Commits · b5176d9952357a282bd4ef71edb8a20a4ea59ade · misc / zio

Nov 20, 2011

Documentation: updated to match code and partially upgraded. · b5176d99
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
```
b5176d99
cset_register: ssize cannot be zero · 860eb44b
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
```
860eb44b
zio-sys and zio-cdev: comment cleanup · 1f42f63e
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
```
1f42f63e

__find_by_name(): change returned value to zio_object_list_item · 862fd24b

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


To be more suitable for different situation, the returned value is
changed from zio_obj_head to zio_object_list_item, which contains the head
and other useful information.

zbuf_find_by_name() and trig_find_by_name() are modified too,
according to __find_by_name()

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>

862fd24b

zio-buf.c and zio-dev.c merged in zio-cdev.c · f2db1135
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
```
f2db1135

Nov 15, 2011

trig-timer: output support · 62d46235

Alessandro Rubini authored 13 years ago


Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>

62d46235

buf-kmalloc: support output too · 74b54198

Alessandro Rubini authored 13 years ago


Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>

74b54198

zio_fire_trigger: added output support, splitting in 2 funcs · d1c80d8c
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
d1c80d8c

zio-buf (generic fops): added write, some renaming · 0dd92c73

Alessandro Rubini authored 13 years ago


Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>

0dd92c73

core: ZIO_DIR is a global flag, propagated from cset · 5bd51875

Alessandro Rubini authored 13 years ago


A trigger instance has flags too, and the create functions
set the flag in bot bi and ti. And channels inherit from cset.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>

5bd51875

zio-buffer.h: need linux/slab.h · 2c631453
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
```
2c631453

Makefile: allow EXTRA_CFLAGS use · efe606ba

Alessandro Rubini authored 13 years ago


The flags were incorrectly passed to make, now they are not.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>

efe606ba

zio core: renamed global status structure, "zstat" is now a pointer · 75a26e94
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
75a26e94
core files: cleanup: added some static and const qualifiers · ba375451
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
ba375451
zio-zero.c: cleanup: added some static and const qualifiers · cd6222fc
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
cd6222fc
zio-buf-kmalloc: cleanup: added some static and const qualifiers · 402e41ad
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
402e41ad
zio-trig-timer: cleanup: added some static and const qualifiers · f0b194cc
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
f0b194cc
renamed two global funcs, now zio_{create|destroy}_chan_devices() · 882c9938
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>
```
882c9938

varous fixes to please picky checkpatch.pl · 074e9084

Alessandro Rubini authored 13 years ago


Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Federico Vaga <federico.vaga@gmail.com>

074e9084

Nov 13, 2011

__zio_register_cdev: unregister class on error · b39cbc6c
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
```
b39cbc6c

zio_register_dev: d_op pointer must be valid · 7cd7caae

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


Also removes a needless check on function arguments.

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>

7cd7caae

bugfix: device unregistering · 478c268b

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


The cset being destroyed was not removed from cset list.
Zio object list item was not freed after its removal.

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>

478c268b

use zio_sys_operations, remove those methods from device_operations · 5edcdec4

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


zio_sys_operations are in several structures, so remove the
info_get and conf_set methods from device operations.

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>

5edcdec4

Nov 12, 2011

Makefile: fix: we lack a "docs" directory here · 46bb6b03
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
```
46bb6b03
trivial: review comment strings · 76b04e7d
Federico Vaga authored 13 years ago and Alessandro Rubini committed 13 years ago
```
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
```
76b04e7d

zattr_create_group: report error if ext_attr has holes · 095fd7c8

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


When declared, extended attributes can't be NULL inside the
extended attributes array

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubni <rubini@gnudd.com>

095fd7c8

zio_fire_trigger: fixed memory leakage and error message · 0845d6ca

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


We didn't free the input blocks if dev->input_block() or
buf->store_block() fails.

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>

0845d6ca

Nov 04, 2011

README: some instructions about how to use it. · e10ff651

Alessandro Rubini authored 13 years ago


Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off by: Federico Vaga <federico.vaga@gmail.com>

zio-beta2

e10ff651

Makefile to compile it all · ed36ea86

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


From this commit onwards the whole thing compiles and works (from
2.6.34 onwards). We chose to save you from the past history of
internal zio development.

Signed-off by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

ed36ea86

zio-dump: a user-space utility to read ZIO control and data · 01e6e6e9

Alessandro Rubini authored 13 years ago


The tools shows how to use control and data, and can work with any
ZIO input channel.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off by: Federico Vaga <federico.vaga@gmail.com>

01e6e6e9

drivers/zio-zero: a real driver feeding software-generated data · c5b53b48

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


This is a working driver, with one cset and three channels that return
8-bit data. It is the demonstration that the ZIO abstraction is a good
way to avoid complexity in the low-level drivers.

Signed-off by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

c5b53b48

triggers/zio-trig-timer: a generic trigger, currently the default · bd44b9de

Alessandro Rubini authored 13 years ago


This trivial trigger simply arms a timer to run zio_fire_trigger()
for a cset with a specified rate.  It is currently the default
trigger, until we have "app-request".

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off by: Federico Vaga <federico.vaga@gmail.com>

bd44b9de

zio-buf.c: generic file operations for buffers · d8dc13ba

Alessandro Rubini authored 13 years ago


The file exports a few functions that can be used by specific buffers
to handle read, poll, release. Write is not supported at this time.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off by: Federico Vaga <federico.vaga@gmail.com>

d8dc13ba

buffes/zio-buf-kmalloc: the default buffer (only input by now) · 6bed2484

Alessandro Rubini authored 13 years ago


This is the default buffer: it manages a list of data blocks
(the lenght is fixed at 16 blocks by now) for any device and
any trigger.  The actual file operations in this case are
generic, and live in zio-buf.c (zio-core.ko).

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off by: Federico Vaga <federico.vaga@gmail.com>

6bed2484

zio-sys.c and zio-dev.c: major core files · 8cc98907

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


These files are the heart of zio-core. The handle all issues of sysfs
and char devices (excluding the file operations.

Signed-off by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

8cc98907

zio-buffer.h and zio-trigger.h: new files · be65eedb

Alessandro Rubini authored 13 years ago


These two headers devine the structures and operations for buffers
and trigger. Additionally, zio-buffer.h defines the control structure
and the data block.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off by: Federico Vaga <federico.vaga@gmail.com>

be65eedb

include/linux/zio.h: main header for zio · 49029be1

Federico Vaga authored 13 years ago and

Alessandro Rubini committed 13 years ago


This includes all the sysfs definitions and structures, together with
the main data structures for devices, csets and channels.

Signed-off by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

49029be1

Oct 12, 2011

Documentation/zio: added modules.txt, to show what's there · 28a862c2
Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
```
28a862c2

Documentation/zio/: new folder · 50af44a6

Alessandro Rubini authored 13 years ago


These files document how ZIO works. They are still subject
to modification while we are writing code, and some information,
for example how devices work, are still missing.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Federico Vaga <federico.vaga@gmail.com>

50af44a6

Oct 11, 2011
- GPLv2 license file · 99e459a4
  Alessandro Rubini authored 13 years ago
```
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
```
  99e459a4