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| author | Jeremy Kerr <jk@ozlabs.org> | 2017-06-06 16:08:45 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-09 11:52:08 +0200 |
| commit | 4efe37f4c4efcb73562e4634cb6c262b08ab6451 (patch) | |
| tree | 3e3eb4fb488d4e217ee86822285ca15970557358 /include/linux/fsi.h | |
| parent | f7ade2a603cfd205a6d7afb9d96ac7975f666dd6 (diff) | |
| download | lwn-4efe37f4c4efcb73562e4634cb6c262b08ab6451.tar.gz lwn-4efe37f4c4efcb73562e4634cb6c262b08ab6451.zip | |
drivers/fsi: Add device read/write/peek API
This change introduces the fsi device API: simple read, write and peek
accessors for the devices' address spaces.
Includes contributions from Christopher Bostic
<cbostic@linux.vnet.ibm.com> and Edward A. James <eajames@us.ibm.com>.
Signed-off-by: Edward A. James <eajames@us.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/fsi.h')
| -rw-r--r-- | include/linux/fsi.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/fsi.h b/include/linux/fsi.h index efa55ba6cb39..66bce4851ff6 100644 --- a/include/linux/fsi.h +++ b/include/linux/fsi.h @@ -27,6 +27,12 @@ struct fsi_device { uint32_t size; }; +extern int fsi_device_read(struct fsi_device *dev, uint32_t addr, + void *val, size_t size); +extern int fsi_device_write(struct fsi_device *dev, uint32_t addr, + const void *val, size_t size); +extern int fsi_device_peek(struct fsi_device *dev, void *val); + struct fsi_device_id { u8 engine_type; u8 version; @@ -40,7 +46,6 @@ struct fsi_device_id { #define FSI_DEVICE_VERSIONED(t, v) \ .engine_type = (t), .version = (v), - struct fsi_driver { struct device_driver drv; const struct fsi_device_id *id_table; |