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rapidio: add Port-Write handling for EM

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Add RapidIO Port-Write message handling in the context of Error
   Management Extensions Specification Rev.1.3.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Tested-by: Thomas Moll <thomas.moll@sysgo.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexandre Bounine
2010-05-26 14:43:59 -07:00
committed by Linus Torvalds
parent 818a04a0bb
commit e5cabeb3d6
10 changed files with 776 additions and 41 deletions
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30
drivers/rapidio/rio.h
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@@ -18,6 +18,10 @@
extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
u8 hopcount, int ftr);
extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
u16 destid, u8 hopcount);
extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
u8 hopcount, u32 from);
extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
extern int rio_enum_mport(struct rio_mport *mport);
extern int rio_disc_mport(struct rio_mport *mport);
@@ -29,6 +33,7 @@ extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
u8 *route_port);
extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
u8 hopcount, u16 table);
extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
/* Structures internal to the RIO core code */
extern struct device_attribute rio_dev_attrs[];
@@ -61,3 +66,28 @@ extern struct rio_route_ops __end_rio_route_ops[];
#define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
#define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
/*
* RapidIO Error Management
*/
extern struct rio_em_ops __start_rio_em_ops[];
extern struct rio_em_ops __end_rio_em_ops[];
/* Helpers internal to the RIO core code */
#define DECLARE_RIO_EM_SECTION(section, name, vid, did, init_hook, em_hook) \
static const struct rio_em_ops __rio_em_##name __used \
__section(section) = { vid, did, init_hook, em_hook };
/**
* DECLARE_RIO_EM_OPS - Registers switch EM operations
* @vid: RIO vendor ID
* @did: RIO device ID
* @init_hook: Callback that initializes device specific EM
* @em_hook: Callback that handles device specific EM
*
* A &struct rio_em_ops is initialized with the ops and placed into a
* RIO-specific kernel section.
*/
#define DECLARE_RIO_EM_OPS(vid, did, init_hook, em_hook) \
DECLARE_RIO_EM_SECTION(.rio_em_ops, vid##did, \
vid, did, init_hook, em_hook)