rc;
@@ -1094,7 +1117,22 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
/* May be an unsolicited irq */
if(request != NULL)
request->rescnt = irb->scsw.count;
-
+ else if ((irb->scsw.dstat == 0x85 || irb->scsw.dstat == 0x80) &&
+ !list_empty(&device->req_queue)) {
+ /* Not Ready to Ready after long busy ? */
+ struct tape_request *req;
+ req = list_entry(device->req_queue.next,
+ struct tape_request, list);
+ if (req->status == TAPE_REQUEST_LONG_BUSY) {
+ DBF_EVENT(3, "(%08x): del timer\n", device->cdev_id);
+ if (del_timer(&device->lb_timeout)) {
+ device->lb_timeout.data = (unsigned long)
+ tape_put_device(device);
+ __tape_start_next_request(device);
+ }
+ return;
+ }
+ }
if (irb->scsw.dstat != 0x0c) {
/* Set the 'ONLINE' flag depending on sense byte 1 */
if(*(((__u8 *) irb->ecw) + 1) & SENSE_DRIVE_ONLINE)
@@ -1142,6 +1180,15 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
break;
case TAPE_IO_PENDING:
break;
+ case TAPE_IO_LONG_BUSY:
+ device->lb_timeout.data =
+ (unsigned long)tape_get_device_reference(device);
+ device->lb_timeout.expires = jiffies +
+ LONG_BUSY_TIMEOUT * HZ;
+ DBF_EVENT(3, "(%08x): add timer\n", device->cdev_id);
+ add_timer(&device->lb_timeout);
+ request->status = TAPE_REQUEST_LONG_BUSY;
+ break;
case TAPE_IO_RETRY:
rc = __tape_start_io(device, request);
if (rc)
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 09844621edc..bc33068b9ce 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -36,7 +36,7 @@
struct tty_driver *tty3270_driver;
static int tty3270_max_index;
-struct raw3270_fn tty3270_fn;
+static struct raw3270_fn tty3270_fn;
struct tty3270_cell {
unsigned char character;
@@ -119,8 +119,7 @@ static void tty3270_update(struct tty3270 *);
/*
* Setup timeout for a device. On timeout trigger an update.
*/
-void
-tty3270_set_timer(struct tty3270 *tp, int expires)
+static void tty3270_set_timer(struct tty3270 *tp, int expires)
{
if (expires == 0) {
if (timer_pending(&tp->timer) && del_timer(&tp->timer))
@@ -841,7 +840,7 @@ tty3270_del_views(void)
}
}
-struct raw3270_fn tty3270_fn = {
+static struct raw3270_fn tty3270_fn = {
.activate = tty3270_activate,
.deactivate = tty3270_deactivate,
.intv = (void *) tty3270_irq,
@@ -1754,8 +1753,7 @@ static const struct tty_operations tty3270_ops = {
.set_termios = tty3270_set_termios
};
-void
-tty3270_notifier(int index, int active)
+static void tty3270_notifier(int index, int active)
{
if (active)
tty_register_device(tty3270_driver, index, NULL);
@@ -1767,8 +1765,7 @@ tty3270_notifier(int index, int active)
* 3270 tty registration code called from tty_init().
* Most kernel services (incl. kmalloc) are available at this poimt.
*/
-int __init
-tty3270_init(void)
+static int __init tty3270_init(void)
{
struct tty_driver *driver;
int ret;
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index 6cb23040954..4f894dc2373 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -128,9 +128,8 @@ static iucv_interrupt_ops_t vmlogrdr_iucvops = {
.MessagePending = vmlogrdr_iucv_MessagePending,
};
-
-DECLARE_WAIT_QUEUE_HEAD(conn_wait_queue);
-DECLARE_WAIT_QUEUE_HEAD(read_wait_queue);
+static DECLARE_WAIT_QUEUE_HEAD(conn_wait_queue);
+static DECLARE_WAIT_QUEUE_HEAD(read_wait_queue);
/*
* pointer to system service private structure
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 12c2d6b746e..aa65df4dfce 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -43,7 +43,7 @@ typedef enum {add, free} range_action;
* Function: blacklist_range
* (Un-)blacklist the devices from-to
*/
-static inline void
+static void
blacklist_range (range_action action, unsigned int from, unsigned int to,
unsigned int ssid)
{
@@ -69,7 +69,7 @@ blacklist_range (range_action action, unsigned int from, unsigned int to,
* Get devno/busid from given string.
* Shamelessly grabbed from dasd_devmap.c.
*/
-static inline int
+static int
blacklist_busid(char **str, int *id0, int *ssid, int *devno)
{
int val, old_style;
@@ -123,10 +123,10 @@ confused:
return 1;
}
-static inline int
+static int
blacklist_parse_parameters (char *str, range_action action)
{
- unsigned int from, to, from_id0, to_id0, from_ssid, to_ssid;
+ int from, to, from_id0, to_id0, from_ssid, to_ssid;
while (*str != 0 && *str != '\n') {
range_action ra = action;
@@ -227,7 +227,7 @@ is_blacklisted (int ssid, int devno)
* Function: blacklist_parse_proc_parameters
* parse the stuff which is piped to /proc/cio_ignore
*/
-static inline void
+static void
blacklist_parse_proc_parameters (char *buf)
{
if (strncmp (buf, "free ", 5) == 0) {
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 38954f5cd14..d48e3ca4752 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -53,7 +53,7 @@ ccwgroup_uevent (struct device *dev, char **envp, int num_envp, char *buffer,
static struct bus_type ccwgroup_bus_type;
-static inline void
+static void
__ccwgroup_remove_symlinks(struct ccwgroup_device *gdev)
{
int i;
@@ -104,7 +104,7 @@ ccwgroup_release (struct device *dev)
kfree(gdev);
}
-static inline int
+static int
__ccwgroup_create_symlinks(struct ccwgroup_device *gdev)
{
char str[8];
@@ -424,7 +424,7 @@ ccwgroup_probe_ccwdev(struct ccw_device *cdev)
return 0;
}
-static inline struct ccwgroup_device *
+static struct ccwgroup_device *
__ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev)
{
struct ccwgroup_device *gdev;
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index cbab8d2ce5c..6f05a44e381 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -93,7 +93,7 @@ chsc_get_sch_desc_irq(struct subchannel *sch, void *page)
u16 sch; /* subchannel */
u8 chpid[8]; /* chpids 0-7 */
u16 fla[8]; /* full link addresses 0-7 */
- } *ssd_area;
+ } __attribute__ ((packed)) *ssd_area;
ssd_area = page;
@@ -277,7 +277,7 @@ out_unreg:
return 0;
}
-static inline void
+static void
s390_set_chpid_offline( __u8 chpid)
{
char dbf_txt[15];
@@ -338,7 +338,7 @@ s390_process_res_acc_sch(struct res_acc_data *res_data, struct subchannel *sch)
return 0x80 >> chp;
}
-static inline int
+static int
s390_process_res_acc_new_sch(struct subchannel_id schid)
{
struct schib schib;
@@ -444,7 +444,7 @@ __get_chpid_from_lir(void *data)
u32 andesc[28];
/* incident-specific information */
u32 isinfo[28];
- } *lir;
+ } __attribute__ ((packed)) *lir;
lir = data;
if (!(lir->iq&0x80))
@@ -461,154 +461,146 @@ __get_chpid_from_lir(void *data)
return (u16) (lir->indesc[0]&0x000000ff);
}
-int
-chsc_process_crw(void)
+struct chsc_sei_area {
+ struct chsc_header request;
+ u32 reserved1;
+ u32 reserved2;
+ u32 reserved3;
+ struct chsc_header response;
+ u32 reserved4;
+ u8 flags;
+ u8 vf; /* validity flags */
+ u8 rs; /* reporting source */
+ u8 cc; /* content code */
+ u16 fla; /* full link address */
+ u16 rsid; /* reporting source id */
+ u32 reserved5;
+ u32 reserved6;
+ u8 ccdf[4096 - 16 - 24]; /* content-code dependent field */
+ /* ccdf has to be big enough for a link-incident record */
+} __attribute__ ((packed));
+
+static int chsc_process_sei_link_incident(struct chsc_sei_area *sei_area)
+{
+ int chpid;
+
+ CIO_CRW_EVENT(4, "chsc: link incident (rs=%02x, rs_id=%04x)\n",
+ sei_area->rs, sei_area->rsid);
+ if (sei_area->rs != 4)
+ return 0;
+ chpid = __get_chpid_from_lir(sei_area->ccdf);
+ if (chpid < 0)
+ CIO_CRW_EVENT(4, "chsc: link incident - invalid LIR\n");
+ else
+ s390_set_chpid_offline(chpid);
+
+ return 0;
+}
+
+static int chsc_process_sei_res_acc(struct chsc_sei_area *sei_area)
{
- int chpid, ret;
struct res_acc_data res_data;
- struct {
- struct chsc_header request;
- u32 reserved1;
- u32 reserved2;
- u32 reserved3;
- struct chsc_header response;
- u32 reserved4;
- u8 flags;
- u8 vf; /* validity flags */
- u8 rs; /* reporting source */
- u8 cc; /* content code */
- u16 fla; /* full link address */
- u16 rsid; /* reporting source id */
- u32 reserved5;
- u32 reserved6;
- u32 ccdf[96]; /* content-code dependent field */
- /* ccdf has to be big enough for a link-incident record */
- } *sei_area;
+ struct device *dev;
+ int status;
+ int rc;
+
+ CIO_CRW_EVENT(4, "chsc: resource accessibility event (rs=%02x, "
+ "rs_id=%04x)\n", sei_area->rs, sei_area->rsid);
+ if (sei_area->rs != 4)
+ return 0;
+ /* allocate a new channel path structure, if needed */
+ status = get_chp_status(sei_area->rsid);
+ if (status < 0)
+ new_channel_path(sei_area->rsid);
+ else if (!status)
+ return 0;
+ dev = get_device(&css[0]->chps[sei_area->rsid]->dev);
+ memset(&res_data, 0, sizeof(struct res_acc_data));
+ res_data.chp = to_channelpath(dev);
+ if ((sei_area->vf & 0xc0) != 0) {
+ res_data.fla = sei_area->fla;
+ if ((sei_area->vf & 0xc0) == 0xc0)
+ /* full link address */
+ res_data.fla_mask = 0xffff;
+ else
+ /* link address */
+ res_data.fla_mask = 0xff00;
+ }
+ rc = s390_process_res_acc(&res_data);
+ put_device(dev);
+
+ return rc;
+}
+
+static int chsc_process_sei(struct chsc_sei_area *sei_area)
+{
+ int rc;
+
+ /* Check if we might have lost some information. */
+ if (sei_area->flags & 0x40)
+ CIO_CRW_EVENT(2, "chsc: event overflow\n");
+ /* which kind of information was stored? */
+ rc = 0;
+ switch (sei_area->cc) {
+ case 1: /* link incident*/
+ rc = chsc_process_sei_link_incident(sei_area);
+ break;
+ case 2: /* i/o resource accessibiliy */
+ rc = chsc_process_sei_res_acc(sei_area);
+ break;
+ default: /* other stuff */
+ CIO_CRW_EVENT(4, "chsc: unhandled sei content code %d\n",
+ sei_area->cc);
+ break;
+ }
+
+ return rc;
+}
+
+int chsc_process_crw(void)
+{
+ struct chsc_sei_area *sei_area;
+ int ret;
+ int rc;
if (!sei_page)
return 0;
- /*
- * build the chsc request block for store event information
- * and do the call
- * This function is only called by the machine check handler thread,
- * so we don't need locking for the sei_page.
- */
+ /* Access to sei_page is serialized through machine check handler
+ * thread, so no need for locking. */
sei_area = sei_page;
CIO_TRACE_EVENT( 2, "prcss");
ret = 0;
do {
- int ccode, status;
- struct device *dev;
memset(sei_area, 0, sizeof(*sei_area));
- memset(&res_data, 0, sizeof(struct res_acc_data));
sei_area->request.length = 0x0010;
sei_area->request.code = 0x000e;
+ if (chsc(sei_area))
+ break;
- ccode = chsc(sei_area);
- if (ccode > 0)
- return 0;
-
- switch (sei_area->response.code) {
- /* for debug purposes, check for problems */
- case 0x0001:
- CIO_CRW_EVENT(4, "chsc_process_crw: event information "
- "successfully stored\n");
- break; /* everything ok */
- case 0x0002:
- CIO_CRW_EVENT(2,
- "chsc_process_crw: invalid command!\n");
- return 0;
- case 0x0003:
- CIO_CRW_EVENT(2, "chsc_process_crw: error in chsc "
- "request block!\n");
- return 0;
- case 0x0005:
- CIO_CRW_EVENT(2, "chsc_process_crw: no event "
- "information stored\n");
- return 0;
- default:
- CIO_CRW_EVENT(2, "chsc_process_crw: chsc response %d\n",
+ if (sei_area->response.code == 0x0001) {
+ CIO_CRW_EVENT(4, "chsc: sei successful\n");
+ rc = chsc_process_sei(sei_area);
+ if (rc)
+ ret = rc;
+ } else {
+ CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x)\n",
sei_area->response.code);
- return 0;
- }
-
- /* Check if we might have lost some information. */
- if (sei_area->flags & 0x40)
- CIO_CRW_EVENT(2, "chsc_process_crw: Event information "
- "has been lost due to overflow!\n");
-
- if (sei_area->rs != 4) {
- CIO_CRW_EVENT(2, "chsc_process_crw: reporting source "
- "(%04X) isn't a chpid!\n",
- sei_area->rsid);
- continue;
- }
-
- /* which kind of information was stored? */
- switch (sei_area->cc) {
- case 1: /* link incident*/
- CIO_CRW_EVENT(4, "chsc_process_crw: "
- "channel subsystem reports link incident,"
- " reporting source is chpid %x\n",
- sei_area->rsid);
- chpid = __get_chpid_from_lir(sei_area->ccdf);
- if (chpid < 0)
- CIO_CRW_EVENT(4, "%s: Invalid LIR, skipping\n",
- __FUNCTION__);
- else
- s390_set_chpid_offline(chpid);
- break;
-
- case 2: /* i/o resource accessibiliy */
- CIO_CRW_EVENT(4, "chsc_process_crw: "
- "channel subsystem reports some I/O "
- "devices may have become accessible\n");
- pr_debug("Data received after sei: \n");
- pr_debug("Validity flags: %x\n", sei_area->vf);
-
- /* allocate a new channel path structure, if needed */
- status = get_chp_status(sei_area->rsid);
- if (status < 0)
- new_channel_path(sei_area->rsid);
- else if (!status)
- break;
- dev = get_device(&css[0]->chps[sei_area->rsid]->dev);
- res_data.chp = to_channelpath(dev);
- pr_debug("chpid: %x", sei_area->rsid);
- if ((sei_area->vf & 0xc0) != 0) {
- res_data.fla = sei_area->fla;
- if ((sei_area->vf & 0xc0) == 0xc0) {
- pr_debug(" full link addr: %x",
- sei_area->fla);
- res_data.fla_mask = 0xffff;
- } else {
- pr_debug(" link addr: %x",
- sei_area->fla);
- res_data.fla_mask = 0xff00;
- }
- }
- ret = s390_process_res_acc(&res_data);
- pr_debug("\n\n");
- put_device(dev);
- break;
-
- default: /* other stuff */
- CIO_CRW_EVENT(4, "chsc_process_crw: event %d\n",
- sei_area->cc);
+ ret = 0;
break;
}
} while (sei_area->flags & 0x80);
+
return ret;
}
-static inline int
+static int
__chp_add_new_sch(struct subchannel_id schid)
{
struct schib schib;
int ret;
- if (stsch(schid, &schib))
+ if (stsch_err(schid, &schib))
/* We're through */
return need_rescan ? -EAGAIN : -ENXIO;
@@ -709,7 +701,7 @@ chp_process_crw(int chpid, int on)
return chp_add(chpid);
}
-static inline int check_for_io_on_path(struct subchannel *sch, int index)
+static int check_for_io_on_path(struct subchannel *sch, int index)
{
int cc;
@@ -741,7 +733,7 @@ static void terminate_internal_io(struct subchannel *sch)
sch->driver->termination(&sch->dev);
}
-static inline void
+static void
__s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on)
{
int chp, old_lpm;
@@ -967,8 +959,8 @@ static struct bin_attribute chp_measurement_attr = {
static void
chsc_remove_chp_cmg_attr(struct channel_path *chp)
{
- sysfs_remove_bin_file(&chp->dev.kobj, &chp_measurement_chars_attr);
- sysfs_remove_bin_file(&chp->dev.kobj, &chp_measurement_attr);
+ device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);
+ device_remove_bin_file(&chp->dev, &chp_measurement_attr);
}
static int
@@ -976,14 +968,12 @@ chsc_add_chp_cmg_attr(struct channel_path *chp)
{
int ret;
- ret = sysfs_create_bin_file(&chp->dev.kobj,
- &chp_measurement_chars_attr);
+ ret = device_create_bin_file(&chp->dev, &chp_measurement_chars_attr);
if (ret)
return ret;
- ret = sysfs_create_bin_file(&chp->dev.kobj, &chp_measurement_attr);
+ ret = device_create_bin_file(&chp->dev, &chp_measurement_attr);
if (ret)
- sysfs_remove_bin_file(&chp->dev.kobj,
- &chp_measurement_chars_attr);
+ device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);
return ret;
}
@@ -1042,7 +1032,7 @@ __chsc_do_secm(struct channel_subsystem *css, int enable, void *page)
u32 : 4;
u32 fmt : 4;
u32 : 16;
- } *secm_area;
+ } __attribute__ ((packed)) *secm_area;
int ret, ccode;
secm_area = page;
@@ -1253,7 +1243,7 @@ chsc_determine_channel_path_description(int chpid,
struct chsc_header response;
u32 zeroes2;
struct channel_path_desc desc;
- } *scpd_area;
+ } __attribute__ ((packed)) *scpd_area;
scpd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!scpd_area)
@@ -1350,7 +1340,7 @@ chsc_get_channel_measurement_chars(struct channel_path *chp)
u32 cmg : 8;
u32 zeroes3;
u32 data[NR_MEASUREMENT_CHARS];
- } *scmc_area;
+ } __attribute__ ((packed)) *scmc_area;
scmc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!scmc_area)
@@ -1517,7 +1507,7 @@ chsc_enable_facility(int operation_code)
u32 reserved5:4;
u32 format2:4;
u32 reserved6:24;
- } *sda_area;
+ } __attribute__ ((packed)) *sda_area;
sda_area = (void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
if (!sda_area)
@@ -1569,7 +1559,7 @@ chsc_determine_css_characteristics(void)
u32 reserved4;
u32 general_char[510];
u32 chsc_char[518];
- } *scsc_area;
+ } __attribute__ ((packed)) *scsc_area;
scsc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
if (!scsc_area) {
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index a259245780a..0fb2b024208 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -10,17 +10,17 @@
struct chsc_header {
u16 length;
u16 code;
-};
+} __attribute__ ((packed));
#define NR_MEASUREMENT_CHARS 5
struct cmg_chars {
u32 values[NR_MEASUREMENT_CHARS];
-};
+} __attribute__ ((packed));
#define NR_MEASUREMENT_ENTRIES 8
struct cmg_entry {
u32 values[NR_MEASUREMENT_ENTRIES];
-};
+} __attribute__ ((packed));
struct channel_path_desc {
u8 flags;
@@ -31,7 +31,7 @@ struct channel_path_desc {
u8 zeroes;
u8 chla;
u8 chpp;
-};
+} __attribute__ ((packed));
struct channel_path {
int id;
@@ -47,6 +47,9 @@ struct channel_path {
extern void s390_process_css( void );
extern void chsc_validate_chpids(struct subchannel *);
extern void chpid_is_actually_online(int);
+extern int css_get_ssd_info(struct subchannel *);
+extern int chsc_process_crw(void);
+extern int chp_process_crw(int, int);
struct css_general_char {
u64 : 41;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index ae1bf231d08..b3a56dc5f68 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -122,7 +122,7 @@ cio_get_options (struct subchannel *sch)
* Use tpi to get a pending interrupt, call the interrupt handler and
* return a pointer to the subchannel structure.
*/
-static inline int
+static int
cio_tpi(void)
{
struct tpi_info *tpi_info;
@@ -152,7 +152,7 @@ cio_tpi(void)
return 1;
}
-static inline int
+static int
cio_start_handle_notoper(struct subchannel *sch, __u8 lpm)
{
char dbf_text[15];
@@ -585,7 +585,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
* This device must not be known to Linux. So we simply
* say that there is no device and return ENODEV.
*/
- CIO_MSG_EVENT(0, "Blacklisted device detected "
+ CIO_MSG_EVENT(4, "Blacklisted device detected "
"at devno %04X, subchannel set %x\n",
sch->schib.pmcw.dev, sch->schid.ssid);
err = -ENODEV;
@@ -646,7 +646,7 @@ do_IRQ (struct pt_regs *regs)
* Make sure that the i/o interrupt did not "overtake"
* the last HZ timer interrupt.
*/
- account_ticks();
+ account_ticks(S390_lowcore.int_clock);
/*
* Get interrupt information from lowcore
*/
@@ -832,7 +832,7 @@ cio_get_console_subchannel(void)
}
#endif
-static inline int
+static int
__disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
{
int retry, cc;
@@ -850,7 +850,20 @@ __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
return -EBUSY; /* uhm... */
}
-static inline int
+/* we can't use the normal udelay here, since it enables external interrupts */
+
+static void udelay_reset(unsigned long usecs)
+{
+ uint64_t start_cc, end_cc;
+
+ asm volatile ("STCK %0" : "=m" (start_cc));
+ do {
+ cpu_relax();
+ asm volatile ("STCK %0" : "=m" (end_cc));
+ } while (((end_cc - start_cc)/4096) < usecs);
+}
+
+static int
__clear_subchannel_easy(struct subchannel_id schid)
{
int retry;
@@ -865,7 +878,7 @@ __clear_subchannel_easy(struct subchannel_id schid)
if (schid_equal(&ti.schid, &schid))
return 0;
}
- udelay(100);
+ udelay_reset(100);
}
return -EBUSY;
}
@@ -882,11 +895,11 @@ static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr)
int rc;
pgm_check_occured = 0;
- s390_reset_pgm_handler = cio_reset_pgm_check_handler;
+ s390_base_pgm_handler_fn = cio_reset_pgm_check_handler;
rc = stsch(schid, addr);
- s390_reset_pgm_handler = NULL;
+ s390_base_pgm_handler_fn = NULL;
- /* The program check handler could have changed pgm_check_occured */
+ /* The program check handler could have changed pgm_check_occured. */
barrier();
if (pgm_check_occured)
@@ -944,7 +957,7 @@ static void css_reset(void)
/* Reset subchannels. */
for_each_subchannel(__shutdown_subchannel_easy, NULL);
/* Reset channel paths. */
- s390_reset_mcck_handler = s390_reset_chpids_mcck_handler;
+ s390_base_mcck_handler_fn = s390_reset_chpids_mcck_handler;
/* Enable channel report machine checks. */
__ctl_set_bit(14, 28);
/* Temporarily reenable machine checks. */
@@ -969,7 +982,7 @@ static void css_reset(void)
local_mcck_disable();
/* Disable channel report machine checks. */
__ctl_clear_bit(14, 28);
- s390_reset_mcck_handler = NULL;
+ s390_base_mcck_handler_fn = NULL;
}
static struct reset_call css_reset_call = {
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 828b2d334f0..90b22faabbf 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -519,8 +519,8 @@ struct cmb {
/* insert a single device into the cmb_area list
* called with cmb_area.lock held from alloc_cmb
*/
-static inline int alloc_cmb_single (struct ccw_device *cdev,
- struct cmb_data *cmb_data)
+static int alloc_cmb_single(struct ccw_device *cdev,
+ struct cmb_data *cmb_data)
{
struct cmb *cmb;
struct ccw_device_private *node;
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 9d6c0244686..fe0ace7aece 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -30,7 +30,7 @@ struct channel_subsystem *css[__MAX_CSSID + 1];
int css_characteristics_avail = 0;
-inline int
+int
for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *data)
{
struct subchannel_id schid;
@@ -108,9 +108,6 @@ css_subchannel_release(struct device *dev)
}
}
-extern int css_get_ssd_info(struct subchannel *sch);
-
-
int css_sch_device_register(struct subchannel *sch)
{
int ret;
@@ -187,7 +184,7 @@ get_subchannel_by_schid(struct subchannel_id schid)
return dev ? to_subchannel(dev) : NULL;
}
-static inline int css_get_subchannel_status(struct subchannel *sch)
+static int css_get_subchannel_status(struct subchannel *sch)
{
struct schib schib;
@@ -299,7 +296,7 @@ static int css_evaluate_new_subchannel(struct subchannel_id schid, int slow)
/* Will be done on the slow path. */
return -EAGAIN;
}
- if (stsch(schid, &schib) || !schib.pmcw.dnv) {
+ if (stsch_err(schid, &schib) || !schib.pmcw.dnv) {
/* Unusable - ignore. */
return 0;
}
@@ -417,7 +414,7 @@ static void reprobe_all(struct work_struct *unused)
need_reprobe);
}
-DECLARE_WORK(css_reprobe_work, reprobe_all);
+static DECLARE_WORK(css_reprobe_work, reprobe_all);
/* Schedule reprobing of all unregistered subchannels. */
void css_schedule_reprobe(void)
@@ -578,7 +575,7 @@ css_cm_enable_store(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(cm_enable, 0644, css_cm_enable_show, css_cm_enable_store);
-static inline int __init setup_css(int nr)
+static int __init setup_css(int nr)
{
u32 tod_high;
int ret;
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 3464c5b875c..ca2bab932a8 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -143,6 +143,8 @@ extern void css_sch_device_unregister(struct subchannel *);
extern struct subchannel * get_subchannel_by_schid(struct subchannel_id);
extern int css_init_done;
extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
+extern int css_process_crw(int, int);
+extern void css_reiterate_subchannels(void);
#define __MAX_SUBCHANNEL 65535
#define __MAX_SSID 3
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 803579053c2..e322111fb36 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -138,7 +138,6 @@ struct bus_type ccw_bus_type;
static int io_subchannel_probe (struct subchannel *);
static int io_subchannel_remove (struct subchannel *);
-void io_subchannel_irq (struct device *);
static int io_subchannel_notify(struct device *, int);
static void io_subchannel_verify(struct device *);
static void io_subchannel_ioterm(struct device *);
@@ -235,11 +234,8 @@ chpids_show (struct device * dev, struct device_attribute *attr, char * buf)
ssize_t ret = 0;
int chp;
- if (ssd)
- for (chp = 0; chp < 8; chp++)
- ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]);
- else
- ret += sprintf (buf, "n/a");
+ for (chp = 0; chp < 8; chp++)
+ ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]);
ret += sprintf (buf+ret, "\n");
return min((ssize_t)PAGE_SIZE, ret);
}
@@ -552,13 +548,13 @@ static struct attribute_group ccwdev_attr_group = {
.attrs = ccwdev_attrs,
};
-static inline int
+static int
device_add_files (struct device *dev)
{
return sysfs_create_group(&dev->kobj, &ccwdev_attr_group);
}
-static inline void
+static void
device_remove_files(struct device *dev)
{
sysfs_remove_group(&dev->kobj, &ccwdev_attr_group);
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 29db6341d63..b66338b7657 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -74,6 +74,7 @@ extern struct workqueue_struct *ccw_device_notify_work;
extern wait_queue_head_t ccw_device_init_wq;
extern atomic_t ccw_device_init_count;
+void io_subchannel_irq (struct device *pdev);
void io_subchannel_recog_done(struct ccw_device *cdev);
int ccw_device_cancel_halt_clear(struct ccw_device *);
@@ -118,6 +119,7 @@ int ccw_device_stlck(struct ccw_device *);
/* qdio needs this. */
void ccw_device_set_timeout(struct ccw_device *, int);
extern struct subchannel_id ccw_device_get_subchannel_id(struct ccw_device *);
+extern struct bus_type ccw_bus_type;
/* Channel measurement facility related */
void retry_set_schib(struct ccw_device *cdev);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index eed14572fc3..51238e7555b 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -206,7 +206,7 @@ ccw_device_handle_oper(struct ccw_device *cdev)
* been varied online on the SE so we have to find out by magic (i. e. driving
* the channel subsystem to device selection and updating our path masks).
*/
-static inline void
+static void
__recover_lost_chpids(struct subchannel *sch, int old_lpm)
{
int mask, i;
@@ -387,7 +387,7 @@ ccw_device_done(struct ccw_device *cdev, int state)
put_device (&cdev->dev);
}
-static inline int cmp_pgid(struct pgid *p1, struct pgid *p2)
+static int cmp_pgid(struct pgid *p1, struct pgid *p2)
{
char *c1;
char *c2;
@@ -842,6 +842,8 @@ ccw_device_irq(struct ccw_device *cdev, enum dev_event dev_event)
call_handler_unsol:
if (cdev->handler)
cdev->handler (cdev, 0, irb);
+ if (cdev->private->flags.doverify)
+ ccw_device_online_verify(cdev, 0);
return;
}
/* Accumulate status and find out if a basic sense is needed. */
@@ -892,7 +894,7 @@ ccw_device_online_timeout(struct ccw_device *cdev, enum dev_event dev_event)
/*
* Got an interrupt for a basic sense.
*/
-void
+static void
ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event)
{
struct irb *irb;
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index d269607336e..d7b25b8f71d 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -302,7 +302,7 @@ ccw_device_wake_up(struct ccw_device *cdev, unsigned long ip, struct irb *irb)
wake_up(&cdev->private->wait_q);
}
-static inline int
+static int
__ccw_device_retry_loop(struct ccw_device *cdev, struct ccw1 *ccw, long magic, __u8 lpm)
{
int ret;
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index bdcf930f7be..6b1caea622e 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -25,7 +25,7 @@
* Check for any kind of channel or interface control check but don't
* issue the message for the console device
*/
-static inline void
+static void
ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
{
if (!(irb->scsw.cstat & (SCHN_STAT_CHN_DATA_CHK |
@@ -72,7 +72,7 @@ ccw_device_path_notoper(struct ccw_device *cdev)
/*
* Copy valid bits from the extended control word to device irb.
*/
-static inline void
+static void
ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb)
{
/*
@@ -94,7 +94,7 @@ ccw_device_accumulate_ecw(struct ccw_device *cdev, struct irb *irb)
/*
* Check if extended status word is valid.
*/
-static inline int
+static int
ccw_device_accumulate_esw_valid(struct irb *irb)
{
if (!irb->scsw.eswf && irb->scsw.stctl == SCSW_STCTL_STATUS_PEND)
@@ -109,7 +109,7 @@ ccw_device_accumulate_esw_valid(struct irb *irb)
/*
* Copy valid bits from the extended status word to device irb.
*/
-static inline void
+static void
ccw_device_accumulate_esw(struct ccw_device *cdev, struct irb *irb)
{
struct irb *cdev_irb;
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 6fd1940842e..d726cd5777d 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -66,7 +66,6 @@ MODULE_LICENSE("GPL");
/******************** HERE WE GO ***********************************/
static const char version[] = "QDIO base support version 2";
-extern struct bus_type ccw_bus_type;
static int qdio_performance_stats = 0;
static int proc_perf_file_registration;
@@ -138,7 +137,7 @@ qdio_release_q(struct qdio_q *q)
}
/*check ccq */
-static inline int
+static int
qdio_check_ccq(struct qdio_q *q, unsigned int ccq)
{
char dbf_text[15];
@@ -153,7 +152,7 @@ qdio_check_ccq(struct qdio_q *q, unsigned int ccq)
return -EIO;
}
/* EQBS: extract buffer states */
-static inline int
+static int
qdio_do_eqbs(struct qdio_q *q, unsigned char *state,
unsigned int *start, unsigned int *cnt)
{
@@ -188,7 +187,7 @@ again:
}
/* SQBS: set buffer states */
-static inline int
+static int
qdio_do_sqbs(struct qdio_q *q, unsigned char state,
unsigned int *start, unsigned int *cnt)
{
@@ -315,7 +314,7 @@ __do_siga_output(struct qdio_q *q, unsigned int *busy_bit)
* returns QDIO_SIGA_ERROR_ACCESS_EXCEPTION as cc, when SIGA returns
* an access exception
*/
-static inline int
+static int
qdio_siga_output(struct qdio_q *q)
{
int cc;
@@ -349,7 +348,7 @@ qdio_siga_output(struct qdio_q *q)
return cc;
}
-static inline int
+static int
qdio_siga_input(struct qdio_q *q)
{
int cc;
@@ -421,7 +420,7 @@ tiqdio_sched_tl(void)
tasklet_hi_schedule(&tiqdio_tasklet);
}
-static inline void
+static void
qdio_mark_tiq(struct qdio_q *q)
{
unsigned long flags;
@@ -471,7 +470,7 @@ qdio_mark_q(struct qdio_q *q)
tasklet_schedule(&q->tasklet);
}
-static inline int
+static int
qdio_stop_polling(struct qdio_q *q)
{
#ifdef QDIO_USE_PROCESSING_STATE
@@ -525,7 +524,7 @@ qdio_stop_polling(struct qdio_q *q)
* sophisticated locking outside of unmark_q, so that we don't need to
* disable the interrupts :-)
*/
-static inline void
+static void
qdio_unmark_q(struct qdio_q *q)
{
unsigned long flags;
@@ -691,7 +690,7 @@ qdio_qebsm_get_inbound_buffer_frontier(struct qdio_q *q)
return q->first_to_check;
}
-static inline int
+static int
qdio_get_outbound_buffer_frontier(struct qdio_q *q)
{
struct qdio_irq *irq;
@@ -774,7 +773,7 @@ out:
}
/* all buffers are processed */
-static inline int
+static int
qdio_is_outbound_q_done(struct qdio_q *q)
{
int no_used;
@@ -796,7 +795,7 @@ qdio_is_outbound_q_done(struct qdio_q *q)
return (no_used==0);
}
-static inline int
+static int
qdio_has_outbound_q_moved(struct qdio_q *q)
{
int i;
@@ -816,7 +815,7 @@ qdio_has_outbound_q_moved(struct qdio_q *q)
}
}
-static inline void
+static void
qdio_kick_outbound_q(struct qdio_q *q)
{
int result;
@@ -905,7 +904,7 @@ qdio_kick_outbound_q(struct qdio_q *q)
}
}
-static inline void
+static void
qdio_kick_outbound_handler(struct qdio_q *q)
{
int start, end, real_end, count;
@@ -942,7 +941,7 @@ qdio_kick_outbound_handler(struct qdio_q *q)
q->error_status_flags=0;
}
-static inline void
+static void
__qdio_outbound_processing(struct qdio_q *q)
{
int siga_attempts;
@@ -1002,7 +1001,7 @@ qdio_outbound_processing(struct qdio_q *q)
/************************* INBOUND ROUTINES *******************************/
-static inline int
+static int
qdio_get_inbound_buffer_frontier(struct qdio_q *q)
{
struct qdio_irq *irq;
@@ -1133,7 +1132,7 @@ out:
return q->first_to_check;
}
-static inline int
+static int
qdio_has_inbound_q_moved(struct qdio_q *q)
{
int i;
@@ -1167,7 +1166,7 @@ qdio_has_inbound_q_moved(struct qdio_q *q)
}
/* means, no more buffers to be filled */
-static inline int
+static int
tiqdio_is_inbound_q_done(struct qdio_q *q)
{
int no_used;
@@ -1228,7 +1227,7 @@ tiqdio_is_inbound_q_done(struct qdio_q *q)
return 0;
}
-static inline int
+static int
qdio_is_inbound_q_done(struct qdio_q *q)
{
int no_used;
@@ -1296,7 +1295,7 @@ qdio_is_inbound_q_done(struct qdio_q *q)
}
}
-static inline void
+static void
qdio_kick_inbound_handler(struct qdio_q *q)
{
int count, start, end, real_end, i;
@@ -1343,7 +1342,7 @@ qdio_kick_inbound_handler(struct qdio_q *q)
}
}
-static inline void
+static void
__tiqdio_inbound_processing(struct qdio_q *q, int spare_ind_was_set)
{
struct qdio_irq *irq_ptr;
@@ -1442,7 +1441,7 @@ tiqdio_inbound_processing(struct qdio_q *q)
__tiqdio_inbound_processing(q, atomic_read(&spare_indicator_usecount));
}
-static inline void
+static void
__qdio_inbound_processing(struct qdio_q *q)
{
int q_laps=0;
@@ -1493,7 +1492,7 @@ qdio_inbound_processing(struct qdio_q *q)
/************************* MAIN ROUTINES *******************************/
#ifdef QDIO_USE_PROCESSING_STATE
-static inline int
+static int
tiqdio_reset_processing_state(struct qdio_q *q, int q_laps)
{
if (!q) {
@@ -1545,7 +1544,7 @@ tiqdio_reset_processing_state(struct qdio_q *q, int q_laps)
}
#endif /* QDIO_USE_PROCESSING_STATE */
-static inline void
+static void
tiqdio_inbound_checks(void)
{
struct qdio_q *q;
@@ -1949,7 +1948,7 @@ qdio_set_state(struct qdio_irq *irq_ptr, enum qdio_irq_states state)
mb();
}
-static inline void
+static void
qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb)
{
char dbf_text[15];
@@ -1966,7 +1965,7 @@ qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb)
}
-static inline void
+static void
qdio_handle_pci(struct qdio_irq *irq_ptr)
{
int i;
@@ -2002,7 +2001,7 @@ qdio_handle_pci(struct qdio_irq *irq_ptr)
static void qdio_establish_handle_irq(struct ccw_device*, int, int);
-static inline void
+static void
qdio_handle_activate_check(struct ccw_device *cdev, unsigned long intparm,
int cstat, int dstat)
{
@@ -2229,7 +2228,7 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags,
return cc;
}
-static inline void
+static void
qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac,
unsigned long token)
{
@@ -2740,7 +2739,7 @@ qdio_free(struct ccw_device *cdev)
return 0;
}
-static inline void
+static void
qdio_allocate_do_dbf(struct qdio_initialize *init_data)
{
char dbf_text[20]; /* if a printf printed out more than 8 chars */
@@ -2773,7 +2772,7 @@ qdio_allocate_do_dbf(struct qdio_initialize *init_data)
QDIO_DBF_HEX0(0,setup,&init_data->output_sbal_addr_array,sizeof(void*));
}
-static inline void
+static void
qdio_allocate_fill_input_desc(struct qdio_irq *irq_ptr, int i, int iqfmt)
{
irq_ptr->input_qs[i]->is_iqdio_q = iqfmt;
@@ -2792,7 +2791,7 @@ qdio_allocate_fill_input_desc(struct qdio_irq *irq_ptr, int i, int iqfmt)
irq_ptr->qdr->qdf0[i].dkey=QDIO_STORAGE_KEY;
}
-static inline void
+static void
qdio_allocate_fill_output_desc(struct qdio_irq *irq_ptr, int i,
int j, int iqfmt)
{
@@ -2813,7 +2812,7 @@ qdio_allocate_fill_output_desc(struct qdio_irq *irq_ptr, int i,
}
-static inline void
+static void
qdio_initialize_set_siga_flags_input(struct qdio_irq *irq_ptr)
{
int i;
@@ -2839,7 +2838,7 @@ qdio_initialize_set_siga_flags_input(struct qdio_irq *irq_ptr)
}
}
-static inline void
+static void
qdio_initialize_set_siga_flags_output(struct qdio_irq *irq_ptr)
{
int i;
@@ -2865,7 +2864,7 @@ qdio_initialize_set_siga_flags_output(struct qdio_irq *irq_ptr)
}
}
-static inline int
+static int
qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat,
int dstat)
{
@@ -3014,7 +3013,7 @@ qdio_allocate(struct qdio_initialize *init_data)
return 0;
}
-int qdio_fill_irq(struct qdio_initialize *init_data)
+static int qdio_fill_irq(struct qdio_initialize *init_data)
{
int i;
char dbf_text[15];
@@ -3367,7 +3366,7 @@ qdio_activate(struct ccw_device *cdev, int flags)
}
/* buffers filled forwards again to make Rick happy */
-static inline void
+static void
qdio_do_qdio_fill_input(struct qdio_q *q, unsigned int qidx,
unsigned int count, struct qdio_buffer *buffers)
{
@@ -3386,7 +3385,7 @@ qdio_do_qdio_fill_input(struct qdio_q *q, unsigned int qidx,
}
}
-static inline void
+static void
qdio_do_qdio_fill_output(struct qdio_q *q, unsigned int qidx,
unsigned int count, struct qdio_buffer *buffers)
{
@@ -3407,7 +3406,7 @@ qdio_do_qdio_fill_output(struct qdio_q *q, unsigned int qidx,
}
}
-static inline void
+static void
do_qdio_handle_inbound(struct qdio_q *q, unsigned int callflags,
unsigned int qidx, unsigned int count,
struct qdio_buffer *buffers)
@@ -3443,7 +3442,7 @@ do_qdio_handle_inbound(struct qdio_q *q, unsigned int callflags,
qdio_mark_q(q);
}
-static inline void
+static void
do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags,
unsigned int qidx, unsigned int count,
struct qdio_buffer *buffers)
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 81b5899f401..c7d1355237b 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -465,7 +465,7 @@ static int ap_device_probe(struct device *dev)
* Flush all requests from the request/pending queue of an AP device.
* @ap_dev: pointer to the AP device.
*/
-static inline void __ap_flush_queue(struct ap_device *ap_dev)
+static void __ap_flush_queue(struct ap_device *ap_dev)
{
struct ap_message *ap_msg, *next;
@@ -587,7 +587,7 @@ static struct bus_attribute *const ap_bus_attrs[] = {
/**
* Pick one of the 16 ap domains.
*/
-static inline int ap_select_domain(void)
+static int ap_select_domain(void)
{
int queue_depth, device_type, count, max_count, best_domain;
int rc, i, j;
@@ -825,7 +825,7 @@ static inline void ap_schedule_poll_timer(void)
* required, bit 2^1 is set if the poll timer needs to get armed
* Returns 0 if the device is still present, -ENODEV if not.
*/
-static inline int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
+static int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
{
struct ap_queue_status status;
struct ap_message *ap_msg;
@@ -872,7 +872,7 @@ static inline int ap_poll_read(struct ap_device *ap_dev, unsigned long *flags)
* required, bit 2^1 is set if the poll timer needs to get armed
* Returns 0 if the device is still present, -ENODEV if not.
*/
-static inline int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
+static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags)
{
struct ap_queue_status status;
struct ap_message *ap_msg;
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 1edc10a7a6f..b9e59bc9435 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -791,7 +791,7 @@ static long trans_xcRB32(struct file *filp, unsigned int cmd,
return rc;
}
-long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
+static long zcrypt_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
if (cmd == ICARSAMODEXPO)
@@ -833,8 +833,8 @@ static struct miscdevice zcrypt_misc_device = {
*/
static struct proc_dir_entry *zcrypt_entry;
-static inline int sprintcl(unsigned char *outaddr, unsigned char *addr,
- unsigned int len)
+static int sprintcl(unsigned char *outaddr, unsigned char *addr,
+ unsigned int len)
{
int hl, i;
@@ -845,8 +845,8 @@ static inline int sprintcl(unsigned char *outaddr, unsigned char *addr,
return hl;
}
-static inline int sprintrw(unsigned char *outaddr, unsigned char *addr,
- unsigned int len)
+static int sprintrw(unsigned char *outaddr, unsigned char *addr,
+ unsigned int len)
{
int hl, inl, c, cx;
@@ -865,8 +865,8 @@ static inline int sprintrw(unsigned char *outaddr, unsigned char *addr,
return hl;
}
-static inline int sprinthx(unsigned char *title, unsigned char *outaddr,
- unsigned char *addr, unsigned int len)
+static int sprinthx(unsigned char *title, unsigned char *outaddr,
+ unsigned char *addr, unsigned int len)
{
int hl, inl, r, rx;
@@ -885,8 +885,8 @@ static inline int sprinthx(unsigned char *title, unsigned char *outaddr,
return hl;
}
-static inline int sprinthx4(unsigned char *title, unsigned char *outaddr,
- unsigned int *array, unsigned int len)
+static int sprinthx4(unsigned char *title, unsigned char *outaddr,
+ unsigned int *array, unsigned int len)
{
int hl, r;
@@ -943,7 +943,7 @@ static int zcrypt_status_read(char *resp_buff, char **start, off_t offset,
zcrypt_qdepth_mask(workarea);
len += sprinthx("Waiting work element counts",
resp_buff+len, workarea, AP_DEVICES);
- zcrypt_perdev_reqcnt((unsigned int *) workarea);
+ zcrypt_perdev_reqcnt((int *) workarea);
len += sprinthx4("Per-device successfully completed request counts",
resp_buff+len,(unsigned int *) workarea, AP_DEVICES);
*eof = 1;
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c
index 32e37014345..818ffe05ac0 100644
--- a/drivers/s390/crypto/zcrypt_pcica.c
+++ b/drivers/s390/crypto/zcrypt_pcica.c
@@ -191,10 +191,10 @@ static int ICACRT_msg_to_type4CRT_msg(struct zcrypt_device *zdev,
*
* Returns 0 on success or -EFAULT.
*/
-static inline int convert_type84(struct zcrypt_device *zdev,
- struct ap_message *reply,
- char __user *outputdata,
- unsigned int outputdatalength)
+static int convert_type84(struct zcrypt_device *zdev,
+ struct ap_message *reply,
+ char __user *outputdata,
+ unsigned int outputdatalength)
{
struct type84_hdr *t84h = reply->message;
char *data;
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index b7153c1e15c..252443b6bd1 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -709,7 +709,8 @@ out_free:
* PCIXCC/CEX2C device to the request distributor
* @xcRB: pointer to the send_cprb request buffer
*/
-long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev, struct ica_xcRB *xcRB)
+static long zcrypt_pcixcc_send_cprb(struct zcrypt_device *zdev,
+ struct ica_xcRB *xcRB)
{
struct ap_message ap_msg;
struct response_type resp_type = {
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 95f4e105cb9..7809a79feec 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -121,7 +121,7 @@ MODULE_LICENSE("GPL");
#define DEBUG
#endif
- char debug_buffer[255];
+static char debug_buffer[255];
/**
* Debug Facility Stuff
*/
@@ -223,16 +223,14 @@ static void claw_timer ( struct chbk * p_ch );
/* Functions */
static int add_claw_reads(struct net_device *dev,
struct ccwbk* p_first, struct ccwbk* p_last);
-static void inline ccw_check_return_code (struct ccw_device *cdev,
- int return_code);
-static void inline ccw_check_unit_check (struct chbk * p_ch,
- unsigned char sense );
+static void ccw_check_return_code (struct ccw_device *cdev, int return_code);
+static void ccw_check_unit_check (struct chbk * p_ch, unsigned char sense );
static int find_link(struct net_device *dev, char *host_name, char *ws_name );
static int claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid);
static int init_ccw_bk(struct net_device *dev);
static void probe_error( struct ccwgroup_device *cgdev);
static struct net_device_stats *claw_stats(struct net_device *dev);
-static int inline pages_to_order_of_mag(int num_of_pages);
+static int pages_to_order_of_mag(int num_of_pages);
static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr);
#ifdef DEBUG
static void dumpit (char *buf, int len);
@@ -1310,7 +1308,7 @@ claw_timer ( struct chbk * p_ch )
* of magnitude get_free_pages() has an upper order of 9 *
*--------------------------------------------------------------------*/
-static int inline
+static int
pages_to_order_of_mag(int num_of_pages)
{
int order_of_mag=1; /* assume 2 pages */
@@ -1482,7 +1480,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
* *
*-------------------------------------------------------------------*/
-static void inline
+static void
ccw_check_return_code(struct ccw_device *cdev, int return_code)
{
#ifdef FUNCTRACE
@@ -1529,7 +1527,7 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
* ccw_check_unit_check *
*--------------------------------------------------------------------*/
-static void inline
+static void
ccw_check_unit_check(struct chbk * p_ch, unsigned char sense )
{
struct net_device *dev = p_ch->ndev;
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 03cc263fe0d..5a84fbbc661 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -369,7 +369,7 @@ ctc_dump_skb(struct sk_buff *skb, int offset)
* @param ch The channel where this skb has been received.
* @param pskb The received skb.
*/
-static __inline__ void
+static void
ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
{
struct net_device *dev = ch->netdev;
@@ -512,7 +512,7 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
* @param ch The channel, the error belongs to.
* @param return_code The error code to inspect.
*/
-static void inline
+static void
ccw_check_return_code(struct channel *ch, int return_code, char *msg)
{
DBF_TEXT(trace, 5, __FUNCTION__);
@@ -547,7 +547,7 @@ ccw_check_return_code(struct channel *ch, int return_code, char *msg)
* @param ch The channel, the sense code belongs to.
* @param sense The sense code to inspect.
*/
-static void inline
+static void
ccw_unit_check(struct channel *ch, unsigned char sense)
{
DBF_TEXT(trace, 5, __FUNCTION__);
@@ -603,7 +603,7 @@ ctc_purge_skb_queue(struct sk_buff_head *q)
}
}
-static __inline__ int
+static int
ctc_checkalloc_buffer(struct channel *ch, int warn)
{
DBF_TEXT(trace, 5, __FUNCTION__);
diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c
index e965f03a729..76728ae4b84 100644
--- a/drivers/s390/net/cu3088.c
+++ b/drivers/s390/net/cu3088.c
@@ -57,7 +57,7 @@ static struct ccw_device_id cu3088_ids[] = {
static struct ccw_driver cu3088_driver;
-struct device *cu3088_root_dev;
+static struct device *cu3088_root_dev;
static ssize_t
group_write(struct device_driver *drv, const char *buf, size_t count)
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index e5665b6743a..b97dd15bdb9 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -828,7 +828,7 @@ lcs_notify_lancmd_waiters(struct lcs_card *card, struct lcs_cmd *cmd)
/**
* Emit buffer of a lan comand.
*/
-void
+static void
lcs_lancmd_timeout(unsigned long data)
{
struct lcs_reply *reply, *list_reply, *r;
@@ -1360,7 +1360,7 @@ lcs_get_problem(struct ccw_device *cdev, struct irb *irb)
return 0;
}
-void
+static void
lcs_schedule_recovery(struct lcs_card *card)
{
LCS_DBF_TEXT(2, trace, "startrec");
@@ -1990,7 +1990,7 @@ lcs_timeout_store (struct device *dev, struct device_attribute *attr, const char
}
-DEVICE_ATTR(lancmd_timeout, 0644, lcs_timeout_show, lcs_timeout_store);
+static DEVICE_ATTR(lancmd_timeout, 0644, lcs_timeout_show, lcs_timeout_store);
static ssize_t
lcs_dev_recover_store(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index d7d1cc0a5c8..3346088f47e 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -2053,7 +2053,7 @@ out_free_ndev:
return ret;
}
-DRIVER_ATTR(connection, 0200, NULL, conn_write);
+static DRIVER_ATTR(connection, 0200, NULL, conn_write);
static ssize_t
remove_write (struct device_driver *drv, const char *buf, size_t count)
@@ -2112,7 +2112,7 @@ remove_write (struct device_driver *drv, const char *buf, size_t count)
return -EINVAL;
}
-DRIVER_ATTR(remove, 0200, NULL, remove_write);
+static DRIVER_ATTR(remove, 0200, NULL, remove_write);
static void
netiucv_banner(void)
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index 6bb558a9a03..7c735e1fe06 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -49,7 +49,7 @@ qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *queue,
return buffers_needed;
}
-static inline void
+static void
qeth_eddp_free_context(struct qeth_eddp_context *ctx)
{
int i;
@@ -91,7 +91,7 @@ qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *buf)
}
}
-static inline int
+static int
qeth_eddp_buf_ref_context(struct qeth_qdio_out_buffer *buf,
struct qeth_eddp_context *ctx)
{
@@ -196,7 +196,7 @@ out:
return flush_cnt;
}
-static inline void
+static void
qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx,
struct qeth_eddp_data *eddp, int data_len)
{
@@ -256,7 +256,7 @@ qeth_eddp_create_segment_hdrs(struct qeth_eddp_context *ctx,
ctx->offset += eddp->thl;
}
-static inline void
+static void
qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len,
__wsum *hcsum)
{
@@ -302,7 +302,7 @@ qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len,
}
}
-static inline void
+static void
qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx,
struct qeth_eddp_data *eddp, int data_len,
__wsum hcsum)
@@ -349,7 +349,7 @@ qeth_eddp_create_segment_data_tcp(struct qeth_eddp_context *ctx,
((struct tcphdr *)eddp->th_in_ctx)->check = csum_fold(hcsum);
}
-static inline __wsum
+static __wsum
qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len)
{
__wsum phcsum; /* pseudo header checksum */
@@ -363,7 +363,7 @@ qeth_eddp_check_tcp4_hdr(struct qeth_eddp_data *eddp, int data_len)
return csum_partial((u8 *)&eddp->th, eddp->thl, phcsum);
}
-static inline __wsum
+static __wsum
qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp, int data_len)
{
__be32 proto;
@@ -381,7 +381,7 @@ qeth_eddp_check_tcp6_hdr(struct qeth_eddp_data *eddp, int data_len)
return phcsum;
}
-static inline struct qeth_eddp_data *
+static struct qeth_eddp_data *
qeth_eddp_create_eddp_data(struct qeth_hdr *qh, u8 *nh, u8 nhl, u8 *th, u8 thl)
{
struct qeth_eddp_data *eddp;
@@ -399,7 +399,7 @@ qeth_eddp_create_eddp_data(struct qeth_hdr *qh, u8 *nh, u8 nhl, u8 *th, u8 thl)
return eddp;
}
-static inline void
+static void
__qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
struct qeth_eddp_data *eddp)
{
@@ -464,7 +464,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
}
}
-static inline int
+static int
qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
struct sk_buff *skb, struct qeth_hdr *qhdr)
{
@@ -505,7 +505,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
return 0;
}
-static inline void
+static void
qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb,
int hdr_len)
{
@@ -529,7 +529,7 @@ qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb,
(skb_shinfo(skb)->gso_segs + 1);
}
-static inline struct qeth_eddp_context *
+static struct qeth_eddp_context *
qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb,
int hdr_len)
{
@@ -581,7 +581,7 @@ qeth_eddp_create_context_generic(struct qeth_card *card, struct sk_buff *skb,
return ctx;
}
-static inline struct qeth_eddp_context *
+static struct qeth_eddp_context *
qeth_eddp_create_context_tcp(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *qhdr)
{
@@ -625,5 +625,3 @@ qeth_eddp_create_context(struct qeth_card *card, struct sk_buff *skb,
}
return NULL;
}
-
-
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index d2efa5ff125..2257e45594b 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -651,7 +651,7 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
return 0;
}
-static inline int
+static int
__qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr,
int same_type)
{
@@ -795,7 +795,7 @@ qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr)
return rc;
}
-static inline void
+static void
__qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
{
struct qeth_ipaddr *addr, *tmp;
@@ -882,7 +882,7 @@ static void qeth_layer2_add_multicast(struct qeth_card *);
static void qeth_add_multicast_ipv6(struct qeth_card *);
#endif
-static inline int
+static int
qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
@@ -920,7 +920,7 @@ qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
wake_up(&card->wait_q);
}
-static inline int
+static int
__qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
{
unsigned long flags;
@@ -1764,9 +1764,9 @@ out:
qeth_release_buffer(channel,iob);
}
-static inline void
+static void
qeth_prepare_control_data(struct qeth_card *card, int len,
-struct qeth_cmd_buffer *iob)
+ struct qeth_cmd_buffer *iob)
{
qeth_setup_ccw(&card->write,iob->data,len);
iob->callback = qeth_release_buffer;
@@ -2160,7 +2160,7 @@ qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error,
return 0;
}
-static inline struct sk_buff *
+static struct sk_buff *
qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
{
struct sk_buff* skb;
@@ -2179,7 +2179,7 @@ qeth_get_skb(unsigned int length, struct qeth_hdr *hdr)
return skb;
}
-static inline struct sk_buff *
+static struct sk_buff *
qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer,
struct qdio_buffer_element **__element, int *__offset,
struct qeth_hdr **hdr)
@@ -2264,7 +2264,7 @@ no_mem:
return NULL;
}
-static inline __be16
+static __be16
qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
{
struct qeth_card *card;
@@ -2297,7 +2297,7 @@ qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
return htons(ETH_P_802_2);
}
-static inline void
+static void
qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *hdr)
{
@@ -2351,7 +2351,7 @@ qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb,
fake_llc->ethertype = ETH_P_IP;
}
-static inline void
+static void
qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *hdr)
{
@@ -2420,7 +2420,7 @@ qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
*((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
}
-static inline __u16
+static __u16
qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *hdr)
{
@@ -2476,7 +2476,7 @@ qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
return vlan_id;
}
-static inline void
+static void
qeth_process_inbound_buffer(struct qeth_card *card,
struct qeth_qdio_buffer *buf, int index)
{
@@ -2528,7 +2528,7 @@ qeth_process_inbound_buffer(struct qeth_card *card,
}
}
-static inline struct qeth_buffer_pool_entry *
+static struct qeth_buffer_pool_entry *
qeth_get_buffer_pool_entry(struct qeth_card *card)
{
struct qeth_buffer_pool_entry *entry;
@@ -2543,7 +2543,7 @@ qeth_get_buffer_pool_entry(struct qeth_card *card)
return NULL;
}
-static inline void
+static void
qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
{
struct qeth_buffer_pool_entry *pool_entry;
@@ -2570,7 +2570,7 @@ qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf)
buf->state = QETH_QDIO_BUF_EMPTY;
}
-static inline void
+static void
qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
struct qeth_qdio_out_buffer *buf)
{
@@ -2595,7 +2595,7 @@ qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
}
-static inline void
+static void
qeth_queue_input_buffer(struct qeth_card *card, int index)
{
struct qeth_qdio_q *queue = card->qdio.in_q;
@@ -2699,7 +2699,7 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
card->perf_stats.inbound_start_time;
}
-static inline int
+static int
qeth_handle_send_error(struct qeth_card *card,
struct qeth_qdio_out_buffer *buffer,
unsigned int qdio_err, unsigned int siga_err)
@@ -2821,7 +2821,7 @@ qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int,
* Switched to packing state if the number of used buffers on a queue
* reaches a certain limit.
*/
-static inline void
+static void
qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
{
if (!queue->do_pack) {
@@ -2842,7 +2842,7 @@ qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue)
* In that case 1 is returned to inform the caller. If no buffer
* has to be flushed, zero is returned.
*/
-static inline int
+static int
qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
{
struct qeth_qdio_out_buffer *buffer;
@@ -2877,7 +2877,7 @@ qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
* Checks if there is a packing buffer and prepares it to be flushed.
* In that case returns 1, otherwise zero.
*/
-static inline int
+static int
qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
{
struct qeth_qdio_out_buffer *buffer;
@@ -2894,7 +2894,7 @@ qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue)
return 0;
}
-static inline void
+static void
qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
{
int index;
@@ -3594,7 +3594,7 @@ qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
}
}
-static inline int
+static int
qeth_send_packet(struct qeth_card *, struct sk_buff *);
static int
@@ -3759,7 +3759,7 @@ qeth_stop(struct net_device *dev)
return 0;
}
-static inline int
+static int
qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
{
int cast_type = RTN_UNSPEC;
@@ -3806,7 +3806,7 @@ qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
return cast_type;
}
-static inline int
+static int
qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
int ipv, int cast_type)
{
@@ -3853,7 +3853,7 @@ qeth_get_ip_version(struct sk_buff *skb)
}
}
-static inline struct qeth_hdr *
+static struct qeth_hdr *
__qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
{
#ifdef CONFIG_QETH_VLAN
@@ -3882,14 +3882,14 @@ __qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb, int ipv)
qeth_push_skb(card, skb, sizeof(struct qeth_hdr)));
}
-static inline void
+static void
__qeth_free_new_skb(struct sk_buff *orig_skb, struct sk_buff *new_skb)
{
if (orig_skb != new_skb)
dev_kfree_skb_any(new_skb);
}
-static inline struct sk_buff *
+static struct sk_buff *
qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr **hdr, int ipv)
{
@@ -3940,7 +3940,7 @@ qeth_get_qeth_hdr_flags6(int cast_type)
return ct | QETH_CAST_UNICAST;
}
-static inline void
+static void
qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
struct sk_buff *skb)
{
@@ -3977,7 +3977,7 @@ qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
}
}
-static inline void
+static void
qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
struct sk_buff *skb, int cast_type)
{
@@ -4068,7 +4068,7 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
}
}
-static inline void
+static void
__qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
int is_tso, int *next_element_to_fill)
{
@@ -4112,7 +4112,7 @@ __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
*next_element_to_fill = element;
}
-static inline int
+static int
qeth_fill_buffer(struct qeth_qdio_out_q *queue,
struct qeth_qdio_out_buffer *buf,
struct sk_buff *skb)
@@ -4171,7 +4171,7 @@ qeth_fill_buffer(struct qeth_qdio_out_q *queue,
return flush_cnt;
}
-static inline int
+static int
qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue,
struct sk_buff *skb, struct qeth_hdr *hdr,
int elements_needed,
@@ -4222,7 +4222,7 @@ out:
return -EBUSY;
}
-static inline int
+static int
qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
struct sk_buff *skb, struct qeth_hdr *hdr,
int elements_needed, struct qeth_eddp_context *ctx)
@@ -4328,7 +4328,7 @@ out:
return rc;
}
-static inline int
+static int
qeth_get_elements_no(struct qeth_card *card, void *hdr,
struct sk_buff *skb, int elems)
{
@@ -4349,7 +4349,7 @@ qeth_get_elements_no(struct qeth_card *card, void *hdr,
}
-static inline int
+static int
qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
{
int ipv = 0;
@@ -4536,7 +4536,7 @@ qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
}
-static inline const char *
+static const char *
qeth_arp_get_error_cause(int *rc)
{
switch (*rc) {
@@ -4597,7 +4597,7 @@ qeth_arp_set_no_entries(struct qeth_card *card, int no_entries)
return rc;
}
-static inline void
+static void
qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
struct qeth_arp_query_data *qdata,
int entry_size, int uentry_size)
@@ -5214,7 +5214,7 @@ qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
spin_unlock_irqrestore(&card->vlanlock, flags);
}
-static inline void
+static void
qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf,
unsigned short vid)
{
@@ -5625,7 +5625,7 @@ qeth_delete_mc_addresses(struct qeth_card *card)
spin_unlock_irqrestore(&card->ip_lock, flags);
}
-static inline void
+static void
qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev)
{
struct qeth_ipaddr *ipm;
@@ -5711,7 +5711,7 @@ qeth_layer2_add_multicast(struct qeth_card *card)
}
#ifdef CONFIG_QETH_IPV6
-static inline void
+static void
qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
{
struct qeth_ipaddr *ipm;
@@ -6022,7 +6022,7 @@ qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd)
return rc;
}
-static inline void
+static void
qeth_fill_netmask(u8 *netmask, unsigned int len)
{
int i,j;
@@ -6626,7 +6626,7 @@ qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode)
return rc;
}
-static inline int
+static int
qeth_setadapter_hstr(struct qeth_card *card)
{
int rc;
@@ -6889,7 +6889,7 @@ qeth_send_simple_setassparms(struct qeth_card *card,
return rc;
}
-static inline int
+static int
qeth_start_ipa_arp_processing(struct qeth_card *card)
{
int rc;
@@ -7529,7 +7529,7 @@ qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
wake_up(&card->wait_q);
}
-static inline int
+static int
qeth_threads_running(struct qeth_card *card, unsigned long threads)
{
unsigned long flags;
@@ -8118,7 +8118,7 @@ qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto,
spin_unlock_irqrestore(&card->ip_lock, flags);
}
-static inline void
+static void
qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len)
{
int i, j;
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
index 5836737ac58..d518419cd0c 100644
--- a/drivers/s390/net/qeth_sys.c
+++ b/drivers/s390/net/qeth_sys.c
@@ -328,7 +328,7 @@ qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const c
static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
qeth_dev_bufcnt_store);
-static inline ssize_t
+static ssize_t
qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route,
char *buf)
{
@@ -368,7 +368,7 @@ qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *bu
return qeth_dev_route_show(card, &card->options.route4, buf);
}
-static inline ssize_t
+static ssize_t
qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route,
enum qeth_prot_versions prot, const char *buf, size_t count)
{
@@ -998,7 +998,7 @@ struct device_attribute dev_attr_##_id = { \
.store = _store, \
};
-int
+static int
qeth_check_layer2(struct qeth_card *card)
{
if (card->options.layer2)
@@ -1100,7 +1100,7 @@ static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
qeth_dev_ipato_invert4_show,
qeth_dev_ipato_invert4_store);
-static inline ssize_t
+static ssize_t
qeth_dev_ipato_add_show(char *buf, struct qeth_card *card,
enum qeth_prot_versions proto)
{
@@ -1146,7 +1146,7 @@ qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char
return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
}
-static inline int
+static int
qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
u8 *addr, int *mask_bits)
{
@@ -1178,7 +1178,7 @@ qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
return 0;
}
-static inline ssize_t
+static ssize_t
qeth_dev_ipato_add_store(const char *buf, size_t count,
struct qeth_card *card, enum qeth_prot_versions proto)
{
@@ -1223,7 +1223,7 @@ static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
qeth_dev_ipato_add4_show,
qeth_dev_ipato_add4_store);
-static inline ssize_t
+static ssize_t
qeth_dev_ipato_del_store(const char *buf, size_t count,
struct qeth_card *card, enum qeth_prot_versions proto)
{
@@ -1361,7 +1361,7 @@ static struct attribute_group qeth_device_ipato_group = {
.attrs = (struct attribute **)qeth_ipato_device_attrs,
};
-static inline ssize_t
+static ssize_t
qeth_dev_vipa_add_show(char *buf, struct qeth_card *card,
enum qeth_prot_versions proto)
{
@@ -1407,7 +1407,7 @@ qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char
return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
}
-static inline int
+static int
qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
u8 *addr)
{
@@ -1418,7 +1418,7 @@ qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
return 0;
}
-static inline ssize_t
+static ssize_t
qeth_dev_vipa_add_store(const char *buf, size_t count,
struct qeth_card *card, enum qeth_prot_versions proto)
{
@@ -1451,7 +1451,7 @@ static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
qeth_dev_vipa_add4_show,
qeth_dev_vipa_add4_store);
-static inline ssize_t
+static ssize_t
qeth_dev_vipa_del_store(const char *buf, size_t count,
struct qeth_card *card, enum qeth_prot_versions proto)
{
@@ -1542,7 +1542,7 @@ static struct attribute_group qeth_device_vipa_group = {
.attrs = (struct attribute **)qeth_vipa_device_attrs,
};
-static inline ssize_t
+static ssize_t
qeth_dev_rxip_add_show(char *buf, struct qeth_card *card,
enum qeth_prot_versions proto)
{
@@ -1588,7 +1588,7 @@ qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char
return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
}
-static inline int
+static int
qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
u8 *addr)
{
@@ -1599,7 +1599,7 @@ qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
return 0;
}
-static inline ssize_t
+static ssize_t
qeth_dev_rxip_add_store(const char *buf, size_t count,
struct qeth_card *card, enum qeth_prot_versions proto)
{
@@ -1632,7 +1632,7 @@ static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
qeth_dev_rxip_add4_show,
qeth_dev_rxip_add4_store);
-static inline ssize_t
+static ssize_t
qeth_dev_rxip_del_store(const char *buf, size_t count,
struct qeth_card *card, enum qeth_prot_versions proto)
{
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index e088b5e2871..806bb1a921e 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -13,22 +13,18 @@
#include <linux/errno.h>
#include <linux/workqueue.h>
#include <linux/time.h>
+#include <linux/device.h>
#include <linux/kthread.h>
-
+#include <asm/etr.h>
#include <asm/lowcore.h>
-
+#include <asm/cio.h>
+#include "cio/cio.h"
+#include "cio/chsc.h"
+#include "cio/css.h"
#include "s390mach.h"
static struct semaphore m_sem;
-extern int css_process_crw(int, int);
-extern int chsc_process_crw(void);
-extern int chp_process_crw(int, int);
-extern void css_reiterate_subchannels(void);
-
-extern struct workqueue_struct *slow_path_wq;
-extern struct work_struct slow_path_work;
-
static NORET_TYPE void
s390_handle_damage(char *msg)
{
@@ -470,6 +466,19 @@ s390_do_machine_check(struct pt_regs *regs)
s390_handle_damage("unable to revalidate registers.");
}
+ if (mci->cd) {
+ /* Timing facility damage */
+ s390_handle_damage("TOD clock damaged");
+ }
+
+ if (mci->ed && mci->ec) {
+ /* External damage */
+ if (S390_lowcore.external_damage_code & (1U << ED_ETR_SYNC))
+ etr_sync_check();
+ if (S390_lowcore.external_damage_code & (1U << ED_ETR_SWITCH))
+ etr_switch_to_local();
+ }
+
if (mci->se)
/* Storage error uncorrected */
s390_handle_damage("received storage error uncorrected "
@@ -508,7 +517,7 @@ static int
machine_check_init(void)
{
init_MUTEX_LOCKED(&m_sem);
- ctl_clear_bit(14, 25); /* disable external damage MCH */
+ ctl_set_bit(14, 25); /* enable external damage MCH */
ctl_set_bit(14, 27); /* enable system recovery MCH */
#ifdef CONFIG_MACHCHK_WARNING
ctl_set_bit(14, 24); /* enable warning MCH */
@@ -529,7 +538,11 @@ arch_initcall(machine_check_init);
static int __init
machine_check_crw_init (void)
{
- kthread_run(s390_collect_crw_info, &m_sem, "kmcheck");
+ struct task_struct *task;
+
+ task = kthread_run(s390_collect_crw_info, &m_sem, "kmcheck");
+ if (IS_ERR(task))
+ return PTR_ERR(task);
ctl_set_bit(14, 28); /* enable channel report MCH */
return 0;
}
diff --git a/drivers/s390/s390mach.h b/drivers/s390/s390mach.h
index 7abb42a09ae..d3ca4281a49 100644
--- a/drivers/s390/s390mach.h
+++ b/drivers/s390/s390mach.h
@@ -102,4 +102,7 @@ static inline int stcrw(struct crw *pcrw )
return ccode;
}
+#define ED_ETR_SYNC 12 /* External damage ETR sync check */
+#define ED_ETR_SWITCH 13 /* External damage ETR switch to local */
+
#endif /* __s390mach */
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 85093b71f9f..39a88526679 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -47,13 +47,12 @@ static int __init zfcp_module_init(void);
static void zfcp_ns_gid_pn_handler(unsigned long);
/* miscellaneous */
-static inline int zfcp_sg_list_alloc(struct zfcp_sg_list *, size_t);
-static inline void zfcp_sg_list_free(struct zfcp_sg_list *);
-static inline int zfcp_sg_list_copy_from_user(struct zfcp_sg_list *,
- void __user *, size_t);
-static inline int zfcp_sg_list_copy_to_user(void __user *,
- struct zfcp_sg_list *, size_t);
-
+static int zfcp_sg_list_alloc(struct zfcp_sg_list *, size_t);
+static void zfcp_sg_list_free(struct zfcp_sg_list *);
+static int zfcp_sg_list_copy_from_user(struct zfcp_sg_list *,
+ void __user *, size_t);
+static int zfcp_sg_list_copy_to_user(void __user *,
+ struct zfcp_sg_list *, size_t);
static long zfcp_cfdc_dev_ioctl(struct file *, unsigned int, unsigned long);
#define ZFCP_CFDC_IOC_MAGIC 0xDD
@@ -605,7 +604,7 @@ zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
* elements of the scatter-gather list. The maximum size of a single element
* in the scatter-gather list is PAGE_SIZE.
*/
-static inline int
+static int
zfcp_sg_list_alloc(struct zfcp_sg_list *sg_list, size_t size)
{
struct scatterlist *sg;
@@ -652,7 +651,7 @@ zfcp_sg_list_alloc(struct zfcp_sg_list *sg_list, size_t size)
* Memory for each element in the scatter-gather list is freed.
* Finally sg_list->sg is freed itself and sg_list->count is reset.
*/
-static inline void
+static void
zfcp_sg_list_free(struct zfcp_sg_list *sg_list)
{
struct scatterlist *sg;
@@ -697,7 +696,7 @@ zfcp_sg_size(struct scatterlist *sg, unsigned int sg_count)
* @size: number of bytes to be copied
* Return: 0 on success, -EFAULT if copy_from_user fails.
*/
-static inline int
+static int
zfcp_sg_list_copy_from_user(struct zfcp_sg_list *sg_list,
void __user *user_buffer,
size_t size)
@@ -735,7 +734,7 @@ zfcp_sg_list_copy_from_user(struct zfcp_sg_list *sg_list,
* @size: number of bytes to be copied
* Return: 0 on success, -EFAULT if copy_to_user fails
*/
-static inline int
+static int
zfcp_sg_list_copy_to_user(void __user *user_buffer,
struct zfcp_sg_list *sg_list,
size_t size)
@@ -1799,7 +1798,7 @@ static const struct zfcp_rc_entry zfcp_p_rjt_rc[] = {
* @code: reason code
* @rc_table: table of reason codes and descriptions
*/
-static inline const char *
+static const char *
zfcp_rc_description(u8 code, const struct zfcp_rc_entry *rc_table)
{
const char *descr = "unknown reason code";
@@ -1847,7 +1846,7 @@ zfcp_check_ct_response(struct ct_hdr *rjt)
* @rjt_par: reject parameter acc. to FC-PH/FC-FS
* @rc_table: table of reason codes and descriptions
*/
-static inline void
+static void
zfcp_print_els_rjt(struct zfcp_ls_rjt_par *rjt_par,
const struct zfcp_rc_entry *rc_table)
{
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 0aa3b1ac76a..d8191d115c1 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -31,7 +31,7 @@ MODULE_PARM_DESC(dbfsize,
#define ZFCP_LOG_AREA ZFCP_LOG_AREA_OTHER
-static inline int
+static int
zfcp_dbf_stck(char *out_buf, const char *label, unsigned long long stck)
{
unsigned long long sec;
@@ -106,7 +106,7 @@ zfcp_dbf_view_dump(char *out_buf, const char *label,
return len;
}
-static inline int
+static int
zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area,
debug_entry_t * entry, char *out_buf)
{
@@ -130,7 +130,7 @@ zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area,
return len;
}
-inline void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
+void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_adapter *adapter = fsf_req->adapter;
struct fsf_qtcb *qtcb = fsf_req->qtcb;
@@ -241,7 +241,7 @@ inline void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
}
-inline void
+void
zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
struct fsf_status_read_buffer *status_buffer)
{
@@ -295,7 +295,7 @@ zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
}
-inline void
+void
zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
unsigned int qdio_error, unsigned int siga_error,
int sbal_index, int sbal_count)
@@ -316,7 +316,7 @@ zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
}
-static inline int
+static int
zfcp_hba_dbf_view_response(char *out_buf,
struct zfcp_hba_dbf_record_response *rec)
{
@@ -403,7 +403,7 @@ zfcp_hba_dbf_view_response(char *out_buf,
return len;
}
-static inline int
+static int
zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec)
{
int len = 0;
@@ -424,7 +424,7 @@ zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec)
return len;
}
-static inline int
+static int
zfcp_hba_dbf_view_qdio(char *out_buf, struct zfcp_hba_dbf_record_qdio *rec)
{
int len = 0;
@@ -469,7 +469,7 @@ zfcp_hba_dbf_view_format(debug_info_t * id, struct debug_view *view,
return len;
}
-struct debug_view zfcp_hba_dbf_view = {
+static struct debug_view zfcp_hba_dbf_view = {
"structured",
NULL,
&zfcp_dbf_view_header,
@@ -478,7 +478,7 @@ struct debug_view zfcp_hba_dbf_view = {
NULL
};
-inline void
+void
_zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req,
u32 s_id, u32 d_id, void *buffer, int buflen)
{
@@ -519,7 +519,7 @@ _zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req,
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
}
-inline void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
+void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
struct zfcp_port *port = ct->port;
@@ -531,7 +531,7 @@ inline void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
ct->req->length);
}
-inline void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
+void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
struct zfcp_port *port = ct->port;
@@ -543,7 +543,7 @@ inline void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
ct->resp->length);
}
-static inline void
+static void
_zfcp_san_dbf_event_common_els(const char *tag, int level,
struct zfcp_fsf_req *fsf_req, u32 s_id,
u32 d_id, u8 ls_code, void *buffer, int buflen)
@@ -585,7 +585,7 @@ _zfcp_san_dbf_event_common_els(const char *tag, int level,
spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
}
-inline void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
+void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
@@ -597,7 +597,7 @@ inline void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
els->req->length);
}
-inline void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
+void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
@@ -608,7 +608,7 @@ inline void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
els->resp->length);
}
-inline void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
+void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
{
struct zfcp_adapter *adapter = fsf_req->adapter;
struct fsf_status_read_buffer *status_buffer =
@@ -693,7 +693,7 @@ zfcp_san_dbf_view_format(debug_info_t * id, struct debug_view *view,
return len;
}
-struct debug_view zfcp_san_dbf_view = {
+static struct debug_view zfcp_san_dbf_view = {
"structured",
NULL,
&zfcp_dbf_view_header,
@@ -702,7 +702,7 @@ struct debug_view zfcp_san_dbf_view = {
NULL
};
-static inline void
+static void
_zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
struct zfcp_adapter *adapter,
struct scsi_cmnd *scsi_cmnd,
@@ -786,7 +786,7 @@ _zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags);
}
-inline void
+void
zfcp_scsi_dbf_event_result(const char *tag, int level,
struct zfcp_adapter *adapter,
struct scsi_cmnd *scsi_cmnd,
@@ -796,7 +796,7 @@ zfcp_scsi_dbf_event_result(const char *tag, int level,
adapter, scsi_cmnd, fsf_req, 0);
}
-inline void
+void
zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
struct scsi_cmnd *scsi_cmnd,
struct zfcp_fsf_req *new_fsf_req,
@@ -806,7 +806,7 @@ zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
adapter, scsi_cmnd, new_fsf_req, old_req_id);
}
-inline void
+void
zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit,
struct scsi_cmnd *scsi_cmnd)
{
@@ -884,7 +884,7 @@ zfcp_scsi_dbf_view_format(debug_info_t * id, struct debug_view *view,
return len;
}
-struct debug_view zfcp_scsi_dbf_view = {
+static struct debug_view zfcp_scsi_dbf_view = {
"structured",
NULL,
&zfcp_dbf_view_header,
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index c88babce9bc..88642dec080 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -200,7 +200,7 @@ void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req, unsigned long timeout)
* returns: 0 - initiated action successfully
* <0 - failed to initiate action
*/
-int
+static int
zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter, int clear_mask)
{
int retval;
@@ -295,7 +295,7 @@ zfcp_erp_unit_shutdown(struct zfcp_unit *unit, int clear_mask)
* zfcp_erp_adisc - send ADISC ELS command
* @port: port structure
*/
-int
+static int
zfcp_erp_adisc(struct zfcp_port *port)
{
struct zfcp_adapter *adapter = port->adapter;
@@ -380,7 +380,7 @@ zfcp_erp_adisc(struct zfcp_port *port)
*
* If ADISC failed (LS_RJT or timed out) forced reopen of the port is triggered.
*/
-void
+static void
zfcp_erp_adisc_handler(unsigned long data)
{
struct zfcp_send_els *send_els;
@@ -3141,7 +3141,6 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter,
break;
case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
if (result != ZFCP_ERP_SUCCEEDED) {
- struct zfcp_port *port;
list_for_each_entry(port, &adapter->port_list_head, list)
if (port->rport &&
!atomic_test_mask(ZFCP_STATUS_PORT_WKA,
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index b8794d77285..cda0cc095ad 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -119,8 +119,8 @@ extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t);
extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *);
-extern void set_host_byte(u32 *, char);
-extern void set_driver_byte(u32 *, char);
+extern void set_host_byte(int *, char);
+extern void set_driver_byte(int *, char);
extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 067f1519eb0..4b3ae3f22e7 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -4563,7 +4563,7 @@ zfcp_fsf_req_sbal_check(unsigned long *flags,
/*
* set qtcb pointer in fsf_req and initialize QTCB
*/
-static inline void
+static void
zfcp_fsf_req_qtcb_init(struct zfcp_fsf_req *fsf_req)
{
if (likely(fsf_req->qtcb != NULL)) {
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index dbd9f48e863..1e12a78e8ed 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -21,22 +21,22 @@
#include "zfcp_ext.h"
-static inline void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *, int);
+static void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *, int);
static inline volatile struct qdio_buffer_element *zfcp_qdio_sbale_get
(struct zfcp_qdio_queue *, int, int);
static inline volatile struct qdio_buffer_element *zfcp_qdio_sbale_resp
(struct zfcp_fsf_req *, int, int);
-static inline volatile struct qdio_buffer_element *zfcp_qdio_sbal_chain
+static volatile struct qdio_buffer_element *zfcp_qdio_sbal_chain
(struct zfcp_fsf_req *, unsigned long);
-static inline volatile struct qdio_buffer_element *zfcp_qdio_sbale_next
+static volatile struct qdio_buffer_element *zfcp_qdio_sbale_next
(struct zfcp_fsf_req *, unsigned long);
-static inline int zfcp_qdio_sbals_zero(struct zfcp_qdio_queue *, int, int);
+static int zfcp_qdio_sbals_zero(struct zfcp_qdio_queue *, int, int);
static inline int zfcp_qdio_sbals_wipe(struct zfcp_fsf_req *);
-static inline void zfcp_qdio_sbale_fill
+static void zfcp_qdio_sbale_fill
(struct zfcp_fsf_req *, unsigned long, void *, int);
-static inline int zfcp_qdio_sbals_from_segment
+static int zfcp_qdio_sbals_from_segment
(struct zfcp_fsf_req *, unsigned long, void *, unsigned long);
-static inline int zfcp_qdio_sbals_from_buffer
+static int zfcp_qdio_sbals_from_buffer
(struct zfcp_fsf_req *, unsigned long, void *, unsigned long, int);
static qdio_handler_t zfcp_qdio_request_handler;
@@ -201,7 +201,7 @@ zfcp_qdio_allocate(struct zfcp_adapter *adapter)
* returns: error flag
*
*/
-static inline int
+static int
zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, unsigned int status,
unsigned int qdio_error, unsigned int siga_error,
int first_element, int elements_processed)
@@ -462,7 +462,7 @@ zfcp_qdio_sbale_get(struct zfcp_qdio_queue *queue, int sbal, int sbale)
* zfcp_qdio_sbale_req - return pointer to SBALE of request_queue for
* a struct zfcp_fsf_req
*/
-inline volatile struct qdio_buffer_element *
+volatile struct qdio_buffer_element *
zfcp_qdio_sbale_req(struct zfcp_fsf_req *fsf_req, int sbal, int sbale)
{
return zfcp_qdio_sbale_get(&fsf_req->adapter->request_queue,
@@ -484,7 +484,7 @@ zfcp_qdio_sbale_resp(struct zfcp_fsf_req *fsf_req, int sbal, int sbale)
* zfcp_qdio_sbale_curr - return current SBALE on request_queue for
* a struct zfcp_fsf_req
*/
-inline volatile struct qdio_buffer_element *
+volatile struct qdio_buffer_element *
zfcp_qdio_sbale_curr(struct zfcp_fsf_req *fsf_req)
{
return zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr,
@@ -499,7 +499,7 @@ zfcp_qdio_sbale_curr(struct zfcp_fsf_req *fsf_req)
*
* Note: We can assume at least one free SBAL in the request_queue when called.
*/
-static inline void
+static void
zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
{
int count = atomic_read(&fsf_req->adapter->request_queue.free_count);
@@ -517,7 +517,7 @@ zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
*
* This function changes sbal_curr, sbale_curr, sbal_number of fsf_req.
*/
-static inline volatile struct qdio_buffer_element *
+static volatile struct qdio_buffer_element *
zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
{
volatile struct qdio_buffer_element *sbale;
@@ -554,7 +554,7 @@ zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
/**
* zfcp_qdio_sbale_next - switch to next SBALE, chain SBALs if needed
*/
-static inline volatile struct qdio_buffer_element *
+static volatile struct qdio_buffer_element *
zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
{
if (fsf_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL)
@@ -569,7 +569,7 @@ zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
* zfcp_qdio_sbals_zero - initialize SBALs between first and last in queue
* with zero from
*/
-static inline int
+static int
zfcp_qdio_sbals_zero(struct zfcp_qdio_queue *queue, int first, int last)
{
struct qdio_buffer **buf = queue->buffer;
@@ -603,7 +603,7 @@ zfcp_qdio_sbals_wipe(struct zfcp_fsf_req *fsf_req)
* zfcp_qdio_sbale_fill - set address and lenght in current SBALE
* on request_queue
*/
-static inline void
+static void
zfcp_qdio_sbale_fill(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
void *addr, int length)
{
@@ -624,7 +624,7 @@ zfcp_qdio_sbale_fill(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
* Alignment and length of the segment determine how many SBALEs are needed
* for the memory segment.
*/
-static inline int
+static int
zfcp_qdio_sbals_from_segment(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
void *start_addr, unsigned long total_length)
{
@@ -659,7 +659,7 @@ zfcp_qdio_sbals_from_segment(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
* @sg_count: number of elements in scatter-gather list
* @max_sbals: upper bound for number of SBALs to be used
*/
-inline int
+int
zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
struct scatterlist *sg, int sg_count, int max_sbals)
{
@@ -707,7 +707,7 @@ out:
* @length: length of buffer
* @max_sbals: upper bound for number of SBALs to be used
*/
-static inline int
+static int
zfcp_qdio_sbals_from_buffer(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
void *buffer, unsigned long length, int max_sbals)
{
@@ -728,7 +728,7 @@ zfcp_qdio_sbals_from_buffer(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
* @scsi_cmnd: either scatter-gather list or buffer contained herein is used
* to fill SBALs
*/
-inline int
+int
zfcp_qdio_sbals_from_scsicmnd(struct zfcp_fsf_req *fsf_req,
unsigned long sbtype, struct scsi_cmnd *scsi_cmnd)
{
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 452d96f92a1..99db02062c3 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -90,7 +90,7 @@ zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu)
return fcp_sns_info_ptr;
}
-fcp_dl_t *
+static fcp_dl_t *
zfcp_get_fcp_dl_ptr(struct fcp_cmnd_iu * fcp_cmd)
{
int additional_length = fcp_cmd->add_fcp_cdb_length << 2;
@@ -124,19 +124,19 @@ zfcp_set_fcp_dl(struct fcp_cmnd_iu *fcp_cmd, fcp_dl_t fcp_dl)
* regarding the specified byte
*/
static inline void
-set_byte(u32 * result, char status, char pos)
+set_byte(int *result, char status, char pos)
{
*result |= status << (pos * 8);
}
void
-set_host_byte(u32 * result, char status)
+set_host_byte(int *result, char status)
{
set_byte(result, status, 2);
}
void
-set_driver_byte(u32 * result, char status)
+set_driver_byte(int *result, char status)
{
set_byte(result, status, 3);
}
@@ -280,7 +280,7 @@ out:
return retval;
}
-void
+static void
zfcp_scsi_command_sync_handler(struct scsi_cmnd *scpnt)
{
struct completion *wait = (struct completion *) scpnt->SCp.ptr;
@@ -324,7 +324,7 @@ zfcp_scsi_command_sync(struct zfcp_unit *unit, struct scsi_cmnd *scpnt,
* returns: 0 - success, SCSI command enqueued
* !0 - failure
*/
-int
+static int
zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt,
void (*done) (struct scsi_cmnd *))
{
@@ -380,7 +380,7 @@ zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, unsigned int id,
* will handle late commands. (Usually, the normal completion of late
* commands is ignored with respect to the running abort operation.)
*/
-int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
+static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
{
struct Scsi_Host *scsi_host;
struct zfcp_adapter *adapter;
@@ -445,7 +445,7 @@ int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
return retval;
}
-int
+static int
zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
{
int retval;
@@ -541,7 +541,7 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags,
/**
* zfcp_scsi_eh_host_reset_handler - handler for host and bus reset
*/
-int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
+static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
{
struct zfcp_unit *unit;
struct zfcp_adapter *adapter;
diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c
index 1e788e815ce..090743d2f91 100644
--- a/drivers/s390/sysinfo.c
+++ b/drivers/s390/sysinfo.c
@@ -9,8 +9,14 @@
#include <linux/mm.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <asm/ebcdic.h>
+/* Sigh, math-emu. Don't ask. */
+#include <asm/sfp-util.h>
+#include <math-emu/soft-fp.h>
+#include <math-emu/single.h>
+
struct sysinfo_1_1_1 {
char reserved_0[32];
char manufacturer[16];
@@ -198,7 +204,7 @@ static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len)
* if the higher order 8 bits are not zero. Printing
* a floating point number in the kernel is a no-no,
* always print the number as 32 bit unsigned integer.
- * The user-space needs to know about the stange
+ * The user-space needs to know about the strange
* encoding of the alternate cpu capability.
*/
len += sprintf(page + len, "Capability: %u %u\n",
@@ -351,3 +357,58 @@ static __init int create_proc_sysinfo(void)
__initcall(create_proc_sysinfo);
+/*
+ * CPU capability might have changed. Therefore recalculate loops_per_jiffy.
+ */
+void s390_adjust_jiffies(void)
+{
+ struct sysinfo_1_2_2 *info;
+ const unsigned int fmil = 0x4b189680; /* 1e7 as 32-bit float. */
+ FP_DECL_S(SA); FP_DECL_S(SB); FP_DECL_S(SR);
+ FP_DECL_EX;
+ unsigned int capability;
+
+ info = (void *) get_zeroed_page(GFP_KERNEL);
+ if (!info)
+ return;
+
+ if (stsi(info, 1, 2, 2) != -ENOSYS) {
+ /*
+ * Major sigh. The cpu capability encoding is "special".
+ * If the first 9 bits of info->capability are 0 then it
+ * is a 32 bit unsigned integer in the range 0 .. 2^23.
+ * If the first 9 bits are != 0 then it is a 32 bit float.
+ * In addition a lower value indicates a proportionally
+ * higher cpu capacity. Bogomips are the other way round.
+ * To get to a halfway suitable number we divide 1e7
+ * by the cpu capability number. Yes, that means a floating
+ * point division .. math-emu here we come :-)
+ */
+ FP_UNPACK_SP(SA, &fmil);
+ if ((info->capability >> 23) == 0)
+ FP_FROM_INT_S(SB, info->capability, 32, int);
+ else
+ FP_UNPACK_SP(SB, &info->capability);
+ FP_DIV_S(SR, SA, SB);
+ FP_TO_INT_S(capability, SR, 32, 0);
+ } else
+ /*
+ * Really old machine without stsi block for basic
+ * cpu information. Report 42.0 bogomips.
+ */
+ capability = 42;
+ loops_per_jiffy = capability * (500000/HZ);
+ free_page((unsigned long) info);
+}
+
+/*
+ * calibrate the delay loop
+ */
+void __init calibrate_delay(void)
+{
+ s390_adjust_jiffies();
+ /* Print the good old Bogomips line .. */
+ printk(KERN_DEBUG "Calibrating delay loop (skipped)... "
+ "%lu.%02lu BogoMIPS preset\n", loops_per_jiffy/(500000/HZ),
+ (loops_per_jiffy/(5000/HZ)) % 100);
+}