diff options
Diffstat (limited to 'include/linux/rio.h')
| -rw-r--r-- | include/linux/rio.h | 82 |
1 files changed, 39 insertions, 43 deletions
diff --git a/include/linux/rio.h b/include/linux/rio.h index 18e099342e6f..b71d5738e683 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -20,6 +20,7 @@ #include <linux/errno.h> #include <linux/device.h> #include <linux/rio_regs.h> +#include <linux/mod_devicetable.h> #ifdef CONFIG_RAPIDIO_DMA_ENGINE #include <linux/dmaengine.h> #endif @@ -91,9 +92,24 @@ union rio_pw_msg; /** * struct rio_switch - RIO switch info * @node: Node in global list of switches - * @switchid: Switch ID that is unique across a network * @route_table: Copy of switch routing table * @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0 + * @ops: pointer to switch-specific operations + * @lock: lock to serialize operations updates + * @nextdev: Array of per-port pointers to the next attached device + */ +struct rio_switch { + struct list_head node; + u8 *route_table; + u32 port_ok; + struct rio_switch_ops *ops; + spinlock_t lock; + struct rio_dev *nextdev[0]; +}; + +/** + * struct rio_switch_ops - Per-switch operations + * @owner: The module owner of this structure * @add_entry: Callback for switch-specific route add function * @get_entry: Callback for switch-specific route get function * @clr_table: Callback for switch-specific clear route table function @@ -101,14 +117,12 @@ union rio_pw_msg; * @get_domain: Callback for switch-specific domain get function * @em_init: Callback for switch-specific error management init function * @em_handle: Callback for switch-specific error management handler function - * @sw_sysfs: Callback that initializes switch-specific sysfs attributes - * @nextdev: Array of per-port pointers to the next attached device + * + * Defines the operations that are necessary to initialize/control + * a particular RIO switch device. */ -struct rio_switch { - struct list_head node; - u16 switchid; - u8 *route_table; - u32 port_ok; +struct rio_switch_ops { + struct module *owner; 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, @@ -121,8 +135,6 @@ struct rio_switch { u8 *sw_domain); int (*em_init) (struct rio_dev *dev); int (*em_handle) (struct rio_dev *dev, u8 swport); - int (*sw_sysfs) (struct rio_dev *dev, int create); - struct rio_dev *nextdev[0]; }; /** @@ -130,6 +142,7 @@ struct rio_switch { * @global_list: Node in list of all RIO devices * @net_list: Node in list of RIO devices in a network * @net: Network this device is a part of + * @do_enum: Enumeration flag * @did: Device ID * @vid: Vendor ID * @device_rev: Device revision @@ -158,6 +171,7 @@ struct rio_dev { struct list_head global_list; /* node in list of all RIO devices */ struct list_head net_list; /* node in per net list */ struct rio_net *net; /* RIO net this device resides in */ + bool do_enum; u16 did; u16 vid; u32 device_rev; @@ -297,10 +311,6 @@ struct rio_net { struct rio_id_table destid_table; /* destID allocation table */ }; -/* Definitions used by switch sysfs initialization callback */ -#define RIO_SW_SYSFS_CREATE 1 /* Create switch attributes */ -#define RIO_SW_SYSFS_REMOVE 0 /* Remove switch attributes */ - /* Low-level architecture-dependent routines */ /** @@ -385,35 +395,6 @@ struct rio_driver { #define to_rio_driver(drv) container_of(drv,struct rio_driver, driver) -/** - * struct rio_device_id - RIO device identifier - * @did: RIO device ID - * @vid: RIO vendor ID - * @asm_did: RIO assembly device ID - * @asm_vid: RIO assembly vendor ID - * - * Identifies a RIO device based on both the device/vendor IDs and - * the assembly device/vendor IDs. - */ -struct rio_device_id { - u16 did, vid; - u16 asm_did, asm_vid; -}; - -/** - * struct rio_switch_ops - Per-switch operations - * @vid: RIO vendor ID - * @did: RIO device ID - * @init_hook: Callback that performs switch device initialization - * - * Defines the operations that are necessary to initialize/control - * a particular RIO switch device. - */ -struct rio_switch_ops { - u16 vid, did; - int (*init_hook) (struct rio_dev *rdev, int do_enum); -}; - union rio_pw_msg { struct { u32 comptag; /* Component Tag CSR */ @@ -468,14 +449,29 @@ static inline struct rio_mport *dma_to_mport(struct dma_device *ddev) /** * struct rio_scan - RIO enumeration and discovery operations + * @owner: The module owner of this structure * @enumerate: Callback to perform RapidIO fabric enumeration. * @discover: Callback to perform RapidIO fabric discovery. */ struct rio_scan { + struct module *owner; int (*enumerate)(struct rio_mport *mport, u32 flags); int (*discover)(struct rio_mport *mport, u32 flags); }; +/** + * struct rio_scan_node - list node to register RapidIO enumeration and + * discovery methods with RapidIO core. + * @mport_id: ID of an mport (net) serviced by this enumerator + * @node: node in global list of registered enumerators + * @ops: RIO enumeration and discovery operations + */ +struct rio_scan_node { + int mport_id; + struct list_head node; + struct rio_scan *ops; +}; + /* Architecture and hardware-specific functions */ extern int rio_register_mport(struct rio_mport *); extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int); |