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authorJeremy Kerr <jk@ozlabs.org>2017-06-06 16:08:45 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-09 11:52:08 +0200
commit4efe37f4c4efcb73562e4634cb6c262b08ab6451 (patch)
tree3e3eb4fb488d4e217ee86822285ca15970557358 /include/linux/fsi.h
parentf7ade2a603cfd205a6d7afb9d96ac7975f666dd6 (diff)
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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.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/fsi.h b/include/linux/fsi.h
index efa55ba..66bce48 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;
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