vserver 2.0 rc7

[linux-2.6.git] / drivers / infiniband / hw / mthca / mthca_memfree.h

diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.h b/drivers/infiniband/hw/mthca/mthca_memfree.h
index b63ae66..fe7be2a 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_memfree.h
+++ b/drivers/infiniband/hw/mthca/mthca_memfree.h
@@ -53,12 +53,16 @@ struct mthca_icm_chunk {
 
 struct mthca_icm {
        struct list_head chunk_list;
+       int              refcount;
 };
 
 struct mthca_icm_table {
        u64               virt;
        int               num_icm;
-       struct semaphore  sem;
+       int               num_obj;
+       int               obj_size;
+       int               lowmem;
+       struct semaphore  mutex;
        struct mthca_icm *icm[0];
 };
 
@@ -75,10 +79,17 @@ struct mthca_icm *mthca_alloc_icm(struct mthca_dev *dev, int npages,
 void mthca_free_icm(struct mthca_dev *dev, struct mthca_icm *icm);
 
 struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,
-                                             u64 virt, unsigned size,
-                                             unsigned reserved,
+                                             u64 virt, int obj_size,
+                                             int nobj, int reserved,
                                              int use_lowmem);
 void mthca_free_icm_table(struct mthca_dev *dev, struct mthca_icm_table *table);
+int mthca_table_get(struct mthca_dev *dev, struct mthca_icm_table *table, int obj);
+void mthca_table_put(struct mthca_dev *dev, struct mthca_icm_table *table, int obj);
+void *mthca_table_find(struct mthca_icm_table *table, int obj);
+int mthca_table_get_range(struct mthca_dev *dev, struct mthca_icm_table *table,
+                         int start, int end);
+void mthca_table_put_range(struct mthca_dev *dev, struct mthca_icm_table *table,
+                          int start, int end);
 
 static inline void mthca_icm_first(struct mthca_icm *icm,
                                   struct mthca_icm_iter *iter)
@@ -119,4 +130,37 @@ static inline unsigned long mthca_icm_size(struct mthca_icm_iter *iter)
        return sg_dma_len(&iter->chunk->mem[iter->page_idx]);
 }
 
+enum {
+       MTHCA_DB_REC_PER_PAGE = 4096 / 8
+};
+
+struct mthca_db_page {
+       DECLARE_BITMAP(used, MTHCA_DB_REC_PER_PAGE);
+       u64       *db_rec;
+       dma_addr_t mapping;
+};
+
+struct mthca_db_table {
+       int                   npages;
+       int                   max_group1;
+       int                   min_group2;
+       struct mthca_db_page *page;
+       struct semaphore      mutex;
+};
+
+enum {
+       MTHCA_DB_TYPE_INVALID   = 0x0,
+       MTHCA_DB_TYPE_CQ_SET_CI = 0x1,
+       MTHCA_DB_TYPE_CQ_ARM    = 0x2,
+       MTHCA_DB_TYPE_SQ        = 0x3,
+       MTHCA_DB_TYPE_RQ        = 0x4,
+       MTHCA_DB_TYPE_SRQ       = 0x5,
+       MTHCA_DB_TYPE_GROUP_SEP = 0x7
+};
+
+int mthca_init_db_tab(struct mthca_dev *dev);
+void mthca_cleanup_db_tab(struct mthca_dev *dev);
+int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, u32 **db);
+void mthca_free_db(struct mthca_dev *dev, int type, int db_index);
+
 #endif /* MTHCA_MEMFREE_H */