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-rw-r--r--drivers/infiniband/hw/ipath/Makefile1
-rw-r--r--drivers/infiniband/hw/ipath/ipath_layer.c365
-rw-r--r--drivers/infiniband/hw/ipath/ipath_layer.h71
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.h2
4 files changed, 0 insertions, 439 deletions
diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile
index ec2e603ea241..fe6738826865 100644
--- a/drivers/infiniband/hw/ipath/Makefile
+++ b/drivers/infiniband/hw/ipath/Makefile
@@ -14,7 +14,6 @@ ib_ipath-y := \
14 ipath_init_chip.o \ 14 ipath_init_chip.o \
15 ipath_intr.o \ 15 ipath_intr.o \
16 ipath_keys.o \ 16 ipath_keys.o \
17 ipath_layer.o \
18 ipath_mad.o \ 17 ipath_mad.o \
19 ipath_mmap.o \ 18 ipath_mmap.o \
20 ipath_mr.o \ 19 ipath_mr.o \
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.c b/drivers/infiniband/hw/ipath/ipath_layer.c
deleted file mode 100644
index 82616b779e24..000000000000
--- a/drivers/infiniband/hw/ipath/ipath_layer.c
+++ /dev/null
@@ -1,365 +0,0 @@
1/*
2 * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
3 * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34/*
35 * These are the routines used by layered drivers, currently just the
36 * layered ethernet driver and verbs layer.
37 */
38
39#include <linux/io.h>
40#include <asm/byteorder.h>
41
42#include "ipath_kernel.h"
43#include "ipath_layer.h"
44#include "ipath_verbs.h"
45#include "ipath_common.h"
46
47/* Acquire before ipath_devs_lock. */
48static DEFINE_MUTEX(ipath_layer_mutex);
49
50u16 ipath_layer_rcv_opcode;
51
52static int (*layer_intr)(void *, u32);
53static int (*layer_rcv)(void *, void *, struct sk_buff *);
54static int (*layer_rcv_lid)(void *, void *);
55
56static void *(*layer_add_one)(int, struct ipath_devdata *);
57static void (*layer_remove_one)(void *);
58
59int __ipath_layer_intr(struct ipath_devdata *dd, u32 arg)
60{
61 int ret = -ENODEV;
62
63 if (dd->ipath_layer.l_arg && layer_intr)
64 ret = layer_intr(dd->ipath_layer.l_arg, arg);
65
66 return ret;
67}
68
69int ipath_layer_intr(struct ipath_devdata *dd, u32 arg)
70{
71 int ret;
72
73 mutex_lock(&ipath_layer_mutex);
74
75 ret = __ipath_layer_intr(dd, arg);
76
77 mutex_unlock(&ipath_layer_mutex);
78
79 return ret;
80}
81
82int __ipath_layer_rcv(struct ipath_devdata *dd, void *hdr,
83 struct sk_buff *skb)
84{
85 int ret = -ENODEV;
86
87 if (dd->ipath_layer.l_arg && layer_rcv)
88 ret = layer_rcv(dd->ipath_layer.l_arg, hdr, skb);
89
90 return ret;
91}
92
93int __ipath_layer_rcv_lid(struct ipath_devdata *dd, void *hdr)
94{
95 int ret = -ENODEV;
96
97 if (dd->ipath_layer.l_arg && layer_rcv_lid)
98 ret = layer_rcv_lid(dd->ipath_layer.l_arg, hdr);
99
100 return ret;
101}
102
103void ipath_layer_lid_changed(struct ipath_devdata *dd)
104{
105 mutex_lock(&ipath_layer_mutex);
106
107 if (dd->ipath_layer.l_arg && layer_intr)
108 layer_intr(dd->ipath_layer.l_arg, IPATH_LAYER_INT_LID);
109
110 mutex_unlock(&ipath_layer_mutex);
111}
112
113void ipath_layer_add(struct ipath_devdata *dd)
114{
115 mutex_lock(&ipath_layer_mutex);
116
117 if (layer_add_one)
118 dd->ipath_layer.l_arg =
119 layer_add_one(dd->ipath_unit, dd);
120
121 mutex_unlock(&ipath_layer_mutex);
122}
123
124void ipath_layer_remove(struct ipath_devdata *dd)
125{
126 mutex_lock(&ipath_layer_mutex);
127
128 if (dd->ipath_layer.l_arg && layer_remove_one) {
129 layer_remove_one(dd->ipath_layer.l_arg);
130 dd->ipath_layer.l_arg = NULL;
131 }
132
133 mutex_unlock(&ipath_layer_mutex);
134}
135
136int ipath_layer_register(void *(*l_add)(int, struct ipath_devdata *),
137 void (*l_remove)(void *),
138 int (*l_intr)(void *, u32),
139 int (*l_rcv)(void *, void *, struct sk_buff *),
140 u16 l_rcv_opcode,
141 int (*l_rcv_lid)(void *, void *))
142{
143 struct ipath_devdata *dd, *tmp;
144 unsigned long flags;
145
146 mutex_lock(&ipath_layer_mutex);
147
148 layer_add_one = l_add;
149 layer_remove_one = l_remove;
150 layer_intr = l_intr;
151 layer_rcv = l_rcv;
152 layer_rcv_lid = l_rcv_lid;
153 ipath_layer_rcv_opcode = l_rcv_opcode;
154
155 spin_lock_irqsave(&ipath_devs_lock, flags);
156
157 list_for_each_entry_safe(dd, tmp, &ipath_dev_list, ipath_list) {
158 if (!(dd->ipath_flags & IPATH_INITTED))
159 continue;
160
161 if (dd->ipath_layer.l_arg)
162 continue;
163
164 spin_unlock_irqrestore(&ipath_devs_lock, flags);
165 dd->ipath_layer.l_arg = l_add(dd->ipath_unit, dd);
166 spin_lock_irqsave(&ipath_devs_lock, flags);
167 }
168
169 spin_unlock_irqrestore(&ipath_devs_lock, flags);
170 mutex_unlock(&ipath_layer_mutex);
171
172 return 0;
173}
174
175EXPORT_SYMBOL_GPL(ipath_layer_register);
176
177void ipath_layer_unregister(void)
178{
179 struct ipath_devdata *dd, *tmp;
180 unsigned long flags;
181
182 mutex_lock(&ipath_layer_mutex);
183 spin_lock_irqsave(&ipath_devs_lock, flags);
184
185 list_for_each_entry_safe(dd, tmp, &ipath_dev_list, ipath_list) {
186 if (dd->ipath_layer.l_arg && layer_remove_one) {
187 spin_unlock_irqrestore(&ipath_devs_lock, flags);
188 layer_remove_one(dd->ipath_layer.l_arg);
189 spin_lock_irqsave(&ipath_devs_lock, flags);
190 dd->ipath_layer.l_arg = NULL;
191 }
192 }
193
194 spin_unlock_irqrestore(&ipath_devs_lock, flags);
195
196 layer_add_one = NULL;
197 layer_remove_one = NULL;
198 layer_intr = NULL;
199 layer_rcv = NULL;
200 layer_rcv_lid = NULL;
201
202 mutex_unlock(&ipath_layer_mutex);
203}
204
205EXPORT_SYMBOL_GPL(ipath_layer_unregister);
206
207int ipath_layer_open(struct ipath_devdata *dd, u32 * pktmax)
208{
209 int ret;
210 u32 intval = 0;
211
212 mutex_lock(&ipath_layer_mutex);
213
214 if (!dd->ipath_layer.l_arg) {
215 ret = -EINVAL;
216 goto bail;
217 }
218
219 ret = ipath_setrcvhdrsize(dd, IPATH_HEADER_QUEUE_WORDS);
220
221 if (ret < 0)
222 goto bail;
223
224 *pktmax = dd->ipath_ibmaxlen;
225
226 if (*dd->ipath_statusp & IPATH_STATUS_IB_READY)
227 intval |= IPATH_LAYER_INT_IF_UP;
228 if (dd->ipath_lid)
229 intval |= IPATH_LAYER_INT_LID;
230 if (dd->ipath_mlid)
231 intval |= IPATH_LAYER_INT_BCAST;
232 /*
233 * do this on open, in case low level is already up and
234 * just layered driver was reloaded, etc.
235 */
236 if (intval)
237 layer_intr(dd->ipath_layer.l_arg, intval);
238
239 ret = 0;
240bail:
241 mutex_unlock(&ipath_layer_mutex);
242
243 return ret;
244}
245
246EXPORT_SYMBOL_GPL(ipath_layer_open);
247
248u16 ipath_layer_get_lid(struct ipath_devdata *dd)
249{
250 return dd->ipath_lid;
251}
252
253EXPORT_SYMBOL_GPL(ipath_layer_get_lid);
254
255/**
256 * ipath_layer_get_mac - get the MAC address
257 * @dd: the infinipath device
258 * @mac: the MAC is put here
259 *
260 * This is the EUID-64 OUI octets (top 3), then
261 * skip the next 2 (which should both be zero or 0xff).
262 * The returned MAC is in network order
263 * mac points to at least 6 bytes of buffer
264 * We assume that by the time the LID is set, that the GUID is as valid
265 * as it's ever going to be, rather than adding yet another status bit.
266 */
267
268int ipath_layer_get_mac(struct ipath_devdata *dd, u8 * mac)
269{
270 u8 *guid;
271
272 guid = (u8 *) &dd->ipath_guid;
273
274 mac[0] = guid[0];
275 mac[1] = guid[1];
276 mac[2] = guid[2];
277 mac[3] = guid[5];
278 mac[4] = guid[6];
279 mac[5] = guid[7];
280 if ((guid[3] || guid[4]) && !(guid[3] == 0xff && guid[4] == 0xff))
281 ipath_dbg("Warning, guid bytes 3 and 4 not 0 or 0xffff: "
282 "%x %x\n", guid[3], guid[4]);
283 return 0;
284}
285
286EXPORT_SYMBOL_GPL(ipath_layer_get_mac);
287
288u16 ipath_layer_get_bcast(struct ipath_devdata *dd)
289{
290 return dd->ipath_mlid;
291}
292
293EXPORT_SYMBOL_GPL(ipath_layer_get_bcast);
294
295int ipath_layer_send_hdr(struct ipath_devdata *dd, struct ether_header *hdr)
296{
297 int ret = 0;
298 u32 __iomem *piobuf;
299 u32 plen, *uhdr;
300 size_t count;
301 __be16 vlsllnh;
302
303 if (!(dd->ipath_flags & IPATH_RCVHDRSZ_SET)) {
304 ipath_dbg("send while not open\n");
305 ret = -EINVAL;
306 } else
307 if ((dd->ipath_flags & (IPATH_LINKUNK | IPATH_LINKDOWN)) ||
308 dd->ipath_lid == 0) {
309 /*
310 * lid check is for when sma hasn't yet configured
311 */
312 ret = -ENETDOWN;
313 ipath_cdbg(VERBOSE, "send while not ready, "
314 "mylid=%u, flags=0x%x\n",
315 dd->ipath_lid, dd->ipath_flags);
316 }
317
318 vlsllnh = *((__be16 *) hdr);
319 if (vlsllnh != htons(IPATH_LRH_BTH)) {
320 ipath_dbg("Warning: lrh[0] wrong (%x, not %x); "
321 "not sending\n", be16_to_cpu(vlsllnh),
322 IPATH_LRH_BTH);
323 ret = -EINVAL;
324 }
325 if (ret)
326 goto done;
327
328 /* Get a PIO buffer to use. */
329 piobuf = ipath_getpiobuf(dd, NULL);
330 if (piobuf == NULL) {
331 ret = -EBUSY;
332 goto done;
333 }
334
335 plen = (sizeof(*hdr) >> 2); /* actual length */
336 ipath_cdbg(EPKT, "0x%x+1w pio %p\n", plen, piobuf);
337
338 writeq(plen+1, piobuf); /* len (+1 for pad) to pbc, no flags */
339 ipath_flush_wc();
340 piobuf += 2;
341 uhdr = (u32 *)hdr;
342 count = plen-1; /* amount we can copy before trigger word */
343 __iowrite32_copy(piobuf, uhdr, count);
344 ipath_flush_wc();
345 __raw_writel(uhdr[count], piobuf + count);
346 ipath_flush_wc(); /* ensure it's sent, now */
347
348 ipath_stats.sps_ether_spkts++; /* ether packet sent */
349
350done:
351 return ret;
352}
353
354EXPORT_SYMBOL_GPL(ipath_layer_send_hdr);
355
356int ipath_layer_set_piointbufavail_int(struct ipath_devdata *dd)
357{
358 set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
359
360 ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
361 dd->ipath_sendctrl);
362 return 0;
363}
364
365EXPORT_SYMBOL_GPL(ipath_layer_set_piointbufavail_int);
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.h b/drivers/infiniband/hw/ipath/ipath_layer.h
deleted file mode 100644
index 415709c4d85b..000000000000
--- a/drivers/infiniband/hw/ipath/ipath_layer.h
+++ /dev/null
@@ -1,71 +0,0 @@
1/*
2 * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
3 * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#ifndef _IPATH_LAYER_H
35#define _IPATH_LAYER_H
36
37/*
38 * This header file is for symbols shared between the infinipath driver
39 * and drivers layered upon it (such as ipath).
40 */
41
42struct sk_buff;
43struct ipath_devdata;
44struct ether_header;
45
46int ipath_layer_register(void *(*l_add)(int, struct ipath_devdata *),
47 void (*l_remove)(void *),
48 int (*l_intr)(void *, u32),
49 int (*l_rcv)(void *, void *,
50 struct sk_buff *),
51 u16 rcv_opcode,
52 int (*l_rcv_lid)(void *, void *));
53void ipath_layer_unregister(void);
54int ipath_layer_open(struct ipath_devdata *, u32 * pktmax);
55u16 ipath_layer_get_lid(struct ipath_devdata *dd);
56int ipath_layer_get_mac(struct ipath_devdata *dd, u8 *);
57u16 ipath_layer_get_bcast(struct ipath_devdata *dd);
58int ipath_layer_send_hdr(struct ipath_devdata *dd,
59 struct ether_header *hdr);
60int ipath_layer_set_piointbufavail_int(struct ipath_devdata *dd);
61
62/* ipath_ether interrupt values */
63#define IPATH_LAYER_INT_IF_UP 0x2
64#define IPATH_LAYER_INT_IF_DOWN 0x4
65#define IPATH_LAYER_INT_LID 0x8
66#define IPATH_LAYER_INT_SEND_CONTINUE 0x10
67#define IPATH_LAYER_INT_BCAST 0x40
68
69extern unsigned ipath_debug; /* debugging bit mask */
70
71#endif /* _IPATH_LAYER_H */
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index 9bbe81967f14..1a24c6a4a814 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -42,8 +42,6 @@
42#include <rdma/ib_pack.h> 42#include <rdma/ib_pack.h>
43#include <rdma/ib_user_verbs.h> 43#include <rdma/ib_user_verbs.h>
44 44
45#include "ipath_layer.h"
46
47#define IPATH_MAX_RDMA_ATOMIC 4 45#define IPATH_MAX_RDMA_ATOMIC 4
48 46
49#define QPN_MAX (1 << 24) 47#define QPN_MAX (1 << 24)
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-03 23:26:20 -0400