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iw_cxgb.h (225736) iw_cxgb.h (237920)
1/**************************************************************************
2
3Copyright (c) 2007, 2008 Chelsio Inc.
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8

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20LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26POSSIBILITY OF SUCH DAMAGE.
27
1/**************************************************************************
2
3Copyright (c) 2007, 2008 Chelsio Inc.
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8

--- 11 unchanged lines hidden (view full) ---

20LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26POSSIBILITY OF SUCH DAMAGE.
27
28$FreeBSD: stable/9/sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb.h 178786 2008-05-05 18:46:18Z kmacy $
28$FreeBSD: stable/9/sys/dev/cxgb/ulp/iw_cxgb/iw_cxgb.h 237920 2012-07-01 12:00:36Z np $
29
30***************************************************************************/
31
32#ifndef __IWCH_H__
33#define __IWCH_H__
34
35struct iwch_pd;
36struct iwch_cq;
37struct iwch_qp;
38struct iwch_mr;
39
29
30***************************************************************************/
31
32#ifndef __IWCH_H__
33#define __IWCH_H__
34
35struct iwch_pd;
36struct iwch_cq;
37struct iwch_qp;
38struct iwch_mr;
39
40enum t3ctype {
41 T3A = 0,
42 T3B,
43 T3C
44};
40
45
46#define PAGE_MASK_IWARP (~(PAGE_SIZE-1))
47
41struct iwch_rnic_attributes {
42 u32 vendor_id;
43 u32 vendor_part_id;
44 u32 max_qps;
45 u32 max_wrs; /* Max for any SQ/RQ */
46 u32 max_sge_per_wr;
47 u32 max_sge_per_rdma_write_wr; /* for RDMA Write WR */
48 u32 max_cqs;
49 u32 max_cqes_per_cq;
50 u32 max_mem_regs;
51 u32 max_phys_buf_entries; /* for phys buf list */
52 u32 max_pds;
53
54 /*
55 * The memory page sizes supported by this RNIC.
56 * Bit position i in bitmap indicates page of
57 * size (4k)^i. Phys block list mode unsupported.
58 */
59 u32 mem_pgsizes_bitmask;
48struct iwch_rnic_attributes {
49 u32 vendor_id;
50 u32 vendor_part_id;
51 u32 max_qps;
52 u32 max_wrs; /* Max for any SQ/RQ */
53 u32 max_sge_per_wr;
54 u32 max_sge_per_rdma_write_wr; /* for RDMA Write WR */
55 u32 max_cqs;
56 u32 max_cqes_per_cq;
57 u32 max_mem_regs;
58 u32 max_phys_buf_entries; /* for phys buf list */
59 u32 max_pds;
60
61 /*
62 * The memory page sizes supported by this RNIC.
63 * Bit position i in bitmap indicates page of
64 * size (4k)^i. Phys block list mode unsupported.
65 */
66 u32 mem_pgsizes_bitmask;
67 u64 max_mr_size;
60 u8 can_resize_wq;
61
62 /*
63 * The maximum number of RDMA Reads that can be outstanding
64 * per QP with this RNIC as the target.
65 */
66 u32 max_rdma_reads_per_qp;
67

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92 u32 cq_overflow_detection;
93};
94
95struct iwch_dev {
96 struct ib_device ibdev;
97 struct cxio_rdev rdev;
98 u32 device_cap_flags;
99 struct iwch_rnic_attributes attr;
68 u8 can_resize_wq;
69
70 /*
71 * The maximum number of RDMA Reads that can be outstanding
72 * per QP with this RNIC as the target.
73 */
74 u32 max_rdma_reads_per_qp;
75

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100 u32 cq_overflow_detection;
101};
102
103struct iwch_dev {
104 struct ib_device ibdev;
105 struct cxio_rdev rdev;
106 u32 device_cap_flags;
107 struct iwch_rnic_attributes attr;
100 struct kvl cqidr;
101 struct kvl qpidr;
102 struct kvl mmidr;
108 struct idr cqidr;
109 struct idr qpidr;
110 struct idr mmidr;
103 struct mtx lock;
104 TAILQ_ENTRY(iwch_dev) entry;
105};
106
107#ifndef container_of
108#define container_of(p, stype, field) ((stype *)(((uint8_t *)(p)) - offsetof(stype, field)))
109#endif
110
111static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev)
112{
113 return container_of(ibdev, struct iwch_dev, ibdev);
114}
115
111 struct mtx lock;
112 TAILQ_ENTRY(iwch_dev) entry;
113};
114
115#ifndef container_of
116#define container_of(p, stype, field) ((stype *)(((uint8_t *)(p)) - offsetof(stype, field)))
117#endif
118
119static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev)
120{
121 return container_of(ibdev, struct iwch_dev, ibdev);
122}
123
116static inline int t3b_device(const struct iwch_dev *rhp)
124static inline int t3b_device(const struct iwch_dev *rhp __unused)
117{
125{
118 return rhp->rdev.t3cdev_p->type == T3B;
126 return (0);
119}
120
127}
128
121static inline int t3a_device(const struct iwch_dev *rhp)
129static inline int t3a_device(const struct iwch_dev *rhp __unused)
122{
130{
123 return rhp->rdev.t3cdev_p->type == T3A;
131 return (0);
124}
125
126static inline struct iwch_cq *get_chp(struct iwch_dev *rhp, u32 cqid)
127{
132}
133
134static inline struct iwch_cq *get_chp(struct iwch_dev *rhp, u32 cqid)
135{
128 return kvl_lookup(&rhp->cqidr, cqid);
136 return idr_find(&rhp->cqidr, cqid);
129}
130
131static inline struct iwch_qp *get_qhp(struct iwch_dev *rhp, u32 qpid)
132{
137}
138
139static inline struct iwch_qp *get_qhp(struct iwch_dev *rhp, u32 qpid)
140{
133 return kvl_lookup(&rhp->qpidr, qpid);
141 return idr_find(&rhp->qpidr, qpid);
134}
135
136static inline struct iwch_mr *get_mhp(struct iwch_dev *rhp, u32 mmid)
137{
142}
143
144static inline struct iwch_mr *get_mhp(struct iwch_dev *rhp, u32 mmid)
145{
138 return kvl_lookup(&rhp->mmidr, mmid);
146 return idr_find(&rhp->mmidr, mmid);
139}
140
147}
148
141static inline int insert_handle(struct iwch_dev *rhp, struct kvl *kvlp,
149static inline int insert_handle(struct iwch_dev *rhp, struct idr *idr,
142 void *handle, u32 id)
143{
144 int ret;
145 u32 newid;
146
147 do {
150 void *handle, u32 id)
151{
152 int ret;
153 u32 newid;
154
155 do {
156 if (!idr_pre_get(idr, GFP_KERNEL)) {
157 return -ENOMEM;
158 }
148 mtx_lock(&rhp->lock);
159 mtx_lock(&rhp->lock);
149 ret = kvl_alloc_above(kvlp, handle, id, &newid);
160 ret = idr_get_new_above(idr, handle, id, &newid);
150 WARN_ON(ret != 0);
151 WARN_ON(!ret && newid != id);
152 mtx_unlock(&rhp->lock);
153 } while (ret == -EAGAIN);
154
155 return ret;
156}
157
161 WARN_ON(ret != 0);
162 WARN_ON(!ret && newid != id);
163 mtx_unlock(&rhp->lock);
164 } while (ret == -EAGAIN);
165
166 return ret;
167}
168
158static inline void remove_handle(struct iwch_dev *rhp, struct kvl *kvlp, u32 id)
169static inline void remove_handle(struct iwch_dev *rhp, struct idr *idr, u32 id)
159{
160 mtx_lock(&rhp->lock);
170{
171 mtx_lock(&rhp->lock);
161 kvl_delete(kvlp, id);
172 idr_remove(idr, id);
162 mtx_unlock(&rhp->lock);
163}
164
173 mtx_unlock(&rhp->lock);
174}
175
165extern struct cxgb_client t3c_client;
166extern cxgb_cpl_handler_func t3c_handlers[NUM_CPL_CMDS];
167extern void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct mbuf *m);
176void iwch_ev_dispatch(struct iwch_dev *, struct mbuf *);
168#endif
177#endif