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staging/hfi1: Add definitions needed for TID cache

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In preparation for adding the TID caching support, there is a set
of headers, structures, and variables which will be needed. This
commit adds them to the hfi.h header file.

Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mitko Haralanov 2016-02-05 11:57:49 -05:00 committed by Doug Ledford
parent 955ad36dcd
commit a86cd357e5
1 changed files with 20 additions and 0 deletions
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20
drivers/staging/rdma/hfi1/hfi.h
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@ -179,6 +179,11 @@ struct ctxt_eager_bufs {
} *rcvtids;
};
struct exp_tid_set {
struct list_head list;
u32 count;
};
struct hfi1_ctxtdata {
/* shadow the ctxt's RcvCtrl register */
u64 rcvctrl;
@ -247,6 +252,11 @@ struct hfi1_ctxtdata {
struct page **tid_pg_list;
/* dma handles for exp tid pages */
dma_addr_t *physshadow;
struct exp_tid_set tid_group_list;
struct exp_tid_set tid_used_list;
struct exp_tid_set tid_full_list;
/* lock protecting all Expected TID data */
spinlock_t exp_lock;
/* number of pio bufs for this ctxt (all procs, if shared) */
@ -1137,6 +1147,16 @@ struct hfi1_filedata {
struct hfi1_user_sdma_pkt_q *pq;
/* for cpu affinity; -1 if none */
int rec_cpu_num;
struct mmu_notifier mn;
struct rb_root tid_rb_root;
spinlock_t tid_lock; /* protect tid_[limit,used] counters */
u32 tid_limit;
u32 tid_used;
spinlock_t rb_lock; /* protect tid_rb_root RB tree */
u32 *invalid_tids;
u32 invalid_tid_idx;
spinlock_t invalid_lock; /* protect the invalid_tids array */
int (*mmu_rb_insert)(struct rb_root *, struct mmu_rb_node *);
};
extern struct list_head hfi1_dev_list;