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 partiton 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 };
246
247 static struct qlcnic_nic_template qlcnic_83xx_ops = {
248 .config_bridged_mode = qlcnic_config_bridged_mode,
249 .config_led = qlcnic_config_led,
250 .request_reset = qlcnic_83xx_idc_request_reset,
251 .cancel_idc_work = qlcnic_83xx_idc_exit,
252 .napi_add = qlcnic_83xx_napi_add,
253 .napi_del = qlcnic_83xx_napi_del,
254 .config_ipaddr = qlcnic_83xx_config_ipaddr,
255 .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr,
256 .shutdown = qlcnic_83xx_shutdown,
257 .resume = qlcnic_83xx_resume,
258 };
259
qlcnic_83xx_register_map(struct qlcnic_hardware_context * ahw)260 void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw)
261 {
262 ahw->hw_ops = &qlcnic_83xx_hw_ops;
263 ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl;
264 ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl;
265 }
266
qlcnic_83xx_get_fw_version(struct qlcnic_adapter * adapter)267 int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter)
268 {
269 u32 fw_major, fw_minor, fw_build;
270 struct pci_dev *pdev = adapter->pdev;
271
272 fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
273 fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
274 fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
275 adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
276
277 dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n",
278 QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build);
279
280 return adapter->fw_version;
281 }
282
__qlcnic_set_win_base(struct qlcnic_adapter * adapter,u32 addr)283 static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr)
284 {
285 void __iomem *base;
286 u32 val;
287
288 base = adapter->ahw->pci_base0 +
289 QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func);
290 writel(addr, base);
291 val = readl(base);
292 if (val != addr)
293 return -EIO;
294
295 return 0;
296 }
297
qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter * adapter,ulong addr,int * err)298 int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr,
299 int *err)
300 {
301 struct qlcnic_hardware_context *ahw = adapter->ahw;
302
303 *err = __qlcnic_set_win_base(adapter, (u32) addr);
304 if (!*err) {
305 return QLCRDX(ahw, QLCNIC_WILDCARD);
306 } else {
307 dev_err(&adapter->pdev->dev,
308 "%s failed, addr = 0x%lx\n", __func__, addr);
309 return -EIO;
310 }
311 }
312
qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter * adapter,ulong addr,u32 data)313 int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr,
314 u32 data)
315 {
316 int err;
317 struct qlcnic_hardware_context *ahw = adapter->ahw;
318
319 err = __qlcnic_set_win_base(adapter, (u32) addr);
320 if (!err) {
321 QLCWRX(ahw, QLCNIC_WILDCARD, data);
322 return 0;
323 } else {
324 dev_err(&adapter->pdev->dev,
325 "%s failed, addr = 0x%x data = 0x%x\n",
326 __func__, (int)addr, data);
327 return err;
328 }
329 }
330
qlcnic_83xx_enable_legacy(struct qlcnic_adapter * adapter)331 static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter)
332 {
333 struct qlcnic_hardware_context *ahw = adapter->ahw;
334
335 /* MSI-X enablement failed, use legacy interrupt */
336 adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR;
337 adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK;
338 adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR;
339 adapter->msix_entries[0].vector = adapter->pdev->irq;
340 dev_info(&adapter->pdev->dev, "using legacy interrupt\n");
341 }
342
qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter * adapter)343 static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter)
344 {
345 int num_msix;
346
347 num_msix = adapter->drv_sds_rings;
348
349 /* account for AEN interrupt MSI-X based interrupts */
350 num_msix += 1;
351
352 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
353 num_msix += adapter->drv_tx_rings;
354
355 return num_msix;
356 }
357
qlcnic_83xx_setup_intr(struct qlcnic_adapter * adapter)358 int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter)
359 {
360 struct qlcnic_hardware_context *ahw = adapter->ahw;
361 int err, i, num_msix;
362
363 if (adapter->flags & QLCNIC_TSS_RSS) {
364 err = qlcnic_setup_tss_rss_intr(adapter);
365 if (err < 0)
366 return err;
367 num_msix = ahw->num_msix;
368 } else {
369 num_msix = qlcnic_83xx_calculate_msix_vector(adapter);
370
371 err = qlcnic_enable_msix(adapter, num_msix);
372 if (err == -ENOMEM)
373 return err;
374
375 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
376 num_msix = ahw->num_msix;
377 } else {
378 if (qlcnic_sriov_vf_check(adapter))
379 return -EINVAL;
380 num_msix = 1;
381 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
382 adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
383 }
384 }
385
386 /* setup interrupt mapping table for fw */
387 ahw->intr_tbl = vzalloc(num_msix *
388 sizeof(struct qlcnic_intrpt_config));
389 if (!ahw->intr_tbl)
390 return -ENOMEM;
391
392 if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
393 if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) {
394 dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n",
395 ahw->pci_func);
396 return -EOPNOTSUPP;
397 }
398
399 qlcnic_83xx_enable_legacy(adapter);
400 }
401
402 for (i = 0; i < num_msix; i++) {
403 if (adapter->flags & QLCNIC_MSIX_ENABLED)
404 ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX;
405 else
406 ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX;
407 ahw->intr_tbl[i].id = i;
408 ahw->intr_tbl[i].src = 0;
409 }
410
411 return 0;
412 }
413
qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter * adapter)414 static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter)
415 {
416 writel(0, adapter->tgt_mask_reg);
417 }
418
qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter * adapter)419 static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter)
420 {
421 if (adapter->tgt_mask_reg)
422 writel(1, adapter->tgt_mask_reg);
423 }
424
qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter * adapter)425 static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter
426 *adapter)
427 {
428 u32 mask;
429
430 /* Mailbox in MSI-x mode and Legacy Interrupt share the same
431 * source register. We could be here before contexts are created
432 * and sds_ring->crb_intr_mask has not been initialized, calculate
433 * BAR offset for Interrupt Source Register
434 */
435 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
436 writel(0, adapter->ahw->pci_base0 + mask);
437 }
438
qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter * adapter)439 void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter)
440 {
441 u32 mask;
442
443 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
444 writel(1, adapter->ahw->pci_base0 + mask);
445 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0);
446 }
447
qlcnic_83xx_get_mbx_data(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)448 static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter,
449 struct qlcnic_cmd_args *cmd)
450 {
451 int i;
452
453 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
454 return;
455
456 for (i = 0; i < cmd->rsp.num; i++)
457 cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i));
458 }
459
qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter * adapter)460 irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter)
461 {
462 u32 intr_val;
463 struct qlcnic_hardware_context *ahw = adapter->ahw;
464 int retries = 0;
465
466 intr_val = readl(adapter->tgt_status_reg);
467
468 if (!QLC_83XX_VALID_INTX_BIT31(intr_val))
469 return IRQ_NONE;
470
471 if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) {
472 adapter->stats.spurious_intr++;
473 return IRQ_NONE;
474 }
475 /* The barrier is required to ensure writes to the registers */
476 wmb();
477
478 /* clear the interrupt trigger control register */
479 writel(0, adapter->isr_int_vec);
480 intr_val = readl(adapter->isr_int_vec);
481 do {
482 intr_val = readl(adapter->tgt_status_reg);
483 if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func)
484 break;
485 retries++;
486 } while (QLC_83XX_VALID_INTX_BIT30(intr_val) &&
487 (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY));
488
489 return IRQ_HANDLED;
490 }
491
qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox * mbx)492 static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx)
493 {
494 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
495 complete(&mbx->completion);
496 }
497
qlcnic_83xx_poll_process_aen(struct qlcnic_adapter * adapter)498 static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter)
499 {
500 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
501 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
502 unsigned long flags;
503
504 spin_lock_irqsave(&mbx->aen_lock, flags);
505 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
506 if (!(resp & QLCNIC_SET_OWNER))
507 goto out;
508
509 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
510 if (event & QLCNIC_MBX_ASYNC_EVENT) {
511 __qlcnic_83xx_process_aen(adapter);
512 } else {
513 if (mbx->rsp_status != rsp_status)
514 qlcnic_83xx_notify_mbx_response(mbx);
515 }
516 out:
517 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
518 spin_unlock_irqrestore(&mbx->aen_lock, flags);
519 }
520
qlcnic_83xx_intr(int irq,void * data)521 irqreturn_t qlcnic_83xx_intr(int irq, void *data)
522 {
523 struct qlcnic_adapter *adapter = data;
524 struct qlcnic_host_sds_ring *sds_ring;
525 struct qlcnic_hardware_context *ahw = adapter->ahw;
526
527 if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE)
528 return IRQ_NONE;
529
530 qlcnic_83xx_poll_process_aen(adapter);
531
532 if (ahw->diag_test) {
533 if (ahw->diag_test == QLCNIC_INTERRUPT_TEST)
534 ahw->diag_cnt++;
535 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
536 return IRQ_HANDLED;
537 }
538
539 if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
540 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
541 } else {
542 sds_ring = &adapter->recv_ctx->sds_rings[0];
543 napi_schedule(&sds_ring->napi);
544 }
545
546 return IRQ_HANDLED;
547 }
548
qlcnic_83xx_tmp_intr(int irq,void * data)549 irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data)
550 {
551 struct qlcnic_host_sds_ring *sds_ring = data;
552 struct qlcnic_adapter *adapter = sds_ring->adapter;
553
554 if (adapter->flags & QLCNIC_MSIX_ENABLED)
555 goto done;
556
557 if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE)
558 return IRQ_NONE;
559
560 done:
561 adapter->ahw->diag_cnt++;
562 qlcnic_enable_sds_intr(adapter, sds_ring);
563
564 return IRQ_HANDLED;
565 }
566
qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter * adapter)567 void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter)
568 {
569 u32 num_msix;
570
571 if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
572 qlcnic_83xx_set_legacy_intr_mask(adapter);
573
574 qlcnic_83xx_disable_mbx_intr(adapter);
575
576 if (adapter->flags & QLCNIC_MSIX_ENABLED)
577 num_msix = adapter->ahw->num_msix - 1;
578 else
579 num_msix = 0;
580
581 msleep(20);
582
583 if (adapter->msix_entries) {
584 synchronize_irq(adapter->msix_entries[num_msix].vector);
585 free_irq(adapter->msix_entries[num_msix].vector, adapter);
586 }
587 }
588
qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter * adapter)589 int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter)
590 {
591 irq_handler_t handler;
592 u32 val;
593 int err = 0;
594 unsigned long flags = 0;
595
596 if (!(adapter->flags & QLCNIC_MSI_ENABLED) &&
597 !(adapter->flags & QLCNIC_MSIX_ENABLED))
598 flags |= IRQF_SHARED;
599
600 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
601 handler = qlcnic_83xx_handle_aen;
602 val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector;
603 err = request_irq(val, handler, flags, "qlcnic-MB", adapter);
604 if (err) {
605 dev_err(&adapter->pdev->dev,
606 "failed to register MBX interrupt\n");
607 return err;
608 }
609 } else {
610 handler = qlcnic_83xx_intr;
611 val = adapter->msix_entries[0].vector;
612 err = request_irq(val, handler, flags, "qlcnic", adapter);
613 if (err) {
614 dev_err(&adapter->pdev->dev,
615 "failed to register INTx interrupt\n");
616 return err;
617 }
618 qlcnic_83xx_clear_legacy_intr_mask(adapter);
619 }
620
621 /* Enable mailbox interrupt */
622 qlcnic_83xx_enable_mbx_interrupt(adapter);
623
624 return err;
625 }
626
qlcnic_83xx_get_func_no(struct qlcnic_adapter * adapter)627 void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter)
628 {
629 u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT);
630 adapter->ahw->pci_func = (val >> 24) & 0xff;
631 }
632
qlcnic_83xx_cam_lock(struct qlcnic_adapter * adapter)633 int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter)
634 {
635 void __iomem *addr;
636 u32 val, limit = 0;
637
638 struct qlcnic_hardware_context *ahw = adapter->ahw;
639
640 addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func);
641 do {
642 val = readl(addr);
643 if (val) {
644 /* write the function number to register */
645 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER,
646 ahw->pci_func);
647 return 0;
648 }
649 usleep_range(1000, 2000);
650 } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT);
651
652 return -EIO;
653 }
654
qlcnic_83xx_cam_unlock(struct qlcnic_adapter * adapter)655 void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter)
656 {
657 void __iomem *addr;
658 u32 val;
659 struct qlcnic_hardware_context *ahw = adapter->ahw;
660
661 addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func);
662 val = readl(addr);
663 }
664
qlcnic_83xx_read_crb(struct qlcnic_adapter * adapter,char * buf,loff_t offset,size_t size)665 void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf,
666 loff_t offset, size_t size)
667 {
668 int ret = 0;
669 u32 data;
670
671 if (qlcnic_api_lock(adapter)) {
672 dev_err(&adapter->pdev->dev,
673 "%s: failed to acquire lock. addr offset 0x%x\n",
674 __func__, (u32)offset);
675 return;
676 }
677
678 data = QLCRD32(adapter, (u32) offset, &ret);
679 qlcnic_api_unlock(adapter);
680
681 if (ret == -EIO) {
682 dev_err(&adapter->pdev->dev,
683 "%s: failed. addr offset 0x%x\n",
684 __func__, (u32)offset);
685 return;
686 }
687 memcpy(buf, &data, size);
688 }
689
qlcnic_83xx_write_crb(struct qlcnic_adapter * adapter,char * buf,loff_t offset,size_t size)690 void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf,
691 loff_t offset, size_t size)
692 {
693 u32 data;
694
695 memcpy(&data, buf, size);
696 qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data);
697 }
698
qlcnic_83xx_get_port_info(struct qlcnic_adapter * adapter)699 int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter)
700 {
701 struct qlcnic_hardware_context *ahw = adapter->ahw;
702 int status;
703
704 status = qlcnic_83xx_get_port_config(adapter);
705 if (status) {
706 dev_err(&adapter->pdev->dev,
707 "Get Port Info failed\n");
708 } else {
709
710 if (ahw->port_config & QLC_83XX_10G_CAPABLE) {
711 ahw->port_type = QLCNIC_XGBE;
712 } else if (ahw->port_config & QLC_83XX_10_CAPABLE ||
713 ahw->port_config & QLC_83XX_100_CAPABLE ||
714 ahw->port_config & QLC_83XX_1G_CAPABLE) {
715 ahw->port_type = QLCNIC_GBE;
716 } else {
717 ahw->port_type = QLCNIC_XGBE;
718 }
719
720 if (QLC_83XX_AUTONEG(ahw->port_config))
721 ahw->link_autoneg = AUTONEG_ENABLE;
722
723 }
724 return status;
725 }
726
qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter * adapter)727 static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
728 {
729 struct qlcnic_hardware_context *ahw = adapter->ahw;
730 u16 act_pci_fn = ahw->total_nic_func;
731 u16 count;
732
733 ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT;
734 if (act_pci_fn <= 2)
735 count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) /
736 act_pci_fn;
737 else
738 count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) /
739 act_pci_fn;
740 ahw->max_uc_count = count;
741 }
742
qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter * adapter)743 void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter)
744 {
745 u32 val;
746
747 if (adapter->flags & QLCNIC_MSIX_ENABLED)
748 val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8);
749 else
750 val = BIT_2;
751
752 QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val);
753 qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
754 }
755
qlcnic_83xx_check_vf(struct qlcnic_adapter * adapter,const struct pci_device_id * ent)756 void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter,
757 const struct pci_device_id *ent)
758 {
759 u32 op_mode, priv_level;
760 struct qlcnic_hardware_context *ahw = adapter->ahw;
761
762 ahw->fw_hal_version = 2;
763 qlcnic_get_func_no(adapter);
764
765 if (qlcnic_sriov_vf_check(adapter)) {
766 qlcnic_sriov_vf_set_ops(adapter);
767 return;
768 }
769
770 /* Determine function privilege level */
771 op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
772 if (op_mode == QLC_83XX_DEFAULT_OPMODE)
773 priv_level = QLCNIC_MGMT_FUNC;
774 else
775 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
776 ahw->pci_func);
777
778 if (priv_level == QLCNIC_NON_PRIV_FUNC) {
779 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
780 dev_info(&adapter->pdev->dev,
781 "HAL Version: %d Non Privileged function\n",
782 ahw->fw_hal_version);
783 adapter->nic_ops = &qlcnic_vf_ops;
784 } else {
785 if (pci_find_ext_capability(adapter->pdev,
786 PCI_EXT_CAP_ID_SRIOV))
787 set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state);
788 adapter->nic_ops = &qlcnic_83xx_ops;
789 }
790 }
791
792 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
793 u32 data[]);
794 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
795 u32 data[]);
796
qlcnic_dump_mbx(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)797 void qlcnic_dump_mbx(struct qlcnic_adapter *adapter,
798 struct qlcnic_cmd_args *cmd)
799 {
800 int i;
801
802 if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP)
803 return;
804
805 dev_info(&adapter->pdev->dev,
806 "Host MBX regs(%d)\n", cmd->req.num);
807 for (i = 0; i < cmd->req.num; i++) {
808 if (i && !(i % 8))
809 pr_info("\n");
810 pr_info("%08x ", cmd->req.arg[i]);
811 }
812 pr_info("\n");
813 dev_info(&adapter->pdev->dev,
814 "FW MBX regs(%d)\n", cmd->rsp.num);
815 for (i = 0; i < cmd->rsp.num; i++) {
816 if (i && !(i % 8))
817 pr_info("\n");
818 pr_info("%08x ", cmd->rsp.arg[i]);
819 }
820 pr_info("\n");
821 }
822
qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)823 static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter,
824 struct qlcnic_cmd_args *cmd)
825 {
826 struct qlcnic_hardware_context *ahw = adapter->ahw;
827 int opcode = LSW(cmd->req.arg[0]);
828 unsigned long max_loops;
829
830 max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP;
831
832 for (; max_loops; max_loops--) {
833 if (atomic_read(&cmd->rsp_status) ==
834 QLC_83XX_MBX_RESPONSE_ARRIVED)
835 return;
836
837 udelay(1);
838 }
839
840 dev_err(&adapter->pdev->dev,
841 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
842 __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode);
843 flush_workqueue(ahw->mailbox->work_q);
844 return;
845 }
846
qlcnic_83xx_issue_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)847 int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter,
848 struct qlcnic_cmd_args *cmd)
849 {
850 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
851 struct qlcnic_hardware_context *ahw = adapter->ahw;
852 int cmd_type, err, opcode;
853 unsigned long timeout;
854
855 if (!mbx)
856 return -EIO;
857
858 opcode = LSW(cmd->req.arg[0]);
859 cmd_type = cmd->type;
860 err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout);
861 if (err) {
862 dev_err(&adapter->pdev->dev,
863 "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n",
864 __func__, opcode, cmd->type, ahw->pci_func,
865 ahw->op_mode);
866 return err;
867 }
868
869 switch (cmd_type) {
870 case QLC_83XX_MBX_CMD_WAIT:
871 if (!wait_for_completion_timeout(&cmd->completion, timeout)) {
872 dev_err(&adapter->pdev->dev,
873 "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
874 __func__, opcode, cmd_type, ahw->pci_func,
875 ahw->op_mode);
876 flush_workqueue(mbx->work_q);
877 }
878 break;
879 case QLC_83XX_MBX_CMD_NO_WAIT:
880 return 0;
881 case QLC_83XX_MBX_CMD_BUSY_WAIT:
882 qlcnic_83xx_poll_for_mbx_completion(adapter, cmd);
883 break;
884 default:
885 dev_err(&adapter->pdev->dev,
886 "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n",
887 __func__, opcode, cmd_type, ahw->pci_func,
888 ahw->op_mode);
889 qlcnic_83xx_detach_mailbox_work(adapter);
890 }
891
892 return cmd->rsp_opcode;
893 }
894
qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args * mbx,struct qlcnic_adapter * adapter,u32 type)895 int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
896 struct qlcnic_adapter *adapter, u32 type)
897 {
898 int i, size;
899 u32 temp;
900 const struct qlcnic_mailbox_metadata *mbx_tbl;
901
902 memset(mbx, 0, sizeof(struct qlcnic_cmd_args));
903 mbx_tbl = qlcnic_83xx_mbx_tbl;
904 size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl);
905 for (i = 0; i < size; i++) {
906 if (type == mbx_tbl[i].cmd) {
907 mbx->op_type = QLC_83XX_FW_MBX_CMD;
908 mbx->req.num = mbx_tbl[i].in_args;
909 mbx->rsp.num = mbx_tbl[i].out_args;
910 mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32),
911 GFP_ATOMIC);
912 if (!mbx->req.arg)
913 return -ENOMEM;
914 mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32),
915 GFP_ATOMIC);
916 if (!mbx->rsp.arg) {
917 kfree(mbx->req.arg);
918 mbx->req.arg = NULL;
919 return -ENOMEM;
920 }
921 temp = adapter->ahw->fw_hal_version << 29;
922 mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp);
923 mbx->cmd_op = type;
924 return 0;
925 }
926 }
927
928 dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n",
929 __func__, type);
930 return -EINVAL;
931 }
932
qlcnic_83xx_idc_aen_work(struct work_struct * work)933 void qlcnic_83xx_idc_aen_work(struct work_struct *work)
934 {
935 struct qlcnic_adapter *adapter;
936 struct qlcnic_cmd_args cmd;
937 int i, err = 0;
938
939 adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work);
940 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK);
941 if (err)
942 return;
943
944 for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++)
945 cmd.req.arg[i] = adapter->ahw->mbox_aen[i];
946
947 err = qlcnic_issue_cmd(adapter, &cmd);
948 if (err)
949 dev_info(&adapter->pdev->dev,
950 "%s: Mailbox IDC ACK failed.\n", __func__);
951 qlcnic_free_mbx_args(&cmd);
952 }
953
qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter * adapter,u32 data[])954 static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter,
955 u32 data[])
956 {
957 dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n",
958 QLCNIC_MBX_RSP(data[0]));
959 clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status);
960 return;
961 }
962
__qlcnic_83xx_process_aen(struct qlcnic_adapter * adapter)963 static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
964 {
965 struct qlcnic_hardware_context *ahw = adapter->ahw;
966 u32 event[QLC_83XX_MBX_AEN_CNT];
967 int i;
968
969 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
970 event[i] = readl(QLCNIC_MBX_FW(ahw, i));
971
972 switch (QLCNIC_MBX_RSP(event[0])) {
973
974 case QLCNIC_MBX_LINK_EVENT:
975 qlcnic_83xx_handle_link_aen(adapter, event);
976 break;
977 case QLCNIC_MBX_COMP_EVENT:
978 qlcnic_83xx_handle_idc_comp_aen(adapter, event);
979 break;
980 case QLCNIC_MBX_REQUEST_EVENT:
981 for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++)
982 adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]);
983 queue_delayed_work(adapter->qlcnic_wq,
984 &adapter->idc_aen_work, 0);
985 break;
986 case QLCNIC_MBX_TIME_EXTEND_EVENT:
987 ahw->extend_lb_time = event[1] >> 8 & 0xf;
988 break;
989 case QLCNIC_MBX_BC_EVENT:
990 qlcnic_sriov_handle_bc_event(adapter, event[1]);
991 break;
992 case QLCNIC_MBX_SFP_INSERT_EVENT:
993 dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n",
994 QLCNIC_MBX_RSP(event[0]));
995 break;
996 case QLCNIC_MBX_SFP_REMOVE_EVENT:
997 dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n",
998 QLCNIC_MBX_RSP(event[0]));
999 break;
1000 case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT:
1001 qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]);
1002 break;
1003 default:
1004 dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n",
1005 QLCNIC_MBX_RSP(event[0]));
1006 break;
1007 }
1008
1009 QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
1010 }
1011
qlcnic_83xx_process_aen(struct qlcnic_adapter * adapter)1012 static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter)
1013 {
1014 u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
1015 struct qlcnic_hardware_context *ahw = adapter->ahw;
1016 struct qlcnic_mailbox *mbx = ahw->mailbox;
1017 unsigned long flags;
1018
1019 spin_lock_irqsave(&mbx->aen_lock, flags);
1020 resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL);
1021 if (resp & QLCNIC_SET_OWNER) {
1022 event = readl(QLCNIC_MBX_FW(ahw, 0));
1023 if (event & QLCNIC_MBX_ASYNC_EVENT) {
1024 __qlcnic_83xx_process_aen(adapter);
1025 } else {
1026 if (mbx->rsp_status != rsp_status)
1027 qlcnic_83xx_notify_mbx_response(mbx);
1028 }
1029 }
1030 spin_unlock_irqrestore(&mbx->aen_lock, flags);
1031 }
1032
qlcnic_83xx_mbx_poll_work(struct work_struct * work)1033 static void qlcnic_83xx_mbx_poll_work(struct work_struct *work)
1034 {
1035 struct qlcnic_adapter *adapter;
1036
1037 adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work);
1038
1039 if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1040 return;
1041
1042 qlcnic_83xx_process_aen(adapter);
1043 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work,
1044 (HZ / 10));
1045 }
1046
qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter * adapter)1047 void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter)
1048 {
1049 if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1050 return;
1051
1052 INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work);
1053 queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0);
1054 }
1055
qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter * adapter)1056 void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter)
1057 {
1058 if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state))
1059 return;
1060 cancel_delayed_work_sync(&adapter->mbx_poll_work);
1061 }
1062
qlcnic_83xx_add_rings(struct qlcnic_adapter * adapter)1063 static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter)
1064 {
1065 int index, i, err, sds_mbx_size;
1066 u32 *buf, intrpt_id, intr_mask;
1067 u16 context_id;
1068 u8 num_sds;
1069 struct qlcnic_cmd_args cmd;
1070 struct qlcnic_host_sds_ring *sds;
1071 struct qlcnic_sds_mbx sds_mbx;
1072 struct qlcnic_add_rings_mbx_out *mbx_out;
1073 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1074 struct qlcnic_hardware_context *ahw = adapter->ahw;
1075
1076 sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1077 context_id = recv_ctx->context_id;
1078 num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS;
1079 ahw->hw_ops->alloc_mbx_args(&cmd, adapter,
1080 QLCNIC_CMD_ADD_RCV_RINGS);
1081 cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16);
1082
1083 /* set up status rings, mbx 2-81 */
1084 index = 2;
1085 for (i = 8; i < adapter->drv_sds_rings; i++) {
1086 memset(&sds_mbx, 0, sds_mbx_size);
1087 sds = &recv_ctx->sds_rings[i];
1088 sds->consumer = 0;
1089 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1090 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1091 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1092 sds_mbx.sds_ring_size = sds->num_desc;
1093
1094 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1095 intrpt_id = ahw->intr_tbl[i].id;
1096 else
1097 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1098
1099 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1100 sds_mbx.intrpt_id = intrpt_id;
1101 else
1102 sds_mbx.intrpt_id = 0xffff;
1103 sds_mbx.intrpt_val = 0;
1104 buf = &cmd.req.arg[index];
1105 memcpy(buf, &sds_mbx, sds_mbx_size);
1106 index += sds_mbx_size / sizeof(u32);
1107 }
1108
1109 /* send the mailbox command */
1110 err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1111 if (err) {
1112 dev_err(&adapter->pdev->dev,
1113 "Failed to add rings %d\n", err);
1114 goto out;
1115 }
1116
1117 mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1];
1118 index = 0;
1119 /* status descriptor ring */
1120 for (i = 8; i < adapter->drv_sds_rings; i++) {
1121 sds = &recv_ctx->sds_rings[i];
1122 sds->crb_sts_consumer = ahw->pci_base0 +
1123 mbx_out->host_csmr[index];
1124 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1125 intr_mask = ahw->intr_tbl[i].src;
1126 else
1127 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1128
1129 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1130 index++;
1131 }
1132 out:
1133 qlcnic_free_mbx_args(&cmd);
1134 return err;
1135 }
1136
qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter * adapter)1137 void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter)
1138 {
1139 int err;
1140 u32 temp = 0;
1141 struct qlcnic_cmd_args cmd;
1142 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1143
1144 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1145 return;
1146
1147 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1148 cmd.req.arg[0] |= (0x3 << 29);
1149
1150 if (qlcnic_sriov_pf_check(adapter))
1151 qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp);
1152
1153 cmd.req.arg[1] = recv_ctx->context_id | temp;
1154 err = qlcnic_issue_cmd(adapter, &cmd);
1155 if (err)
1156 dev_err(&adapter->pdev->dev,
1157 "Failed to destroy rx ctx in firmware\n");
1158
1159 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
1160 qlcnic_free_mbx_args(&cmd);
1161 }
1162
qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter * adapter)1163 int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter)
1164 {
1165 int i, err, index, sds_mbx_size, rds_mbx_size;
1166 u8 num_sds, num_rds;
1167 u32 *buf, intrpt_id, intr_mask, cap = 0;
1168 struct qlcnic_host_sds_ring *sds;
1169 struct qlcnic_host_rds_ring *rds;
1170 struct qlcnic_sds_mbx sds_mbx;
1171 struct qlcnic_rds_mbx rds_mbx;
1172 struct qlcnic_cmd_args cmd;
1173 struct qlcnic_rcv_mbx_out *mbx_out;
1174 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1175 struct qlcnic_hardware_context *ahw = adapter->ahw;
1176 num_rds = adapter->max_rds_rings;
1177
1178 if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS)
1179 num_sds = adapter->drv_sds_rings;
1180 else
1181 num_sds = QLCNIC_MAX_SDS_RINGS;
1182
1183 sds_mbx_size = sizeof(struct qlcnic_sds_mbx);
1184 rds_mbx_size = sizeof(struct qlcnic_rds_mbx);
1185 cap = QLCNIC_CAP0_LEGACY_CONTEXT;
1186
1187 if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP)
1188 cap |= QLC_83XX_FW_CAP_LRO_MSS;
1189
1190 /* set mailbox hdr and capabilities */
1191 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1192 QLCNIC_CMD_CREATE_RX_CTX);
1193 if (err)
1194 return err;
1195
1196 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1197 cmd.req.arg[0] |= (0x3 << 29);
1198
1199 cmd.req.arg[1] = cap;
1200 cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) |
1201 (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16);
1202
1203 if (qlcnic_sriov_pf_check(adapter))
1204 qlcnic_pf_set_interface_id_create_rx_ctx(adapter,
1205 &cmd.req.arg[6]);
1206 /* set up status rings, mbx 8-57/87 */
1207 index = QLC_83XX_HOST_SDS_MBX_IDX;
1208 for (i = 0; i < num_sds; i++) {
1209 memset(&sds_mbx, 0, sds_mbx_size);
1210 sds = &recv_ctx->sds_rings[i];
1211 sds->consumer = 0;
1212 memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds));
1213 sds_mbx.phy_addr_low = LSD(sds->phys_addr);
1214 sds_mbx.phy_addr_high = MSD(sds->phys_addr);
1215 sds_mbx.sds_ring_size = sds->num_desc;
1216 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1217 intrpt_id = ahw->intr_tbl[i].id;
1218 else
1219 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1220 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1221 sds_mbx.intrpt_id = intrpt_id;
1222 else
1223 sds_mbx.intrpt_id = 0xffff;
1224 sds_mbx.intrpt_val = 0;
1225 buf = &cmd.req.arg[index];
1226 memcpy(buf, &sds_mbx, sds_mbx_size);
1227 index += sds_mbx_size / sizeof(u32);
1228 }
1229 /* set up receive rings, mbx 88-111/135 */
1230 index = QLCNIC_HOST_RDS_MBX_IDX;
1231 rds = &recv_ctx->rds_rings[0];
1232 rds->producer = 0;
1233 memset(&rds_mbx, 0, rds_mbx_size);
1234 rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr);
1235 rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr);
1236 rds_mbx.reg_ring_sz = rds->dma_size;
1237 rds_mbx.reg_ring_len = rds->num_desc;
1238 /* Jumbo ring */
1239 rds = &recv_ctx->rds_rings[1];
1240 rds->producer = 0;
1241 rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr);
1242 rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr);
1243 rds_mbx.jmb_ring_sz = rds->dma_size;
1244 rds_mbx.jmb_ring_len = rds->num_desc;
1245 buf = &cmd.req.arg[index];
1246 memcpy(buf, &rds_mbx, rds_mbx_size);
1247
1248 /* send the mailbox command */
1249 err = ahw->hw_ops->mbx_cmd(adapter, &cmd);
1250 if (err) {
1251 dev_err(&adapter->pdev->dev,
1252 "Failed to create Rx ctx in firmware%d\n", err);
1253 goto out;
1254 }
1255 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1];
1256 recv_ctx->context_id = mbx_out->ctx_id;
1257 recv_ctx->state = mbx_out->state;
1258 recv_ctx->virt_port = mbx_out->vport_id;
1259 dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n",
1260 recv_ctx->context_id, recv_ctx->state);
1261 /* Receive descriptor ring */
1262 /* Standard ring */
1263 rds = &recv_ctx->rds_rings[0];
1264 rds->crb_rcv_producer = ahw->pci_base0 +
1265 mbx_out->host_prod[0].reg_buf;
1266 /* Jumbo ring */
1267 rds = &recv_ctx->rds_rings[1];
1268 rds->crb_rcv_producer = ahw->pci_base0 +
1269 mbx_out->host_prod[0].jmb_buf;
1270 /* status descriptor ring */
1271 for (i = 0; i < num_sds; i++) {
1272 sds = &recv_ctx->sds_rings[i];
1273 sds->crb_sts_consumer = ahw->pci_base0 +
1274 mbx_out->host_csmr[i];
1275 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1276 intr_mask = ahw->intr_tbl[i].src;
1277 else
1278 intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
1279 sds->crb_intr_mask = ahw->pci_base0 + intr_mask;
1280 }
1281
1282 if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS)
1283 err = qlcnic_83xx_add_rings(adapter);
1284 out:
1285 qlcnic_free_mbx_args(&cmd);
1286 return err;
1287 }
1288
qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter * adapter,struct qlcnic_host_tx_ring * tx_ring)1289 void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter,
1290 struct qlcnic_host_tx_ring *tx_ring)
1291 {
1292 struct qlcnic_cmd_args cmd;
1293 u32 temp = 0;
1294
1295 if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1296 return;
1297
1298 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1299 cmd.req.arg[0] |= (0x3 << 29);
1300
1301 if (qlcnic_sriov_pf_check(adapter))
1302 qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp);
1303
1304 cmd.req.arg[1] = tx_ring->ctx_id | temp;
1305 if (qlcnic_issue_cmd(adapter, &cmd))
1306 dev_err(&adapter->pdev->dev,
1307 "Failed to destroy tx ctx in firmware\n");
1308 qlcnic_free_mbx_args(&cmd);
1309 }
1310
qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter * adapter,struct qlcnic_host_tx_ring * tx,int ring)1311 int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter,
1312 struct qlcnic_host_tx_ring *tx, int ring)
1313 {
1314 int err;
1315 u16 msix_id;
1316 u32 *buf, intr_mask, temp = 0;
1317 struct qlcnic_cmd_args cmd;
1318 struct qlcnic_tx_mbx mbx;
1319 struct qlcnic_tx_mbx_out *mbx_out;
1320 struct qlcnic_hardware_context *ahw = adapter->ahw;
1321 u32 msix_vector;
1322
1323 /* Reset host resources */
1324 tx->producer = 0;
1325 tx->sw_consumer = 0;
1326 *(tx->hw_consumer) = 0;
1327
1328 memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx));
1329
1330 /* setup mailbox inbox registerss */
1331 mbx.phys_addr_low = LSD(tx->phys_addr);
1332 mbx.phys_addr_high = MSD(tx->phys_addr);
1333 mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr);
1334 mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr);
1335 mbx.size = tx->num_desc;
1336 if (adapter->flags & QLCNIC_MSIX_ENABLED) {
1337 if (!(adapter->flags & QLCNIC_TX_INTR_SHARED))
1338 msix_vector = adapter->drv_sds_rings + ring;
1339 else
1340 msix_vector = adapter->drv_sds_rings - 1;
1341 msix_id = ahw->intr_tbl[msix_vector].id;
1342 } else {
1343 msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
1344 }
1345
1346 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
1347 mbx.intr_id = msix_id;
1348 else
1349 mbx.intr_id = 0xffff;
1350 mbx.src = 0;
1351
1352 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
1353 if (err)
1354 return err;
1355
1356 if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter))
1357 cmd.req.arg[0] |= (0x3 << 29);
1358
1359 if (qlcnic_sriov_pf_check(adapter))
1360 qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp);
1361
1362 cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT;
1363 cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp;
1364
1365 buf = &cmd.req.arg[6];
1366 memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx));
1367 /* send the mailbox command*/
1368 err = qlcnic_issue_cmd(adapter, &cmd);
1369 if (err) {
1370 netdev_err(adapter->netdev,
1371 "Failed to create Tx ctx in firmware 0x%x\n", err);
1372 goto out;
1373 }
1374 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2];
1375 tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod;
1376 tx->ctx_id = mbx_out->ctx_id;
1377 if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
1378 !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
1379 intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src;
1380 tx->crb_intr_mask = ahw->pci_base0 + intr_mask;
1381 }
1382 netdev_info(adapter->netdev,
1383 "Tx Context[0x%x] Created, state:0x%x\n",
1384 tx->ctx_id, mbx_out->state);
1385 out:
1386 qlcnic_free_mbx_args(&cmd);
1387 return err;
1388 }
1389
qlcnic_83xx_diag_alloc_res(struct net_device * netdev,int test,u8 num_sds_ring)1390 static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test,
1391 u8 num_sds_ring)
1392 {
1393 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1394 struct qlcnic_host_sds_ring *sds_ring;
1395 struct qlcnic_host_rds_ring *rds_ring;
1396 u16 adapter_state = adapter->is_up;
1397 u8 ring;
1398 int ret;
1399
1400 netif_device_detach(netdev);
1401
1402 if (netif_running(netdev))
1403 __qlcnic_down(adapter, netdev);
1404
1405 qlcnic_detach(adapter);
1406
1407 adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
1408 adapter->ahw->diag_test = test;
1409 adapter->ahw->linkup = 0;
1410
1411 ret = qlcnic_attach(adapter);
1412 if (ret) {
1413 netif_device_attach(netdev);
1414 return ret;
1415 }
1416
1417 ret = qlcnic_fw_create_ctx(adapter);
1418 if (ret) {
1419 qlcnic_detach(adapter);
1420 if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) {
1421 adapter->drv_sds_rings = num_sds_ring;
1422 qlcnic_attach(adapter);
1423 }
1424 netif_device_attach(netdev);
1425 return ret;
1426 }
1427
1428 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1429 rds_ring = &adapter->recv_ctx->rds_rings[ring];
1430 qlcnic_post_rx_buffers(adapter, rds_ring, ring);
1431 }
1432
1433 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1434 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1435 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1436 qlcnic_enable_sds_intr(adapter, sds_ring);
1437 }
1438 }
1439
1440 if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
1441 adapter->ahw->loopback_state = 0;
1442 adapter->ahw->hw_ops->setup_link_event(adapter, 1);
1443 }
1444
1445 set_bit(__QLCNIC_DEV_UP, &adapter->state);
1446 return 0;
1447 }
1448
qlcnic_83xx_diag_free_res(struct net_device * netdev,u8 drv_sds_rings)1449 static void qlcnic_83xx_diag_free_res(struct net_device *netdev,
1450 u8 drv_sds_rings)
1451 {
1452 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1453 struct qlcnic_host_sds_ring *sds_ring;
1454 int ring;
1455
1456 clear_bit(__QLCNIC_DEV_UP, &adapter->state);
1457 if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
1458 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
1459 sds_ring = &adapter->recv_ctx->sds_rings[ring];
1460 if (adapter->flags & QLCNIC_MSIX_ENABLED)
1461 qlcnic_disable_sds_intr(adapter, sds_ring);
1462 }
1463 }
1464
1465 qlcnic_fw_destroy_ctx(adapter);
1466 qlcnic_detach(adapter);
1467
1468 adapter->ahw->diag_test = 0;
1469 adapter->drv_sds_rings = drv_sds_rings;
1470
1471 if (qlcnic_attach(adapter))
1472 goto out;
1473
1474 if (netif_running(netdev))
1475 __qlcnic_up(adapter, netdev);
1476
1477 out:
1478 netif_device_attach(netdev);
1479 }
1480
qlcnic_83xx_get_beacon_state(struct qlcnic_adapter * adapter)1481 static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter)
1482 {
1483 struct qlcnic_hardware_context *ahw = adapter->ahw;
1484 struct qlcnic_cmd_args cmd;
1485 u8 beacon_state;
1486 int err = 0;
1487
1488 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG);
1489 if (!err) {
1490 err = qlcnic_issue_cmd(adapter, &cmd);
1491 if (!err) {
1492 beacon_state = cmd.rsp.arg[4];
1493 if (beacon_state == QLCNIC_BEACON_DISABLE)
1494 ahw->beacon_state = QLC_83XX_BEACON_OFF;
1495 else if (beacon_state == QLC_83XX_ENABLE_BEACON)
1496 ahw->beacon_state = QLC_83XX_BEACON_ON;
1497 }
1498 } else {
1499 netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n",
1500 err);
1501 }
1502
1503 qlcnic_free_mbx_args(&cmd);
1504
1505 return;
1506 }
1507
qlcnic_83xx_config_led(struct qlcnic_adapter * adapter,u32 state,u32 beacon)1508 int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state,
1509 u32 beacon)
1510 {
1511 struct qlcnic_cmd_args cmd;
1512 u32 mbx_in;
1513 int i, status = 0;
1514
1515 if (state) {
1516 /* Get LED configuration */
1517 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1518 QLCNIC_CMD_GET_LED_CONFIG);
1519 if (status)
1520 return status;
1521
1522 status = qlcnic_issue_cmd(adapter, &cmd);
1523 if (status) {
1524 dev_err(&adapter->pdev->dev,
1525 "Get led config failed.\n");
1526 goto mbx_err;
1527 } else {
1528 for (i = 0; i < 4; i++)
1529 adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1];
1530 }
1531 qlcnic_free_mbx_args(&cmd);
1532 /* Set LED Configuration */
1533 mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) |
1534 LSW(QLC_83XX_LED_CONFIG);
1535 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1536 QLCNIC_CMD_SET_LED_CONFIG);
1537 if (status)
1538 return status;
1539
1540 cmd.req.arg[1] = mbx_in;
1541 cmd.req.arg[2] = mbx_in;
1542 cmd.req.arg[3] = mbx_in;
1543 if (beacon)
1544 cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON;
1545 status = qlcnic_issue_cmd(adapter, &cmd);
1546 if (status) {
1547 dev_err(&adapter->pdev->dev,
1548 "Set led config failed.\n");
1549 }
1550 mbx_err:
1551 qlcnic_free_mbx_args(&cmd);
1552 return status;
1553
1554 } else {
1555 /* Restoring default LED configuration */
1556 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1557 QLCNIC_CMD_SET_LED_CONFIG);
1558 if (status)
1559 return status;
1560
1561 cmd.req.arg[1] = adapter->ahw->mbox_reg[0];
1562 cmd.req.arg[2] = adapter->ahw->mbox_reg[1];
1563 cmd.req.arg[3] = adapter->ahw->mbox_reg[2];
1564 if (beacon)
1565 cmd.req.arg[4] = adapter->ahw->mbox_reg[3];
1566 status = qlcnic_issue_cmd(adapter, &cmd);
1567 if (status)
1568 dev_err(&adapter->pdev->dev,
1569 "Restoring led config failed.\n");
1570 qlcnic_free_mbx_args(&cmd);
1571 return status;
1572 }
1573 }
1574
qlcnic_83xx_set_led(struct net_device * netdev,enum ethtool_phys_id_state state)1575 int qlcnic_83xx_set_led(struct net_device *netdev,
1576 enum ethtool_phys_id_state state)
1577 {
1578 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1579 int err = -EIO, active = 1;
1580
1581 if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1582 netdev_warn(netdev,
1583 "LED test is not supported in non-privileged mode\n");
1584 return -EOPNOTSUPP;
1585 }
1586
1587 switch (state) {
1588 case ETHTOOL_ID_ACTIVE:
1589 if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1590 return -EBUSY;
1591
1592 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1593 break;
1594
1595 err = qlcnic_83xx_config_led(adapter, active, 0);
1596 if (err)
1597 netdev_err(netdev, "Failed to set LED blink state\n");
1598 break;
1599 case ETHTOOL_ID_INACTIVE:
1600 active = 0;
1601
1602 if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1603 break;
1604
1605 err = qlcnic_83xx_config_led(adapter, active, 0);
1606 if (err)
1607 netdev_err(netdev, "Failed to reset LED blink state\n");
1608 break;
1609
1610 default:
1611 return -EINVAL;
1612 }
1613
1614 if (!active || err)
1615 clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1616
1617 return err;
1618 }
1619
qlcnic_83xx_initialize_nic(struct qlcnic_adapter * adapter,int enable)1620 void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable)
1621 {
1622 struct qlcnic_cmd_args cmd;
1623 int status;
1624
1625 if (qlcnic_sriov_vf_check(adapter))
1626 return;
1627
1628 if (enable)
1629 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1630 QLCNIC_CMD_INIT_NIC_FUNC);
1631 else
1632 status = qlcnic_alloc_mbx_args(&cmd, adapter,
1633 QLCNIC_CMD_STOP_NIC_FUNC);
1634
1635 if (status)
1636 return;
1637
1638 cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES;
1639
1640 if (adapter->dcb)
1641 cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN;
1642
1643 status = qlcnic_issue_cmd(adapter, &cmd);
1644 if (status)
1645 dev_err(&adapter->pdev->dev,
1646 "Failed to %s in NIC IDC function event.\n",
1647 (enable ? "register" : "unregister"));
1648
1649 qlcnic_free_mbx_args(&cmd);
1650 }
1651
qlcnic_83xx_set_port_config(struct qlcnic_adapter * adapter)1652 static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter)
1653 {
1654 struct qlcnic_cmd_args cmd;
1655 int err;
1656
1657 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG);
1658 if (err)
1659 return err;
1660
1661 cmd.req.arg[1] = adapter->ahw->port_config;
1662 err = qlcnic_issue_cmd(adapter, &cmd);
1663 if (err)
1664 dev_info(&adapter->pdev->dev, "Set Port Config failed.\n");
1665 qlcnic_free_mbx_args(&cmd);
1666 return err;
1667 }
1668
qlcnic_83xx_get_port_config(struct qlcnic_adapter * adapter)1669 static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter)
1670 {
1671 struct qlcnic_cmd_args cmd;
1672 int err;
1673
1674 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG);
1675 if (err)
1676 return err;
1677
1678 err = qlcnic_issue_cmd(adapter, &cmd);
1679 if (err)
1680 dev_info(&adapter->pdev->dev, "Get Port config failed\n");
1681 else
1682 adapter->ahw->port_config = cmd.rsp.arg[1];
1683 qlcnic_free_mbx_args(&cmd);
1684 return err;
1685 }
1686
qlcnic_83xx_setup_link_event(struct qlcnic_adapter * adapter,int enable)1687 int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable)
1688 {
1689 int err;
1690 u32 temp;
1691 struct qlcnic_cmd_args cmd;
1692
1693 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT);
1694 if (err)
1695 return err;
1696
1697 temp = adapter->recv_ctx->context_id << 16;
1698 cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp;
1699 err = qlcnic_issue_cmd(adapter, &cmd);
1700 if (err)
1701 dev_info(&adapter->pdev->dev,
1702 "Setup linkevent mailbox failed\n");
1703 qlcnic_free_mbx_args(&cmd);
1704 return err;
1705 }
1706
qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter * adapter,u32 * interface_id)1707 static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1708 u32 *interface_id)
1709 {
1710 if (qlcnic_sriov_pf_check(adapter)) {
1711 qlcnic_alloc_lb_filters_mem(adapter);
1712 qlcnic_pf_set_interface_id_promisc(adapter, interface_id);
1713 adapter->rx_mac_learn = true;
1714 } else {
1715 if (!qlcnic_sriov_vf_check(adapter))
1716 *interface_id = adapter->recv_ctx->context_id << 16;
1717 }
1718 }
1719
qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter * adapter,u32 mode)1720 int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
1721 {
1722 struct qlcnic_cmd_args *cmd = NULL;
1723 u32 temp = 0;
1724 int err;
1725
1726 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
1727 return -EIO;
1728
1729 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
1730 if (!cmd)
1731 return -ENOMEM;
1732
1733 err = qlcnic_alloc_mbx_args(cmd, adapter,
1734 QLCNIC_CMD_CONFIGURE_MAC_RX_MODE);
1735 if (err)
1736 goto out;
1737
1738 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
1739 qlcnic_83xx_set_interface_id_promisc(adapter, &temp);
1740
1741 if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter))
1742 mode = VPORT_MISS_MODE_ACCEPT_ALL;
1743
1744 cmd->req.arg[1] = mode | temp;
1745 err = qlcnic_issue_cmd(adapter, cmd);
1746 if (!err)
1747 return err;
1748
1749 qlcnic_free_mbx_args(cmd);
1750
1751 out:
1752 kfree(cmd);
1753 return err;
1754 }
1755
qlcnic_83xx_loopback_test(struct net_device * netdev,u8 mode)1756 int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
1757 {
1758 struct qlcnic_adapter *adapter = netdev_priv(netdev);
1759 struct qlcnic_hardware_context *ahw = adapter->ahw;
1760 u8 drv_sds_rings = adapter->drv_sds_rings;
1761 u8 drv_tx_rings = adapter->drv_tx_rings;
1762 int ret = 0, loop = 0;
1763
1764 if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1765 netdev_warn(netdev,
1766 "Loopback test not supported in non privileged mode\n");
1767 return -ENOTSUPP;
1768 }
1769
1770 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1771 netdev_info(netdev, "Device is resetting\n");
1772 return -EBUSY;
1773 }
1774
1775 if (qlcnic_get_diag_lock(adapter)) {
1776 netdev_info(netdev, "Device is in diagnostics mode\n");
1777 return -EBUSY;
1778 }
1779
1780 netdev_info(netdev, "%s loopback test in progress\n",
1781 mode == QLCNIC_ILB_MODE ? "internal" : "external");
1782
1783 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST,
1784 drv_sds_rings);
1785 if (ret)
1786 goto fail_diag_alloc;
1787
1788 ret = qlcnic_83xx_set_lb_mode(adapter, mode);
1789 if (ret)
1790 goto free_diag_res;
1791
1792 /* Poll for link up event before running traffic */
1793 do {
1794 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1795
1796 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1797 netdev_info(netdev,
1798 "Device is resetting, free LB test resources\n");
1799 ret = -EBUSY;
1800 goto free_diag_res;
1801 }
1802 if (loop++ > QLC_83XX_LB_WAIT_COUNT) {
1803 netdev_info(netdev,
1804 "Firmware didn't sent link up event to loopback request\n");
1805 ret = -ETIMEDOUT;
1806 qlcnic_83xx_clear_lb_mode(adapter, mode);
1807 goto free_diag_res;
1808 }
1809 } while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
1810
1811 ret = qlcnic_do_lb_test(adapter, mode);
1812
1813 qlcnic_83xx_clear_lb_mode(adapter, mode);
1814
1815 free_diag_res:
1816 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
1817
1818 fail_diag_alloc:
1819 adapter->drv_sds_rings = drv_sds_rings;
1820 adapter->drv_tx_rings = drv_tx_rings;
1821 qlcnic_release_diag_lock(adapter);
1822 return ret;
1823 }
1824
qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter * adapter,u32 * max_wait_count)1825 static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter,
1826 u32 *max_wait_count)
1827 {
1828 struct qlcnic_hardware_context *ahw = adapter->ahw;
1829 int temp;
1830
1831 netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n",
1832 ahw->extend_lb_time);
1833 temp = ahw->extend_lb_time * 1000;
1834 *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT;
1835 ahw->extend_lb_time = 0;
1836 }
1837
qlcnic_83xx_set_lb_mode(struct qlcnic_adapter * adapter,u8 mode)1838 static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1839 {
1840 struct qlcnic_hardware_context *ahw = adapter->ahw;
1841 struct net_device *netdev = adapter->netdev;
1842 u32 config, max_wait_count;
1843 int status = 0, loop = 0;
1844
1845 ahw->extend_lb_time = 0;
1846 max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1847 status = qlcnic_83xx_get_port_config(adapter);
1848 if (status)
1849 return status;
1850
1851 config = ahw->port_config;
1852
1853 /* Check if port is already in loopback mode */
1854 if ((config & QLC_83XX_CFG_LOOPBACK_HSS) ||
1855 (config & QLC_83XX_CFG_LOOPBACK_EXT)) {
1856 netdev_err(netdev,
1857 "Port already in Loopback mode.\n");
1858 return -EINPROGRESS;
1859 }
1860
1861 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1862
1863 if (mode == QLCNIC_ILB_MODE)
1864 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS;
1865 if (mode == QLCNIC_ELB_MODE)
1866 ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT;
1867
1868 status = qlcnic_83xx_set_port_config(adapter);
1869 if (status) {
1870 netdev_err(netdev,
1871 "Failed to Set Loopback Mode = 0x%x.\n",
1872 ahw->port_config);
1873 ahw->port_config = config;
1874 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1875 return status;
1876 }
1877
1878 /* Wait for Link and IDC Completion AEN */
1879 do {
1880 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1881
1882 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1883 netdev_info(netdev,
1884 "Device is resetting, free LB test resources\n");
1885 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1886 return -EBUSY;
1887 }
1888
1889 if (ahw->extend_lb_time)
1890 qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1891 &max_wait_count);
1892
1893 if (loop++ > max_wait_count) {
1894 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1895 __func__);
1896 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1897 qlcnic_83xx_clear_lb_mode(adapter, mode);
1898 return -ETIMEDOUT;
1899 }
1900 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1901
1902 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1903 QLCNIC_MAC_ADD);
1904 return status;
1905 }
1906
qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter * adapter,u8 mode)1907 static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
1908 {
1909 struct qlcnic_hardware_context *ahw = adapter->ahw;
1910 u32 config = ahw->port_config, max_wait_count;
1911 struct net_device *netdev = adapter->netdev;
1912 int status = 0, loop = 0;
1913
1914 ahw->extend_lb_time = 0;
1915 max_wait_count = QLC_83XX_LB_WAIT_COUNT;
1916 set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1917 if (mode == QLCNIC_ILB_MODE)
1918 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS;
1919 if (mode == QLCNIC_ELB_MODE)
1920 ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT;
1921
1922 status = qlcnic_83xx_set_port_config(adapter);
1923 if (status) {
1924 netdev_err(netdev,
1925 "Failed to Clear Loopback Mode = 0x%x.\n",
1926 ahw->port_config);
1927 ahw->port_config = config;
1928 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1929 return status;
1930 }
1931
1932 /* Wait for Link and IDC Completion AEN */
1933 do {
1934 msleep(QLC_83XX_LB_MSLEEP_COUNT);
1935
1936 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
1937 netdev_info(netdev,
1938 "Device is resetting, free LB test resources\n");
1939 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1940 return -EBUSY;
1941 }
1942
1943 if (ahw->extend_lb_time)
1944 qlcnic_extend_lb_idc_cmpltn_wait(adapter,
1945 &max_wait_count);
1946
1947 if (loop++ > max_wait_count) {
1948 netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n",
1949 __func__);
1950 clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status);
1951 return -ETIMEDOUT;
1952 }
1953 } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status));
1954
1955 qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0,
1956 QLCNIC_MAC_DEL);
1957 return status;
1958 }
1959
qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter * adapter,u32 * interface_id)1960 static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1961 u32 *interface_id)
1962 {
1963 if (qlcnic_sriov_pf_check(adapter)) {
1964 qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id);
1965 } else {
1966 if (!qlcnic_sriov_vf_check(adapter))
1967 *interface_id = adapter->recv_ctx->context_id << 16;
1968 }
1969 }
1970
qlcnic_83xx_config_ipaddr(struct qlcnic_adapter * adapter,__be32 ip,int mode)1971 void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip,
1972 int mode)
1973 {
1974 int err;
1975 u32 temp = 0, temp_ip;
1976 struct qlcnic_cmd_args cmd;
1977
1978 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1979 QLCNIC_CMD_CONFIGURE_IP_ADDR);
1980 if (err)
1981 return;
1982
1983 qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp);
1984
1985 if (mode == QLCNIC_IP_UP)
1986 cmd.req.arg[1] = 1 | temp;
1987 else
1988 cmd.req.arg[1] = 2 | temp;
1989
1990 /*
1991 * Adapter needs IP address in network byte order.
1992 * But hardware mailbox registers go through writel(), hence IP address
1993 * gets swapped on big endian architecture.
1994 * To negate swapping of writel() on big endian architecture
1995 * use swab32(value).
1996 */
1997
1998 temp_ip = swab32(ntohl(ip));
1999 memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32));
2000 err = qlcnic_issue_cmd(adapter, &cmd);
2001 if (err != QLCNIC_RCODE_SUCCESS)
2002 dev_err(&adapter->netdev->dev,
2003 "could not notify %s IP 0x%x request\n",
2004 (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip);
2005
2006 qlcnic_free_mbx_args(&cmd);
2007 }
2008
qlcnic_83xx_config_hw_lro(struct qlcnic_adapter * adapter,int mode)2009 int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode)
2010 {
2011 int err;
2012 u32 temp, arg1;
2013 struct qlcnic_cmd_args cmd;
2014 int lro_bit_mask;
2015
2016 lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0);
2017
2018 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2019 return 0;
2020
2021 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO);
2022 if (err)
2023 return err;
2024
2025 temp = adapter->recv_ctx->context_id << 16;
2026 arg1 = lro_bit_mask | temp;
2027 cmd.req.arg[1] = arg1;
2028
2029 err = qlcnic_issue_cmd(adapter, &cmd);
2030 if (err)
2031 dev_info(&adapter->pdev->dev, "LRO config failed\n");
2032 qlcnic_free_mbx_args(&cmd);
2033
2034 return err;
2035 }
2036
qlcnic_83xx_config_rss(struct qlcnic_adapter * adapter,int enable)2037 int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable)
2038 {
2039 int err;
2040 u32 word;
2041 struct qlcnic_cmd_args cmd;
2042 const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL,
2043 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL,
2044 0x255b0ec26d5a56daULL };
2045
2046 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS);
2047 if (err)
2048 return err;
2049 /*
2050 * RSS request:
2051 * bits 3-0: Rsvd
2052 * 5-4: hash_type_ipv4
2053 * 7-6: hash_type_ipv6
2054 * 8: enable
2055 * 9: use indirection table
2056 * 16-31: indirection table mask
2057 */
2058 word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
2059 ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
2060 ((u32)(enable & 0x1) << 8) |
2061 ((0x7ULL) << 16);
2062 cmd.req.arg[1] = (adapter->recv_ctx->context_id);
2063 cmd.req.arg[2] = word;
2064 memcpy(&cmd.req.arg[4], key, sizeof(key));
2065
2066 err = qlcnic_issue_cmd(adapter, &cmd);
2067
2068 if (err)
2069 dev_info(&adapter->pdev->dev, "RSS config failed\n");
2070 qlcnic_free_mbx_args(&cmd);
2071
2072 return err;
2073
2074 }
2075
qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter * adapter,u32 * interface_id)2076 static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
2077 u32 *interface_id)
2078 {
2079 if (qlcnic_sriov_pf_check(adapter)) {
2080 qlcnic_pf_set_interface_id_macaddr(adapter, interface_id);
2081 } else {
2082 if (!qlcnic_sriov_vf_check(adapter))
2083 *interface_id = adapter->recv_ctx->context_id << 16;
2084 }
2085 }
2086
qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter * adapter,u8 * addr,u16 vlan_id,u8 op)2087 int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
2088 u16 vlan_id, u8 op)
2089 {
2090 struct qlcnic_cmd_args *cmd = NULL;
2091 struct qlcnic_macvlan_mbx mv;
2092 u32 *buf, temp = 0;
2093 int err;
2094
2095 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2096 return -EIO;
2097
2098 cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
2099 if (!cmd)
2100 return -ENOMEM;
2101
2102 err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN);
2103 if (err)
2104 goto out;
2105
2106 cmd->type = QLC_83XX_MBX_CMD_NO_WAIT;
2107
2108 if (vlan_id)
2109 op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
2110 QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
2111
2112 cmd->req.arg[1] = op | (1 << 8);
2113 qlcnic_83xx_set_interface_id_macaddr(adapter, &temp);
2114 cmd->req.arg[1] |= temp;
2115 mv.vlan = vlan_id;
2116 mv.mac_addr0 = addr[0];
2117 mv.mac_addr1 = addr[1];
2118 mv.mac_addr2 = addr[2];
2119 mv.mac_addr3 = addr[3];
2120 mv.mac_addr4 = addr[4];
2121 mv.mac_addr5 = addr[5];
2122 buf = &cmd->req.arg[2];
2123 memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
2124 err = qlcnic_issue_cmd(adapter, cmd);
2125 if (!err)
2126 return err;
2127
2128 qlcnic_free_mbx_args(cmd);
2129 out:
2130 kfree(cmd);
2131 return err;
2132 }
2133
qlcnic_83xx_change_l2_filter(struct qlcnic_adapter * adapter,u64 * addr,u16 vlan_id)2134 void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr,
2135 u16 vlan_id)
2136 {
2137 u8 mac[ETH_ALEN];
2138 memcpy(&mac, addr, ETH_ALEN);
2139 qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD);
2140 }
2141
qlcnic_83xx_configure_mac(struct qlcnic_adapter * adapter,u8 * mac,u8 type,struct qlcnic_cmd_args * cmd)2142 static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac,
2143 u8 type, struct qlcnic_cmd_args *cmd)
2144 {
2145 switch (type) {
2146 case QLCNIC_SET_STATION_MAC:
2147 case QLCNIC_SET_FAC_DEF_MAC:
2148 memcpy(&cmd->req.arg[2], mac, sizeof(u32));
2149 memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16));
2150 break;
2151 }
2152 cmd->req.arg[1] = type;
2153 }
2154
qlcnic_83xx_get_mac_address(struct qlcnic_adapter * adapter,u8 * mac,u8 function)2155 int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
2156 u8 function)
2157 {
2158 int err, i;
2159 struct qlcnic_cmd_args cmd;
2160 u32 mac_low, mac_high;
2161
2162 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
2163 if (err)
2164 return err;
2165
2166 qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd);
2167 err = qlcnic_issue_cmd(adapter, &cmd);
2168
2169 if (err == QLCNIC_RCODE_SUCCESS) {
2170 mac_low = cmd.rsp.arg[1];
2171 mac_high = cmd.rsp.arg[2];
2172
2173 for (i = 0; i < 2; i++)
2174 mac[i] = (u8) (mac_high >> ((1 - i) * 8));
2175 for (i = 2; i < 6; i++)
2176 mac[i] = (u8) (mac_low >> ((5 - i) * 8));
2177 } else {
2178 dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n",
2179 err);
2180 err = -EIO;
2181 }
2182 qlcnic_free_mbx_args(&cmd);
2183 return err;
2184 }
2185
qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter * adapter)2186 static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter)
2187 {
2188 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2189 struct qlcnic_cmd_args cmd;
2190 u16 temp;
2191 int err;
2192
2193 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2194 if (err)
2195 return err;
2196
2197 temp = adapter->recv_ctx->context_id;
2198 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16;
2199 temp = coal->rx_time_us;
2200 cmd.req.arg[2] = coal->rx_packets | temp << 16;
2201 cmd.req.arg[3] = coal->flag;
2202
2203 err = qlcnic_issue_cmd(adapter, &cmd);
2204 if (err != QLCNIC_RCODE_SUCCESS)
2205 netdev_err(adapter->netdev,
2206 "failed to set interrupt coalescing parameters\n");
2207
2208 qlcnic_free_mbx_args(&cmd);
2209
2210 return err;
2211 }
2212
qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter * adapter)2213 static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter)
2214 {
2215 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2216 struct qlcnic_cmd_args cmd;
2217 u16 temp;
2218 int err;
2219
2220 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL);
2221 if (err)
2222 return err;
2223
2224 temp = adapter->tx_ring->ctx_id;
2225 cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16;
2226 temp = coal->tx_time_us;
2227 cmd.req.arg[2] = coal->tx_packets | temp << 16;
2228 cmd.req.arg[3] = coal->flag;
2229
2230 err = qlcnic_issue_cmd(adapter, &cmd);
2231 if (err != QLCNIC_RCODE_SUCCESS)
2232 netdev_err(adapter->netdev,
2233 "failed to set interrupt coalescing parameters\n");
2234
2235 qlcnic_free_mbx_args(&cmd);
2236
2237 return err;
2238 }
2239
qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter * adapter)2240 int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter)
2241 {
2242 int err = 0;
2243
2244 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2245 if (err)
2246 netdev_err(adapter->netdev,
2247 "failed to set Rx coalescing parameters\n");
2248
2249 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2250 if (err)
2251 netdev_err(adapter->netdev,
2252 "failed to set Tx coalescing parameters\n");
2253
2254 return err;
2255 }
2256
qlcnic_83xx_config_intr_coal(struct qlcnic_adapter * adapter,struct ethtool_coalesce * ethcoal)2257 int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter,
2258 struct ethtool_coalesce *ethcoal)
2259 {
2260 struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
2261 u32 rx_coalesce_usecs, rx_max_frames;
2262 u32 tx_coalesce_usecs, tx_max_frames;
2263 int err;
2264
2265 if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED)
2266 return -EIO;
2267
2268 tx_coalesce_usecs = ethcoal->tx_coalesce_usecs;
2269 tx_max_frames = ethcoal->tx_max_coalesced_frames;
2270 rx_coalesce_usecs = ethcoal->rx_coalesce_usecs;
2271 rx_max_frames = ethcoal->rx_max_coalesced_frames;
2272 coal->flag = QLCNIC_INTR_DEFAULT;
2273
2274 if ((coal->rx_time_us == rx_coalesce_usecs) &&
2275 (coal->rx_packets == rx_max_frames)) {
2276 coal->type = QLCNIC_INTR_COAL_TYPE_TX;
2277 coal->tx_time_us = tx_coalesce_usecs;
2278 coal->tx_packets = tx_max_frames;
2279 } else if ((coal->tx_time_us == tx_coalesce_usecs) &&
2280 (coal->tx_packets == tx_max_frames)) {
2281 coal->type = QLCNIC_INTR_COAL_TYPE_RX;
2282 coal->rx_time_us = rx_coalesce_usecs;
2283 coal->rx_packets = rx_max_frames;
2284 } else {
2285 coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX;
2286 coal->rx_time_us = rx_coalesce_usecs;
2287 coal->rx_packets = rx_max_frames;
2288 coal->tx_time_us = tx_coalesce_usecs;
2289 coal->tx_packets = tx_max_frames;
2290 }
2291
2292 switch (coal->type) {
2293 case QLCNIC_INTR_COAL_TYPE_RX:
2294 err = qlcnic_83xx_set_rx_intr_coal(adapter);
2295 break;
2296 case QLCNIC_INTR_COAL_TYPE_TX:
2297 err = qlcnic_83xx_set_tx_intr_coal(adapter);
2298 break;
2299 case QLCNIC_INTR_COAL_TYPE_RX_TX:
2300 err = qlcnic_83xx_set_rx_tx_intr_coal(adapter);
2301 break;
2302 default:
2303 err = -EINVAL;
2304 netdev_err(adapter->netdev,
2305 "Invalid Interrupt coalescing type\n");
2306 break;
2307 }
2308
2309 return err;
2310 }
2311
qlcnic_83xx_handle_link_aen(struct qlcnic_adapter * adapter,u32 data[])2312 static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
2313 u32 data[])
2314 {
2315 struct qlcnic_hardware_context *ahw = adapter->ahw;
2316 u8 link_status, duplex;
2317 /* link speed */
2318 link_status = LSB(data[3]) & 1;
2319 if (link_status) {
2320 ahw->link_speed = MSW(data[2]);
2321 duplex = LSB(MSW(data[3]));
2322 if (duplex)
2323 ahw->link_duplex = DUPLEX_FULL;
2324 else
2325 ahw->link_duplex = DUPLEX_HALF;
2326 } else {
2327 ahw->link_speed = SPEED_UNKNOWN;
2328 ahw->link_duplex = DUPLEX_UNKNOWN;
2329 }
2330
2331 ahw->link_autoneg = MSB(MSW(data[3]));
2332 ahw->module_type = MSB(LSW(data[3]));
2333 ahw->has_link_events = 1;
2334 ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK;
2335 qlcnic_advert_link_change(adapter, link_status);
2336 }
2337
qlcnic_83xx_handle_aen(int irq,void * data)2338 static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data)
2339 {
2340 u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED;
2341 struct qlcnic_adapter *adapter = data;
2342 struct qlcnic_mailbox *mbx;
2343 unsigned long flags;
2344
2345 mbx = adapter->ahw->mailbox;
2346 spin_lock_irqsave(&mbx->aen_lock, flags);
2347 resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL);
2348 if (!(resp & QLCNIC_SET_OWNER))
2349 goto out;
2350
2351 event = readl(QLCNIC_MBX_FW(adapter->ahw, 0));
2352 if (event & QLCNIC_MBX_ASYNC_EVENT) {
2353 __qlcnic_83xx_process_aen(adapter);
2354 } else {
2355 if (mbx->rsp_status != rsp_status)
2356 qlcnic_83xx_notify_mbx_response(mbx);
2357 else
2358 adapter->stats.mbx_spurious_intr++;
2359 }
2360
2361 out:
2362 mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK);
2363 writel(0, adapter->ahw->pci_base0 + mask);
2364 spin_unlock_irqrestore(&mbx->aen_lock, flags);
2365 return IRQ_HANDLED;
2366 }
2367
qlcnic_83xx_set_nic_info(struct qlcnic_adapter * adapter,struct qlcnic_info * nic)2368 int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter,
2369 struct qlcnic_info *nic)
2370 {
2371 int i, err = -EIO;
2372 struct qlcnic_cmd_args cmd;
2373
2374 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
2375 dev_err(&adapter->pdev->dev,
2376 "%s: Error, invoked by non management func\n",
2377 __func__);
2378 return err;
2379 }
2380
2381 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
2382 if (err)
2383 return err;
2384
2385 cmd.req.arg[1] = (nic->pci_func << 16);
2386 cmd.req.arg[2] = 0x1 << 16;
2387 cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16);
2388 cmd.req.arg[4] = nic->capabilities;
2389 cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16);
2390 cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16);
2391 cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16);
2392 for (i = 8; i < 32; i++)
2393 cmd.req.arg[i] = 0;
2394
2395 err = qlcnic_issue_cmd(adapter, &cmd);
2396
2397 if (err != QLCNIC_RCODE_SUCCESS) {
2398 dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n",
2399 err);
2400 err = -EIO;
2401 }
2402
2403 qlcnic_free_mbx_args(&cmd);
2404
2405 return err;
2406 }
2407
qlcnic_83xx_get_nic_info(struct qlcnic_adapter * adapter,struct qlcnic_info * npar_info,u8 func_id)2408 int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter,
2409 struct qlcnic_info *npar_info, u8 func_id)
2410 {
2411 int err;
2412 u32 temp;
2413 u8 op = 0;
2414 struct qlcnic_cmd_args cmd;
2415 struct qlcnic_hardware_context *ahw = adapter->ahw;
2416
2417 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
2418 if (err)
2419 return err;
2420
2421 if (func_id != ahw->pci_func) {
2422 temp = func_id << 16;
2423 cmd.req.arg[1] = op | BIT_31 | temp;
2424 } else {
2425 cmd.req.arg[1] = ahw->pci_func << 16;
2426 }
2427 err = qlcnic_issue_cmd(adapter, &cmd);
2428 if (err) {
2429 dev_info(&adapter->pdev->dev,
2430 "Failed to get nic info %d\n", err);
2431 goto out;
2432 }
2433
2434 npar_info->op_type = cmd.rsp.arg[1];
2435 npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF;
2436 npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16;
2437 npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF;
2438 npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16;
2439 npar_info->capabilities = cmd.rsp.arg[4];
2440 npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF;
2441 npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16;
2442 npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF;
2443 npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16;
2444 npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF;
2445 npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16;
2446 if (cmd.rsp.arg[8] & 0x1)
2447 npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1;
2448 if (cmd.rsp.arg[8] & 0x10000) {
2449 temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17;
2450 npar_info->max_linkspeed_reg_offset = temp;
2451 }
2452
2453 memcpy(ahw->extra_capability, &cmd.rsp.arg[16],
2454 sizeof(ahw->extra_capability));
2455
2456 out:
2457 qlcnic_free_mbx_args(&cmd);
2458 return err;
2459 }
2460
qlcnic_get_pci_func_type(struct qlcnic_adapter * adapter,u16 type,u16 * nic,u16 * fcoe,u16 * iscsi)2461 int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type,
2462 u16 *nic, u16 *fcoe, u16 *iscsi)
2463 {
2464 struct device *dev = &adapter->pdev->dev;
2465 int err = 0;
2466
2467 switch (type) {
2468 case QLCNIC_TYPE_NIC:
2469 (*nic)++;
2470 break;
2471 case QLCNIC_TYPE_FCOE:
2472 (*fcoe)++;
2473 break;
2474 case QLCNIC_TYPE_ISCSI:
2475 (*iscsi)++;
2476 break;
2477 default:
2478 dev_err(dev, "%s: Unknown PCI type[%x]\n",
2479 __func__, type);
2480 err = -EIO;
2481 }
2482
2483 return err;
2484 }
2485
qlcnic_83xx_get_pci_info(struct qlcnic_adapter * adapter,struct qlcnic_pci_info * pci_info)2486 int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter,
2487 struct qlcnic_pci_info *pci_info)
2488 {
2489 struct qlcnic_hardware_context *ahw = adapter->ahw;
2490 struct device *dev = &adapter->pdev->dev;
2491 u16 nic = 0, fcoe = 0, iscsi = 0;
2492 struct qlcnic_cmd_args cmd;
2493 int i, err = 0, j = 0;
2494 u32 temp;
2495
2496 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
2497 if (err)
2498 return err;
2499
2500 err = qlcnic_issue_cmd(adapter, &cmd);
2501
2502 ahw->total_nic_func = 0;
2503 if (err == QLCNIC_RCODE_SUCCESS) {
2504 ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF;
2505 for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) {
2506 pci_info->id = cmd.rsp.arg[i] & 0xFFFF;
2507 pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2508 i++;
2509 if (!pci_info->active) {
2510 i += QLC_SKIP_INACTIVE_PCI_REGS;
2511 continue;
2512 }
2513 pci_info->type = cmd.rsp.arg[i] & 0xFFFF;
2514 err = qlcnic_get_pci_func_type(adapter, pci_info->type,
2515 &nic, &fcoe, &iscsi);
2516 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2517 pci_info->default_port = temp;
2518 i++;
2519 pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF;
2520 temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16;
2521 pci_info->tx_max_bw = temp;
2522 i = i + 2;
2523 memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2);
2524 i++;
2525 memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2);
2526 i = i + 3;
2527 }
2528 } else {
2529 dev_err(dev, "Failed to get PCI Info, error = %d\n", err);
2530 err = -EIO;
2531 }
2532
2533 ahw->total_nic_func = nic;
2534 ahw->total_pci_func = nic + fcoe + iscsi;
2535 if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
2536 dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
2537 __func__, ahw->total_nic_func, ahw->total_pci_func);
2538 err = -EIO;
2539 }
2540 qlcnic_free_mbx_args(&cmd);
2541
2542 return err;
2543 }
2544
qlcnic_83xx_config_intrpt(struct qlcnic_adapter * adapter,bool op_type)2545 int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type)
2546 {
2547 int i, index, err;
2548 u8 max_ints;
2549 u32 val, temp, type;
2550 struct qlcnic_cmd_args cmd;
2551
2552 max_ints = adapter->ahw->num_msix - 1;
2553 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT);
2554 if (err)
2555 return err;
2556
2557 cmd.req.arg[1] = max_ints;
2558
2559 if (qlcnic_sriov_vf_check(adapter))
2560 cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16;
2561
2562 for (i = 0, index = 2; i < max_ints; i++) {
2563 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
2564 val = type | (adapter->ahw->intr_tbl[i].type << 4);
2565 if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
2566 val |= (adapter->ahw->intr_tbl[i].id << 16);
2567 cmd.req.arg[index++] = val;
2568 }
2569 err = qlcnic_issue_cmd(adapter, &cmd);
2570 if (err) {
2571 dev_err(&adapter->pdev->dev,
2572 "Failed to configure interrupts 0x%x\n", err);
2573 goto out;
2574 }
2575
2576 max_ints = cmd.rsp.arg[1];
2577 for (i = 0, index = 2; i < max_ints; i++, index += 2) {
2578 val = cmd.rsp.arg[index];
2579 if (LSB(val)) {
2580 dev_info(&adapter->pdev->dev,
2581 "Can't configure interrupt %d\n",
2582 adapter->ahw->intr_tbl[i].id);
2583 continue;
2584 }
2585 if (op_type) {
2586 adapter->ahw->intr_tbl[i].id = MSW(val);
2587 adapter->ahw->intr_tbl[i].enabled = 1;
2588 temp = cmd.rsp.arg[index + 1];
2589 adapter->ahw->intr_tbl[i].src = temp;
2590 } else {
2591 adapter->ahw->intr_tbl[i].id = i;
2592 adapter->ahw->intr_tbl[i].enabled = 0;
2593 adapter->ahw->intr_tbl[i].src = 0;
2594 }
2595 }
2596 out:
2597 qlcnic_free_mbx_args(&cmd);
2598 return err;
2599 }
2600
qlcnic_83xx_lock_flash(struct qlcnic_adapter * adapter)2601 int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter)
2602 {
2603 int id, timeout = 0;
2604 u32 status = 0;
2605
2606 while (status == 0) {
2607 status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK);
2608 if (status)
2609 break;
2610
2611 if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) {
2612 id = QLC_SHARED_REG_RD32(adapter,
2613 QLCNIC_FLASH_LOCK_OWNER);
2614 dev_err(&adapter->pdev->dev,
2615 "%s: failed, lock held by %d\n", __func__, id);
2616 return -EIO;
2617 }
2618 usleep_range(1000, 2000);
2619 }
2620
2621 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum);
2622 return 0;
2623 }
2624
qlcnic_83xx_unlock_flash(struct qlcnic_adapter * adapter)2625 void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter)
2626 {
2627 QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK);
2628 QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF);
2629 }
2630
qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter * adapter,u32 flash_addr,u8 * p_data,int count)2631 int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter,
2632 u32 flash_addr, u8 *p_data,
2633 int count)
2634 {
2635 u32 word, range, flash_offset, addr = flash_addr, ret;
2636 ulong indirect_add, direct_window;
2637 int i, err = 0;
2638
2639 flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1);
2640 if (addr & 0x3) {
2641 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
2642 return -EIO;
2643 }
2644
2645 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW,
2646 (addr & 0xFFFF0000));
2647
2648 range = flash_offset + (count * sizeof(u32));
2649 /* Check if data is spread across multiple sectors */
2650 if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2651
2652 /* Multi sector read */
2653 for (i = 0; i < count; i++) {
2654 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2655 ret = QLCRD32(adapter, indirect_add, &err);
2656 if (err == -EIO)
2657 return err;
2658
2659 word = ret;
2660 *(u32 *)p_data = word;
2661 p_data = p_data + 4;
2662 addr = addr + 4;
2663 flash_offset = flash_offset + 4;
2664
2665 if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) {
2666 direct_window = QLC_83XX_FLASH_DIRECT_WINDOW;
2667 /* This write is needed once for each sector */
2668 qlcnic_83xx_wrt_reg_indirect(adapter,
2669 direct_window,
2670 (addr));
2671 flash_offset = 0;
2672 }
2673 }
2674 } else {
2675 /* Single sector read */
2676 for (i = 0; i < count; i++) {
2677 indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr);
2678 ret = QLCRD32(adapter, indirect_add, &err);
2679 if (err == -EIO)
2680 return err;
2681
2682 word = ret;
2683 *(u32 *)p_data = word;
2684 p_data = p_data + 4;
2685 addr = addr + 4;
2686 }
2687 }
2688
2689 return 0;
2690 }
2691
qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter * adapter)2692 static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter)
2693 {
2694 u32 status;
2695 int retries = QLC_83XX_FLASH_READ_RETRY_COUNT;
2696 int err = 0;
2697
2698 do {
2699 status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err);
2700 if (err == -EIO)
2701 return err;
2702
2703 if ((status & QLC_83XX_FLASH_STATUS_READY) ==
2704 QLC_83XX_FLASH_STATUS_READY)
2705 break;
2706
2707 usleep_range(1000, 1100);
2708 } while (--retries);
2709
2710 if (!retries)
2711 return -EIO;
2712
2713 return 0;
2714 }
2715
qlcnic_83xx_enable_flash_write(struct qlcnic_adapter * adapter)2716 int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter)
2717 {
2718 int ret;
2719 u32 cmd;
2720 cmd = adapter->ahw->fdt.write_statusreg_cmd;
2721 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2722 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd));
2723 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2724 adapter->ahw->fdt.write_enable_bits);
2725 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2726 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2727 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2728 if (ret)
2729 return -EIO;
2730
2731 return 0;
2732 }
2733
qlcnic_83xx_disable_flash_write(struct qlcnic_adapter * adapter)2734 int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter)
2735 {
2736 int ret;
2737
2738 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2739 (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG |
2740 adapter->ahw->fdt.write_statusreg_cmd));
2741 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2742 adapter->ahw->fdt.write_disable_bits);
2743 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2744 QLC_83XX_FLASH_SECOND_ERASE_MS_VAL);
2745 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2746 if (ret)
2747 return -EIO;
2748
2749 return 0;
2750 }
2751
qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter * adapter)2752 int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter)
2753 {
2754 int ret, err = 0;
2755 u32 mfg_id;
2756
2757 if (qlcnic_83xx_lock_flash(adapter))
2758 return -EIO;
2759
2760 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2761 QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL);
2762 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2763 QLC_83XX_FLASH_READ_CTRL);
2764 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2765 if (ret) {
2766 qlcnic_83xx_unlock_flash(adapter);
2767 return -EIO;
2768 }
2769
2770 mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
2771 if (err == -EIO) {
2772 qlcnic_83xx_unlock_flash(adapter);
2773 return err;
2774 }
2775
2776 adapter->flash_mfg_id = (mfg_id & 0xFF);
2777 qlcnic_83xx_unlock_flash(adapter);
2778
2779 return 0;
2780 }
2781
qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter * adapter)2782 int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter)
2783 {
2784 int count, fdt_size, ret = 0;
2785
2786 fdt_size = sizeof(struct qlcnic_fdt);
2787 count = fdt_size / sizeof(u32);
2788
2789 if (qlcnic_83xx_lock_flash(adapter))
2790 return -EIO;
2791
2792 memset(&adapter->ahw->fdt, 0, fdt_size);
2793 ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION,
2794 (u8 *)&adapter->ahw->fdt,
2795 count);
2796 qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count);
2797 qlcnic_83xx_unlock_flash(adapter);
2798 return ret;
2799 }
2800
qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter * adapter,u32 sector_start_addr)2801 int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter,
2802 u32 sector_start_addr)
2803 {
2804 u32 reversed_addr, addr1, addr2, cmd;
2805 int ret = -EIO;
2806
2807 if (qlcnic_83xx_lock_flash(adapter) != 0)
2808 return -EIO;
2809
2810 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2811 ret = qlcnic_83xx_enable_flash_write(adapter);
2812 if (ret) {
2813 qlcnic_83xx_unlock_flash(adapter);
2814 dev_err(&adapter->pdev->dev,
2815 "%s failed at %d\n",
2816 __func__, __LINE__);
2817 return ret;
2818 }
2819 }
2820
2821 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2822 if (ret) {
2823 qlcnic_83xx_unlock_flash(adapter);
2824 dev_err(&adapter->pdev->dev,
2825 "%s: failed at %d\n", __func__, __LINE__);
2826 return -EIO;
2827 }
2828
2829 addr1 = (sector_start_addr & 0xFF) << 16;
2830 addr2 = (sector_start_addr & 0xFF0000) >> 16;
2831 reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00);
2832
2833 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2834 reversed_addr);
2835 cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd;
2836 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id)
2837 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd);
2838 else
2839 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2840 QLC_83XX_FLASH_OEM_ERASE_SIG);
2841 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2842 QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2843
2844 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2845 if (ret) {
2846 qlcnic_83xx_unlock_flash(adapter);
2847 dev_err(&adapter->pdev->dev,
2848 "%s: failed at %d\n", __func__, __LINE__);
2849 return -EIO;
2850 }
2851
2852 if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) {
2853 ret = qlcnic_83xx_disable_flash_write(adapter);
2854 if (ret) {
2855 qlcnic_83xx_unlock_flash(adapter);
2856 dev_err(&adapter->pdev->dev,
2857 "%s: failed at %d\n", __func__, __LINE__);
2858 return ret;
2859 }
2860 }
2861
2862 qlcnic_83xx_unlock_flash(adapter);
2863
2864 return 0;
2865 }
2866
qlcnic_83xx_flash_write32(struct qlcnic_adapter * adapter,u32 addr,u32 * p_data)2867 int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr,
2868 u32 *p_data)
2869 {
2870 int ret = -EIO;
2871 u32 addr1 = 0x00800000 | (addr >> 2);
2872
2873 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1);
2874 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data);
2875 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2876 QLC_83XX_FLASH_LAST_ERASE_MS_VAL);
2877 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2878 if (ret) {
2879 dev_err(&adapter->pdev->dev,
2880 "%s: failed at %d\n", __func__, __LINE__);
2881 return -EIO;
2882 }
2883
2884 return 0;
2885 }
2886
qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter * adapter,u32 addr,u32 * p_data,int count)2887 int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr,
2888 u32 *p_data, int count)
2889 {
2890 u32 temp;
2891 int ret = -EIO, err = 0;
2892
2893 if ((count < QLC_83XX_FLASH_WRITE_MIN) ||
2894 (count > QLC_83XX_FLASH_WRITE_MAX)) {
2895 dev_err(&adapter->pdev->dev,
2896 "%s: Invalid word count\n", __func__);
2897 return -EIO;
2898 }
2899
2900 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2901 if (err == -EIO)
2902 return err;
2903
2904 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL,
2905 (temp | QLC_83XX_FLASH_SPI_CTRL));
2906 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2907 QLC_83XX_FLASH_ADDR_TEMP_VAL);
2908
2909 /* First DWORD write */
2910 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2911 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2912 QLC_83XX_FLASH_FIRST_MS_PATTERN);
2913 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2914 if (ret) {
2915 dev_err(&adapter->pdev->dev,
2916 "%s: failed at %d\n", __func__, __LINE__);
2917 return -EIO;
2918 }
2919
2920 count--;
2921 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2922 QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL);
2923 /* Second to N-1 DWORD writes */
2924 while (count != 1) {
2925 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA,
2926 *p_data++);
2927 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2928 QLC_83XX_FLASH_SECOND_MS_PATTERN);
2929 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2930 if (ret) {
2931 dev_err(&adapter->pdev->dev,
2932 "%s: failed at %d\n", __func__, __LINE__);
2933 return -EIO;
2934 }
2935 count--;
2936 }
2937
2938 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
2939 QLC_83XX_FLASH_ADDR_TEMP_VAL |
2940 (addr >> 2));
2941 /* Last DWORD write */
2942 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++);
2943 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
2944 QLC_83XX_FLASH_LAST_MS_PATTERN);
2945 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
2946 if (ret) {
2947 dev_err(&adapter->pdev->dev,
2948 "%s: failed at %d\n", __func__, __LINE__);
2949 return -EIO;
2950 }
2951
2952 ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err);
2953 if (err == -EIO)
2954 return err;
2955
2956 if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) {
2957 dev_err(&adapter->pdev->dev, "%s: failed at %d\n",
2958 __func__, __LINE__);
2959 /* Operation failed, clear error bit */
2960 temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err);
2961 if (err == -EIO)
2962 return err;
2963
2964 qlcnic_83xx_wrt_reg_indirect(adapter,
2965 QLC_83XX_FLASH_SPI_CONTROL,
2966 (temp | QLC_83XX_FLASH_SPI_CTRL));
2967 }
2968
2969 return 0;
2970 }
2971
qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter * adapter)2972 static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter)
2973 {
2974 u32 val, id;
2975
2976 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2977
2978 /* Check if recovery need to be performed by the calling function */
2979 if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) {
2980 val = val & ~0x3F;
2981 val = val | ((adapter->portnum << 2) |
2982 QLC_83XX_NEED_DRV_LOCK_RECOVERY);
2983 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2984 dev_info(&adapter->pdev->dev,
2985 "%s: lock recovery initiated\n", __func__);
2986 msleep(QLC_83XX_DRV_LOCK_RECOVERY_DELAY);
2987 val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK);
2988 id = ((val >> 2) & 0xF);
2989 if (id == adapter->portnum) {
2990 val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK;
2991 val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS;
2992 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2993 /* Force release the lock */
2994 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
2995 /* Clear recovery bits */
2996 val = val & ~0x3F;
2997 QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val);
2998 dev_info(&adapter->pdev->dev,
2999 "%s: lock recovery completed\n", __func__);
3000 } else {
3001 dev_info(&adapter->pdev->dev,
3002 "%s: func %d to resume lock recovery process\n",
3003 __func__, id);
3004 }
3005 } else {
3006 dev_info(&adapter->pdev->dev,
3007 "%s: lock recovery initiated by other functions\n",
3008 __func__);
3009 }
3010 }
3011
qlcnic_83xx_lock_driver(struct qlcnic_adapter * adapter)3012 int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter)
3013 {
3014 u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0;
3015 int max_attempt = 0;
3016
3017 while (status == 0) {
3018 status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK);
3019 if (status)
3020 break;
3021
3022 msleep(QLC_83XX_DRV_LOCK_WAIT_DELAY);
3023 i++;
3024
3025 if (i == 1)
3026 temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3027
3028 if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) {
3029 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3030 if (val == temp) {
3031 id = val & 0xFF;
3032 dev_info(&adapter->pdev->dev,
3033 "%s: lock to be recovered from %d\n",
3034 __func__, id);
3035 qlcnic_83xx_recover_driver_lock(adapter);
3036 i = 0;
3037 max_attempt++;
3038 } else {
3039 dev_err(&adapter->pdev->dev,
3040 "%s: failed to get lock\n", __func__);
3041 return -EIO;
3042 }
3043 }
3044
3045 /* Force exit from while loop after few attempts */
3046 if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) {
3047 dev_err(&adapter->pdev->dev,
3048 "%s: failed to get lock\n", __func__);
3049 return -EIO;
3050 }
3051 }
3052
3053 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3054 lock_alive_counter = val >> 8;
3055 lock_alive_counter++;
3056 val = lock_alive_counter << 8 | adapter->portnum;
3057 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3058
3059 return 0;
3060 }
3061
qlcnic_83xx_unlock_driver(struct qlcnic_adapter * adapter)3062 void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter)
3063 {
3064 u32 val, lock_alive_counter, id;
3065
3066 val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID);
3067 id = val & 0xFF;
3068 lock_alive_counter = val >> 8;
3069
3070 if (id != adapter->portnum)
3071 dev_err(&adapter->pdev->dev,
3072 "%s:Warning func %d is unlocking lock owned by %d\n",
3073 __func__, adapter->portnum, id);
3074
3075 val = (lock_alive_counter << 8) | 0xFF;
3076 QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val);
3077 QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK);
3078 }
3079
qlcnic_ms_mem_write128(struct qlcnic_adapter * adapter,u64 addr,u32 * data,u32 count)3080 int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr,
3081 u32 *data, u32 count)
3082 {
3083 int i, j, ret = 0;
3084 u32 temp;
3085
3086 /* Check alignment */
3087 if (addr & 0xF)
3088 return -EIO;
3089
3090 mutex_lock(&adapter->ahw->mem_lock);
3091 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0);
3092
3093 for (i = 0; i < count; i++, addr += 16) {
3094 if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET,
3095 QLCNIC_ADDR_QDR_NET_MAX)) ||
3096 (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET,
3097 QLCNIC_ADDR_DDR_NET_MAX)))) {
3098 mutex_unlock(&adapter->ahw->mem_lock);
3099 return -EIO;
3100 }
3101
3102 qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr);
3103 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++);
3104 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++);
3105 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++);
3106 qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++);
3107 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE);
3108 qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START);
3109
3110 for (j = 0; j < MAX_CTL_CHECK; j++) {
3111 temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL);
3112
3113 if ((temp & TA_CTL_BUSY) == 0)
3114 break;
3115 }
3116
3117 /* Status check failure */
3118 if (j >= MAX_CTL_CHECK) {
3119 printk_ratelimited(KERN_WARNING
3120 "MS memory write failed\n");
3121 mutex_unlock(&adapter->ahw->mem_lock);
3122 return -EIO;
3123 }
3124 }
3125
3126 mutex_unlock(&adapter->ahw->mem_lock);
3127
3128 return ret;
3129 }
3130
qlcnic_83xx_flash_read32(struct qlcnic_adapter * adapter,u32 flash_addr,u8 * p_data,int count)3131 int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr,
3132 u8 *p_data, int count)
3133 {
3134 u32 word, addr = flash_addr, ret;
3135 ulong indirect_addr;
3136 int i, err = 0;
3137
3138 if (qlcnic_83xx_lock_flash(adapter) != 0)
3139 return -EIO;
3140
3141 if (addr & 0x3) {
3142 dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr);
3143 qlcnic_83xx_unlock_flash(adapter);
3144 return -EIO;
3145 }
3146
3147 for (i = 0; i < count; i++) {
3148 if (qlcnic_83xx_wrt_reg_indirect(adapter,
3149 QLC_83XX_FLASH_DIRECT_WINDOW,
3150 (addr))) {
3151 qlcnic_83xx_unlock_flash(adapter);
3152 return -EIO;
3153 }
3154
3155 indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr);
3156 ret = QLCRD32(adapter, indirect_addr, &err);
3157 if (err == -EIO)
3158 return err;
3159
3160 word = ret;
3161 *(u32 *)p_data = word;
3162 p_data = p_data + 4;
3163 addr = addr + 4;
3164 }
3165
3166 qlcnic_83xx_unlock_flash(adapter);
3167
3168 return 0;
3169 }
3170
qlcnic_83xx_test_link(struct qlcnic_adapter * adapter)3171 int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter)
3172 {
3173 u8 pci_func;
3174 int err;
3175 u32 config = 0, state;
3176 struct qlcnic_cmd_args cmd;
3177 struct qlcnic_hardware_context *ahw = adapter->ahw;
3178
3179 if (qlcnic_sriov_vf_check(adapter))
3180 pci_func = adapter->portnum;
3181 else
3182 pci_func = ahw->pci_func;
3183
3184 state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func));
3185 if (!QLC_83xx_FUNC_VAL(state, pci_func)) {
3186 dev_info(&adapter->pdev->dev, "link state down\n");
3187 return config;
3188 }
3189
3190 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS);
3191 if (err)
3192 return err;
3193
3194 err = qlcnic_issue_cmd(adapter, &cmd);
3195 if (err) {
3196 dev_info(&adapter->pdev->dev,
3197 "Get Link Status Command failed: 0x%x\n", err);
3198 goto out;
3199 } else {
3200 config = cmd.rsp.arg[1];
3201 switch (QLC_83XX_CURRENT_LINK_SPEED(config)) {
3202 case QLC_83XX_10M_LINK:
3203 ahw->link_speed = SPEED_10;
3204 break;
3205 case QLC_83XX_100M_LINK:
3206 ahw->link_speed = SPEED_100;
3207 break;
3208 case QLC_83XX_1G_LINK:
3209 ahw->link_speed = SPEED_1000;
3210 break;
3211 case QLC_83XX_10G_LINK:
3212 ahw->link_speed = SPEED_10000;
3213 break;
3214 default:
3215 ahw->link_speed = 0;
3216 break;
3217 }
3218 config = cmd.rsp.arg[3];
3219 switch (QLC_83XX_SFP_MODULE_TYPE(config)) {
3220 case QLC_83XX_MODULE_FIBRE_10GBASE_LRM:
3221 case QLC_83XX_MODULE_FIBRE_10GBASE_LR:
3222 case QLC_83XX_MODULE_FIBRE_10GBASE_SR:
3223 ahw->supported_type = PORT_FIBRE;
3224 ahw->port_type = QLCNIC_XGBE;
3225 break;
3226 case QLC_83XX_MODULE_FIBRE_1000BASE_SX:
3227 case QLC_83XX_MODULE_FIBRE_1000BASE_LX:
3228 case QLC_83XX_MODULE_FIBRE_1000BASE_CX:
3229 ahw->supported_type = PORT_FIBRE;
3230 ahw->port_type = QLCNIC_GBE;
3231 break;
3232 case QLC_83XX_MODULE_TP_1000BASE_T:
3233 ahw->supported_type = PORT_TP;
3234 ahw->port_type = QLCNIC_GBE;
3235 break;
3236 case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP:
3237 case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP:
3238 case QLC_83XX_MODULE_DA_10GE_LEGACY_CP:
3239 case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP:
3240 ahw->supported_type = PORT_DA;
3241 ahw->port_type = QLCNIC_XGBE;
3242 break;
3243 default:
3244 ahw->supported_type = PORT_OTHER;
3245 ahw->port_type = QLCNIC_XGBE;
3246 }
3247 if (config & 1)
3248 err = 1;
3249 }
3250 out:
3251 qlcnic_free_mbx_args(&cmd);
3252 return config;
3253 }
3254
qlcnic_83xx_get_settings(struct qlcnic_adapter * adapter,struct ethtool_cmd * ecmd)3255 int qlcnic_83xx_get_settings(struct qlcnic_adapter *adapter,
3256 struct ethtool_cmd *ecmd)
3257 {
3258 struct qlcnic_hardware_context *ahw = adapter->ahw;
3259 u32 config = 0;
3260 int status = 0;
3261
3262 if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) {
3263 /* Get port configuration info */
3264 status = qlcnic_83xx_get_port_info(adapter);
3265 /* Get Link Status related info */
3266 config = qlcnic_83xx_test_link(adapter);
3267 ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config);
3268 }
3269
3270 /* hard code until there is a way to get it from flash */
3271 ahw->board_type = QLCNIC_BRDTYPE_83XX_10G;
3272
3273 if (netif_running(adapter->netdev) && ahw->has_link_events) {
3274 ethtool_cmd_speed_set(ecmd, ahw->link_speed);
3275 ecmd->duplex = ahw->link_duplex;
3276 ecmd->autoneg = ahw->link_autoneg;
3277 } else {
3278 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
3279 ecmd->duplex = DUPLEX_UNKNOWN;
3280 ecmd->autoneg = AUTONEG_DISABLE;
3281 }
3282
3283 ecmd->supported = (SUPPORTED_10baseT_Full |
3284 SUPPORTED_100baseT_Full |
3285 SUPPORTED_1000baseT_Full |
3286 SUPPORTED_10000baseT_Full |
3287 SUPPORTED_Autoneg);
3288
3289 if (ecmd->autoneg == AUTONEG_ENABLE) {
3290 if (ahw->port_config & QLC_83XX_10_CAPABLE)
3291 ecmd->advertising |= SUPPORTED_10baseT_Full;
3292 if (ahw->port_config & QLC_83XX_100_CAPABLE)
3293 ecmd->advertising |= SUPPORTED_100baseT_Full;
3294 if (ahw->port_config & QLC_83XX_1G_CAPABLE)
3295 ecmd->advertising |= SUPPORTED_1000baseT_Full;
3296 if (ahw->port_config & QLC_83XX_10G_CAPABLE)
3297 ecmd->advertising |= SUPPORTED_10000baseT_Full;
3298 if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE)
3299 ecmd->advertising |= ADVERTISED_Autoneg;
3300 } else {
3301 switch (ahw->link_speed) {
3302 case SPEED_10:
3303 ecmd->advertising = SUPPORTED_10baseT_Full;
3304 break;
3305 case SPEED_100:
3306 ecmd->advertising = SUPPORTED_100baseT_Full;
3307 break;
3308 case SPEED_1000:
3309 ecmd->advertising = SUPPORTED_1000baseT_Full;
3310 break;
3311 case SPEED_10000:
3312 ecmd->advertising = SUPPORTED_10000baseT_Full;
3313 break;
3314 default:
3315 break;
3316 }
3317
3318 }
3319
3320 switch (ahw->supported_type) {
3321 case PORT_FIBRE:
3322 ecmd->supported |= SUPPORTED_FIBRE;
3323 ecmd->advertising |= ADVERTISED_FIBRE;
3324 ecmd->port = PORT_FIBRE;
3325 ecmd->transceiver = XCVR_EXTERNAL;
3326 break;
3327 case PORT_TP:
3328 ecmd->supported |= SUPPORTED_TP;
3329 ecmd->advertising |= ADVERTISED_TP;
3330 ecmd->port = PORT_TP;
3331 ecmd->transceiver = XCVR_INTERNAL;
3332 break;
3333 case PORT_DA:
3334 ecmd->supported |= SUPPORTED_FIBRE;
3335 ecmd->advertising |= ADVERTISED_FIBRE;
3336 ecmd->port = PORT_DA;
3337 ecmd->transceiver = XCVR_EXTERNAL;
3338 break;
3339 default:
3340 ecmd->supported |= SUPPORTED_FIBRE;
3341 ecmd->advertising |= ADVERTISED_FIBRE;
3342 ecmd->port = PORT_OTHER;
3343 ecmd->transceiver = XCVR_EXTERNAL;
3344 break;
3345 }
3346 ecmd->phy_address = ahw->physical_port;
3347 return status;
3348 }
3349
qlcnic_83xx_set_settings(struct qlcnic_adapter * adapter,struct ethtool_cmd * ecmd)3350 int qlcnic_83xx_set_settings(struct qlcnic_adapter *adapter,
3351 struct ethtool_cmd *ecmd)
3352 {
3353 struct qlcnic_hardware_context *ahw = adapter->ahw;
3354 u32 config = adapter->ahw->port_config;
3355 int status = 0;
3356
3357 /* 83xx devices do not support Half duplex */
3358 if (ecmd->duplex == DUPLEX_HALF) {
3359 netdev_info(adapter->netdev,
3360 "Half duplex mode not supported\n");
3361 return -EINVAL;
3362 }
3363
3364 if (ecmd->autoneg) {
3365 ahw->port_config |= QLC_83XX_AUTONEG_ENABLE;
3366 ahw->port_config |= (QLC_83XX_100_CAPABLE |
3367 QLC_83XX_1G_CAPABLE |
3368 QLC_83XX_10G_CAPABLE);
3369 } else { /* force speed */
3370 ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE;
3371 switch (ethtool_cmd_speed(ecmd)) {
3372 case SPEED_10:
3373 ahw->port_config &= ~(QLC_83XX_100_CAPABLE |
3374 QLC_83XX_1G_CAPABLE |
3375 QLC_83XX_10G_CAPABLE);
3376 ahw->port_config |= QLC_83XX_10_CAPABLE;
3377 break;
3378 case SPEED_100:
3379 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3380 QLC_83XX_1G_CAPABLE |
3381 QLC_83XX_10G_CAPABLE);
3382 ahw->port_config |= QLC_83XX_100_CAPABLE;
3383 break;
3384 case SPEED_1000:
3385 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3386 QLC_83XX_100_CAPABLE |
3387 QLC_83XX_10G_CAPABLE);
3388 ahw->port_config |= QLC_83XX_1G_CAPABLE;
3389 break;
3390 case SPEED_10000:
3391 ahw->port_config &= ~(QLC_83XX_10_CAPABLE |
3392 QLC_83XX_100_CAPABLE |
3393 QLC_83XX_1G_CAPABLE);
3394 ahw->port_config |= QLC_83XX_10G_CAPABLE;
3395 break;
3396 default:
3397 return -EINVAL;
3398 }
3399 }
3400 status = qlcnic_83xx_set_port_config(adapter);
3401 if (status) {
3402 netdev_info(adapter->netdev,
3403 "Failed to Set Link Speed and autoneg.\n");
3404 ahw->port_config = config;
3405 }
3406
3407 return status;
3408 }
3409
qlcnic_83xx_copy_stats(struct qlcnic_cmd_args * cmd,u64 * data,int index)3410 static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd,
3411 u64 *data, int index)
3412 {
3413 u32 low, hi;
3414 u64 val;
3415
3416 low = cmd->rsp.arg[index];
3417 hi = cmd->rsp.arg[index + 1];
3418 val = (((u64) low) | (((u64) hi) << 32));
3419 *data++ = val;
3420 return data;
3421 }
3422
qlcnic_83xx_fill_stats(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd,u64 * data,int type,int * ret)3423 static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter,
3424 struct qlcnic_cmd_args *cmd, u64 *data,
3425 int type, int *ret)
3426 {
3427 int err, k, total_regs;
3428
3429 *ret = 0;
3430 err = qlcnic_issue_cmd(adapter, cmd);
3431 if (err != QLCNIC_RCODE_SUCCESS) {
3432 dev_info(&adapter->pdev->dev,
3433 "Error in get statistics mailbox command\n");
3434 *ret = -EIO;
3435 return data;
3436 }
3437 total_regs = cmd->rsp.num;
3438 switch (type) {
3439 case QLC_83XX_STAT_MAC:
3440 /* fill in MAC tx counters */
3441 for (k = 2; k < 28; k += 2)
3442 data = qlcnic_83xx_copy_stats(cmd, data, k);
3443 /* skip 24 bytes of reserved area */
3444 /* fill in MAC rx counters */
3445 for (k += 6; k < 60; k += 2)
3446 data = qlcnic_83xx_copy_stats(cmd, data, k);
3447 /* skip 24 bytes of reserved area */
3448 /* fill in MAC rx frame stats */
3449 for (k += 6; k < 80; k += 2)
3450 data = qlcnic_83xx_copy_stats(cmd, data, k);
3451 /* fill in eSwitch stats */
3452 for (; k < total_regs; k += 2)
3453 data = qlcnic_83xx_copy_stats(cmd, data, k);
3454 break;
3455 case QLC_83XX_STAT_RX:
3456 for (k = 2; k < 8; k += 2)
3457 data = qlcnic_83xx_copy_stats(cmd, data, k);
3458 /* skip 8 bytes of reserved data */
3459 for (k += 2; k < 24; k += 2)
3460 data = qlcnic_83xx_copy_stats(cmd, data, k);
3461 /* skip 8 bytes containing RE1FBQ error data */
3462 for (k += 2; k < total_regs; k += 2)
3463 data = qlcnic_83xx_copy_stats(cmd, data, k);
3464 break;
3465 case QLC_83XX_STAT_TX:
3466 for (k = 2; k < 10; k += 2)
3467 data = qlcnic_83xx_copy_stats(cmd, data, k);
3468 /* skip 8 bytes of reserved data */
3469 for (k += 2; k < total_regs; k += 2)
3470 data = qlcnic_83xx_copy_stats(cmd, data, k);
3471 break;
3472 default:
3473 dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n");
3474 *ret = -EIO;
3475 }
3476 return data;
3477 }
3478
qlcnic_83xx_get_stats(struct qlcnic_adapter * adapter,u64 * data)3479 void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data)
3480 {
3481 struct qlcnic_cmd_args cmd;
3482 struct net_device *netdev = adapter->netdev;
3483 int ret = 0;
3484
3485 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS);
3486 if (ret)
3487 return;
3488 /* Get Tx stats */
3489 cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16);
3490 cmd.rsp.num = QLC_83XX_TX_STAT_REGS;
3491 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3492 QLC_83XX_STAT_TX, &ret);
3493 if (ret) {
3494 netdev_err(netdev, "Error getting Tx stats\n");
3495 goto out;
3496 }
3497 /* Get MAC stats */
3498 cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16);
3499 cmd.rsp.num = QLC_83XX_MAC_STAT_REGS;
3500 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3501 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3502 QLC_83XX_STAT_MAC, &ret);
3503 if (ret) {
3504 netdev_err(netdev, "Error getting MAC stats\n");
3505 goto out;
3506 }
3507 /* Get Rx stats */
3508 cmd.req.arg[1] = adapter->recv_ctx->context_id << 16;
3509 cmd.rsp.num = QLC_83XX_RX_STAT_REGS;
3510 memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num);
3511 data = qlcnic_83xx_fill_stats(adapter, &cmd, data,
3512 QLC_83XX_STAT_RX, &ret);
3513 if (ret)
3514 netdev_err(netdev, "Error getting Rx stats\n");
3515 out:
3516 qlcnic_free_mbx_args(&cmd);
3517 }
3518
3519 #define QLCNIC_83XX_ADD_PORT0 BIT_0
3520 #define QLCNIC_83XX_ADD_PORT1 BIT_1
3521 #define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */
qlcnic_83xx_extend_md_capab(struct qlcnic_adapter * adapter)3522 int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter)
3523 {
3524 struct qlcnic_cmd_args cmd;
3525 int err;
3526
3527 err = qlcnic_alloc_mbx_args(&cmd, adapter,
3528 QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP);
3529 if (err)
3530 return err;
3531
3532 cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1);
3533 cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3534 cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE;
3535
3536 err = qlcnic_issue_cmd(adapter, &cmd);
3537 if (err)
3538 dev_err(&adapter->pdev->dev,
3539 "failed to issue extend iSCSI minidump capability\n");
3540
3541 return err;
3542 }
3543
qlcnic_83xx_reg_test(struct qlcnic_adapter * adapter)3544 int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter)
3545 {
3546 u32 major, minor, sub;
3547
3548 major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
3549 minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
3550 sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
3551
3552 if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) {
3553 dev_info(&adapter->pdev->dev, "%s: Reg test failed\n",
3554 __func__);
3555 return 1;
3556 }
3557 return 0;
3558 }
3559
qlcnic_83xx_get_regs_len(struct qlcnic_adapter * adapter)3560 inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter)
3561 {
3562 return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) *
3563 sizeof(*adapter->ahw->ext_reg_tbl)) +
3564 (ARRAY_SIZE(qlcnic_83xx_reg_tbl) *
3565 sizeof(*adapter->ahw->reg_tbl));
3566 }
3567
qlcnic_83xx_get_registers(struct qlcnic_adapter * adapter,u32 * regs_buff)3568 int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff)
3569 {
3570 int i, j = 0;
3571
3572 for (i = QLCNIC_DEV_INFO_SIZE + 1;
3573 j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++)
3574 regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j);
3575
3576 for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++)
3577 regs_buff[i++] = QLCRDX(adapter->ahw, j);
3578 return i;
3579 }
3580
qlcnic_83xx_interrupt_test(struct net_device * netdev)3581 int qlcnic_83xx_interrupt_test(struct net_device *netdev)
3582 {
3583 struct qlcnic_adapter *adapter = netdev_priv(netdev);
3584 struct qlcnic_hardware_context *ahw = adapter->ahw;
3585 struct qlcnic_cmd_args cmd;
3586 u8 val, drv_sds_rings = adapter->drv_sds_rings;
3587 u8 drv_tx_rings = adapter->drv_tx_rings;
3588 u32 data;
3589 u16 intrpt_id, id;
3590 int ret;
3591
3592 if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
3593 netdev_info(netdev, "Device is resetting\n");
3594 return -EBUSY;
3595 }
3596
3597 if (qlcnic_get_diag_lock(adapter)) {
3598 netdev_info(netdev, "Device in diagnostics mode\n");
3599 return -EBUSY;
3600 }
3601
3602 ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST,
3603 drv_sds_rings);
3604 if (ret)
3605 goto fail_diag_irq;
3606
3607 ahw->diag_cnt = 0;
3608 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
3609 if (ret)
3610 goto fail_diag_irq;
3611
3612 if (adapter->flags & QLCNIC_MSIX_ENABLED)
3613 intrpt_id = ahw->intr_tbl[0].id;
3614 else
3615 intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID);
3616
3617 cmd.req.arg[1] = 1;
3618 cmd.req.arg[2] = intrpt_id;
3619 cmd.req.arg[3] = BIT_0;
3620
3621 ret = qlcnic_issue_cmd(adapter, &cmd);
3622 data = cmd.rsp.arg[2];
3623 id = LSW(data);
3624 val = LSB(MSW(data));
3625 if (id != intrpt_id)
3626 dev_info(&adapter->pdev->dev,
3627 "Interrupt generated: 0x%x, requested:0x%x\n",
3628 id, intrpt_id);
3629 if (val)
3630 dev_err(&adapter->pdev->dev,
3631 "Interrupt test error: 0x%x\n", val);
3632 if (ret)
3633 goto done;
3634
3635 msleep(20);
3636 ret = !ahw->diag_cnt;
3637
3638 done:
3639 qlcnic_free_mbx_args(&cmd);
3640 qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
3641
3642 fail_diag_irq:
3643 adapter->drv_sds_rings = drv_sds_rings;
3644 adapter->drv_tx_rings = drv_tx_rings;
3645 qlcnic_release_diag_lock(adapter);
3646 return ret;
3647 }
3648
qlcnic_83xx_get_pauseparam(struct qlcnic_adapter * adapter,struct ethtool_pauseparam * pause)3649 void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter,
3650 struct ethtool_pauseparam *pause)
3651 {
3652 struct qlcnic_hardware_context *ahw = adapter->ahw;
3653 int status = 0;
3654 u32 config;
3655
3656 status = qlcnic_83xx_get_port_config(adapter);
3657 if (status) {
3658 dev_err(&adapter->pdev->dev,
3659 "%s: Get Pause Config failed\n", __func__);
3660 return;
3661 }
3662 config = ahw->port_config;
3663 if (config & QLC_83XX_CFG_STD_PAUSE) {
3664 switch (MSW(config)) {
3665 case QLC_83XX_TX_PAUSE:
3666 pause->tx_pause = 1;
3667 break;
3668 case QLC_83XX_RX_PAUSE:
3669 pause->rx_pause = 1;
3670 break;
3671 case QLC_83XX_TX_RX_PAUSE:
3672 default:
3673 /* Backward compatibility for existing
3674 * flash definitions
3675 */
3676 pause->tx_pause = 1;
3677 pause->rx_pause = 1;
3678 }
3679 }
3680
3681 if (QLC_83XX_AUTONEG(config))
3682 pause->autoneg = 1;
3683 }
3684
qlcnic_83xx_set_pauseparam(struct qlcnic_adapter * adapter,struct ethtool_pauseparam * pause)3685 int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter,
3686 struct ethtool_pauseparam *pause)
3687 {
3688 struct qlcnic_hardware_context *ahw = adapter->ahw;
3689 int status = 0;
3690 u32 config;
3691
3692 status = qlcnic_83xx_get_port_config(adapter);
3693 if (status) {
3694 dev_err(&adapter->pdev->dev,
3695 "%s: Get Pause Config failed.\n", __func__);
3696 return status;
3697 }
3698 config = ahw->port_config;
3699
3700 if (ahw->port_type == QLCNIC_GBE) {
3701 if (pause->autoneg)
3702 ahw->port_config |= QLC_83XX_ENABLE_AUTONEG;
3703 if (!pause->autoneg)
3704 ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG;
3705 } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) {
3706 return -EOPNOTSUPP;
3707 }
3708
3709 if (!(config & QLC_83XX_CFG_STD_PAUSE))
3710 ahw->port_config |= QLC_83XX_CFG_STD_PAUSE;
3711
3712 if (pause->rx_pause && pause->tx_pause) {
3713 ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE;
3714 } else if (pause->rx_pause && !pause->tx_pause) {
3715 ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE;
3716 ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE;
3717 } else if (pause->tx_pause && !pause->rx_pause) {
3718 ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE;
3719 ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE;
3720 } else if (!pause->rx_pause && !pause->tx_pause) {
3721 ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE |
3722 QLC_83XX_CFG_STD_PAUSE);
3723 }
3724 status = qlcnic_83xx_set_port_config(adapter);
3725 if (status) {
3726 dev_err(&adapter->pdev->dev,
3727 "%s: Set Pause Config failed.\n", __func__);
3728 ahw->port_config = config;
3729 }
3730 return status;
3731 }
3732
qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter * adapter)3733 static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter)
3734 {
3735 int ret, err = 0;
3736 u32 temp;
3737
3738 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR,
3739 QLC_83XX_FLASH_OEM_READ_SIG);
3740 qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL,
3741 QLC_83XX_FLASH_READ_CTRL);
3742 ret = qlcnic_83xx_poll_flash_status_reg(adapter);
3743 if (ret)
3744 return -EIO;
3745
3746 temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err);
3747 if (err == -EIO)
3748 return err;
3749
3750 return temp & 0xFF;
3751 }
3752
qlcnic_83xx_flash_test(struct qlcnic_adapter * adapter)3753 int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter)
3754 {
3755 int status;
3756
3757 status = qlcnic_83xx_read_flash_status_reg(adapter);
3758 if (status == -EIO) {
3759 dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n",
3760 __func__);
3761 return 1;
3762 }
3763 return 0;
3764 }
3765
qlcnic_83xx_shutdown(struct pci_dev * pdev)3766 static int qlcnic_83xx_shutdown(struct pci_dev *pdev)
3767 {
3768 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
3769 struct net_device *netdev = adapter->netdev;
3770 int retval;
3771
3772 netif_device_detach(netdev);
3773 qlcnic_cancel_idc_work(adapter);
3774
3775 if (netif_running(netdev))
3776 qlcnic_down(adapter, netdev);
3777
3778 qlcnic_83xx_disable_mbx_intr(adapter);
3779 cancel_delayed_work_sync(&adapter->idc_aen_work);
3780
3781 retval = pci_save_state(pdev);
3782 if (retval)
3783 return retval;
3784
3785 return 0;
3786 }
3787
qlcnic_83xx_resume(struct qlcnic_adapter * adapter)3788 static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter)
3789 {
3790 struct qlcnic_hardware_context *ahw = adapter->ahw;
3791 struct qlc_83xx_idc *idc = &ahw->idc;
3792 int err = 0;
3793
3794 err = qlcnic_83xx_idc_init(adapter);
3795 if (err)
3796 return err;
3797
3798 if (ahw->nic_mode == QLCNIC_VNIC_MODE) {
3799 if (ahw->op_mode == QLCNIC_MGMT_FUNC) {
3800 qlcnic_83xx_set_vnic_opmode(adapter);
3801 } else {
3802 err = qlcnic_83xx_check_vnic_state(adapter);
3803 if (err)
3804 return err;
3805 }
3806 }
3807
3808 err = qlcnic_83xx_idc_reattach_driver(adapter);
3809 if (err)
3810 return err;
3811
3812 qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
3813 idc->delay);
3814 return err;
3815 }
3816
qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox * mbx)3817 void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx)
3818 {
3819 reinit_completion(&mbx->completion);
3820 set_bit(QLC_83XX_MBX_READY, &mbx->status);
3821 }
3822
qlcnic_83xx_free_mailbox(struct qlcnic_mailbox * mbx)3823 void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx)
3824 {
3825 if (!mbx)
3826 return;
3827
3828 destroy_workqueue(mbx->work_q);
3829 kfree(mbx);
3830 }
3831
3832 static inline void
qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3833 qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter,
3834 struct qlcnic_cmd_args *cmd)
3835 {
3836 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED);
3837
3838 if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) {
3839 qlcnic_free_mbx_args(cmd);
3840 kfree(cmd);
3841 return;
3842 }
3843 complete(&cmd->completion);
3844 }
3845
qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter * adapter)3846 static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
3847 {
3848 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3849 struct list_head *head = &mbx->cmd_q;
3850 struct qlcnic_cmd_args *cmd = NULL;
3851
3852 spin_lock_bh(&mbx->queue_lock);
3853
3854 while (!list_empty(head)) {
3855 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
3856 dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n",
3857 __func__, cmd->cmd_op);
3858 list_del(&cmd->list);
3859 mbx->num_cmds--;
3860 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3861 }
3862
3863 spin_unlock_bh(&mbx->queue_lock);
3864 }
3865
qlcnic_83xx_check_mbx_status(struct qlcnic_adapter * adapter)3866 static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter)
3867 {
3868 struct qlcnic_hardware_context *ahw = adapter->ahw;
3869 struct qlcnic_mailbox *mbx = ahw->mailbox;
3870 u32 host_mbx_ctrl;
3871
3872 if (!test_bit(QLC_83XX_MBX_READY, &mbx->status))
3873 return -EBUSY;
3874
3875 host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL);
3876 if (host_mbx_ctrl) {
3877 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3878 ahw->idc.collect_dump = 1;
3879 return -EIO;
3880 }
3881
3882 return 0;
3883 }
3884
qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter * adapter,u8 issue_cmd)3885 static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter,
3886 u8 issue_cmd)
3887 {
3888 if (issue_cmd)
3889 QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER);
3890 else
3891 QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER);
3892 }
3893
qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3894 static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter,
3895 struct qlcnic_cmd_args *cmd)
3896 {
3897 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3898
3899 spin_lock_bh(&mbx->queue_lock);
3900
3901 list_del(&cmd->list);
3902 mbx->num_cmds--;
3903
3904 spin_unlock_bh(&mbx->queue_lock);
3905
3906 qlcnic_83xx_notify_cmd_completion(adapter, cmd);
3907 }
3908
qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3909 static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter,
3910 struct qlcnic_cmd_args *cmd)
3911 {
3912 u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp;
3913 struct qlcnic_hardware_context *ahw = adapter->ahw;
3914 int i, j;
3915
3916 if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) {
3917 mbx_cmd = cmd->req.arg[0];
3918 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3919 for (i = 1; i < cmd->req.num; i++)
3920 writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i));
3921 } else {
3922 fw_hal_version = ahw->fw_hal_version;
3923 hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32);
3924 total_size = cmd->pay_size + hdr_size;
3925 tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16;
3926 mbx_cmd = tmp | fw_hal_version << 29;
3927 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0));
3928
3929 /* Back channel specific operations bits */
3930 mbx_cmd = 0x1 | 1 << 4;
3931
3932 if (qlcnic_sriov_pf_check(adapter))
3933 mbx_cmd |= cmd->func_num << 5;
3934
3935 writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1));
3936
3937 for (i = 2, j = 0; j < hdr_size; i++, j++)
3938 writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i));
3939 for (j = 0; j < cmd->pay_size; j++, i++)
3940 writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i));
3941 }
3942 }
3943
qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter * adapter)3944 void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter)
3945 {
3946 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3947
3948 if (!mbx)
3949 return;
3950
3951 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
3952 complete(&mbx->completion);
3953 cancel_work_sync(&mbx->work);
3954 flush_workqueue(mbx->work_q);
3955 qlcnic_83xx_flush_mbx_queue(adapter);
3956 }
3957
qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd,unsigned long * timeout)3958 static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
3959 struct qlcnic_cmd_args *cmd,
3960 unsigned long *timeout)
3961 {
3962 struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
3963
3964 if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) {
3965 atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT);
3966 init_completion(&cmd->completion);
3967 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN;
3968
3969 spin_lock_bh(&mbx->queue_lock);
3970
3971 list_add_tail(&cmd->list, &mbx->cmd_q);
3972 mbx->num_cmds++;
3973 cmd->total_cmds = mbx->num_cmds;
3974 *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT;
3975 queue_work(mbx->work_q, &mbx->work);
3976
3977 spin_unlock_bh(&mbx->queue_lock);
3978
3979 return 0;
3980 }
3981
3982 return -EBUSY;
3983 }
3984
qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)3985 static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter,
3986 struct qlcnic_cmd_args *cmd)
3987 {
3988 u8 mac_cmd_rcode;
3989 u32 fw_data;
3990
3991 if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) {
3992 fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2));
3993 mac_cmd_rcode = (u8)fw_data;
3994 if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE ||
3995 mac_cmd_rcode == QLC_83XX_MAC_PRESENT ||
3996 mac_cmd_rcode == QLC_83XX_MAC_ABSENT) {
3997 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
3998 return QLCNIC_RCODE_SUCCESS;
3999 }
4000 }
4001
4002 return -EINVAL;
4003 }
4004
qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)4005 static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter,
4006 struct qlcnic_cmd_args *cmd)
4007 {
4008 struct qlcnic_hardware_context *ahw = adapter->ahw;
4009 struct device *dev = &adapter->pdev->dev;
4010 u8 mbx_err_code;
4011 u32 fw_data;
4012
4013 fw_data = readl(QLCNIC_MBX_FW(ahw, 0));
4014 mbx_err_code = QLCNIC_MBX_STATUS(fw_data);
4015 qlcnic_83xx_get_mbx_data(adapter, cmd);
4016
4017 switch (mbx_err_code) {
4018 case QLCNIC_MBX_RSP_OK:
4019 case QLCNIC_MBX_PORT_RSP_OK:
4020 cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS;
4021 break;
4022 default:
4023 if (!qlcnic_83xx_check_mac_rcode(adapter, cmd))
4024 break;
4025
4026 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",
4027 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4028 ahw->op_mode, mbx_err_code);
4029 cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED;
4030 qlcnic_dump_mbx(adapter, cmd);
4031 }
4032
4033 return;
4034 }
4035
qlcnic_dump_mailbox_registers(struct qlcnic_adapter * adapter)4036 static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
4037 {
4038 struct qlcnic_hardware_context *ahw = adapter->ahw;
4039 u32 offset;
4040
4041 offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
4042 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",
4043 readl(ahw->pci_base0 + offset),
4044 QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
4045 QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
4046 QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
4047 }
4048
qlcnic_83xx_mailbox_worker(struct work_struct * work)4049 static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
4050 {
4051 struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
4052 work);
4053 struct qlcnic_adapter *adapter = mbx->adapter;
4054 const struct qlcnic_mbx_ops *mbx_ops = mbx->ops;
4055 struct device *dev = &adapter->pdev->dev;
4056 struct list_head *head = &mbx->cmd_q;
4057 struct qlcnic_hardware_context *ahw;
4058 struct qlcnic_cmd_args *cmd = NULL;
4059 unsigned long flags;
4060
4061 ahw = adapter->ahw;
4062
4063 while (true) {
4064 if (qlcnic_83xx_check_mbx_status(adapter)) {
4065 qlcnic_83xx_flush_mbx_queue(adapter);
4066 return;
4067 }
4068
4069 spin_lock_irqsave(&mbx->aen_lock, flags);
4070 mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT;
4071 spin_unlock_irqrestore(&mbx->aen_lock, flags);
4072
4073 spin_lock_bh(&mbx->queue_lock);
4074
4075 if (list_empty(head)) {
4076 spin_unlock_bh(&mbx->queue_lock);
4077 return;
4078 }
4079 cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
4080
4081 spin_unlock_bh(&mbx->queue_lock);
4082
4083 mbx_ops->encode_cmd(adapter, cmd);
4084 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST);
4085
4086 if (wait_for_completion_timeout(&mbx->completion,
4087 QLC_83XX_MBX_TIMEOUT)) {
4088 mbx_ops->decode_resp(adapter, cmd);
4089 mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION);
4090 } else {
4091 dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n",
4092 __func__, cmd->cmd_op, cmd->type, ahw->pci_func,
4093 ahw->op_mode);
4094 clear_bit(QLC_83XX_MBX_READY, &mbx->status);
4095 qlcnic_dump_mailbox_registers(adapter);
4096 qlcnic_83xx_get_mbx_data(adapter, cmd);
4097 qlcnic_dump_mbx(adapter, cmd);
4098 qlcnic_83xx_idc_request_reset(adapter,
4099 QLCNIC_FORCE_FW_DUMP_KEY);
4100 cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT;
4101 }
4102 mbx_ops->dequeue_cmd(adapter, cmd);
4103 }
4104 }
4105
4106 static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = {
4107 .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd,
4108 .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd,
4109 .decode_resp = qlcnic_83xx_decode_mbx_rsp,
4110 .encode_cmd = qlcnic_83xx_encode_mbx_cmd,
4111 .nofity_fw = qlcnic_83xx_signal_mbx_cmd,
4112 };
4113
qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter * adapter)4114 int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter)
4115 {
4116 struct qlcnic_hardware_context *ahw = adapter->ahw;
4117 struct qlcnic_mailbox *mbx;
4118
4119 ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL);
4120 if (!ahw->mailbox)
4121 return -ENOMEM;
4122
4123 mbx = ahw->mailbox;
4124 mbx->ops = &qlcnic_83xx_mbx_ops;
4125 mbx->adapter = adapter;
4126
4127 spin_lock_init(&mbx->queue_lock);
4128 spin_lock_init(&mbx->aen_lock);
4129 INIT_LIST_HEAD(&mbx->cmd_q);
4130 init_completion(&mbx->completion);
4131
4132 mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox");
4133 if (mbx->work_q == NULL) {
4134 kfree(mbx);
4135 return -ENOMEM;
4136 }
4137
4138 INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker);
4139 set_bit(QLC_83XX_MBX_READY, &mbx->status);
4140 return 0;
4141 }
4142
qlcnic_83xx_io_error_detected(struct pci_dev * pdev,pci_channel_state_t state)4143 static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev,
4144 pci_channel_state_t state)
4145 {
4146 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4147
4148 if (state == pci_channel_io_perm_failure)
4149 return PCI_ERS_RESULT_DISCONNECT;
4150
4151 if (state == pci_channel_io_normal)
4152 return PCI_ERS_RESULT_RECOVERED;
4153
4154 set_bit(__QLCNIC_AER, &adapter->state);
4155 set_bit(__QLCNIC_RESETTING, &adapter->state);
4156
4157 qlcnic_83xx_aer_stop_poll_work(adapter);
4158
4159 pci_save_state(pdev);
4160 pci_disable_device(pdev);
4161
4162 return PCI_ERS_RESULT_NEED_RESET;
4163 }
4164
qlcnic_83xx_io_slot_reset(struct pci_dev * pdev)4165 static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev)
4166 {
4167 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4168 int err = 0;
4169
4170 pdev->error_state = pci_channel_io_normal;
4171 err = pci_enable_device(pdev);
4172 if (err)
4173 goto disconnect;
4174
4175 pci_set_power_state(pdev, PCI_D0);
4176 pci_set_master(pdev);
4177 pci_restore_state(pdev);
4178
4179 err = qlcnic_83xx_aer_reset(adapter);
4180 if (err == 0)
4181 return PCI_ERS_RESULT_RECOVERED;
4182 disconnect:
4183 clear_bit(__QLCNIC_AER, &adapter->state);
4184 clear_bit(__QLCNIC_RESETTING, &adapter->state);
4185 return PCI_ERS_RESULT_DISCONNECT;
4186 }
4187
qlcnic_83xx_io_resume(struct pci_dev * pdev)4188 static void qlcnic_83xx_io_resume(struct pci_dev *pdev)
4189 {
4190 struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
4191
4192 pci_cleanup_aer_uncorrect_error_status(pdev);
4193 if (test_and_clear_bit(__QLCNIC_AER, &adapter->state))
4194 qlcnic_83xx_aer_start_poll_work(adapter);
4195 }
4196