Merge tag 'mmc-updates-for-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / include / linux / rio.h

diff --git a/include/linux/rio.h b/include/linux/rio.h
index 18e099342e6f82732a93b347b021ca7aa4e2b22d..b71d5738e68345345bc1580abae26b2d8e582048 100644 (file)
--- 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);