1 files changed, 26 insertions, 37 deletions

diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index 77b1aabf6ff3..af5e9f8c0fcd 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -7,6 +7,7 @@
 #define _SIW_H
 
 #include <rdma/ib_verbs.h>
+#include <rdma/restrack.h>
 #include <linux/socket.h>
 #include <linux/skbuff.h>
 #include <crypto/hash.h>
@@ -70,6 +71,7 @@ struct siw_pd {
 
 struct siw_device {
 	struct ib_device base_dev;
+	struct device_dma_parameters dma_parms;
 	struct net_device *netdev;
 	struct siw_dev_cap attrs;
 
@@ -98,18 +100,9 @@ struct siw_device {
 	struct work_struct netdev_down;
 };
 
-struct siw_uobj {
-	void *addr;
-	u32 size;
-};
-
 struct siw_ucontext {
 	struct ib_ucontext base_ucontext;
 	struct siw_device *sdev;
-
-	/* xarray of user mappable objects */
-	struct xarray xa;
-	u32 uobj_nextkey;
 };
 
 /*
@@ -138,9 +131,9 @@ struct siw_umem {
 };
 
 struct siw_pble {
-	u64 addr; /* Address of assigned user buffer */
-	u64 size; /* Size of this entry */
-	u64 pbl_off; /* Total offset from start of PBL */
+	dma_addr_t addr; /* Address of assigned buffer */
+	unsigned int size; /* Size of this entry */
+	unsigned long pbl_off; /* Total offset from start of PBL */
 };
 
 struct siw_pbl {
@@ -149,8 +142,6 @@ struct siw_pbl {
 	struct siw_pble pbe[1];
 };
 
-struct siw_mr;
-
 /*
  * Generic memory representation for registered siw memory.
  * Memory lookup always via higher 24 bit of STag (STag index).
@@ -219,8 +210,7 @@ struct siw_cq {
 	u32 cq_put;
 	u32 cq_get;
 	u32 num_cqe;
-	bool kernel_verbs;
-	u32 xa_cq_index; /* mmap information for CQE array */
+	struct rdma_user_mmap_entry *cq_entry; /* mmap info for CQE array */
 	u32 id; /* For debugging only */
 };
 
@@ -263,9 +253,9 @@ struct siw_srq {
 	u32 rq_put;
 	u32 rq_get;
 	u32 num_rqe; /* max # of wqe's allowed */
-	u32 xa_srq_index; /* mmap information for SRQ array */
-	char armed; /* inform user if limit hit */
-	char kernel_verbs; /* '1' if kernel client */
+	struct rdma_user_mmap_entry *srq_entry; /* mmap info for SRQ array */
+	bool armed:1; /* inform user if limit hit */
+	bool is_kernel_res:1; /* true if kernel client */
 };
 
 struct siw_qp_attrs {
@@ -428,13 +418,11 @@ struct siw_iwarp_tx {
 };
 
 struct siw_qp {
+	struct ib_qp base_qp;
 	struct siw_device *sdev;
-	struct ib_qp *ib_qp;
 	struct kref ref;
-	u32 qp_num;
 	struct list_head devq;
 	int tx_cpu;
-	bool kernel_verbs;
 	struct siw_qp_attrs attrs;
 
 	struct siw_cep *cep;
@@ -477,16 +465,11 @@ struct siw_qp {
 		u8 layer : 4, etype : 4;
 		u8 ecode;
 	} term_info;
-	u32 xa_sq_index; /* mmap information for SQE array */
-	u32 xa_rq_index; /* mmap information for RQE array */
+	struct rdma_user_mmap_entry *sq_entry; /* mmap info for SQE array */
+	struct rdma_user_mmap_entry *rq_entry; /* mmap info for RQE array */
 	struct rcu_head rcu;
 };
 
-struct siw_base_qp {
-	struct ib_qp base_qp;
-	struct siw_qp *qp;
-};
-
 /* helper macros */
 #define rx_qp(rx) container_of(rx, struct siw_qp, rx_stream)
 #define tx_qp(tx) container_of(tx, struct siw_qp, tx_ctx)
@@ -503,6 +486,11 @@ struct iwarp_msg_info {
 	int (*rx_data)(struct siw_qp *qp);
 };
 
+struct siw_user_mmap_entry {
+	struct rdma_user_mmap_entry rdma_entry;
+	void *address;
+};
+
 /* Global siw parameters. Currently set in siw_main.c */
 extern const bool zcopy_tx;
 extern const bool try_gso;
@@ -577,14 +565,9 @@ static inline struct siw_ucontext *to_siw_ctx(struct ib_ucontext *base_ctx)
 	return container_of(base_ctx, struct siw_ucontext, base_ucontext);
 }
 
-static inline struct siw_base_qp *to_siw_base_qp(struct ib_qp *base_qp)
-{
-	return container_of(base_qp, struct siw_base_qp, base_qp);
-}
-
 static inline struct siw_qp *to_siw_qp(struct ib_qp *base_qp)
 {
-	return to_siw_base_qp(base_qp)->qp;
+	return container_of(base_qp, struct siw_qp, base_qp);
 }
 
 static inline struct siw_cq *to_siw_cq(struct ib_cq *base_cq)
@@ -607,6 +590,12 @@ static inline struct siw_mr *to_siw_mr(struct ib_mr *base_mr)
 	return container_of(base_mr, struct siw_mr, base_mr);
 }
 
+static inline struct siw_user_mmap_entry *
+to_siw_mmap_entry(struct rdma_user_mmap_entry *rdma_mmap)
+{
+	return container_of(rdma_mmap, struct siw_user_mmap_entry, rdma_entry);
+}
+
 static inline struct siw_qp *siw_qp_id2obj(struct siw_device *sdev, int id)
 {
 	struct siw_qp *qp;
@@ -623,7 +612,7 @@ static inline struct siw_qp *siw_qp_id2obj(struct siw_device *sdev, int id)
 
 static inline u32 qp_id(struct siw_qp *qp)
 {
-	return qp->qp_num;
+	return qp->base_qp.qp_num;
 }
 
 static inline void siw_qp_get(struct siw_qp *qp)
@@ -734,7 +723,7 @@ static inline void siw_crc_skb(struct siw_rx_stream *srx, unsigned int len)
 		  "MEM[0x%08x] %s: " fmt, mem->stag, __func__, ##__VA_ARGS__)
 
 #define siw_dbg_cep(cep, fmt, ...)                                             \
-	ibdev_dbg(&cep->sdev->base_dev, "CEP[0x%p] %s: " fmt,                  \
+	ibdev_dbg(&cep->sdev->base_dev, "CEP[0x%pK] %s: " fmt,                 \
 		  cep, __func__, ##__VA_ARGS__)
 
 void siw_cq_flush(struct siw_cq *cq);