modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/hfi1/sdma.h
..
..
@@ -1,7 +1,7 @@
1
1
 #ifndef _HFI1_SDMA_H
2
2
 #define _HFI1_SDMA_H
3
3
 /*
4
- * Copyright(c) 2015, 2016 Intel Corporation.
4
+ * Copyright(c) 2015 - 2018 Intel Corporation.
5
5
  *
6
6
  * This file is provided under a dual BSD/GPLv2 license.  When using or
7
7
  * redistributing this file, you may do so under either license.
..
..
@@ -61,16 +61,6 @@
61
61
 #define MAX_DESC 64
62
62
 /* Hardware limit for SDMA packet size */
63
63
 #define MAX_SDMA_PKT_SIZE ((16 * 1024) - 1)
64
-
65
-#define SDMA_TXREQ_S_OK        0
66
-#define SDMA_TXREQ_S_SENDERROR 1
67
-#define SDMA_TXREQ_S_ABORTED   2
68
-#define SDMA_TXREQ_S_SHUTDOWN  3
69
-
70
-/* flags bits */
71
-#define SDMA_TXREQ_F_URGENT       0x0001
72
-#define SDMA_TXREQ_F_AHG_COPY     0x0002
73
-#define SDMA_TXREQ_F_USE_AHG      0x0004
74
64
 
75
65
 #define SDMA_MAP_NONE          0
76
66
 #define SDMA_MAP_SINGLE        1
..
..
@@ -392,6 +382,7 @@
392
382
 	u64                     progress_int_cnt;
393
383
 
394
384
 	/* private: */
385
+	seqlock_t            waitlock;
395
386
 	struct list_head      dmawait;
396
387
 
397
388
 	/* CONFIG SDMA for now, just blindly duplicate */
..
..
@@ -415,6 +406,7 @@
415
406
 	struct list_head flushlist;
416
407
 	struct cpumask cpu_mask;
417
408
 	struct kobject kobj;
409
+	u32 msix_intr;
418
410
 };
419
411
 
420
412
 int sdma_init(struct hfi1_devdata *dd, u8 port);
..
..
@@ -644,7 +636,10 @@
644
636
 	struct sdma_txreq *tx,
645
637
 	int type,
646
638
 	dma_addr_t addr,
647
-	size_t len)
639
+	size_t len,
640
+	void *pinning_ctx,
641
+	void (*ctx_get)(void *),
642
+	void (*ctx_put)(void *))
648
643
 {
649
644
 	struct sdma_desc *desc = &tx->descp[tx->num_desc];
650
645
 
..
..
@@ -661,6 +656,11 @@
661
656
 				<< SDMA_DESC0_PHY_ADDR_SHIFT) |
662
657
 			(((u64)len & SDMA_DESC0_BYTE_COUNT_MASK)
663
658
 				<< SDMA_DESC0_BYTE_COUNT_SHIFT);
659
+
660
+	desc->pinning_ctx = pinning_ctx;
661
+	desc->ctx_put = ctx_put;
662
+	if (pinning_ctx && ctx_get)
663
+		ctx_get(pinning_ctx);
664
664
 }
665
665
 
666
666
 /* helper to extend txreq */
..
..
@@ -680,14 +680,13 @@
680
680
 static inline void _sdma_close_tx(struct hfi1_devdata *dd,
681
681
 				  struct sdma_txreq *tx)
682
682
 {
683
-	tx->descp[tx->num_desc].qw[0] |=
684
-		SDMA_DESC0_LAST_DESC_FLAG;
685
-	tx->descp[tx->num_desc].qw[1] |=
686
-		dd->default_desc1;
683
+	u16 last_desc = tx->num_desc - 1;
684
+
685
+	tx->descp[last_desc].qw[0] |= SDMA_DESC0_LAST_DESC_FLAG;
686
+	tx->descp[last_desc].qw[1] |= dd->default_desc1;
687
687
 	if (tx->flags & SDMA_TXREQ_F_URGENT)
688
-		tx->descp[tx->num_desc].qw[1] |=
689
-			(SDMA_DESC1_HEAD_TO_HOST_FLAG |
690
-			 SDMA_DESC1_INT_REQ_FLAG);
688
+		tx->descp[last_desc].qw[1] |= (SDMA_DESC1_HEAD_TO_HOST_FLAG |
689
+					       SDMA_DESC1_INT_REQ_FLAG);
691
690
 }
692
691
 
693
692
 static inline int _sdma_txadd_daddr(
..
..
@@ -695,15 +694,20 @@
695
694
 	int type,
696
695
 	struct sdma_txreq *tx,
697
696
 	dma_addr_t addr,
698
-	u16 len)
697
+	u16 len,
698
+	void *pinning_ctx,
699
+	void (*ctx_get)(void *),
700
+	void (*ctx_put)(void *))
699
701
 {
700
702
 	int rval = 0;
701
703
 
702
704
 	make_tx_sdma_desc(
703
705
 		tx,
704
706
 		type,
705
-		addr, len);
707
+		addr, len,
708
+		pinning_ctx, ctx_get, ctx_put);
706
709
 	WARN_ON(len > tx->tlen);
710
+	tx->num_desc++;
707
711
 	tx->tlen -= len;
708
712
 	/* special cases for last */
709
713
 	if (!tx->tlen) {
..
..
@@ -715,7 +719,6 @@
715
719
 			_sdma_close_tx(dd, tx);
716
720
 		}
717
721
 	}
718
-	tx->num_desc++;
719
722
 	return rval;
720
723
 }
721
724
 
..
..
@@ -726,6 +729,14 @@
726
729
  * @page: page to map
727
730
  * @offset: offset within the page
728
731
  * @len: length in bytes
732
+ * @pinning_ctx: context to be stored on struct sdma_desc .pinning_ctx. Not
733
+ *               added if coalesce buffer is used. E.g. pointer to pinned-page
734
+ *               cache entry for the sdma_desc.
735
+ * @ctx_get: optional function to take reference to @pinning_ctx. Not called if
736
+ *           @pinning_ctx is NULL.
737
+ * @ctx_put: optional function to release reference to @pinning_ctx after
738
+ *           sdma_desc completes. May be called in interrupt context so must
739
+ *           not sleep. Not called if @pinning_ctx is NULL.
729
740
  *
730
741
  * This is used to add a page/offset/length descriptor.
731
742
  *
..
..
@@ -740,7 +751,10 @@
740
751
 	struct sdma_txreq *tx,
741
752
 	struct page *page,
742
753
 	unsigned long offset,
743
-	u16 len)
754
+	u16 len,
755
+	void *pinning_ctx,
756
+	void (*ctx_get)(void *),
757
+	void (*ctx_put)(void *))
744
758
 {
745
759
 	dma_addr_t addr;
746
760
 	int rval;
..
..
@@ -764,8 +778,8 @@
764
778
 		return -ENOSPC;
765
779
 	}
766
780
 
767
-	return _sdma_txadd_daddr(
768
-			dd, SDMA_MAP_PAGE, tx, addr, len);
781
+	return _sdma_txadd_daddr(dd, SDMA_MAP_PAGE, tx, addr, len,
782
+				 pinning_ctx, ctx_get, ctx_put);
769
783
 }
770
784
 
771
785
 /**
..
..
@@ -799,7 +813,8 @@
799
813
 			return rval;
800
814
 	}
801
815
 
802
-	return _sdma_txadd_daddr(dd, SDMA_MAP_NONE, tx, addr, len);
816
+	return _sdma_txadd_daddr(dd, SDMA_MAP_NONE, tx, addr, len,
817
+				 NULL, NULL, NULL);
803
818
 }
804
819
 
805
820
 /**
..
..
@@ -845,20 +860,20 @@
845
860
 		return -ENOSPC;
846
861
 	}
847
862
 
848
-	return _sdma_txadd_daddr(
849
-			dd, SDMA_MAP_SINGLE, tx, addr, len);
863
+	return _sdma_txadd_daddr(dd, SDMA_MAP_SINGLE, tx, addr, len,
864
+				 NULL, NULL, NULL);
850
865
 }
851
866
 
852
-struct iowait;
867
+struct iowait_work;
853
868
 
854
869
 int sdma_send_txreq(struct sdma_engine *sde,
855
-		    struct iowait *wait,
870
+		    struct iowait_work *wait,
856
871
 		    struct sdma_txreq *tx,
857
872
 		    bool pkts_sent);
858
873
 int sdma_send_txlist(struct sdma_engine *sde,
859
-		     struct iowait *wait,
874
+		     struct iowait_work *wait,
860
875
 		     struct list_head *tx_list,
861
-		     u32 *count);
876
+		     u16 *count_out);
862
877
 
863
878
 int sdma_ahg_alloc(struct sdma_engine *sde);
864
879
 void sdma_ahg_free(struct sdma_engine *sde, int ahg_index);
..
..
@@ -1010,7 +1025,7 @@
1010
1025
  */
1011
1026
 struct sdma_map_elem {
1012
1027
 	u32 mask;
1013
-	struct sdma_engine *sde[0];
1028
+	struct sdma_engine *sde[];
1014
1029
 };
1015
1030
 
1016
1031
 /**
..
..
@@ -1032,7 +1047,7 @@
1032
1047
 	u32 mask;
1033
1048
 	u8 actual_vls;
1034
1049
 	u8 vls;
1035
-	struct sdma_map_elem *map[0];
1050
+	struct sdma_map_elem *map[];
1036
1051
 };
1037
1052
 
1038
1053
 int sdma_map_init(
..
..
@@ -1097,5 +1112,4 @@
1097
1112
 extern uint mod_num_sdma;
1098
1113
 
1099
1114
 void sdma_update_lmc(struct hfi1_devdata *dd, u64 mask, u32 lid);
1100
-
1101
1115
 #endif