#include "ehca_tools.h"
#include "ehca_qes.h"
+struct ehca_pd;
+struct ipz_small_queue_page;
+
+extern struct kmem_cache *small_qp_cache;
+
/* struct generic ehca page */
struct ipz_page {
u8 entries[EHCA_PAGESIZE];
};
+#define IPZ_SPAGE_PER_KPAGE (PAGE_SIZE / 512)
+
+struct ipz_small_queue_page {
+ unsigned long page;
+ unsigned long bitmap[IPZ_SPAGE_PER_KPAGE / BITS_PER_LONG];
+ int fill;
+ void *mapped_addr;
+ u32 mmap_count;
+ struct list_head list;
+};
+
/* struct generic queue in linux kernel virtual memory (kv) */
struct ipz_queue {
u64 current_q_offset; /* current queue entry */
u32 queue_length; /* queue length allocated in bytes */
u32 pagesize;
u32 toggle_state; /* toggle flag - per page */
- u32 dummy3; /* 64 bit alignment */
+ u32 offset; /* save offset within page for small_qp */
+ struct ipz_small_queue_page *small_page;
};
/*
* see ipz_qpt_ctor()
* returns true if ok, false if out of memory
*/
-int ipz_queue_ctor(struct ipz_queue *queue, const u32 nr_of_pages,
- const u32 pagesize, const u32 qe_size,
- const u32 nr_of_sg);
+int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue,
+ const u32 nr_of_pages, const u32 pagesize,
+ const u32 qe_size, const u32 nr_of_sg,
+ int is_small);
/*
* destructor for a ipz_queue_t
* see ipz_queue_ctor()
* returns true if ok, false if queue was NULL-ptr of free failed
*/
-int ipz_queue_dtor(struct ipz_queue *queue);
+int ipz_queue_dtor(struct ehca_pd *pd, struct ipz_queue *queue);
/*
* constructor for a ipz_qpt_t,