修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/net/rds/ib_mr.h
..
..
@@ -43,10 +43,6 @@
43
43
 #define RDS_MR_8K_SCALE			(256 / (RDS_MR_8K_MSG_SIZE + 1))
44
44
 #define RDS_MR_8K_POOL_SIZE		(RDS_MR_8K_SCALE * (8192 / 2))
45
45
 
46
-struct rds_ib_fmr {
47
-	struct ib_fmr		*fmr;
48
-};
49
-
50
46
 enum rds_ib_fr_state {
51
47
 	FRMR_IS_FREE,	/* mr invalidated & ready for use */
52
48
 	FRMR_IS_INUSE,	/* mr is in use or used & can be invalidated */
..
..
@@ -57,6 +53,9 @@
57
53
 	struct ib_mr		*mr;
58
54
 	enum rds_ib_fr_state	fr_state;
59
55
 	bool			fr_inv;
56
+	wait_queue_head_t	fr_inv_done;
57
+	bool			fr_reg;
58
+	wait_queue_head_t	fr_reg_done;
60
59
 	struct ib_send_wr	fr_wr;
61
60
 	unsigned int		dma_npages;
62
61
 	unsigned int		sg_byte_len;
..
..
@@ -64,6 +63,7 @@
64
63
 
65
64
 /* This is stored as mr->r_trans_private. */
66
65
 struct rds_ib_mr {
66
+	struct delayed_work		work;
67
67
 	struct rds_ib_device		*device;
68
68
 	struct rds_ib_mr_pool		*pool;
69
69
 	struct rds_ib_connection	*ic;
..
..
@@ -78,9 +78,10 @@
78
78
 	unsigned int			sg_len;
79
79
 	int				sg_dma_len;
80
80
 
81
+	u8				odp:1;
81
82
 	union {
82
-		struct rds_ib_fmr	fmr;
83
83
 		struct rds_ib_frmr	frmr;
84
+		struct ib_mr		*mr;
84
85
 	} u;
85
86
 };
86
87
 
..
..
@@ -97,13 +98,13 @@
97
98
 	struct llist_head	free_list;	/* unused MRs */
98
99
 	struct llist_head	clean_list;	/* unused & unmapped MRs */
99
100
 	wait_queue_head_t	flush_wait;
101
+	spinlock_t		clean_lock;	/* "clean_list" concurrency */
100
102
 
101
103
 	atomic_t		free_pinned;	/* memory pinned by free MRs */
102
104
 	unsigned long		max_items;
103
105
 	unsigned long		max_items_soft;
104
106
 	unsigned long		max_free_pinned;
105
-	struct ib_fmr_attr	fmr_attr;
106
-	bool			use_fastreg;
107
+	unsigned int		max_pages;
107
108
 };
108
109
 
109
110
 extern struct workqueue_struct *rds_ib_mr_wq;
..
..
@@ -118,24 +119,20 @@
118
119
 void rds_ib_destroy_mr_pool(struct rds_ib_mr_pool *);
119
120
 void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents,
120
121
 		    struct rds_sock *rs, u32 *key_ret,
121
-		    struct rds_connection *conn);
122
+		    struct rds_connection *conn, u64 start, u64 length,
123
+		    int need_odp);
122
124
 void rds_ib_sync_mr(void *trans_private, int dir);
123
125
 void rds_ib_free_mr(void *trans_private, int invalidate);
124
126
 void rds_ib_flush_mrs(void);
125
127
 int rds_ib_mr_init(void);
126
128
 void rds_ib_mr_exit(void);
129
+u32 rds_ib_get_lkey(void *trans_private);
127
130
 
128
131
 void __rds_ib_teardown_mr(struct rds_ib_mr *);
129
132
 void rds_ib_teardown_mr(struct rds_ib_mr *);
130
-struct rds_ib_mr *rds_ib_alloc_fmr(struct rds_ib_device *, int);
131
133
 struct rds_ib_mr *rds_ib_reuse_mr(struct rds_ib_mr_pool *);
132
134
 int rds_ib_flush_mr_pool(struct rds_ib_mr_pool *, int, struct rds_ib_mr **);
133
-struct rds_ib_mr *rds_ib_reg_fmr(struct rds_ib_device *, struct scatterlist *,
134
-				 unsigned long, u32 *);
135
135
 struct rds_ib_mr *rds_ib_try_reuse_ibmr(struct rds_ib_mr_pool *);
136
-void rds_ib_unreg_fmr(struct list_head *, unsigned int *,
137
-		      unsigned long *, unsigned int);
138
-void rds_ib_free_fmr_list(struct rds_ib_mr *);
139
136
 struct rds_ib_mr *rds_ib_reg_frmr(struct rds_ib_device *rds_ibdev,
140
137
 				  struct rds_ib_connection *ic,
141
138
 				  struct scatterlist *sg,