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authorZhang Wei <wei.zhang@freescale.com>2008-04-18 13:33:41 -0700
committerPaul Mackerras <paulus@samba.org>2008-04-29 19:40:28 +1000
commitad1e9380b17addf112f89ce5a57d4d0bee129b7a (patch)
tree41bb74c91533f0a2f4a7bfbfb1036ba250cbf50b /include/linux/rio.h
parent5a7b60ed8892756b137496b629f2e7c689fe6d8d (diff)
downloadlwn-ad1e9380b17addf112f89ce5a57d4d0bee129b7a.tar.gz
lwn-ad1e9380b17addf112f89ce5a57d4d0bee129b7a.zip
[RAPIDIO] Add RapidIO multi mport support
The original RapidIO driver suppose there is only one mpc85xx RIO controller in system. So, some data structures are defined as mpc85xx_rio global, such as 'regs_win', 'dbell_ring', 'msg_tx_ring'. Now, I changed them to mport's private members. And you can define multi RIO OF-nodes in dts file for multi RapidIO controller in one processor, such as PCI/PCI-Ex host controllers in Freescale's silicon. And the mport operation function declaration should be changed to know which RapidIO controller is target. Signed-off-by: Zhang Wei <wei.zhang@freescale.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/linux/rio.h')
-rw-r--r--include/linux/rio.h18
1 files changed, 11 insertions, 7 deletions
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 68e3f6853fa6..258c453f43f6 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -163,6 +163,7 @@ struct rio_dbell {
* @id: Port ID, unique among all ports
* @index: Port index, unique among all port interfaces of the same type
* @name: Port name string
+ * @priv: Master port private data
*/
struct rio_mport {
struct list_head dbells; /* list of doorbell events */
@@ -178,6 +179,7 @@ struct rio_mport {
unsigned char index; /* port index, unique among all port
interfaces of the same type */
unsigned char name[40];
+ void *priv; /* Master port private data */
};
/**
@@ -229,13 +231,15 @@ struct rio_switch {
* @dsend: Callback to send a doorbell message.
*/
struct rio_ops {
- int (*lcread) (int index, u32 offset, int len, u32 * data);
- int (*lcwrite) (int index, u32 offset, int len, u32 data);
- int (*cread) (int index, u16 destid, u8 hopcount, u32 offset, int len,
- u32 * data);
- int (*cwrite) (int index, u16 destid, u8 hopcount, u32 offset, int len,
- u32 data);
- int (*dsend) (int index, u16 destid, u16 data);
+ int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len,
+ u32 *data);
+ int (*lcwrite) (struct rio_mport *mport, int index, u32 offset, int len,
+ u32 data);
+ int (*cread) (struct rio_mport *mport, int index, u16 destid,
+ u8 hopcount, u32 offset, int len, u32 *data);
+ int (*cwrite) (struct rio_mport *mport, int index, u16 destid,
+ u8 hopcount, u32 offset, int len, u32 data);
+ int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data);
};
#define RIO_RESOURCE_MEM 0x00000100