Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a86cd357 authored by Mitko Haralanov's avatar Mitko Haralanov Committed by Doug Ledford
Browse files

staging/hfi1: Add definitions needed for TID cache 



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: default avatarMitko Haralanov <mitko.haralanov@intel.com>
Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 955ad36d

drivers/staging/rdma/hfi1/hfi.h

+20 −0
Original line number Diff line number Diff line
@@ -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;