Merge commit 'v2.6.28-rc8' into sched/core

[safe/jmp/linux-2.6] / drivers / firewire / fw-transaction.h

diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index acdc3be..839466f 100644 (file)
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -19,13 +19,16 @@
 #ifndef __fw_transaction_h
 #define __fw_transaction_h
 
+#include <linux/completion.h>
 #include <linux/device.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/fs.h>
 #include <linux/dma-mapping.h>
 #include <linux/firewire-constants.h>
+#include <linux/kref.h>
+#include <linux/list.h>
+#include <linux/spinlock_types.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
 
 #define TCODE_IS_READ_REQUEST(tcode)   (((tcode) & ~1) == 4)
 #define TCODE_IS_BLOCK_PACKET(tcode)   (((tcode) &  1) != 0)
@@ -79,19 +82,21 @@
 #define CSR_SPEED_MAP                  0x2000
 #define CSR_SPEED_MAP_END              0x3000
 
+#define BROADCAST_CHANNEL_INITIAL      (1 << 31 | 31)
+#define BROADCAST_CHANNEL_VALID                (1 << 30)
+
 #define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args)
 #define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args)
-#define fw_debug(s, args...) printk(KERN_DEBUG KBUILD_MODNAME ": " s, ## args)
 
 static inline void
 fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
 {
-       u32 *dst = _dst;
-       u32 *src = _src;
+       u32    *dst = _dst;
+       __be32 *src = _src;
        int i;
 
        for (i = 0; i < size / 4; i++)
-               dst[i] = cpu_to_be32(src[i]);
+               dst[i] = be32_to_cpu(src[i]);
 }
 
 static inline void
@@ -124,6 +129,10 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode,
                                          size_t length,
                                          void *callback_data);
 
+/*
+ * Important note:  The callback must guarantee that either fw_send_response()
+ * or kfree() is called on the @request.
+ */
 typedef void (*fw_address_callback_t)(struct fw_card *card,
                                      struct fw_request *request,
                                      int tcode, int destination, int source,
@@ -145,6 +154,7 @@ struct fw_packet {
        size_t header_length;
        void *payload;
        size_t payload_length;
+       dma_addr_t payload_bus;
        u32 timestamp;
 
        /*
@@ -197,11 +207,7 @@ struct fw_address_region {
        u64 end;
 };
 
-extern const struct fw_address_region fw_low_memory_region;
 extern const struct fw_address_region fw_high_memory_region;
-extern const struct fw_address_region fw_private_region;
-extern const struct fw_address_region fw_csr_region;
-extern const struct fw_address_region fw_unit_space_region;
 
 int fw_core_add_address_handler(struct fw_address_handler *handler,
                                const struct fw_address_region *region);
@@ -217,18 +223,17 @@ struct fw_card {
        const struct fw_card_driver *driver;
        struct device *device;
        struct kref kref;
+       struct completion done;
 
        int node_id;
        int generation;
-       /* This is the generation used for timestamping incoming requests. */
-       int request_generation;
        int current_tlabel, tlabel_mask;
        struct list_head transaction_list;
        struct timer_list flush_timer;
        unsigned long reset_jiffies;
 
        unsigned long long guid;
-       int max_receive;
+       unsigned max_receive;
        int link_speed;
        int config_rom_generation;
 
@@ -238,15 +243,16 @@ struct fw_card {
         */
        int self_id_count;
        u32 topology_map[252 + 3];
+       u32 broadcast_channel;
 
        spinlock_t lock; /* Take this lock when handling the lists in
                          * this struct. */
        struct fw_node *local_node;
        struct fw_node *root_node;
        struct fw_node *irm_node;
-       int color;
+       u8 color; /* must be u8 to match the definition in struct fw_node */
        int gap_count;
-       int topology_type;
+       bool beta_repeaters_present;
 
        int index;
 
@@ -258,8 +264,19 @@ struct fw_card {
        int bm_generation;
 };
 
-struct fw_card *fw_card_get(struct fw_card *card);
-void fw_card_put(struct fw_card *card);
+static inline struct fw_card *fw_card_get(struct fw_card *card)
+{
+       kref_get(&card->kref);
+
+       return card;
+}
+
+void fw_card_release(struct kref *kref);
+
+static inline void fw_card_put(struct fw_card *card)
+{
+       kref_put(&card->kref, fw_card_release);
+}
 
 /*
  * The iso packet format allows for an immediate header/payload part
@@ -353,8 +370,6 @@ int
 fw_iso_context_stop(struct fw_iso_context *ctx);
 
 struct fw_card_driver {
-       const char *name;
-
        /*
         * Enable the given card with the given initial config rom.
         * This function is expected to activate the card, and either
@@ -413,11 +428,14 @@ fw_core_initiate_bus_reset(struct fw_card *card, int short_reset);
 
 void
 fw_send_request(struct fw_card *card, struct fw_transaction *t,
-               int tcode, int node_id, int generation, int speed,
-               unsigned long long offset,
-               void *data, size_t length,
+               int tcode, int destination_id, int generation, int speed,
+               unsigned long long offset, void *data, size_t length,
                fw_transaction_callback_t callback, void *callback_data);
 
+int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
+                      int generation, int speed, unsigned long long offset,
+                      void *data, size_t length);
+
 int fw_cancel_transaction(struct fw_card *card,
                          struct fw_transaction *transaction);