diff options
Diffstat (limited to 'drivers/s390')
-rw-r--r-- | drivers/s390/block/dasd_eckd.c | 4 | ||||
-rw-r--r-- | drivers/s390/char/keyboard.c | 15 | ||||
-rw-r--r-- | drivers/s390/char/sclp_con.c | 3 | ||||
-rw-r--r-- | drivers/s390/char/sclp_config.c | 2 | ||||
-rw-r--r-- | drivers/s390/char/zcore.c | 2 | ||||
-rw-r--r-- | drivers/s390/cio/chp.c | 22 | ||||
-rw-r--r-- | drivers/s390/cio/chp.h | 2 | ||||
-rw-r--r-- | drivers/s390/cio/chsc.c | 25 | ||||
-rw-r--r-- | drivers/s390/cio/chsc.h | 5 | ||||
-rw-r--r-- | drivers/s390/cio/chsc_sch.c | 2 | ||||
-rw-r--r-- | drivers/s390/cio/cmf.c | 44 | ||||
-rw-r--r-- | drivers/s390/cio/device_ops.c | 22 | ||||
-rw-r--r-- | drivers/s390/cio/idset.h | 2 | ||||
-rw-r--r-- | drivers/s390/cio/ioasm.c | 91 | ||||
-rw-r--r-- | drivers/s390/crypto/ap_bus.c | 77 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 1 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 1 |
17 files changed, 211 insertions, 109 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 42b34cd1f002..fd2eff440098 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -228,7 +228,7 @@ check_XRC (struct ccw1 *de_ccw, data->ga_extended |= 0x08; /* switch on 'Time Stamp Valid' */ data->ga_extended |= 0x02; /* switch on 'Extended Parameter' */ - rc = get_sync_clock(&data->ep_sys_time); + rc = get_phys_clock(&data->ep_sys_time); /* Ignore return code if sync clock is switched off. */ if (rc == -EOPNOTSUPP || rc == -EACCES) rc = 0; @@ -339,7 +339,7 @@ static int check_XRC_on_prefix(struct PFX_eckd_data *pfxdata, pfxdata->define_extent.ga_extended |= 0x02; /* 'Extended Parameter' */ pfxdata->validity.time_stamp = 1; /* 'Time Stamp Valid' */ - rc = get_sync_clock(&pfxdata->define_extent.ep_sys_time); + rc = get_phys_clock(&pfxdata->define_extent.ep_sys_time); /* Ignore return code if sync clock is switched off. */ if (rc == -EOPNOTSUPP || rc == -EACCES) rc = 0; diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c index ef04a9f7a704..7b9c50aa4cc9 100644 --- a/drivers/s390/char/keyboard.c +++ b/drivers/s390/char/keyboard.c @@ -438,18 +438,9 @@ do_kdgkb_ioctl(struct kbd_data *kbd, struct kbsentry __user *u_kbs, return -EFAULT; if (len > sizeof(u_kbs->kb_string)) return -EINVAL; - p = kmalloc(len, GFP_KERNEL); - if (!p) - return -ENOMEM; - if (copy_from_user(p, u_kbs->kb_string, len)) { - kfree(p); - return -EFAULT; - } - /* - * Make sure the string is terminated by 0. User could have - * modified it between us running strnlen_user() and copying it. - */ - p[len - 1] = 0; + p = memdup_user_nul(u_kbs->kb_string, len); + if (IS_ERR(p)) + return PTR_ERR(p); kfree(kbd->func_table[kb_func]); kbd->func_table[kb_func] = p; break; diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c index 5880def98fc1..6037bc87e767 100644 --- a/drivers/s390/char/sclp_con.c +++ b/drivers/s390/char/sclp_con.c @@ -319,7 +319,8 @@ sclp_console_init(void) int i; int rc; - if (!CONSOLE_IS_SCLP) + /* SCLP consoles are handled together */ + if (!(CONSOLE_IS_SCLP || CONSOLE_IS_VT220)) return 0; rc = sclp_rw_init(); if (rc) diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 2ced50ccca63..1406fb688a26 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -47,7 +47,7 @@ static void sclp_cpu_capability_notify(struct work_struct *work) int cpu; struct device *dev; - s390_adjust_jiffies(); + s390_update_cpu_mhz(); pr_info("CPU capability may have changed\n"); get_online_cpus(); for_each_online_cpu(cpu) { diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 5043ecfa1fbc..16992e2a40ad 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -185,7 +185,7 @@ static ssize_t zcore_reipl_write(struct file *filp, const char __user *buf, { if (ipl_block) { diag308(DIAG308_SET, ipl_block); - diag308(DIAG308_IPL, NULL); + diag308(DIAG308_LOAD_CLEAR, NULL); } return count; } diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index 50597f9522fe..e96aced58627 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -47,8 +47,6 @@ static DEFINE_MUTEX(info_lock); /* Time after which channel-path status may be outdated. */ static unsigned long chp_info_expires; -/* Workqueue to perform pending configure tasks. */ -static struct workqueue_struct *chp_wq; static struct work_struct cfg_work; /* Wait queue for configure completion events. */ @@ -428,11 +426,14 @@ int chp_update_desc(struct channel_path *chp) if (rc) return rc; - rc = chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1); - if (rc) - return rc; + /* + * Fetching the following data is optional. Not all machines or + * hypervisors implement the required chsc commands. + */ + chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1); + chsc_get_channel_measurement_chars(chp); - return chsc_get_channel_measurement_chars(chp); + return 0; } /** @@ -714,7 +715,7 @@ static void cfg_func(struct work_struct *work) wake_up_interruptible(&cfg_wait_queue); return; } - queue_work(chp_wq, &cfg_work); + schedule_work(&cfg_work); } /** @@ -732,7 +733,7 @@ void chp_cfg_schedule(struct chp_id chpid, int configure) cfg_set_task(chpid, configure ? cfg_configure : cfg_deconfigure); cfg_busy = 1; mutex_unlock(&cfg_lock); - queue_work(chp_wq, &cfg_work); + schedule_work(&cfg_work); } /** @@ -766,11 +767,6 @@ static int __init chp_init(void) ret = crw_register_handler(CRW_RSC_CPATH, chp_process_crw); if (ret) return ret; - chp_wq = create_singlethread_workqueue("cio_chp"); - if (!chp_wq) { - crw_unregister_handler(CRW_RSC_CPATH); - return -ENOMEM; - } INIT_WORK(&cfg_work, cfg_func); init_waitqueue_head(&cfg_wait_queue); if (info_update()) diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h index af0232290dc4..bb5a68226cda 100644 --- a/drivers/s390/cio/chp.h +++ b/drivers/s390/cio/chp.h @@ -4,7 +4,7 @@ */ #ifndef S390_CHP_H -#define S390_CHP_H S390_CHP_H +#define S390_CHP_H #include <linux/types.h> #include <linux/device.h> diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index c424c0c7367e..940e725bde1e 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -907,7 +907,8 @@ int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt, struct chsc_scpd *scpd_area; int ccode, ret; - if ((rfmt == 1) && !css_general_characteristics.fcs) + if ((rfmt == 1 || rfmt == 0) && c == 1 && + !css_general_characteristics.fcs) return -EINVAL; if ((rfmt == 2) && !css_general_characteristics.cib) return -EINVAL; @@ -939,7 +940,6 @@ EXPORT_SYMBOL_GPL(chsc_determine_channel_path_desc); int chsc_determine_base_channel_path_desc(struct chp_id chpid, struct channel_path_desc *desc) { - struct chsc_response_struct *chsc_resp; struct chsc_scpd *scpd_area; unsigned long flags; int ret; @@ -949,8 +949,8 @@ int chsc_determine_base_channel_path_desc(struct chp_id chpid, ret = chsc_determine_channel_path_desc(chpid, 0, 0, 0, 0, scpd_area); if (ret) goto out; - chsc_resp = (void *)&scpd_area->response; - memcpy(desc, &chsc_resp->data, sizeof(*desc)); + + memcpy(desc, scpd_area->data, sizeof(*desc)); out: spin_unlock_irqrestore(&chsc_page_lock, flags); return ret; @@ -959,18 +959,17 @@ out: int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid, struct channel_path_desc_fmt1 *desc) { - struct chsc_response_struct *chsc_resp; struct chsc_scpd *scpd_area; unsigned long flags; int ret; spin_lock_irqsave(&chsc_page_lock, flags); scpd_area = chsc_page; - ret = chsc_determine_channel_path_desc(chpid, 0, 0, 1, 0, scpd_area); + ret = chsc_determine_channel_path_desc(chpid, 0, 1, 1, 0, scpd_area); if (ret) goto out; - chsc_resp = (void *)&scpd_area->response; - memcpy(desc, &chsc_resp->data, sizeof(*desc)); + + memcpy(desc, scpd_area->data, sizeof(*desc)); out: spin_unlock_irqrestore(&chsc_page_lock, flags); return ret; @@ -1020,7 +1019,7 @@ int chsc_get_channel_measurement_chars(struct channel_path *chp) chp->cmg = -1; if (!css_chsc_characteristics.scmc || !css_chsc_characteristics.secm) - return 0; + return -EINVAL; spin_lock_irq(&chsc_page_lock); memset(chsc_page, 0, PAGE_SIZE); @@ -1176,7 +1175,7 @@ exit: EXPORT_SYMBOL_GPL(css_general_characteristics); EXPORT_SYMBOL_GPL(css_chsc_characteristics); -int chsc_sstpc(void *page, unsigned int op, u16 ctrl) +int chsc_sstpc(void *page, unsigned int op, u16 ctrl, u64 *clock_delta) { struct { struct chsc_header request; @@ -1186,7 +1185,9 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl) unsigned int ctrl : 16; unsigned int rsvd2[5]; struct chsc_header response; - unsigned int rsvd3[7]; + unsigned int rsvd3[3]; + u64 clock_delta; + unsigned int rsvd4[2]; } __attribute__ ((packed)) *rr; int rc; @@ -1200,6 +1201,8 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl) if (rc) return -EIO; rc = (rr->response.code == 0x0001) ? 0 : -EIO; + if (clock_delta) + *clock_delta = rr->clock_delta; return rc; } diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 0de134c3a204..67c87b6e63ec 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -112,8 +112,9 @@ struct chsc_scpd { u32 last_chpid:8; u32 zeroes1; struct chsc_header response; - u8 data[PAGE_SIZE - 20]; -} __attribute__ ((packed)); + u32:32; + u8 data[0]; +} __packed; struct chsc_sda_area { struct chsc_header request; diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index b6f12c2bb114..735052ecd3e5 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -552,7 +552,7 @@ static int chsc_ioctl_info_cu(void __user *user_cd) goto out_free; } scucd_area->request.length = 0x0010; - scucd_area->request.code = 0x0028; + scucd_area->request.code = 0x0026; scucd_area->m = cd->m; scucd_area->fmt1 = cd->fmt; scucd_area->cssid = cd->cssid; diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index b2afad5a5682..268aa23afa01 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -164,6 +164,9 @@ static inline u64 time_to_avg_nsec(u32 value, u32 count) return ret; } +#define CMF_OFF 0 +#define CMF_ON 2 + /* * Activate or deactivate the channel monitor. When area is NULL, * the monitor is deactivated. The channel monitor needs to @@ -176,7 +179,7 @@ static inline void cmf_activate(void *area, unsigned int onoff) register long __gpr1 asm("1"); __gpr2 = area; - __gpr1 = onoff ? 2 : 0; + __gpr1 = onoff; /* activate channel measurement */ asm("schm" : : "d" (__gpr2), "d" (__gpr1) ); } @@ -587,7 +590,7 @@ static int alloc_cmb(struct ccw_device *cdev) /* everything ok */ memset(mem, 0, size); cmb_area.mem = mem; - cmf_activate(cmb_area.mem, 1); + cmf_activate(cmb_area.mem, CMF_ON); } } @@ -621,7 +624,7 @@ static void free_cmb(struct ccw_device *cdev) if (list_empty(&cmb_area.list)) { ssize_t size; size = sizeof(struct cmb) * cmb_area.num_channels; - cmf_activate(NULL, 0); + cmf_activate(NULL, CMF_OFF); free_pages((unsigned long)cmb_area.mem, get_order(size)); cmb_area.mem = NULL; } @@ -753,6 +756,17 @@ static void reset_cmb(struct ccw_device *cdev) cmf_generic_reset(cdev); } +static int cmf_enabled(struct ccw_device *cdev) +{ + int enabled; + + spin_lock_irq(cdev->ccwlock); + enabled = !!cdev->private->cmb; + spin_unlock_irq(cdev->ccwlock); + + return enabled; +} + static struct attribute_group cmf_attr_group; static struct cmb_operations cmbops_basic = { @@ -830,7 +844,7 @@ static int alloc_cmbe(struct ccw_device *cdev) /* activate global measurement if this is the first channel */ if (list_empty(&cmb_area.list)) - cmf_activate(NULL, 1); + cmf_activate(NULL, CMF_ON); list_add_tail(&cdev->private->cmb_list, &cmb_area.list); spin_unlock_irq(cdev->ccwlock); @@ -867,7 +881,7 @@ static void free_cmbe(struct ccw_device *cdev) /* deactivate global measurement if this is the last channel */ list_del_init(&cdev->private->cmb_list); if (list_empty(&cmb_area.list)) - cmf_activate(NULL, 0); + cmf_activate(NULL, CMF_OFF); spin_unlock_irq(cdev->ccwlock); spin_unlock(&cmb_area.lock); } @@ -1153,13 +1167,8 @@ static ssize_t cmb_enable_show(struct device *dev, char *buf) { struct ccw_device *cdev = to_ccwdev(dev); - int enabled; - spin_lock_irq(cdev->ccwlock); - enabled = !!cdev->private->cmb; - spin_unlock_irq(cdev->ccwlock); - - return sprintf(buf, "%d\n", enabled); + return sprintf(buf, "%d\n", cmf_enabled(cdev)); } static ssize_t cmb_enable_store(struct device *dev, @@ -1199,15 +1208,20 @@ int ccw_set_cmf(struct ccw_device *cdev, int enable) * @cdev: The ccw device to be enabled * * Returns %0 for success or a negative error value. - * + * Note: If this is called on a device for which channel measurement is already + * enabled a reset of the measurement data is triggered. * Context: * non-atomic */ int enable_cmf(struct ccw_device *cdev) { - int ret; + int ret = 0; device_lock(&cdev->dev); + if (cmf_enabled(cdev)) { + cmbops->reset(cdev); + goto out_unlock; + } get_device(&cdev->dev); ret = cmbops->alloc(cdev); if (ret) @@ -1226,7 +1240,7 @@ int enable_cmf(struct ccw_device *cdev) out: if (ret) put_device(&cdev->dev); - +out_unlock: device_unlock(&cdev->dev); return ret; } @@ -1321,7 +1335,7 @@ void cmf_reactivate(void) { spin_lock(&cmb_area.lock); if (!list_empty(&cmb_area.list)) - cmf_activate(cmb_area.mem, 1); + cmf_activate(cmb_area.mem, CMF_ON); spin_unlock(&cmb_area.lock); } diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index a69f702a2fcc..877d9f601e63 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -97,7 +97,7 @@ void ccw_device_clear_options(struct ccw_device *cdev, unsigned long flags) } /** - * ccw_device_is_pathgroup - determine if paths to this device are grouped + * ccw_device_is_pathgroup() - determine if paths to this device are grouped * @cdev: ccw device * * Return non-zero if there is a path group, zero otherwise. @@ -109,7 +109,7 @@ int ccw_device_is_pathgroup(struct ccw_device *cdev) EXPORT_SYMBOL(ccw_device_is_pathgroup); /** - * ccw_device_is_multipath - determine if device is operating in multipath mode + * ccw_device_is_multipath() - determine if device is operating in multipath mode * @cdev: ccw device * * Return non-zero if device is operating in multipath mode, zero otherwise. @@ -457,7 +457,7 @@ __u8 ccw_device_get_path_mask(struct ccw_device *cdev) } /** - * chp_get_chp_desc - return newly allocated channel-path descriptor + * ccw_device_get_chp_desc() - return newly allocated channel-path descriptor * @cdev: device to obtain the descriptor for * @chp_idx: index of the channel path * @@ -477,7 +477,7 @@ struct channel_path_desc *ccw_device_get_chp_desc(struct ccw_device *cdev, } /** - * ccw_device_get_id - obtain a ccw device id + * ccw_device_get_id() - obtain a ccw device id * @cdev: device to obtain the id for * @dev_id: where to fill in the values */ @@ -488,7 +488,7 @@ void ccw_device_get_id(struct ccw_device *cdev, struct ccw_dev_id *dev_id) EXPORT_SYMBOL(ccw_device_get_id); /** - * ccw_device_tm_start_key - perform start function + * ccw_device_tm_start_key() - perform start function * @cdev: ccw device on which to perform the start function * @tcw: transport-command word to be started * @intparm: user defined parameter to be passed to the interrupt handler @@ -533,7 +533,7 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw, EXPORT_SYMBOL(ccw_device_tm_start_key); /** - * ccw_device_tm_start_timeout_key - perform start function + * ccw_device_tm_start_timeout_key() - perform start function * @cdev: ccw device on which to perform the start function * @tcw: transport-command word to be started * @intparm: user defined parameter to be passed to the interrupt handler @@ -559,7 +559,7 @@ int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw, EXPORT_SYMBOL(ccw_device_tm_start_timeout_key); /** - * ccw_device_tm_start - perform start function + * ccw_device_tm_start() - perform start function * @cdev: ccw device on which to perform the start function * @tcw: transport-command word to be started * @intparm: user defined parameter to be passed to the interrupt handler @@ -577,7 +577,7 @@ int ccw_device_tm_start(struct ccw_device *cdev, struct tcw *tcw, EXPORT_SYMBOL(ccw_device_tm_start); /** - * ccw_device_tm_start_timeout - perform start function + * ccw_device_tm_start_timeout() - perform start function * @cdev: ccw device on which to perform the start function * @tcw: transport-command word to be started * @intparm: user defined parameter to be passed to the interrupt handler @@ -596,7 +596,7 @@ int ccw_device_tm_start_timeout(struct ccw_device *cdev, struct tcw *tcw, EXPORT_SYMBOL(ccw_device_tm_start_timeout); /** - * ccw_device_get_mdc - accumulate max data count + * ccw_device_get_mdc() - accumulate max data count * @cdev: ccw device for which the max data count is accumulated * @mask: mask of paths to use * @@ -642,7 +642,7 @@ int ccw_device_get_mdc(struct ccw_device *cdev, u8 mask) EXPORT_SYMBOL(ccw_device_get_mdc); /** - * ccw_device_tm_intrg - perform interrogate function + * ccw_device_tm_intrg() - perform interrogate function * @cdev: ccw device on which to perform the interrogate function * * Perform an interrogate function on the given ccw device. Return zero on @@ -664,7 +664,7 @@ int ccw_device_tm_intrg(struct ccw_device *cdev) EXPORT_SYMBOL(ccw_device_tm_intrg); /** - * ccw_device_get_schid - obtain a subchannel id + * ccw_device_get_schid() - obtain a subchannel id * @cdev: device to obtain the id for * @schid: where to fill in the values */ diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h index 22b58104683b..89a787790888 100644 --- a/drivers/s390/cio/idset.h +++ b/drivers/s390/cio/idset.h @@ -4,7 +4,7 @@ */ #ifndef S390_IDSET_H -#define S390_IDSET_H S390_IDSET_H +#define S390_IDSET_H #include <asm/schid.h> diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c index 98984818618f..8225da619014 100644 --- a/drivers/s390/cio/ioasm.c +++ b/drivers/s390/cio/ioasm.c @@ -12,7 +12,7 @@ #include "orb.h" #include "cio.h" -int stsch(struct subchannel_id schid, struct schib *addr) +static inline int __stsch(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode = -EIO; @@ -26,13 +26,21 @@ int stsch(struct subchannel_id schid, struct schib *addr) : "+d" (ccode), "=m" (*addr) : "d" (reg1), "a" (addr) : "cc"); + return ccode; +} + +int stsch(struct subchannel_id schid, struct schib *addr) +{ + int ccode; + + ccode = __stsch(schid, addr); trace_s390_cio_stsch(schid, addr, ccode); return ccode; } EXPORT_SYMBOL(stsch); -int msch(struct subchannel_id schid, struct schib *addr) +static inline int __msch(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode = -EIO; @@ -46,12 +54,20 @@ int msch(struct subchannel_id schid, struct schib *addr) : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + return ccode; +} + +int msch(struct subchannel_id schid, struct schib *addr) +{ + int ccode; + + ccode = __msch(schid, addr); trace_s390_cio_msch(schid, addr, ccode); return ccode; } -int tsch(struct subchannel_id schid, struct irb *addr) +static inline int __tsch(struct subchannel_id schid, struct irb *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode; @@ -63,12 +79,20 @@ int tsch(struct subchannel_id schid, struct irb *addr) : "=d" (ccode), "=m" (*addr) : "d" (reg1), "a" (addr) : "cc"); + return ccode; +} + +int tsch(struct subchannel_id schid, struct irb *addr) +{ + int ccode; + + ccode = __tsch(schid, addr); trace_s390_cio_tsch(schid, addr, ccode); return ccode; } -int ssch(struct subchannel_id schid, union orb *addr) +static inline int __ssch(struct subchannel_id schid, union orb *addr) { register struct subchannel_id reg1 asm("1") = schid; int ccode = -EIO; @@ -82,13 +106,21 @@ int ssch(struct subchannel_id schid, union orb *addr) : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc", "memory"); + return ccode; +} + +int ssch(struct subchannel_id schid, union orb *addr) +{ + int ccode; + + ccode = __ssch(schid, addr); trace_s390_cio_ssch(schid, addr, ccode); return ccode; } EXPORT_SYMBOL(ssch); -int csch(struct subchannel_id schid) +static inline int __csch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; @@ -100,6 +132,14 @@ int csch(struct subchannel_id schid) : "=d" (ccode) : "d" (reg1) : "cc"); + return ccode; +} + +int csch(struct subchannel_id schid) +{ + int ccode; + + ccode = __csch(schid); trace_s390_cio_csch(schid, ccode); return ccode; @@ -140,7 +180,7 @@ int chsc(void *chsc_area) } EXPORT_SYMBOL(chsc); -int rchp(struct chp_id chpid) +static inline int __rchp(struct chp_id chpid) { register struct chp_id reg1 asm ("1") = chpid; int ccode; @@ -151,12 +191,20 @@ int rchp(struct chp_id chpid) " ipm %0\n" " srl %0,28" : "=d" (ccode) : "d" (reg1) : "cc"); + return ccode; +} + +int rchp(struct chp_id chpid) +{ + int ccode; + + ccode = __rchp(chpid); trace_s390_cio_rchp(chpid, ccode); return ccode; } -int rsch(struct subchannel_id schid) +static inline int __rsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; @@ -168,12 +216,21 @@ int rsch(struct subchannel_id schid) : "=d" (ccode) : "d" (reg1) : "cc", "memory"); + + return ccode; +} + +int rsch(struct subchannel_id schid) +{ + int ccode; + + ccode = __rsch(schid); trace_s390_cio_rsch(schid, ccode); return ccode; } -int hsch(struct subchannel_id schid) +static inline int __hsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; @@ -185,12 +242,20 @@ int hsch(struct subchannel_id schid) : "=d" (ccode) : "d" (reg1) : "cc"); + return ccode; +} + +int hsch(struct subchannel_id schid) +{ + int ccode; + + ccode = __hsch(schid); trace_s390_cio_hsch(schid, ccode); return ccode; } -int xsch(struct subchannel_id schid) +static inline int __xsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; int ccode; @@ -202,6 +267,14 @@ int xsch(struct subchannel_id schid) : "=d" (ccode) : "d" (reg1) : "cc"); + return ccode; +} + +int xsch(struct subchannel_id schid) +{ + int ccode; + + ccode = __xsch(schid); trace_s390_cio_xsch(schid, ccode); return ccode; diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 327255da115a..4feb27215ab6 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -169,6 +169,19 @@ static int ap_configuration_available(void) return test_facility(12); } +static inline struct ap_queue_status +__pqap_tapq(ap_qid_t qid, unsigned long *info) +{ + register unsigned long reg0 asm ("0") = qid; + register struct ap_queue_status reg1 asm ("1"); + register unsigned long reg2 asm ("2") = 0UL; + + asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */ + : "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc"); + *info = reg2; + return reg1; +} + /** * ap_test_queue(): Test adjunct processor queue. * @qid: The AP queue number @@ -179,17 +192,15 @@ static int ap_configuration_available(void) static inline struct ap_queue_status ap_test_queue(ap_qid_t qid, unsigned long *info) { - register unsigned long reg0 asm ("0") = qid; - register struct ap_queue_status reg1 asm ("1"); - register unsigned long reg2 asm ("2") = 0UL; + struct ap_queue_status aqs; + unsigned long _info; if (test_facility(15)) - reg0 |= 1UL << 23; /* set APFT T bit*/ - asm volatile(".long 0xb2af0000" /* PQAP(TAPQ) */ - : "+d" (reg0), "=d" (reg1), "+d" (reg2) : : "cc"); + qid |= 1UL << 23; /* set APFT T bit*/ + aqs = __pqap_tapq(qid, &_info); if (info) - *info = reg2; - return reg1; + *info = _info; + return aqs; } /** @@ -237,14 +248,12 @@ ap_queue_interruption_control(ap_qid_t qid, void *ind) * * Returns 0 on success, or -EOPNOTSUPP. */ -static inline int ap_query_configuration(void) +static inline int __ap_query_configuration(void) { register unsigned long reg0 asm ("0") = 0x04000000UL; register unsigned long reg1 asm ("1") = -EINVAL; register void *reg2 asm ("2") = (void *) ap_configuration; - if (!ap_configuration) - return -EOPNOTSUPP; asm volatile( ".long 0xb2af0000\n" /* PQAP(QCI) */ "0: la %1,0\n" @@ -257,6 +266,13 @@ static inline int ap_query_configuration(void) return reg1; } +static inline int ap_query_configuration(void) +{ + if (!ap_configuration) + return -EOPNOTSUPP; + return __ap_query_configuration(); +} + /** * ap_init_configuration(): Allocate and query configuration array. */ @@ -346,6 +362,26 @@ static int ap_queue_enable_interruption(struct ap_device *ap_dev, void *ind) } } +static inline struct ap_queue_status +__nqap(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length) +{ + typedef struct { char _[length]; } msgblock; + register unsigned long reg0 asm ("0") = qid | 0x40000000UL; + register struct ap_queue_status reg1 asm ("1"); + register unsigned long reg2 asm ("2") = (unsigned long) msg; + register unsigned long reg3 asm ("3") = (unsigned long) length; + register unsigned long reg4 asm ("4") = (unsigned int) (psmid >> 32); + register unsigned long reg5 asm ("5") = psmid & 0xffffffff; + + asm volatile ( + "0: .long 0xb2ad0042\n" /* NQAP */ + " brc 2,0b" + : "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3) + : "d" (reg4), "d" (reg5), "m" (*(msgblock *) msg) + : "cc"); + return reg1; +} + /** * __ap_send(): Send message to adjunct processor queue. * @qid: The AP queue number @@ -363,24 +399,9 @@ static inline struct ap_queue_status __ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length, unsigned int special) { - typedef struct { char _[length]; } msgblock; - register unsigned long reg0 asm ("0") = qid | 0x40000000UL; - register struct ap_queue_status reg1 asm ("1"); - register unsigned long reg2 asm ("2") = (unsigned long) msg; - register unsigned long reg3 asm ("3") = (unsigned long) length; - register unsigned long reg4 asm ("4") = (unsigned int) (psmid >> 32); - register unsigned long reg5 asm ("5") = psmid & 0xffffffff; - if (special == 1) - reg0 |= 0x400000UL; - - asm volatile ( - "0: .long 0xb2ad0042\n" /* NQAP */ - " brc 2,0b" - : "+d" (reg0), "=d" (reg1), "+d" (reg2), "+d" (reg3) - : "d" (reg4), "d" (reg5), "m" (*(msgblock *) msg) - : "cc" ); - return reg1; + qid |= 0x400000UL; + return __nqap(qid, psmid, msg, length); } int ap_send(ap_qid_t qid, unsigned long long psmid, void *msg, size_t length) diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 80b1979e8d95..df036b872b05 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1051,6 +1051,7 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) qeth_l2_set_offline(cgdev); if (card->dev) { + netif_napi_del(&card->napi); unregister_netdev(card->dev); card->dev = NULL; } diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index ac544330daeb..709b52339ff9 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -3226,6 +3226,7 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) qeth_l3_set_offline(cgdev); if (card->dev) { + netif_napi_del(&card->napi); unregister_netdev(card->dev); card->dev = NULL; } |