diff options
Diffstat (limited to 'Documentation/s390')
-rw-r--r-- | Documentation/s390/CommonIO | 6 | ||||
-rw-r--r-- | Documentation/s390/driver-model.txt | 4 | ||||
-rw-r--r-- | Documentation/s390/kvm.txt | 2 |
3 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index 339207d11d95..d378cba66456 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO | |||
@@ -87,6 +87,12 @@ Command line parameters | |||
87 | compatibility, by the device number in hexadecimal (0xabcd or abcd). Device | 87 | compatibility, by the device number in hexadecimal (0xabcd or abcd). Device |
88 | numbers given as 0xabcd will be interpreted as 0.0.abcd. | 88 | numbers given as 0xabcd will be interpreted as 0.0.abcd. |
89 | 89 | ||
90 | * /proc/cio_settle | ||
91 | |||
92 | A write request to this file is blocked until all queued cio actions are | ||
93 | handled. This will allow userspace to wait for pending work affecting | ||
94 | device availability after changing cio_ignore or the hardware configuration. | ||
95 | |||
90 | * For some of the information present in the /proc filesystem in 2.4 (namely, | 96 | * For some of the information present in the /proc filesystem in 2.4 (namely, |
91 | /proc/subchannels and /proc/chpids), see driver-model.txt. | 97 | /proc/subchannels and /proc/chpids), see driver-model.txt. |
92 | Information formerly in /proc/irq_count is now in /proc/interrupts. | 98 | Information formerly in /proc/irq_count is now in /proc/interrupts. |
diff --git a/Documentation/s390/driver-model.txt b/Documentation/s390/driver-model.txt index bde473df748d..ed265cf54cde 100644 --- a/Documentation/s390/driver-model.txt +++ b/Documentation/s390/driver-model.txt | |||
@@ -223,8 +223,8 @@ touched by the driver - it should use the ccwgroup device's driver_data for its | |||
223 | private data. | 223 | private data. |
224 | 224 | ||
225 | To implement a ccwgroup driver, please refer to include/asm/ccwgroup.h. Keep in | 225 | To implement a ccwgroup driver, please refer to include/asm/ccwgroup.h. Keep in |
226 | mind that most drivers will need to implement both a ccwgroup and a ccw driver | 226 | mind that most drivers will need to implement both a ccwgroup and a ccw |
227 | (unless you have a meta ccw driver, like cu3088 for lcs and ctc). | 227 | driver. |
228 | 228 | ||
229 | 229 | ||
230 | 2. Channel paths | 230 | 2. Channel paths |
diff --git a/Documentation/s390/kvm.txt b/Documentation/s390/kvm.txt index 6f5ceb0f09fc..85f3280d7ef6 100644 --- a/Documentation/s390/kvm.txt +++ b/Documentation/s390/kvm.txt | |||
@@ -102,7 +102,7 @@ args: unsigned long | |||
102 | see also: include/linux/kvm.h | 102 | see also: include/linux/kvm.h |
103 | This ioctl stores the state of the cpu at the guest real address given as | 103 | This ioctl stores the state of the cpu at the guest real address given as |
104 | argument, unless one of the following values defined in include/linux/kvm.h | 104 | argument, unless one of the following values defined in include/linux/kvm.h |
105 | is given as arguement: | 105 | is given as argument: |
106 | KVM_S390_STORE_STATUS_NOADDR - the CPU stores its status to the save area in | 106 | KVM_S390_STORE_STATUS_NOADDR - the CPU stores its status to the save area in |
107 | absolute lowcore as defined by the principles of operation | 107 | absolute lowcore as defined by the principles of operation |
108 | KVM_S390_STORE_STATUS_PREFIXED - the CPU stores its status to the save area in | 108 | KVM_S390_STORE_STATUS_PREFIXED - the CPU stores its status to the save area in |