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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2017-05-15 16:49:07 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-06-12 17:26:01 +0300 |
| commit | 36f6237ebf4dfdf62813540e962d53584ba8b271 (patch) | |
| tree | fad190c077a68c3724cdeda0cae9e7604066ee98 /drivers/s390/cio/device.c | |
| parent | ead1dec8ed0497c4a3f7fc36135899e5f26563ab (diff) | |
| download | linux-36f6237ebf4dfdf62813540e962d53584ba8b271.tar.xz | |
s390/cio: introduce io_subchannel_type
The sysfs attributes implemented by the vfio_ccw driver are also implemented by
the io_subchannel driver. Move these into a device_type which is set by the
css bus.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device.c')
| -rw-r--r-- | drivers/s390/cio/device.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index b8006ea9099c..7be01a58b44f 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -208,44 +208,6 @@ int __init io_subchannel_init(void) /************************ device handling **************************/ -/* - * A ccw_device has some interfaces in sysfs in addition to the - * standard ones. - * The following entries are designed to export the information which - * resided in 2.4 in /proc/subchannels. Subchannel and device number - * are obvious, so they don't have an entry :) - * TODO: Split chpids and pimpampom up? Where is "in use" in the tree? - */ -static ssize_t -chpids_show (struct device * dev, struct device_attribute *attr, char * buf) -{ - struct subchannel *sch = to_subchannel(dev); - struct chsc_ssd_info *ssd = &sch->ssd_info; - ssize_t ret = 0; - int chp; - int mask; - - for (chp = 0; chp < 8; chp++) { - mask = 0x80 >> chp; - if (ssd->path_mask & mask) - ret += sprintf(buf + ret, "%02x ", ssd->chpid[chp].id); - else - ret += sprintf(buf + ret, "00 "); - } - ret += sprintf (buf+ret, "\n"); - return min((ssize_t)PAGE_SIZE, ret); -} - -static ssize_t -pimpampom_show (struct device * dev, struct device_attribute *attr, char * buf) -{ - struct subchannel *sch = to_subchannel(dev); - struct pmcw *pmcw = &sch->schib.pmcw; - - return sprintf (buf, "%02x %02x %02x\n", - pmcw->pim, pmcw->pam, pmcw->pom); -} - static ssize_t devtype_show (struct device *dev, struct device_attribute *attr, char *buf) { @@ -636,8 +598,6 @@ static ssize_t vpm_show(struct device *dev, struct device_attribute *attr, return sprintf(buf, "%02x\n", sch->vpm); } -static DEVICE_ATTR(chpids, 0444, chpids_show, NULL); -static DEVICE_ATTR(pimpampom, 0444, pimpampom_show, NULL); static DEVICE_ATTR(devtype, 0444, devtype_show, NULL); static DEVICE_ATTR(cutype, 0444, cutype_show, NULL); static DEVICE_ATTR(modalias, 0444, modalias_show, NULL); @@ -647,8 +607,6 @@ static DEVICE_ATTR(logging, 0200, NULL, initiate_logging); static DEVICE_ATTR(vpm, 0444, vpm_show, NULL); static struct attribute *io_subchannel_attrs[] = { - &dev_attr_chpids.attr, - &dev_attr_pimpampom.attr, &dev_attr_logging.attr, &dev_attr_vpm.attr, NULL, |