diff options
author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
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committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
commit | c973b112c76c9d8fd042991128f218a738cc8d0a (patch) | |
tree | e813b0da5d0a0e19e06de6462d145a29ad683026 /drivers/s390 | |
parent | c5fbc3966f48279dbebfde10248c977014aa9988 (diff) | |
parent | 00dd1e433967872f3997a45d5adf35056fdf2f56 (diff) | |
download | linux-c973b112c76c9d8fd042991128f218a738cc8d0a.tar.bz2 |
Merge with /shiny/git/linux-2.6/.git
Diffstat (limited to 'drivers/s390')
-rw-r--r-- | drivers/s390/block/dasd.c | 6 | ||||
-rw-r--r-- | drivers/s390/block/dasd_fba.c | 4 | ||||
-rw-r--r-- | drivers/s390/char/tape.h | 7 | ||||
-rw-r--r-- | drivers/s390/char/tape_core.c | 299 | ||||
-rw-r--r-- | drivers/s390/char/vmcp.c | 6 | ||||
-rw-r--r-- | drivers/s390/char/vmwatchdog.c | 6 | ||||
-rw-r--r-- | drivers/s390/cio/chsc.c | 10 | ||||
-rw-r--r-- | drivers/s390/cio/device_fsm.c | 3 | ||||
-rw-r--r-- | drivers/s390/cio/device_status.c | 5 | ||||
-rw-r--r-- | drivers/s390/cio/qdio.c | 20 | ||||
-rw-r--r-- | drivers/s390/net/qeth.h | 26 | ||||
-rw-r--r-- | drivers/s390/net/qeth_main.c | 24 | ||||
-rw-r--r-- | drivers/s390/net/qeth_proc.c | 126 |
13 files changed, 306 insertions, 236 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 6527ff6f4706..d5f53980749b 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -7,7 +7,7 @@ * Bugreports.to..: <Linux390@de.ibm.com> * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001 * - * $Revision: 1.164 $ + * $Revision: 1.165 $ */ #include <linux/config.h> @@ -1740,6 +1740,10 @@ dasd_exit(void) dasd_proc_exit(); #endif dasd_ioctl_exit(); + if (dasd_page_cache != NULL) { + kmem_cache_destroy(dasd_page_cache); + dasd_page_cache = NULL; + } dasd_gendisk_exit(); dasd_devmap_exit(); devfs_remove("dasd"); diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 7963ae343eef..28cb4613b7f5 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -4,7 +4,7 @@ * Bugreports.to..: <Linux390@de.ibm.com> * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 * - * $Revision: 1.39 $ + * $Revision: 1.40 $ */ #include <linux/config.h> @@ -354,6 +354,8 @@ dasd_fba_build_cp(struct dasd_device * device, struct request *req) } cqr->device = device; cqr->expires = 5 * 60 * HZ; /* 5 minutes */ + cqr->retries = 32; + cqr->buildclk = get_clock(); cqr->status = DASD_CQR_FILLED; return cqr; } diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index d04e6c2c3cc1..01d865d93791 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -3,10 +3,11 @@ * tape device driver for 3480/3490E/3590 tapes. * * S390 and zSeries version - * Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation * Author(s): Carsten Otte <cotte@de.ibm.com> * Tuan Ngo-Anh <ngoanh@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> + * Stefan Bader <shbader@de.ibm.com> */ #ifndef _TAPE_H @@ -111,6 +112,7 @@ enum tape_request_status { TAPE_REQUEST_QUEUED, /* request is queued to be processed */ TAPE_REQUEST_IN_IO, /* request is currently in IO */ TAPE_REQUEST_DONE, /* request is completed. */ + TAPE_REQUEST_CANCEL, /* request should be canceled. */ }; /* Tape CCW request */ @@ -237,6 +239,9 @@ struct tape_device { /* Block dev frontend data */ struct tape_blk_data blk_data; #endif + + /* Function to start or stop the next request later. */ + struct work_struct tape_dnr; }; /* Externals from tape_core.c */ diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 0597aa0e27ee..6c52e8307dc5 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -3,11 +3,12 @@ * basic function of the tape device driver * * S390 and zSeries version - * Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright (C) 2001,2005 IBM Deutschland Entwicklung GmbH, IBM Corporation * Author(s): Carsten Otte <cotte@de.ibm.com> * Michael Holzheu <holzheu@de.ibm.com> * Tuan Ngo-Anh <ngoanh@de.ibm.com> * Martin Schwidefsky <schwidefsky@de.ibm.com> + * Stefan Bader <shbader@de.ibm.com> */ #include <linux/config.h> @@ -28,7 +29,7 @@ #define PRINTK_HEADER "TAPE_CORE: " static void __tape_do_irq (struct ccw_device *, unsigned long, struct irb *); -static void __tape_remove_request(struct tape_device *, struct tape_request *); +static void tape_delayed_next_request(void * data); /* * One list to contain all tape devices of all disciplines, so @@ -257,7 +258,7 @@ 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 -__tape_halt_io(struct tape_device *device, struct tape_request *request) +__tape_cancel_io(struct tape_device *device, struct tape_request *request) { int retries; int rc; @@ -270,20 +271,23 @@ __tape_halt_io(struct tape_device *device, struct tape_request *request) for (retries = 0; retries < 5; retries++) { rc = ccw_device_clear(device->cdev, (long) request); - if (rc == 0) { /* Termination successful */ - request->rc = -EIO; - request->status = TAPE_REQUEST_DONE; - return 0; + switch (rc) { + case 0: + request->status = TAPE_REQUEST_DONE; + return 0; + case -EBUSY: + request->status = TAPE_REQUEST_CANCEL; + schedule_work(&device->tape_dnr); + return 0; + case -ENODEV: + DBF_EXCEPTION(2, "device gone, retry\n"); + break; + case -EIO: + DBF_EXCEPTION(2, "I/O error, retry\n"); + break; + default: + BUG(); } - - if (rc == -ENODEV) - DBF_EXCEPTION(2, "device gone, retry\n"); - else if (rc == -EIO) - DBF_EXCEPTION(2, "I/O error, retry\n"); - else if (rc == -EBUSY) - DBF_EXCEPTION(2, "device busy, retry late\n"); - else - BUG(); } return rc; @@ -473,6 +477,7 @@ tape_alloc_device(void) *device->modeset_byte = 0; device->first_minor = -1; atomic_set(&device->ref_count, 1); + INIT_WORK(&device->tape_dnr, tape_delayed_next_request, device); return device; } @@ -708,54 +713,119 @@ tape_free_request (struct tape_request * request) kfree(request); } +static inline int +__tape_start_io(struct tape_device *device, struct tape_request *request) +{ + int rc; + +#ifdef CONFIG_S390_TAPE_BLOCK + if (request->op == TO_BLOCK) + device->discipline->check_locate(device, request); +#endif + rc = ccw_device_start( + device->cdev, + request->cpaddr, + (unsigned long) request, + 0x00, + request->options + ); + if (rc == 0) { + request->status = TAPE_REQUEST_IN_IO; + } else if (rc == -EBUSY) { + /* The common I/O subsystem is currently busy. Retry later. */ + request->status = TAPE_REQUEST_QUEUED; + schedule_work(&device->tape_dnr); + rc = 0; + } else { + /* Start failed. Remove request and indicate failure. */ + DBF_EVENT(1, "tape: start request failed with RC = %i\n", rc); + } + return rc; +} + static inline void -__tape_do_io_list(struct tape_device *device) +__tape_start_next_request(struct tape_device *device) { struct list_head *l, *n; struct tape_request *request; int rc; - DBF_LH(6, "__tape_do_io_list(%p)\n", device); + DBF_LH(6, "__tape_start_next_request(%p)\n", device); /* * Try to start each request on request queue until one is * started successful. */ list_for_each_safe(l, n, &device->req_queue) { request = list_entry(l, struct tape_request, list); -#ifdef CONFIG_S390_TAPE_BLOCK - if (request->op == TO_BLOCK) - device->discipline->check_locate(device, request); -#endif - rc = ccw_device_start(device->cdev, request->cpaddr, - (unsigned long) request, 0x00, - request->options); - if (rc == 0) { - request->status = TAPE_REQUEST_IN_IO; - break; + + /* + * Avoid race condition if bottom-half was triggered more than + * once. + */ + if (request->status == TAPE_REQUEST_IN_IO) + return; + + /* + * We wanted to cancel the request but the common I/O layer + * was busy at that time. This can only happen if this + * function is called by delayed_next_request. + * Otherwise we start the next request on the queue. + */ + if (request->status == TAPE_REQUEST_CANCEL) { + rc = __tape_cancel_io(device, request); + } else { + rc = __tape_start_io(device, request); } - /* Start failed. Remove request and indicate failure. */ - DBF_EVENT(1, "tape: DOIO failed with er = %i\n", rc); + if (rc == 0) + return; - /* Set ending status and do callback. */ + /* Set ending status. */ request->rc = rc; request->status = TAPE_REQUEST_DONE; - __tape_remove_request(device, request); + + /* Remove from request queue. */ + list_del(&request->list); + + /* Do callback. */ + if (request->callback != NULL) + request->callback(request, request->callback_data); } } static void -__tape_remove_request(struct tape_device *device, struct tape_request *request) +tape_delayed_next_request(void *data) { - /* Remove from request queue. */ - list_del(&request->list); + struct tape_device * device; - /* Do callback. */ - if (request->callback != NULL) - request->callback(request, request->callback_data); + device = (struct tape_device *) data; + DBF_LH(6, "tape_delayed_next_request(%p)\n", device); + spin_lock_irq(get_ccwdev_lock(device->cdev)); + __tape_start_next_request(device); + spin_unlock_irq(get_ccwdev_lock(device->cdev)); +} + +static inline void +__tape_end_request( + struct tape_device * device, + struct tape_request * request, + int rc) +{ + DBF_LH(6, "__tape_end_request(%p, %p, %i)\n", device, request, rc); + if (request) { + request->rc = rc; + request->status = TAPE_REQUEST_DONE; + + /* Remove from request queue. */ + list_del(&request->list); + + /* Do callback. */ + if (request->callback != NULL) + request->callback(request, request->callback_data); + } /* Start next request. */ if (!list_empty(&device->req_queue)) - __tape_do_io_list(device); + __tape_start_next_request(device); } /* @@ -812,7 +882,7 @@ tape_dump_sense_dbf(struct tape_device *device, struct tape_request *request, * the device lock held. */ static inline int -__tape_do_io(struct tape_device *device, struct tape_request *request) +__tape_start_request(struct tape_device *device, struct tape_request *request) { int rc; @@ -837,24 +907,16 @@ __tape_do_io(struct tape_device *device, struct tape_request *request) if (list_empty(&device->req_queue)) { /* No other requests are on the queue. Start this one. */ -#ifdef CONFIG_S390_TAPE_BLOCK - if (request->op == TO_BLOCK) - device->discipline->check_locate(device, request); -#endif - rc = ccw_device_start(device->cdev, request->cpaddr, - (unsigned long) request, 0x00, - request->options); - if (rc) { - DBF_EVENT(1, "tape: DOIO failed with rc = %i\n", rc); + rc = __tape_start_io(device, request); + if (rc) return rc; - } + DBF_LH(5, "Request %p added for execution.\n", request); list_add(&request->list, &device->req_queue); - request->status = TAPE_REQUEST_IN_IO; } else { DBF_LH(5, "Request %p add to queue.\n", request); - list_add_tail(&request->list, &device->req_queue); request->status = TAPE_REQUEST_QUEUED; + list_add_tail(&request->list, &device->req_queue); } return 0; } @@ -872,7 +934,7 @@ tape_do_io_async(struct tape_device *device, struct tape_request *request) spin_lock_irq(get_ccwdev_lock(device->cdev)); /* Add request to request queue and try to start it. */ - rc = __tape_do_io(device, request); + rc = __tape_start_request(device, request); spin_unlock_irq(get_ccwdev_lock(device->cdev)); return rc; } @@ -901,7 +963,7 @@ tape_do_io(struct tape_device *device, struct tape_request *request) request->callback = __tape_wake_up; request->callback_data = &wq; /* Add request to request queue and try to start it. */ - rc = __tape_do_io(device, request); + rc = __tape_start_request(device, request); spin_unlock_irq(get_ccwdev_lock(device->cdev)); if (rc) return rc; @@ -935,7 +997,7 @@ tape_do_io_interruptible(struct tape_device *device, /* Setup callback */ request->callback = __tape_wake_up_interruptible; request->callback_data = &wq; - rc = __tape_do_io(device, request); + rc = __tape_start_request(device, request); spin_unlock_irq(get_ccwdev_lock(device->cdev)); if (rc) return rc; @@ -944,36 +1006,27 @@ tape_do_io_interruptible(struct tape_device *device, if (rc != -ERESTARTSYS) /* Request finished normally. */ return request->rc; + /* Interrupted by a signal. We have to stop the current request. */ spin_lock_irq(get_ccwdev_lock(device->cdev)); - rc = __tape_halt_io(device, request); + rc = __tape_cancel_io(device, request); + spin_unlock_irq(get_ccwdev_lock(device->cdev)); if (rc == 0) { + /* Wait for the interrupt that acknowledges the halt. */ + do { + rc = wait_event_interruptible( + wq, + (request->callback == NULL) + ); + } while (rc != -ERESTARTSYS); + DBF_EVENT(3, "IO stopped on %08x\n", device->cdev_id); rc = -ERESTARTSYS; } - spin_unlock_irq(get_ccwdev_lock(device->cdev)); return rc; } /* - * Handle requests that return an i/o error in the irb. - */ -static inline void -tape_handle_killed_request( - struct tape_device *device, - struct tape_request *request) -{ - if(request != NULL) { - /* Set ending status. FIXME: Should the request be retried? */ - request->rc = -EIO; - request->status = TAPE_REQUEST_DONE; - __tape_remove_request(device, request); - } else { - __tape_do_io_list(device); - } -} - -/* * Tape interrupt routine, called from the ccw_device layer */ static void @@ -981,7 +1034,6 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) { struct tape_device *device; struct tape_request *request; - int final; int rc; device = (struct tape_device *) cdev->dev.driver_data; @@ -996,12 +1048,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) /* On special conditions irb is an error pointer */ if (IS_ERR(irb)) { + /* FIXME: What to do with the request? */ switch (PTR_ERR(irb)) { case -ETIMEDOUT: PRINT_WARN("(%s): Request timed out\n", cdev->dev.bus_id); case -EIO: - tape_handle_killed_request(device, request); + __tape_end_request(device, request, -EIO); break; default: PRINT_ERR("(%s): Unexpected i/o error %li\n", @@ -1011,6 +1064,21 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) return; } + /* + * If the condition code is not zero and the start function bit is + * still set, this is an deferred error and the last start I/O did + * not succeed. Restart the request now. + */ + if (irb->scsw.cc != 0 && (irb->scsw.fctl & SCSW_FCTL_START_FUNC)) { + PRINT_WARN("(%s): deferred cc=%i. restaring\n", + cdev->dev.bus_id, + irb->scsw.cc); + rc = __tape_start_io(device, request); + if (rc) + __tape_end_request(device, request, rc); + return; + } + /* May be an unsolicited irq */ if(request != NULL) request->rescnt = irb->scsw.count; @@ -1042,7 +1110,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) * To detect these request the state will be set to TAPE_REQUEST_DONE. */ if(request != NULL && request->status == TAPE_REQUEST_DONE) { - __tape_remove_request(device, request); + __tape_end_request(device, request, -EIO); return; } @@ -1054,51 +1122,34 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) * rc == TAPE_IO_RETRY: request finished but needs another go. * rc == TAPE_IO_STOP: request needs to get terminated. */ - final = 0; switch (rc) { - case TAPE_IO_SUCCESS: - /* Upon normal completion the device _is_ online */ - device->tape_generic_status |= GMT_ONLINE(~0); - final = 1; - break; - case TAPE_IO_PENDING: - break; - case TAPE_IO_RETRY: -#ifdef CONFIG_S390_TAPE_BLOCK - if (request->op == TO_BLOCK) - device->discipline->check_locate(device, request); -#endif - rc = ccw_device_start(cdev, request->cpaddr, - (unsigned long) request, 0x00, - request->options); - if (rc) { - DBF_EVENT(1, "tape: DOIO failed with er = %i\n", rc); - final = 1; - } - break; - case TAPE_IO_STOP: - __tape_halt_io(device, request); - break; - default: - if (rc > 0) { - DBF_EVENT(6, "xunknownrc\n"); - PRINT_ERR("Invalid return code from discipline " - "interrupt function.\n"); - rc = -EIO; - } - final = 1; - break; - } - if (final) { - /* May be an unsolicited irq */ - if(request != NULL) { - /* Set ending status. */ - request->rc = rc; - request->status = TAPE_REQUEST_DONE; - __tape_remove_request(device, request); - } else { - __tape_do_io_list(device); - } + case TAPE_IO_SUCCESS: + /* Upon normal completion the device _is_ online */ + device->tape_generic_status |= GMT_ONLINE(~0); + __tape_end_request(device, request, rc); + break; + case TAPE_IO_PENDING: + break; + case TAPE_IO_RETRY: + rc = __tape_start_io(device, request); + if (rc) + __tape_end_request(device, request, rc); + break; + case TAPE_IO_STOP: + rc = __tape_cancel_io(device, request); + if (rc) + __tape_end_request(device, request, rc); + break; + default: + if (rc > 0) { + DBF_EVENT(6, "xunknownrc\n"); + PRINT_ERR("Invalid return code from discipline " + "interrupt function.\n"); + __tape_end_request(device, request, -EIO); + } else { + __tape_end_request(device, request, rc); + } + break; } } @@ -1191,7 +1242,7 @@ tape_init (void) #ifdef DBF_LIKE_HELL debug_set_level(TAPE_DBF_AREA, 6); #endif - DBF_EVENT(3, "tape init: ($Revision: 1.51 $)\n"); + DBF_EVENT(3, "tape init: ($Revision: 1.54 $)\n"); tape_proc_init(); tapechar_init (); tapeblock_init (); @@ -1216,7 +1267,7 @@ tape_exit(void) MODULE_AUTHOR("(C) 2001 IBM Deutschland Entwicklung GmbH by Carsten Otte and " "Michael Holzheu (cotte@de.ibm.com,holzheu@de.ibm.com)"); MODULE_DESCRIPTION("Linux on zSeries channel attached " - "tape device driver ($Revision: 1.51 $)"); + "tape device driver ($Revision: 1.54 $)"); MODULE_LICENSE("GPL"); module_init(tape_init); diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c index 7f11a608a633..8990d8076e7d 100644 --- a/drivers/s390/char/vmcp.c +++ b/drivers/s390/char/vmcp.c @@ -115,9 +115,9 @@ vmcp_write(struct file *file, const char __user * buff, size_t count, return -ENOMEM; } debug_text_event(vmcp_debug, 1, cmd); - session->resp_size = cpcmd(cmd, session->response, - session->bufsize, - &session->resp_code); + session->resp_size = __cpcmd(cmd, session->response, + session->bufsize, + &session->resp_code); up(&session->mutex); kfree(cmd); *ppos = 0; /* reset the file pointer after a command */ diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c index 22cf4fec8da9..5473c23fcb52 100644 --- a/drivers/s390/char/vmwatchdog.c +++ b/drivers/s390/char/vmwatchdog.c @@ -23,11 +23,7 @@ static char vmwdt_cmd[MAX_CMDLEN] = "IPL"; static int vmwdt_conceal; -#ifdef CONFIG_WATCHDOG_NOWAYOUT -static int vmwdt_nowayout = 1; -#else -static int vmwdt_nowayout = 0; -#endif +static int vmwdt_nowayout = WATCHDOG_NOWAYOUT; MODULE_LICENSE("GPL"); MODULE_AUTHOR("Arnd Bergmann <arndb@de.ibm.com>"); diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index b86f94ecd874..fa3c23b80e3a 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -1,7 +1,7 @@ /* * drivers/s390/cio/chsc.c * S/390 common I/O routines -- channel subsystem call - * $Revision: 1.119 $ + * $Revision: 1.120 $ * * Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH, * IBM Corporation @@ -412,11 +412,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) if (chp_mask == 0) { spin_unlock_irq(&sch->lock); - - if (fla_mask != 0) - break; - else - continue; + continue; } old_lpm = sch->lpm; sch->lpm = ((sch->schib.pmcw.pim & @@ -430,7 +426,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) spin_unlock_irq(&sch->lock); put_device(&sch->dev); - if (fla_mask != 0) + if (fla_mask == 0xffff) break; } return rc; diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 9b7f6f548b1d..ee7a05e0c3ba 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -235,6 +235,9 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) sch->schib.pmcw.pam & sch->schib.pmcw.pom & sch->opm; + /* Check since device may again have become not operational. */ + if (!sch->schib.pmcw.dnv) + state = DEV_STATE_NOT_OPER; if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) /* Force reprobe on all chpids. */ old_lpm = 0; diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index 4ab2e0d95009..12a24d4331a2 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -39,15 +39,14 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) " ... device %04X on subchannel %04X, dev_stat " ": %02X sch_stat : %02X\n", cdev->private->devno, cdev->private->irq, - cdev->private->irb.scsw.dstat, - cdev->private->irb.scsw.cstat); + irb->scsw.dstat, irb->scsw.cstat); if (irb->scsw.cc != 3) { char dbf_text[15]; sprintf(dbf_text, "chk%x", cdev->private->irq); CIO_TRACE_EVENT(0, dbf_text); - CIO_HEX_EVENT(0, &cdev->private->irb, sizeof (struct irb)); + CIO_HEX_EVENT(0, irb, sizeof (struct irb)); } } diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 82194c4eadfb..d36258d6665f 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -432,7 +432,7 @@ tiqdio_clear_global_summary(void) /************************* OUTBOUND ROUTINES *******************************/ -inline static int +static inline int qdio_get_outbound_buffer_frontier(struct qdio_q *q) { int f,f_mod_no; @@ -510,7 +510,7 @@ out: } /* all buffers are processed */ -inline static int +static inline int qdio_is_outbound_q_done(struct qdio_q *q) { int no_used; @@ -532,7 +532,7 @@ qdio_is_outbound_q_done(struct qdio_q *q) return (no_used==0); } -inline static int +static inline int qdio_has_outbound_q_moved(struct qdio_q *q) { int i; @@ -552,7 +552,7 @@ qdio_has_outbound_q_moved(struct qdio_q *q) } } -inline static void +static inline void qdio_kick_outbound_q(struct qdio_q *q) { int result; @@ -641,7 +641,7 @@ qdio_kick_outbound_q(struct qdio_q *q) } } -inline static void +static inline void qdio_kick_outbound_handler(struct qdio_q *q) { int start, end, real_end, count; @@ -740,7 +740,7 @@ qdio_outbound_processing(struct qdio_q *q) /************************* INBOUND ROUTINES *******************************/ -inline static int +static inline int qdio_get_inbound_buffer_frontier(struct qdio_q *q) { int f,f_mod_no; @@ -865,7 +865,7 @@ out: return q->first_to_check; } -inline static int +static inline int qdio_has_inbound_q_moved(struct qdio_q *q) { int i; @@ -898,7 +898,7 @@ qdio_has_inbound_q_moved(struct qdio_q *q) } /* means, no more buffers to be filled */ -inline static int +static inline int tiqdio_is_inbound_q_done(struct qdio_q *q) { int no_used; @@ -951,7 +951,7 @@ tiqdio_is_inbound_q_done(struct qdio_q *q) return 0; } -inline static int +static inline int qdio_is_inbound_q_done(struct qdio_q *q) { int no_used; @@ -1010,7 +1010,7 @@ qdio_is_inbound_q_done(struct qdio_q *q) } } -inline static void +static inline void qdio_kick_inbound_handler(struct qdio_q *q) { int count, start, end, real_end, i; diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index 008e0a5d2eb3..3a0285669adf 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -824,7 +824,7 @@ extern struct list_head qeth_notify_list; #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") -inline static __u8 +static inline __u8 qeth_get_ipa_adp_type(enum qeth_link_types link_type) { switch (link_type) { @@ -835,7 +835,7 @@ qeth_get_ipa_adp_type(enum qeth_link_types link_type) } } -inline static int +static inline int qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size) { struct sk_buff *new_skb = NULL; @@ -852,6 +852,7 @@ qeth_realloc_headroom(struct qeth_card *card, struct sk_buff **skb, int size) } return 0; } + static inline struct sk_buff * qeth_pskb_unshare(struct sk_buff *skb, int pri) { @@ -863,8 +864,7 @@ qeth_pskb_unshare(struct sk_buff *skb, int pri) return nskb; } - -inline static void * +static inline void * qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size) { void *hdr; @@ -887,7 +887,7 @@ qeth_push_skb(struct qeth_card *card, struct sk_buff **skb, int size) } -inline static int +static inline int qeth_get_hlen(__u8 link_type) { #ifdef CONFIG_QETH_IPV6 @@ -911,7 +911,7 @@ qeth_get_hlen(__u8 link_type) #endif /* CONFIG_QETH_IPV6 */ } -inline static unsigned short +static inline unsigned short qeth_get_netdev_flags(struct qeth_card *card) { if (card->options.layer2) @@ -929,7 +929,7 @@ qeth_get_netdev_flags(struct qeth_card *card) } } -inline static int +static inline int qeth_get_initial_mtu_for_card(struct qeth_card * card) { switch (card->info.type) { @@ -950,7 +950,7 @@ qeth_get_initial_mtu_for_card(struct qeth_card * card) } } -inline static int +static inline int qeth_get_max_mtu_for_card(int cardtype) { switch (cardtype) { @@ -965,7 +965,7 @@ qeth_get_max_mtu_for_card(int cardtype) } } -inline static int +static inline int qeth_get_mtu_out_of_mpc(int cardtype) { switch (cardtype) { @@ -976,7 +976,7 @@ qeth_get_mtu_out_of_mpc(int cardtype) } } -inline static int +static inline int qeth_get_mtu_outof_framesize(int framesize) { switch (framesize) { @@ -993,7 +993,7 @@ qeth_get_mtu_outof_framesize(int framesize) } } -inline static int +static inline int qeth_mtu_is_valid(struct qeth_card * card, int mtu) { switch (card->info.type) { @@ -1008,7 +1008,7 @@ qeth_mtu_is_valid(struct qeth_card * card, int mtu) } } -inline static int +static inline int qeth_get_arphdr_type(int cardtype, int linktype) { switch (cardtype) { @@ -1027,7 +1027,7 @@ qeth_get_arphdr_type(int cardtype, int linktype) } #ifdef CONFIG_QETH_PERF_STATS -inline static int +static inline int qeth_get_micros(void) { return (int) (get_clock() >> 12); diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 8f4d2999af8e..79c74f3a11f5 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -8120,20 +8120,22 @@ static struct notifier_block qeth_ip6_notifier = { #endif static int -qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) +__qeth_reboot_event_card(struct device *dev, void *data) { - - struct device *entry; struct qeth_card *card; - down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - list_for_each_entry(entry, &qeth_ccwgroup_driver.driver.devices, - driver_list) { - card = (struct qeth_card *) entry->driver_data; - qeth_clear_ip_list(card, 0, 0); - qeth_qdio_clear_card(card, 0); - } - up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); + card = (struct qeth_card *) dev->driver_data; + qeth_clear_ip_list(card, 0, 0); + qeth_qdio_clear_card(card, 0); + return 0; +} + +static int +qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) +{ + + driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL, + __qeth_reboot_event_card); return NOTIFY_DONE; } diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c index 04719196fd20..f2ccfea8fdb8 100644 --- a/drivers/s390/net/qeth_proc.c +++ b/drivers/s390/net/qeth_proc.c @@ -27,23 +27,33 @@ const char *VERSION_QETH_PROC_C = "$Revision: 1.13 $"; #define QETH_PROCFILE_NAME "qeth" static struct proc_dir_entry *qeth_procfile; +static int +qeth_procfile_seq_match(struct device *dev, void *data) +{ + return 1; +} + static void * qeth_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct list_head *next_card = NULL; - int i = 0; + struct device *dev; + loff_t nr; down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - if (*offset == 0) + nr = *offset; + if (nr == 0) return SEQ_START_TOKEN; - /* get card at pos *offset */ - list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices) - if (++i == *offset) - return next_card; + dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, + NULL, qeth_procfile_seq_match); - return NULL; + /* get card at pos *offset */ + nr = *offset; + while (nr-- > 1 && dev) + dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, + NULL, qeth_procfile_seq_match); + return (void *) dev; } static void @@ -55,23 +65,21 @@ qeth_procfile_seq_stop(struct seq_file *s, void* it) static void * qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { - struct list_head *next_card = NULL; - struct list_head *current_card; + struct device *prev, *next; if (it == SEQ_START_TOKEN) { - next_card = qeth_ccwgroup_driver.driver.devices.next; - if (next_card->next == next_card) /* list empty */ - return NULL; - (*offset)++; - } else { - current_card = (struct list_head *)it; - if (current_card->next == &qeth_ccwgroup_driver.driver.devices) - return NULL; /* end of list reached */ - next_card = current_card->next; - (*offset)++; + next = driver_find_device(&qeth_ccwgroup_driver.driver, + NULL, NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } - - return next_card; + prev = (struct device *) it; + next = driver_find_device(&qeth_ccwgroup_driver.driver, + prev, NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } static inline const char * @@ -126,7 +134,7 @@ qeth_procfile_seq_show(struct seq_file *s, void *it) "-------------- ---- ------ ---------- ---- " "---- ----- -----\n"); } else { - device = list_entry(it, struct device, driver_list); + device = (struct device *) it; card = device->driver_data; seq_printf(s, "%s/%s/%s x%02X %-10s %-14s %-4i ", CARD_RDEV_ID(card), @@ -180,17 +188,20 @@ static struct proc_dir_entry *qeth_perf_procfile; static void * qeth_perf_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct list_head *next_card = NULL; - int i = 0; + struct device *dev = NULL; + int nr; down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); /* get card at pos *offset */ - list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){ - if (i == *offset) - return next_card; - i++; - } - return NULL; + dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL, + qeth_procfile_seq_match); + + /* get card at pos *offset */ + nr = *offset; + while (nr-- > 1 && dev) + dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, + NULL, qeth_procfile_seq_match); + return (void *) dev; } static void @@ -202,12 +213,14 @@ qeth_perf_procfile_seq_stop(struct seq_file *s, void* it) static void * qeth_perf_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { - struct list_head *current_card = (struct list_head *)it; + struct device *prev, *next; - if (current_card->next == &qeth_ccwgroup_driver.driver.devices) - return NULL; /* end of list reached */ - (*offset)++; - return current_card->next; + prev = (struct device *) it; + next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, + NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } static int @@ -216,7 +229,7 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it) struct device *device; struct qeth_card *card; - device = list_entry(it, struct device, driver_list); + device = (struct device *) it; card = device->driver_data; seq_printf(s, "For card with devnos %s/%s/%s (%s):\n", CARD_RDEV_ID(card), @@ -318,8 +331,8 @@ static struct proc_dir_entry *qeth_ipato_procfile; static void * qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct list_head *next_card = NULL; - int i = 0; + struct device *dev; + loff_t nr; down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); /* TODO: finish this */ @@ -328,13 +341,16 @@ qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset) * output driver settings then; * else output setting for respective card */ + + dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL, + qeth_procfile_seq_match); + /* get card at pos *offset */ - list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){ - if (i == *offset) - return next_card; - i++; - } - return NULL; + nr = *offset; + while (nr-- > 1 && dev) + dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, + NULL, qeth_procfile_seq_match); + return (void *) dev; } static void @@ -346,18 +362,14 @@ qeth_ipato_procfile_seq_stop(struct seq_file *s, void* it) static void * qeth_ipato_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { - struct list_head *current_card = (struct list_head *)it; + struct device *prev, *next; - /* TODO: finish this */ - /* - * maybe SEQ_SATRT_TOKEN can be returned for offset 0 - * output driver settings then; - * else output setting for respective card - */ - if (current_card->next == &qeth_ccwgroup_driver.driver.devices) - return NULL; /* end of list reached */ - (*offset)++; - return current_card->next; + prev = (struct device *) it; + next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, + NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } static int @@ -372,7 +384,7 @@ qeth_ipato_procfile_seq_show(struct seq_file *s, void *it) * output driver settings then; * else output setting for respective card */ - device = list_entry(it, struct device, driver_list); + device = (struct device *) it; card = device->driver_data; return 0; |