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qlcnic: FW dump support
[deliverable/linux.git] / drivers / net / qlcnic / qlcnic_hw.c
CommitLineData
af19b491 1/*
40839129
SV		 2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
af19b491 4 *
40839129 5 * See LICENSE.qlcnic for copyright and licensing details.
af19b491
AKS		 6 */
7
8#include "qlcnic.h"
9
5a0e3ad6 10#include <linux/slab.h>
af19b491 11#include <net/ip.h>
18f2f616 12#include <linux/bitops.h>
af19b491
AKS		 13
14#define MASK(n) ((1ULL<<(n))-1)
15#define OCM_WIN_P3P(addr) (addr & 0xffc0000)
16
17#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
18
19#define CRB_BLK(off) ((off >> 20) & 0x3f)
20#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
21#define CRB_WINDOW_2M (0x130060)
22#define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
23#define CRB_INDIRECT_2M (0x1e0000UL)
24
25
26#ifndef readq
27static inline u64 readq(void __iomem *addr)
28{
29 return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
30}
31#endif
32
33#ifndef writeq
34static inline void writeq(u64 val, void __iomem *addr)
35{
36 writel(((u32) (val)), (addr));
37 writel(((u32) (val >> 32)), (addr + 4));
38}
39#endif
40
af19b491
AKS		 41static const struct crb_128M_2M_block_map
42crb_128M_2M_map[64] __cacheline_aligned_in_smp = {
43 {{{0, 0, 0, 0} } }, /* 0: PCI */
44 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */
45 {1, 0x0110000, 0x0120000, 0x130000},
46 {1, 0x0120000, 0x0122000, 0x124000},
47 {1, 0x0130000, 0x0132000, 0x126000},
48 {1, 0x0140000, 0x0142000, 0x128000},
49 {1, 0x0150000, 0x0152000, 0x12a000},
50 {1, 0x0160000, 0x0170000, 0x110000},
51 {1, 0x0170000, 0x0172000, 0x12e000},
52 {0, 0x0000000, 0x0000000, 0x000000},
53 {0, 0x0000000, 0x0000000, 0x000000},
54 {0, 0x0000000, 0x0000000, 0x000000},
55 {0, 0x0000000, 0x0000000, 0x000000},
56 {0, 0x0000000, 0x0000000, 0x000000},
57 {0, 0x0000000, 0x0000000, 0x000000},
58 {1, 0x01e0000, 0x01e0800, 0x122000},
59 {0, 0x0000000, 0x0000000, 0x000000} } },
60 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
61 {{{0, 0, 0, 0} } }, /* 3: */
62 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
63 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */
64 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */
65 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */
66 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */
67 {0, 0x0000000, 0x0000000, 0x000000},
68 {0, 0x0000000, 0x0000000, 0x000000},
69 {0, 0x0000000, 0x0000000, 0x000000},
70 {0, 0x0000000, 0x0000000, 0x000000},
71 {0, 0x0000000, 0x0000000, 0x000000},
72 {0, 0x0000000, 0x0000000, 0x000000},
73 {0, 0x0000000, 0x0000000, 0x000000},
74 {0, 0x0000000, 0x0000000, 0x000000},
75 {0, 0x0000000, 0x0000000, 0x000000},
76 {0, 0x0000000, 0x0000000, 0x000000},
77 {0, 0x0000000, 0x0000000, 0x000000},
78 {0, 0x0000000, 0x0000000, 0x000000},
79 {0, 0x0000000, 0x0000000, 0x000000},
80 {0, 0x0000000, 0x0000000, 0x000000},
81 {1, 0x08f0000, 0x08f2000, 0x172000} } },
82 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/
83 {0, 0x0000000, 0x0000000, 0x000000},
84 {0, 0x0000000, 0x0000000, 0x000000},
85 {0, 0x0000000, 0x0000000, 0x000000},
86 {0, 0x0000000, 0x0000000, 0x000000},
87 {0, 0x0000000, 0x0000000, 0x000000},
88 {0, 0x0000000, 0x0000000, 0x000000},
89 {0, 0x0000000, 0x0000000, 0x000000},
90 {0, 0x0000000, 0x0000000, 0x000000},
91 {0, 0x0000000, 0x0000000, 0x000000},
92 {0, 0x0000000, 0x0000000, 0x000000},
93 {0, 0x0000000, 0x0000000, 0x000000},
94 {0, 0x0000000, 0x0000000, 0x000000},
95 {0, 0x0000000, 0x0000000, 0x000000},
96 {0, 0x0000000, 0x0000000, 0x000000},
97 {1, 0x09f0000, 0x09f2000, 0x176000} } },
98 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/
99 {0, 0x0000000, 0x0000000, 0x000000},
100 {0, 0x0000000, 0x0000000, 0x000000},
101 {0, 0x0000000, 0x0000000, 0x000000},
102 {0, 0x0000000, 0x0000000, 0x000000},
103 {0, 0x0000000, 0x0000000, 0x000000},
104 {0, 0x0000000, 0x0000000, 0x000000},
105 {0, 0x0000000, 0x0000000, 0x000000},
106 {0, 0x0000000, 0x0000000, 0x000000},
107 {0, 0x0000000, 0x0000000, 0x000000},
108 {0, 0x0000000, 0x0000000, 0x000000},
109 {0, 0x0000000, 0x0000000, 0x000000},
110 {0, 0x0000000, 0x0000000, 0x000000},
111 {0, 0x0000000, 0x0000000, 0x000000},
112 {0, 0x0000000, 0x0000000, 0x000000},
113 {1, 0x0af0000, 0x0af2000, 0x17a000} } },
114 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/
115 {0, 0x0000000, 0x0000000, 0x000000},
116 {0, 0x0000000, 0x0000000, 0x000000},
117 {0, 0x0000000, 0x0000000, 0x000000},
118 {0, 0x0000000, 0x0000000, 0x000000},
119 {0, 0x0000000, 0x0000000, 0x000000},
120 {0, 0x0000000, 0x0000000, 0x000000},
121 {0, 0x0000000, 0x0000000, 0x000000},
122 {0, 0x0000000, 0x0000000, 0x000000},
123 {0, 0x0000000, 0x0000000, 0x000000},
124 {0, 0x0000000, 0x0000000, 0x000000},
125 {0, 0x0000000, 0x0000000, 0x000000},
126 {0, 0x0000000, 0x0000000, 0x000000},
127 {0, 0x0000000, 0x0000000, 0x000000},
128 {0, 0x0000000, 0x0000000, 0x000000},
129 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
130 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
131 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
132 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
133 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
134 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
135 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
136 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
137 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
138 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
139 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
140 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
141 {{{0, 0, 0, 0} } }, /* 23: */
142 {{{0, 0, 0, 0} } }, /* 24: */
143 {{{0, 0, 0, 0} } }, /* 25: */
144 {{{0, 0, 0, 0} } }, /* 26: */
145 {{{0, 0, 0, 0} } }, /* 27: */
146 {{{0, 0, 0, 0} } }, /* 28: */
147 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
148 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
149 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
150 {{{0} } }, /* 32: PCI */
151 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */
152 {1, 0x2110000, 0x2120000, 0x130000},
153 {1, 0x2120000, 0x2122000, 0x124000},
154 {1, 0x2130000, 0x2132000, 0x126000},
155 {1, 0x2140000, 0x2142000, 0x128000},
156 {1, 0x2150000, 0x2152000, 0x12a000},
157 {1, 0x2160000, 0x2170000, 0x110000},
158 {1, 0x2170000, 0x2172000, 0x12e000},
159 {0, 0x0000000, 0x0000000, 0x000000},
160 {0, 0x0000000, 0x0000000, 0x000000},
161 {0, 0x0000000, 0x0000000, 0x000000},
162 {0, 0x0000000, 0x0000000, 0x000000},
163 {0, 0x0000000, 0x0000000, 0x000000},
164 {0, 0x0000000, 0x0000000, 0x000000},
165 {0, 0x0000000, 0x0000000, 0x000000},
166 {0, 0x0000000, 0x0000000, 0x000000} } },
167 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
168 {{{0} } }, /* 35: */
169 {{{0} } }, /* 36: */
170 {{{0} } }, /* 37: */
171 {{{0} } }, /* 38: */
172 {{{0} } }, /* 39: */
173 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
174 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
175 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
176 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
177 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
178 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
179 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
180 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
181 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
182 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
183 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
184 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
185 {{{0} } }, /* 52: */
186 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
187 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
188 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
189 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
190 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
191 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
192 {{{0} } }, /* 59: I2C0 */
193 {{{0} } }, /* 60: I2C1 */
194 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
195 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
196 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */
197};
198
199/*
200 * top 12 bits of crb internal address (hub, agent)
201 */
202static const unsigned crb_hub_agt[64] = {
203 0,
204 QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
205 QLCNIC_HW_CRB_HUB_AGT_ADR_MN,
206 QLCNIC_HW_CRB_HUB_AGT_ADR_MS,
207 0,
208 QLCNIC_HW_CRB_HUB_AGT_ADR_SRE,
209 QLCNIC_HW_CRB_HUB_AGT_ADR_NIU,
210 QLCNIC_HW_CRB_HUB_AGT_ADR_QMN,
211 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN0,
212 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN1,
213 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN2,
214 QLCNIC_HW_CRB_HUB_AGT_ADR_SQN3,
215 QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
216 QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
217 QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
218 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN4,
219 QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
220 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN0,
221 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN1,
222 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN2,
223 QLCNIC_HW_CRB_HUB_AGT_ADR_PGN3,
224 QLCNIC_HW_CRB_HUB_AGT_ADR_PGND,
225 QLCNIC_HW_CRB_HUB_AGT_ADR_PGNI,
226 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS0,
227 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS1,
228 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS2,
229 QLCNIC_HW_CRB_HUB_AGT_ADR_PGS3,
230 0,
231 QLCNIC_HW_CRB_HUB_AGT_ADR_PGSI,
232 QLCNIC_HW_CRB_HUB_AGT_ADR_SN,
233 0,
234 QLCNIC_HW_CRB_HUB_AGT_ADR_EG,
235 0,
236 QLCNIC_HW_CRB_HUB_AGT_ADR_PS,
237 QLCNIC_HW_CRB_HUB_AGT_ADR_CAM,
238 0,
239 0,
240 0,
241 0,
242 0,
243 QLCNIC_HW_CRB_HUB_AGT_ADR_TIMR,
244 0,
245 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX1,
246 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX2,
247 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX3,
248 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX4,
249 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX5,
250 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX6,
251 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX7,
252 QLCNIC_HW_CRB_HUB_AGT_ADR_XDMA,
253 QLCNIC_HW_CRB_HUB_AGT_ADR_I2Q,
254 QLCNIC_HW_CRB_HUB_AGT_ADR_ROMUSB,
255 0,
256 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX0,
257 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX8,
258 QLCNIC_HW_CRB_HUB_AGT_ADR_RPMX9,
259 QLCNIC_HW_CRB_HUB_AGT_ADR_OCM0,
260 0,
261 QLCNIC_HW_CRB_HUB_AGT_ADR_SMB,
262 QLCNIC_HW_CRB_HUB_AGT_ADR_I2C0,
263 QLCNIC_HW_CRB_HUB_AGT_ADR_I2C1,
264 0,
265 QLCNIC_HW_CRB_HUB_AGT_ADR_PGNC,
266 0,
267};
268
269/* PCI Windowing for DDR regions. */
270
271#define QLCNIC_PCIE_SEM_TIMEOUT 10000
272
273int
274qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg)
275{
276 int done = 0, timeout = 0;
277
278 while (!done) {
279 done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)));
280 if (done == 1)
281 break;
65b5b420
AKS		 282 if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) {
283 dev_err(&adapter->pdev->dev,
091754a1
SC		 284 "Failed to acquire sem=%d lock; holdby=%d\n",
285 sem, id_reg ? QLCRD32(adapter, id_reg) : -1);
af19b491 286 return -EIO;
65b5b420 287 }
af19b491
AKS		 288 msleep(1);
289 }
290
291 if (id_reg)
292 QLCWR32(adapter, id_reg, adapter->portnum);
293
294 return 0;
295}
296
297void
298qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem)
299{
300 QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)));
301}
302
303static int
304qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter,
305 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
306{
307 u32 i, producer, consumer;
308 struct qlcnic_cmd_buffer *pbuf;
309 struct cmd_desc_type0 *cmd_desc;
310 struct qlcnic_host_tx_ring *tx_ring;
311
312 i = 0;
313
8a15ad1f 314 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
af19b491
AKS		 315 return -EIO;
316
317 tx_ring = adapter->tx_ring;
318 __netif_tx_lock_bh(tx_ring->txq);
319
320 producer = tx_ring->producer;
321 consumer = tx_ring->sw_consumer;
322
323 if (nr_desc >= qlcnic_tx_avail(tx_ring)) {
324 netif_tx_stop_queue(tx_ring->txq);
ef71ff83
RB		 325 smp_mb();
326 if (qlcnic_tx_avail(tx_ring) > nr_desc) {
327 if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH)
328 netif_tx_wake_queue(tx_ring->txq);
329 } else {
330 adapter->stats.xmit_off++;
331 __netif_tx_unlock_bh(tx_ring->txq);
332 return -EBUSY;
333 }
af19b491
AKS		 334 }
335
336 do {
337 cmd_desc = &cmd_desc_arr[i];
338
339 pbuf = &tx_ring->cmd_buf_arr[producer];
340 pbuf->skb = NULL;
341 pbuf->frag_count = 0;
342
343 memcpy(&tx_ring->desc_head[producer],
344 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
345
346 producer = get_next_index(producer, tx_ring->num_desc);
347 i++;
348
349 } while (i != nr_desc);
350
351 tx_ring->producer = producer;
352
353 qlcnic_update_cmd_producer(adapter, tx_ring);
354
355 __netif_tx_unlock_bh(tx_ring->txq);
356
357 return 0;
358}
359
360static int
361qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
7e56cac4 362 __le16 vlan_id, unsigned op)
af19b491
AKS		 363{
364 struct qlcnic_nic_req req;
365 struct qlcnic_mac_req *mac_req;
7e56cac4 366 struct qlcnic_vlan_req *vlan_req;
af19b491
AKS		 367 u64 word;
368
369 memset(&req, 0, sizeof(struct qlcnic_nic_req));
370 req.qhdr = cpu_to_le64(QLCNIC_REQUEST << 23);
371
372 word = QLCNIC_MAC_EVENT | ((u64)adapter->portnum << 16);
373 req.req_hdr = cpu_to_le64(word);
374
375 mac_req = (struct qlcnic_mac_req *)&req.words[0];
376 mac_req->op = op;
377 memcpy(mac_req->mac_addr, addr, 6);
378
7e56cac4
SC		 379 vlan_req = (struct qlcnic_vlan_req *)&req.words[1];
380 vlan_req->vlan_id = vlan_id;
03c5d770 381
af19b491
AKS		 382 return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
383}
384
215faf9c 385static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr)
af19b491
AKS		 386{
387 struct list_head *head;
388 struct qlcnic_mac_list_s *cur;
389
390 /* look up if already exists */
9ab17b39 391 list_for_each(head, &adapter->mac_list) {
af19b491 392 cur = list_entry(head, struct qlcnic_mac_list_s, list);
9ab17b39 393 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
af19b491 394 return 0;
af19b491
AKS		 395 }
396
397 cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC);
398 if (cur == NULL) {
399 dev_err(&adapter->netdev->dev,
400 "failed to add mac address filter\n");
401 return -ENOMEM;
402 }
403 memcpy(cur->mac_addr, addr, ETH_ALEN);
af19b491 404
42f65cba 405 if (qlcnic_sre_macaddr_change(adapter,
03c5d770 406 cur->mac_addr, 0, QLCNIC_MAC_ADD)) {
42f65cba
AKS		 407 kfree(cur);
408 return -EIO;
409 }
410
411 list_add_tail(&cur->list, &adapter->mac_list);
412 return 0;
af19b491
AKS		 413}
414
415void qlcnic_set_multi(struct net_device *netdev)
416{
417 struct qlcnic_adapter *adapter = netdev_priv(netdev);
22bedad3 418 struct netdev_hw_addr *ha;
215faf9c
JP		 419 static const u8 bcast_addr[ETH_ALEN] = {
420 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
421 };
af19b491 422 u32 mode = VPORT_MISS_MODE_DROP;
af19b491 423
8a15ad1f 424 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
a55cb185
AKS		 425 return;
426
9ab17b39
SC		 427 qlcnic_nic_add_mac(adapter, adapter->mac_addr);
428 qlcnic_nic_add_mac(adapter, bcast_addr);
af19b491
AKS		 429
430 if (netdev->flags & IFF_PROMISC) {
ee07c1a7
RB		 431 if (!(adapter->flags & QLCNIC_PROMISC_DISABLED))
432 mode = VPORT_MISS_MODE_ACCEPT_ALL;
af19b491
AKS		 433 goto send_fw_cmd;
434 }
435
436 if ((netdev->flags & IFF_ALLMULTI) ||
4cd24eaf 437 (netdev_mc_count(netdev) > adapter->max_mc_count)) {
af19b491
AKS		 438 mode = VPORT_MISS_MODE_ACCEPT_MULTI;
439 goto send_fw_cmd;
440 }
441
4cd24eaf 442 if (!netdev_mc_empty(netdev)) {
22bedad3
JP		 443 netdev_for_each_mc_addr(ha, netdev) {
444 qlcnic_nic_add_mac(adapter, ha->addr);
af19b491
AKS		 445 }
446 }
447
448send_fw_cmd:
449 qlcnic_nic_set_promisc(adapter, mode);
af19b491
AKS		 450}
451
452int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
453{
454 struct qlcnic_nic_req req;
455 u64 word;
456
457 memset(&req, 0, sizeof(struct qlcnic_nic_req));
458
459 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
460
b1fc6d3c 461 word = QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE |
af19b491
AKS		 462 ((u64)adapter->portnum << 16);
463 req.req_hdr = cpu_to_le64(word);
464
465 req.words[0] = cpu_to_le64(mode);
466
467 return qlcnic_send_cmd_descs(adapter,
468 (struct cmd_desc_type0 *)&req, 1);
469}
470
471void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
472{
473 struct qlcnic_mac_list_s *cur;
474 struct list_head *head = &adapter->mac_list;
475
476 while (!list_empty(head)) {
477 cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
478 qlcnic_sre_macaddr_change(adapter,
03c5d770 479 cur->mac_addr, 0, QLCNIC_MAC_DEL);
af19b491
AKS		 480 list_del(&cur->list);
481 kfree(cur);
482 }
483}
484
b5e5492c
AKS		 485void qlcnic_prune_lb_filters(struct qlcnic_adapter *adapter)
486{
487 struct qlcnic_filter *tmp_fil;
488 struct hlist_node *tmp_hnode, *n;
489 struct hlist_head *head;
490 int i;
491
492 for (i = 0; i < adapter->fhash.fmax; i++) {
493 head = &(adapter->fhash.fhead[i]);
494
495 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode)
496 {
497 if (jiffies >
498 (QLCNIC_FILTER_AGE * HZ + tmp_fil->ftime)) {
499 qlcnic_sre_macaddr_change(adapter,
03c5d770
AKS		 500 tmp_fil->faddr, tmp_fil->vlan_id,
501 tmp_fil->vlan_id ? QLCNIC_MAC_VLAN_DEL :
502 QLCNIC_MAC_DEL);
b5e5492c
AKS		 503 spin_lock_bh(&adapter->mac_learn_lock);
504 adapter->fhash.fnum--;
505 hlist_del(&tmp_fil->fnode);
506 spin_unlock_bh(&adapter->mac_learn_lock);
507 kfree(tmp_fil);
508 }
509 }
510 }
511}
512
513void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter)
514{
515 struct qlcnic_filter *tmp_fil;
516 struct hlist_node *tmp_hnode, *n;
517 struct hlist_head *head;
518 int i;
519
520 for (i = 0; i < adapter->fhash.fmax; i++) {
521 head = &(adapter->fhash.fhead[i]);
522
523 hlist_for_each_entry_safe(tmp_fil, tmp_hnode, n, head, fnode) {
03c5d770
AKS		 524 qlcnic_sre_macaddr_change(adapter, tmp_fil->faddr,
525 tmp_fil->vlan_id, tmp_fil->vlan_id ?
526 QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL);
b5e5492c
AKS		 527 spin_lock_bh(&adapter->mac_learn_lock);
528 adapter->fhash.fnum--;
529 hlist_del(&tmp_fil->fnode);
530 spin_unlock_bh(&adapter->mac_learn_lock);
531 kfree(tmp_fil);
532 }
533 }
534}
535
af19b491
AKS		 536/*
537 * Send the interrupt coalescing parameter set by ethtool to the card.
538 */
539int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter)
540{
541 struct qlcnic_nic_req req;
8816d009 542 int rv;
af19b491
AKS		 543
544 memset(&req, 0, sizeof(struct qlcnic_nic_req));
545
546 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
547
8816d009
AC		 548 req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE |
549 ((u64) adapter->portnum << 16));
af19b491 550
8816d009
AC		 551 req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32);
552 req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets |
553 ((u64) adapter->ahw->coal.rx_time_us) << 16);
554 req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out |
555 ((u64) adapter->ahw->coal.type) << 32 |
556 ((u64) adapter->ahw->coal.sts_ring_mask) << 40);
af19b491
AKS		 557 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
558 if (rv != 0)
559 dev_err(&adapter->netdev->dev,
560 "Could not send interrupt coalescing parameters\n");
af19b491
AKS		 561 return rv;
562}
563
564int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable)
565{
566 struct qlcnic_nic_req req;
567 u64 word;
568 int rv;
569
b56421d0
RB		 570 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
571 return 0;
572
af19b491
AKS		 573 memset(&req, 0, sizeof(struct qlcnic_nic_req));
574
575 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
576
577 word = QLCNIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16);
578 req.req_hdr = cpu_to_le64(word);
579
580 req.words[0] = cpu_to_le64(enable);
581
582 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
583 if (rv != 0)
584 dev_err(&adapter->netdev->dev,
585 "Could not send configure hw lro request\n");
586
af19b491
AKS		 587 return rv;
588}
589
2e9d722d 590int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
af19b491
AKS		 591{
592 struct qlcnic_nic_req req;
593 u64 word;
594 int rv;
595
596 if (!!(adapter->flags & QLCNIC_BRIDGE_ENABLED) == enable)
597 return 0;
598
599 memset(&req, 0, sizeof(struct qlcnic_nic_req));
600
601 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
602
603 word = QLCNIC_H2C_OPCODE_CONFIG_BRIDGING |
604 ((u64)adapter->portnum << 16);
605 req.req_hdr = cpu_to_le64(word);
606
607 req.words[0] = cpu_to_le64(enable);
608
609 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
610 if (rv != 0)
611 dev_err(&adapter->netdev->dev,
612 "Could not send configure bridge mode request\n");
613
614 adapter->flags ^= QLCNIC_BRIDGE_ENABLED;
615
616 return rv;
617}
618
619
620#define RSS_HASHTYPE_IP_TCP 0x3
621
622int qlcnic_config_rss(struct qlcnic_adapter *adapter, int enable)
623{
624 struct qlcnic_nic_req req;
625 u64 word;
626 int i, rv;
627
215faf9c
JP		 628 static const u64 key[] = {
629 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
630 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
631 0x255b0ec26d5a56daULL
632 };
af19b491
AKS		 633
634 memset(&req, 0, sizeof(struct qlcnic_nic_req));
635 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
636
637 word = QLCNIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16);
638 req.req_hdr = cpu_to_le64(word);
639
640 /*
641 * RSS request:
642 * bits 3-0: hash_method
643 * 5-4: hash_type_ipv4
644 * 7-6: hash_type_ipv6
645 * 8: enable
646 * 9: use indirection table
647 * 47-10: reserved
648 * 63-48: indirection table mask
649 */
650 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
651 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
652 ((u64)(enable & 0x1) << 8) |
653 ((0x7ULL) << 48);
654 req.words[0] = cpu_to_le64(word);
655 for (i = 0; i < 5; i++)
656 req.words[i+1] = cpu_to_le64(key[i]);
657
658 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
659 if (rv != 0)
660 dev_err(&adapter->netdev->dev, "could not configure RSS\n");
661
662 return rv;
663}
664
b501595c 665int qlcnic_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int cmd)
af19b491
AKS		 666{
667 struct qlcnic_nic_req req;
b501595c 668 struct qlcnic_ipaddr *ipa;
af19b491
AKS		 669 u64 word;
670 int rv;
671
672 memset(&req, 0, sizeof(struct qlcnic_nic_req));
673 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
674
675 word = QLCNIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16);
676 req.req_hdr = cpu_to_le64(word);
677
678 req.words[0] = cpu_to_le64(cmd);
b501595c
SC		 679 ipa = (struct qlcnic_ipaddr *)&req.words[1];
680 ipa->ipv4 = ip;
af19b491
AKS		 681
682 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
683 if (rv != 0)
684 dev_err(&adapter->netdev->dev,
685 "could not notify %s IP 0x%x reuqest\n",
686 (cmd == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
687
688 return rv;
689}
690
691int qlcnic_linkevent_request(struct qlcnic_adapter *adapter, int enable)
692{
693 struct qlcnic_nic_req req;
694 u64 word;
695 int rv;
696
697 memset(&req, 0, sizeof(struct qlcnic_nic_req));
698 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
699
700 word = QLCNIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16);
701 req.req_hdr = cpu_to_le64(word);
702 req.words[0] = cpu_to_le64(enable | (enable << 8));
703
704 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
705 if (rv != 0)
706 dev_err(&adapter->netdev->dev,
707 "could not configure link notification\n");
708
709 return rv;
710}
711
712int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter)
713{
714 struct qlcnic_nic_req req;
715 u64 word;
716 int rv;
717
b56421d0
RB		 718 if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state))
719 return 0;
720
af19b491
AKS		 721 memset(&req, 0, sizeof(struct qlcnic_nic_req));
722 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
723
724 word = QLCNIC_H2C_OPCODE_LRO_REQUEST |
725 ((u64)adapter->portnum << 16) |
726 ((u64)QLCNIC_LRO_REQUEST_CLEANUP << 56) ;
727
728 req.req_hdr = cpu_to_le64(word);
729
730 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
731 if (rv != 0)
732 dev_err(&adapter->netdev->dev,
733 "could not cleanup lro flows\n");
734
735 return rv;
736}
737
738/*
739 * qlcnic_change_mtu - Change the Maximum Transfer Unit
740 * @returns 0 on success, negative on failure
741 */
742
743int qlcnic_change_mtu(struct net_device *netdev, int mtu)
744{
745 struct qlcnic_adapter *adapter = netdev_priv(netdev);
746 int rc = 0;
747
ff1b1bf8 748 if (mtu < P3P_MIN_MTU || mtu > P3P_MAX_MTU) {
0bd9e6a9 749 dev_err(&adapter->netdev->dev, "%d bytes < mtu < %d bytes"
ff1b1bf8 750 " not supported\n", P3P_MAX_MTU, P3P_MIN_MTU);
af19b491
AKS		 751 return -EINVAL;
752 }
753
754 rc = qlcnic_fw_cmd_set_mtu(adapter, mtu);
755
756 if (!rc)
757 netdev->mtu = mtu;
758
759 return rc;
760}
761
135d84a9
MM		 762
763u32 qlcnic_fix_features(struct net_device *netdev, u32 features)
764{
765 struct qlcnic_adapter *adapter = netdev_priv(netdev);
766
767 if ((adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
768 u32 changed = features ^ netdev->features;
769 features ^= changed & (NETIF_F_ALL_CSUM | NETIF_F_RXCSUM);
770 }
771
772 if (!(features & NETIF_F_RXCSUM))
773 features &= ~NETIF_F_LRO;
774
775 return features;
776}
777
778
779int qlcnic_set_features(struct net_device *netdev, u32 features)
780{
781 struct qlcnic_adapter *adapter = netdev_priv(netdev);
782 u32 changed = netdev->features ^ features;
783 int hw_lro = (features & NETIF_F_LRO) ? QLCNIC_LRO_ENABLED : 0;
784
785 if (!(changed & NETIF_F_LRO))
786 return 0;
787
788 netdev->features = features ^ NETIF_F_LRO;
789
790 if (qlcnic_config_hw_lro(adapter, hw_lro))
791 return -EIO;
792
793 if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
794 return -EIO;
795
796 return 0;
797}
798
af19b491
AKS		 799/*
800 * Changes the CRB window to the specified window.
801 */
802 /* Returns < 0 if off is not valid,
803 * 1 if window access is needed. 'off' is set to offset from
804 * CRB space in 128M pci map
805 * 0 if no window access is needed. 'off' is set to 2M addr
806 * In: 'off' is offset from base in 128M pci map
807 */
808static int
809qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter,
810 ulong off, void __iomem **addr)
811{
812 const struct crb_128M_2M_sub_block_map *m;
813
814 if ((off >= QLCNIC_CRB_MAX) || (off < QLCNIC_PCI_CRBSPACE))
815 return -EINVAL;
816
817 off -= QLCNIC_PCI_CRBSPACE;
818
819 /*
820 * Try direct map
821 */
822 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)];
823
824 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) {
b1fc6d3c 825 *addr = adapter->ahw->pci_base0 + m->start_2M +
af19b491
AKS		 826 (off - m->start_128M);
827 return 0;
828 }
829
830 /*
831 * Not in direct map, use crb window
832 */
b1fc6d3c 833 *addr = adapter->ahw->pci_base0 + CRB_INDIRECT_2M + (off & MASK(16));
af19b491
AKS		 834 return 1;
835}
836
837/*
838 * In: 'off' is offset from CRB space in 128M pci map
839 * Out: 'off' is 2M pci map addr
840 * side effect: lock crb window
841 */
4de57826 842static int
af19b491
AKS		 843qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off)
844{
845 u32 window;
b1fc6d3c 846 void __iomem *addr = adapter->ahw->pci_base0 + CRB_WINDOW_2M;
af19b491
AKS		 847
848 off -= QLCNIC_PCI_CRBSPACE;
849
850 window = CRB_HI(off);
4de57826
AKS		 851 if (window == 0) {
852 dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off);
853 return -EIO;
854 }
af19b491 855
af19b491
AKS		 856 writel(window, addr);
857 if (readl(addr) != window) {
858 if (printk_ratelimit())
859 dev_warn(&adapter->pdev->dev,
860 "failed to set CRB window to %d off 0x%lx\n",
861 window, off);
4de57826 862 return -EIO;
af19b491 863 }
4de57826 864 return 0;
af19b491
AKS		 865}
866
867int
868qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data)
869{
870 unsigned long flags;
871 int rv;
872 void __iomem *addr = NULL;
873
874 rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
875
876 if (rv == 0) {
877 writel(data, addr);
878 return 0;
879 }
880
881 if (rv > 0) {
882 /* indirect access */
b1fc6d3c 883 write_lock_irqsave(&adapter->ahw->crb_lock, flags);
af19b491 884 crb_win_lock(adapter);
4de57826
AKS		 885 rv = qlcnic_pci_set_crbwindow_2M(adapter, off);
886 if (!rv)
887 writel(data, addr);
af19b491 888 crb_win_unlock(adapter);
b1fc6d3c 889 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags);
4de57826 890 return rv;
af19b491
AKS		 891 }
892
893 dev_err(&adapter->pdev->dev,
894 "%s: invalid offset: 0x%016lx\n", __func__, off);
895 dump_stack();
896 return -EIO;
897}
898
899u32
900qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off)
901{
902 unsigned long flags;
903 int rv;
4de57826 904 u32 data = -1;
af19b491
AKS		 905 void __iomem *addr = NULL;
906
907 rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr);
908
909 if (rv == 0)
910 return readl(addr);
911
912 if (rv > 0) {
913 /* indirect access */
b1fc6d3c 914 write_lock_irqsave(&adapter->ahw->crb_lock, flags);
af19b491 915 crb_win_lock(adapter);
4de57826
AKS		 916 if (!qlcnic_pci_set_crbwindow_2M(adapter, off))
917 data = readl(addr);
af19b491 918 crb_win_unlock(adapter);
b1fc6d3c 919 write_unlock_irqrestore(&adapter->ahw->crb_lock, flags);
af19b491
AKS		 920 return data;
921 }
922
923 dev_err(&adapter->pdev->dev,
924 "%s: invalid offset: 0x%016lx\n", __func__, off);
925 dump_stack();
926 return -1;
927}
928
929
930void __iomem *
931qlcnic_get_ioaddr(struct qlcnic_adapter *adapter, u32 offset)
932{
933 void __iomem *addr = NULL;
934
935 WARN_ON(qlcnic_pci_get_crb_addr_2M(adapter, offset, &addr));
936
937 return addr;
938}
939
940
941static int
942qlcnic_pci_set_window_2M(struct qlcnic_adapter *adapter,
943 u64 addr, u32 *start)
944{
945 u32 window;
af19b491
AKS		 946
947 window = OCM_WIN_P3P(addr);
948
b1fc6d3c 949 writel(window, adapter->ahw->ocm_win_crb);
af19b491 950 /* read back to flush */
b1fc6d3c 951 readl(adapter->ahw->ocm_win_crb);
af19b491 952
af19b491
AKS		 953 *start = QLCNIC_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr);
954 return 0;
955}
956
957static int
958qlcnic_pci_mem_access_direct(struct qlcnic_adapter *adapter, u64 off,
959 u64 *data, int op)
960{
0c39aa48 961 void __iomem *addr;
af19b491
AKS		 962 int ret;
963 u32 start;
964
b1fc6d3c 965 mutex_lock(&adapter->ahw->mem_lock);
af19b491
AKS		 966
967 ret = qlcnic_pci_set_window_2M(adapter, off, &start);
968 if (ret != 0)
969 goto unlock;
970
b1fc6d3c 971 addr = adapter->ahw->pci_base0 + start;
af19b491 972
af19b491
AKS		 973 if (op == 0) /* read */
974 *data = readq(addr);
975 else /* write */
976 writeq(*data, addr);
977
978unlock:
b1fc6d3c 979 mutex_unlock(&adapter->ahw->mem_lock);
af19b491 980
af19b491
AKS		 981 return ret;
982}
983
897e8c7c
DP		 984void
985qlcnic_pci_camqm_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data)
986{
b1fc6d3c 987 void __iomem *addr = adapter->ahw->pci_base0 +
897e8c7c
DP		 988 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
989
b1fc6d3c 990 mutex_lock(&adapter->ahw->mem_lock);
897e8c7c 991 *data = readq(addr);
b1fc6d3c 992 mutex_unlock(&adapter->ahw->mem_lock);
897e8c7c
DP		 993}
994
995void
996qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *adapter, u64 off, u64 data)
997{
b1fc6d3c 998 void __iomem *addr = adapter->ahw->pci_base0 +
897e8c7c
DP		 999 QLCNIC_PCI_CAMQM_2M_BASE + (off - QLCNIC_PCI_CAMQM);
1000
b1fc6d3c 1001 mutex_lock(&adapter->ahw->mem_lock);
897e8c7c 1002 writeq(data, addr);
b1fc6d3c 1003 mutex_unlock(&adapter->ahw->mem_lock);
897e8c7c
DP		 1004}
1005
af19b491
AKS		 1006#define MAX_CTL_CHECK 1000
1007
1008int
1009qlcnic_pci_mem_write_2M(struct qlcnic_adapter *adapter,
1010 u64 off, u64 data)
1011{
1012 int i, j, ret;
1013 u32 temp, off8;
af19b491
AKS		 1014 void __iomem *mem_crb;
1015
1016 /* Only 64-bit aligned access */
1017 if (off & 7)
1018 return -EIO;
1019
1020 /* P3 onward, test agent base for MIU and SIU is same */
1021 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
b47acacd 1022 QLCNIC_ADDR_QDR_NET_MAX)) {
af19b491
AKS		 1023 mem_crb = qlcnic_get_ioaddr(adapter,
1024 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1025 goto correct;
1026 }
1027
1028 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
1029 mem_crb = qlcnic_get_ioaddr(adapter,
1030 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1031 goto correct;
1032 }
1033
1034 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX))
1035 return qlcnic_pci_mem_access_direct(adapter, off, &data, 1);
1036
1037 return -EIO;
1038
1039correct:
b47acacd 1040 off8 = off & ~0xf;
af19b491 1041
b1fc6d3c 1042 mutex_lock(&adapter->ahw->mem_lock);
af19b491
AKS		 1043
1044 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1045 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1046
1047 i = 0;
b47acacd
DP		 1048 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1049 writel((TA_CTL_START | TA_CTL_ENABLE),
1050 (mem_crb + TEST_AGT_CTRL));
af19b491 1051
b47acacd
DP		 1052 for (j = 0; j < MAX_CTL_CHECK; j++) {
1053 temp = readl(mem_crb + TEST_AGT_CTRL);
1054 if ((temp & TA_CTL_BUSY) == 0)
1055 break;
1056 }
af19b491 1057
b47acacd
DP		 1058 if (j >= MAX_CTL_CHECK) {
1059 ret = -EIO;
1060 goto done;
af19b491
AKS		 1061 }
1062
b47acacd
DP		 1063 i = (off & 0xf) ? 0 : 2;
1064 writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i)),
1065 mem_crb + MIU_TEST_AGT_WRDATA(i));
1066 writel(readl(mem_crb + MIU_TEST_AGT_RDDATA(i+1)),
1067 mem_crb + MIU_TEST_AGT_WRDATA(i+1));
1068 i = (off & 0xf) ? 2 : 0;
1069
af19b491
AKS		 1070 writel(data & 0xffffffff,
1071 mem_crb + MIU_TEST_AGT_WRDATA(i));
1072 writel((data >> 32) & 0xffffffff,
1073 mem_crb + MIU_TEST_AGT_WRDATA(i+1));
1074
1075 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL));
1076 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE),
1077 (mem_crb + TEST_AGT_CTRL));
1078
1079 for (j = 0; j < MAX_CTL_CHECK; j++) {
1080 temp = readl(mem_crb + TEST_AGT_CTRL);
1081 if ((temp & TA_CTL_BUSY) == 0)
1082 break;
1083 }
1084
1085 if (j >= MAX_CTL_CHECK) {
1086 if (printk_ratelimit())
1087 dev_err(&adapter->pdev->dev,
1088 "failed to write through agent\n");
1089 ret = -EIO;
1090 } else
1091 ret = 0;
1092
1093done:
b1fc6d3c 1094 mutex_unlock(&adapter->ahw->mem_lock);
af19b491
AKS		 1095
1096 return ret;
1097}
1098
1099int
1100qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter,
1101 u64 off, u64 *data)
1102{
1103 int j, ret;
1104 u32 temp, off8;
b47acacd 1105 u64 val;
af19b491
AKS		 1106 void __iomem *mem_crb;
1107
1108 /* Only 64-bit aligned access */
1109 if (off & 7)
1110 return -EIO;
1111
1112 /* P3 onward, test agent base for MIU and SIU is same */
1113 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_QDR_NET,
b47acacd 1114 QLCNIC_ADDR_QDR_NET_MAX)) {
af19b491
AKS		 1115 mem_crb = qlcnic_get_ioaddr(adapter,
1116 QLCNIC_CRB_QDR_NET+MIU_TEST_AGT_BASE);
1117 goto correct;
1118 }
1119
1120 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)) {
1121 mem_crb = qlcnic_get_ioaddr(adapter,
1122 QLCNIC_CRB_DDR_NET+MIU_TEST_AGT_BASE);
1123 goto correct;
1124 }
1125
1126 if (ADDR_IN_RANGE(off, QLCNIC_ADDR_OCM0, QLCNIC_ADDR_OCM0_MAX)) {
1127 return qlcnic_pci_mem_access_direct(adapter,
1128 off, data, 0);
1129 }
1130
1131 return -EIO;
1132
1133correct:
b47acacd 1134 off8 = off & ~0xf;
af19b491 1135
b1fc6d3c 1136 mutex_lock(&adapter->ahw->mem_lock);
af19b491
AKS		 1137
1138 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
1139 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
1140 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL));
1141 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL));
1142
1143 for (j = 0; j < MAX_CTL_CHECK; j++) {
1144 temp = readl(mem_crb + TEST_AGT_CTRL);
1145 if ((temp & TA_CTL_BUSY) == 0)
1146 break;
1147 }
1148
1149 if (j >= MAX_CTL_CHECK) {
1150 if (printk_ratelimit())
1151 dev_err(&adapter->pdev->dev,
1152 "failed to read through agent\n");
1153 ret = -EIO;
1154 } else {
1155 off8 = MIU_TEST_AGT_RDDATA_LO;
b47acacd 1156 if (off & 0xf)
af19b491
AKS		 1157 off8 = MIU_TEST_AGT_RDDATA_UPPER_LO;
1158
1159 temp = readl(mem_crb + off8 + 4);
1160 val = (u64)temp << 32;
1161 val |= readl(mem_crb + off8);
1162 *data = val;
1163 ret = 0;
1164 }
1165
b1fc6d3c 1166 mutex_unlock(&adapter->ahw->mem_lock);
af19b491
AKS		 1167
1168 return ret;
1169}
1170
1171int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
1172{
1173 int offset, board_type, magic;
1174 struct pci_dev *pdev = adapter->pdev;
1175
1176 offset = QLCNIC_FW_MAGIC_OFFSET;
1177 if (qlcnic_rom_fast_read(adapter, offset, &magic))
1178 return -EIO;
1179
1180 if (magic != QLCNIC_BDINFO_MAGIC) {
1181 dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
1182 magic);
1183 return -EIO;
1184 }
1185
1186 offset = QLCNIC_BRDTYPE_OFFSET;
1187 if (qlcnic_rom_fast_read(adapter, offset, &board_type))
1188 return -EIO;
1189
b1fc6d3c 1190 adapter->ahw->board_type = board_type;
af19b491 1191
ff1b1bf8 1192 if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) {
af19b491
AKS		 1193 u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I);
1194 if ((gpio & 0x8000) == 0)
ff1b1bf8 1195 board_type = QLCNIC_BRDTYPE_P3P_10G_TP;
af19b491
AKS		 1196 }
1197
1198 switch (board_type) {
ff1b1bf8
SV		 1199 case QLCNIC_BRDTYPE_P3P_HMEZ:
1200 case QLCNIC_BRDTYPE_P3P_XG_LOM:
1201 case QLCNIC_BRDTYPE_P3P_10G_CX4:
1202 case QLCNIC_BRDTYPE_P3P_10G_CX4_LP:
1203 case QLCNIC_BRDTYPE_P3P_IMEZ:
1204 case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS:
1205 case QLCNIC_BRDTYPE_P3P_10G_SFP_CT:
1206 case QLCNIC_BRDTYPE_P3P_10G_SFP_QT:
1207 case QLCNIC_BRDTYPE_P3P_10G_XFP:
1208 case QLCNIC_BRDTYPE_P3P_10000_BASE_T:
b1fc6d3c 1209 adapter->ahw->port_type = QLCNIC_XGBE;
af19b491 1210 break;
ff1b1bf8
SV		 1211 case QLCNIC_BRDTYPE_P3P_REF_QG:
1212 case QLCNIC_BRDTYPE_P3P_4_GB:
1213 case QLCNIC_BRDTYPE_P3P_4_GB_MM:
b1fc6d3c 1214 adapter->ahw->port_type = QLCNIC_GBE;
af19b491 1215 break;
ff1b1bf8 1216 case QLCNIC_BRDTYPE_P3P_10G_TP:
b1fc6d3c 1217 adapter->ahw->port_type = (adapter->portnum < 2) ?
af19b491
AKS		 1218 QLCNIC_XGBE : QLCNIC_GBE;
1219 break;
1220 default:
1221 dev_err(&pdev->dev, "unknown board type %x\n", board_type);
b1fc6d3c 1222 adapter->ahw->port_type = QLCNIC_XGBE;
af19b491
AKS		 1223 break;
1224 }
1225
1226 return 0;
1227}
1228
1229int
1230qlcnic_wol_supported(struct qlcnic_adapter *adapter)
1231{
1232 u32 wol_cfg;
1233
1234 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV);
1235 if (wol_cfg & (1UL << adapter->portnum)) {
1236 wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG);
1237 if (wol_cfg & (1 << adapter->portnum))
1238 return 1;
1239 }
1240
1241 return 0;
1242}
897d3596
SC		 1243
1244int qlcnic_config_led(struct qlcnic_adapter *adapter, u32 state, u32 rate)
1245{
1246 struct qlcnic_nic_req req;
1247 int rv;
1248 u64 word;
1249
1250 memset(&req, 0, sizeof(struct qlcnic_nic_req));
1251 req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
1252
1253 word = QLCNIC_H2C_OPCODE_CONFIG_LED | ((u64)adapter->portnum << 16);
1254 req.req_hdr = cpu_to_le64(word);
1255
1256 req.words[0] = cpu_to_le64((u64)rate << 32);
1257 req.words[1] = cpu_to_le64(state);
1258
1259 rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
1260 if (rv)
1261 dev_err(&adapter->pdev->dev, "LED configuration failed.\n");
1262
1263 return rv;
1264}
18f2f616
AC		 1265
1266/* FW dump related functions */
1267static u32
1268qlcnic_dump_crb(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
1269 u32 *buffer)
1270{
1271 int i;
1272 u32 addr, data;
1273 struct __crb *crb = &entry->region.crb;
1274 void __iomem *base = adapter->ahw->pci_base0;
1275
1276 addr = crb->addr;
1277
1278 for (i = 0; i < crb->no_ops; i++) {
1279 QLCNIC_RD_DUMP_REG(addr, base, &data);
1280 *buffer++ = cpu_to_le32(addr);
1281 *buffer++ = cpu_to_le32(data);
1282 addr += crb->stride;
1283 }
1284 return crb->no_ops * 2 * sizeof(u32);
1285}
1286
1287static u32
1288qlcnic_dump_ctrl(struct qlcnic_adapter *adapter,
1289 struct qlcnic_dump_entry *entry, u32 *buffer)
1290{
1291 int i, k, timeout = 0;
1292 void __iomem *base = adapter->ahw->pci_base0;
1293 u32 addr, data;
1294 u8 opcode, no_ops;
1295 struct __ctrl *ctr = &entry->region.ctrl;
1296 struct qlcnic_dump_template_hdr *t_hdr = adapter->ahw->fw_dump.tmpl_hdr;
1297
1298 addr = ctr->addr;
1299 no_ops = ctr->no_ops;
1300
1301 for (i = 0; i < no_ops; i++) {
1302 k = 0;
1303 opcode = 0;
1304 for (k = 0; k < 8; k++) {
1305 if (!(ctr->opcode & (1 << k)))
1306 continue;
1307 switch (1 << k) {
1308 case QLCNIC_DUMP_WCRB:
1309 QLCNIC_WR_DUMP_REG(addr, base, ctr->val1);
1310 break;
1311 case QLCNIC_DUMP_RWCRB:
1312 QLCNIC_RD_DUMP_REG(addr, base, &data);
1313 QLCNIC_WR_DUMP_REG(addr, base, data);
1314 break;
1315 case QLCNIC_DUMP_ANDCRB:
1316 QLCNIC_RD_DUMP_REG(addr, base, &data);
1317 QLCNIC_WR_DUMP_REG(addr, base,
1318 (data & ctr->val2));
1319 break;
1320 case QLCNIC_DUMP_ORCRB:
1321 QLCNIC_RD_DUMP_REG(addr, base, &data);
1322 QLCNIC_WR_DUMP_REG(addr, base,
1323 (data | ctr->val3));
1324 break;
1325 case QLCNIC_DUMP_POLLCRB:
1326 while (timeout <= ctr->timeout) {
1327 QLCNIC_RD_DUMP_REG(addr, base, &data);
1328 if ((data & ctr->val2) == ctr->val1)
1329 break;
1330 msleep(1);
1331 timeout++;
1332 }
1333 if (timeout > ctr->timeout) {
1334 dev_info(&adapter->pdev->dev,
1335 "Timed out, aborting poll CRB\n");
1336 return -EINVAL;
1337 }
1338 break;
1339 case QLCNIC_DUMP_RD_SAVE:
1340 if (ctr->index_a)
1341 addr = t_hdr->saved_state[ctr->index_a];
1342 QLCNIC_RD_DUMP_REG(addr, base, &data);
1343 t_hdr->saved_state[ctr->index_v] = data;
1344 break;
1345 case QLCNIC_DUMP_WRT_SAVED:
1346 if (ctr->index_v)
1347 data = t_hdr->saved_state[ctr->index_v];
1348 else
1349 data = ctr->val1;
1350 if (ctr->index_a)
1351 addr = t_hdr->saved_state[ctr->index_a];
1352 QLCNIC_WR_DUMP_REG(addr, base, data);
1353 break;
1354 case QLCNIC_DUMP_MOD_SAVE_ST:
1355 data = t_hdr->saved_state[ctr->index_v];
1356 data <<= ctr->shl_val;
1357 data >>= ctr->shr_val;
1358 if (ctr->val2)
1359 data &= ctr->val2;
1360 data |= ctr->val3;
1361 data += ctr->val1;
1362 t_hdr->saved_state[ctr->index_v] = data;
1363 break;
1364 default:
1365 dev_info(&adapter->pdev->dev,
1366 "Unknown opcode\n");
1367 break;
1368 }
1369 }
1370 addr += ctr->stride;
1371 }
1372 return 0;
1373}
1374
1375static u32
1376qlcnic_dump_mux(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
1377 u32 *buffer)
1378{
1379 int loop;
1380 u32 val, data = 0;
1381 struct __mux *mux = &entry->region.mux;
1382 void __iomem *base = adapter->ahw->pci_base0;
1383
1384 val = mux->val;
1385 for (loop = 0; loop < mux->no_ops; loop++) {
1386 QLCNIC_WR_DUMP_REG(mux->addr, base, val);
1387 QLCNIC_RD_DUMP_REG(mux->read_addr, base, &data);
1388 *buffer++ = cpu_to_le32(val);
1389 *buffer++ = cpu_to_le32(data);
1390 val += mux->val_stride;
1391 }
1392 return 2 * mux->no_ops * sizeof(u32);
1393}
1394
1395static u32
1396qlcnic_dump_que(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
1397 u32 *buffer)
1398{
1399 int i, loop;
1400 u32 cnt, addr, data, que_id = 0;
1401 void __iomem *base = adapter->ahw->pci_base0;
1402 struct __queue *que = &entry->region.que;
1403
1404 addr = que->read_addr;
1405 cnt = que->read_addr_cnt;
1406
1407 for (loop = 0; loop < que->no_ops; loop++) {
1408 QLCNIC_WR_DUMP_REG(que->sel_addr, base, que_id);
1409 for (i = 0; i < cnt; i++) {
1410 QLCNIC_RD_DUMP_REG(addr, base, &data);
1411 *buffer++ = cpu_to_le32(data);
1412 addr += que->read_addr_stride;
1413 }
1414 que_id += que->stride;
1415 }
1416 return que->no_ops * cnt * sizeof(u32);
1417}
1418
1419static u32
1420qlcnic_dump_ocm(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
1421 u32 *buffer)
1422{
1423 int i;
1424 u32 data;
1425 void __iomem *addr;
1426 struct __ocm *ocm = &entry->region.ocm;
1427
1428 addr = adapter->ahw->pci_base0 + ocm->read_addr;
1429 for (i = 0; i < ocm->no_ops; i++) {
1430 data = readl(addr);
1431 *buffer++ = cpu_to_le32(data);
1432 addr += ocm->read_addr_stride;
1433 }
1434 return ocm->no_ops * sizeof(u32);
1435}
1436
1437static u32
1438qlcnic_read_rom(struct qlcnic_adapter *adapter, struct qlcnic_dump_entry *entry,
1439 u32 *buffer)
1440{
1441 int i, count = 0;
1442 u32 fl_addr, size, val, lck_val, addr;
1443 struct __mem *rom = &entry->region.mem;
1444 void __iomem *base = adapter->ahw->pci_base0;
1445
1446 fl_addr = rom->addr;
1447 size = rom->size/4;
1448lock_try:
1449 lck_val = readl(base + QLCNIC_FLASH_SEM2_LK);
1450 if (!lck_val && count < MAX_CTL_CHECK) {
1451 msleep(10);
1452 count++;
1453 goto lock_try;
1454 }
1455 writel(adapter->ahw->pci_func, (base + QLCNIC_FLASH_LOCK_ID));
1456 for (i = 0; i < size; i++) {
1457 addr = fl_addr & 0xFFFF0000;
1458 QLCNIC_WR_DUMP_REG(FLASH_ROM_WINDOW, base, addr);
1459 addr = LSW(fl_addr) + FLASH_ROM_DATA;
1460 QLCNIC_RD_DUMP_REG(addr, base, &val);
1461 fl_addr += 4;
1462 *buffer++ = cpu_to_le32(val);
1463 }
1464 readl(base + QLCNIC_FLASH_SEM2_ULK);
1465 return rom->size;
1466}
1467
1468static u32
1469qlcnic_dump_l1_cache(struct qlcnic_adapter *adapter,
1470 struct qlcnic_dump_entry *entry, u32 *buffer)
1471{
1472 int i;
1473 u32 cnt, val, data, addr;
1474 void __iomem *base = adapter->ahw->pci_base0;
1475 struct __cache *l1 = &entry->region.cache;
1476
1477 val = l1->init_tag_val;
1478
1479 for (i = 0; i < l1->no_ops; i++) {
1480 QLCNIC_WR_DUMP_REG(l1->addr, base, val);
1481 QLCNIC_WR_DUMP_REG(l1->ctrl_addr, base, LSW(l1->ctrl_val));
1482 addr = l1->read_addr;
1483 cnt = l1->read_addr_num;
1484 while (cnt) {
1485 QLCNIC_RD_DUMP_REG(addr, base, &data);
1486 *buffer++ = cpu_to_le32(data);
1487 addr += l1->read_addr_stride;
1488 cnt--;
1489 }
1490 val += l1->stride;
1491 }
1492 return l1->no_ops * l1->read_addr_num * sizeof(u32);
1493}
1494
1495static u32
1496qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter,
1497 struct qlcnic_dump_entry *entry, u32 *buffer)
1498{
1499 int i;
1500 u32 cnt, val, data, addr;
1501 u8 poll_mask, poll_to, time_out = 0;
1502 void __iomem *base = adapter->ahw->pci_base0;
1503 struct __cache *l2 = &entry->region.cache;
1504
1505 val = l2->init_tag_val;
1506 poll_mask = LSB(MSW(l2->ctrl_val));
1507 poll_to = MSB(MSW(l2->ctrl_val));
1508
1509 for (i = 0; i < l2->no_ops; i++) {
1510 QLCNIC_WR_DUMP_REG(l2->addr, base, val);
1511 do {
1512 QLCNIC_WR_DUMP_REG(l2->ctrl_addr, base,
1513 LSW(l2->ctrl_val));
1514 QLCNIC_RD_DUMP_REG(l2->ctrl_addr, base, &data);
1515 if (!(data & poll_mask))
1516 break;
1517 msleep(1);
1518 time_out++;
1519 } while (time_out <= poll_to);
1520 if (time_out > poll_to)
1521 return -EINVAL;
1522
1523 addr = l2->read_addr;
1524 cnt = l2->read_addr_num;
1525 while (cnt) {
1526 QLCNIC_RD_DUMP_REG(addr, base, &data);
1527 *buffer++ = cpu_to_le32(data);
1528 addr += l2->read_addr_stride;
1529 cnt--;
1530 }
1531 val += l2->stride;
1532 }
1533 return l2->no_ops * l2->read_addr_num * sizeof(u32);
1534}
1535
1536static u32
1537qlcnic_read_memory(struct qlcnic_adapter *adapter,
1538 struct qlcnic_dump_entry *entry, u32 *buffer)
1539{
1540 u32 addr, data, test, ret = 0;
1541 int i, reg_read;
1542 struct __mem *mem = &entry->region.mem;
1543 void __iomem *base = adapter->ahw->pci_base0;
1544
1545 reg_read = mem->size;
1546 addr = mem->addr;
1547 /* check for data size of multiple of 16 and 16 byte alignment */
1548 if ((addr & 0xf) || (reg_read%16)) {
1549 dev_info(&adapter->pdev->dev,
1550 "Unaligned memory addr:0x%x size:0x%x\n",
1551 addr, reg_read);
1552 return -EINVAL;
1553 }
1554
1555 mutex_lock(&adapter->ahw->mem_lock);
1556
1557 while (reg_read != 0) {
1558 QLCNIC_WR_DUMP_REG(MIU_TEST_ADDR_LO, base, addr);
1559 QLCNIC_WR_DUMP_REG(MIU_TEST_ADDR_HI, base, 0);
1560 QLCNIC_WR_DUMP_REG(MIU_TEST_CTR, base,
1561 TA_CTL_ENABLE | TA_CTL_START);
1562
1563 for (i = 0; i < MAX_CTL_CHECK; i++) {
1564 QLCNIC_RD_DUMP_REG(MIU_TEST_CTR, base, &test);
1565 if (!(test & TA_CTL_BUSY))
1566 break;
1567 }
1568 if (i == MAX_CTL_CHECK) {
1569 if (printk_ratelimit()) {
1570 dev_err(&adapter->pdev->dev,
1571 "failed to read through agent\n");
1572 ret = -EINVAL;
1573 goto out;
1574 }
1575 }
1576 for (i = 0; i < 4; i++) {
1577 QLCNIC_RD_DUMP_REG(MIU_TEST_READ_DATA[i], base, &data);
1578 *buffer++ = cpu_to_le32(data);
1579 }
1580 addr += 16;
1581 reg_read -= 16;
1582 ret += 16;
1583 }
1584out:
1585 mutex_unlock(&adapter->ahw->mem_lock);
1586 return mem->size;
1587}
1588
1589static u32
1590qlcnic_dump_nop(struct qlcnic_adapter *adapter,
1591 struct qlcnic_dump_entry *entry, u32 *buffer)
1592{
1593 entry->hdr.flags |= QLCNIC_DUMP_SKIP;
1594 return 0;
1595}
1596
1597struct qlcnic_dump_operations fw_dump_ops[] = {
1598 { QLCNIC_DUMP_NOP, qlcnic_dump_nop },
1599 { QLCNIC_DUMP_READ_CRB, qlcnic_dump_crb },
1600 { QLCNIC_DUMP_READ_MUX, qlcnic_dump_mux },
1601 { QLCNIC_DUMP_QUEUE, qlcnic_dump_que },
1602 { QLCNIC_DUMP_BRD_CONFIG, qlcnic_read_rom },
1603 { QLCNIC_DUMP_READ_OCM, qlcnic_dump_ocm },
1604 { QLCNIC_DUMP_PEG_REG, qlcnic_dump_ctrl },
1605 { QLCNIC_DUMP_L1_DTAG, qlcnic_dump_l1_cache },
1606 { QLCNIC_DUMP_L1_ITAG, qlcnic_dump_l1_cache },
1607 { QLCNIC_DUMP_L1_DATA, qlcnic_dump_l1_cache },
1608 { QLCNIC_DUMP_L1_INST, qlcnic_dump_l1_cache },
1609 { QLCNIC_DUMP_L2_DTAG, qlcnic_dump_l2_cache },
1610 { QLCNIC_DUMP_L2_ITAG, qlcnic_dump_l2_cache },
1611 { QLCNIC_DUMP_L2_DATA, qlcnic_dump_l2_cache },
1612 { QLCNIC_DUMP_L2_INST, qlcnic_dump_l2_cache },
1613 { QLCNIC_DUMP_READ_ROM, qlcnic_read_rom },
1614 { QLCNIC_DUMP_READ_MEM, qlcnic_read_memory },
1615 { QLCNIC_DUMP_READ_CTRL, qlcnic_dump_ctrl },
1616 { QLCNIC_DUMP_TLHDR, qlcnic_dump_nop },
1617 { QLCNIC_DUMP_RDEND, qlcnic_dump_nop },
1618};
1619
1620/* Walk the template and collect dump for each entry in the dump template */
1621static int
1622qlcnic_valid_dump_entry(struct device *dev, struct qlcnic_dump_entry *entry,
1623 u32 size)
1624{
1625 int ret = 1;
1626 if (size != entry->hdr.cap_size) {
1627 dev_info(dev,
1628 "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n",
1629 entry->hdr.type, entry->hdr.mask, size, entry->hdr.cap_size);
1630 dev_info(dev, "Aborting further dump capture\n");
1631 ret = 0;
1632 }
1633 return ret;
1634}
1635
1636int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
1637{
1638 u32 *buffer;
1639 char mesg[64];
1640 char *msg[] = {mesg, NULL};
1641 int i, k, ops_cnt, ops_index, dump_size = 0;
1642 u32 entry_offset, dump, no_entries, buf_offset = 0;
1643 struct qlcnic_dump_entry *entry;
1644 struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1645 struct qlcnic_dump_template_hdr *tmpl_hdr = fw_dump->tmpl_hdr;
1646
1647 if (fw_dump->clr) {
1648 dev_info(&adapter->pdev->dev,
1649 "Previous dump not cleared, not capturing dump\n");
1650 return -EIO;
1651 }
1652 /* Calculate the size for dump data area only */
1653 for (i = 2, k = 1; (i & QLCNIC_DUMP_MASK_MAX); i <<= 1, k++)
1654 if (i & tmpl_hdr->drv_cap_mask)
1655 dump_size += tmpl_hdr->cap_sizes[k];
1656 if (!dump_size)
1657 return -EIO;
1658
1659 fw_dump->data = vzalloc(dump_size);
1660 if (!fw_dump->data) {
1661 dev_info(&adapter->pdev->dev,
1662 "Unable to allocate (%d KB) for fw dump\n",
1663 dump_size/1024);
1664 return -ENOMEM;
1665 }
1666 buffer = fw_dump->data;
1667 fw_dump->size = dump_size;
1668 no_entries = tmpl_hdr->num_entries;
1669 ops_cnt = ARRAY_SIZE(fw_dump_ops);
1670 entry_offset = tmpl_hdr->offset;
1671 tmpl_hdr->sys_info[0] = QLCNIC_DRIVER_VERSION;
1672 tmpl_hdr->sys_info[1] = adapter->fw_version;
1673
1674 for (i = 0; i < no_entries; i++) {
1675 entry = (struct qlcnic_dump_entry *) ((void *) tmpl_hdr +
1676 entry_offset);
1677 if (!(entry->hdr.mask & tmpl_hdr->drv_cap_mask)) {
1678 entry->hdr.flags |= QLCNIC_DUMP_SKIP;
1679 entry_offset += entry->hdr.offset;
1680 continue;
1681 }
1682 /* Find the handler for this entry */
1683 ops_index = 0;
1684 while (ops_index < ops_cnt) {
1685 if (entry->hdr.type == fw_dump_ops[ops_index].opcode)
1686 break;
1687 ops_index++;
1688 }
1689 if (ops_index == ops_cnt) {
1690 dev_info(&adapter->pdev->dev,
1691 "Invalid entry type %d, exiting dump\n",
1692 entry->hdr.type);
1693 goto error;
1694 }
1695 /* Collect dump for this entry */
1696 dump = fw_dump_ops[ops_index].handler(adapter, entry, buffer);
1697 if (dump && !qlcnic_valid_dump_entry(&adapter->pdev->dev, entry,
1698 dump))
1699 entry->hdr.flags |= QLCNIC_DUMP_SKIP;
1700 buf_offset += entry->hdr.cap_size;
1701 entry_offset += entry->hdr.offset;
1702 buffer = fw_dump->data + buf_offset;
1703 }
1704 if (dump_size != buf_offset) {
1705 dev_info(&adapter->pdev->dev,
1706 "Captured(%d) and expected size(%d) do not match\n",
1707 buf_offset, dump_size);
1708 goto error;
1709 } else {
1710 fw_dump->clr = 1;
1711 snprintf(mesg, sizeof(mesg), "FW dump for device: %d\n",
1712 adapter->pdev->devfn);
1713 dev_info(&adapter->pdev->dev, "Dump data, %d bytes captured\n",
1714 fw_dump->size);
1715 /* Send a udev event to notify availability of FW dump */
1716 kobject_uevent_env(&adapter->pdev->dev.kobj, KOBJ_CHANGE, msg);
1717 return 0;
1718 }
1719error:
1720 vfree(fw_dump->data);
1721 return -EINVAL;
1722}
Linux kernel - Deliverables
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