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
qlcnic_83xx_register_map(struct qlcnic_hardware_context * ahw)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
qlcnic_83xx_get_fw_version(struct qlcnic_adapter * adapter)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
__qlcnic_set_win_base(struct qlcnic_adapter * adapter,u32 addr)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
qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter * adapter,ulong addr,int * err)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
qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter * adapter,ulong addr,u32 data)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
qlcnic_83xx_enable_legacy(struct qlcnic_adapter * adapter)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
qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter * adapter)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
qlcnic_83xx_setup_intr(struct qlcnic_adapter * adapter)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 =
390 vzalloc(array_size(num_msix,
391 sizeof(struct qlcnic_intrpt_config)));
392 if (!ahw->intr_tbl)
393 return -ENOMEM;
394
395 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
396 if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) {
397 dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n",
398 ahw->pci_func);
399 return -EOPNOTSUPP;
400 }
401
402 qlcnic_83xx_enable_legacy(adapter);
403 }
404
405 for (i = 0; i < num_msix; i++) {
406 if (adapter->flags & QLCNIC_MSIX_ENABLED)
407 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
408 else
409 ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX;
410 ahw->intr_tbl[i].id = i;
411 ahw->intr_tbl[i].src = 0;
412 }
413
414 return 0;
415 }
416
qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter * adapter)417 static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter)
418 {
419 writel(0, adapter->tgt_mask_reg);
420 }
421
qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter * adapter)422 static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter)
423 {
424 if (adapter->tgt_mask_reg)
425 writel(1, adapter->tgt_mask_reg);
426 }
427
qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter * adapter)428 static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter
429 *adapter)
430 {
431 u32 mask;
432
433 /* Mailbox in MSI-x mode and Legacy Interrupt share the same
434 * source register. We could be here before contexts are created
435 * and sds_ring->crb_intr_mask has not been initialized, calculate
436 * BAR offset for Interrupt Source Register
437 */
438 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
439 writel(0, adapter->ahw->pci_base0 + mask);
440 }
441
qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter * adapter)442 void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter)
443 {
444 u32 mask;
445
446 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
447 writel(1, adapter->ahw->pci_base0 + mask);
448 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0);
449 }
450
qlcnic_83xx_get_mbx_data(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)451 static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter,
452 struct qlcnic_cmd_args *cmd)
453 {
454 int i;
455
456 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
457 return;
458
459 for (i = 0; i < cmd->rsp.num; i++)
460 cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i));
461 }
462
qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter * adapter)463 irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
464 {
465 u32 intr_val;
466 struct qlcnic_hardware_context *ahw = adapter->ahw;
467 int retries = 0;
468
469 intr_val = readl(adapter->tgt_status_reg);
470
471 if (!QLC_83XX_VALID_INTX_BIT31(intr_val))
472 return IRQ_NONE;
473
474 if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) {
475 adapter->stats.spurious_intr++;
476 return IRQ_NONE;
477 }
478 /* The barrier is required to ensure writes to the registers */
479 wmb();
480
481 /* clear the interrupt trigger control register */
482 writel_relaxed(0, adapter->isr_int_vec);
483 intr_val = readl(adapter->isr_int_vec);
484 do {
485 intr_val = readl(adapter->tgt_status_reg);
486 if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func)
487 break;
488 retries++;
489 } while (QLC_83XX_VALID_INTX_BIT30(intr_val) &&
490 (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY));
491
492 return IRQ_HANDLED;
493 }
494
qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox * mbx)495 static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx)
496 {
497 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
498 complete(&mbx->completion);
499 }
500
qlcnic_83xx_poll_process_aen(struct qlcnic_adapter * adapter)501 static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter)
502 {
503 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
504 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
505 unsigned long flags;
506
507 spin_lock_irqsave(&mbx->aen_lock, flags);
508 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
509 if (!(resp & QLCNIC_SET_OWNER))
510 goto out;
511
512 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
513 if (event & QLCNIC_MBX_ASYNC_EVENT) {
514 __qlcnic_83xx_process_aen(adapter);
515 } else {
516 if (mbx->rsp_status != rsp_status)
517 qlcnic_83xx_notify_mbx_response(mbx);
518 }
519 out:
520 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
521 spin_unlock_irqrestore(&mbx->aen_lock, flags);
522 }
523
qlcnic_83xx_intr(int irq,void * data)524 irqreturn_t qlcnic_83xx_intr(int irq, void *data)
525 {
526 struct qlcnic_adapter *adapter = data;
527 struct qlcnic_host_sds_ring *sds_ring;
528 struct qlcnic_hardware_context *ahw = adapter->ahw;
529
530 if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE)
531 return IRQ_NONE;
532
533 qlcnic_83xx_poll_process_aen(adapter);
534
535 if (ahw->diag_test) {
536 if (ahw->diag_test == QLCNIC_INTERRUPT_TEST)
537 ahw->diag_cnt++;
538 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
539 return IRQ_HANDLED;
540 }
541
542 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
543 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
544 } else {
545 sds_ring = &adapter->recv_ctx->sds_rings[0];
546 napi_schedule(&sds_ring->napi);
547 }
548
549 return IRQ_HANDLED;
550 }
551
qlcnic_83xx_tmp_intr(int irq,void * data)552 irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data)
553 {
554 struct qlcnic_host_sds_ring *sds_ring = data;
555 struct qlcnic_adapter *adapter = sds_ring->adapter;
556
557 if (adapter->flags & QLCNIC_MSIX_ENABLED)
558 goto done;
559
560 if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE)
561 return IRQ_NONE;
562
563 done:
564 adapter->ahw->diag_cnt++;
565 qlcnic_enable_sds_intr(adapter, sds_ring);
566
567 return IRQ_HANDLED;
568 }
569
qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter * adapter)570 void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter)
571 {
572 u32 num_msix;
573
574 if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
575 qlcnic_83xx_set_legacy_intr_mask(adapter);
576
577 qlcnic_83xx_disable_mbx_intr(adapter);
578
579 if (adapter->flags & QLCNIC_MSIX_ENABLED)
580 num_msix = adapter->ahw->num_msix - 1;
581 else
582 num_msix = 0;
583
584 msleep(20);
585
586 if (adapter->msix_entries) {
587 synchronize_irq(adapter->msix_entries[num_msix].vector);
588 free_irq(adapter->msix_entries[num_msix].vector, adapter);
589 }
590 }
591
qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter * adapter)592 int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter)
593 {
594 irq_handler_t handler;
595 u32 val;
596 int err = 0;
597 unsigned long flags = 0;
598
599 if (!(adapter->flags & QLCNIC_MSI_ENABLED) &&
600 !(adapter->flags & QLCNIC_MSIX_ENABLED))
601 flags |= IRQF_SHARED;
602
603 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
604 handler = qlcnic_83xx_handle_aen;
605 val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector;
606 err = request_irq(val, handler, flags, "qlcnic-MB", adapter);
607 if (err) {
608 dev_err(&adapter->pdev->dev,
609 "failed to register MBX interrupt\n");
610 return err;
611 }
612 } else {
613 handler = qlcnic_83xx_intr;
614 val = adapter->msix_entries[0].vector;
615 err = request_irq(val, handler, flags, "qlcnic", adapter);
616 if (err) {
617 dev_err(&adapter->pdev->dev,
618 "failed to register INTx interrupt\n");
619 return err;
620 }
621 qlcnic_83xx_clear_legacy_intr_mask(adapter);
622 }
623
624 /* Enable mailbox interrupt */
625 qlcnic_83xx_enable_mbx_interrupt(adapter);
626
627 return err;
628 }
629
qlcnic_83xx_get_func_no(struct qlcnic_adapter * adapter)630 void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter)
631 {
632 u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT);
633 adapter->ahw->pci_func = (val >> 24) & 0xff;
634 }
635
qlcnic_83xx_cam_lock(struct qlcnic_adapter * adapter)636 int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter)
637 {
638 void __iomem *addr;
639 u32 val, limit = 0;
640
641 struct qlcnic_hardware_context *ahw = adapter->ahw;
642
643 addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func);
644 do {
645 val = readl(addr);
646 if (val) {
647 /* write the function number to register */
648 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER,
649 ahw->pci_func);
650 return 0;
651 }
652 usleep_range(1000, 2000);
653 } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT);
654
655 return -EIO;
656 }
657
qlcnic_83xx_cam_unlock(struct qlcnic_adapter * adapter)658 void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter)
659 {
660 void __iomem *addr;
661 u32 val;
662 struct qlcnic_hardware_context *ahw = adapter->ahw;
663
664 addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func);
665 val = readl(addr);
666 }
667
qlcnic_83xx_read_crb(struct qlcnic_adapter * adapter,char * buf,loff_t offset,size_t size)668 void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf,
669 loff_t offset, size_t size)
670 {
671 int ret = 0;
672 u32 data;
673
674 if (qlcnic_api_lock(adapter)) {
675 dev_err(&adapter->pdev->dev,
676 "%s: failed to acquire lock. addr offset 0x%x\n",
677 __func__, (u32)offset);
678 return;
679 }
680
681 data = QLCRD32(adapter, (u32) offset, &ret);
682 qlcnic_api_unlock(adapter);
683
684 if (ret == -EIO) {
685 dev_err(&adapter->pdev->dev,
686 "%s: failed. addr offset 0x%x\n",
687 __func__, (u32)offset);
688 return;
689 }
690 memcpy(buf, &data, size);
691 }
692
qlcnic_83xx_write_crb(struct qlcnic_adapter * adapter,char * buf,loff_t offset,size_t size)693 void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf,
694 loff_t offset, size_t size)
695 {
696 u32 data;
697
698 memcpy(&data, buf, size);
699 qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data);
700 }
701
qlcnic_83xx_get_port_info(struct qlcnic_adapter * adapter)702 int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter)
703 {
704 struct qlcnic_hardware_context *ahw = adapter->ahw;
705 int status;
706
707 status = qlcnic_83xx_get_port_config(adapter);
708 if (status) {
709 dev_err(&adapter->pdev->dev,
710 "Get Port Info failed\n");
711 } else {
712
713 if (ahw->port_config & QLC_83XX_10G_CAPABLE) {
714 ahw->port_type = QLCNIC_XGBE;
715 } else if (ahw->port_config & QLC_83XX_10_CAPABLE ||
716 ahw->port_config & QLC_83XX_100_CAPABLE ||
717 ahw->port_config & QLC_83XX_1G_CAPABLE) {
718 ahw->port_type = QLCNIC_GBE;
719 } else {
720 ahw->port_type = QLCNIC_XGBE;
721 }
722
723 if (QLC_83XX_AUTONEG(ahw->port_config))
724 ahw->link_autoneg = AUTONEG_ENABLE;
725
726 }
727 return status;
728 }
729
qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter * adapter)730 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
731 {
732 struct qlcnic_hardware_context *ahw = adapter->ahw;
733 u16 act_pci_fn = ahw->total_nic_func;
734 u16 count;
735
736 ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT;
737 if (act_pci_fn <= 2)
738 count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) /
739 act_pci_fn;
740 else
741 count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) /
742 act_pci_fn;
743 ahw->max_uc_count = count;
744 }
745
qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter * adapter)746 void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter)
747 {
748 u32 val;
749
750 if (adapter->flags & QLCNIC_MSIX_ENABLED)
751 val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8);
752 else
753 val = BIT_2;
754
755 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val);
756 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
757 }
758
qlcnic_83xx_check_vf(struct qlcnic_adapter * adapter,const struct pci_device_id * ent)759 void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter,
760 const struct pci_device_id *ent)
761 {
762 u32 op_mode, priv_level;
763 struct qlcnic_hardware_context *ahw = adapter->ahw;
764
765 ahw->fw_hal_version = 2;
766 qlcnic_get_func_no(adapter);
767
768 if (qlcnic_sriov_vf_check(adapter)) {
769 qlcnic_sriov_vf_set_ops(adapter);
770 return;
771 }
772
773 /* Determine function privilege level */
774 op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
775 if (op_mode == QLC_83XX_DEFAULT_OPMODE)
776 priv_level = QLCNIC_MGMT_FUNC;
777 else
778 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
779 ahw->pci_func);
780
781 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
782 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
783 dev_info(&adapter->pdev->dev,
784 "HAL Version: %d Non Privileged function\n",
785 ahw->fw_hal_version);
786 adapter->nic_ops = &qlcnic_vf_ops;
787 } else {
788 if (pci_find_ext_capability(adapter->pdev,
789 PCI_EXT_CAP_ID_SRIOV))
790 set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state);
791 adapter->nic_ops = &qlcnic_83xx_ops;
792 }
793 }
794
795 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
796 u32 data[]);
797 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
798 u32 data[]);
799
qlcnic_dump_mbx(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)800 void qlcnic_dump_mbx(struct qlcnic_adapter *adapter,
801 struct qlcnic_cmd_args *cmd)
802 {
803 int i;
804
805 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
806 return;
807
808 dev_info(&adapter->pdev->dev,
809 "Host MBX regs(%d)\n", cmd->req.num);
810 for (i = 0; i < cmd->req.num; i++) {
811 if (i && !(i % 8))
812 pr_info("\n");
813 pr_info("%08x ", cmd->req.arg[i]);
814 }
815 pr_info("\n");
816 dev_info(&adapter->pdev->dev,
817 "FW MBX regs(%d)\n", cmd->rsp.num);
818 for (i = 0; i < cmd->rsp.num; i++) {
819 if (i && !(i % 8))
820 pr_info("\n");
821 pr_info("%08x ", cmd->rsp.arg[i]);
822 }
823 pr_info("\n");
824 }
825
qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)826 static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter,
827 struct qlcnic_cmd_args *cmd)
828 {
829 struct qlcnic_hardware_context *ahw = adapter->ahw;
830 int opcode = LSW(cmd->req.arg[0]);
831 unsigned long max_loops;
832
833 max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP;
834
835 for (; max_loops; max_loops--) {
836 if (atomic_read(&cmd->rsp_status) ==
837 QLC_83XX_MBX_RESPONSE_ARRIVED)
838 return;
839
840 udelay(1);
841 }
842
843 dev_err(&adapter->pdev->dev,
844 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
845 __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode);
846 flush_workqueue(ahw->mailbox->work_q);
847 return;
848 }
849
qlcnic_83xx_issue_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)850 int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter,
851 struct qlcnic_cmd_args *cmd)
852 {
853 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
854 struct qlcnic_hardware_context *ahw = adapter->ahw;
855 int cmd_type, err, opcode;
856 unsigned long timeout;
857
858 if (!mbx)
859 return -EIO;
860
861 opcode = LSW(cmd->req.arg[0]);
862 cmd_type = cmd->type;
863 err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout);
864 if (err) {
865 dev_err(&adapter->pdev->dev,
866 "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n",
867 __func__, opcode, cmd->type, ahw->pci_func,
868 ahw->op_mode);
869 return err;
870 }
871
872 switch (cmd_type) {
873 case QLC_83XX_MBX_CMD_WAIT:
874 if (!wait_for_completion_timeout(&cmd->completion, timeout)) {
875 dev_err(&adapter->pdev->dev,
876 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
877 __func__, opcode, cmd_type, ahw->pci_func,
878 ahw->op_mode);
879 flush_workqueue(mbx->work_q);
880 }
881 break;
882 case QLC_83XX_MBX_CMD_NO_WAIT:
883 return 0;
884 case QLC_83XX_MBX_CMD_BUSY_WAIT:
885 qlcnic_83xx_poll_for_mbx_completion(adapter, cmd);
886 break;
887 default:
888 dev_err(&adapter->pdev->dev,
889 "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
890 __func__, opcode, cmd_type, ahw->pci_func,
891 ahw->op_mode);
892 qlcnic_83xx_detach_mailbox_work(adapter);
893 }
894
895 return cmd->rsp_opcode;
896 }
897
qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args * mbx,struct qlcnic_adapter * adapter,u32 type)898 int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
899 struct qlcnic_adapter *adapter, u32 type)
900 {
901 int i, size;
902 u32 temp;
903 const struct qlcnic_mailbox_metadata *mbx_tbl;
904
905 memset(mbx, 0, sizeof(struct qlcnic_cmd_args));
906 mbx_tbl = qlcnic_83xx_mbx_tbl;
907 size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl);
908 for (i = 0; i < size; i++) {
909 if (type == mbx_tbl[i].cmd) {
910 mbx->op_type = QLC_83XX_FW_MBX_CMD;
911 mbx->req.num = mbx_tbl[i].in_args;
912 mbx->rsp.num = mbx_tbl[i].out_args;
913 mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32),
914 GFP_ATOMIC);
915 if (!mbx->req.arg)
916 return -ENOMEM;
917 mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32),
918 GFP_ATOMIC);
919 if (!mbx->rsp.arg) {
920 kfree(mbx->req.arg);
921 mbx->req.arg = NULL;
922 return -ENOMEM;
923 }
924 temp = adapter->ahw->fw_hal_version << 29;
925 mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp);
926 mbx->cmd_op = type;
927 return 0;
928 }
929 }
930
931 dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n",
932 __func__, type);
933 return -EINVAL;
934 }
935
qlcnic_83xx_idc_aen_work(struct work_struct * work)936 void qlcnic_83xx_idc_aen_work(struct work_struct *work)
937 {
938 struct qlcnic_adapter *adapter;
939 struct qlcnic_cmd_args cmd;
940 int i, err = 0;
941
942 adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work);
943 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK);
944 if (err)
945 return;
946
947 for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++)
948 cmd.req.arg[i] = adapter->ahw->mbox_aen[i];
949
950 err = qlcnic_issue_cmd(adapter, &cmd);
951 if (err)
952 dev_info(&adapter->pdev->dev,
953 "%s: Mailbox IDC ACK failed.\n", __func__);
954 qlcnic_free_mbx_args(&cmd);
955 }
956
qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter * adapter,u32 data[])957 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
958 u32 data[])
959 {
960 dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n",
961 QLCNIC_MBX_RSP(data[0]));
962 clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status);
963 return;
964 }
965
__qlcnic_83xx_process_aen(struct qlcnic_adapter * adapter)966 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
967 {
968 struct qlcnic_hardware_context *ahw = adapter->ahw;
969 u32 event[QLC_83XX_MBX_AEN_CNT];
970 int i;
971
972 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
973 event[i] = readl(QLCNIC_MBX_FW(ahw, i));
974
975 switch (QLCNIC_MBX_RSP(event[0])) {
976
977 case QLCNIC_MBX_LINK_EVENT:
978 qlcnic_83xx_handle_link_aen(adapter, event);
979 break;
980 case QLCNIC_MBX_COMP_EVENT:
981 qlcnic_83xx_handle_idc_comp_aen(adapter, event);
982 break;
983 case QLCNIC_MBX_REQUEST_EVENT:
984 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
985 adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]);
986 queue_delayed_work(adapter->qlcnic_wq,
987 &adapter->idc_aen_work, 0);
988 break;
989 case QLCNIC_MBX_TIME_EXTEND_EVENT:
990 ahw->extend_lb_time = event[1] >> 8 & 0xf;
991 break;
992 case QLCNIC_MBX_BC_EVENT:
993 qlcnic_sriov_handle_bc_event(adapter, event[1]);
994 break;
995 case QLCNIC_MBX_SFP_INSERT_EVENT:
996 dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n",
997 QLCNIC_MBX_RSP(event[0]));
998 break;
999 case QLCNIC_MBX_SFP_REMOVE_EVENT:
1000 dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n",
1001 QLCNIC_MBX_RSP(event[0]));
1002 break;
1003 case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT:
1004 qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]);
1005 break;
1006 default:
1007 dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n",
1008 QLCNIC_MBX_RSP(event[0]));
1009 break;
1010 }
1011
1012 QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
1013 }
1014
qlcnic_83xx_process_aen(struct qlcnic_adapter * adapter)1015 static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
1016 {
1017 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
1018 struct qlcnic_hardware_context *ahw = adapter->ahw;
1019 struct qlcnic_mailbox *mbx = ahw->mailbox;
1020 unsigned long flags;
1021
1022 spin_lock_irqsave(&mbx->aen_lock, flags);
1023 resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL);
1024 if (resp & QLCNIC_SET_OWNER) {
1025 event = readl(QLCNIC_MBX_FW(ahw, 0));
1026 if (event & QLCNIC_MBX_ASYNC_EVENT) {
1027 __qlcnic_83xx_process_aen(adapter);
1028 } else {
1029 if (mbx->rsp_status != rsp_status)
1030 qlcnic_83xx_notify_mbx_response(mbx);
1031 }
1032 }
1033 spin_unlock_irqrestore(&mbx->aen_lock, flags);
1034 }
1035
qlcnic_83xx_mbx_poll_work(struct work_struct * work)1036 static void qlcnic_83xx_mbx_poll_work(struct work_struct *work)
1037 {
1038 struct qlcnic_adapter *adapter;
1039
1040 adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work);
1041
1042 if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1043 return;
1044
1045 qlcnic_83xx_process_aen(adapter);
1046 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work,
1047 (HZ / 10));
1048 }
1049
qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter * adapter)1050 void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter)
1051 {
1052 if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1053 return;
1054
1055 INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work);
1056 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0);
1057 }
1058
qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter * adapter)1059 void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter)
1060 {
1061 if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1062 return;
1063 cancel_delayed_work_sync(&adapter->mbx_poll_work);
1064 }
1065
qlcnic_83xx_add_rings(struct qlcnic_adapter * adapter)1066 static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter)
1067 {
1068 int index, i, err, sds_mbx_size;
1069 u32 *buf, intrpt_id, intr_mask;
1070 u16 context_id;
1071 u8 num_sds;
1072 struct qlcnic_cmd_args cmd;
1073 struct qlcnic_host_sds_ring *sds;
1074 struct qlcnic_sds_mbx sds_mbx;
1075 struct qlcnic_add_rings_mbx_out *mbx_out;
1076 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1077 struct qlcnic_hardware_context *ahw = adapter->ahw;
1078
1079 sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1080 context_id = recv_ctx->context_id;
1081 num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS;
1082 ahw->hw_ops->alloc_mbx_args(&cmd, adapter,
1083 QLCNIC_CMD_ADD_RCV_RINGS);
1084 cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16);
1085
1086 /* set up status rings, mbx 2-81 */
1087 index = 2;
1088 for (i = 8; i < adapter->drv_sds_rings; i++) {
1089 memset(&sds_mbx, 0, sds_mbx_size);
1090 sds = &recv_ctx->sds_rings[i];
1091 sds->consumer = 0;
1092 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1093 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1094 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1095 sds_mbx.sds_ring_size = sds->num_desc;
1096
1097 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1098 intrpt_id = ahw->intr_tbl[i].id;
1099 else
1100 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1101
1102 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1103 sds_mbx.intrpt_id = intrpt_id;
1104 else
1105 sds_mbx.intrpt_id = 0xffff;
1106 sds_mbx.intrpt_val = 0;
1107 buf = &cmd.req.arg[index];
1108 memcpy(buf, &sds_mbx, sds_mbx_size);
1109 index += sds_mbx_size / sizeof(u32);
1110 }
1111
1112 /* send the mailbox command */
1113 err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1114 if (err) {
1115 dev_err(&adapter->pdev->dev,
1116 "Failed to add rings %d\n", err);
1117 goto out;
1118 }
1119
1120 mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1];
1121 index = 0;
1122 /* status descriptor ring */
1123 for (i = 8; i < adapter->drv_sds_rings; i++) {
1124 sds = &recv_ctx->sds_rings[i];
1125 sds->crb_sts_consumer = ahw->pci_base0 +
1126 mbx_out->host_csmr[index];
1127 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1128 intr_mask = ahw->intr_tbl[i].src;
1129 else
1130 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1131
1132 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1133 index++;
1134 }
1135 out:
1136 qlcnic_free_mbx_args(&cmd);
1137 return err;
1138 }
1139
qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter * adapter)1140 void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter)
1141 {
1142 int err;
1143 u32 temp = 0;
1144 struct qlcnic_cmd_args cmd;
1145 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1146
1147 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1148 return;
1149
1150 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1151 cmd.req.arg[0] |= (0x3 << 29);
1152
1153 if (qlcnic_sriov_pf_check(adapter))
1154 qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp);
1155
1156 cmd.req.arg[1] = recv_ctx->context_id | temp;
1157 err = qlcnic_issue_cmd(adapter, &cmd);
1158 if (err)
1159 dev_err(&adapter->pdev->dev,
1160 "Failed to destroy rx ctx in firmware\n");
1161
1162 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
1163 qlcnic_free_mbx_args(&cmd);
1164 }
1165
qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter * adapter)1166 int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter)
1167 {
1168 int i, err, index, sds_mbx_size, rds_mbx_size;
1169 u8 num_sds, num_rds;
1170 u32 *buf, intrpt_id, intr_mask, cap = 0;
1171 struct qlcnic_host_sds_ring *sds;
1172 struct qlcnic_host_rds_ring *rds;
1173 struct qlcnic_sds_mbx sds_mbx;
1174 struct qlcnic_rds_mbx rds_mbx;
1175 struct qlcnic_cmd_args cmd;
1176 struct qlcnic_rcv_mbx_out *mbx_out;
1177 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1178 struct qlcnic_hardware_context *ahw = adapter->ahw;
1179 num_rds = adapter->max_rds_rings;
1180
1181 if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS)
1182 num_sds = adapter->drv_sds_rings;
1183 else
1184 num_sds = QLCNIC_MAX_SDS_RINGS;
1185
1186 sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1187 rds_mbx_size = sizeof(struct qlcnic_rds_mbx);
1188 cap = QLCNIC_CAP0_LEGACY_CONTEXT;
1189
1190 if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
1191 cap |= QLC_83XX_FW_CAP_LRO_MSS;
1192
1193 /* set mailbox hdr and capabilities */
1194 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1195 QLCNIC_CMD_CREATE_RX_CTX);
1196 if (err)
1197 return err;
1198
1199 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1200 cmd.req.arg[0] |= (0x3 << 29);
1201
1202 cmd.req.arg[1] = cap;
1203 cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) |
1204 (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16);
1205
1206 if (qlcnic_sriov_pf_check(adapter))
1207 qlcnic_pf_set_interface_id_create_rx_ctx(adapter,
1208 &cmd.req.arg[6]);
1209 /* set up status rings, mbx 8-57/87 */
1210 index = QLC_83XX_HOST_SDS_MBX_IDX;
1211 for (i = 0; i < num_sds; i++) {
1212 memset(&sds_mbx, 0, sds_mbx_size);
1213 sds = &recv_ctx->sds_rings[i];
1214 sds->consumer = 0;
1215 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1216 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1217 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1218 sds_mbx.sds_ring_size = sds->num_desc;
1219 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1220 intrpt_id = ahw->intr_tbl[i].id;
1221 else
1222 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1223 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1224 sds_mbx.intrpt_id = intrpt_id;
1225 else
1226 sds_mbx.intrpt_id = 0xffff;
1227 sds_mbx.intrpt_val = 0;
1228 buf = &cmd.req.arg[index];
1229 memcpy(buf, &sds_mbx, sds_mbx_size);
1230 index += sds_mbx_size / sizeof(u32);
1231 }
1232 /* set up receive rings, mbx 88-111/135 */
1233 index = QLCNIC_HOST_RDS_MBX_IDX;
1234 rds = &recv_ctx->rds_rings[0];
1235 rds->producer = 0;
1236 memset(&rds_mbx, 0, rds_mbx_size);
1237 rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr);
1238 rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr);
1239 rds_mbx.reg_ring_sz = rds->dma_size;
1240 rds_mbx.reg_ring_len = rds->num_desc;
1241 /* Jumbo ring */
1242 rds = &recv_ctx->rds_rings[1];
1243 rds->producer = 0;
1244 rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr);
1245 rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr);
1246 rds_mbx.jmb_ring_sz = rds->dma_size;
1247 rds_mbx.jmb_ring_len = rds->num_desc;
1248 buf = &cmd.req.arg[index];
1249 memcpy(buf, &rds_mbx, rds_mbx_size);
1250
1251 /* send the mailbox command */
1252 err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1253 if (err) {
1254 dev_err(&adapter->pdev->dev,
1255 "Failed to create Rx ctx in firmware%d\n", err);
1256 goto out;
1257 }
1258 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1];
1259 recv_ctx->context_id = mbx_out->ctx_id;
1260 recv_ctx->state = mbx_out->state;
1261 recv_ctx->virt_port = mbx_out->vport_id;
1262 dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n",
1263 recv_ctx->context_id, recv_ctx->state);
1264 /* Receive descriptor ring */
1265 /* Standard ring */
1266 rds = &recv_ctx->rds_rings[0];
1267 rds->crb_rcv_producer = ahw->pci_base0 +
1268 mbx_out->host_prod[0].reg_buf;
1269 /* Jumbo ring */
1270 rds = &recv_ctx->rds_rings[1];
1271 rds->crb_rcv_producer = ahw->pci_base0 +
1272 mbx_out->host_prod[0].jmb_buf;
1273 /* status descriptor ring */
1274 for (i = 0; i < num_sds; i++) {
1275 sds = &recv_ctx->sds_rings[i];
1276 sds->crb_sts_consumer = ahw->pci_base0 +
1277 mbx_out->host_csmr[i];
1278 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1279 intr_mask = ahw->intr_tbl[i].src;
1280 else
1281 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1282 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1283 }
1284
1285 if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS)
1286 err = qlcnic_83xx_add_rings(adapter);
1287 out:
1288 qlcnic_free_mbx_args(&cmd);
1289 return err;
1290 }
1291
qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter * adapter,struct qlcnic_host_tx_ring * tx_ring)1292 void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter,
1293 struct qlcnic_host_tx_ring *tx_ring)
1294 {
1295 struct qlcnic_cmd_args cmd;
1296 u32 temp = 0;
1297
1298 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1299 return;
1300
1301 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1302 cmd.req.arg[0] |= (0x3 << 29);
1303
1304 if (qlcnic_sriov_pf_check(adapter))
1305 qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp);
1306
1307 cmd.req.arg[1] = tx_ring->ctx_id | temp;
1308 if (qlcnic_issue_cmd(adapter, &cmd))
1309 dev_err(&adapter->pdev->dev,
1310 "Failed to destroy tx ctx in firmware\n");
1311 qlcnic_free_mbx_args(&cmd);
1312 }
1313
qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter * adapter,struct qlcnic_host_tx_ring * tx,int ring)1314 int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter,
1315 struct qlcnic_host_tx_ring *tx, int ring)
1316 {
1317 int err;
1318 u16 msix_id;
1319 u32 *buf, intr_mask, temp = 0;
1320 struct qlcnic_cmd_args cmd;
1321 struct qlcnic_tx_mbx mbx;
1322 struct qlcnic_tx_mbx_out *mbx_out;
1323 struct qlcnic_hardware_context *ahw = adapter->ahw;
1324 u32 msix_vector;
1325
1326 /* Reset host resources */
1327 tx->producer = 0;
1328 tx->sw_consumer = 0;
1329 *(tx->hw_consumer) = 0;
1330
1331 memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx));
1332
1333 /* setup mailbox inbox registerss */
1334 mbx.phys_addr_low = LSD(tx->phys_addr);
1335 mbx.phys_addr_high = MSD(tx->phys_addr);
1336 mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr);
1337 mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr);
1338 mbx.size = tx->num_desc;
1339 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1340 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
1341 msix_vector = adapter->drv_sds_rings + ring;
1342 else
1343 msix_vector = adapter->drv_sds_rings - 1;
1344 msix_id = ahw->intr_tbl[msix_vector].id;
1345 } else {
1346 msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1347 }
1348
1349 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1350 mbx.intr_id = msix_id;
1351 else
1352 mbx.intr_id = 0xffff;
1353 mbx.src = 0;
1354
1355 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
1356 if (err)
1357 return err;
1358
1359 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1360 cmd.req.arg[0] |= (0x3 << 29);
1361
1362 if (qlcnic_sriov_pf_check(adapter))
1363 qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp);
1364
1365 cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT;
1366 cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp;
1367
1368 buf = &cmd.req.arg[6];
1369 memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx));
1370 /* send the mailbox command*/
1371 err = qlcnic_issue_cmd(adapter, &cmd);
1372 if (err) {
1373 netdev_err(adapter->netdev,
1374 "Failed to create Tx ctx in firmware 0x%x\n", err);
1375 goto out;
1376 }
1377 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2];
1378 tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod;
1379 tx->ctx_id = mbx_out->ctx_id;
1380 if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
1381 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1382 intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src;
1383 tx->crb_intr_mask = ahw->pci_base0 + intr_mask;
1384 }
1385 netdev_info(adapter->netdev,
1386 "Tx Context[0x%x] Created, state:0x%x\n",
1387 tx->ctx_id, mbx_out->state);
1388 out:
1389 qlcnic_free_mbx_args(&cmd);
1390 return err;
1391 }
1392
qlcnic_83xx_diag_alloc_res(struct net_device * netdev,int test,u8 num_sds_ring)1393 static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test,
1394 u8 num_sds_ring)
1395 {
1396 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1397 struct qlcnic_host_sds_ring *sds_ring;
1398 struct qlcnic_host_rds_ring *rds_ring;
1399 u16 adapter_state = adapter->is_up;
1400 u8 ring;
1401 int ret;
1402
1403 netif_device_detach(netdev);
1404
1405 if (netif_running(netdev))
1406 __qlcnic_down(adapter, netdev);
1407
1408 qlcnic_detach(adapter);
1409
1410 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
1411 adapter->ahw->diag_test = test;
1412 adapter->ahw->linkup = 0;
1413
1414 ret = qlcnic_attach(adapter);
1415 if (ret) {
1416 netif_device_attach(netdev);
1417 return ret;
1418 }
1419
1420 ret = qlcnic_fw_create_ctx(adapter);
1421 if (ret) {
1422 qlcnic_detach(adapter);
1423 if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) {
1424 adapter->drv_sds_rings = num_sds_ring;
1425 qlcnic_attach(adapter);
1426 }
1427 netif_device_attach(netdev);
1428 return ret;
1429 }
1430
1431 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1432 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1433 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1434 }
1435
1436 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1437 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1438 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1439 qlcnic_enable_sds_intr(adapter, sds_ring);
1440 }
1441 }
1442
1443 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1444 adapter->ahw->loopback_state = 0;
1445 adapter->ahw->hw_ops->setup_link_event(adapter, 1);
1446 }
1447
1448 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1449 return 0;
1450 }
1451
qlcnic_83xx_diag_free_res(struct net_device * netdev,u8 drv_sds_rings)1452 static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
1453 u8 drv_sds_rings)
1454 {
1455 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1456 struct qlcnic_host_sds_ring *sds_ring;
1457 int ring;
1458
1459 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1460 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1461 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1462 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1463 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1464 qlcnic_disable_sds_intr(adapter, sds_ring);
1465 }
1466 }
1467
1468 qlcnic_fw_destroy_ctx(adapter);
1469 qlcnic_detach(adapter);
1470
1471 adapter->ahw->diag_test = 0;
1472 adapter->drv_sds_rings = drv_sds_rings;
1473
1474 if (qlcnic_attach(adapter))
1475 goto out;
1476
1477 if (netif_running(netdev))
1478 __qlcnic_up(adapter, netdev);
1479
1480 out:
1481 netif_device_attach(netdev);
1482 }
1483
qlcnic_83xx_get_beacon_state(struct qlcnic_adapter * adapter)1484 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter)
1485 {
1486 struct qlcnic_hardware_context *ahw = adapter->ahw;
1487 struct qlcnic_cmd_args cmd;
1488 u8 beacon_state;
1489 int err = 0;
1490
1491 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG);
1492 if (!err) {
1493 err = qlcnic_issue_cmd(adapter, &cmd);
1494 if (!err) {
1495 beacon_state = cmd.rsp.arg[4];
1496 if (beacon_state == QLCNIC_BEACON_DISABLE)
1497 ahw->beacon_state = QLC_83XX_BEACON_OFF;
1498 else if (beacon_state == QLC_83XX_ENABLE_BEACON)
1499 ahw->beacon_state = QLC_83XX_BEACON_ON;
1500 }
1501 } else {
1502 netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n",
1503 err);
1504 }
1505
1506 qlcnic_free_mbx_args(&cmd);
1507
1508 return;
1509 }
1510
qlcnic_83xx_config_led(struct qlcnic_adapter * adapter,u32 state,u32 beacon)1511 int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state,
1512 u32 beacon)
1513 {
1514 struct qlcnic_cmd_args cmd;
1515 u32 mbx_in;
1516 int i, status = 0;
1517
1518 if (state) {
1519 /* Get LED configuration */
1520 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1521 QLCNIC_CMD_GET_LED_CONFIG);
1522 if (status)
1523 return status;
1524
1525 status = qlcnic_issue_cmd(adapter, &cmd);
1526 if (status) {
1527 dev_err(&adapter->pdev->dev,
1528 "Get led config failed.\n");
1529 goto mbx_err;
1530 } else {
1531 for (i = 0; i < 4; i++)
1532 adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1];
1533 }
1534 qlcnic_free_mbx_args(&cmd);
1535 /* Set LED Configuration */
1536 mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) |
1537 LSW(QLC_83XX_LED_CONFIG);
1538 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1539 QLCNIC_CMD_SET_LED_CONFIG);
1540 if (status)
1541 return status;
1542
1543 cmd.req.arg[1] = mbx_in;
1544 cmd.req.arg[2] = mbx_in;
1545 cmd.req.arg[3] = mbx_in;
1546 if (beacon)
1547 cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON;
1548 status = qlcnic_issue_cmd(adapter, &cmd);
1549 if (status) {
1550 dev_err(&adapter->pdev->dev,
1551 "Set led config failed.\n");
1552 }
1553 mbx_err:
1554 qlcnic_free_mbx_args(&cmd);
1555 return status;
1556
1557 } else {
1558 /* Restoring default LED configuration */
1559 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1560 QLCNIC_CMD_SET_LED_CONFIG);
1561 if (status)
1562 return status;
1563
1564 cmd.req.arg[1] = adapter->ahw->mbox_reg[0];
1565 cmd.req.arg[2] = adapter->ahw->mbox_reg[1];
1566 cmd.req.arg[3] = adapter->ahw->mbox_reg[2];
1567 if (beacon)
1568 cmd.req.arg[4] = adapter->ahw->mbox_reg[3];
1569 status = qlcnic_issue_cmd(adapter, &cmd);
1570 if (status)
1571 dev_err(&adapter->pdev->dev,
1572 "Restoring led config failed.\n");
1573 qlcnic_free_mbx_args(&cmd);
1574 return status;
1575 }
1576 }
1577
qlcnic_83xx_set_led(struct net_device * netdev,enum ethtool_phys_id_state state)1578 int qlcnic_83xx_set_led(struct net_device *netdev,
1579 enum ethtool_phys_id_state state)
1580 {
1581 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1582 int err = -EIO, active = 1;
1583
1584 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1585 netdev_warn(netdev,
1586 "LED test is not supported in non-privileged mode\n");
1587 return -EOPNOTSUPP;
1588 }
1589
1590 switch (state) {
1591 case ETHTOOL_ID_ACTIVE:
1592 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1593 return -EBUSY;
1594
1595 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1596 break;
1597
1598 err = qlcnic_83xx_config_led(adapter, active, 0);
1599 if (err)
1600 netdev_err(netdev, "Failed to set LED blink state\n");
1601 break;
1602 case ETHTOOL_ID_INACTIVE:
1603 active = 0;
1604
1605 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1606 break;
1607
1608 err = qlcnic_83xx_config_led(adapter, active, 0);
1609 if (err)
1610 netdev_err(netdev, "Failed to reset LED blink state\n");
1611 break;
1612
1613 default:
1614 return -EINVAL;
1615 }
1616
1617 if (!active || err)
1618 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1619
1620 return err;
1621 }
1622
qlcnic_83xx_initialize_nic(struct qlcnic_adapter * adapter,int enable)1623 void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable)
1624 {
1625 struct qlcnic_cmd_args cmd;
1626 int status;
1627
1628 if (qlcnic_sriov_vf_check(adapter))
1629 return;
1630
1631 if (enable)
1632 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1633 QLCNIC_CMD_INIT_NIC_FUNC);
1634 else
1635 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1636 QLCNIC_CMD_STOP_NIC_FUNC);
1637
1638 if (status)
1639 return;
1640
1641 cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES;
1642
1643 if (adapter->dcb)
1644 cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN;
1645
1646 status = qlcnic_issue_cmd(adapter, &cmd);
1647 if (status)
1648 dev_err(&adapter->pdev->dev,
1649 "Failed to %s in NIC IDC function event.\n",
1650 (enable ? "register" : "unregister"));
1651
1652 qlcnic_free_mbx_args(&cmd);
1653 }
1654
qlcnic_83xx_set_port_config(struct qlcnic_adapter * adapter)1655 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter)
1656 {
1657 struct qlcnic_cmd_args cmd;
1658 int err;
1659
1660 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG);
1661 if (err)
1662 return err;
1663
1664 cmd.req.arg[1] = adapter->ahw->port_config;
1665 err = qlcnic_issue_cmd(adapter, &cmd);
1666 if (err)
1667 dev_info(&adapter->pdev->dev, "Set Port Config failed.\n");
1668 qlcnic_free_mbx_args(&cmd);
1669 return err;
1670 }
1671
qlcnic_83xx_get_port_config(struct qlcnic_adapter * adapter)1672 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter)
1673 {
1674 struct qlcnic_cmd_args cmd;
1675 int err;
1676
1677 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG);
1678 if (err)
1679 return err;
1680
1681 err = qlcnic_issue_cmd(adapter, &cmd);
1682 if (err)
1683 dev_info(&adapter->pdev->dev, "Get Port config failed\n");
1684 else
1685 adapter->ahw->port_config = cmd.rsp.arg[1];
1686 qlcnic_free_mbx_args(&cmd);
1687 return err;
1688 }
1689
qlcnic_83xx_setup_link_event(struct qlcnic_adapter * adapter,int enable)1690 int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable)
1691 {
1692 int err;
1693 u32 temp;
1694 struct qlcnic_cmd_args cmd;
1695
1696 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT);
1697 if (err)
1698 return err;
1699
1700 temp = adapter->recv_ctx->context_id << 16;
1701 cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp;
1702 err = qlcnic_issue_cmd(adapter, &cmd);
1703 if (err)
1704 dev_info(&adapter->pdev->dev,
1705 "Setup linkevent mailbox failed\n");
1706 qlcnic_free_mbx_args(&cmd);
1707 return err;
1708 }
1709
qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter * adapter,u32 * interface_id)1710 static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1711 u32 *interface_id)
1712 {
1713 if (qlcnic_sriov_pf_check(adapter)) {
1714 qlcnic_alloc_lb_filters_mem(adapter);
1715 qlcnic_pf_set_interface_id_promisc(adapter, interface_id);
1716 adapter->rx_mac_learn = true;
1717 } else {
1718 if (!qlcnic_sriov_vf_check(adapter))
1719 *interface_id = adapter->recv_ctx->context_id << 16;
1720 }
1721 }
1722
qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter * adapter,u32 mode)1723 int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
1724 {
1725 struct qlcnic_cmd_args *cmd = NULL;
1726 u32 temp = 0;
1727 int err;
1728
1729 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
1730 return -EIO;
1731
1732 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
1733 if (!cmd)
1734 return -ENOMEM;
1735
1736 err = qlcnic_alloc_mbx_args(cmd, adapter,
1737 QLCNIC_CMD_CONFIGURE_MAC_RX_MODE);
1738 if (err)
1739 goto out;
1740
1741 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
1742 qlcnic_83xx_set_interface_id_promisc(adapter, &temp);
1743
1744 if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter))
1745 mode = VPORT_MISS_MODE_ACCEPT_ALL;
1746
1747 cmd->req.arg[1] = mode | temp;
1748 err = qlcnic_issue_cmd(adapter, cmd);
1749 if (!err)
1750 return err;
1751
1752 qlcnic_free_mbx_args(cmd);
1753
1754 out:
1755 kfree(cmd);
1756 return err;
1757 }
1758
qlcnic_83xx_loopback_test(struct net_device * netdev,u8 mode)1759 int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
1760 {
1761 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1762 struct qlcnic_hardware_context *ahw = adapter->ahw;
1763 u8 drv_sds_rings = adapter->drv_sds_rings;
1764 u8 drv_tx_rings = adapter->drv_tx_rings;
1765 int ret = 0, loop = 0;
1766
1767 if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1768 netdev_warn(netdev,
1769 "Loopback test not supported in non privileged mode\n");
1770 return -ENOTSUPP;
1771 }
1772
1773 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1774 netdev_info(netdev, "Device is resetting\n");
1775 return -EBUSY;
1776 }
1777
1778 if (qlcnic_get_diag_lock(adapter)) {
1779 netdev_info(netdev, "Device is in diagnostics mode\n");
1780 return -EBUSY;
1781 }
1782
1783 netdev_info(netdev, "%s loopback test in progress\n",
1784 mode == QLCNIC_ILB_MODE ? "internal" : "external");
1785
1786 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST,
1787 drv_sds_rings);
1788 if (ret)
1789 goto fail_diag_alloc;
1790
1791 ret = qlcnic_83xx_set_lb_mode(adapter, mode);
1792 if (ret)
1793 goto free_diag_res;
1794
1795 /* Poll for link up event before running traffic */
1796 do {
1797 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1798
1799 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1800 netdev_info(netdev,
1801 "Device is resetting, free LB test resources\n");
1802 ret = -EBUSY;
1803 goto free_diag_res;
1804 }
1805 if (loop++ > QLC_83XX_LB_WAIT_COUNT) {
1806 netdev_info(netdev,
1807 "Firmware didn't sent link up event to loopback request\n");
1808 ret = -ETIMEDOUT;
1809 qlcnic_83xx_clear_lb_mode(adapter, mode);
1810 goto free_diag_res;
1811 }
1812 } while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
1813
1814 ret = qlcnic_do_lb_test(adapter, mode);
1815
1816 qlcnic_83xx_clear_lb_mode(adapter, mode);
1817
1818 free_diag_res:
1819 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
1820
1821 fail_diag_alloc:
1822 adapter->drv_sds_rings = drv_sds_rings;
1823 adapter->drv_tx_rings = drv_tx_rings;
1824 qlcnic_release_diag_lock(adapter);
1825 return ret;
1826 }
1827
qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter * adapter,u32 * max_wait_count)1828 static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter,
1829 u32 *max_wait_count)
1830 {
1831 struct qlcnic_hardware_context *ahw = adapter->ahw;
1832 int temp;
1833
1834 netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n",
1835 ahw->extend_lb_time);
1836 temp = ahw->extend_lb_time * 1000;
1837 *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT;
1838 ahw->extend_lb_time = 0;
1839 }
1840
qlcnic_83xx_set_lb_mode(struct qlcnic_adapter * adapter,u8 mode)1841 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1842 {
1843 struct qlcnic_hardware_context *ahw = adapter->ahw;
1844 struct net_device *netdev = adapter->netdev;
1845 u32 config, max_wait_count;
1846 int status = 0, loop = 0;
1847
1848 ahw->extend_lb_time = 0;
1849 max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1850 status = qlcnic_83xx_get_port_config(adapter);
1851 if (status)
1852 return status;
1853
1854 config = ahw->port_config;
1855
1856 /* Check if port is already in loopback mode */
1857 if ((config & QLC_83XX_CFG_LOOPBACK_HSS) ||
1858 (config & QLC_83XX_CFG_LOOPBACK_EXT)) {
1859 netdev_err(netdev,
1860 "Port already in Loopback mode.\n");
1861 return -EINPROGRESS;
1862 }
1863
1864 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1865
1866 if (mode == QLCNIC_ILB_MODE)
1867 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS;
1868 if (mode == QLCNIC_ELB_MODE)
1869 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT;
1870
1871 status = qlcnic_83xx_set_port_config(adapter);
1872 if (status) {
1873 netdev_err(netdev,
1874 "Failed to Set Loopback Mode = 0x%x.\n",
1875 ahw->port_config);
1876 ahw->port_config = config;
1877 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1878 return status;
1879 }
1880
1881 /* Wait for Link and IDC Completion AEN */
1882 do {
1883 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1884
1885 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1886 netdev_info(netdev,
1887 "Device is resetting, free LB test resources\n");
1888 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1889 return -EBUSY;
1890 }
1891
1892 if (ahw->extend_lb_time)
1893 qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1894 &max_wait_count);
1895
1896 if (loop++ > max_wait_count) {
1897 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1898 __func__);
1899 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1900 qlcnic_83xx_clear_lb_mode(adapter, mode);
1901 return -ETIMEDOUT;
1902 }
1903 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1904
1905 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1906 QLCNIC_MAC_ADD);
1907 return status;
1908 }
1909
qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter * adapter,u8 mode)1910 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1911 {
1912 struct qlcnic_hardware_context *ahw = adapter->ahw;
1913 u32 config = ahw->port_config, max_wait_count;
1914 struct net_device *netdev = adapter->netdev;
1915 int status = 0, loop = 0;
1916
1917 ahw->extend_lb_time = 0;
1918 max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1919 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1920 if (mode == QLCNIC_ILB_MODE)
1921 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS;
1922 if (mode == QLCNIC_ELB_MODE)
1923 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT;
1924
1925 status = qlcnic_83xx_set_port_config(adapter);
1926 if (status) {
1927 netdev_err(netdev,
1928 "Failed to Clear Loopback Mode = 0x%x.\n",
1929 ahw->port_config);
1930 ahw->port_config = config;
1931 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1932 return status;
1933 }
1934
1935 /* Wait for Link and IDC Completion AEN */
1936 do {
1937 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1938
1939 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1940 netdev_info(netdev,
1941 "Device is resetting, free LB test resources\n");
1942 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1943 return -EBUSY;
1944 }
1945
1946 if (ahw->extend_lb_time)
1947 qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1948 &max_wait_count);
1949
1950 if (loop++ > max_wait_count) {
1951 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1952 __func__);
1953 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1954 return -ETIMEDOUT;
1955 }
1956 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1957
1958 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1959 QLCNIC_MAC_DEL);
1960 return status;
1961 }
1962
qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter * adapter,u32 * interface_id)1963 static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1964 u32 *interface_id)
1965 {
1966 if (qlcnic_sriov_pf_check(adapter)) {
1967 qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id);
1968 } else {
1969 if (!qlcnic_sriov_vf_check(adapter))
1970 *interface_id = adapter->recv_ctx->context_id << 16;
1971 }
1972 }
1973
qlcnic_83xx_config_ipaddr(struct qlcnic_adapter * adapter,__be32 ip,int mode)1974 void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip,
1975 int mode)
1976 {
1977 int err;
1978 u32 temp = 0, temp_ip;
1979 struct qlcnic_cmd_args cmd;
1980
1981 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1982 QLCNIC_CMD_CONFIGURE_IP_ADDR);
1983 if (err)
1984 return;
1985
1986 qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp);
1987
1988 if (mode == QLCNIC_IP_UP)
1989 cmd.req.arg[1] = 1 | temp;
1990 else
1991 cmd.req.arg[1] = 2 | temp;
1992
1993 /*
1994 * Adapter needs IP address in network byte order.
1995 * But hardware mailbox registers go through writel(), hence IP address
1996 * gets swapped on big endian architecture.
1997 * To negate swapping of writel() on big endian architecture
1998 * use swab32(value).
1999 */
2000
2001 temp_ip = swab32(ntohl(ip));
2002 memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32));
2003 err = qlcnic_issue_cmd(adapter, &cmd);
2004 if (err != QLCNIC_RCODE_SUCCESS)
2005 dev_err(&adapter->netdev->dev,
2006 "could not notify %s IP 0x%x request\n",
2007 (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
2008
2009 qlcnic_free_mbx_args(&cmd);
2010 }
2011
qlcnic_83xx_config_hw_lro(struct qlcnic_adapter * adapter,int mode)2012 int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode)
2013 {
2014 int err;
2015 u32 temp, arg1;
2016 struct qlcnic_cmd_args cmd;
2017 int lro_bit_mask;
2018
2019 lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0);
2020
2021 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2022 return 0;
2023
2024 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO);
2025 if (err)
2026 return err;
2027
2028 temp = adapter->recv_ctx->context_id << 16;
2029 arg1 = lro_bit_mask | temp;
2030 cmd.req.arg[1] = arg1;
2031
2032 err = qlcnic_issue_cmd(adapter, &cmd);
2033 if (err)
2034 dev_info(&adapter->pdev->dev, "LRO config failed\n");
2035 qlcnic_free_mbx_args(&cmd);
2036
2037 return err;
2038 }
2039
qlcnic_83xx_config_rss(struct qlcnic_adapter * adapter,int enable)2040 int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable)
2041 {
2042 int err;
2043 u32 word;
2044 struct qlcnic_cmd_args cmd;
2045 const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
2046 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
2047 0x255b0ec26d5a56daULL };
2048
2049 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS);
2050 if (err)
2051 return err;
2052 /*
2053 * RSS request:
2054 * bits 3-0: Rsvd
2055 * 5-4: hash_type_ipv4
2056 * 7-6: hash_type_ipv6
2057 * 8: enable
2058 * 9: use indirection table
2059 * 16-31: indirection table mask
2060 */
2061 word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
2062 ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
2063 ((u32)(enable & 0x1) << 8) |
2064 ((0x7ULL) << 16);
2065 cmd.req.arg[1] = (adapter->recv_ctx->context_id);
2066 cmd.req.arg[2] = word;
2067 memcpy(&cmd.req.arg[4], key, sizeof(key));
2068
2069 err = qlcnic_issue_cmd(adapter, &cmd);
2070
2071 if (err)
2072 dev_info(&adapter->pdev->dev, "RSS config failed\n");
2073 qlcnic_free_mbx_args(&cmd);
2074
2075 return err;
2076
2077 }
2078
qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter * adapter,u32 * interface_id)2079 static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
2080 u32 *interface_id)
2081 {
2082 if (qlcnic_sriov_pf_check(adapter)) {
2083 qlcnic_pf_set_interface_id_macaddr(adapter, interface_id);
2084 } else {
2085 if (!qlcnic_sriov_vf_check(adapter))
2086 *interface_id = adapter->recv_ctx->context_id << 16;
2087 }
2088 }
2089
qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter * adapter,u8 * addr,u16 vlan_id,u8 op)2090 int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
2091 u16 vlan_id, u8 op)
2092 {
2093 struct qlcnic_cmd_args *cmd = NULL;
2094 struct qlcnic_macvlan_mbx mv;
2095 u32 *buf, temp = 0;
2096 int err;
2097
2098 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2099 return -EIO;
2100
2101 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
2102 if (!cmd)
2103 return -ENOMEM;
2104
2105 err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN);
2106 if (err)
2107 goto out;
2108
2109 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
2110
2111 if (vlan_id)
2112 op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
2113 QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
2114
2115 cmd->req.arg[1] = op | (1 << 8);
2116 qlcnic_83xx_set_interface_id_macaddr(adapter, &temp);
2117 cmd->req.arg[1] |= temp;
2118 mv.vlan = vlan_id;
2119 mv.mac_addr0 = addr[0];
2120 mv.mac_addr1 = addr[1];
2121 mv.mac_addr2 = addr[2];
2122 mv.mac_addr3 = addr[3];
2123 mv.mac_addr4 = addr[4];
2124 mv.mac_addr5 = addr[5];
2125 buf = &cmd->req.arg[2];
2126 memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
2127 err = qlcnic_issue_cmd(adapter, cmd);
2128 if (!err)
2129 return err;
2130
2131 qlcnic_free_mbx_args(cmd);
2132 out:
2133 kfree(cmd);
2134 return err;
2135 }
2136
qlcnic_83xx_change_l2_filter(struct qlcnic_adapter * adapter,u64 * addr,u16 vlan_id,struct qlcnic_host_tx_ring * tx_ring)2137 void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr,
2138 u16 vlan_id,
2139 struct qlcnic_host_tx_ring *tx_ring)
2140 {
2141 u8 mac[ETH_ALEN];
2142 memcpy(&mac, addr, ETH_ALEN);
2143 qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD);
2144 }
2145
qlcnic_83xx_configure_mac(struct qlcnic_adapter * adapter,u8 * mac,u8 type,struct qlcnic_cmd_args * cmd)2146 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac,
2147 u8 type, struct qlcnic_cmd_args *cmd)
2148 {
2149 switch (type) {
2150 case QLCNIC_SET_STATION_MAC:
2151 case QLCNIC_SET_FAC_DEF_MAC:
2152 memcpy(&cmd->req.arg[2], mac, sizeof(u32));
2153 memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16));
2154 break;
2155 }
2156 cmd->req.arg[1] = type;
2157 }
2158
qlcnic_83xx_get_mac_address(struct qlcnic_adapter * adapter,u8 * mac,u8 function)2159 int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
2160 u8 function)
2161 {
2162 int err, i;
2163 struct qlcnic_cmd_args cmd;
2164 u32 mac_low, mac_high;
2165
2166 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
2167 if (err)
2168 return err;
2169
2170 qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd);
2171 err = qlcnic_issue_cmd(adapter, &cmd);
2172
2173 if (err == QLCNIC_RCODE_SUCCESS) {
2174 mac_low = cmd.rsp.arg[1];
2175 mac_high = cmd.rsp.arg[2];
2176
2177 for (i = 0; i < 2; i++)
2178 mac[i] = (u8) (mac_high >> ((1 - i) * 8));
2179 for (i = 2; i < 6; i++)
2180 mac[i] = (u8) (mac_low >> ((5 - i) * 8));
2181 } else {
2182 dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n",
2183 err);
2184 err = -EIO;
2185 }
2186 qlcnic_free_mbx_args(&cmd);
2187 return err;
2188 }
2189
qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter * adapter)2190 static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter)
2191 {
2192 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2193 struct qlcnic_cmd_args cmd;
2194 u16 temp;
2195 int err;
2196
2197 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2198 if (err)
2199 return err;
2200
2201 temp = adapter->recv_ctx->context_id;
2202 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16;
2203 temp = coal->rx_time_us;
2204 cmd.req.arg[2] = coal->rx_packets | temp << 16;
2205 cmd.req.arg[3] = coal->flag;
2206
2207 err = qlcnic_issue_cmd(adapter, &cmd);
2208 if (err != QLCNIC_RCODE_SUCCESS)
2209 netdev_err(adapter->netdev,
2210 "failed to set interrupt coalescing parameters\n");
2211
2212 qlcnic_free_mbx_args(&cmd);
2213
2214 return err;
2215 }
2216
qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter * adapter)2217 static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter)
2218 {
2219 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2220 struct qlcnic_cmd_args cmd;
2221 u16 temp;
2222 int err;
2223
2224 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2225 if (err)
2226 return err;
2227
2228 temp = adapter->tx_ring->ctx_id;
2229 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16;
2230 temp = coal->tx_time_us;
2231 cmd.req.arg[2] = coal->tx_packets | temp << 16;
2232 cmd.req.arg[3] = coal->flag;
2233
2234 err = qlcnic_issue_cmd(adapter, &cmd);
2235 if (err != QLCNIC_RCODE_SUCCESS)
2236 netdev_err(adapter->netdev,
2237 "failed to set interrupt coalescing parameters\n");
2238
2239 qlcnic_free_mbx_args(&cmd);
2240
2241 return err;
2242 }
2243
qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter * adapter)2244 int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter)
2245 {
2246 int err = 0;
2247
2248 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2249 if (err)
2250 netdev_err(adapter->netdev,
2251 "failed to set Rx coalescing parameters\n");
2252
2253 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2254 if (err)
2255 netdev_err(adapter->netdev,
2256 "failed to set Tx coalescing parameters\n");
2257
2258 return err;
2259 }
2260
qlcnic_83xx_config_intr_coal(struct qlcnic_adapter * adapter,struct ethtool_coalesce * ethcoal)2261 int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter,
2262 struct ethtool_coalesce *ethcoal)
2263 {
2264 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2265 u32 rx_coalesce_usecs, rx_max_frames;
2266 u32 tx_coalesce_usecs, tx_max_frames;
2267 int err;
2268
2269 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2270 return -EIO;
2271
2272 tx_coalesce_usecs = ethcoal->tx_coalesce_usecs;
2273 tx_max_frames = ethcoal->tx_max_coalesced_frames;
2274 rx_coalesce_usecs = ethcoal->rx_coalesce_usecs;
2275 rx_max_frames = ethcoal->rx_max_coalesced_frames;
2276 coal->flag = QLCNIC_INTR_DEFAULT;
2277
2278 if ((coal->rx_time_us == rx_coalesce_usecs) &&
2279 (coal->rx_packets == rx_max_frames)) {
2280 coal->type = QLCNIC_INTR_COAL_TYPE_TX;
2281 coal->tx_time_us = tx_coalesce_usecs;
2282 coal->tx_packets = tx_max_frames;
2283 } else if ((coal->tx_time_us == tx_coalesce_usecs) &&
2284 (coal->tx_packets == tx_max_frames)) {
2285 coal->type = QLCNIC_INTR_COAL_TYPE_RX;
2286 coal->rx_time_us = rx_coalesce_usecs;
2287 coal->rx_packets = rx_max_frames;
2288 } else {
2289 coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2290 coal->rx_time_us = rx_coalesce_usecs;
2291 coal->rx_packets = rx_max_frames;
2292 coal->tx_time_us = tx_coalesce_usecs;
2293 coal->tx_packets = tx_max_frames;
2294 }
2295
2296 switch (coal->type) {
2297 case QLCNIC_INTR_COAL_TYPE_RX:
2298 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2299 break;
2300 case QLCNIC_INTR_COAL_TYPE_TX:
2301 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2302 break;
2303 case QLCNIC_INTR_COAL_TYPE_RX_TX:
2304 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
2305 break;
2306 default:
2307 err = -EINVAL;
2308 netdev_err(adapter->netdev,
2309 "Invalid Interrupt coalescing type\n");
2310 break;
2311 }
2312
2313 return err;
2314 }
2315
qlcnic_83xx_handle_link_aen(struct qlcnic_adapter * adapter,u32 data[])2316 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
2317 u32 data[])
2318 {
2319 struct qlcnic_hardware_context *ahw = adapter->ahw;
2320 u8 link_status, duplex;
2321 /* link speed */
2322 link_status = LSB(data[3]) & 1;
2323 if (link_status) {
2324 ahw->link_speed = MSW(data[2]);
2325 duplex = LSB(MSW(data[3]));
2326 if (duplex)
2327 ahw->link_duplex = DUPLEX_FULL;
2328 else
2329 ahw->link_duplex = DUPLEX_HALF;
2330 } else {
2331 ahw->link_speed = SPEED_UNKNOWN;
2332 ahw->link_duplex = DUPLEX_UNKNOWN;
2333 }
2334
2335 ahw->link_autoneg = MSB(MSW(data[3]));
2336 ahw->module_type = MSB(LSW(data[3]));
2337 ahw->has_link_events = 1;
2338 ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK;
2339 qlcnic_advert_link_change(adapter, link_status);
2340 }
2341
qlcnic_83xx_handle_aen(int irq,void * data)2342 static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data)
2343 {
2344 u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
2345 struct qlcnic_adapter *adapter = data;
2346 struct qlcnic_mailbox *mbx;
2347 unsigned long flags;
2348
2349 mbx = adapter->ahw->mailbox;
2350 spin_lock_irqsave(&mbx->aen_lock, flags);
2351 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
2352 if (!(resp & QLCNIC_SET_OWNER))
2353 goto out;
2354
2355 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
2356 if (event & QLCNIC_MBX_ASYNC_EVENT) {
2357 __qlcnic_83xx_process_aen(adapter);
2358 } else {
2359 if (mbx->rsp_status != rsp_status)
2360 qlcnic_83xx_notify_mbx_response(mbx);
2361 else
2362 adapter->stats.mbx_spurious_intr++;
2363 }
2364
2365 out:
2366 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
2367 writel(0, adapter->ahw->pci_base0 + mask);
2368 spin_unlock_irqrestore(&mbx->aen_lock, flags);
2369 return IRQ_HANDLED;
2370 }
2371
qlcnic_83xx_set_nic_info(struct qlcnic_adapter * adapter,struct qlcnic_info * nic)2372 int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter,
2373 struct qlcnic_info *nic)
2374 {
2375 int i, err = -EIO;
2376 struct qlcnic_cmd_args cmd;
2377
2378 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
2379 dev_err(&adapter->pdev->dev,
2380 "%s: Error, invoked by non management func\n",
2381 __func__);
2382 return err;
2383 }
2384
2385 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
2386 if (err)
2387 return err;
2388
2389 cmd.req.arg[1] = (nic->pci_func << 16);
2390 cmd.req.arg[2] = 0x1 << 16;
2391 cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16);
2392 cmd.req.arg[4] = nic->capabilities;
2393 cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16);
2394 cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16);
2395 cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16);
2396 for (i = 8; i < 32; i++)
2397 cmd.req.arg[i] = 0;
2398
2399 err = qlcnic_issue_cmd(adapter, &cmd);
2400
2401 if (err != QLCNIC_RCODE_SUCCESS) {
2402 dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n",
2403 err);
2404 err = -EIO;
2405 }
2406
2407 qlcnic_free_mbx_args(&cmd);
2408
2409 return err;
2410 }
2411
qlcnic_83xx_get_nic_info(struct qlcnic_adapter * adapter,struct qlcnic_info * npar_info,u8 func_id)2412 int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter,
2413 struct qlcnic_info *npar_info, u8 func_id)
2414 {
2415 int err;
2416 u32 temp;
2417 u8 op = 0;
2418 struct qlcnic_cmd_args cmd;
2419 struct qlcnic_hardware_context *ahw = adapter->ahw;
2420
2421 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
2422 if (err)
2423 return err;
2424
2425 if (func_id != ahw->pci_func) {
2426 temp = func_id << 16;
2427 cmd.req.arg[1] = op | BIT_31 | temp;
2428 } else {
2429 cmd.req.arg[1] = ahw->pci_func << 16;
2430 }
2431 err = qlcnic_issue_cmd(adapter, &cmd);
2432 if (err) {
2433 dev_info(&adapter->pdev->dev,
2434 "Failed to get nic info %d\n", err);
2435 goto out;
2436 }
2437
2438 npar_info->op_type = cmd.rsp.arg[1];
2439 npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF;
2440 npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16;
2441 npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF;
2442 npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16;
2443 npar_info->capabilities = cmd.rsp.arg[4];
2444 npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF;
2445 npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16;
2446 npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF;
2447 npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16;
2448 npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF;
2449 npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16;
2450 if (cmd.rsp.arg[8] & 0x1)
2451 npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1;
2452 if (cmd.rsp.arg[8] & 0x10000) {
2453 temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17;
2454 npar_info->max_linkspeed_reg_offset = temp;
2455 }
2456
2457 memcpy(ahw->extra_capability, &cmd.rsp.arg[16],
2458 sizeof(ahw->extra_capability));
2459
2460 out:
2461 qlcnic_free_mbx_args(&cmd);
2462 return err;
2463 }
2464
qlcnic_get_pci_func_type(struct qlcnic_adapter * adapter,u16 type,u16 * nic,u16 * fcoe,u16 * iscsi)2465 int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type,
2466 u16 *nic, u16 *fcoe, u16 *iscsi)
2467 {
2468 struct device *dev = &adapter->pdev->dev;
2469 int err = 0;
2470
2471 switch (type) {
2472 case QLCNIC_TYPE_NIC:
2473 (*nic)++;
2474 break;
2475 case QLCNIC_TYPE_FCOE:
2476 (*fcoe)++;
2477 break;
2478 case QLCNIC_TYPE_ISCSI:
2479 (*iscsi)++;
2480 break;
2481 default:
2482 dev_err(dev, "%s: Unknown PCI type[%x]\n",
2483 __func__, type);
2484 err = -EIO;
2485 }
2486
2487 return err;
2488 }
2489
qlcnic_83xx_get_pci_info(struct qlcnic_adapter * adapter,struct qlcnic_pci_info * pci_info)2490 int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter,
2491 struct qlcnic_pci_info *pci_info)
2492 {
2493 struct qlcnic_hardware_context *ahw = adapter->ahw;
2494 struct device *dev = &adapter->pdev->dev;
2495 u16 nic = 0, fcoe = 0, iscsi = 0;
2496 struct qlcnic_cmd_args cmd;
2497 int i, err = 0, j = 0;
2498 u32 temp;
2499
2500 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
2501 if (err)
2502 return err;
2503
2504 err = qlcnic_issue_cmd(adapter, &cmd);
2505
2506 ahw->total_nic_func = 0;
2507 if (err == QLCNIC_RCODE_SUCCESS) {
2508 ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF;
2509 for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) {
2510 pci_info->id = cmd.rsp.arg[i] & 0xFFFF;
2511 pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2512 i++;
2513 if (!pci_info->active) {
2514 i += QLC_SKIP_INACTIVE_PCI_REGS;
2515 continue;
2516 }
2517 pci_info->type = cmd.rsp.arg[i] & 0xFFFF;
2518 err = qlcnic_get_pci_func_type(adapter, pci_info->type,
2519 &nic, &fcoe, &iscsi);
2520 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2521 pci_info->default_port = temp;
2522 i++;
2523 pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF;
2524 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2525 pci_info->tx_max_bw = temp;
2526 i = i + 2;
2527 memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2);
2528 i++;
2529 memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2);
2530 i = i + 3;
2531 }
2532 } else {
2533 dev_err(dev, "Failed to get PCI Info, error = %d\n", err);
2534 err = -EIO;
2535 }
2536
2537 ahw->total_nic_func = nic;
2538 ahw->total_pci_func = nic + fcoe + iscsi;
2539 if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
2540 dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
2541 __func__, ahw->total_nic_func, ahw->total_pci_func);
2542 err = -EIO;
2543 }
2544 qlcnic_free_mbx_args(&cmd);
2545
2546 return err;
2547 }
2548
qlcnic_83xx_config_intrpt(struct qlcnic_adapter * adapter,bool op_type)2549 int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type)
2550 {
2551 int i, index, err;
2552 u8 max_ints;
2553 u32 val, temp, type;
2554 struct qlcnic_cmd_args cmd;
2555
2556 max_ints = adapter->ahw->num_msix - 1;
2557 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT);
2558 if (err)
2559 return err;
2560
2561 cmd.req.arg[1] = max_ints;
2562
2563 if (qlcnic_sriov_vf_check(adapter))
2564 cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16;
2565
2566 for (i = 0, index = 2; i < max_ints; i++) {
2567 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
2568 val = type | (adapter->ahw->intr_tbl[i].type << 4);
2569 if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
2570 val |= (adapter->ahw->intr_tbl[i].id << 16);
2571 cmd.req.arg[index++] = val;
2572 }
2573 err = qlcnic_issue_cmd(adapter, &cmd);
2574 if (err) {
2575 dev_err(&adapter->pdev->dev,
2576 "Failed to configure interrupts 0x%x\n", err);
2577 goto out;
2578 }
2579
2580 max_ints = cmd.rsp.arg[1];
2581 for (i = 0, index = 2; i < max_ints; i++, index += 2) {
2582 val = cmd.rsp.arg[index];
2583 if (LSB(val)) {
2584 dev_info(&adapter->pdev->dev,
2585 "Can't configure interrupt %d\n",
2586 adapter->ahw->intr_tbl[i].id);
2587 continue;
2588 }
2589 if (op_type) {
2590 adapter->ahw->intr_tbl[i].id = MSW(val);
2591 adapter->ahw->intr_tbl[i].enabled = 1;
2592 temp = cmd.rsp.arg[index + 1];
2593 adapter->ahw->intr_tbl[i].src = temp;
2594 } else {
2595 adapter->ahw->intr_tbl[i].id = i;
2596 adapter->ahw->intr_tbl[i].enabled = 0;
2597 adapter->ahw->intr_tbl[i].src = 0;
2598 }
2599 }
2600 out:
2601 qlcnic_free_mbx_args(&cmd);
2602 return err;
2603 }
2604
qlcnic_83xx_lock_flash(struct qlcnic_adapter * adapter)2605 int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter)
2606 {
2607 int id, timeout = 0;
2608 u32 status = 0;
2609
2610 while (status == 0) {
2611 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK);
2612 if (status)
2613 break;
2614
2615 if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) {
2616 id = QLC_SHARED_REG_RD32(adapter,
2617 QLCNIC_FLASH_LOCK_OWNER);
2618 dev_err(&adapter->pdev->dev,
2619 "%s: failed, lock held by %d\n", __func__, id);
2620 return -EIO;
2621 }
2622 usleep_range(1000, 2000);
2623 }
2624
2625 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum);
2626 return 0;
2627 }
2628
qlcnic_83xx_unlock_flash(struct qlcnic_adapter * adapter)2629 void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter)
2630 {
2631 QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK);
2632 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF);
2633 }
2634
qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter * adapter,u32 flash_addr,u8 * p_data,int count)2635 int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter,
2636 u32 flash_addr, u8 *p_data,
2637 int count)
2638 {
2639 u32 word, range, flash_offset, addr = flash_addr, ret;
2640 ulong indirect_add, direct_window;
2641 int i, err = 0;
2642
2643 flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1);
2644 if (addr & 0x3) {
2645 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
2646 return -EIO;
2647 }
2648
2649 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW,
2650 (addr & 0xFFFF0000));
2651
2652 range = flash_offset + (count * sizeof(u32));
2653 /* Check if data is spread across multiple sectors */
2654 if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2655
2656 /* Multi sector read */
2657 for (i = 0; i < count; i++) {
2658 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2659 ret = QLCRD32(adapter, indirect_add, &err);
2660 if (err == -EIO)
2661 return err;
2662
2663 word = ret;
2664 *(u32 *)p_data = word;
2665 p_data = p_data + 4;
2666 addr = addr + 4;
2667 flash_offset = flash_offset + 4;
2668
2669 if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2670 direct_window = QLC_83XX_FLASH_DIRECT_WINDOW;
2671 /* This write is needed once for each sector */
2672 qlcnic_83xx_wrt_reg_indirect(adapter,
2673 direct_window,
2674 (addr));
2675 flash_offset = 0;
2676 }
2677 }
2678 } else {
2679 /* Single sector read */
2680 for (i = 0; i < count; i++) {
2681 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2682 ret = QLCRD32(adapter, indirect_add, &err);
2683 if (err == -EIO)
2684 return err;
2685
2686 word = ret;
2687 *(u32 *)p_data = word;
2688 p_data = p_data + 4;
2689 addr = addr + 4;
2690 }
2691 }
2692
2693 return 0;
2694 }
2695
qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter * adapter)2696 static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter)
2697 {
2698 u32 status;
2699 int retries = QLC_83XX_FLASH_READ_RETRY_COUNT;
2700 int err = 0;
2701
2702 do {
2703 status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err);
2704 if (err == -EIO)
2705 return err;
2706
2707 if ((status & QLC_83XX_FLASH_STATUS_READY) ==
2708 QLC_83XX_FLASH_STATUS_READY)
2709 break;
2710
2711 usleep_range(1000, 1100);
2712 } while (--retries);
2713
2714 if (!retries)
2715 return -EIO;
2716
2717 return 0;
2718 }
2719
qlcnic_83xx_enable_flash_write(struct qlcnic_adapter * adapter)2720 int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter)
2721 {
2722 int ret;
2723 u32 cmd;
2724 cmd = adapter->ahw->fdt.write_statusreg_cmd;
2725 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2726 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd));
2727 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2728 adapter->ahw->fdt.write_enable_bits);
2729 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2730 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2731 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2732 if (ret)
2733 return -EIO;
2734
2735 return 0;
2736 }
2737
qlcnic_83xx_disable_flash_write(struct qlcnic_adapter * adapter)2738 int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter)
2739 {
2740 int ret;
2741
2742 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2743 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG |
2744 adapter->ahw->fdt.write_statusreg_cmd));
2745 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2746 adapter->ahw->fdt.write_disable_bits);
2747 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2748 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2749 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2750 if (ret)
2751 return -EIO;
2752
2753 return 0;
2754 }
2755
qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter * adapter)2756 int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter)
2757 {
2758 int ret, err = 0;
2759 u32 mfg_id;
2760
2761 if (qlcnic_83xx_lock_flash(adapter))
2762 return -EIO;
2763
2764 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2765 QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL);
2766 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2767 QLC_83XX_FLASH_READ_CTRL);
2768 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2769 if (ret) {
2770 qlcnic_83xx_unlock_flash(adapter);
2771 return -EIO;
2772 }
2773
2774 mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
2775 if (err == -EIO) {
2776 qlcnic_83xx_unlock_flash(adapter);
2777 return err;
2778 }
2779
2780 adapter->flash_mfg_id = (mfg_id & 0xFF);
2781 qlcnic_83xx_unlock_flash(adapter);
2782
2783 return 0;
2784 }
2785
qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter * adapter)2786 int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter)
2787 {
2788 int count, fdt_size, ret = 0;
2789
2790 fdt_size = sizeof(struct qlcnic_fdt);
2791 count = fdt_size / sizeof(u32);
2792
2793 if (qlcnic_83xx_lock_flash(adapter))
2794 return -EIO;
2795
2796 memset(&adapter->ahw->fdt, 0, fdt_size);
2797 ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION,
2798 (u8 *)&adapter->ahw->fdt,
2799 count);
2800 qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count);
2801 qlcnic_83xx_unlock_flash(adapter);
2802 return ret;
2803 }
2804
qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter * adapter,u32 sector_start_addr)2805 int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter,
2806 u32 sector_start_addr)
2807 {
2808 u32 reversed_addr, addr1, addr2, cmd;
2809 int ret = -EIO;
2810
2811 if (qlcnic_83xx_lock_flash(adapter) != 0)
2812 return -EIO;
2813
2814 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2815 ret = qlcnic_83xx_enable_flash_write(adapter);
2816 if (ret) {
2817 qlcnic_83xx_unlock_flash(adapter);
2818 dev_err(&adapter->pdev->dev,
2819 "%s failed at %d\n",
2820 __func__, __LINE__);
2821 return ret;
2822 }
2823 }
2824
2825 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2826 if (ret) {
2827 qlcnic_83xx_unlock_flash(adapter);
2828 dev_err(&adapter->pdev->dev,
2829 "%s: failed at %d\n", __func__, __LINE__);
2830 return -EIO;
2831 }
2832
2833 addr1 = (sector_start_addr & 0xFF) << 16;
2834 addr2 = (sector_start_addr & 0xFF0000) >> 16;
2835 reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00);
2836
2837 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2838 reversed_addr);
2839 cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd;
2840 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id)
2841 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd);
2842 else
2843 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2844 QLC_83XX_FLASH_OEM_ERASE_SIG);
2845 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2846 QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2847
2848 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2849 if (ret) {
2850 qlcnic_83xx_unlock_flash(adapter);
2851 dev_err(&adapter->pdev->dev,
2852 "%s: failed at %d\n", __func__, __LINE__);
2853 return -EIO;
2854 }
2855
2856 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2857 ret = qlcnic_83xx_disable_flash_write(adapter);
2858 if (ret) {
2859 qlcnic_83xx_unlock_flash(adapter);
2860 dev_err(&adapter->pdev->dev,
2861 "%s: failed at %d\n", __func__, __LINE__);
2862 return ret;
2863 }
2864 }
2865
2866 qlcnic_83xx_unlock_flash(adapter);
2867
2868 return 0;
2869 }
2870
qlcnic_83xx_flash_write32(struct qlcnic_adapter * adapter,u32 addr,u32 * p_data)2871 int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr,
2872 u32 *p_data)
2873 {
2874 int ret = -EIO;
2875 u32 addr1 = 0x00800000 | (addr >> 2);
2876
2877 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1);
2878 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data);
2879 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2880 QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2881 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2882 if (ret) {
2883 dev_err(&adapter->pdev->dev,
2884 "%s: failed at %d\n", __func__, __LINE__);
2885 return -EIO;
2886 }
2887
2888 return 0;
2889 }
2890
qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter * adapter,u32 addr,u32 * p_data,int count)2891 int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr,
2892 u32 *p_data, int count)
2893 {
2894 u32 temp;
2895 int ret = -EIO, err = 0;
2896
2897 if ((count < QLC_83XX_FLASH_WRITE_MIN) ||
2898 (count > QLC_83XX_FLASH_WRITE_MAX)) {
2899 dev_err(&adapter->pdev->dev,
2900 "%s: Invalid word count\n", __func__);
2901 return -EIO;
2902 }
2903
2904 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2905 if (err == -EIO)
2906 return err;
2907
2908 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL,
2909 (temp | QLC_83XX_FLASH_SPI_CTRL));
2910 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2911 QLC_83XX_FLASH_ADDR_TEMP_VAL);
2912
2913 /* First DWORD write */
2914 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2915 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2916 QLC_83XX_FLASH_FIRST_MS_PATTERN);
2917 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2918 if (ret) {
2919 dev_err(&adapter->pdev->dev,
2920 "%s: failed at %d\n", __func__, __LINE__);
2921 return -EIO;
2922 }
2923
2924 count--;
2925 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2926 QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL);
2927 /* Second to N-1 DWORD writes */
2928 while (count != 1) {
2929 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2930 *p_data++);
2931 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2932 QLC_83XX_FLASH_SECOND_MS_PATTERN);
2933 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2934 if (ret) {
2935 dev_err(&adapter->pdev->dev,
2936 "%s: failed at %d\n", __func__, __LINE__);
2937 return -EIO;
2938 }
2939 count--;
2940 }
2941
2942 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2943 QLC_83XX_FLASH_ADDR_TEMP_VAL |
2944 (addr >> 2));
2945 /* Last DWORD write */
2946 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2947 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2948 QLC_83XX_FLASH_LAST_MS_PATTERN);
2949 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2950 if (ret) {
2951 dev_err(&adapter->pdev->dev,
2952 "%s: failed at %d\n", __func__, __LINE__);
2953 return -EIO;
2954 }
2955
2956 ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err);
2957 if (err == -EIO)
2958 return err;
2959
2960 if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) {
2961 dev_err(&adapter->pdev->dev, "%s: failed at %d\n",
2962 __func__, __LINE__);
2963 /* Operation failed, clear error bit */
2964 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2965 if (err == -EIO)
2966 return err;
2967
2968 qlcnic_83xx_wrt_reg_indirect(adapter,
2969 QLC_83XX_FLASH_SPI_CONTROL,
2970 (temp | QLC_83XX_FLASH_SPI_CTRL));
2971 }
2972
2973 return 0;
2974 }
2975
qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter * adapter)2976 static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter)
2977 {
2978 u32 val, id;
2979
2980 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2981
2982 /* Check if recovery need to be performed by the calling function */
2983 if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) {
2984 val = val & ~0x3F;
2985 val = val | ((adapter->portnum << 2) |
2986 QLC_83XX_NEED_DRV_LOCK_RECOVERY);
2987 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2988 dev_info(&adapter->pdev->dev,
2989 "%s: lock recovery initiated\n", __func__);
2990 msleep(QLC_83XX_DRV_LOCK_RECOVERY_DELAY);
2991 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2992 id = ((val >> 2) & 0xF);
2993 if (id == adapter->portnum) {
2994 val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK;
2995 val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS;
2996 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2997 /* Force release the lock */
2998 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
2999 /* Clear recovery bits */
3000 val = val & ~0x3F;
3001 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
3002 dev_info(&adapter->pdev->dev,
3003 "%s: lock recovery completed\n", __func__);
3004 } else {
3005 dev_info(&adapter->pdev->dev,
3006 "%s: func %d to resume lock recovery process\n",
3007 __func__, id);
3008 }
3009 } else {
3010 dev_info(&adapter->pdev->dev,
3011 "%s: lock recovery initiated by other functions\n",
3012 __func__);
3013 }
3014 }
3015
qlcnic_83xx_lock_driver(struct qlcnic_adapter * adapter)3016 int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter)
3017 {
3018 u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0;
3019 int max_attempt = 0;
3020
3021 while (status == 0) {
3022 status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK);
3023 if (status)
3024 break;
3025
3026 msleep(QLC_83XX_DRV_LOCK_WAIT_DELAY);
3027 i++;
3028
3029 if (i == 1)
3030 temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3031
3032 if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) {
3033 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3034 if (val == temp) {
3035 id = val & 0xFF;
3036 dev_info(&adapter->pdev->dev,
3037 "%s: lock to be recovered from %d\n",
3038 __func__, id);
3039 qlcnic_83xx_recover_driver_lock(adapter);
3040 i = 0;
3041 max_attempt++;
3042 } else {
3043 dev_err(&adapter->pdev->dev,
3044 "%s: failed to get lock\n", __func__);
3045 return -EIO;
3046 }
3047 }
3048
3049 /* Force exit from while loop after few attempts */
3050 if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) {
3051 dev_err(&adapter->pdev->dev,
3052 "%s: failed to get lock\n", __func__);
3053 return -EIO;
3054 }
3055 }
3056
3057 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3058 lock_alive_counter = val >> 8;
3059 lock_alive_counter++;
3060 val = lock_alive_counter << 8 | adapter->portnum;
3061 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3062
3063 return 0;
3064 }
3065
qlcnic_83xx_unlock_driver(struct qlcnic_adapter * adapter)3066 void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter)
3067 {
3068 u32 val, lock_alive_counter, id;
3069
3070 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3071 id = val & 0xFF;
3072 lock_alive_counter = val >> 8;
3073
3074 if (id != adapter->portnum)
3075 dev_err(&adapter->pdev->dev,
3076 "%s:Warning func %d is unlocking lock owned by %d\n",
3077 __func__, adapter->portnum, id);
3078
3079 val = (lock_alive_counter << 8) | 0xFF;
3080 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3081 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
3082 }
3083
qlcnic_ms_mem_write128(struct qlcnic_adapter * adapter,u64 addr,u32 * data,u32 count)3084 int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr,
3085 u32 *data, u32 count)
3086 {
3087 int i, j, ret = 0;
3088 u32 temp;
3089
3090 /* Check alignment */
3091 if (addr & 0xF)
3092 return -EIO;
3093
3094 mutex_lock(&adapter->ahw->mem_lock);
3095 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0);
3096
3097 for (i = 0; i < count; i++, addr += 16) {
3098 if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET,
3099 QLCNIC_ADDR_QDR_NET_MAX)) ||
3100 (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET,
3101 QLCNIC_ADDR_DDR_NET_MAX)))) {
3102 mutex_unlock(&adapter->ahw->mem_lock);
3103 return -EIO;
3104 }
3105
3106 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr);
3107 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++);
3108 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++);
3109 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++);
3110 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++);
3111 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE);
3112 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START);
3113
3114 for (j = 0; j < MAX_CTL_CHECK; j++) {
3115 temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL);
3116
3117 if ((temp & TA_CTL_BUSY) == 0)
3118 break;
3119 }
3120
3121 /* Status check failure */
3122 if (j >= MAX_CTL_CHECK) {
3123 printk_ratelimited(KERN_WARNING
3124 "MS memory write failed\n");
3125 mutex_unlock(&adapter->ahw->mem_lock);
3126 return -EIO;
3127 }
3128 }
3129
3130 mutex_unlock(&adapter->ahw->mem_lock);
3131
3132 return ret;
3133 }
3134
qlcnic_83xx_flash_read32(struct qlcnic_adapter * adapter,u32 flash_addr,u8 * p_data,int count)3135 int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr,
3136 u8 *p_data, int count)
3137 {
3138 u32 word, addr = flash_addr, ret;
3139 ulong indirect_addr;
3140 int i, err = 0;
3141
3142 if (qlcnic_83xx_lock_flash(adapter) != 0)
3143 return -EIO;
3144
3145 if (addr & 0x3) {
3146 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
3147 qlcnic_83xx_unlock_flash(adapter);
3148 return -EIO;
3149 }
3150
3151 for (i = 0; i < count; i++) {
3152 if (qlcnic_83xx_wrt_reg_indirect(adapter,
3153 QLC_83XX_FLASH_DIRECT_WINDOW,
3154 (addr))) {
3155 qlcnic_83xx_unlock_flash(adapter);
3156 return -EIO;
3157 }
3158
3159 indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr);
3160 ret = QLCRD32(adapter, indirect_addr, &err);
3161 if (err == -EIO)
3162 return err;
3163
3164 word = ret;
3165 *(u32 *)p_data = word;
3166 p_data = p_data + 4;
3167 addr = addr + 4;
3168 }
3169
3170 qlcnic_83xx_unlock_flash(adapter);
3171
3172 return 0;
3173 }
3174
qlcnic_83xx_get_port_type(struct qlcnic_adapter * adapter)3175 void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter)
3176 {
3177 struct qlcnic_hardware_context *ahw = adapter->ahw;
3178 struct qlcnic_cmd_args cmd;
3179 u32 config;
3180 int err;
3181
3182 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3183 if (err)
3184 return;
3185
3186 err = qlcnic_issue_cmd(adapter, &cmd);
3187 if (err) {
3188 dev_info(&adapter->pdev->dev,
3189 "Get Link Status Command failed: 0x%x\n", err);
3190 goto out;
3191 } else {
3192 config = cmd.rsp.arg[3];
3193
3194 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3195 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3196 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3197 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3198 case QLC_83XX_MODULE_TP_1000BASE_T:
3199 ahw->port_type = QLCNIC_GBE;
3200 break;
3201 default:
3202 ahw->port_type = QLCNIC_XGBE;
3203 }
3204 }
3205 out:
3206 qlcnic_free_mbx_args(&cmd);
3207 }
3208
qlcnic_83xx_test_link(struct qlcnic_adapter * adapter)3209 int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter)
3210 {
3211 u8 pci_func;
3212 int err;
3213 u32 config = 0, state;
3214 struct qlcnic_cmd_args cmd;
3215 struct qlcnic_hardware_context *ahw = adapter->ahw;
3216
3217 if (qlcnic_sriov_vf_check(adapter))
3218 pci_func = adapter->portnum;
3219 else
3220 pci_func = ahw->pci_func;
3221
3222 state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func));
3223 if (!QLC_83xx_FUNC_VAL(state, pci_func)) {
3224 dev_info(&adapter->pdev->dev, "link state down\n");
3225 return config;
3226 }
3227
3228 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3229 if (err)
3230 return err;
3231
3232 err = qlcnic_issue_cmd(adapter, &cmd);
3233 if (err) {
3234 dev_info(&adapter->pdev->dev,
3235 "Get Link Status Command failed: 0x%x\n", err);
3236 goto out;
3237 } else {
3238 config = cmd.rsp.arg[1];
3239 switch (QLC_83XX_CURRENT_LINK_SPEED(config)) {
3240 case QLC_83XX_10M_LINK:
3241 ahw->link_speed = SPEED_10;
3242 break;
3243 case QLC_83XX_100M_LINK:
3244 ahw->link_speed = SPEED_100;
3245 break;
3246 case QLC_83XX_1G_LINK:
3247 ahw->link_speed = SPEED_1000;
3248 break;
3249 case QLC_83XX_10G_LINK:
3250 ahw->link_speed = SPEED_10000;
3251 break;
3252 default:
3253 ahw->link_speed = 0;
3254 break;
3255 }
3256 config = cmd.rsp.arg[3];
3257 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3258 case QLC_83XX_MODULE_FIBRE_10GBASE_LRM:
3259 case QLC_83XX_MODULE_FIBRE_10GBASE_LR:
3260 case QLC_83XX_MODULE_FIBRE_10GBASE_SR:
3261 ahw->supported_type = PORT_FIBRE;
3262 ahw->port_type = QLCNIC_XGBE;
3263 break;
3264 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3265 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3266 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3267 ahw->supported_type = PORT_FIBRE;
3268 ahw->port_type = QLCNIC_GBE;
3269 break;
3270 case QLC_83XX_MODULE_TP_1000BASE_T:
3271 ahw->supported_type = PORT_TP;
3272 ahw->port_type = QLCNIC_GBE;
3273 break;
3274 case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP:
3275 case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP:
3276 case QLC_83XX_MODULE_DA_10GE_LEGACY_CP:
3277 case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP:
3278 ahw->supported_type = PORT_DA;
3279 ahw->port_type = QLCNIC_XGBE;
3280 break;
3281 default:
3282 ahw->supported_type = PORT_OTHER;
3283 ahw->port_type = QLCNIC_XGBE;
3284 }
3285 if (config & 1)
3286 err = 1;
3287 }
3288 out:
3289 qlcnic_free_mbx_args(&cmd);
3290 return config;
3291 }
3292
qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter * adapter,struct ethtool_link_ksettings * ecmd)3293 int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter,
3294 struct ethtool_link_ksettings *ecmd)
3295 {
3296 struct qlcnic_hardware_context *ahw = adapter->ahw;
3297 u32 config = 0;
3298 int status = 0;
3299 u32 supported, advertising;
3300
3301 if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3302 /* Get port configuration info */
3303 status = qlcnic_83xx_get_port_info(adapter);
3304 /* Get Link Status related info */
3305 config = qlcnic_83xx_test_link(adapter);
3306 ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config);
3307 }
3308
3309 /* hard code until there is a way to get it from flash */
3310 ahw->board_type = QLCNIC_BRDTYPE_83XX_10G;
3311
3312 if (netif_running(adapter->netdev) && ahw->has_link_events) {
3313 ecmd->base.speed = ahw->link_speed;
3314 ecmd->base.duplex = ahw->link_duplex;
3315 ecmd->base.autoneg = ahw->link_autoneg;
3316 } else {
3317 ecmd->base.speed = SPEED_UNKNOWN;
3318 ecmd->base.duplex = DUPLEX_UNKNOWN;
3319 ecmd->base.autoneg = AUTONEG_DISABLE;
3320 }
3321
3322 supported = (SUPPORTED_10baseT_Full |
3323 SUPPORTED_100baseT_Full |
3324 SUPPORTED_1000baseT_Full |
3325 SUPPORTED_10000baseT_Full |
3326 SUPPORTED_Autoneg);
3327
3328 ethtool_convert_link_mode_to_legacy_u32(&advertising,
3329 ecmd->link_modes.advertising);
3330
3331 if (ecmd->base.autoneg == AUTONEG_ENABLE) {
3332 if (ahw->port_config & QLC_83XX_10_CAPABLE)
3333 advertising |= SUPPORTED_10baseT_Full;
3334 if (ahw->port_config & QLC_83XX_100_CAPABLE)
3335 advertising |= SUPPORTED_100baseT_Full;
3336 if (ahw->port_config & QLC_83XX_1G_CAPABLE)
3337 advertising |= SUPPORTED_1000baseT_Full;
3338 if (ahw->port_config & QLC_83XX_10G_CAPABLE)
3339 advertising |= SUPPORTED_10000baseT_Full;
3340 if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE)
3341 advertising |= ADVERTISED_Autoneg;
3342 } else {
3343 switch (ahw->link_speed) {
3344 case SPEED_10:
3345 advertising = SUPPORTED_10baseT_Full;
3346 break;
3347 case SPEED_100:
3348 advertising = SUPPORTED_100baseT_Full;
3349 break;
3350 case SPEED_1000:
3351 advertising = SUPPORTED_1000baseT_Full;
3352 break;
3353 case SPEED_10000:
3354 advertising = SUPPORTED_10000baseT_Full;
3355 break;
3356 default:
3357 break;
3358 }
3359
3360 }
3361
3362 switch (ahw->supported_type) {
3363 case PORT_FIBRE:
3364 supported |= SUPPORTED_FIBRE;
3365 advertising |= ADVERTISED_FIBRE;
3366 ecmd->base.port = PORT_FIBRE;
3367 break;
3368 case PORT_TP:
3369 supported |= SUPPORTED_TP;
3370 advertising |= ADVERTISED_TP;
3371 ecmd->base.port = PORT_TP;
3372 break;
3373 case PORT_DA:
3374 supported |= SUPPORTED_FIBRE;
3375 advertising |= ADVERTISED_FIBRE;
3376 ecmd->base.port = PORT_DA;
3377 break;
3378 default:
3379 supported |= SUPPORTED_FIBRE;
3380 advertising |= ADVERTISED_FIBRE;
3381 ecmd->base.port = PORT_OTHER;
3382 break;
3383 }
3384 ecmd->base.phy_address = ahw->physical_port;
3385
3386 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
3387 supported);
3388 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
3389 advertising);
3390
3391 return status;
3392 }
3393
qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter * adapter,const struct ethtool_link_ksettings * ecmd)3394 int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter,
3395 const struct ethtool_link_ksettings *ecmd)
3396 {
3397 struct qlcnic_hardware_context *ahw = adapter->ahw;
3398 u32 config = adapter->ahw->port_config;
3399 int status = 0;
3400
3401 /* 83xx devices do not support Half duplex */
3402 if (ecmd->base.duplex == DUPLEX_HALF) {
3403 netdev_info(adapter->netdev,
3404 "Half duplex mode not supported\n");
3405 return -EINVAL;
3406 }
3407
3408 if (ecmd->base.autoneg) {
3409 ahw->port_config |= QLC_83XX_AUTONEG_ENABLE;
3410 ahw->port_config |= (QLC_83XX_100_CAPABLE |
3411 QLC_83XX_1G_CAPABLE |
3412 QLC_83XX_10G_CAPABLE);
3413 } else { /* force speed */
3414 ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE;
3415 switch (ecmd->base.speed) {
3416 case SPEED_10:
3417 ahw->port_config &= ~(QLC_83XX_100_CAPABLE |
3418 QLC_83XX_1G_CAPABLE |
3419 QLC_83XX_10G_CAPABLE);
3420 ahw->port_config |= QLC_83XX_10_CAPABLE;
3421 break;
3422 case SPEED_100:
3423 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3424 QLC_83XX_1G_CAPABLE |
3425 QLC_83XX_10G_CAPABLE);
3426 ahw->port_config |= QLC_83XX_100_CAPABLE;
3427 break;
3428 case SPEED_1000:
3429 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3430 QLC_83XX_100_CAPABLE |
3431 QLC_83XX_10G_CAPABLE);
3432 ahw->port_config |= QLC_83XX_1G_CAPABLE;
3433 break;
3434 case SPEED_10000:
3435 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3436 QLC_83XX_100_CAPABLE |
3437 QLC_83XX_1G_CAPABLE);
3438 ahw->port_config |= QLC_83XX_10G_CAPABLE;
3439 break;
3440 default:
3441 return -EINVAL;
3442 }
3443 }
3444 status = qlcnic_83xx_set_port_config(adapter);
3445 if (status) {
3446 netdev_info(adapter->netdev,
3447 "Failed to Set Link Speed and autoneg.\n");
3448 ahw->port_config = config;
3449 }
3450
3451 return status;
3452 }
3453
qlcnic_83xx_copy_stats(struct qlcnic_cmd_args * cmd,u64 * data,int index)3454 static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd,
3455 u64 *data, int index)
3456 {
3457 u32 low, hi;
3458 u64 val;
3459
3460 low = cmd->rsp.arg[index];
3461 hi = cmd->rsp.arg[index + 1];
3462 val = (((u64) low) | (((u64) hi) << 32));
3463 *data++ = val;
3464 return data;
3465 }
3466
qlcnic_83xx_fill_stats(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd,u64 * data,int type,int * ret)3467 static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter,
3468 struct qlcnic_cmd_args *cmd, u64 *data,
3469 int type, int *ret)
3470 {
3471 int err, k, total_regs;
3472
3473 *ret = 0;
3474 err = qlcnic_issue_cmd(adapter, cmd);
3475 if (err != QLCNIC_RCODE_SUCCESS) {
3476 dev_info(&adapter->pdev->dev,
3477 "Error in get statistics mailbox command\n");
3478 *ret = -EIO;
3479 return data;
3480 }
3481 total_regs = cmd->rsp.num;
3482 switch (type) {
3483 case QLC_83XX_STAT_MAC:
3484 /* fill in MAC tx counters */
3485 for (k = 2; k < 28; k += 2)
3486 data = qlcnic_83xx_copy_stats(cmd, data, k);
3487 /* skip 24 bytes of reserved area */
3488 /* fill in MAC rx counters */
3489 for (k += 6; k < 60; k += 2)
3490 data = qlcnic_83xx_copy_stats(cmd, data, k);
3491 /* skip 24 bytes of reserved area */
3492 /* fill in MAC rx frame stats */
3493 for (k += 6; k < 80; k += 2)
3494 data = qlcnic_83xx_copy_stats(cmd, data, k);
3495 /* fill in eSwitch stats */
3496 for (; k < total_regs; k += 2)
3497 data = qlcnic_83xx_copy_stats(cmd, data, k);
3498 break;
3499 case QLC_83XX_STAT_RX:
3500 for (k = 2; k < 8; k += 2)
3501 data = qlcnic_83xx_copy_stats(cmd, data, k);
3502 /* skip 8 bytes of reserved data */
3503 for (k += 2; k < 24; k += 2)
3504 data = qlcnic_83xx_copy_stats(cmd, data, k);
3505 /* skip 8 bytes containing RE1FBQ error data */
3506 for (k += 2; k < total_regs; k += 2)
3507 data = qlcnic_83xx_copy_stats(cmd, data, k);
3508 break;
3509 case QLC_83XX_STAT_TX:
3510 for (k = 2; k < 10; k += 2)
3511 data = qlcnic_83xx_copy_stats(cmd, data, k);
3512 /* skip 8 bytes of reserved data */
3513 for (k += 2; k < total_regs; k += 2)
3514 data = qlcnic_83xx_copy_stats(cmd, data, k);
3515 break;
3516 default:
3517 dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n");
3518 *ret = -EIO;
3519 }
3520 return data;
3521 }
3522
qlcnic_83xx_get_stats(struct qlcnic_adapter * adapter,u64 * data)3523 void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
3524 {
3525 struct qlcnic_cmd_args cmd;
3526 struct net_device *netdev = adapter->netdev;
3527 int ret = 0;
3528
3529 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS);
3530 if (ret)
3531 return;
3532 /* Get Tx stats */
3533 cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16);
3534 cmd.rsp.num = QLC_83XX_TX_STAT_REGS;
3535 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3536 QLC_83XX_STAT_TX, &ret);
3537 if (ret) {
3538 netdev_err(netdev, "Error getting Tx stats\n");
3539 goto out;
3540 }
3541 /* Get MAC stats */
3542 cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16);
3543 cmd.rsp.num = QLC_83XX_MAC_STAT_REGS;
3544 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3545 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3546 QLC_83XX_STAT_MAC, &ret);
3547 if (ret) {
3548 netdev_err(netdev, "Error getting MAC stats\n");
3549 goto out;
3550 }
3551 /* Get Rx stats */
3552 cmd.req.arg[1] = adapter->recv_ctx->context_id << 16;
3553 cmd.rsp.num = QLC_83XX_RX_STAT_REGS;
3554 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3555 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3556 QLC_83XX_STAT_RX, &ret);
3557 if (ret)
3558 netdev_err(netdev, "Error getting Rx stats\n");
3559 out:
3560 qlcnic_free_mbx_args(&cmd);
3561 }
3562
3563 #define QLCNIC_83XX_ADD_PORT0 BIT_0
3564 #define QLCNIC_83XX_ADD_PORT1 BIT_1
3565 #define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */
qlcnic_83xx_extend_md_capab(struct qlcnic_adapter * adapter)3566 int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter)
3567 {
3568 struct qlcnic_cmd_args cmd;
3569 int err;
3570
3571 err = qlcnic_alloc_mbx_args(&cmd, adapter,
3572 QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP);
3573 if (err)
3574 return err;
3575
3576 cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1);
3577 cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3578 cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3579
3580 err = qlcnic_issue_cmd(adapter, &cmd);
3581 if (err)
3582 dev_err(&adapter->pdev->dev,
3583 "failed to issue extend iSCSI minidump capability\n");
3584
3585 return err;
3586 }
3587
qlcnic_83xx_reg_test(struct qlcnic_adapter * adapter)3588 int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter)
3589 {
3590 u32 major, minor, sub;
3591
3592 major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
3593 minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
3594 sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
3595
3596 if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) {
3597 dev_info(&adapter->pdev->dev, "%s: Reg test failed\n",
3598 __func__);
3599 return 1;
3600 }
3601 return 0;
3602 }
3603
qlcnic_83xx_get_regs_len(struct qlcnic_adapter * adapter)3604 inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter)
3605 {
3606 return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) *
3607 sizeof(*adapter->ahw->ext_reg_tbl)) +
3608 (ARRAY_SIZE(qlcnic_83xx_reg_tbl) *
3609 sizeof(*adapter->ahw->reg_tbl));
3610 }
3611
qlcnic_83xx_get_registers(struct qlcnic_adapter * adapter,u32 * regs_buff)3612 int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff)
3613 {
3614 int i, j = 0;
3615
3616 for (i = QLCNIC_DEV_INFO_SIZE + 1;
3617 j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++)
3618 regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j);
3619
3620 for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++)
3621 regs_buff[i++] = QLCRDX(adapter->ahw, j);
3622 return i;
3623 }
3624
qlcnic_83xx_interrupt_test(struct net_device * netdev)3625 int qlcnic_83xx_interrupt_test(struct net_device *netdev)
3626 {
3627 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3628 struct qlcnic_hardware_context *ahw = adapter->ahw;
3629 struct qlcnic_cmd_args cmd;
3630 u8 val, drv_sds_rings = adapter->drv_sds_rings;
3631 u8 drv_tx_rings = adapter->drv_tx_rings;
3632 u32 data;
3633 u16 intrpt_id, id;
3634 int ret;
3635
3636 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
3637 netdev_info(netdev, "Device is resetting\n");
3638 return -EBUSY;
3639 }
3640
3641 if (qlcnic_get_diag_lock(adapter)) {
3642 netdev_info(netdev, "Device in diagnostics mode\n");
3643 return -EBUSY;
3644 }
3645
3646 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST,
3647 drv_sds_rings);
3648 if (ret)
3649 goto fail_diag_irq;
3650
3651 ahw->diag_cnt = 0;
3652 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
3653 if (ret)
3654 goto fail_diag_irq;
3655
3656 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3657 intrpt_id = ahw->intr_tbl[0].id;
3658 else
3659 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
3660
3661 cmd.req.arg[1] = 1;
3662 cmd.req.arg[2] = intrpt_id;
3663 cmd.req.arg[3] = BIT_0;
3664
3665 ret = qlcnic_issue_cmd(adapter, &cmd);
3666 data = cmd.rsp.arg[2];
3667 id = LSW(data);
3668 val = LSB(MSW(data));
3669 if (id != intrpt_id)
3670 dev_info(&adapter->pdev->dev,
3671 "Interrupt generated: 0x%x, requested:0x%x\n",
3672 id, intrpt_id);
3673 if (val)
3674 dev_err(&adapter->pdev->dev,
3675 "Interrupt test error: 0x%x\n", val);
3676 if (ret)
3677 goto done;
3678
3679 msleep(20);
3680 ret = !ahw->diag_cnt;
3681
3682 done:
3683 qlcnic_free_mbx_args(&cmd);
3684 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
3685
3686 fail_diag_irq:
3687 adapter->drv_sds_rings = drv_sds_rings;
3688 adapter->drv_tx_rings = drv_tx_rings;
3689 qlcnic_release_diag_lock(adapter);
3690 return ret;
3691 }
3692
qlcnic_83xx_get_pauseparam(struct qlcnic_adapter * adapter,struct ethtool_pauseparam * pause)3693 void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter,
3694 struct ethtool_pauseparam *pause)
3695 {
3696 struct qlcnic_hardware_context *ahw = adapter->ahw;
3697 int status = 0;
3698 u32 config;
3699
3700 status = qlcnic_83xx_get_port_config(adapter);
3701 if (status) {
3702 dev_err(&adapter->pdev->dev,
3703 "%s: Get Pause Config failed\n", __func__);
3704 return;
3705 }
3706 config = ahw->port_config;
3707 if (config & QLC_83XX_CFG_STD_PAUSE) {
3708 switch (MSW(config)) {
3709 case QLC_83XX_TX_PAUSE:
3710 pause->tx_pause = 1;
3711 break;
3712 case QLC_83XX_RX_PAUSE:
3713 pause->rx_pause = 1;
3714 break;
3715 case QLC_83XX_TX_RX_PAUSE:
3716 default:
3717 /* Backward compatibility for existing
3718 * flash definitions
3719 */
3720 pause->tx_pause = 1;
3721 pause->rx_pause = 1;
3722 }
3723 }
3724
3725 if (QLC_83XX_AUTONEG(config))
3726 pause->autoneg = 1;
3727 }
3728
qlcnic_83xx_set_pauseparam(struct qlcnic_adapter * adapter,struct ethtool_pauseparam * pause)3729 int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter,
3730 struct ethtool_pauseparam *pause)
3731 {
3732 struct qlcnic_hardware_context *ahw = adapter->ahw;
3733 int status = 0;
3734 u32 config;
3735
3736 status = qlcnic_83xx_get_port_config(adapter);
3737 if (status) {
3738 dev_err(&adapter->pdev->dev,
3739 "%s: Get Pause Config failed.\n", __func__);
3740 return status;
3741 }
3742 config = ahw->port_config;
3743
3744 if (ahw->port_type == QLCNIC_GBE) {
3745 if (pause->autoneg)
3746 ahw->port_config |= QLC_83XX_ENABLE_AUTONEG;
3747 if (!pause->autoneg)
3748 ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG;
3749 } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) {
3750 return -EOPNOTSUPP;
3751 }
3752
3753 if (!(config & QLC_83XX_CFG_STD_PAUSE))
3754 ahw->port_config |= QLC_83XX_CFG_STD_PAUSE;
3755
3756 if (pause->rx_pause && pause->tx_pause) {
3757 ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE;
3758 } else if (pause->rx_pause && !pause->tx_pause) {
3759 ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE;
3760 ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE;
3761 } else if (pause->tx_pause && !pause->rx_pause) {
3762 ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE;
3763 ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE;
3764 } else if (!pause->rx_pause && !pause->tx_pause) {
3765 ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE |
3766 QLC_83XX_CFG_STD_PAUSE);
3767 }
3768 status = qlcnic_83xx_set_port_config(adapter);
3769 if (status) {
3770 dev_err(&adapter->pdev->dev,
3771 "%s: Set Pause Config failed.\n", __func__);
3772 ahw->port_config = config;
3773 }
3774 return status;
3775 }
3776
qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter * adapter)3777 static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter)
3778 {
3779 int ret, err = 0;
3780 u32 temp;
3781
3782 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
3783 QLC_83XX_FLASH_OEM_READ_SIG);
3784 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
3785 QLC_83XX_FLASH_READ_CTRL);
3786 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
3787 if (ret)
3788 return -EIO;
3789
3790 temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
3791 if (err == -EIO)
3792 return err;
3793
3794 return temp & 0xFF;
3795 }
3796
qlcnic_83xx_flash_test(struct qlcnic_adapter * adapter)3797 int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter)
3798 {
3799 int status;
3800
3801 status = qlcnic_83xx_read_flash_status_reg(adapter);
3802 if (status == -EIO) {
3803 dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n",
3804 __func__);
3805 return 1;
3806 }
3807 return 0;
3808 }
3809
qlcnic_83xx_shutdown(struct pci_dev * pdev)3810 static int qlcnic_83xx_shutdown(struct pci_dev *pdev)
3811 {
3812 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3813 struct net_device *netdev = adapter->netdev;
3814 int retval;
3815
3816 netif_device_detach(netdev);
3817 qlcnic_cancel_idc_work(adapter);
3818
3819 if (netif_running(netdev))
3820 qlcnic_down(adapter, netdev);
3821
3822 qlcnic_83xx_disable_mbx_intr(adapter);
3823 cancel_delayed_work_sync(&adapter->idc_aen_work);
3824
3825 retval = pci_save_state(pdev);
3826 if (retval)
3827 return retval;
3828
3829 return 0;
3830 }
3831
qlcnic_83xx_resume(struct qlcnic_adapter * adapter)3832 static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter)
3833 {
3834 struct qlcnic_hardware_context *ahw = adapter->ahw;
3835 struct qlc_83xx_idc *idc = &ahw->idc;
3836 int err = 0;
3837
3838 err = qlcnic_83xx_idc_init(adapter);
3839 if (err)
3840 return err;
3841
3842 if (ahw->nic_mode == QLCNIC_VNIC_MODE) {
3843 if (ahw->op_mode == QLCNIC_MGMT_FUNC) {
3844 qlcnic_83xx_set_vnic_opmode(adapter);
3845 } else {
3846 err = qlcnic_83xx_check_vnic_state(adapter);
3847 if (err)
3848 return err;
3849 }
3850 }
3851
3852 err = qlcnic_83xx_idc_reattach_driver(adapter);
3853 if (err)
3854 return err;
3855
3856 qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
3857 idc->delay);
3858 return err;
3859 }
3860
qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox * mbx)3861 void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx)
3862 {
3863 reinit_completion(&mbx->completion);
3864 set_bit(QLC_83XX_MBX_READY, &mbx->status);
3865 }
3866
qlcnic_83xx_free_mailbox(struct qlcnic_mailbox * mbx)3867 void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx)
3868 {
3869 if (!mbx)
3870 return;
3871
3872 destroy_workqueue(mbx->work_q);
3873 kfree(mbx);
3874 }
3875
3876 static inline void
qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3877 qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter,
3878 struct qlcnic_cmd_args *cmd)
3879 {
3880 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED);
3881
3882 if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) {
3883 qlcnic_free_mbx_args(cmd);
3884 kfree(cmd);
3885 return;
3886 }
3887 complete(&cmd->completion);
3888 }
3889
qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter * adapter)3890 static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
3891 {
3892 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3893 struct list_head *head = &mbx->cmd_q;
3894 struct qlcnic_cmd_args *cmd = NULL;
3895
3896 spin_lock_bh(&mbx->queue_lock);
3897
3898 while (!list_empty(head)) {
3899 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
3900 dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n",
3901 __func__, cmd->cmd_op);
3902 list_del(&cmd->list);
3903 mbx->num_cmds--;
3904 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3905 }
3906
3907 spin_unlock_bh(&mbx->queue_lock);
3908 }
3909
qlcnic_83xx_check_mbx_status(struct qlcnic_adapter * adapter)3910 static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter)
3911 {
3912 struct qlcnic_hardware_context *ahw = adapter->ahw;
3913 struct qlcnic_mailbox *mbx = ahw->mailbox;
3914 u32 host_mbx_ctrl;
3915
3916 if (!test_bit(QLC_83XX_MBX_READY, &mbx->status))
3917 return -EBUSY;
3918
3919 host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
3920 if (host_mbx_ctrl) {
3921 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3922 ahw->idc.collect_dump = 1;
3923 return -EIO;
3924 }
3925
3926 return 0;
3927 }
3928
qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter * adapter,u8 issue_cmd)3929 static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter,
3930 u8 issue_cmd)
3931 {
3932 if (issue_cmd)
3933 QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER);
3934 else
3935 QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
3936 }
3937
qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3938 static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter,
3939 struct qlcnic_cmd_args *cmd)
3940 {
3941 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3942
3943 spin_lock_bh(&mbx->queue_lock);
3944
3945 list_del(&cmd->list);
3946 mbx->num_cmds--;
3947
3948 spin_unlock_bh(&mbx->queue_lock);
3949
3950 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3951 }
3952
qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3953 static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter,
3954 struct qlcnic_cmd_args *cmd)
3955 {
3956 u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp;
3957 struct qlcnic_hardware_context *ahw = adapter->ahw;
3958 int i, j;
3959
3960 if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) {
3961 mbx_cmd = cmd->req.arg[0];
3962 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3963 for (i = 1; i < cmd->req.num; i++)
3964 writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i));
3965 } else {
3966 fw_hal_version = ahw->fw_hal_version;
3967 hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32);
3968 total_size = cmd->pay_size + hdr_size;
3969 tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16;
3970 mbx_cmd = tmp | fw_hal_version << 29;
3971 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3972
3973 /* Back channel specific operations bits */
3974 mbx_cmd = 0x1 | 1 << 4;
3975
3976 if (qlcnic_sriov_pf_check(adapter))
3977 mbx_cmd |= cmd->func_num << 5;
3978
3979 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1));
3980
3981 for (i = 2, j = 0; j < hdr_size; i++, j++)
3982 writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i));
3983 for (j = 0; j < cmd->pay_size; j++, i++)
3984 writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i));
3985 }
3986 }
3987
qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter * adapter)3988 void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter)
3989 {
3990 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3991
3992 if (!mbx)
3993 return;
3994
3995 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3996 complete(&mbx->completion);
3997 cancel_work_sync(&mbx->work);
3998 flush_workqueue(mbx->work_q);
3999 qlcnic_83xx_flush_mbx_queue(adapter);
4000 }
4001
qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd,unsigned long * timeout)4002 static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
4003 struct qlcnic_cmd_args *cmd,
4004 unsigned long *timeout)
4005 {
4006 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
4007
4008 if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) {
4009 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT);
4010 init_completion(&cmd->completion);
4011 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN;
4012
4013 spin_lock_bh(&mbx->queue_lock);
4014
4015 list_add_tail(&cmd->list, &mbx->cmd_q);
4016 mbx->num_cmds++;
4017 cmd->total_cmds = mbx->num_cmds;
4018 *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT;
4019 queue_work(mbx->work_q, &mbx->work);
4020
4021 spin_unlock_bh(&mbx->queue_lock);
4022
4023 return 0;
4024 }
4025
4026 return -EBUSY;
4027 }
4028
qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)4029 static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter,
4030 struct qlcnic_cmd_args *cmd)
4031 {
4032 u8 mac_cmd_rcode;
4033 u32 fw_data;
4034
4035 if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) {
4036 fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2));
4037 mac_cmd_rcode = (u8)fw_data;
4038 if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE ||
4039 mac_cmd_rcode == QLC_83XX_MAC_PRESENT ||
4040 mac_cmd_rcode == QLC_83XX_MAC_ABSENT) {
4041 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4042 return QLCNIC_RCODE_SUCCESS;
4043 }
4044 }
4045
4046 return -EINVAL;
4047 }
4048
qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)4049 static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter,
4050 struct qlcnic_cmd_args *cmd)
4051 {
4052 struct qlcnic_hardware_context *ahw = adapter->ahw;
4053 struct device *dev = &adapter->pdev->dev;
4054 u8 mbx_err_code;
4055 u32 fw_data;
4056
4057 fw_data = readl(QLCNIC_MBX_FW(ahw, 0));
4058 mbx_err_code = QLCNIC_MBX_STATUS(fw_data);
4059 qlcnic_83xx_get_mbx_data(adapter, cmd);
4060
4061 switch (mbx_err_code) {
4062 case QLCNIC_MBX_RSP_OK:
4063 case QLCNIC_MBX_PORT_RSP_OK:
4064 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4065 break;
4066 default:
4067 if (!qlcnic_83xx_check_mac_rcode(adapter, cmd))
4068 break;
4069
4070 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",
4071 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4072 ahw->op_mode, mbx_err_code);
4073 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED;
4074 qlcnic_dump_mbx(adapter, cmd);
4075 }
4076
4077 return;
4078 }
4079
qlcnic_dump_mailbox_registers(struct qlcnic_adapter * adapter)4080 static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
4081 {
4082 struct qlcnic_hardware_context *ahw = adapter->ahw;
4083 u32 offset;
4084
4085 offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
4086 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",
4087 readl(ahw->pci_base0 + offset),
4088 QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
4089 QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
4090 QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
4091 }
4092
qlcnic_83xx_mailbox_worker(struct work_struct * work)4093 static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
4094 {
4095 struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
4096 work);
4097 struct qlcnic_adapter *adapter = mbx->adapter;
4098 const struct qlcnic_mbx_ops *mbx_ops = mbx->ops;
4099 struct device *dev = &adapter->pdev->dev;
4100 struct list_head *head = &mbx->cmd_q;
4101 struct qlcnic_hardware_context *ahw;
4102 struct qlcnic_cmd_args *cmd = NULL;
4103 unsigned long flags;
4104
4105 ahw = adapter->ahw;
4106
4107 while (true) {
4108 if (qlcnic_83xx_check_mbx_status(adapter)) {
4109 qlcnic_83xx_flush_mbx_queue(adapter);
4110 return;
4111 }
4112
4113 spin_lock_irqsave(&mbx->aen_lock, flags);
4114 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT;
4115 spin_unlock_irqrestore(&mbx->aen_lock, flags);
4116
4117 spin_lock_bh(&mbx->queue_lock);
4118
4119 if (list_empty(head)) {
4120 spin_unlock_bh(&mbx->queue_lock);
4121 return;
4122 }
4123 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
4124
4125 spin_unlock_bh(&mbx->queue_lock);
4126
4127 mbx_ops->encode_cmd(adapter, cmd);
4128 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST);
4129
4130 if (wait_for_completion_timeout(&mbx->completion,
4131 QLC_83XX_MBX_TIMEOUT)) {
4132 mbx_ops->decode_resp(adapter, cmd);
4133 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION);
4134 } else {
4135 dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n",
4136 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4137 ahw->op_mode);
4138 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
4139 qlcnic_dump_mailbox_registers(adapter);
4140 qlcnic_83xx_get_mbx_data(adapter, cmd);
4141 qlcnic_dump_mbx(adapter, cmd);
4142 qlcnic_83xx_idc_request_reset(adapter,
4143 QLCNIC_FORCE_FW_DUMP_KEY);
4144 cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT;
4145 }
4146 mbx_ops->dequeue_cmd(adapter, cmd);
4147 }
4148 }
4149
4150 static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = {
4151 .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd,
4152 .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd,
4153 .decode_resp = qlcnic_83xx_decode_mbx_rsp,
4154 .encode_cmd = qlcnic_83xx_encode_mbx_cmd,
4155 .nofity_fw = qlcnic_83xx_signal_mbx_cmd,
4156 };
4157
qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter * adapter)4158 int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter)
4159 {
4160 struct qlcnic_hardware_context *ahw = adapter->ahw;
4161 struct qlcnic_mailbox *mbx;
4162
4163 ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL);
4164 if (!ahw->mailbox)
4165 return -ENOMEM;
4166
4167 mbx = ahw->mailbox;
4168 mbx->ops = &qlcnic_83xx_mbx_ops;
4169 mbx->adapter = adapter;
4170
4171 spin_lock_init(&mbx->queue_lock);
4172 spin_lock_init(&mbx->aen_lock);
4173 INIT_LIST_HEAD(&mbx->cmd_q);
4174 init_completion(&mbx->completion);
4175
4176 mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox");
4177 if (mbx->work_q == NULL) {
4178 kfree(mbx);
4179 return -ENOMEM;
4180 }
4181
4182 INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker);
4183 set_bit(QLC_83XX_MBX_READY, &mbx->status);
4184 return 0;
4185 }
4186
qlcnic_83xx_io_error_detected(struct pci_dev * pdev,pci_channel_state_t state)4187 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev,
4188 pci_channel_state_t state)
4189 {
4190 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4191
4192 if (state == pci_channel_io_perm_failure)
4193 return PCI_ERS_RESULT_DISCONNECT;
4194
4195 if (state == pci_channel_io_normal)
4196 return PCI_ERS_RESULT_RECOVERED;
4197
4198 set_bit(__QLCNIC_AER, &adapter->state);
4199 set_bit(__QLCNIC_RESETTING, &adapter->state);
4200
4201 qlcnic_83xx_aer_stop_poll_work(adapter);
4202
4203 pci_save_state(pdev);
4204 pci_disable_device(pdev);
4205
4206 return PCI_ERS_RESULT_NEED_RESET;
4207 }
4208
qlcnic_83xx_io_slot_reset(struct pci_dev * pdev)4209 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev)
4210 {
4211 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4212 int err = 0;
4213
4214 pdev->error_state = pci_channel_io_normal;
4215 err = pci_enable_device(pdev);
4216 if (err)
4217 goto disconnect;
4218
4219 pci_set_power_state(pdev, PCI_D0);
4220 pci_set_master(pdev);
4221 pci_restore_state(pdev);
4222
4223 err = qlcnic_83xx_aer_reset(adapter);
4224 if (err == 0)
4225 return PCI_ERS_RESULT_RECOVERED;
4226 disconnect:
4227 clear_bit(__QLCNIC_AER, &adapter->state);
4228 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4229 return PCI_ERS_RESULT_DISCONNECT;
4230 }
4231
qlcnic_83xx_io_resume(struct pci_dev * pdev)4232 static void qlcnic_83xx_io_resume(struct pci_dev *pdev)
4233 {
4234 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4235
4236 if (test_and_clear_bit(__QLCNIC_AER, &adapter->state))
4237 qlcnic_83xx_aer_start_poll_work(adapter);
4238 }
4239
