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Merge tag 'chrome-platform-for-linus-4.13' of git://git.kernel.org/pub/scm/linux...
[linux/fpc-iii.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_83xx_hw.c
blobf7080d0ab8746263c6955163640964eac2fd2cb0
1 /*
2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2013 QLogic Corporation
4 *
5 * See LICENSE.qlcnic for copyright and licensing details.
6 */
7
8 #include <linux/if_vlan.h>
9 #include <linux/ipv6.h>
10 #include <linux/ethtool.h>
11 #include <linux/interrupt.h>
12 #include <linux/aer.h>
13
14 #include "qlcnic.h"
15 #include "qlcnic_sriov.h"
16
17 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *);
18 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8);
19 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *, u8 *, u8,
20 struct qlcnic_cmd_args *);
21 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *);
22 static irqreturn_t qlcnic_83xx_handle_aen(int, void *);
23 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *,
24 pci_channel_state_t);
25 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *);
26 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *);
27 static void qlcnic_83xx_io_resume(struct pci_dev *);
28 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8);
29 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *);
30 static int qlcnic_83xx_resume(struct qlcnic_adapter *);
31 static int qlcnic_83xx_shutdown(struct pci_dev *);
32 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *);
33
34 #define RSS_HASHTYPE_IP_TCP 0x3
35 #define QLC_83XX_FW_MBX_CMD 0
36 #define QLC_SKIP_INACTIVE_PCI_REGS 7
37 #define QLC_MAX_LEGACY_FUNC_SUPP 8
38
39 /* 83xx Module type */
40 #define QLC_83XX_MODULE_FIBRE_10GBASE_LRM 0x1 /* 10GBase-LRM */
41 #define QLC_83XX_MODULE_FIBRE_10GBASE_LR 0x2 /* 10GBase-LR */
42 #define QLC_83XX_MODULE_FIBRE_10GBASE_SR 0x3 /* 10GBase-SR */
43 #define QLC_83XX_MODULE_DA_10GE_PASSIVE_CP 0x4 /* 10GE passive
44 * copper(compliant)
45 */
46 #define QLC_83XX_MODULE_DA_10GE_ACTIVE_CP 0x5 /* 10GE active limiting
47 * copper(compliant)
48 */
49 #define QLC_83XX_MODULE_DA_10GE_LEGACY_CP 0x6 /* 10GE passive copper
50 * (legacy, best effort)
51 */
52 #define QLC_83XX_MODULE_FIBRE_1000BASE_SX 0x7 /* 1000Base-SX */
53 #define QLC_83XX_MODULE_FIBRE_1000BASE_LX 0x8 /* 1000Base-LX */
54 #define QLC_83XX_MODULE_FIBRE_1000BASE_CX 0x9 /* 1000Base-CX */
55 #define QLC_83XX_MODULE_TP_1000BASE_T 0xa /* 1000Base-T*/
56 #define QLC_83XX_MODULE_DA_1GE_PASSIVE_CP 0xb /* 1GE passive copper
57 * (legacy, best effort)
58 */
59 #define QLC_83XX_MODULE_UNKNOWN 0xf /* Unknown module type */
60
61 /* Port types */
62 #define QLC_83XX_10_CAPABLE BIT_8
63 #define QLC_83XX_100_CAPABLE BIT_9
64 #define QLC_83XX_1G_CAPABLE BIT_10
65 #define QLC_83XX_10G_CAPABLE BIT_11
66 #define QLC_83XX_AUTONEG_ENABLE BIT_15
67
68 static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = {
69 {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1},
70 {QLCNIC_CMD_CONFIG_INTRPT, 18, 34},
71 {QLCNIC_CMD_CREATE_RX_CTX, 136, 27},
72 {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
73 {QLCNIC_CMD_CREATE_TX_CTX, 54, 18},
74 {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1},
75 {QLCNIC_CMD_CONFIGURE_MAC_LEARNING, 2, 1},
76 {QLCNIC_CMD_INTRPT_TEST, 22, 12},
77 {QLCNIC_CMD_SET_MTU, 3, 1},
78 {QLCNIC_CMD_READ_PHY, 4, 2},
79 {QLCNIC_CMD_WRITE_PHY, 5, 1},
80 {QLCNIC_CMD_READ_HW_REG, 4, 1},
81 {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
82 {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
83 {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
84 {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
85 {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
86 {QLCNIC_CMD_GET_PCI_INFO, 1, 129},
87 {QLCNIC_CMD_GET_NIC_INFO, 2, 19},
88 {QLCNIC_CMD_SET_NIC_INFO, 32, 1},
89 {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
90 {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
91 {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
92 {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
93 {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
94 {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
95 {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1},
96 {QLCNIC_CMD_CONFIG_PORT, 4, 1},
97 {QLCNIC_CMD_TEMP_SIZE, 1, 4},
98 {QLCNIC_CMD_GET_TEMP_HDR, 5, 5},
99 {QLCNIC_CMD_GET_LINK_EVENT, 2, 1},
100 {QLCNIC_CMD_CONFIG_MAC_VLAN, 4, 3},
101 {QLCNIC_CMD_CONFIG_INTR_COAL, 6, 1},
102 {QLCNIC_CMD_CONFIGURE_RSS, 14, 1},
103 {QLCNIC_CMD_CONFIGURE_LED, 2, 1},
104 {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, 2, 1},
105 {QLCNIC_CMD_CONFIGURE_HW_LRO, 2, 1},
106 {QLCNIC_CMD_GET_STATISTICS, 2, 80},
107 {QLCNIC_CMD_SET_PORT_CONFIG, 2, 1},
108 {QLCNIC_CMD_GET_PORT_CONFIG, 2, 2},
109 {QLCNIC_CMD_GET_LINK_STATUS, 2, 4},
110 {QLCNIC_CMD_IDC_ACK, 5, 1},
111 {QLCNIC_CMD_INIT_NIC_FUNC, 3, 1},
112 {QLCNIC_CMD_STOP_NIC_FUNC, 2, 1},
113 {QLCNIC_CMD_SET_LED_CONFIG, 5, 1},
114 {QLCNIC_CMD_GET_LED_CONFIG, 1, 5},
115 {QLCNIC_CMD_83XX_SET_DRV_VER, 4, 1},
116 {QLCNIC_CMD_ADD_RCV_RINGS, 130, 26},
117 {QLCNIC_CMD_CONFIG_VPORT, 4, 4},
118 {QLCNIC_CMD_BC_EVENT_SETUP, 2, 1},
119 {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
120 {QLCNIC_CMD_DCB_QUERY_PARAM, 1, 50},
121 {QLCNIC_CMD_SET_INGRESS_ENCAP, 2, 1},
122 {QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP, 4, 1},
123 };
124
125 const u32 qlcnic_83xx_ext_reg_tbl[] = {
126 0x38CC, /* Global Reset */
127 0x38F0, /* Wildcard */
128 0x38FC, /* Informant */
129 0x3038, /* Host MBX ctrl */
130 0x303C, /* FW MBX ctrl */
131 0x355C, /* BOOT LOADER ADDRESS REG */
132 0x3560, /* BOOT LOADER SIZE REG */
133 0x3564, /* FW IMAGE ADDR REG */
134 0x1000, /* MBX intr enable */
135 0x1200, /* Default Intr mask */
136 0x1204, /* Default Interrupt ID */
137 0x3780, /* QLC_83XX_IDC_MAJ_VERSION */
138 0x3784, /* QLC_83XX_IDC_DEV_STATE */
139 0x3788, /* QLC_83XX_IDC_DRV_PRESENCE */
140 0x378C, /* QLC_83XX_IDC_DRV_ACK */
141 0x3790, /* QLC_83XX_IDC_CTRL */
142 0x3794, /* QLC_83XX_IDC_DRV_AUDIT */
143 0x3798, /* QLC_83XX_IDC_MIN_VERSION */
144 0x379C, /* QLC_83XX_RECOVER_DRV_LOCK */
145 0x37A0, /* QLC_83XX_IDC_PF_0 */
146 0x37A4, /* QLC_83XX_IDC_PF_1 */
147 0x37A8, /* QLC_83XX_IDC_PF_2 */
148 0x37AC, /* QLC_83XX_IDC_PF_3 */
149 0x37B0, /* QLC_83XX_IDC_PF_4 */
150 0x37B4, /* QLC_83XX_IDC_PF_5 */
151 0x37B8, /* QLC_83XX_IDC_PF_6 */
152 0x37BC, /* QLC_83XX_IDC_PF_7 */
153 0x37C0, /* QLC_83XX_IDC_PF_8 */
154 0x37C4, /* QLC_83XX_IDC_PF_9 */
155 0x37C8, /* QLC_83XX_IDC_PF_10 */
156 0x37CC, /* QLC_83XX_IDC_PF_11 */
157 0x37D0, /* QLC_83XX_IDC_PF_12 */
158 0x37D4, /* QLC_83XX_IDC_PF_13 */
159 0x37D8, /* QLC_83XX_IDC_PF_14 */
160 0x37DC, /* QLC_83XX_IDC_PF_15 */
161 0x37E0, /* QLC_83XX_IDC_DEV_PARTITION_INFO_1 */
162 0x37E4, /* QLC_83XX_IDC_DEV_PARTITION_INFO_2 */
163 0x37F0, /* QLC_83XX_DRV_OP_MODE */
164 0x37F4, /* QLC_83XX_VNIC_STATE */
165 0x3868, /* QLC_83XX_DRV_LOCK */
166 0x386C, /* QLC_83XX_DRV_UNLOCK */
167 0x3504, /* QLC_83XX_DRV_LOCK_ID */
168 0x34A4, /* QLC_83XX_ASIC_TEMP */
169 };
170
171 const u32 qlcnic_83xx_reg_tbl[] = {
172 0x34A8, /* PEG_HALT_STAT1 */
173 0x34AC, /* PEG_HALT_STAT2 */
174 0x34B0, /* FW_HEARTBEAT */
175 0x3500, /* FLASH LOCK_ID */
176 0x3528, /* FW_CAPABILITIES */
177 0x3538, /* Driver active, DRV_REG0 */
178 0x3540, /* Device state, DRV_REG1 */
179 0x3544, /* Driver state, DRV_REG2 */
180 0x3548, /* Driver scratch, DRV_REG3 */
181 0x354C, /* Device partition info, DRV_REG4 */
182 0x3524, /* Driver IDC ver, DRV_REG5 */
183 0x3550, /* FW_VER_MAJOR */
184 0x3554, /* FW_VER_MINOR */
185 0x3558, /* FW_VER_SUB */
186 0x359C, /* NPAR STATE */
187 0x35FC, /* FW_IMG_VALID */
188 0x3650, /* CMD_PEG_STATE */
189 0x373C, /* RCV_PEG_STATE */
190 0x37B4, /* ASIC TEMP */
191 0x356C, /* FW API */
192 0x3570, /* DRV OP MODE */
193 0x3850, /* FLASH LOCK */
194 0x3854, /* FLASH UNLOCK */
195 };
196
197 static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
198 .read_crb = qlcnic_83xx_read_crb,
199 .write_crb = qlcnic_83xx_write_crb,
200 .read_reg = qlcnic_83xx_rd_reg_indirect,
201 .write_reg = qlcnic_83xx_wrt_reg_indirect,
202 .get_mac_address = qlcnic_83xx_get_mac_address,
203 .setup_intr = qlcnic_83xx_setup_intr,
204 .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args,
205 .mbx_cmd = qlcnic_83xx_issue_cmd,
206 .get_func_no = qlcnic_83xx_get_func_no,
207 .api_lock = qlcnic_83xx_cam_lock,
208 .api_unlock = qlcnic_83xx_cam_unlock,
209 .add_sysfs = qlcnic_83xx_add_sysfs,
210 .remove_sysfs = qlcnic_83xx_remove_sysfs,
211 .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag,
212 .create_rx_ctx = qlcnic_83xx_create_rx_ctx,
213 .create_tx_ctx = qlcnic_83xx_create_tx_ctx,
214 .del_rx_ctx = qlcnic_83xx_del_rx_ctx,
215 .del_tx_ctx = qlcnic_83xx_del_tx_ctx,
216 .setup_link_event = qlcnic_83xx_setup_link_event,
217 .get_nic_info = qlcnic_83xx_get_nic_info,
218 .get_pci_info = qlcnic_83xx_get_pci_info,
219 .set_nic_info = qlcnic_83xx_set_nic_info,
220 .change_macvlan = qlcnic_83xx_sre_macaddr_change,
221 .napi_enable = qlcnic_83xx_napi_enable,
222 .napi_disable = qlcnic_83xx_napi_disable,
223 .config_intr_coal = qlcnic_83xx_config_intr_coal,
224 .config_rss = qlcnic_83xx_config_rss,
225 .config_hw_lro = qlcnic_83xx_config_hw_lro,
226 .config_promisc_mode = qlcnic_83xx_nic_set_promisc,
227 .change_l2_filter = qlcnic_83xx_change_l2_filter,
228 .get_board_info = qlcnic_83xx_get_port_info,
229 .set_mac_filter_count = qlcnic_83xx_set_mac_filter_count,
230 .free_mac_list = qlcnic_82xx_free_mac_list,
231 .io_error_detected = qlcnic_83xx_io_error_detected,
232 .io_slot_reset = qlcnic_83xx_io_slot_reset,
233 .io_resume = qlcnic_83xx_io_resume,
234 .get_beacon_state = qlcnic_83xx_get_beacon_state,
235 .enable_sds_intr = qlcnic_83xx_enable_sds_intr,
236 .disable_sds_intr = qlcnic_83xx_disable_sds_intr,
237 .enable_tx_intr = qlcnic_83xx_enable_tx_intr,
238 .disable_tx_intr = qlcnic_83xx_disable_tx_intr,
239 .get_saved_state = qlcnic_83xx_get_saved_state,
240 .set_saved_state = qlcnic_83xx_set_saved_state,
241 .cache_tmpl_hdr_values = qlcnic_83xx_cache_tmpl_hdr_values,
242 .get_cap_size = qlcnic_83xx_get_cap_size,
243 .set_sys_info = qlcnic_83xx_set_sys_info,
244 .store_cap_mask = qlcnic_83xx_store_cap_mask,
245 .encap_rx_offload = qlcnic_83xx_encap_rx_offload,
246 .encap_tx_offload = qlcnic_83xx_encap_tx_offload,
247 };
248
249 static struct qlcnic_nic_template qlcnic_83xx_ops = {
250 .config_bridged_mode = qlcnic_config_bridged_mode,
251 .config_led = qlcnic_config_led,
252 .request_reset = qlcnic_83xx_idc_request_reset,
253 .cancel_idc_work = qlcnic_83xx_idc_exit,
254 .napi_add = qlcnic_83xx_napi_add,
255 .napi_del = qlcnic_83xx_napi_del,
256 .config_ipaddr = qlcnic_83xx_config_ipaddr,
257 .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr,
258 .shutdown = qlcnic_83xx_shutdown,
259 .resume = qlcnic_83xx_resume,
260 };
261
262 void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw)
263 {
264 ahw->hw_ops = &qlcnic_83xx_hw_ops;
265 ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl;
266 ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl;
267 }
268
269 int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter)
270 {
271 u32 fw_major, fw_minor, fw_build;
272 struct pci_dev *pdev = adapter->pdev;
273
274 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
275 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
276 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
277 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
278
279 dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n",
280 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
281
282 return adapter->fw_version;
283 }
284
285 static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr)
286 {
287 void __iomem *base;
288 u32 val;
289
290 base = adapter->ahw->pci_base0 +
291 QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func);
292 writel(addr, base);
293 val = readl(base);
294 if (val != addr)
295 return -EIO;
296
297 return 0;
298 }
299
300 int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr,
301 int *err)
302 {
303 struct qlcnic_hardware_context *ahw = adapter->ahw;
304
305 *err = __qlcnic_set_win_base(adapter, (u32) addr);
306 if (!*err) {
307 return QLCRDX(ahw, QLCNIC_WILDCARD);
308 } else {
309 dev_err(&adapter->pdev->dev,
310 "%s failed, addr = 0x%lx\n", __func__, addr);
311 return -EIO;
312 }
313 }
314
315 int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr,
316 u32 data)
317 {
318 int err;
319 struct qlcnic_hardware_context *ahw = adapter->ahw;
320
321 err = __qlcnic_set_win_base(adapter, (u32) addr);
322 if (!err) {
323 QLCWRX(ahw, QLCNIC_WILDCARD, data);
324 return 0;
325 } else {
326 dev_err(&adapter->pdev->dev,
327 "%s failed, addr = 0x%x data = 0x%x\n",
328 __func__, (int)addr, data);
329 return err;
330 }
331 }
332
333 static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter)
334 {
335 struct qlcnic_hardware_context *ahw = adapter->ahw;
336
337 /* MSI-X enablement failed, use legacy interrupt */
338 adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR;
339 adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK;
340 adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR;
341 adapter->msix_entries[0].vector = adapter->pdev->irq;
342 dev_info(&adapter->pdev->dev, "using legacy interrupt\n");
343 }
344
345 static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
346 {
347 int num_msix;
348
349 num_msix = adapter->drv_sds_rings;
350
351 /* account for AEN interrupt MSI-X based interrupts */
352 num_msix += 1;
353
354 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
355 num_msix += adapter->drv_tx_rings;
356
357 return num_msix;
358 }
359
360 int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter)
361 {
362 struct qlcnic_hardware_context *ahw = adapter->ahw;
363 int err, i, num_msix;
364
365 if (adapter->flags & QLCNIC_TSS_RSS) {
366 err = qlcnic_setup_tss_rss_intr(adapter);
367 if (err < 0)
368 return err;
369 num_msix = ahw->num_msix;
370 } else {
371 num_msix = qlcnic_83xx_calculate_msix_vector(adapter);
372
373 err = qlcnic_enable_msix(adapter, num_msix);
374 if (err == -ENOMEM)
375 return err;
376
377 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
378 num_msix = ahw->num_msix;
379 } else {
380 if (qlcnic_sriov_vf_check(adapter))
381 return -EINVAL;
382 num_msix = 1;
383 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
384 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
385 }
386 }
387
388 /* setup interrupt mapping table for fw */
389 ahw->intr_tbl = vzalloc(num_msix *
390 sizeof(struct qlcnic_intrpt_config));
391 if (!ahw->intr_tbl)
392 return -ENOMEM;
393
394 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
395 if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) {
396 dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n",
397 ahw->pci_func);
398 return -EOPNOTSUPP;
399 }
400
401 qlcnic_83xx_enable_legacy(adapter);
402 }
403
404 for (i = 0; i < num_msix; i++) {
405 if (adapter->flags & QLCNIC_MSIX_ENABLED)
406 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
407 else
408 ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX;
409 ahw->intr_tbl[i].id = i;
410 ahw->intr_tbl[i].src = 0;
411 }
412
413 return 0;
414 }
415
416 static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter)
417 {
418 writel(0, adapter->tgt_mask_reg);
419 }
420
421 static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter)
422 {
423 if (adapter->tgt_mask_reg)
424 writel(1, adapter->tgt_mask_reg);
425 }
426
427 static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter
428 *adapter)
429 {
430 u32 mask;
431
432 /* Mailbox in MSI-x mode and Legacy Interrupt share the same
433 * source register. We could be here before contexts are created
434 * and sds_ring->crb_intr_mask has not been initialized, calculate
435 * BAR offset for Interrupt Source Register
436 */
437 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
438 writel(0, adapter->ahw->pci_base0 + mask);
439 }
440
441 void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter)
442 {
443 u32 mask;
444
445 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
446 writel(1, adapter->ahw->pci_base0 + mask);
447 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0);
448 }
449
450 static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter,
451 struct qlcnic_cmd_args *cmd)
452 {
453 int i;
454
455 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
456 return;
457
458 for (i = 0; i < cmd->rsp.num; i++)
459 cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i));
460 }
461
462 irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
463 {
464 u32 intr_val;
465 struct qlcnic_hardware_context *ahw = adapter->ahw;
466 int retries = 0;
467
468 intr_val = readl(adapter->tgt_status_reg);
469
470 if (!QLC_83XX_VALID_INTX_BIT31(intr_val))
471 return IRQ_NONE;
472
473 if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) {
474 adapter->stats.spurious_intr++;
475 return IRQ_NONE;
476 }
477 /* The barrier is required to ensure writes to the registers */
478 wmb();
479
480 /* clear the interrupt trigger control register */
481 writel(0, adapter->isr_int_vec);
482 intr_val = readl(adapter->isr_int_vec);
483 do {
484 intr_val = readl(adapter->tgt_status_reg);
485 if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func)
486 break;
487 retries++;
488 } while (QLC_83XX_VALID_INTX_BIT30(intr_val) &&
489 (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY));
490
491 return IRQ_HANDLED;
492 }
493
494 static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx)
495 {
496 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
497 complete(&mbx->completion);
498 }
499
500 static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter)
501 {
502 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
503 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
504 unsigned long flags;
505
506 spin_lock_irqsave(&mbx->aen_lock, flags);
507 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
508 if (!(resp & QLCNIC_SET_OWNER))
509 goto out;
510
511 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
512 if (event & QLCNIC_MBX_ASYNC_EVENT) {
513 __qlcnic_83xx_process_aen(adapter);
514 } else {
515 if (mbx->rsp_status != rsp_status)
516 qlcnic_83xx_notify_mbx_response(mbx);
517 }
518 out:
519 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
520 spin_unlock_irqrestore(&mbx->aen_lock, flags);
521 }
522
523 irqreturn_t qlcnic_83xx_intr(int irq, void *data)
524 {
525 struct qlcnic_adapter *adapter = data;
526 struct qlcnic_host_sds_ring *sds_ring;
527 struct qlcnic_hardware_context *ahw = adapter->ahw;
528
529 if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE)
530 return IRQ_NONE;
531
532 qlcnic_83xx_poll_process_aen(adapter);
533
534 if (ahw->diag_test) {
535 if (ahw->diag_test == QLCNIC_INTERRUPT_TEST)
536 ahw->diag_cnt++;
537 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
538 return IRQ_HANDLED;
539 }
540
541 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
542 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
543 } else {
544 sds_ring = &adapter->recv_ctx->sds_rings[0];
545 napi_schedule(&sds_ring->napi);
546 }
547
548 return IRQ_HANDLED;
549 }
550
551 irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data)
552 {
553 struct qlcnic_host_sds_ring *sds_ring = data;
554 struct qlcnic_adapter *adapter = sds_ring->adapter;
555
556 if (adapter->flags & QLCNIC_MSIX_ENABLED)
557 goto done;
558
559 if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE)
560 return IRQ_NONE;
561
562 done:
563 adapter->ahw->diag_cnt++;
564 qlcnic_enable_sds_intr(adapter, sds_ring);
565
566 return IRQ_HANDLED;
567 }
568
569 void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter)
570 {
571 u32 num_msix;
572
573 if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
574 qlcnic_83xx_set_legacy_intr_mask(adapter);
575
576 qlcnic_83xx_disable_mbx_intr(adapter);
577
578 if (adapter->flags & QLCNIC_MSIX_ENABLED)
579 num_msix = adapter->ahw->num_msix - 1;
580 else
581 num_msix = 0;
582
583 msleep(20);
584
585 if (adapter->msix_entries) {
586 synchronize_irq(adapter->msix_entries[num_msix].vector);
587 free_irq(adapter->msix_entries[num_msix].vector, adapter);
588 }
589 }
590
591 int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter)
592 {
593 irq_handler_t handler;
594 u32 val;
595 int err = 0;
596 unsigned long flags = 0;
597
598 if (!(adapter->flags & QLCNIC_MSI_ENABLED) &&
599 !(adapter->flags & QLCNIC_MSIX_ENABLED))
600 flags |= IRQF_SHARED;
601
602 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
603 handler = qlcnic_83xx_handle_aen;
604 val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector;
605 err = request_irq(val, handler, flags, "qlcnic-MB", adapter);
606 if (err) {
607 dev_err(&adapter->pdev->dev,
608 "failed to register MBX interrupt\n");
609 return err;
610 }
611 } else {
612 handler = qlcnic_83xx_intr;
613 val = adapter->msix_entries[0].vector;
614 err = request_irq(val, handler, flags, "qlcnic", adapter);
615 if (err) {
616 dev_err(&adapter->pdev->dev,
617 "failed to register INTx interrupt\n");
618 return err;
619 }
620 qlcnic_83xx_clear_legacy_intr_mask(adapter);
621 }
622
623 /* Enable mailbox interrupt */
624 qlcnic_83xx_enable_mbx_interrupt(adapter);
625
626 return err;
627 }
628
629 void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter)
630 {
631 u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT);
632 adapter->ahw->pci_func = (val >> 24) & 0xff;
633 }
634
635 int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter)
636 {
637 void __iomem *addr;
638 u32 val, limit = 0;
639
640 struct qlcnic_hardware_context *ahw = adapter->ahw;
641
642 addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func);
643 do {
644 val = readl(addr);
645 if (val) {
646 /* write the function number to register */
647 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER,
648 ahw->pci_func);
649 return 0;
650 }
651 usleep_range(1000, 2000);
652 } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT);
653
654 return -EIO;
655 }
656
657 void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter)
658 {
659 void __iomem *addr;
660 u32 val;
661 struct qlcnic_hardware_context *ahw = adapter->ahw;
662
663 addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func);
664 val = readl(addr);
665 }
666
667 void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf,
668 loff_t offset, size_t size)
669 {
670 int ret = 0;
671 u32 data;
672
673 if (qlcnic_api_lock(adapter)) {
674 dev_err(&adapter->pdev->dev,
675 "%s: failed to acquire lock. addr offset 0x%x\n",
676 __func__, (u32)offset);
677 return;
678 }
679
680 data = QLCRD32(adapter, (u32) offset, &ret);
681 qlcnic_api_unlock(adapter);
682
683 if (ret == -EIO) {
684 dev_err(&adapter->pdev->dev,
685 "%s: failed. addr offset 0x%x\n",
686 __func__, (u32)offset);
687 return;
688 }
689 memcpy(buf, &data, size);
690 }
691
692 void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf,
693 loff_t offset, size_t size)
694 {
695 u32 data;
696
697 memcpy(&data, buf, size);
698 qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data);
699 }
700
701 int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter)
702 {
703 struct qlcnic_hardware_context *ahw = adapter->ahw;
704 int status;
705
706 status = qlcnic_83xx_get_port_config(adapter);
707 if (status) {
708 dev_err(&adapter->pdev->dev,
709 "Get Port Info failed\n");
710 } else {
711
712 if (ahw->port_config & QLC_83XX_10G_CAPABLE) {
713 ahw->port_type = QLCNIC_XGBE;
714 } else if (ahw->port_config & QLC_83XX_10_CAPABLE ||
715 ahw->port_config & QLC_83XX_100_CAPABLE ||
716 ahw->port_config & QLC_83XX_1G_CAPABLE) {
717 ahw->port_type = QLCNIC_GBE;
718 } else {
719 ahw->port_type = QLCNIC_XGBE;
720 }
721
722 if (QLC_83XX_AUTONEG(ahw->port_config))
723 ahw->link_autoneg = AUTONEG_ENABLE;
724
725 }
726 return status;
727 }
728
729 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
730 {
731 struct qlcnic_hardware_context *ahw = adapter->ahw;
732 u16 act_pci_fn = ahw->total_nic_func;
733 u16 count;
734
735 ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT;
736 if (act_pci_fn <= 2)
737 count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) /
738 act_pci_fn;
739 else
740 count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) /
741 act_pci_fn;
742 ahw->max_uc_count = count;
743 }
744
745 void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter)
746 {
747 u32 val;
748
749 if (adapter->flags & QLCNIC_MSIX_ENABLED)
750 val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8);
751 else
752 val = BIT_2;
753
754 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val);
755 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
756 }
757
758 void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter,
759 const struct pci_device_id *ent)
760 {
761 u32 op_mode, priv_level;
762 struct qlcnic_hardware_context *ahw = adapter->ahw;
763
764 ahw->fw_hal_version = 2;
765 qlcnic_get_func_no(adapter);
766
767 if (qlcnic_sriov_vf_check(adapter)) {
768 qlcnic_sriov_vf_set_ops(adapter);
769 return;
770 }
771
772 /* Determine function privilege level */
773 op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
774 if (op_mode == QLC_83XX_DEFAULT_OPMODE)
775 priv_level = QLCNIC_MGMT_FUNC;
776 else
777 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
778 ahw->pci_func);
779
780 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
781 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
782 dev_info(&adapter->pdev->dev,
783 "HAL Version: %d Non Privileged function\n",
784 ahw->fw_hal_version);
785 adapter->nic_ops = &qlcnic_vf_ops;
786 } else {
787 if (pci_find_ext_capability(adapter->pdev,
788 PCI_EXT_CAP_ID_SRIOV))
789 set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state);
790 adapter->nic_ops = &qlcnic_83xx_ops;
791 }
792 }
793
794 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
795 u32 data[]);
796 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
797 u32 data[]);
798
799 void qlcnic_dump_mbx(struct qlcnic_adapter *adapter,
800 struct qlcnic_cmd_args *cmd)
801 {
802 int i;
803
804 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
805 return;
806
807 dev_info(&adapter->pdev->dev,
808 "Host MBX regs(%d)\n", cmd->req.num);
809 for (i = 0; i < cmd->req.num; i++) {
810 if (i && !(i % 8))
811 pr_info("\n");
812 pr_info("%08x ", cmd->req.arg[i]);
813 }
814 pr_info("\n");
815 dev_info(&adapter->pdev->dev,
816 "FW MBX regs(%d)\n", cmd->rsp.num);
817 for (i = 0; i < cmd->rsp.num; i++) {
818 if (i && !(i % 8))
819 pr_info("\n");
820 pr_info("%08x ", cmd->rsp.arg[i]);
821 }
822 pr_info("\n");
823 }
824
825 static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter,
826 struct qlcnic_cmd_args *cmd)
827 {
828 struct qlcnic_hardware_context *ahw = adapter->ahw;
829 int opcode = LSW(cmd->req.arg[0]);
830 unsigned long max_loops;
831
832 max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP;
833
834 for (; max_loops; max_loops--) {
835 if (atomic_read(&cmd->rsp_status) ==
836 QLC_83XX_MBX_RESPONSE_ARRIVED)
837 return;
838
839 udelay(1);
840 }
841
842 dev_err(&adapter->pdev->dev,
843 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
844 __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode);
845 flush_workqueue(ahw->mailbox->work_q);
846 return;
847 }
848
849 int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter,
850 struct qlcnic_cmd_args *cmd)
851 {
852 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
853 struct qlcnic_hardware_context *ahw = adapter->ahw;
854 int cmd_type, err, opcode;
855 unsigned long timeout;
856
857 if (!mbx)
858 return -EIO;
859
860 opcode = LSW(cmd->req.arg[0]);
861 cmd_type = cmd->type;
862 err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout);
863 if (err) {
864 dev_err(&adapter->pdev->dev,
865 "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n",
866 __func__, opcode, cmd->type, ahw->pci_func,
867 ahw->op_mode);
868 return err;
869 }
870
871 switch (cmd_type) {
872 case QLC_83XX_MBX_CMD_WAIT:
873 if (!wait_for_completion_timeout(&cmd->completion, timeout)) {
874 dev_err(&adapter->pdev->dev,
875 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
876 __func__, opcode, cmd_type, ahw->pci_func,
877 ahw->op_mode);
878 flush_workqueue(mbx->work_q);
879 }
880 break;
881 case QLC_83XX_MBX_CMD_NO_WAIT:
882 return 0;
883 case QLC_83XX_MBX_CMD_BUSY_WAIT:
884 qlcnic_83xx_poll_for_mbx_completion(adapter, cmd);
885 break;
886 default:
887 dev_err(&adapter->pdev->dev,
888 "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
889 __func__, opcode, cmd_type, ahw->pci_func,
890 ahw->op_mode);
891 qlcnic_83xx_detach_mailbox_work(adapter);
892 }
893
894 return cmd->rsp_opcode;
895 }
896
897 int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
898 struct qlcnic_adapter *adapter, u32 type)
899 {
900 int i, size;
901 u32 temp;
902 const struct qlcnic_mailbox_metadata *mbx_tbl;
903
904 memset(mbx, 0, sizeof(struct qlcnic_cmd_args));
905 mbx_tbl = qlcnic_83xx_mbx_tbl;
906 size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl);
907 for (i = 0; i < size; i++) {
908 if (type == mbx_tbl[i].cmd) {
909 mbx->op_type = QLC_83XX_FW_MBX_CMD;
910 mbx->req.num = mbx_tbl[i].in_args;
911 mbx->rsp.num = mbx_tbl[i].out_args;
912 mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32),
913 GFP_ATOMIC);
914 if (!mbx->req.arg)
915 return -ENOMEM;
916 mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32),
917 GFP_ATOMIC);
918 if (!mbx->rsp.arg) {
919 kfree(mbx->req.arg);
920 mbx->req.arg = NULL;
921 return -ENOMEM;
922 }
923 temp = adapter->ahw->fw_hal_version << 29;
924 mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp);
925 mbx->cmd_op = type;
926 return 0;
927 }
928 }
929
930 dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n",
931 __func__, type);
932 return -EINVAL;
933 }
934
935 void qlcnic_83xx_idc_aen_work(struct work_struct *work)
936 {
937 struct qlcnic_adapter *adapter;
938 struct qlcnic_cmd_args cmd;
939 int i, err = 0;
940
941 adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work);
942 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK);
943 if (err)
944 return;
945
946 for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++)
947 cmd.req.arg[i] = adapter->ahw->mbox_aen[i];
948
949 err = qlcnic_issue_cmd(adapter, &cmd);
950 if (err)
951 dev_info(&adapter->pdev->dev,
952 "%s: Mailbox IDC ACK failed.\n", __func__);
953 qlcnic_free_mbx_args(&cmd);
954 }
955
956 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
957 u32 data[])
958 {
959 dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n",
960 QLCNIC_MBX_RSP(data[0]));
961 clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status);
962 return;
963 }
964
965 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
966 {
967 struct qlcnic_hardware_context *ahw = adapter->ahw;
968 u32 event[QLC_83XX_MBX_AEN_CNT];
969 int i;
970
971 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
972 event[i] = readl(QLCNIC_MBX_FW(ahw, i));
973
974 switch (QLCNIC_MBX_RSP(event[0])) {
975
976 case QLCNIC_MBX_LINK_EVENT:
977 qlcnic_83xx_handle_link_aen(adapter, event);
978 break;
979 case QLCNIC_MBX_COMP_EVENT:
980 qlcnic_83xx_handle_idc_comp_aen(adapter, event);
981 break;
982 case QLCNIC_MBX_REQUEST_EVENT:
983 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
984 adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]);
985 queue_delayed_work(adapter->qlcnic_wq,
986 &adapter->idc_aen_work, 0);
987 break;
988 case QLCNIC_MBX_TIME_EXTEND_EVENT:
989 ahw->extend_lb_time = event[1] >> 8 & 0xf;
990 break;
991 case QLCNIC_MBX_BC_EVENT:
992 qlcnic_sriov_handle_bc_event(adapter, event[1]);
993 break;
994 case QLCNIC_MBX_SFP_INSERT_EVENT:
995 dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n",
996 QLCNIC_MBX_RSP(event[0]));
997 break;
998 case QLCNIC_MBX_SFP_REMOVE_EVENT:
999 dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n",
1000 QLCNIC_MBX_RSP(event[0]));
1001 break;
1002 case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT:
1003 qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]);
1004 break;
1005 default:
1006 dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n",
1007 QLCNIC_MBX_RSP(event[0]));
1008 break;
1009 }
1010
1011 QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
1012 }
1013
1014 static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
1015 {
1016 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
1017 struct qlcnic_hardware_context *ahw = adapter->ahw;
1018 struct qlcnic_mailbox *mbx = ahw->mailbox;
1019 unsigned long flags;
1020
1021 spin_lock_irqsave(&mbx->aen_lock, flags);
1022 resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL);
1023 if (resp & QLCNIC_SET_OWNER) {
1024 event = readl(QLCNIC_MBX_FW(ahw, 0));
1025 if (event & QLCNIC_MBX_ASYNC_EVENT) {
1026 __qlcnic_83xx_process_aen(adapter);
1027 } else {
1028 if (mbx->rsp_status != rsp_status)
1029 qlcnic_83xx_notify_mbx_response(mbx);
1030 }
1031 }
1032 spin_unlock_irqrestore(&mbx->aen_lock, flags);
1033 }
1034
1035 static void qlcnic_83xx_mbx_poll_work(struct work_struct *work)
1036 {
1037 struct qlcnic_adapter *adapter;
1038
1039 adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work);
1040
1041 if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1042 return;
1043
1044 qlcnic_83xx_process_aen(adapter);
1045 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work,
1046 (HZ / 10));
1047 }
1048
1049 void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter)
1050 {
1051 if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1052 return;
1053
1054 INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work);
1055 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0);
1056 }
1057
1058 void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter)
1059 {
1060 if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1061 return;
1062 cancel_delayed_work_sync(&adapter->mbx_poll_work);
1063 }
1064
1065 static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter)
1066 {
1067 int index, i, err, sds_mbx_size;
1068 u32 *buf, intrpt_id, intr_mask;
1069 u16 context_id;
1070 u8 num_sds;
1071 struct qlcnic_cmd_args cmd;
1072 struct qlcnic_host_sds_ring *sds;
1073 struct qlcnic_sds_mbx sds_mbx;
1074 struct qlcnic_add_rings_mbx_out *mbx_out;
1075 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1076 struct qlcnic_hardware_context *ahw = adapter->ahw;
1077
1078 sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1079 context_id = recv_ctx->context_id;
1080 num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS;
1081 ahw->hw_ops->alloc_mbx_args(&cmd, adapter,
1082 QLCNIC_CMD_ADD_RCV_RINGS);
1083 cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16);
1084
1085 /* set up status rings, mbx 2-81 */
1086 index = 2;
1087 for (i = 8; i < adapter->drv_sds_rings; i++) {
1088 memset(&sds_mbx, 0, sds_mbx_size);
1089 sds = &recv_ctx->sds_rings[i];
1090 sds->consumer = 0;
1091 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1092 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1093 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1094 sds_mbx.sds_ring_size = sds->num_desc;
1095
1096 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1097 intrpt_id = ahw->intr_tbl[i].id;
1098 else
1099 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1100
1101 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1102 sds_mbx.intrpt_id = intrpt_id;
1103 else
1104 sds_mbx.intrpt_id = 0xffff;
1105 sds_mbx.intrpt_val = 0;
1106 buf = &cmd.req.arg[index];
1107 memcpy(buf, &sds_mbx, sds_mbx_size);
1108 index += sds_mbx_size / sizeof(u32);
1109 }
1110
1111 /* send the mailbox command */
1112 err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1113 if (err) {
1114 dev_err(&adapter->pdev->dev,
1115 "Failed to add rings %d\n", err);
1116 goto out;
1117 }
1118
1119 mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1];
1120 index = 0;
1121 /* status descriptor ring */
1122 for (i = 8; i < adapter->drv_sds_rings; i++) {
1123 sds = &recv_ctx->sds_rings[i];
1124 sds->crb_sts_consumer = ahw->pci_base0 +
1125 mbx_out->host_csmr[index];
1126 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1127 intr_mask = ahw->intr_tbl[i].src;
1128 else
1129 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1130
1131 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1132 index++;
1133 }
1134 out:
1135 qlcnic_free_mbx_args(&cmd);
1136 return err;
1137 }
1138
1139 void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter)
1140 {
1141 int err;
1142 u32 temp = 0;
1143 struct qlcnic_cmd_args cmd;
1144 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1145
1146 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1147 return;
1148
1149 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1150 cmd.req.arg[0] |= (0x3 << 29);
1151
1152 if (qlcnic_sriov_pf_check(adapter))
1153 qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp);
1154
1155 cmd.req.arg[1] = recv_ctx->context_id | temp;
1156 err = qlcnic_issue_cmd(adapter, &cmd);
1157 if (err)
1158 dev_err(&adapter->pdev->dev,
1159 "Failed to destroy rx ctx in firmware\n");
1160
1161 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
1162 qlcnic_free_mbx_args(&cmd);
1163 }
1164
1165 int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter)
1166 {
1167 int i, err, index, sds_mbx_size, rds_mbx_size;
1168 u8 num_sds, num_rds;
1169 u32 *buf, intrpt_id, intr_mask, cap = 0;
1170 struct qlcnic_host_sds_ring *sds;
1171 struct qlcnic_host_rds_ring *rds;
1172 struct qlcnic_sds_mbx sds_mbx;
1173 struct qlcnic_rds_mbx rds_mbx;
1174 struct qlcnic_cmd_args cmd;
1175 struct qlcnic_rcv_mbx_out *mbx_out;
1176 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1177 struct qlcnic_hardware_context *ahw = adapter->ahw;
1178 num_rds = adapter->max_rds_rings;
1179
1180 if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS)
1181 num_sds = adapter->drv_sds_rings;
1182 else
1183 num_sds = QLCNIC_MAX_SDS_RINGS;
1184
1185 sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1186 rds_mbx_size = sizeof(struct qlcnic_rds_mbx);
1187 cap = QLCNIC_CAP0_LEGACY_CONTEXT;
1188
1189 if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
1190 cap |= QLC_83XX_FW_CAP_LRO_MSS;
1191
1192 /* set mailbox hdr and capabilities */
1193 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1194 QLCNIC_CMD_CREATE_RX_CTX);
1195 if (err)
1196 return err;
1197
1198 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1199 cmd.req.arg[0] |= (0x3 << 29);
1200
1201 cmd.req.arg[1] = cap;
1202 cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) |
1203 (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16);
1204
1205 if (qlcnic_sriov_pf_check(adapter))
1206 qlcnic_pf_set_interface_id_create_rx_ctx(adapter,
1207 &cmd.req.arg[6]);
1208 /* set up status rings, mbx 8-57/87 */
1209 index = QLC_83XX_HOST_SDS_MBX_IDX;
1210 for (i = 0; i < num_sds; i++) {
1211 memset(&sds_mbx, 0, sds_mbx_size);
1212 sds = &recv_ctx->sds_rings[i];
1213 sds->consumer = 0;
1214 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1215 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1216 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1217 sds_mbx.sds_ring_size = sds->num_desc;
1218 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1219 intrpt_id = ahw->intr_tbl[i].id;
1220 else
1221 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1222 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1223 sds_mbx.intrpt_id = intrpt_id;
1224 else
1225 sds_mbx.intrpt_id = 0xffff;
1226 sds_mbx.intrpt_val = 0;
1227 buf = &cmd.req.arg[index];
1228 memcpy(buf, &sds_mbx, sds_mbx_size);
1229 index += sds_mbx_size / sizeof(u32);
1230 }
1231 /* set up receive rings, mbx 88-111/135 */
1232 index = QLCNIC_HOST_RDS_MBX_IDX;
1233 rds = &recv_ctx->rds_rings[0];
1234 rds->producer = 0;
1235 memset(&rds_mbx, 0, rds_mbx_size);
1236 rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr);
1237 rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr);
1238 rds_mbx.reg_ring_sz = rds->dma_size;
1239 rds_mbx.reg_ring_len = rds->num_desc;
1240 /* Jumbo ring */
1241 rds = &recv_ctx->rds_rings[1];
1242 rds->producer = 0;
1243 rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr);
1244 rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr);
1245 rds_mbx.jmb_ring_sz = rds->dma_size;
1246 rds_mbx.jmb_ring_len = rds->num_desc;
1247 buf = &cmd.req.arg[index];
1248 memcpy(buf, &rds_mbx, rds_mbx_size);
1249
1250 /* send the mailbox command */
1251 err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1252 if (err) {
1253 dev_err(&adapter->pdev->dev,
1254 "Failed to create Rx ctx in firmware%d\n", err);
1255 goto out;
1256 }
1257 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1];
1258 recv_ctx->context_id = mbx_out->ctx_id;
1259 recv_ctx->state = mbx_out->state;
1260 recv_ctx->virt_port = mbx_out->vport_id;
1261 dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n",
1262 recv_ctx->context_id, recv_ctx->state);
1263 /* Receive descriptor ring */
1264 /* Standard ring */
1265 rds = &recv_ctx->rds_rings[0];
1266 rds->crb_rcv_producer = ahw->pci_base0 +
1267 mbx_out->host_prod[0].reg_buf;
1268 /* Jumbo ring */
1269 rds = &recv_ctx->rds_rings[1];
1270 rds->crb_rcv_producer = ahw->pci_base0 +
1271 mbx_out->host_prod[0].jmb_buf;
1272 /* status descriptor ring */
1273 for (i = 0; i < num_sds; i++) {
1274 sds = &recv_ctx->sds_rings[i];
1275 sds->crb_sts_consumer = ahw->pci_base0 +
1276 mbx_out->host_csmr[i];
1277 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1278 intr_mask = ahw->intr_tbl[i].src;
1279 else
1280 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1281 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1282 }
1283
1284 if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS)
1285 err = qlcnic_83xx_add_rings(adapter);
1286 out:
1287 qlcnic_free_mbx_args(&cmd);
1288 return err;
1289 }
1290
1291 void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter,
1292 struct qlcnic_host_tx_ring *tx_ring)
1293 {
1294 struct qlcnic_cmd_args cmd;
1295 u32 temp = 0;
1296
1297 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1298 return;
1299
1300 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1301 cmd.req.arg[0] |= (0x3 << 29);
1302
1303 if (qlcnic_sriov_pf_check(adapter))
1304 qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp);
1305
1306 cmd.req.arg[1] = tx_ring->ctx_id | temp;
1307 if (qlcnic_issue_cmd(adapter, &cmd))
1308 dev_err(&adapter->pdev->dev,
1309 "Failed to destroy tx ctx in firmware\n");
1310 qlcnic_free_mbx_args(&cmd);
1311 }
1312
1313 int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter,
1314 struct qlcnic_host_tx_ring *tx, int ring)
1315 {
1316 int err;
1317 u16 msix_id;
1318 u32 *buf, intr_mask, temp = 0;
1319 struct qlcnic_cmd_args cmd;
1320 struct qlcnic_tx_mbx mbx;
1321 struct qlcnic_tx_mbx_out *mbx_out;
1322 struct qlcnic_hardware_context *ahw = adapter->ahw;
1323 u32 msix_vector;
1324
1325 /* Reset host resources */
1326 tx->producer = 0;
1327 tx->sw_consumer = 0;
1328 *(tx->hw_consumer) = 0;
1329
1330 memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx));
1331
1332 /* setup mailbox inbox registerss */
1333 mbx.phys_addr_low = LSD(tx->phys_addr);
1334 mbx.phys_addr_high = MSD(tx->phys_addr);
1335 mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr);
1336 mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr);
1337 mbx.size = tx->num_desc;
1338 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1339 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
1340 msix_vector = adapter->drv_sds_rings + ring;
1341 else
1342 msix_vector = adapter->drv_sds_rings - 1;
1343 msix_id = ahw->intr_tbl[msix_vector].id;
1344 } else {
1345 msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1346 }
1347
1348 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1349 mbx.intr_id = msix_id;
1350 else
1351 mbx.intr_id = 0xffff;
1352 mbx.src = 0;
1353
1354 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
1355 if (err)
1356 return err;
1357
1358 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1359 cmd.req.arg[0] |= (0x3 << 29);
1360
1361 if (qlcnic_sriov_pf_check(adapter))
1362 qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp);
1363
1364 cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT;
1365 cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp;
1366
1367 buf = &cmd.req.arg[6];
1368 memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx));
1369 /* send the mailbox command*/
1370 err = qlcnic_issue_cmd(adapter, &cmd);
1371 if (err) {
1372 netdev_err(adapter->netdev,
1373 "Failed to create Tx ctx in firmware 0x%x\n", err);
1374 goto out;
1375 }
1376 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2];
1377 tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod;
1378 tx->ctx_id = mbx_out->ctx_id;
1379 if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
1380 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1381 intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src;
1382 tx->crb_intr_mask = ahw->pci_base0 + intr_mask;
1383 }
1384 netdev_info(adapter->netdev,
1385 "Tx Context[0x%x] Created, state:0x%x\n",
1386 tx->ctx_id, mbx_out->state);
1387 out:
1388 qlcnic_free_mbx_args(&cmd);
1389 return err;
1390 }
1391
1392 static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test,
1393 u8 num_sds_ring)
1394 {
1395 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1396 struct qlcnic_host_sds_ring *sds_ring;
1397 struct qlcnic_host_rds_ring *rds_ring;
1398 u16 adapter_state = adapter->is_up;
1399 u8 ring;
1400 int ret;
1401
1402 netif_device_detach(netdev);
1403
1404 if (netif_running(netdev))
1405 __qlcnic_down(adapter, netdev);
1406
1407 qlcnic_detach(adapter);
1408
1409 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
1410 adapter->ahw->diag_test = test;
1411 adapter->ahw->linkup = 0;
1412
1413 ret = qlcnic_attach(adapter);
1414 if (ret) {
1415 netif_device_attach(netdev);
1416 return ret;
1417 }
1418
1419 ret = qlcnic_fw_create_ctx(adapter);
1420 if (ret) {
1421 qlcnic_detach(adapter);
1422 if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) {
1423 adapter->drv_sds_rings = num_sds_ring;
1424 qlcnic_attach(adapter);
1425 }
1426 netif_device_attach(netdev);
1427 return ret;
1428 }
1429
1430 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1431 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1432 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1433 }
1434
1435 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1436 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1437 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1438 qlcnic_enable_sds_intr(adapter, sds_ring);
1439 }
1440 }
1441
1442 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1443 adapter->ahw->loopback_state = 0;
1444 adapter->ahw->hw_ops->setup_link_event(adapter, 1);
1445 }
1446
1447 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1448 return 0;
1449 }
1450
1451 static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
1452 u8 drv_sds_rings)
1453 {
1454 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1455 struct qlcnic_host_sds_ring *sds_ring;
1456 int ring;
1457
1458 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1459 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1460 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1461 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1462 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1463 qlcnic_disable_sds_intr(adapter, sds_ring);
1464 }
1465 }
1466
1467 qlcnic_fw_destroy_ctx(adapter);
1468 qlcnic_detach(adapter);
1469
1470 adapter->ahw->diag_test = 0;
1471 adapter->drv_sds_rings = drv_sds_rings;
1472
1473 if (qlcnic_attach(adapter))
1474 goto out;
1475
1476 if (netif_running(netdev))
1477 __qlcnic_up(adapter, netdev);
1478
1479 out:
1480 netif_device_attach(netdev);
1481 }
1482
1483 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter)
1484 {
1485 struct qlcnic_hardware_context *ahw = adapter->ahw;
1486 struct qlcnic_cmd_args cmd;
1487 u8 beacon_state;
1488 int err = 0;
1489
1490 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG);
1491 if (!err) {
1492 err = qlcnic_issue_cmd(adapter, &cmd);
1493 if (!err) {
1494 beacon_state = cmd.rsp.arg[4];
1495 if (beacon_state == QLCNIC_BEACON_DISABLE)
1496 ahw->beacon_state = QLC_83XX_BEACON_OFF;
1497 else if (beacon_state == QLC_83XX_ENABLE_BEACON)
1498 ahw->beacon_state = QLC_83XX_BEACON_ON;
1499 }
1500 } else {
1501 netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n",
1502 err);
1503 }
1504
1505 qlcnic_free_mbx_args(&cmd);
1506
1507 return;
1508 }
1509
1510 int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state,
1511 u32 beacon)
1512 {
1513 struct qlcnic_cmd_args cmd;
1514 u32 mbx_in;
1515 int i, status = 0;
1516
1517 if (state) {
1518 /* Get LED configuration */
1519 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1520 QLCNIC_CMD_GET_LED_CONFIG);
1521 if (status)
1522 return status;
1523
1524 status = qlcnic_issue_cmd(adapter, &cmd);
1525 if (status) {
1526 dev_err(&adapter->pdev->dev,
1527 "Get led config failed.\n");
1528 goto mbx_err;
1529 } else {
1530 for (i = 0; i < 4; i++)
1531 adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1];
1532 }
1533 qlcnic_free_mbx_args(&cmd);
1534 /* Set LED Configuration */
1535 mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) |
1536 LSW(QLC_83XX_LED_CONFIG);
1537 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1538 QLCNIC_CMD_SET_LED_CONFIG);
1539 if (status)
1540 return status;
1541
1542 cmd.req.arg[1] = mbx_in;
1543 cmd.req.arg[2] = mbx_in;
1544 cmd.req.arg[3] = mbx_in;
1545 if (beacon)
1546 cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON;
1547 status = qlcnic_issue_cmd(adapter, &cmd);
1548 if (status) {
1549 dev_err(&adapter->pdev->dev,
1550 "Set led config failed.\n");
1551 }
1552 mbx_err:
1553 qlcnic_free_mbx_args(&cmd);
1554 return status;
1555
1556 } else {
1557 /* Restoring default LED configuration */
1558 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1559 QLCNIC_CMD_SET_LED_CONFIG);
1560 if (status)
1561 return status;
1562
1563 cmd.req.arg[1] = adapter->ahw->mbox_reg[0];
1564 cmd.req.arg[2] = adapter->ahw->mbox_reg[1];
1565 cmd.req.arg[3] = adapter->ahw->mbox_reg[2];
1566 if (beacon)
1567 cmd.req.arg[4] = adapter->ahw->mbox_reg[3];
1568 status = qlcnic_issue_cmd(adapter, &cmd);
1569 if (status)
1570 dev_err(&adapter->pdev->dev,
1571 "Restoring led config failed.\n");
1572 qlcnic_free_mbx_args(&cmd);
1573 return status;
1574 }
1575 }
1576
1577 int qlcnic_83xx_set_led(struct net_device *netdev,
1578 enum ethtool_phys_id_state state)
1579 {
1580 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1581 int err = -EIO, active = 1;
1582
1583 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1584 netdev_warn(netdev,
1585 "LED test is not supported in non-privileged mode\n");
1586 return -EOPNOTSUPP;
1587 }
1588
1589 switch (state) {
1590 case ETHTOOL_ID_ACTIVE:
1591 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1592 return -EBUSY;
1593
1594 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1595 break;
1596
1597 err = qlcnic_83xx_config_led(adapter, active, 0);
1598 if (err)
1599 netdev_err(netdev, "Failed to set LED blink state\n");
1600 break;
1601 case ETHTOOL_ID_INACTIVE:
1602 active = 0;
1603
1604 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1605 break;
1606
1607 err = qlcnic_83xx_config_led(adapter, active, 0);
1608 if (err)
1609 netdev_err(netdev, "Failed to reset LED blink state\n");
1610 break;
1611
1612 default:
1613 return -EINVAL;
1614 }
1615
1616 if (!active || err)
1617 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1618
1619 return err;
1620 }
1621
1622 void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable)
1623 {
1624 struct qlcnic_cmd_args cmd;
1625 int status;
1626
1627 if (qlcnic_sriov_vf_check(adapter))
1628 return;
1629
1630 if (enable)
1631 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1632 QLCNIC_CMD_INIT_NIC_FUNC);
1633 else
1634 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1635 QLCNIC_CMD_STOP_NIC_FUNC);
1636
1637 if (status)
1638 return;
1639
1640 cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES;
1641
1642 if (adapter->dcb)
1643 cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN;
1644
1645 status = qlcnic_issue_cmd(adapter, &cmd);
1646 if (status)
1647 dev_err(&adapter->pdev->dev,
1648 "Failed to %s in NIC IDC function event.\n",
1649 (enable ? "register" : "unregister"));
1650
1651 qlcnic_free_mbx_args(&cmd);
1652 }
1653
1654 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter)
1655 {
1656 struct qlcnic_cmd_args cmd;
1657 int err;
1658
1659 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG);
1660 if (err)
1661 return err;
1662
1663 cmd.req.arg[1] = adapter->ahw->port_config;
1664 err = qlcnic_issue_cmd(adapter, &cmd);
1665 if (err)
1666 dev_info(&adapter->pdev->dev, "Set Port Config failed.\n");
1667 qlcnic_free_mbx_args(&cmd);
1668 return err;
1669 }
1670
1671 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter)
1672 {
1673 struct qlcnic_cmd_args cmd;
1674 int err;
1675
1676 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG);
1677 if (err)
1678 return err;
1679
1680 err = qlcnic_issue_cmd(adapter, &cmd);
1681 if (err)
1682 dev_info(&adapter->pdev->dev, "Get Port config failed\n");
1683 else
1684 adapter->ahw->port_config = cmd.rsp.arg[1];
1685 qlcnic_free_mbx_args(&cmd);
1686 return err;
1687 }
1688
1689 int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable)
1690 {
1691 int err;
1692 u32 temp;
1693 struct qlcnic_cmd_args cmd;
1694
1695 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT);
1696 if (err)
1697 return err;
1698
1699 temp = adapter->recv_ctx->context_id << 16;
1700 cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp;
1701 err = qlcnic_issue_cmd(adapter, &cmd);
1702 if (err)
1703 dev_info(&adapter->pdev->dev,
1704 "Setup linkevent mailbox failed\n");
1705 qlcnic_free_mbx_args(&cmd);
1706 return err;
1707 }
1708
1709 static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1710 u32 *interface_id)
1711 {
1712 if (qlcnic_sriov_pf_check(adapter)) {
1713 qlcnic_alloc_lb_filters_mem(adapter);
1714 qlcnic_pf_set_interface_id_promisc(adapter, interface_id);
1715 adapter->rx_mac_learn = true;
1716 } else {
1717 if (!qlcnic_sriov_vf_check(adapter))
1718 *interface_id = adapter->recv_ctx->context_id << 16;
1719 }
1720 }
1721
1722 int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
1723 {
1724 struct qlcnic_cmd_args *cmd = NULL;
1725 u32 temp = 0;
1726 int err;
1727
1728 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
1729 return -EIO;
1730
1731 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
1732 if (!cmd)
1733 return -ENOMEM;
1734
1735 err = qlcnic_alloc_mbx_args(cmd, adapter,
1736 QLCNIC_CMD_CONFIGURE_MAC_RX_MODE);
1737 if (err)
1738 goto out;
1739
1740 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
1741 qlcnic_83xx_set_interface_id_promisc(adapter, &temp);
1742
1743 if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter))
1744 mode = VPORT_MISS_MODE_ACCEPT_ALL;
1745
1746 cmd->req.arg[1] = mode | temp;
1747 err = qlcnic_issue_cmd(adapter, cmd);
1748 if (!err)
1749 return err;
1750
1751 qlcnic_free_mbx_args(cmd);
1752
1753 out:
1754 kfree(cmd);
1755 return err;
1756 }
1757
1758 int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
1759 {
1760 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1761 struct qlcnic_hardware_context *ahw = adapter->ahw;
1762 u8 drv_sds_rings = adapter->drv_sds_rings;
1763 u8 drv_tx_rings = adapter->drv_tx_rings;
1764 int ret = 0, loop = 0;
1765
1766 if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1767 netdev_warn(netdev,
1768 "Loopback test not supported in non privileged mode\n");
1769 return -ENOTSUPP;
1770 }
1771
1772 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1773 netdev_info(netdev, "Device is resetting\n");
1774 return -EBUSY;
1775 }
1776
1777 if (qlcnic_get_diag_lock(adapter)) {
1778 netdev_info(netdev, "Device is in diagnostics mode\n");
1779 return -EBUSY;
1780 }
1781
1782 netdev_info(netdev, "%s loopback test in progress\n",
1783 mode == QLCNIC_ILB_MODE ? "internal" : "external");
1784
1785 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST,
1786 drv_sds_rings);
1787 if (ret)
1788 goto fail_diag_alloc;
1789
1790 ret = qlcnic_83xx_set_lb_mode(adapter, mode);
1791 if (ret)
1792 goto free_diag_res;
1793
1794 /* Poll for link up event before running traffic */
1795 do {
1796 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1797
1798 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1799 netdev_info(netdev,
1800 "Device is resetting, free LB test resources\n");
1801 ret = -EBUSY;
1802 goto free_diag_res;
1803 }
1804 if (loop++ > QLC_83XX_LB_WAIT_COUNT) {
1805 netdev_info(netdev,
1806 "Firmware didn't sent link up event to loopback request\n");
1807 ret = -ETIMEDOUT;
1808 qlcnic_83xx_clear_lb_mode(adapter, mode);
1809 goto free_diag_res;
1810 }
1811 } while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
1812
1813 ret = qlcnic_do_lb_test(adapter, mode);
1814
1815 qlcnic_83xx_clear_lb_mode(adapter, mode);
1816
1817 free_diag_res:
1818 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
1819
1820 fail_diag_alloc:
1821 adapter->drv_sds_rings = drv_sds_rings;
1822 adapter->drv_tx_rings = drv_tx_rings;
1823 qlcnic_release_diag_lock(adapter);
1824 return ret;
1825 }
1826
1827 static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter,
1828 u32 *max_wait_count)
1829 {
1830 struct qlcnic_hardware_context *ahw = adapter->ahw;
1831 int temp;
1832
1833 netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n",
1834 ahw->extend_lb_time);
1835 temp = ahw->extend_lb_time * 1000;
1836 *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT;
1837 ahw->extend_lb_time = 0;
1838 }
1839
1840 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1841 {
1842 struct qlcnic_hardware_context *ahw = adapter->ahw;
1843 struct net_device *netdev = adapter->netdev;
1844 u32 config, max_wait_count;
1845 int status = 0, loop = 0;
1846
1847 ahw->extend_lb_time = 0;
1848 max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1849 status = qlcnic_83xx_get_port_config(adapter);
1850 if (status)
1851 return status;
1852
1853 config = ahw->port_config;
1854
1855 /* Check if port is already in loopback mode */
1856 if ((config & QLC_83XX_CFG_LOOPBACK_HSS) ||
1857 (config & QLC_83XX_CFG_LOOPBACK_EXT)) {
1858 netdev_err(netdev,
1859 "Port already in Loopback mode.\n");
1860 return -EINPROGRESS;
1861 }
1862
1863 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1864
1865 if (mode == QLCNIC_ILB_MODE)
1866 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS;
1867 if (mode == QLCNIC_ELB_MODE)
1868 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT;
1869
1870 status = qlcnic_83xx_set_port_config(adapter);
1871 if (status) {
1872 netdev_err(netdev,
1873 "Failed to Set Loopback Mode = 0x%x.\n",
1874 ahw->port_config);
1875 ahw->port_config = config;
1876 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1877 return status;
1878 }
1879
1880 /* Wait for Link and IDC Completion AEN */
1881 do {
1882 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1883
1884 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1885 netdev_info(netdev,
1886 "Device is resetting, free LB test resources\n");
1887 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1888 return -EBUSY;
1889 }
1890
1891 if (ahw->extend_lb_time)
1892 qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1893 &max_wait_count);
1894
1895 if (loop++ > max_wait_count) {
1896 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1897 __func__);
1898 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1899 qlcnic_83xx_clear_lb_mode(adapter, mode);
1900 return -ETIMEDOUT;
1901 }
1902 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1903
1904 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1905 QLCNIC_MAC_ADD);
1906 return status;
1907 }
1908
1909 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1910 {
1911 struct qlcnic_hardware_context *ahw = adapter->ahw;
1912 u32 config = ahw->port_config, max_wait_count;
1913 struct net_device *netdev = adapter->netdev;
1914 int status = 0, loop = 0;
1915
1916 ahw->extend_lb_time = 0;
1917 max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1918 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1919 if (mode == QLCNIC_ILB_MODE)
1920 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS;
1921 if (mode == QLCNIC_ELB_MODE)
1922 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT;
1923
1924 status = qlcnic_83xx_set_port_config(adapter);
1925 if (status) {
1926 netdev_err(netdev,
1927 "Failed to Clear Loopback Mode = 0x%x.\n",
1928 ahw->port_config);
1929 ahw->port_config = config;
1930 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1931 return status;
1932 }
1933
1934 /* Wait for Link and IDC Completion AEN */
1935 do {
1936 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1937
1938 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1939 netdev_info(netdev,
1940 "Device is resetting, free LB test resources\n");
1941 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1942 return -EBUSY;
1943 }
1944
1945 if (ahw->extend_lb_time)
1946 qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1947 &max_wait_count);
1948
1949 if (loop++ > max_wait_count) {
1950 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1951 __func__);
1952 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1953 return -ETIMEDOUT;
1954 }
1955 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1956
1957 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1958 QLCNIC_MAC_DEL);
1959 return status;
1960 }
1961
1962 static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1963 u32 *interface_id)
1964 {
1965 if (qlcnic_sriov_pf_check(adapter)) {
1966 qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id);
1967 } else {
1968 if (!qlcnic_sriov_vf_check(adapter))
1969 *interface_id = adapter->recv_ctx->context_id << 16;
1970 }
1971 }
1972
1973 void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip,
1974 int mode)
1975 {
1976 int err;
1977 u32 temp = 0, temp_ip;
1978 struct qlcnic_cmd_args cmd;
1979
1980 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1981 QLCNIC_CMD_CONFIGURE_IP_ADDR);
1982 if (err)
1983 return;
1984
1985 qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp);
1986
1987 if (mode == QLCNIC_IP_UP)
1988 cmd.req.arg[1] = 1 | temp;
1989 else
1990 cmd.req.arg[1] = 2 | temp;
1991
1992 /*
1993 * Adapter needs IP address in network byte order.
1994 * But hardware mailbox registers go through writel(), hence IP address
1995 * gets swapped on big endian architecture.
1996 * To negate swapping of writel() on big endian architecture
1997 * use swab32(value).
1998 */
1999
2000 temp_ip = swab32(ntohl(ip));
2001 memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32));
2002 err = qlcnic_issue_cmd(adapter, &cmd);
2003 if (err != QLCNIC_RCODE_SUCCESS)
2004 dev_err(&adapter->netdev->dev,
2005 "could not notify %s IP 0x%x request\n",
2006 (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
2007
2008 qlcnic_free_mbx_args(&cmd);
2009 }
2010
2011 int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode)
2012 {
2013 int err;
2014 u32 temp, arg1;
2015 struct qlcnic_cmd_args cmd;
2016 int lro_bit_mask;
2017
2018 lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0);
2019
2020 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2021 return 0;
2022
2023 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO);
2024 if (err)
2025 return err;
2026
2027 temp = adapter->recv_ctx->context_id << 16;
2028 arg1 = lro_bit_mask | temp;
2029 cmd.req.arg[1] = arg1;
2030
2031 err = qlcnic_issue_cmd(adapter, &cmd);
2032 if (err)
2033 dev_info(&adapter->pdev->dev, "LRO config failed\n");
2034 qlcnic_free_mbx_args(&cmd);
2035
2036 return err;
2037 }
2038
2039 int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable)
2040 {
2041 int err;
2042 u32 word;
2043 struct qlcnic_cmd_args cmd;
2044 const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
2045 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
2046 0x255b0ec26d5a56daULL };
2047
2048 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS);
2049 if (err)
2050 return err;
2051 /*
2052 * RSS request:
2053 * bits 3-0: Rsvd
2054 * 5-4: hash_type_ipv4
2055 * 7-6: hash_type_ipv6
2056 * 8: enable
2057 * 9: use indirection table
2058 * 16-31: indirection table mask
2059 */
2060 word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
2061 ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
2062 ((u32)(enable & 0x1) << 8) |
2063 ((0x7ULL) << 16);
2064 cmd.req.arg[1] = (adapter->recv_ctx->context_id);
2065 cmd.req.arg[2] = word;
2066 memcpy(&cmd.req.arg[4], key, sizeof(key));
2067
2068 err = qlcnic_issue_cmd(adapter, &cmd);
2069
2070 if (err)
2071 dev_info(&adapter->pdev->dev, "RSS config failed\n");
2072 qlcnic_free_mbx_args(&cmd);
2073
2074 return err;
2075
2076 }
2077
2078 static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
2079 u32 *interface_id)
2080 {
2081 if (qlcnic_sriov_pf_check(adapter)) {
2082 qlcnic_pf_set_interface_id_macaddr(adapter, interface_id);
2083 } else {
2084 if (!qlcnic_sriov_vf_check(adapter))
2085 *interface_id = adapter->recv_ctx->context_id << 16;
2086 }
2087 }
2088
2089 int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
2090 u16 vlan_id, u8 op)
2091 {
2092 struct qlcnic_cmd_args *cmd = NULL;
2093 struct qlcnic_macvlan_mbx mv;
2094 u32 *buf, temp = 0;
2095 int err;
2096
2097 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2098 return -EIO;
2099
2100 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
2101 if (!cmd)
2102 return -ENOMEM;
2103
2104 err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN);
2105 if (err)
2106 goto out;
2107
2108 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
2109
2110 if (vlan_id)
2111 op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
2112 QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
2113
2114 cmd->req.arg[1] = op | (1 << 8);
2115 qlcnic_83xx_set_interface_id_macaddr(adapter, &temp);
2116 cmd->req.arg[1] |= temp;
2117 mv.vlan = vlan_id;
2118 mv.mac_addr0 = addr[0];
2119 mv.mac_addr1 = addr[1];
2120 mv.mac_addr2 = addr[2];
2121 mv.mac_addr3 = addr[3];
2122 mv.mac_addr4 = addr[4];
2123 mv.mac_addr5 = addr[5];
2124 buf = &cmd->req.arg[2];
2125 memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
2126 err = qlcnic_issue_cmd(adapter, cmd);
2127 if (!err)
2128 return err;
2129
2130 qlcnic_free_mbx_args(cmd);
2131 out:
2132 kfree(cmd);
2133 return err;
2134 }
2135
2136 void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr,
2137 u16 vlan_id)
2138 {
2139 u8 mac[ETH_ALEN];
2140 memcpy(&mac, addr, ETH_ALEN);
2141 qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD);
2142 }
2143
2144 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac,
2145 u8 type, struct qlcnic_cmd_args *cmd)
2146 {
2147 switch (type) {
2148 case QLCNIC_SET_STATION_MAC:
2149 case QLCNIC_SET_FAC_DEF_MAC:
2150 memcpy(&cmd->req.arg[2], mac, sizeof(u32));
2151 memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16));
2152 break;
2153 }
2154 cmd->req.arg[1] = type;
2155 }
2156
2157 int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
2158 u8 function)
2159 {
2160 int err, i;
2161 struct qlcnic_cmd_args cmd;
2162 u32 mac_low, mac_high;
2163
2164 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
2165 if (err)
2166 return err;
2167
2168 qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd);
2169 err = qlcnic_issue_cmd(adapter, &cmd);
2170
2171 if (err == QLCNIC_RCODE_SUCCESS) {
2172 mac_low = cmd.rsp.arg[1];
2173 mac_high = cmd.rsp.arg[2];
2174
2175 for (i = 0; i < 2; i++)
2176 mac[i] = (u8) (mac_high >> ((1 - i) * 8));
2177 for (i = 2; i < 6; i++)
2178 mac[i] = (u8) (mac_low >> ((5 - i) * 8));
2179 } else {
2180 dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n",
2181 err);
2182 err = -EIO;
2183 }
2184 qlcnic_free_mbx_args(&cmd);
2185 return err;
2186 }
2187
2188 static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter)
2189 {
2190 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2191 struct qlcnic_cmd_args cmd;
2192 u16 temp;
2193 int err;
2194
2195 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2196 if (err)
2197 return err;
2198
2199 temp = adapter->recv_ctx->context_id;
2200 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16;
2201 temp = coal->rx_time_us;
2202 cmd.req.arg[2] = coal->rx_packets | temp << 16;
2203 cmd.req.arg[3] = coal->flag;
2204
2205 err = qlcnic_issue_cmd(adapter, &cmd);
2206 if (err != QLCNIC_RCODE_SUCCESS)
2207 netdev_err(adapter->netdev,
2208 "failed to set interrupt coalescing parameters\n");
2209
2210 qlcnic_free_mbx_args(&cmd);
2211
2212 return err;
2213 }
2214
2215 static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter)
2216 {
2217 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2218 struct qlcnic_cmd_args cmd;
2219 u16 temp;
2220 int err;
2221
2222 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2223 if (err)
2224 return err;
2225
2226 temp = adapter->tx_ring->ctx_id;
2227 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16;
2228 temp = coal->tx_time_us;
2229 cmd.req.arg[2] = coal->tx_packets | temp << 16;
2230 cmd.req.arg[3] = coal->flag;
2231
2232 err = qlcnic_issue_cmd(adapter, &cmd);
2233 if (err != QLCNIC_RCODE_SUCCESS)
2234 netdev_err(adapter->netdev,
2235 "failed to set interrupt coalescing parameters\n");
2236
2237 qlcnic_free_mbx_args(&cmd);
2238
2239 return err;
2240 }
2241
2242 int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter)
2243 {
2244 int err = 0;
2245
2246 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2247 if (err)
2248 netdev_err(adapter->netdev,
2249 "failed to set Rx coalescing parameters\n");
2250
2251 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2252 if (err)
2253 netdev_err(adapter->netdev,
2254 "failed to set Tx coalescing parameters\n");
2255
2256 return err;
2257 }
2258
2259 int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter,
2260 struct ethtool_coalesce *ethcoal)
2261 {
2262 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2263 u32 rx_coalesce_usecs, rx_max_frames;
2264 u32 tx_coalesce_usecs, tx_max_frames;
2265 int err;
2266
2267 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2268 return -EIO;
2269
2270 tx_coalesce_usecs = ethcoal->tx_coalesce_usecs;
2271 tx_max_frames = ethcoal->tx_max_coalesced_frames;
2272 rx_coalesce_usecs = ethcoal->rx_coalesce_usecs;
2273 rx_max_frames = ethcoal->rx_max_coalesced_frames;
2274 coal->flag = QLCNIC_INTR_DEFAULT;
2275
2276 if ((coal->rx_time_us == rx_coalesce_usecs) &&
2277 (coal->rx_packets == rx_max_frames)) {
2278 coal->type = QLCNIC_INTR_COAL_TYPE_TX;
2279 coal->tx_time_us = tx_coalesce_usecs;
2280 coal->tx_packets = tx_max_frames;
2281 } else if ((coal->tx_time_us == tx_coalesce_usecs) &&
2282 (coal->tx_packets == tx_max_frames)) {
2283 coal->type = QLCNIC_INTR_COAL_TYPE_RX;
2284 coal->rx_time_us = rx_coalesce_usecs;
2285 coal->rx_packets = rx_max_frames;
2286 } else {
2287 coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2288 coal->rx_time_us = rx_coalesce_usecs;
2289 coal->rx_packets = rx_max_frames;
2290 coal->tx_time_us = tx_coalesce_usecs;
2291 coal->tx_packets = tx_max_frames;
2292 }
2293
2294 switch (coal->type) {
2295 case QLCNIC_INTR_COAL_TYPE_RX:
2296 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2297 break;
2298 case QLCNIC_INTR_COAL_TYPE_TX:
2299 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2300 break;
2301 case QLCNIC_INTR_COAL_TYPE_RX_TX:
2302 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
2303 break;
2304 default:
2305 err = -EINVAL;
2306 netdev_err(adapter->netdev,
2307 "Invalid Interrupt coalescing type\n");
2308 break;
2309 }
2310
2311 return err;
2312 }
2313
2314 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
2315 u32 data[])
2316 {
2317 struct qlcnic_hardware_context *ahw = adapter->ahw;
2318 u8 link_status, duplex;
2319 /* link speed */
2320 link_status = LSB(data[3]) & 1;
2321 if (link_status) {
2322 ahw->link_speed = MSW(data[2]);
2323 duplex = LSB(MSW(data[3]));
2324 if (duplex)
2325 ahw->link_duplex = DUPLEX_FULL;
2326 else
2327 ahw->link_duplex = DUPLEX_HALF;
2328 } else {
2329 ahw->link_speed = SPEED_UNKNOWN;
2330 ahw->link_duplex = DUPLEX_UNKNOWN;
2331 }
2332
2333 ahw->link_autoneg = MSB(MSW(data[3]));
2334 ahw->module_type = MSB(LSW(data[3]));
2335 ahw->has_link_events = 1;
2336 ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK;
2337 qlcnic_advert_link_change(adapter, link_status);
2338 }
2339
2340 static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data)
2341 {
2342 u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
2343 struct qlcnic_adapter *adapter = data;
2344 struct qlcnic_mailbox *mbx;
2345 unsigned long flags;
2346
2347 mbx = adapter->ahw->mailbox;
2348 spin_lock_irqsave(&mbx->aen_lock, flags);
2349 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
2350 if (!(resp & QLCNIC_SET_OWNER))
2351 goto out;
2352
2353 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
2354 if (event & QLCNIC_MBX_ASYNC_EVENT) {
2355 __qlcnic_83xx_process_aen(adapter);
2356 } else {
2357 if (mbx->rsp_status != rsp_status)
2358 qlcnic_83xx_notify_mbx_response(mbx);
2359 else
2360 adapter->stats.mbx_spurious_intr++;
2361 }
2362
2363 out:
2364 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
2365 writel(0, adapter->ahw->pci_base0 + mask);
2366 spin_unlock_irqrestore(&mbx->aen_lock, flags);
2367 return IRQ_HANDLED;
2368 }
2369
2370 int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter,
2371 struct qlcnic_info *nic)
2372 {
2373 int i, err = -EIO;
2374 struct qlcnic_cmd_args cmd;
2375
2376 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
2377 dev_err(&adapter->pdev->dev,
2378 "%s: Error, invoked by non management func\n",
2379 __func__);
2380 return err;
2381 }
2382
2383 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
2384 if (err)
2385 return err;
2386
2387 cmd.req.arg[1] = (nic->pci_func << 16);
2388 cmd.req.arg[2] = 0x1 << 16;
2389 cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16);
2390 cmd.req.arg[4] = nic->capabilities;
2391 cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16);
2392 cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16);
2393 cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16);
2394 for (i = 8; i < 32; i++)
2395 cmd.req.arg[i] = 0;
2396
2397 err = qlcnic_issue_cmd(adapter, &cmd);
2398
2399 if (err != QLCNIC_RCODE_SUCCESS) {
2400 dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n",
2401 err);
2402 err = -EIO;
2403 }
2404
2405 qlcnic_free_mbx_args(&cmd);
2406
2407 return err;
2408 }
2409
2410 int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter,
2411 struct qlcnic_info *npar_info, u8 func_id)
2412 {
2413 int err;
2414 u32 temp;
2415 u8 op = 0;
2416 struct qlcnic_cmd_args cmd;
2417 struct qlcnic_hardware_context *ahw = adapter->ahw;
2418
2419 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
2420 if (err)
2421 return err;
2422
2423 if (func_id != ahw->pci_func) {
2424 temp = func_id << 16;
2425 cmd.req.arg[1] = op | BIT_31 | temp;
2426 } else {
2427 cmd.req.arg[1] = ahw->pci_func << 16;
2428 }
2429 err = qlcnic_issue_cmd(adapter, &cmd);
2430 if (err) {
2431 dev_info(&adapter->pdev->dev,
2432 "Failed to get nic info %d\n", err);
2433 goto out;
2434 }
2435
2436 npar_info->op_type = cmd.rsp.arg[1];
2437 npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF;
2438 npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16;
2439 npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF;
2440 npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16;
2441 npar_info->capabilities = cmd.rsp.arg[4];
2442 npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF;
2443 npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16;
2444 npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF;
2445 npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16;
2446 npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF;
2447 npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16;
2448 if (cmd.rsp.arg[8] & 0x1)
2449 npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1;
2450 if (cmd.rsp.arg[8] & 0x10000) {
2451 temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17;
2452 npar_info->max_linkspeed_reg_offset = temp;
2453 }
2454
2455 memcpy(ahw->extra_capability, &cmd.rsp.arg[16],
2456 sizeof(ahw->extra_capability));
2457
2458 out:
2459 qlcnic_free_mbx_args(&cmd);
2460 return err;
2461 }
2462
2463 int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type,
2464 u16 *nic, u16 *fcoe, u16 *iscsi)
2465 {
2466 struct device *dev = &adapter->pdev->dev;
2467 int err = 0;
2468
2469 switch (type) {
2470 case QLCNIC_TYPE_NIC:
2471 (*nic)++;
2472 break;
2473 case QLCNIC_TYPE_FCOE:
2474 (*fcoe)++;
2475 break;
2476 case QLCNIC_TYPE_ISCSI:
2477 (*iscsi)++;
2478 break;
2479 default:
2480 dev_err(dev, "%s: Unknown PCI type[%x]\n",
2481 __func__, type);
2482 err = -EIO;
2483 }
2484
2485 return err;
2486 }
2487
2488 int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter,
2489 struct qlcnic_pci_info *pci_info)
2490 {
2491 struct qlcnic_hardware_context *ahw = adapter->ahw;
2492 struct device *dev = &adapter->pdev->dev;
2493 u16 nic = 0, fcoe = 0, iscsi = 0;
2494 struct qlcnic_cmd_args cmd;
2495 int i, err = 0, j = 0;
2496 u32 temp;
2497
2498 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
2499 if (err)
2500 return err;
2501
2502 err = qlcnic_issue_cmd(adapter, &cmd);
2503
2504 ahw->total_nic_func = 0;
2505 if (err == QLCNIC_RCODE_SUCCESS) {
2506 ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF;
2507 for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) {
2508 pci_info->id = cmd.rsp.arg[i] & 0xFFFF;
2509 pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2510 i++;
2511 if (!pci_info->active) {
2512 i += QLC_SKIP_INACTIVE_PCI_REGS;
2513 continue;
2514 }
2515 pci_info->type = cmd.rsp.arg[i] & 0xFFFF;
2516 err = qlcnic_get_pci_func_type(adapter, pci_info->type,
2517 &nic, &fcoe, &iscsi);
2518 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2519 pci_info->default_port = temp;
2520 i++;
2521 pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF;
2522 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2523 pci_info->tx_max_bw = temp;
2524 i = i + 2;
2525 memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2);
2526 i++;
2527 memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2);
2528 i = i + 3;
2529 }
2530 } else {
2531 dev_err(dev, "Failed to get PCI Info, error = %d\n", err);
2532 err = -EIO;
2533 }
2534
2535 ahw->total_nic_func = nic;
2536 ahw->total_pci_func = nic + fcoe + iscsi;
2537 if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
2538 dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
2539 __func__, ahw->total_nic_func, ahw->total_pci_func);
2540 err = -EIO;
2541 }
2542 qlcnic_free_mbx_args(&cmd);
2543
2544 return err;
2545 }
2546
2547 int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type)
2548 {
2549 int i, index, err;
2550 u8 max_ints;
2551 u32 val, temp, type;
2552 struct qlcnic_cmd_args cmd;
2553
2554 max_ints = adapter->ahw->num_msix - 1;
2555 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT);
2556 if (err)
2557 return err;
2558
2559 cmd.req.arg[1] = max_ints;
2560
2561 if (qlcnic_sriov_vf_check(adapter))
2562 cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16;
2563
2564 for (i = 0, index = 2; i < max_ints; i++) {
2565 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
2566 val = type | (adapter->ahw->intr_tbl[i].type << 4);
2567 if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
2568 val |= (adapter->ahw->intr_tbl[i].id << 16);
2569 cmd.req.arg[index++] = val;
2570 }
2571 err = qlcnic_issue_cmd(adapter, &cmd);
2572 if (err) {
2573 dev_err(&adapter->pdev->dev,
2574 "Failed to configure interrupts 0x%x\n", err);
2575 goto out;
2576 }
2577
2578 max_ints = cmd.rsp.arg[1];
2579 for (i = 0, index = 2; i < max_ints; i++, index += 2) {
2580 val = cmd.rsp.arg[index];
2581 if (LSB(val)) {
2582 dev_info(&adapter->pdev->dev,
2583 "Can't configure interrupt %d\n",
2584 adapter->ahw->intr_tbl[i].id);
2585 continue;
2586 }
2587 if (op_type) {
2588 adapter->ahw->intr_tbl[i].id = MSW(val);
2589 adapter->ahw->intr_tbl[i].enabled = 1;
2590 temp = cmd.rsp.arg[index + 1];
2591 adapter->ahw->intr_tbl[i].src = temp;
2592 } else {
2593 adapter->ahw->intr_tbl[i].id = i;
2594 adapter->ahw->intr_tbl[i].enabled = 0;
2595 adapter->ahw->intr_tbl[i].src = 0;
2596 }
2597 }
2598 out:
2599 qlcnic_free_mbx_args(&cmd);
2600 return err;
2601 }
2602
2603 int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter)
2604 {
2605 int id, timeout = 0;
2606 u32 status = 0;
2607
2608 while (status == 0) {
2609 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK);
2610 if (status)
2611 break;
2612
2613 if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) {
2614 id = QLC_SHARED_REG_RD32(adapter,
2615 QLCNIC_FLASH_LOCK_OWNER);
2616 dev_err(&adapter->pdev->dev,
2617 "%s: failed, lock held by %d\n", __func__, id);
2618 return -EIO;
2619 }
2620 usleep_range(1000, 2000);
2621 }
2622
2623 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum);
2624 return 0;
2625 }
2626
2627 void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter)
2628 {
2629 QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK);
2630 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF);
2631 }
2632
2633 int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter,
2634 u32 flash_addr, u8 *p_data,
2635 int count)
2636 {
2637 u32 word, range, flash_offset, addr = flash_addr, ret;
2638 ulong indirect_add, direct_window;
2639 int i, err = 0;
2640
2641 flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1);
2642 if (addr & 0x3) {
2643 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
2644 return -EIO;
2645 }
2646
2647 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW,
2648 (addr & 0xFFFF0000));
2649
2650 range = flash_offset + (count * sizeof(u32));
2651 /* Check if data is spread across multiple sectors */
2652 if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2653
2654 /* Multi sector read */
2655 for (i = 0; i < count; i++) {
2656 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2657 ret = QLCRD32(adapter, indirect_add, &err);
2658 if (err == -EIO)
2659 return err;
2660
2661 word = ret;
2662 *(u32 *)p_data = word;
2663 p_data = p_data + 4;
2664 addr = addr + 4;
2665 flash_offset = flash_offset + 4;
2666
2667 if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2668 direct_window = QLC_83XX_FLASH_DIRECT_WINDOW;
2669 /* This write is needed once for each sector */
2670 qlcnic_83xx_wrt_reg_indirect(adapter,
2671 direct_window,
2672 (addr));
2673 flash_offset = 0;
2674 }
2675 }
2676 } else {
2677 /* Single sector read */
2678 for (i = 0; i < count; i++) {
2679 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2680 ret = QLCRD32(adapter, indirect_add, &err);
2681 if (err == -EIO)
2682 return err;
2683
2684 word = ret;
2685 *(u32 *)p_data = word;
2686 p_data = p_data + 4;
2687 addr = addr + 4;
2688 }
2689 }
2690
2691 return 0;
2692 }
2693
2694 static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter)
2695 {
2696 u32 status;
2697 int retries = QLC_83XX_FLASH_READ_RETRY_COUNT;
2698 int err = 0;
2699
2700 do {
2701 status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err);
2702 if (err == -EIO)
2703 return err;
2704
2705 if ((status & QLC_83XX_FLASH_STATUS_READY) ==
2706 QLC_83XX_FLASH_STATUS_READY)
2707 break;
2708
2709 usleep_range(1000, 1100);
2710 } while (--retries);
2711
2712 if (!retries)
2713 return -EIO;
2714
2715 return 0;
2716 }
2717
2718 int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter)
2719 {
2720 int ret;
2721 u32 cmd;
2722 cmd = adapter->ahw->fdt.write_statusreg_cmd;
2723 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2724 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd));
2725 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2726 adapter->ahw->fdt.write_enable_bits);
2727 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2728 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2729 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2730 if (ret)
2731 return -EIO;
2732
2733 return 0;
2734 }
2735
2736 int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter)
2737 {
2738 int ret;
2739
2740 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2741 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG |
2742 adapter->ahw->fdt.write_statusreg_cmd));
2743 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2744 adapter->ahw->fdt.write_disable_bits);
2745 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2746 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2747 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2748 if (ret)
2749 return -EIO;
2750
2751 return 0;
2752 }
2753
2754 int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter)
2755 {
2756 int ret, err = 0;
2757 u32 mfg_id;
2758
2759 if (qlcnic_83xx_lock_flash(adapter))
2760 return -EIO;
2761
2762 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2763 QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL);
2764 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2765 QLC_83XX_FLASH_READ_CTRL);
2766 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2767 if (ret) {
2768 qlcnic_83xx_unlock_flash(adapter);
2769 return -EIO;
2770 }
2771
2772 mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
2773 if (err == -EIO) {
2774 qlcnic_83xx_unlock_flash(adapter);
2775 return err;
2776 }
2777
2778 adapter->flash_mfg_id = (mfg_id & 0xFF);
2779 qlcnic_83xx_unlock_flash(adapter);
2780
2781 return 0;
2782 }
2783
2784 int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter)
2785 {
2786 int count, fdt_size, ret = 0;
2787
2788 fdt_size = sizeof(struct qlcnic_fdt);
2789 count = fdt_size / sizeof(u32);
2790
2791 if (qlcnic_83xx_lock_flash(adapter))
2792 return -EIO;
2793
2794 memset(&adapter->ahw->fdt, 0, fdt_size);
2795 ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION,
2796 (u8 *)&adapter->ahw->fdt,
2797 count);
2798 qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count);
2799 qlcnic_83xx_unlock_flash(adapter);
2800 return ret;
2801 }
2802
2803 int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter,
2804 u32 sector_start_addr)
2805 {
2806 u32 reversed_addr, addr1, addr2, cmd;
2807 int ret = -EIO;
2808
2809 if (qlcnic_83xx_lock_flash(adapter) != 0)
2810 return -EIO;
2811
2812 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2813 ret = qlcnic_83xx_enable_flash_write(adapter);
2814 if (ret) {
2815 qlcnic_83xx_unlock_flash(adapter);
2816 dev_err(&adapter->pdev->dev,
2817 "%s failed at %d\n",
2818 __func__, __LINE__);
2819 return ret;
2820 }
2821 }
2822
2823 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2824 if (ret) {
2825 qlcnic_83xx_unlock_flash(adapter);
2826 dev_err(&adapter->pdev->dev,
2827 "%s: failed at %d\n", __func__, __LINE__);
2828 return -EIO;
2829 }
2830
2831 addr1 = (sector_start_addr & 0xFF) << 16;
2832 addr2 = (sector_start_addr & 0xFF0000) >> 16;
2833 reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00);
2834
2835 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2836 reversed_addr);
2837 cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd;
2838 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id)
2839 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd);
2840 else
2841 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2842 QLC_83XX_FLASH_OEM_ERASE_SIG);
2843 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2844 QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2845
2846 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2847 if (ret) {
2848 qlcnic_83xx_unlock_flash(adapter);
2849 dev_err(&adapter->pdev->dev,
2850 "%s: failed at %d\n", __func__, __LINE__);
2851 return -EIO;
2852 }
2853
2854 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2855 ret = qlcnic_83xx_disable_flash_write(adapter);
2856 if (ret) {
2857 qlcnic_83xx_unlock_flash(adapter);
2858 dev_err(&adapter->pdev->dev,
2859 "%s: failed at %d\n", __func__, __LINE__);
2860 return ret;
2861 }
2862 }
2863
2864 qlcnic_83xx_unlock_flash(adapter);
2865
2866 return 0;
2867 }
2868
2869 int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr,
2870 u32 *p_data)
2871 {
2872 int ret = -EIO;
2873 u32 addr1 = 0x00800000 | (addr >> 2);
2874
2875 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1);
2876 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data);
2877 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2878 QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2879 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2880 if (ret) {
2881 dev_err(&adapter->pdev->dev,
2882 "%s: failed at %d\n", __func__, __LINE__);
2883 return -EIO;
2884 }
2885
2886 return 0;
2887 }
2888
2889 int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr,
2890 u32 *p_data, int count)
2891 {
2892 u32 temp;
2893 int ret = -EIO, err = 0;
2894
2895 if ((count < QLC_83XX_FLASH_WRITE_MIN) ||
2896 (count > QLC_83XX_FLASH_WRITE_MAX)) {
2897 dev_err(&adapter->pdev->dev,
2898 "%s: Invalid word count\n", __func__);
2899 return -EIO;
2900 }
2901
2902 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2903 if (err == -EIO)
2904 return err;
2905
2906 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL,
2907 (temp | QLC_83XX_FLASH_SPI_CTRL));
2908 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2909 QLC_83XX_FLASH_ADDR_TEMP_VAL);
2910
2911 /* First DWORD write */
2912 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2913 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2914 QLC_83XX_FLASH_FIRST_MS_PATTERN);
2915 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2916 if (ret) {
2917 dev_err(&adapter->pdev->dev,
2918 "%s: failed at %d\n", __func__, __LINE__);
2919 return -EIO;
2920 }
2921
2922 count--;
2923 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2924 QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL);
2925 /* Second to N-1 DWORD writes */
2926 while (count != 1) {
2927 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2928 *p_data++);
2929 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2930 QLC_83XX_FLASH_SECOND_MS_PATTERN);
2931 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2932 if (ret) {
2933 dev_err(&adapter->pdev->dev,
2934 "%s: failed at %d\n", __func__, __LINE__);
2935 return -EIO;
2936 }
2937 count--;
2938 }
2939
2940 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2941 QLC_83XX_FLASH_ADDR_TEMP_VAL |
2942 (addr >> 2));
2943 /* Last DWORD write */
2944 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2945 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2946 QLC_83XX_FLASH_LAST_MS_PATTERN);
2947 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2948 if (ret) {
2949 dev_err(&adapter->pdev->dev,
2950 "%s: failed at %d\n", __func__, __LINE__);
2951 return -EIO;
2952 }
2953
2954 ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err);
2955 if (err == -EIO)
2956 return err;
2957
2958 if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) {
2959 dev_err(&adapter->pdev->dev, "%s: failed at %d\n",
2960 __func__, __LINE__);
2961 /* Operation failed, clear error bit */
2962 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2963 if (err == -EIO)
2964 return err;
2965
2966 qlcnic_83xx_wrt_reg_indirect(adapter,
2967 QLC_83XX_FLASH_SPI_CONTROL,
2968 (temp | QLC_83XX_FLASH_SPI_CTRL));
2969 }
2970
2971 return 0;
2972 }
2973
2974 static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter)
2975 {
2976 u32 val, id;
2977
2978 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2979
2980 /* Check if recovery need to be performed by the calling function */
2981 if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) {
2982 val = val & ~0x3F;
2983 val = val | ((adapter->portnum << 2) |
2984 QLC_83XX_NEED_DRV_LOCK_RECOVERY);
2985 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2986 dev_info(&adapter->pdev->dev,
2987 "%s: lock recovery initiated\n", __func__);
2988 msleep(QLC_83XX_DRV_LOCK_RECOVERY_DELAY);
2989 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2990 id = ((val >> 2) & 0xF);
2991 if (id == adapter->portnum) {
2992 val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK;
2993 val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS;
2994 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2995 /* Force release the lock */
2996 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
2997 /* Clear recovery bits */
2998 val = val & ~0x3F;
2999 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
3000 dev_info(&adapter->pdev->dev,
3001 "%s: lock recovery completed\n", __func__);
3002 } else {
3003 dev_info(&adapter->pdev->dev,
3004 "%s: func %d to resume lock recovery process\n",
3005 __func__, id);
3006 }
3007 } else {
3008 dev_info(&adapter->pdev->dev,
3009 "%s: lock recovery initiated by other functions\n",
3010 __func__);
3011 }
3012 }
3013
3014 int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter)
3015 {
3016 u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0;
3017 int max_attempt = 0;
3018
3019 while (status == 0) {
3020 status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK);
3021 if (status)
3022 break;
3023
3024 msleep(QLC_83XX_DRV_LOCK_WAIT_DELAY);
3025 i++;
3026
3027 if (i == 1)
3028 temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3029
3030 if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) {
3031 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3032 if (val == temp) {
3033 id = val & 0xFF;
3034 dev_info(&adapter->pdev->dev,
3035 "%s: lock to be recovered from %d\n",
3036 __func__, id);
3037 qlcnic_83xx_recover_driver_lock(adapter);
3038 i = 0;
3039 max_attempt++;
3040 } else {
3041 dev_err(&adapter->pdev->dev,
3042 "%s: failed to get lock\n", __func__);
3043 return -EIO;
3044 }
3045 }
3046
3047 /* Force exit from while loop after few attempts */
3048 if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) {
3049 dev_err(&adapter->pdev->dev,
3050 "%s: failed to get lock\n", __func__);
3051 return -EIO;
3052 }
3053 }
3054
3055 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3056 lock_alive_counter = val >> 8;
3057 lock_alive_counter++;
3058 val = lock_alive_counter << 8 | adapter->portnum;
3059 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3060
3061 return 0;
3062 }
3063
3064 void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter)
3065 {
3066 u32 val, lock_alive_counter, id;
3067
3068 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3069 id = val & 0xFF;
3070 lock_alive_counter = val >> 8;
3071
3072 if (id != adapter->portnum)
3073 dev_err(&adapter->pdev->dev,
3074 "%s:Warning func %d is unlocking lock owned by %d\n",
3075 __func__, adapter->portnum, id);
3076
3077 val = (lock_alive_counter << 8) | 0xFF;
3078 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3079 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
3080 }
3081
3082 int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr,
3083 u32 *data, u32 count)
3084 {
3085 int i, j, ret = 0;
3086 u32 temp;
3087
3088 /* Check alignment */
3089 if (addr & 0xF)
3090 return -EIO;
3091
3092 mutex_lock(&adapter->ahw->mem_lock);
3093 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0);
3094
3095 for (i = 0; i < count; i++, addr += 16) {
3096 if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET,
3097 QLCNIC_ADDR_QDR_NET_MAX)) ||
3098 (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET,
3099 QLCNIC_ADDR_DDR_NET_MAX)))) {
3100 mutex_unlock(&adapter->ahw->mem_lock);
3101 return -EIO;
3102 }
3103
3104 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr);
3105 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++);
3106 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++);
3107 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++);
3108 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++);
3109 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE);
3110 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START);
3111
3112 for (j = 0; j < MAX_CTL_CHECK; j++) {
3113 temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL);
3114
3115 if ((temp & TA_CTL_BUSY) == 0)
3116 break;
3117 }
3118
3119 /* Status check failure */
3120 if (j >= MAX_CTL_CHECK) {
3121 printk_ratelimited(KERN_WARNING
3122 "MS memory write failed\n");
3123 mutex_unlock(&adapter->ahw->mem_lock);
3124 return -EIO;
3125 }
3126 }
3127
3128 mutex_unlock(&adapter->ahw->mem_lock);
3129
3130 return ret;
3131 }
3132
3133 int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr,
3134 u8 *p_data, int count)
3135 {
3136 u32 word, addr = flash_addr, ret;
3137 ulong indirect_addr;
3138 int i, err = 0;
3139
3140 if (qlcnic_83xx_lock_flash(adapter) != 0)
3141 return -EIO;
3142
3143 if (addr & 0x3) {
3144 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
3145 qlcnic_83xx_unlock_flash(adapter);
3146 return -EIO;
3147 }
3148
3149 for (i = 0; i < count; i++) {
3150 if (qlcnic_83xx_wrt_reg_indirect(adapter,
3151 QLC_83XX_FLASH_DIRECT_WINDOW,
3152 (addr))) {
3153 qlcnic_83xx_unlock_flash(adapter);
3154 return -EIO;
3155 }
3156
3157 indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr);
3158 ret = QLCRD32(adapter, indirect_addr, &err);
3159 if (err == -EIO)
3160 return err;
3161
3162 word = ret;
3163 *(u32 *)p_data = word;
3164 p_data = p_data + 4;
3165 addr = addr + 4;
3166 }
3167
3168 qlcnic_83xx_unlock_flash(adapter);
3169
3170 return 0;
3171 }
3172
3173 void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter)
3174 {
3175 struct qlcnic_hardware_context *ahw = adapter->ahw;
3176 struct qlcnic_cmd_args cmd;
3177 u32 config;
3178 int err;
3179
3180 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3181 if (err)
3182 return;
3183
3184 err = qlcnic_issue_cmd(adapter, &cmd);
3185 if (err) {
3186 dev_info(&adapter->pdev->dev,
3187 "Get Link Status Command failed: 0x%x\n", err);
3188 goto out;
3189 } else {
3190 config = cmd.rsp.arg[3];
3191
3192 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3193 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3194 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3195 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3196 case QLC_83XX_MODULE_TP_1000BASE_T:
3197 ahw->port_type = QLCNIC_GBE;
3198 break;
3199 default:
3200 ahw->port_type = QLCNIC_XGBE;
3201 }
3202 }
3203 out:
3204 qlcnic_free_mbx_args(&cmd);
3205 }
3206
3207 int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter)
3208 {
3209 u8 pci_func;
3210 int err;
3211 u32 config = 0, state;
3212 struct qlcnic_cmd_args cmd;
3213 struct qlcnic_hardware_context *ahw = adapter->ahw;
3214
3215 if (qlcnic_sriov_vf_check(adapter))
3216 pci_func = adapter->portnum;
3217 else
3218 pci_func = ahw->pci_func;
3219
3220 state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func));
3221 if (!QLC_83xx_FUNC_VAL(state, pci_func)) {
3222 dev_info(&adapter->pdev->dev, "link state down\n");
3223 return config;
3224 }
3225
3226 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3227 if (err)
3228 return err;
3229
3230 err = qlcnic_issue_cmd(adapter, &cmd);
3231 if (err) {
3232 dev_info(&adapter->pdev->dev,
3233 "Get Link Status Command failed: 0x%x\n", err);
3234 goto out;
3235 } else {
3236 config = cmd.rsp.arg[1];
3237 switch (QLC_83XX_CURRENT_LINK_SPEED(config)) {
3238 case QLC_83XX_10M_LINK:
3239 ahw->link_speed = SPEED_10;
3240 break;
3241 case QLC_83XX_100M_LINK:
3242 ahw->link_speed = SPEED_100;
3243 break;
3244 case QLC_83XX_1G_LINK:
3245 ahw->link_speed = SPEED_1000;
3246 break;
3247 case QLC_83XX_10G_LINK:
3248 ahw->link_speed = SPEED_10000;
3249 break;
3250 default:
3251 ahw->link_speed = 0;
3252 break;
3253 }
3254 config = cmd.rsp.arg[3];
3255 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3256 case QLC_83XX_MODULE_FIBRE_10GBASE_LRM:
3257 case QLC_83XX_MODULE_FIBRE_10GBASE_LR:
3258 case QLC_83XX_MODULE_FIBRE_10GBASE_SR:
3259 ahw->supported_type = PORT_FIBRE;
3260 ahw->port_type = QLCNIC_XGBE;
3261 break;
3262 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3263 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3264 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3265 ahw->supported_type = PORT_FIBRE;
3266 ahw->port_type = QLCNIC_GBE;
3267 break;
3268 case QLC_83XX_MODULE_TP_1000BASE_T:
3269 ahw->supported_type = PORT_TP;
3270 ahw->port_type = QLCNIC_GBE;
3271 break;
3272 case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP:
3273 case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP:
3274 case QLC_83XX_MODULE_DA_10GE_LEGACY_CP:
3275 case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP:
3276 ahw->supported_type = PORT_DA;
3277 ahw->port_type = QLCNIC_XGBE;
3278 break;
3279 default:
3280 ahw->supported_type = PORT_OTHER;
3281 ahw->port_type = QLCNIC_XGBE;
3282 }
3283 if (config & 1)
3284 err = 1;
3285 }
3286 out:
3287 qlcnic_free_mbx_args(&cmd);
3288 return config;
3289 }
3290
3291 int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter,
3292 struct ethtool_link_ksettings *ecmd)
3293 {
3294 struct qlcnic_hardware_context *ahw = adapter->ahw;
3295 u32 config = 0;
3296 int status = 0;
3297 u32 supported, advertising;
3298
3299 if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3300 /* Get port configuration info */
3301 status = qlcnic_83xx_get_port_info(adapter);
3302 /* Get Link Status related info */
3303 config = qlcnic_83xx_test_link(adapter);
3304 ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config);
3305 }
3306
3307 /* hard code until there is a way to get it from flash */
3308 ahw->board_type = QLCNIC_BRDTYPE_83XX_10G;
3309
3310 if (netif_running(adapter->netdev) && ahw->has_link_events) {
3311 ecmd->base.speed = ahw->link_speed;
3312 ecmd->base.duplex = ahw->link_duplex;
3313 ecmd->base.autoneg = ahw->link_autoneg;
3314 } else {
3315 ecmd->base.speed = SPEED_UNKNOWN;
3316 ecmd->base.duplex = DUPLEX_UNKNOWN;
3317 ecmd->base.autoneg = AUTONEG_DISABLE;
3318 }
3319
3320 supported = (SUPPORTED_10baseT_Full |
3321 SUPPORTED_100baseT_Full |
3322 SUPPORTED_1000baseT_Full |
3323 SUPPORTED_10000baseT_Full |
3324 SUPPORTED_Autoneg);
3325
3326 ethtool_convert_link_mode_to_legacy_u32(&advertising,
3327 ecmd->link_modes.advertising);
3328
3329 if (ecmd->base.autoneg == AUTONEG_ENABLE) {
3330 if (ahw->port_config & QLC_83XX_10_CAPABLE)
3331 advertising |= SUPPORTED_10baseT_Full;
3332 if (ahw->port_config & QLC_83XX_100_CAPABLE)
3333 advertising |= SUPPORTED_100baseT_Full;
3334 if (ahw->port_config & QLC_83XX_1G_CAPABLE)
3335 advertising |= SUPPORTED_1000baseT_Full;
3336 if (ahw->port_config & QLC_83XX_10G_CAPABLE)
3337 advertising |= SUPPORTED_10000baseT_Full;
3338 if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE)
3339 advertising |= ADVERTISED_Autoneg;
3340 } else {
3341 switch (ahw->link_speed) {
3342 case SPEED_10:
3343 advertising = SUPPORTED_10baseT_Full;
3344 break;
3345 case SPEED_100:
3346 advertising = SUPPORTED_100baseT_Full;
3347 break;
3348 case SPEED_1000:
3349 advertising = SUPPORTED_1000baseT_Full;
3350 break;
3351 case SPEED_10000:
3352 advertising = SUPPORTED_10000baseT_Full;
3353 break;
3354 default:
3355 break;
3356 }
3357
3358 }
3359
3360 switch (ahw->supported_type) {
3361 case PORT_FIBRE:
3362 supported |= SUPPORTED_FIBRE;
3363 advertising |= ADVERTISED_FIBRE;
3364 ecmd->base.port = PORT_FIBRE;
3365 break;
3366 case PORT_TP:
3367 supported |= SUPPORTED_TP;
3368 advertising |= ADVERTISED_TP;
3369 ecmd->base.port = PORT_TP;
3370 break;
3371 case PORT_DA:
3372 supported |= SUPPORTED_FIBRE;
3373 advertising |= ADVERTISED_FIBRE;
3374 ecmd->base.port = PORT_DA;
3375 break;
3376 default:
3377 supported |= SUPPORTED_FIBRE;
3378 advertising |= ADVERTISED_FIBRE;
3379 ecmd->base.port = PORT_OTHER;
3380 break;
3381 }
3382 ecmd->base.phy_address = ahw->physical_port;
3383
3384 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
3385 supported);
3386 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
3387 advertising);
3388
3389 return status;
3390 }
3391
3392 int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter,
3393 const struct ethtool_link_ksettings *ecmd)
3394 {
3395 struct qlcnic_hardware_context *ahw = adapter->ahw;
3396 u32 config = adapter->ahw->port_config;
3397 int status = 0;
3398
3399 /* 83xx devices do not support Half duplex */
3400 if (ecmd->base.duplex == DUPLEX_HALF) {
3401 netdev_info(adapter->netdev,
3402 "Half duplex mode not supported\n");
3403 return -EINVAL;
3404 }
3405
3406 if (ecmd->base.autoneg) {
3407 ahw->port_config |= QLC_83XX_AUTONEG_ENABLE;
3408 ahw->port_config |= (QLC_83XX_100_CAPABLE |
3409 QLC_83XX_1G_CAPABLE |
3410 QLC_83XX_10G_CAPABLE);
3411 } else { /* force speed */
3412 ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE;
3413 switch (ecmd->base.speed) {
3414 case SPEED_10:
3415 ahw->port_config &= ~(QLC_83XX_100_CAPABLE |
3416 QLC_83XX_1G_CAPABLE |
3417 QLC_83XX_10G_CAPABLE);
3418 ahw->port_config |= QLC_83XX_10_CAPABLE;
3419 break;
3420 case SPEED_100:
3421 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3422 QLC_83XX_1G_CAPABLE |
3423 QLC_83XX_10G_CAPABLE);
3424 ahw->port_config |= QLC_83XX_100_CAPABLE;
3425 break;
3426 case SPEED_1000:
3427 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3428 QLC_83XX_100_CAPABLE |
3429 QLC_83XX_10G_CAPABLE);
3430 ahw->port_config |= QLC_83XX_1G_CAPABLE;
3431 break;
3432 case SPEED_10000:
3433 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3434 QLC_83XX_100_CAPABLE |
3435 QLC_83XX_1G_CAPABLE);
3436 ahw->port_config |= QLC_83XX_10G_CAPABLE;
3437 break;
3438 default:
3439 return -EINVAL;
3440 }
3441 }
3442 status = qlcnic_83xx_set_port_config(adapter);
3443 if (status) {
3444 netdev_info(adapter->netdev,
3445 "Failed to Set Link Speed and autoneg.\n");
3446 ahw->port_config = config;
3447 }
3448
3449 return status;
3450 }
3451
3452 static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd,
3453 u64 *data, int index)
3454 {
3455 u32 low, hi;
3456 u64 val;
3457
3458 low = cmd->rsp.arg[index];
3459 hi = cmd->rsp.arg[index + 1];
3460 val = (((u64) low) | (((u64) hi) << 32));
3461 *data++ = val;
3462 return data;
3463 }
3464
3465 static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter,
3466 struct qlcnic_cmd_args *cmd, u64 *data,
3467 int type, int *ret)
3468 {
3469 int err, k, total_regs;
3470
3471 *ret = 0;
3472 err = qlcnic_issue_cmd(adapter, cmd);
3473 if (err != QLCNIC_RCODE_SUCCESS) {
3474 dev_info(&adapter->pdev->dev,
3475 "Error in get statistics mailbox command\n");
3476 *ret = -EIO;
3477 return data;
3478 }
3479 total_regs = cmd->rsp.num;
3480 switch (type) {
3481 case QLC_83XX_STAT_MAC:
3482 /* fill in MAC tx counters */
3483 for (k = 2; k < 28; k += 2)
3484 data = qlcnic_83xx_copy_stats(cmd, data, k);
3485 /* skip 24 bytes of reserved area */
3486 /* fill in MAC rx counters */
3487 for (k += 6; k < 60; k += 2)
3488 data = qlcnic_83xx_copy_stats(cmd, data, k);
3489 /* skip 24 bytes of reserved area */
3490 /* fill in MAC rx frame stats */
3491 for (k += 6; k < 80; k += 2)
3492 data = qlcnic_83xx_copy_stats(cmd, data, k);
3493 /* fill in eSwitch stats */
3494 for (; k < total_regs; k += 2)
3495 data = qlcnic_83xx_copy_stats(cmd, data, k);
3496 break;
3497 case QLC_83XX_STAT_RX:
3498 for (k = 2; k < 8; k += 2)
3499 data = qlcnic_83xx_copy_stats(cmd, data, k);
3500 /* skip 8 bytes of reserved data */
3501 for (k += 2; k < 24; k += 2)
3502 data = qlcnic_83xx_copy_stats(cmd, data, k);
3503 /* skip 8 bytes containing RE1FBQ error data */
3504 for (k += 2; k < total_regs; k += 2)
3505 data = qlcnic_83xx_copy_stats(cmd, data, k);
3506 break;
3507 case QLC_83XX_STAT_TX:
3508 for (k = 2; k < 10; k += 2)
3509 data = qlcnic_83xx_copy_stats(cmd, data, k);
3510 /* skip 8 bytes of reserved data */
3511 for (k += 2; k < total_regs; k += 2)
3512 data = qlcnic_83xx_copy_stats(cmd, data, k);
3513 break;
3514 default:
3515 dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n");
3516 *ret = -EIO;
3517 }
3518 return data;
3519 }
3520
3521 void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
3522 {
3523 struct qlcnic_cmd_args cmd;
3524 struct net_device *netdev = adapter->netdev;
3525 int ret = 0;
3526
3527 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS);
3528 if (ret)
3529 return;
3530 /* Get Tx stats */
3531 cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16);
3532 cmd.rsp.num = QLC_83XX_TX_STAT_REGS;
3533 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3534 QLC_83XX_STAT_TX, &ret);
3535 if (ret) {
3536 netdev_err(netdev, "Error getting Tx stats\n");
3537 goto out;
3538 }
3539 /* Get MAC stats */
3540 cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16);
3541 cmd.rsp.num = QLC_83XX_MAC_STAT_REGS;
3542 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3543 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3544 QLC_83XX_STAT_MAC, &ret);
3545 if (ret) {
3546 netdev_err(netdev, "Error getting MAC stats\n");
3547 goto out;
3548 }
3549 /* Get Rx stats */
3550 cmd.req.arg[1] = adapter->recv_ctx->context_id << 16;
3551 cmd.rsp.num = QLC_83XX_RX_STAT_REGS;
3552 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3553 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3554 QLC_83XX_STAT_RX, &ret);
3555 if (ret)
3556 netdev_err(netdev, "Error getting Rx stats\n");
3557 out:
3558 qlcnic_free_mbx_args(&cmd);
3559 }
3560
3561 #define QLCNIC_83XX_ADD_PORT0 BIT_0
3562 #define QLCNIC_83XX_ADD_PORT1 BIT_1
3563 #define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */
3564 int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter)
3565 {
3566 struct qlcnic_cmd_args cmd;
3567 int err;
3568
3569 err = qlcnic_alloc_mbx_args(&cmd, adapter,
3570 QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP);
3571 if (err)
3572 return err;
3573
3574 cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1);
3575 cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3576 cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3577
3578 err = qlcnic_issue_cmd(adapter, &cmd);
3579 if (err)
3580 dev_err(&adapter->pdev->dev,
3581 "failed to issue extend iSCSI minidump capability\n");
3582
3583 return err;
3584 }
3585
3586 int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter)
3587 {
3588 u32 major, minor, sub;
3589
3590 major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
3591 minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
3592 sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
3593
3594 if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) {
3595 dev_info(&adapter->pdev->dev, "%s: Reg test failed\n",
3596 __func__);
3597 return 1;
3598 }
3599 return 0;
3600 }
3601
3602 inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter)
3603 {
3604 return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) *
3605 sizeof(*adapter->ahw->ext_reg_tbl)) +
3606 (ARRAY_SIZE(qlcnic_83xx_reg_tbl) *
3607 sizeof(*adapter->ahw->reg_tbl));
3608 }
3609
3610 int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff)
3611 {
3612 int i, j = 0;
3613
3614 for (i = QLCNIC_DEV_INFO_SIZE + 1;
3615 j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++)
3616 regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j);
3617
3618 for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++)
3619 regs_buff[i++] = QLCRDX(adapter->ahw, j);
3620 return i;
3621 }
3622
3623 int qlcnic_83xx_interrupt_test(struct net_device *netdev)
3624 {
3625 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3626 struct qlcnic_hardware_context *ahw = adapter->ahw;
3627 struct qlcnic_cmd_args cmd;
3628 u8 val, drv_sds_rings = adapter->drv_sds_rings;
3629 u8 drv_tx_rings = adapter->drv_tx_rings;
3630 u32 data;
3631 u16 intrpt_id, id;
3632 int ret;
3633
3634 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
3635 netdev_info(netdev, "Device is resetting\n");
3636 return -EBUSY;
3637 }
3638
3639 if (qlcnic_get_diag_lock(adapter)) {
3640 netdev_info(netdev, "Device in diagnostics mode\n");
3641 return -EBUSY;
3642 }
3643
3644 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST,
3645 drv_sds_rings);
3646 if (ret)
3647 goto fail_diag_irq;
3648
3649 ahw->diag_cnt = 0;
3650 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
3651 if (ret)
3652 goto fail_diag_irq;
3653
3654 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3655 intrpt_id = ahw->intr_tbl[0].id;
3656 else
3657 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
3658
3659 cmd.req.arg[1] = 1;
3660 cmd.req.arg[2] = intrpt_id;
3661 cmd.req.arg[3] = BIT_0;
3662
3663 ret = qlcnic_issue_cmd(adapter, &cmd);
3664 data = cmd.rsp.arg[2];
3665 id = LSW(data);
3666 val = LSB(MSW(data));
3667 if (id != intrpt_id)
3668 dev_info(&adapter->pdev->dev,
3669 "Interrupt generated: 0x%x, requested:0x%x\n",
3670 id, intrpt_id);
3671 if (val)
3672 dev_err(&adapter->pdev->dev,
3673 "Interrupt test error: 0x%x\n", val);
3674 if (ret)
3675 goto done;
3676
3677 msleep(20);
3678 ret = !ahw->diag_cnt;
3679
3680 done:
3681 qlcnic_free_mbx_args(&cmd);
3682 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
3683
3684 fail_diag_irq:
3685 adapter->drv_sds_rings = drv_sds_rings;
3686 adapter->drv_tx_rings = drv_tx_rings;
3687 qlcnic_release_diag_lock(adapter);
3688 return ret;
3689 }
3690
3691 void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter,
3692 struct ethtool_pauseparam *pause)
3693 {
3694 struct qlcnic_hardware_context *ahw = adapter->ahw;
3695 int status = 0;
3696 u32 config;
3697
3698 status = qlcnic_83xx_get_port_config(adapter);
3699 if (status) {
3700 dev_err(&adapter->pdev->dev,
3701 "%s: Get Pause Config failed\n", __func__);
3702 return;
3703 }
3704 config = ahw->port_config;
3705 if (config & QLC_83XX_CFG_STD_PAUSE) {
3706 switch (MSW(config)) {
3707 case QLC_83XX_TX_PAUSE:
3708 pause->tx_pause = 1;
3709 break;
3710 case QLC_83XX_RX_PAUSE:
3711 pause->rx_pause = 1;
3712 break;
3713 case QLC_83XX_TX_RX_PAUSE:
3714 default:
3715 /* Backward compatibility for existing
3716 * flash definitions
3717 */
3718 pause->tx_pause = 1;
3719 pause->rx_pause = 1;
3720 }
3721 }
3722
3723 if (QLC_83XX_AUTONEG(config))
3724 pause->autoneg = 1;
3725 }
3726
3727 int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter,
3728 struct ethtool_pauseparam *pause)
3729 {
3730 struct qlcnic_hardware_context *ahw = adapter->ahw;
3731 int status = 0;
3732 u32 config;
3733
3734 status = qlcnic_83xx_get_port_config(adapter);
3735 if (status) {
3736 dev_err(&adapter->pdev->dev,
3737 "%s: Get Pause Config failed.\n", __func__);
3738 return status;
3739 }
3740 config = ahw->port_config;
3741
3742 if (ahw->port_type == QLCNIC_GBE) {
3743 if (pause->autoneg)
3744 ahw->port_config |= QLC_83XX_ENABLE_AUTONEG;
3745 if (!pause->autoneg)
3746 ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG;
3747 } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) {
3748 return -EOPNOTSUPP;
3749 }
3750
3751 if (!(config & QLC_83XX_CFG_STD_PAUSE))
3752 ahw->port_config |= QLC_83XX_CFG_STD_PAUSE;
3753
3754 if (pause->rx_pause && pause->tx_pause) {
3755 ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE;
3756 } else if (pause->rx_pause && !pause->tx_pause) {
3757 ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE;
3758 ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE;
3759 } else if (pause->tx_pause && !pause->rx_pause) {
3760 ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE;
3761 ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE;
3762 } else if (!pause->rx_pause && !pause->tx_pause) {
3763 ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE |
3764 QLC_83XX_CFG_STD_PAUSE);
3765 }
3766 status = qlcnic_83xx_set_port_config(adapter);
3767 if (status) {
3768 dev_err(&adapter->pdev->dev,
3769 "%s: Set Pause Config failed.\n", __func__);
3770 ahw->port_config = config;
3771 }
3772 return status;
3773 }
3774
3775 static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter)
3776 {
3777 int ret, err = 0;
3778 u32 temp;
3779
3780 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
3781 QLC_83XX_FLASH_OEM_READ_SIG);
3782 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
3783 QLC_83XX_FLASH_READ_CTRL);
3784 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
3785 if (ret)
3786 return -EIO;
3787
3788 temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
3789 if (err == -EIO)
3790 return err;
3791
3792 return temp & 0xFF;
3793 }
3794
3795 int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter)
3796 {
3797 int status;
3798
3799 status = qlcnic_83xx_read_flash_status_reg(adapter);
3800 if (status == -EIO) {
3801 dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n",
3802 __func__);
3803 return 1;
3804 }
3805 return 0;
3806 }
3807
3808 static int qlcnic_83xx_shutdown(struct pci_dev *pdev)
3809 {
3810 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3811 struct net_device *netdev = adapter->netdev;
3812 int retval;
3813
3814 netif_device_detach(netdev);
3815 qlcnic_cancel_idc_work(adapter);
3816
3817 if (netif_running(netdev))
3818 qlcnic_down(adapter, netdev);
3819
3820 qlcnic_83xx_disable_mbx_intr(adapter);
3821 cancel_delayed_work_sync(&adapter->idc_aen_work);
3822
3823 retval = pci_save_state(pdev);
3824 if (retval)
3825 return retval;
3826
3827 return 0;
3828 }
3829
3830 static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter)
3831 {
3832 struct qlcnic_hardware_context *ahw = adapter->ahw;
3833 struct qlc_83xx_idc *idc = &ahw->idc;
3834 int err = 0;
3835
3836 err = qlcnic_83xx_idc_init(adapter);
3837 if (err)
3838 return err;
3839
3840 if (ahw->nic_mode == QLCNIC_VNIC_MODE) {
3841 if (ahw->op_mode == QLCNIC_MGMT_FUNC) {
3842 qlcnic_83xx_set_vnic_opmode(adapter);
3843 } else {
3844 err = qlcnic_83xx_check_vnic_state(adapter);
3845 if (err)
3846 return err;
3847 }
3848 }
3849
3850 err = qlcnic_83xx_idc_reattach_driver(adapter);
3851 if (err)
3852 return err;
3853
3854 qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
3855 idc->delay);
3856 return err;
3857 }
3858
3859 void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx)
3860 {
3861 reinit_completion(&mbx->completion);
3862 set_bit(QLC_83XX_MBX_READY, &mbx->status);
3863 }
3864
3865 void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx)
3866 {
3867 if (!mbx)
3868 return;
3869
3870 destroy_workqueue(mbx->work_q);
3871 kfree(mbx);
3872 }
3873
3874 static inline void
3875 qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter,
3876 struct qlcnic_cmd_args *cmd)
3877 {
3878 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED);
3879
3880 if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) {
3881 qlcnic_free_mbx_args(cmd);
3882 kfree(cmd);
3883 return;
3884 }
3885 complete(&cmd->completion);
3886 }
3887
3888 static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
3889 {
3890 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3891 struct list_head *head = &mbx->cmd_q;
3892 struct qlcnic_cmd_args *cmd = NULL;
3893
3894 spin_lock(&mbx->queue_lock);
3895
3896 while (!list_empty(head)) {
3897 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
3898 dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n",
3899 __func__, cmd->cmd_op);
3900 list_del(&cmd->list);
3901 mbx->num_cmds--;
3902 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3903 }
3904
3905 spin_unlock(&mbx->queue_lock);
3906 }
3907
3908 static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter)
3909 {
3910 struct qlcnic_hardware_context *ahw = adapter->ahw;
3911 struct qlcnic_mailbox *mbx = ahw->mailbox;
3912 u32 host_mbx_ctrl;
3913
3914 if (!test_bit(QLC_83XX_MBX_READY, &mbx->status))
3915 return -EBUSY;
3916
3917 host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
3918 if (host_mbx_ctrl) {
3919 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3920 ahw->idc.collect_dump = 1;
3921 return -EIO;
3922 }
3923
3924 return 0;
3925 }
3926
3927 static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter,
3928 u8 issue_cmd)
3929 {
3930 if (issue_cmd)
3931 QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER);
3932 else
3933 QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
3934 }
3935
3936 static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter,
3937 struct qlcnic_cmd_args *cmd)
3938 {
3939 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3940
3941 spin_lock(&mbx->queue_lock);
3942
3943 list_del(&cmd->list);
3944 mbx->num_cmds--;
3945
3946 spin_unlock(&mbx->queue_lock);
3947
3948 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3949 }
3950
3951 static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter,
3952 struct qlcnic_cmd_args *cmd)
3953 {
3954 u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp;
3955 struct qlcnic_hardware_context *ahw = adapter->ahw;
3956 int i, j;
3957
3958 if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) {
3959 mbx_cmd = cmd->req.arg[0];
3960 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3961 for (i = 1; i < cmd->req.num; i++)
3962 writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i));
3963 } else {
3964 fw_hal_version = ahw->fw_hal_version;
3965 hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32);
3966 total_size = cmd->pay_size + hdr_size;
3967 tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16;
3968 mbx_cmd = tmp | fw_hal_version << 29;
3969 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3970
3971 /* Back channel specific operations bits */
3972 mbx_cmd = 0x1 | 1 << 4;
3973
3974 if (qlcnic_sriov_pf_check(adapter))
3975 mbx_cmd |= cmd->func_num << 5;
3976
3977 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1));
3978
3979 for (i = 2, j = 0; j < hdr_size; i++, j++)
3980 writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i));
3981 for (j = 0; j < cmd->pay_size; j++, i++)
3982 writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i));
3983 }
3984 }
3985
3986 void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter)
3987 {
3988 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3989
3990 if (!mbx)
3991 return;
3992
3993 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3994 complete(&mbx->completion);
3995 cancel_work_sync(&mbx->work);
3996 flush_workqueue(mbx->work_q);
3997 qlcnic_83xx_flush_mbx_queue(adapter);
3998 }
3999
4000 static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
4001 struct qlcnic_cmd_args *cmd,
4002 unsigned long *timeout)
4003 {
4004 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
4005
4006 if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) {
4007 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT);
4008 init_completion(&cmd->completion);
4009 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN;
4010
4011 spin_lock(&mbx->queue_lock);
4012
4013 list_add_tail(&cmd->list, &mbx->cmd_q);
4014 mbx->num_cmds++;
4015 cmd->total_cmds = mbx->num_cmds;
4016 *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT;
4017 queue_work(mbx->work_q, &mbx->work);
4018
4019 spin_unlock(&mbx->queue_lock);
4020
4021 return 0;
4022 }
4023
4024 return -EBUSY;
4025 }
4026
4027 static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter,
4028 struct qlcnic_cmd_args *cmd)
4029 {
4030 u8 mac_cmd_rcode;
4031 u32 fw_data;
4032
4033 if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) {
4034 fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2));
4035 mac_cmd_rcode = (u8)fw_data;
4036 if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE ||
4037 mac_cmd_rcode == QLC_83XX_MAC_PRESENT ||
4038 mac_cmd_rcode == QLC_83XX_MAC_ABSENT) {
4039 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4040 return QLCNIC_RCODE_SUCCESS;
4041 }
4042 }
4043
4044 return -EINVAL;
4045 }
4046
4047 static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter,
4048 struct qlcnic_cmd_args *cmd)
4049 {
4050 struct qlcnic_hardware_context *ahw = adapter->ahw;
4051 struct device *dev = &adapter->pdev->dev;
4052 u8 mbx_err_code;
4053 u32 fw_data;
4054
4055 fw_data = readl(QLCNIC_MBX_FW(ahw, 0));
4056 mbx_err_code = QLCNIC_MBX_STATUS(fw_data);
4057 qlcnic_83xx_get_mbx_data(adapter, cmd);
4058
4059 switch (mbx_err_code) {
4060 case QLCNIC_MBX_RSP_OK:
4061 case QLCNIC_MBX_PORT_RSP_OK:
4062 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4063 break;
4064 default:
4065 if (!qlcnic_83xx_check_mac_rcode(adapter, cmd))
4066 break;
4067
4068 dev_err(dev, "%s: Mailbox command failed, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x, error=0x%x\n",
4069 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4070 ahw->op_mode, mbx_err_code);
4071 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED;
4072 qlcnic_dump_mbx(adapter, cmd);
4073 }
4074
4075 return;
4076 }
4077
4078 static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
4079 {
4080 struct qlcnic_hardware_context *ahw = adapter->ahw;
4081 u32 offset;
4082
4083 offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
4084 dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x",
4085 readl(ahw->pci_base0 + offset),
4086 QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
4087 QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
4088 QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
4089 }
4090
4091 static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
4092 {
4093 struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
4094 work);
4095 struct qlcnic_adapter *adapter = mbx->adapter;
4096 const struct qlcnic_mbx_ops *mbx_ops = mbx->ops;
4097 struct device *dev = &adapter->pdev->dev;
4098 struct list_head *head = &mbx->cmd_q;
4099 struct qlcnic_hardware_context *ahw;
4100 struct qlcnic_cmd_args *cmd = NULL;
4101 unsigned long flags;
4102
4103 ahw = adapter->ahw;
4104
4105 while (true) {
4106 if (qlcnic_83xx_check_mbx_status(adapter)) {
4107 qlcnic_83xx_flush_mbx_queue(adapter);
4108 return;
4109 }
4110
4111 spin_lock_irqsave(&mbx->aen_lock, flags);
4112 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT;
4113 spin_unlock_irqrestore(&mbx->aen_lock, flags);
4114
4115 spin_lock(&mbx->queue_lock);
4116
4117 if (list_empty(head)) {
4118 spin_unlock(&mbx->queue_lock);
4119 return;
4120 }
4121 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
4122
4123 spin_unlock(&mbx->queue_lock);
4124
4125 mbx_ops->encode_cmd(adapter, cmd);
4126 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST);
4127
4128 if (wait_for_completion_timeout(&mbx->completion,
4129 QLC_83XX_MBX_TIMEOUT)) {
4130 mbx_ops->decode_resp(adapter, cmd);
4131 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION);
4132 } else {
4133 dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n",
4134 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4135 ahw->op_mode);
4136 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
4137 qlcnic_dump_mailbox_registers(adapter);
4138 qlcnic_83xx_get_mbx_data(adapter, cmd);
4139 qlcnic_dump_mbx(adapter, cmd);
4140 qlcnic_83xx_idc_request_reset(adapter,
4141 QLCNIC_FORCE_FW_DUMP_KEY);
4142 cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT;
4143 }
4144 mbx_ops->dequeue_cmd(adapter, cmd);
4145 }
4146 }
4147
4148 static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = {
4149 .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd,
4150 .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd,
4151 .decode_resp = qlcnic_83xx_decode_mbx_rsp,
4152 .encode_cmd = qlcnic_83xx_encode_mbx_cmd,
4153 .nofity_fw = qlcnic_83xx_signal_mbx_cmd,
4154 };
4155
4156 int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter)
4157 {
4158 struct qlcnic_hardware_context *ahw = adapter->ahw;
4159 struct qlcnic_mailbox *mbx;
4160
4161 ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL);
4162 if (!ahw->mailbox)
4163 return -ENOMEM;
4164
4165 mbx = ahw->mailbox;
4166 mbx->ops = &qlcnic_83xx_mbx_ops;
4167 mbx->adapter = adapter;
4168
4169 spin_lock_init(&mbx->queue_lock);
4170 spin_lock_init(&mbx->aen_lock);
4171 INIT_LIST_HEAD(&mbx->cmd_q);
4172 init_completion(&mbx->completion);
4173
4174 mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox");
4175 if (mbx->work_q == NULL) {
4176 kfree(mbx);
4177 return -ENOMEM;
4178 }
4179
4180 INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker);
4181 set_bit(QLC_83XX_MBX_READY, &mbx->status);
4182 return 0;
4183 }
4184
4185 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev,
4186 pci_channel_state_t state)
4187 {
4188 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4189
4190 if (state == pci_channel_io_perm_failure)
4191 return PCI_ERS_RESULT_DISCONNECT;
4192
4193 if (state == pci_channel_io_normal)
4194 return PCI_ERS_RESULT_RECOVERED;
4195
4196 set_bit(__QLCNIC_AER, &adapter->state);
4197 set_bit(__QLCNIC_RESETTING, &adapter->state);
4198
4199 qlcnic_83xx_aer_stop_poll_work(adapter);
4200
4201 pci_save_state(pdev);
4202 pci_disable_device(pdev);
4203
4204 return PCI_ERS_RESULT_NEED_RESET;
4205 }
4206
4207 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev)
4208 {
4209 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4210 int err = 0;
4211
4212 pdev->error_state = pci_channel_io_normal;
4213 err = pci_enable_device(pdev);
4214 if (err)
4215 goto disconnect;
4216
4217 pci_set_power_state(pdev, PCI_D0);
4218 pci_set_master(pdev);
4219 pci_restore_state(pdev);
4220
4221 err = qlcnic_83xx_aer_reset(adapter);
4222 if (err == 0)
4223 return PCI_ERS_RESULT_RECOVERED;
4224 disconnect:
4225 clear_bit(__QLCNIC_AER, &adapter->state);
4226 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4227 return PCI_ERS_RESULT_DISCONNECT;
4228 }
4229
4230 static void qlcnic_83xx_io_resume(struct pci_dev *pdev)
4231 {
4232 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4233
4234 pci_cleanup_aer_uncorrect_error_status(pdev);
4235 if (test_and_clear_bit(__QLCNIC_AER, &adapter->state))
4236 qlcnic_83xx_aer_start_poll_work(adapter);
4237 }
Linux with added FPC-III support