diff options
-rw-r--r-- | drivers/infiniband/hw/ipath/Makefile | 1 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_layer.c | 365 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_layer.h | 71 | ||||
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_verbs.h | 2 |
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. */ | ||
48 | static DEFINE_MUTEX(ipath_layer_mutex); | ||
49 | |||
50 | u16 ipath_layer_rcv_opcode; | ||
51 | |||
52 | static int (*layer_intr)(void *, u32); | ||
53 | static int (*layer_rcv)(void *, void *, struct sk_buff *); | ||
54 | static int (*layer_rcv_lid)(void *, void *); | ||
55 | |||
56 | static void *(*layer_add_one)(int, struct ipath_devdata *); | ||
57 | static void (*layer_remove_one)(void *); | ||
58 | |||
59 | int __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 | |||
69 | int 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 | |||
82 | int __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 | |||
93 | int __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 | |||
103 | void 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 | |||
113 | void 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 | |||
124 | void 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 | |||
136 | int 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 | |||
175 | EXPORT_SYMBOL_GPL(ipath_layer_register); | ||
176 | |||
177 | void 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 | |||
205 | EXPORT_SYMBOL_GPL(ipath_layer_unregister); | ||
206 | |||
207 | int 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; | ||
240 | bail: | ||
241 | mutex_unlock(&ipath_layer_mutex); | ||
242 | |||
243 | return ret; | ||
244 | } | ||
245 | |||
246 | EXPORT_SYMBOL_GPL(ipath_layer_open); | ||
247 | |||
248 | u16 ipath_layer_get_lid(struct ipath_devdata *dd) | ||
249 | { | ||
250 | return dd->ipath_lid; | ||
251 | } | ||
252 | |||
253 | EXPORT_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 | |||
268 | int 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 | |||
286 | EXPORT_SYMBOL_GPL(ipath_layer_get_mac); | ||
287 | |||
288 | u16 ipath_layer_get_bcast(struct ipath_devdata *dd) | ||
289 | { | ||
290 | return dd->ipath_mlid; | ||
291 | } | ||
292 | |||
293 | EXPORT_SYMBOL_GPL(ipath_layer_get_bcast); | ||
294 | |||
295 | int 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 | |||
350 | done: | ||
351 | return ret; | ||
352 | } | ||
353 | |||
354 | EXPORT_SYMBOL_GPL(ipath_layer_send_hdr); | ||
355 | |||
356 | int 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 | |||
365 | EXPORT_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 | |||
42 | struct sk_buff; | ||
43 | struct ipath_devdata; | ||
44 | struct ether_header; | ||
45 | |||
46 | int 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 *)); | ||
53 | void ipath_layer_unregister(void); | ||
54 | int ipath_layer_open(struct ipath_devdata *, u32 * pktmax); | ||
55 | u16 ipath_layer_get_lid(struct ipath_devdata *dd); | ||
56 | int ipath_layer_get_mac(struct ipath_devdata *dd, u8 *); | ||
57 | u16 ipath_layer_get_bcast(struct ipath_devdata *dd); | ||
58 | int ipath_layer_send_hdr(struct ipath_devdata *dd, | ||
59 | struct ether_header *hdr); | ||
60 | int 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 | |||
69 | extern 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) |