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[RAPIDIO] Auto-probe the RapidIO system size

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The RapidIO system size will auto probe in RIO setup.  The route table
and rionet_active in rionet.c are changed to be allocated dynamically
according to the size of the system.

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>
This commit is contained in:
Zhang Wei
2008-04-18 13:33:42 -07:00
committed by Paul Mackerras
parent cc2bb6968a
commit e042323607
8 changed files with 71 additions and 42 deletions
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14
include/linux/rio.h
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@@ -23,7 +23,6 @@
#include <linux/device.h>
#include <linux/rio_regs.h>
#define RIO_ANY_DESTID 0xff
#define RIO_NO_HOPCOUNT -1
#define RIO_INVALID_DESTID 0xffff
@@ -39,11 +38,8 @@
entry is invalid (no route
exists for the device ID) */
#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
#define RIO_MAX_ROUTE_ENTRIES (1 << 8)
#else
#define RIO_MAX_ROUTE_ENTRIES (1 << 16)
#endif
#define RIO_MAX_ROUTE_ENTRIES(size) (size ? (1 << 16) : (1 << 8))
#define RIO_ANY_DESTID(size) (size ? 0xffff : 0xff)
#define RIO_MAX_MBOX 4
#define RIO_MAX_MSG_SIZE 0x1000
@@ -178,6 +174,10 @@ struct rio_mport {
unsigned char id; /* port ID, unique among all ports */
unsigned char index; /* port index, unique among all port
interfaces of the same type */
unsigned int sys_size; /* RapidIO common transport system size.
* 0 - Small size. 256 devices.
* 1 - Large size, 65536 devices.
*/
unsigned char name[40];
void *priv; /* Master port private data */
};
@@ -213,7 +213,7 @@ struct rio_switch {
u16 switchid;
u16 hopcount;
u16 destid;
u8 route_table[RIO_MAX_ROUTE_ENTRIES];
u8 *route_table;
int (*add_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,
u16 table, u16 route_destid, u8 route_port);
int (*get_entry) (struct rio_mport * mport, u16 destid, u8 hopcount,