qed_main.c 36 KB

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  1. /* QLogic qed NIC Driver
  2. * Copyright (c) 2015 QLogic Corporation
  3. *
  4. * This software is available under the terms of the GNU General Public License
  5. * (GPL) Version 2, available from the file COPYING in the main directory of
  6. * this source tree.
  7. */
  8. #include <linux/stddef.h>
  9. #include <linux/pci.h>
  10. #include <linux/kernel.h>
  11. #include <linux/slab.h>
  12. #include <linux/version.h>
  13. #include <linux/delay.h>
  14. #include <asm/byteorder.h>
  15. #include <linux/dma-mapping.h>
  16. #include <linux/string.h>
  17. #include <linux/module.h>
  18. #include <linux/interrupt.h>
  19. #include <linux/workqueue.h>
  20. #include <linux/ethtool.h>
  21. #include <linux/etherdevice.h>
  22. #include <linux/vmalloc.h>
  23. #include <linux/qed/qed_if.h>
  24. #include <linux/qed/qed_ll2_if.h>
  25. #include "qed.h"
  26. #include "qed_sriov.h"
  27. #include "qed_sp.h"
  28. #include "qed_dev_api.h"
  29. #include "qed_ll2.h"
  30. #include "qed_mcp.h"
  31. #include "qed_hw.h"
  32. #include "qed_selftest.h"
  33. #define QED_ROCE_QPS (8192)
  34. #define QED_ROCE_DPIS (8)
  35. static char version[] =
  36. "QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
  37. MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Core Module");
  38. MODULE_LICENSE("GPL");
  39. MODULE_VERSION(DRV_MODULE_VERSION);
  40. #define FW_FILE_VERSION \
  41. __stringify(FW_MAJOR_VERSION) "." \
  42. __stringify(FW_MINOR_VERSION) "." \
  43. __stringify(FW_REVISION_VERSION) "." \
  44. __stringify(FW_ENGINEERING_VERSION)
  45. #define QED_FW_FILE_NAME \
  46. "qed/qed_init_values_zipped-" FW_FILE_VERSION ".bin"
  47. MODULE_FIRMWARE(QED_FW_FILE_NAME);
  48. static int __init qed_init(void)
  49. {
  50. pr_info("%s", version);
  51. return 0;
  52. }
  53. static void __exit qed_cleanup(void)
  54. {
  55. pr_notice("qed_cleanup called\n");
  56. }
  57. module_init(qed_init);
  58. module_exit(qed_cleanup);
  59. /* Check if the DMA controller on the machine can properly handle the DMA
  60. * addressing required by the device.
  61. */
  62. static int qed_set_coherency_mask(struct qed_dev *cdev)
  63. {
  64. struct device *dev = &cdev->pdev->dev;
  65. if (dma_set_mask(dev, DMA_BIT_MASK(64)) == 0) {
  66. if (dma_set_coherent_mask(dev, DMA_BIT_MASK(64)) != 0) {
  67. DP_NOTICE(cdev,
  68. "Can't request 64-bit consistent allocations\n");
  69. return -EIO;
  70. }
  71. } else if (dma_set_mask(dev, DMA_BIT_MASK(32)) != 0) {
  72. DP_NOTICE(cdev, "Can't request 64b/32b DMA addresses\n");
  73. return -EIO;
  74. }
  75. return 0;
  76. }
  77. static void qed_free_pci(struct qed_dev *cdev)
  78. {
  79. struct pci_dev *pdev = cdev->pdev;
  80. if (cdev->doorbells)
  81. iounmap(cdev->doorbells);
  82. if (cdev->regview)
  83. iounmap(cdev->regview);
  84. if (atomic_read(&pdev->enable_cnt) == 1)
  85. pci_release_regions(pdev);
  86. pci_disable_device(pdev);
  87. }
  88. #define PCI_REVISION_ID_ERROR_VAL 0xff
  89. /* Performs PCI initializations as well as initializing PCI-related parameters
  90. * in the device structrue. Returns 0 in case of success.
  91. */
  92. static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
  93. {
  94. u8 rev_id;
  95. int rc;
  96. cdev->pdev = pdev;
  97. rc = pci_enable_device(pdev);
  98. if (rc) {
  99. DP_NOTICE(cdev, "Cannot enable PCI device\n");
  100. goto err0;
  101. }
  102. if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
  103. DP_NOTICE(cdev, "No memory region found in bar #0\n");
  104. rc = -EIO;
  105. goto err1;
  106. }
  107. if (IS_PF(cdev) && !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
  108. DP_NOTICE(cdev, "No memory region found in bar #2\n");
  109. rc = -EIO;
  110. goto err1;
  111. }
  112. if (atomic_read(&pdev->enable_cnt) == 1) {
  113. rc = pci_request_regions(pdev, "qed");
  114. if (rc) {
  115. DP_NOTICE(cdev,
  116. "Failed to request PCI memory resources\n");
  117. goto err1;
  118. }
  119. pci_set_master(pdev);
  120. pci_save_state(pdev);
  121. }
  122. pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
  123. if (rev_id == PCI_REVISION_ID_ERROR_VAL) {
  124. DP_NOTICE(cdev,
  125. "Detected PCI device error [rev_id 0x%x]. Probably due to prior indication. Aborting.\n",
  126. rev_id);
  127. rc = -ENODEV;
  128. goto err2;
  129. }
  130. if (!pci_is_pcie(pdev)) {
  131. DP_NOTICE(cdev, "The bus is not PCI Express\n");
  132. rc = -EIO;
  133. goto err2;
  134. }
  135. cdev->pci_params.pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
  136. if (IS_PF(cdev) && !cdev->pci_params.pm_cap)
  137. DP_NOTICE(cdev, "Cannot find power management capability\n");
  138. rc = qed_set_coherency_mask(cdev);
  139. if (rc)
  140. goto err2;
  141. cdev->pci_params.mem_start = pci_resource_start(pdev, 0);
  142. cdev->pci_params.mem_end = pci_resource_end(pdev, 0);
  143. cdev->pci_params.irq = pdev->irq;
  144. cdev->regview = pci_ioremap_bar(pdev, 0);
  145. if (!cdev->regview) {
  146. DP_NOTICE(cdev, "Cannot map register space, aborting\n");
  147. rc = -ENOMEM;
  148. goto err2;
  149. }
  150. if (IS_PF(cdev)) {
  151. cdev->db_phys_addr = pci_resource_start(cdev->pdev, 2);
  152. cdev->db_size = pci_resource_len(cdev->pdev, 2);
  153. cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size);
  154. if (!cdev->doorbells) {
  155. DP_NOTICE(cdev, "Cannot map doorbell space\n");
  156. return -ENOMEM;
  157. }
  158. }
  159. return 0;
  160. err2:
  161. pci_release_regions(pdev);
  162. err1:
  163. pci_disable_device(pdev);
  164. err0:
  165. return rc;
  166. }
  167. int qed_fill_dev_info(struct qed_dev *cdev,
  168. struct qed_dev_info *dev_info)
  169. {
  170. struct qed_ptt *ptt;
  171. memset(dev_info, 0, sizeof(struct qed_dev_info));
  172. dev_info->num_hwfns = cdev->num_hwfns;
  173. dev_info->pci_mem_start = cdev->pci_params.mem_start;
  174. dev_info->pci_mem_end = cdev->pci_params.mem_end;
  175. dev_info->pci_irq = cdev->pci_params.irq;
  176. dev_info->rdma_supported = (cdev->hwfns[0].hw_info.personality ==
  177. QED_PCI_ETH_ROCE);
  178. dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
  179. ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
  180. if (IS_PF(cdev)) {
  181. dev_info->fw_major = FW_MAJOR_VERSION;
  182. dev_info->fw_minor = FW_MINOR_VERSION;
  183. dev_info->fw_rev = FW_REVISION_VERSION;
  184. dev_info->fw_eng = FW_ENGINEERING_VERSION;
  185. dev_info->mf_mode = cdev->mf_mode;
  186. dev_info->tx_switching = true;
  187. } else {
  188. qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
  189. &dev_info->fw_minor, &dev_info->fw_rev,
  190. &dev_info->fw_eng);
  191. }
  192. if (IS_PF(cdev)) {
  193. ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev));
  194. if (ptt) {
  195. qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), ptt,
  196. &dev_info->mfw_rev, NULL);
  197. qed_mcp_get_flash_size(QED_LEADING_HWFN(cdev), ptt,
  198. &dev_info->flash_size);
  199. qed_ptt_release(QED_LEADING_HWFN(cdev), ptt);
  200. }
  201. } else {
  202. qed_mcp_get_mfw_ver(QED_LEADING_HWFN(cdev), NULL,
  203. &dev_info->mfw_rev, NULL);
  204. }
  205. return 0;
  206. }
  207. static void qed_free_cdev(struct qed_dev *cdev)
  208. {
  209. kfree((void *)cdev);
  210. }
  211. static struct qed_dev *qed_alloc_cdev(struct pci_dev *pdev)
  212. {
  213. struct qed_dev *cdev;
  214. cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
  215. if (!cdev)
  216. return cdev;
  217. qed_init_struct(cdev);
  218. return cdev;
  219. }
  220. /* Sets the requested power state */
  221. static int qed_set_power_state(struct qed_dev *cdev, pci_power_t state)
  222. {
  223. if (!cdev)
  224. return -ENODEV;
  225. DP_VERBOSE(cdev, NETIF_MSG_DRV, "Omitting Power state change\n");
  226. return 0;
  227. }
  228. /* probing */
  229. static struct qed_dev *qed_probe(struct pci_dev *pdev,
  230. struct qed_probe_params *params)
  231. {
  232. struct qed_dev *cdev;
  233. int rc;
  234. cdev = qed_alloc_cdev(pdev);
  235. if (!cdev)
  236. goto err0;
  237. cdev->protocol = params->protocol;
  238. if (params->is_vf)
  239. cdev->b_is_vf = true;
  240. qed_init_dp(cdev, params->dp_module, params->dp_level);
  241. rc = qed_init_pci(cdev, pdev);
  242. if (rc) {
  243. DP_ERR(cdev, "init pci failed\n");
  244. goto err1;
  245. }
  246. DP_INFO(cdev, "PCI init completed successfully\n");
  247. rc = qed_hw_prepare(cdev, QED_PCI_DEFAULT);
  248. if (rc) {
  249. DP_ERR(cdev, "hw prepare failed\n");
  250. goto err2;
  251. }
  252. DP_INFO(cdev, "qed_probe completed successffuly\n");
  253. return cdev;
  254. err2:
  255. qed_free_pci(cdev);
  256. err1:
  257. qed_free_cdev(cdev);
  258. err0:
  259. return NULL;
  260. }
  261. static void qed_remove(struct qed_dev *cdev)
  262. {
  263. if (!cdev)
  264. return;
  265. qed_hw_remove(cdev);
  266. qed_free_pci(cdev);
  267. qed_set_power_state(cdev, PCI_D3hot);
  268. qed_free_cdev(cdev);
  269. }
  270. static void qed_disable_msix(struct qed_dev *cdev)
  271. {
  272. if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
  273. pci_disable_msix(cdev->pdev);
  274. kfree(cdev->int_params.msix_table);
  275. } else if (cdev->int_params.out.int_mode == QED_INT_MODE_MSI) {
  276. pci_disable_msi(cdev->pdev);
  277. }
  278. memset(&cdev->int_params.out, 0, sizeof(struct qed_int_param));
  279. }
  280. static int qed_enable_msix(struct qed_dev *cdev,
  281. struct qed_int_params *int_params)
  282. {
  283. int i, rc, cnt;
  284. cnt = int_params->in.num_vectors;
  285. for (i = 0; i < cnt; i++)
  286. int_params->msix_table[i].entry = i;
  287. rc = pci_enable_msix_range(cdev->pdev, int_params->msix_table,
  288. int_params->in.min_msix_cnt, cnt);
  289. if (rc < cnt && rc >= int_params->in.min_msix_cnt &&
  290. (rc % cdev->num_hwfns)) {
  291. pci_disable_msix(cdev->pdev);
  292. /* If fastpath is initialized, we need at least one interrupt
  293. * per hwfn [and the slow path interrupts]. New requested number
  294. * should be a multiple of the number of hwfns.
  295. */
  296. cnt = (rc / cdev->num_hwfns) * cdev->num_hwfns;
  297. DP_NOTICE(cdev,
  298. "Trying to enable MSI-X with less vectors (%d out of %d)\n",
  299. cnt, int_params->in.num_vectors);
  300. rc = pci_enable_msix_exact(cdev->pdev, int_params->msix_table,
  301. cnt);
  302. if (!rc)
  303. rc = cnt;
  304. }
  305. if (rc > 0) {
  306. /* MSI-x configuration was achieved */
  307. int_params->out.int_mode = QED_INT_MODE_MSIX;
  308. int_params->out.num_vectors = rc;
  309. rc = 0;
  310. } else {
  311. DP_NOTICE(cdev,
  312. "Failed to enable MSI-X [Requested %d vectors][rc %d]\n",
  313. cnt, rc);
  314. }
  315. return rc;
  316. }
  317. /* This function outputs the int mode and the number of enabled msix vector */
  318. static int qed_set_int_mode(struct qed_dev *cdev, bool force_mode)
  319. {
  320. struct qed_int_params *int_params = &cdev->int_params;
  321. struct msix_entry *tbl;
  322. int rc = 0, cnt;
  323. switch (int_params->in.int_mode) {
  324. case QED_INT_MODE_MSIX:
  325. /* Allocate MSIX table */
  326. cnt = int_params->in.num_vectors;
  327. int_params->msix_table = kcalloc(cnt, sizeof(*tbl), GFP_KERNEL);
  328. if (!int_params->msix_table) {
  329. rc = -ENOMEM;
  330. goto out;
  331. }
  332. /* Enable MSIX */
  333. rc = qed_enable_msix(cdev, int_params);
  334. if (!rc)
  335. goto out;
  336. DP_NOTICE(cdev, "Failed to enable MSI-X\n");
  337. kfree(int_params->msix_table);
  338. if (force_mode)
  339. goto out;
  340. /* Fallthrough */
  341. case QED_INT_MODE_MSI:
  342. if (cdev->num_hwfns == 1) {
  343. rc = pci_enable_msi(cdev->pdev);
  344. if (!rc) {
  345. int_params->out.int_mode = QED_INT_MODE_MSI;
  346. goto out;
  347. }
  348. DP_NOTICE(cdev, "Failed to enable MSI\n");
  349. if (force_mode)
  350. goto out;
  351. }
  352. /* Fallthrough */
  353. case QED_INT_MODE_INTA:
  354. int_params->out.int_mode = QED_INT_MODE_INTA;
  355. rc = 0;
  356. goto out;
  357. default:
  358. DP_NOTICE(cdev, "Unknown int_mode value %d\n",
  359. int_params->in.int_mode);
  360. rc = -EINVAL;
  361. }
  362. out:
  363. if (!rc)
  364. DP_INFO(cdev, "Using %s interrupts\n",
  365. int_params->out.int_mode == QED_INT_MODE_INTA ?
  366. "INTa" : int_params->out.int_mode == QED_INT_MODE_MSI ?
  367. "MSI" : "MSIX");
  368. cdev->int_coalescing_mode = QED_COAL_MODE_ENABLE;
  369. return rc;
  370. }
  371. static void qed_simd_handler_config(struct qed_dev *cdev, void *token,
  372. int index, void(*handler)(void *))
  373. {
  374. struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
  375. int relative_idx = index / cdev->num_hwfns;
  376. hwfn->simd_proto_handler[relative_idx].func = handler;
  377. hwfn->simd_proto_handler[relative_idx].token = token;
  378. }
  379. static void qed_simd_handler_clean(struct qed_dev *cdev, int index)
  380. {
  381. struct qed_hwfn *hwfn = &cdev->hwfns[index % cdev->num_hwfns];
  382. int relative_idx = index / cdev->num_hwfns;
  383. memset(&hwfn->simd_proto_handler[relative_idx], 0,
  384. sizeof(struct qed_simd_fp_handler));
  385. }
  386. static irqreturn_t qed_msix_sp_int(int irq, void *tasklet)
  387. {
  388. tasklet_schedule((struct tasklet_struct *)tasklet);
  389. return IRQ_HANDLED;
  390. }
  391. static irqreturn_t qed_single_int(int irq, void *dev_instance)
  392. {
  393. struct qed_dev *cdev = (struct qed_dev *)dev_instance;
  394. struct qed_hwfn *hwfn;
  395. irqreturn_t rc = IRQ_NONE;
  396. u64 status;
  397. int i, j;
  398. for (i = 0; i < cdev->num_hwfns; i++) {
  399. status = qed_int_igu_read_sisr_reg(&cdev->hwfns[i]);
  400. if (!status)
  401. continue;
  402. hwfn = &cdev->hwfns[i];
  403. /* Slowpath interrupt */
  404. if (unlikely(status & 0x1)) {
  405. tasklet_schedule(hwfn->sp_dpc);
  406. status &= ~0x1;
  407. rc = IRQ_HANDLED;
  408. }
  409. /* Fastpath interrupts */
  410. for (j = 0; j < 64; j++) {
  411. if ((0x2ULL << j) & status) {
  412. hwfn->simd_proto_handler[j].func(
  413. hwfn->simd_proto_handler[j].token);
  414. status &= ~(0x2ULL << j);
  415. rc = IRQ_HANDLED;
  416. }
  417. }
  418. if (unlikely(status))
  419. DP_VERBOSE(hwfn, NETIF_MSG_INTR,
  420. "got an unknown interrupt status 0x%llx\n",
  421. status);
  422. }
  423. return rc;
  424. }
  425. int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
  426. {
  427. struct qed_dev *cdev = hwfn->cdev;
  428. u32 int_mode;
  429. int rc = 0;
  430. u8 id;
  431. int_mode = cdev->int_params.out.int_mode;
  432. if (int_mode == QED_INT_MODE_MSIX) {
  433. id = hwfn->my_id;
  434. snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
  435. id, cdev->pdev->bus->number,
  436. PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
  437. rc = request_irq(cdev->int_params.msix_table[id].vector,
  438. qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
  439. } else {
  440. unsigned long flags = 0;
  441. snprintf(cdev->name, NAME_SIZE, "%02x:%02x.%02x",
  442. cdev->pdev->bus->number, PCI_SLOT(cdev->pdev->devfn),
  443. PCI_FUNC(cdev->pdev->devfn));
  444. if (cdev->int_params.out.int_mode == QED_INT_MODE_INTA)
  445. flags |= IRQF_SHARED;
  446. rc = request_irq(cdev->pdev->irq, qed_single_int,
  447. flags, cdev->name, cdev);
  448. }
  449. if (rc)
  450. DP_NOTICE(cdev, "request_irq failed, rc = %d\n", rc);
  451. else
  452. DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
  453. "Requested slowpath %s\n",
  454. (int_mode == QED_INT_MODE_MSIX) ? "MSI-X" : "IRQ");
  455. return rc;
  456. }
  457. static void qed_slowpath_irq_free(struct qed_dev *cdev)
  458. {
  459. int i;
  460. if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
  461. for_each_hwfn(cdev, i) {
  462. if (!cdev->hwfns[i].b_int_requested)
  463. break;
  464. synchronize_irq(cdev->int_params.msix_table[i].vector);
  465. free_irq(cdev->int_params.msix_table[i].vector,
  466. cdev->hwfns[i].sp_dpc);
  467. }
  468. } else {
  469. if (QED_LEADING_HWFN(cdev)->b_int_requested)
  470. free_irq(cdev->pdev->irq, cdev);
  471. }
  472. qed_int_disable_post_isr_release(cdev);
  473. }
  474. static int qed_nic_stop(struct qed_dev *cdev)
  475. {
  476. int i, rc;
  477. rc = qed_hw_stop(cdev);
  478. for (i = 0; i < cdev->num_hwfns; i++) {
  479. struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
  480. if (p_hwfn->b_sp_dpc_enabled) {
  481. tasklet_disable(p_hwfn->sp_dpc);
  482. p_hwfn->b_sp_dpc_enabled = false;
  483. DP_VERBOSE(cdev, NETIF_MSG_IFDOWN,
  484. "Disabled sp taskelt [hwfn %d] at %p\n",
  485. i, p_hwfn->sp_dpc);
  486. }
  487. }
  488. qed_dbg_pf_exit(cdev);
  489. return rc;
  490. }
  491. static int qed_nic_reset(struct qed_dev *cdev)
  492. {
  493. int rc;
  494. rc = qed_hw_reset(cdev);
  495. if (rc)
  496. return rc;
  497. qed_resc_free(cdev);
  498. return 0;
  499. }
  500. static int qed_nic_setup(struct qed_dev *cdev)
  501. {
  502. int rc, i;
  503. /* Determine if interface is going to require LL2 */
  504. if (QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH) {
  505. for (i = 0; i < cdev->num_hwfns; i++) {
  506. struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
  507. p_hwfn->using_ll2 = true;
  508. }
  509. }
  510. rc = qed_resc_alloc(cdev);
  511. if (rc)
  512. return rc;
  513. DP_INFO(cdev, "Allocated qed resources\n");
  514. qed_resc_setup(cdev);
  515. return rc;
  516. }
  517. static int qed_set_int_fp(struct qed_dev *cdev, u16 cnt)
  518. {
  519. int limit = 0;
  520. /* Mark the fastpath as free/used */
  521. cdev->int_params.fp_initialized = cnt ? true : false;
  522. if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX)
  523. limit = cdev->num_hwfns * 63;
  524. else if (cdev->int_params.fp_msix_cnt)
  525. limit = cdev->int_params.fp_msix_cnt;
  526. if (!limit)
  527. return -ENOMEM;
  528. return min_t(int, cnt, limit);
  529. }
  530. static int qed_get_int_fp(struct qed_dev *cdev, struct qed_int_info *info)
  531. {
  532. memset(info, 0, sizeof(struct qed_int_info));
  533. if (!cdev->int_params.fp_initialized) {
  534. DP_INFO(cdev,
  535. "Protocol driver requested interrupt information, but its support is not yet configured\n");
  536. return -EINVAL;
  537. }
  538. /* Need to expose only MSI-X information; Single IRQ is handled solely
  539. * by qed.
  540. */
  541. if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
  542. int msix_base = cdev->int_params.fp_msix_base;
  543. info->msix_cnt = cdev->int_params.fp_msix_cnt;
  544. info->msix = &cdev->int_params.msix_table[msix_base];
  545. }
  546. return 0;
  547. }
  548. static int qed_slowpath_setup_int(struct qed_dev *cdev,
  549. enum qed_int_mode int_mode)
  550. {
  551. struct qed_sb_cnt_info sb_cnt_info;
  552. int num_l2_queues = 0;
  553. int rc;
  554. int i;
  555. if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
  556. DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
  557. return -EINVAL;
  558. }
  559. memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
  560. cdev->int_params.in.int_mode = int_mode;
  561. for_each_hwfn(cdev, i) {
  562. memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
  563. qed_int_get_num_sbs(&cdev->hwfns[i], &sb_cnt_info);
  564. cdev->int_params.in.num_vectors += sb_cnt_info.sb_cnt;
  565. cdev->int_params.in.num_vectors++; /* slowpath */
  566. }
  567. /* We want a minimum of one slowpath and one fastpath vector per hwfn */
  568. cdev->int_params.in.min_msix_cnt = cdev->num_hwfns * 2;
  569. rc = qed_set_int_mode(cdev, false);
  570. if (rc) {
  571. DP_ERR(cdev, "qed_slowpath_setup_int ERR\n");
  572. return rc;
  573. }
  574. cdev->int_params.fp_msix_base = cdev->num_hwfns;
  575. cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
  576. cdev->num_hwfns;
  577. if (!IS_ENABLED(CONFIG_QED_RDMA))
  578. return 0;
  579. for_each_hwfn(cdev, i)
  580. num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
  581. DP_VERBOSE(cdev, QED_MSG_RDMA,
  582. "cdev->int_params.fp_msix_cnt=%d num_l2_queues=%d\n",
  583. cdev->int_params.fp_msix_cnt, num_l2_queues);
  584. if (cdev->int_params.fp_msix_cnt > num_l2_queues) {
  585. cdev->int_params.rdma_msix_cnt =
  586. (cdev->int_params.fp_msix_cnt - num_l2_queues)
  587. / cdev->num_hwfns;
  588. cdev->int_params.rdma_msix_base =
  589. cdev->int_params.fp_msix_base + num_l2_queues;
  590. cdev->int_params.fp_msix_cnt = num_l2_queues;
  591. } else {
  592. cdev->int_params.rdma_msix_cnt = 0;
  593. }
  594. DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
  595. cdev->int_params.rdma_msix_cnt,
  596. cdev->int_params.rdma_msix_base);
  597. return 0;
  598. }
  599. static int qed_slowpath_vf_setup_int(struct qed_dev *cdev)
  600. {
  601. int rc;
  602. memset(&cdev->int_params, 0, sizeof(struct qed_int_params));
  603. cdev->int_params.in.int_mode = QED_INT_MODE_MSIX;
  604. qed_vf_get_num_rxqs(QED_LEADING_HWFN(cdev),
  605. &cdev->int_params.in.num_vectors);
  606. if (cdev->num_hwfns > 1) {
  607. u8 vectors = 0;
  608. qed_vf_get_num_rxqs(&cdev->hwfns[1], &vectors);
  609. cdev->int_params.in.num_vectors += vectors;
  610. }
  611. /* We want a minimum of one fastpath vector per vf hwfn */
  612. cdev->int_params.in.min_msix_cnt = cdev->num_hwfns;
  613. rc = qed_set_int_mode(cdev, true);
  614. if (rc)
  615. return rc;
  616. cdev->int_params.fp_msix_base = 0;
  617. cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors;
  618. return 0;
  619. }
  620. u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len,
  621. u8 *input_buf, u32 max_size, u8 *unzip_buf)
  622. {
  623. int rc;
  624. p_hwfn->stream->next_in = input_buf;
  625. p_hwfn->stream->avail_in = input_len;
  626. p_hwfn->stream->next_out = unzip_buf;
  627. p_hwfn->stream->avail_out = max_size;
  628. rc = zlib_inflateInit2(p_hwfn->stream, MAX_WBITS);
  629. if (rc != Z_OK) {
  630. DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "zlib init failed, rc = %d\n",
  631. rc);
  632. return 0;
  633. }
  634. rc = zlib_inflate(p_hwfn->stream, Z_FINISH);
  635. zlib_inflateEnd(p_hwfn->stream);
  636. if (rc != Z_OK && rc != Z_STREAM_END) {
  637. DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, "FW unzip error: %s, rc=%d\n",
  638. p_hwfn->stream->msg, rc);
  639. return 0;
  640. }
  641. return p_hwfn->stream->total_out / 4;
  642. }
  643. static int qed_alloc_stream_mem(struct qed_dev *cdev)
  644. {
  645. int i;
  646. void *workspace;
  647. for_each_hwfn(cdev, i) {
  648. struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
  649. p_hwfn->stream = kzalloc(sizeof(*p_hwfn->stream), GFP_KERNEL);
  650. if (!p_hwfn->stream)
  651. return -ENOMEM;
  652. workspace = vzalloc(zlib_inflate_workspacesize());
  653. if (!workspace)
  654. return -ENOMEM;
  655. p_hwfn->stream->workspace = workspace;
  656. }
  657. return 0;
  658. }
  659. static void qed_free_stream_mem(struct qed_dev *cdev)
  660. {
  661. int i;
  662. for_each_hwfn(cdev, i) {
  663. struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
  664. if (!p_hwfn->stream)
  665. return;
  666. vfree(p_hwfn->stream->workspace);
  667. kfree(p_hwfn->stream);
  668. }
  669. }
  670. static void qed_update_pf_params(struct qed_dev *cdev,
  671. struct qed_pf_params *params)
  672. {
  673. int i;
  674. if (IS_ENABLED(CONFIG_QED_RDMA)) {
  675. params->rdma_pf_params.num_qps = QED_ROCE_QPS;
  676. params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
  677. /* divide by 3 the MRs to avoid MF ILT overflow */
  678. params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
  679. params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
  680. }
  681. for (i = 0; i < cdev->num_hwfns; i++) {
  682. struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
  683. p_hwfn->pf_params = *params;
  684. }
  685. }
  686. static int qed_slowpath_start(struct qed_dev *cdev,
  687. struct qed_slowpath_params *params)
  688. {
  689. struct qed_tunn_start_params tunn_info;
  690. struct qed_mcp_drv_version drv_version;
  691. const u8 *data = NULL;
  692. struct qed_hwfn *hwfn;
  693. int rc = -EINVAL;
  694. if (qed_iov_wq_start(cdev))
  695. goto err;
  696. if (IS_PF(cdev)) {
  697. rc = request_firmware(&cdev->firmware, QED_FW_FILE_NAME,
  698. &cdev->pdev->dev);
  699. if (rc) {
  700. DP_NOTICE(cdev,
  701. "Failed to find fw file - /lib/firmware/%s\n",
  702. QED_FW_FILE_NAME);
  703. goto err;
  704. }
  705. }
  706. cdev->rx_coalesce_usecs = QED_DEFAULT_RX_USECS;
  707. rc = qed_nic_setup(cdev);
  708. if (rc)
  709. goto err;
  710. if (IS_PF(cdev))
  711. rc = qed_slowpath_setup_int(cdev, params->int_mode);
  712. else
  713. rc = qed_slowpath_vf_setup_int(cdev);
  714. if (rc)
  715. goto err1;
  716. if (IS_PF(cdev)) {
  717. /* Allocate stream for unzipping */
  718. rc = qed_alloc_stream_mem(cdev);
  719. if (rc)
  720. goto err2;
  721. /* First Dword used to diffrentiate between various sources */
  722. data = cdev->firmware->data + sizeof(u32);
  723. qed_dbg_pf_init(cdev);
  724. }
  725. memset(&tunn_info, 0, sizeof(tunn_info));
  726. tunn_info.tunn_mode |= 1 << QED_MODE_VXLAN_TUNN |
  727. 1 << QED_MODE_L2GRE_TUNN |
  728. 1 << QED_MODE_IPGRE_TUNN |
  729. 1 << QED_MODE_L2GENEVE_TUNN |
  730. 1 << QED_MODE_IPGENEVE_TUNN;
  731. tunn_info.tunn_clss_vxlan = QED_TUNN_CLSS_MAC_VLAN;
  732. tunn_info.tunn_clss_l2gre = QED_TUNN_CLSS_MAC_VLAN;
  733. tunn_info.tunn_clss_ipgre = QED_TUNN_CLSS_MAC_VLAN;
  734. /* Start the slowpath */
  735. rc = qed_hw_init(cdev, &tunn_info, true,
  736. cdev->int_params.out.int_mode,
  737. true, data);
  738. if (rc)
  739. goto err2;
  740. DP_INFO(cdev,
  741. "HW initialization and function start completed successfully\n");
  742. /* Allocate LL2 interface if needed */
  743. if (QED_LEADING_HWFN(cdev)->using_ll2) {
  744. rc = qed_ll2_alloc_if(cdev);
  745. if (rc)
  746. goto err3;
  747. }
  748. if (IS_PF(cdev)) {
  749. hwfn = QED_LEADING_HWFN(cdev);
  750. drv_version.version = (params->drv_major << 24) |
  751. (params->drv_minor << 16) |
  752. (params->drv_rev << 8) |
  753. (params->drv_eng);
  754. strlcpy(drv_version.name, params->name,
  755. MCP_DRV_VER_STR_SIZE - 4);
  756. rc = qed_mcp_send_drv_version(hwfn, hwfn->p_main_ptt,
  757. &drv_version);
  758. if (rc) {
  759. DP_NOTICE(cdev, "Failed sending drv version command\n");
  760. return rc;
  761. }
  762. }
  763. qed_reset_vport_stats(cdev);
  764. return 0;
  765. err3:
  766. qed_hw_stop(cdev);
  767. err2:
  768. qed_hw_timers_stop_all(cdev);
  769. if (IS_PF(cdev))
  770. qed_slowpath_irq_free(cdev);
  771. qed_free_stream_mem(cdev);
  772. qed_disable_msix(cdev);
  773. err1:
  774. qed_resc_free(cdev);
  775. err:
  776. if (IS_PF(cdev))
  777. release_firmware(cdev->firmware);
  778. qed_iov_wq_stop(cdev, false);
  779. return rc;
  780. }
  781. static int qed_slowpath_stop(struct qed_dev *cdev)
  782. {
  783. if (!cdev)
  784. return -ENODEV;
  785. qed_ll2_dealloc_if(cdev);
  786. if (IS_PF(cdev)) {
  787. qed_free_stream_mem(cdev);
  788. if (IS_QED_ETH_IF(cdev))
  789. qed_sriov_disable(cdev, true);
  790. qed_nic_stop(cdev);
  791. qed_slowpath_irq_free(cdev);
  792. }
  793. qed_disable_msix(cdev);
  794. qed_nic_reset(cdev);
  795. qed_iov_wq_stop(cdev, true);
  796. if (IS_PF(cdev))
  797. release_firmware(cdev->firmware);
  798. return 0;
  799. }
  800. static void qed_set_id(struct qed_dev *cdev, char name[NAME_SIZE],
  801. char ver_str[VER_SIZE])
  802. {
  803. int i;
  804. memcpy(cdev->name, name, NAME_SIZE);
  805. for_each_hwfn(cdev, i)
  806. snprintf(cdev->hwfns[i].name, NAME_SIZE, "%s-%d", name, i);
  807. memcpy(cdev->ver_str, ver_str, VER_SIZE);
  808. cdev->drv_type = DRV_ID_DRV_TYPE_LINUX;
  809. }
  810. static u32 qed_sb_init(struct qed_dev *cdev,
  811. struct qed_sb_info *sb_info,
  812. void *sb_virt_addr,
  813. dma_addr_t sb_phy_addr, u16 sb_id,
  814. enum qed_sb_type type)
  815. {
  816. struct qed_hwfn *p_hwfn;
  817. int hwfn_index;
  818. u16 rel_sb_id;
  819. u8 n_hwfns;
  820. u32 rc;
  821. /* RoCE uses single engine and CMT uses two engines. When using both
  822. * we force only a single engine. Storage uses only engine 0 too.
  823. */
  824. if (type == QED_SB_TYPE_L2_QUEUE)
  825. n_hwfns = cdev->num_hwfns;
  826. else
  827. n_hwfns = 1;
  828. hwfn_index = sb_id % n_hwfns;
  829. p_hwfn = &cdev->hwfns[hwfn_index];
  830. rel_sb_id = sb_id / n_hwfns;
  831. DP_VERBOSE(cdev, NETIF_MSG_INTR,
  832. "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
  833. hwfn_index, rel_sb_id, sb_id);
  834. rc = qed_int_sb_init(p_hwfn, p_hwfn->p_main_ptt, sb_info,
  835. sb_virt_addr, sb_phy_addr, rel_sb_id);
  836. return rc;
  837. }
  838. static u32 qed_sb_release(struct qed_dev *cdev,
  839. struct qed_sb_info *sb_info, u16 sb_id)
  840. {
  841. struct qed_hwfn *p_hwfn;
  842. int hwfn_index;
  843. u16 rel_sb_id;
  844. u32 rc;
  845. hwfn_index = sb_id % cdev->num_hwfns;
  846. p_hwfn = &cdev->hwfns[hwfn_index];
  847. rel_sb_id = sb_id / cdev->num_hwfns;
  848. DP_VERBOSE(cdev, NETIF_MSG_INTR,
  849. "hwfn [%d] <--[init]-- SB %04x [0x%04x upper]\n",
  850. hwfn_index, rel_sb_id, sb_id);
  851. rc = qed_int_sb_release(p_hwfn, sb_info, rel_sb_id);
  852. return rc;
  853. }
  854. static bool qed_can_link_change(struct qed_dev *cdev)
  855. {
  856. return true;
  857. }
  858. static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
  859. {
  860. struct qed_hwfn *hwfn;
  861. struct qed_mcp_link_params *link_params;
  862. struct qed_ptt *ptt;
  863. int rc;
  864. if (!cdev)
  865. return -ENODEV;
  866. if (IS_VF(cdev))
  867. return 0;
  868. /* The link should be set only once per PF */
  869. hwfn = &cdev->hwfns[0];
  870. ptt = qed_ptt_acquire(hwfn);
  871. if (!ptt)
  872. return -EBUSY;
  873. link_params = qed_mcp_get_link_params(hwfn);
  874. if (params->override_flags & QED_LINK_OVERRIDE_SPEED_AUTONEG)
  875. link_params->speed.autoneg = params->autoneg;
  876. if (params->override_flags & QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS) {
  877. link_params->speed.advertised_speeds = 0;
  878. if ((params->adv_speeds & QED_LM_1000baseT_Half_BIT) ||
  879. (params->adv_speeds & QED_LM_1000baseT_Full_BIT))
  880. link_params->speed.advertised_speeds |=
  881. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G;
  882. if (params->adv_speeds & QED_LM_10000baseKR_Full_BIT)
  883. link_params->speed.advertised_speeds |=
  884. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
  885. if (params->adv_speeds & QED_LM_25000baseKR_Full_BIT)
  886. link_params->speed.advertised_speeds |=
  887. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
  888. if (params->adv_speeds & QED_LM_40000baseLR4_Full_BIT)
  889. link_params->speed.advertised_speeds |=
  890. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G;
  891. if (params->adv_speeds & QED_LM_50000baseKR2_Full_BIT)
  892. link_params->speed.advertised_speeds |=
  893. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G;
  894. if (params->adv_speeds & QED_LM_100000baseKR4_Full_BIT)
  895. link_params->speed.advertised_speeds |=
  896. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G;
  897. }
  898. if (params->override_flags & QED_LINK_OVERRIDE_SPEED_FORCED_SPEED)
  899. link_params->speed.forced_speed = params->forced_speed;
  900. if (params->override_flags & QED_LINK_OVERRIDE_PAUSE_CONFIG) {
  901. if (params->pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
  902. link_params->pause.autoneg = true;
  903. else
  904. link_params->pause.autoneg = false;
  905. if (params->pause_config & QED_LINK_PAUSE_RX_ENABLE)
  906. link_params->pause.forced_rx = true;
  907. else
  908. link_params->pause.forced_rx = false;
  909. if (params->pause_config & QED_LINK_PAUSE_TX_ENABLE)
  910. link_params->pause.forced_tx = true;
  911. else
  912. link_params->pause.forced_tx = false;
  913. }
  914. if (params->override_flags & QED_LINK_OVERRIDE_LOOPBACK_MODE) {
  915. switch (params->loopback_mode) {
  916. case QED_LINK_LOOPBACK_INT_PHY:
  917. link_params->loopback_mode = ETH_LOOPBACK_INT_PHY;
  918. break;
  919. case QED_LINK_LOOPBACK_EXT_PHY:
  920. link_params->loopback_mode = ETH_LOOPBACK_EXT_PHY;
  921. break;
  922. case QED_LINK_LOOPBACK_EXT:
  923. link_params->loopback_mode = ETH_LOOPBACK_EXT;
  924. break;
  925. case QED_LINK_LOOPBACK_MAC:
  926. link_params->loopback_mode = ETH_LOOPBACK_MAC;
  927. break;
  928. default:
  929. link_params->loopback_mode = ETH_LOOPBACK_NONE;
  930. break;
  931. }
  932. }
  933. rc = qed_mcp_set_link(hwfn, ptt, params->link_up);
  934. qed_ptt_release(hwfn, ptt);
  935. return rc;
  936. }
  937. static int qed_get_port_type(u32 media_type)
  938. {
  939. int port_type;
  940. switch (media_type) {
  941. case MEDIA_SFPP_10G_FIBER:
  942. case MEDIA_SFP_1G_FIBER:
  943. case MEDIA_XFP_FIBER:
  944. case MEDIA_MODULE_FIBER:
  945. case MEDIA_KR:
  946. port_type = PORT_FIBRE;
  947. break;
  948. case MEDIA_DA_TWINAX:
  949. port_type = PORT_DA;
  950. break;
  951. case MEDIA_BASE_T:
  952. port_type = PORT_TP;
  953. break;
  954. case MEDIA_NOT_PRESENT:
  955. port_type = PORT_NONE;
  956. break;
  957. case MEDIA_UNSPECIFIED:
  958. default:
  959. port_type = PORT_OTHER;
  960. break;
  961. }
  962. return port_type;
  963. }
  964. static int qed_get_link_data(struct qed_hwfn *hwfn,
  965. struct qed_mcp_link_params *params,
  966. struct qed_mcp_link_state *link,
  967. struct qed_mcp_link_capabilities *link_caps)
  968. {
  969. void *p;
  970. if (!IS_PF(hwfn->cdev)) {
  971. qed_vf_get_link_params(hwfn, params);
  972. qed_vf_get_link_state(hwfn, link);
  973. qed_vf_get_link_caps(hwfn, link_caps);
  974. return 0;
  975. }
  976. p = qed_mcp_get_link_params(hwfn);
  977. if (!p)
  978. return -ENXIO;
  979. memcpy(params, p, sizeof(*params));
  980. p = qed_mcp_get_link_state(hwfn);
  981. if (!p)
  982. return -ENXIO;
  983. memcpy(link, p, sizeof(*link));
  984. p = qed_mcp_get_link_capabilities(hwfn);
  985. if (!p)
  986. return -ENXIO;
  987. memcpy(link_caps, p, sizeof(*link_caps));
  988. return 0;
  989. }
  990. static void qed_fill_link(struct qed_hwfn *hwfn,
  991. struct qed_link_output *if_link)
  992. {
  993. struct qed_mcp_link_params params;
  994. struct qed_mcp_link_state link;
  995. struct qed_mcp_link_capabilities link_caps;
  996. u32 media_type;
  997. memset(if_link, 0, sizeof(*if_link));
  998. /* Prepare source inputs */
  999. if (qed_get_link_data(hwfn, &params, &link, &link_caps)) {
  1000. dev_warn(&hwfn->cdev->pdev->dev, "no link data available\n");
  1001. return;
  1002. }
  1003. /* Set the link parameters to pass to protocol driver */
  1004. if (link.link_up)
  1005. if_link->link_up = true;
  1006. /* TODO - at the moment assume supported and advertised speed equal */
  1007. if_link->supported_caps = QED_LM_FIBRE_BIT;
  1008. if (params.speed.autoneg)
  1009. if_link->supported_caps |= QED_LM_Autoneg_BIT;
  1010. if (params.pause.autoneg ||
  1011. (params.pause.forced_rx && params.pause.forced_tx))
  1012. if_link->supported_caps |= QED_LM_Asym_Pause_BIT;
  1013. if (params.pause.autoneg || params.pause.forced_rx ||
  1014. params.pause.forced_tx)
  1015. if_link->supported_caps |= QED_LM_Pause_BIT;
  1016. if_link->advertised_caps = if_link->supported_caps;
  1017. if (params.speed.advertised_speeds &
  1018. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
  1019. if_link->advertised_caps |= QED_LM_1000baseT_Half_BIT |
  1020. QED_LM_1000baseT_Full_BIT;
  1021. if (params.speed.advertised_speeds &
  1022. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
  1023. if_link->advertised_caps |= QED_LM_10000baseKR_Full_BIT;
  1024. if (params.speed.advertised_speeds &
  1025. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
  1026. if_link->advertised_caps |= QED_LM_25000baseKR_Full_BIT;
  1027. if (params.speed.advertised_speeds &
  1028. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
  1029. if_link->advertised_caps |= QED_LM_40000baseLR4_Full_BIT;
  1030. if (params.speed.advertised_speeds &
  1031. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
  1032. if_link->advertised_caps |= QED_LM_50000baseKR2_Full_BIT;
  1033. if (params.speed.advertised_speeds &
  1034. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
  1035. if_link->advertised_caps |= QED_LM_100000baseKR4_Full_BIT;
  1036. if (link_caps.speed_capabilities &
  1037. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G)
  1038. if_link->supported_caps |= QED_LM_1000baseT_Half_BIT |
  1039. QED_LM_1000baseT_Full_BIT;
  1040. if (link_caps.speed_capabilities &
  1041. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
  1042. if_link->supported_caps |= QED_LM_10000baseKR_Full_BIT;
  1043. if (link_caps.speed_capabilities &
  1044. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
  1045. if_link->supported_caps |= QED_LM_25000baseKR_Full_BIT;
  1046. if (link_caps.speed_capabilities &
  1047. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G)
  1048. if_link->supported_caps |= QED_LM_40000baseLR4_Full_BIT;
  1049. if (link_caps.speed_capabilities &
  1050. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G)
  1051. if_link->supported_caps |= QED_LM_50000baseKR2_Full_BIT;
  1052. if (link_caps.speed_capabilities &
  1053. NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_BB_100G)
  1054. if_link->supported_caps |= QED_LM_100000baseKR4_Full_BIT;
  1055. if (link.link_up)
  1056. if_link->speed = link.speed;
  1057. /* TODO - fill duplex properly */
  1058. if_link->duplex = DUPLEX_FULL;
  1059. qed_mcp_get_media_type(hwfn->cdev, &media_type);
  1060. if_link->port = qed_get_port_type(media_type);
  1061. if_link->autoneg = params.speed.autoneg;
  1062. if (params.pause.autoneg)
  1063. if_link->pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
  1064. if (params.pause.forced_rx)
  1065. if_link->pause_config |= QED_LINK_PAUSE_RX_ENABLE;
  1066. if (params.pause.forced_tx)
  1067. if_link->pause_config |= QED_LINK_PAUSE_TX_ENABLE;
  1068. /* Link partner capabilities */
  1069. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_HD)
  1070. if_link->lp_caps |= QED_LM_1000baseT_Half_BIT;
  1071. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_1G_FD)
  1072. if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
  1073. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
  1074. if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
  1075. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
  1076. if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
  1077. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)
  1078. if_link->lp_caps |= QED_LM_40000baseLR4_Full_BIT;
  1079. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_50G)
  1080. if_link->lp_caps |= QED_LM_50000baseKR2_Full_BIT;
  1081. if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_100G)
  1082. if_link->lp_caps |= QED_LM_100000baseKR4_Full_BIT;
  1083. if (link.an_complete)
  1084. if_link->lp_caps |= QED_LM_Autoneg_BIT;
  1085. if (link.partner_adv_pause)
  1086. if_link->lp_caps |= QED_LM_Pause_BIT;
  1087. if (link.partner_adv_pause == QED_LINK_PARTNER_ASYMMETRIC_PAUSE ||
  1088. link.partner_adv_pause == QED_LINK_PARTNER_BOTH_PAUSE)
  1089. if_link->lp_caps |= QED_LM_Asym_Pause_BIT;
  1090. }
  1091. static void qed_get_current_link(struct qed_dev *cdev,
  1092. struct qed_link_output *if_link)
  1093. {
  1094. int i;
  1095. qed_fill_link(&cdev->hwfns[0], if_link);
  1096. for_each_hwfn(cdev, i)
  1097. qed_inform_vf_link_state(&cdev->hwfns[i]);
  1098. }
  1099. void qed_link_update(struct qed_hwfn *hwfn)
  1100. {
  1101. void *cookie = hwfn->cdev->ops_cookie;
  1102. struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common;
  1103. struct qed_link_output if_link;
  1104. qed_fill_link(hwfn, &if_link);
  1105. qed_inform_vf_link_state(hwfn);
  1106. if (IS_LEAD_HWFN(hwfn) && cookie)
  1107. op->link_update(cookie, &if_link);
  1108. }
  1109. static int qed_drain(struct qed_dev *cdev)
  1110. {
  1111. struct qed_hwfn *hwfn;
  1112. struct qed_ptt *ptt;
  1113. int i, rc;
  1114. if (IS_VF(cdev))
  1115. return 0;
  1116. for_each_hwfn(cdev, i) {
  1117. hwfn = &cdev->hwfns[i];
  1118. ptt = qed_ptt_acquire(hwfn);
  1119. if (!ptt) {
  1120. DP_NOTICE(hwfn, "Failed to drain NIG; No PTT\n");
  1121. return -EBUSY;
  1122. }
  1123. rc = qed_mcp_drain(hwfn, ptt);
  1124. if (rc)
  1125. return rc;
  1126. qed_ptt_release(hwfn, ptt);
  1127. }
  1128. return 0;
  1129. }
  1130. static void qed_get_coalesce(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal)
  1131. {
  1132. *rx_coal = cdev->rx_coalesce_usecs;
  1133. *tx_coal = cdev->tx_coalesce_usecs;
  1134. }
  1135. static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
  1136. u8 qid, u16 sb_id)
  1137. {
  1138. struct qed_hwfn *hwfn;
  1139. struct qed_ptt *ptt;
  1140. int hwfn_index;
  1141. int status = 0;
  1142. hwfn_index = qid % cdev->num_hwfns;
  1143. hwfn = &cdev->hwfns[hwfn_index];
  1144. ptt = qed_ptt_acquire(hwfn);
  1145. if (!ptt)
  1146. return -EAGAIN;
  1147. status = qed_set_rxq_coalesce(hwfn, ptt, rx_coal,
  1148. qid / cdev->num_hwfns, sb_id);
  1149. if (status)
  1150. goto out;
  1151. status = qed_set_txq_coalesce(hwfn, ptt, tx_coal,
  1152. qid / cdev->num_hwfns, sb_id);
  1153. out:
  1154. qed_ptt_release(hwfn, ptt);
  1155. return status;
  1156. }
  1157. static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
  1158. {
  1159. struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
  1160. struct qed_ptt *ptt;
  1161. int status = 0;
  1162. ptt = qed_ptt_acquire(hwfn);
  1163. if (!ptt)
  1164. return -EAGAIN;
  1165. status = qed_mcp_set_led(hwfn, ptt, mode);
  1166. qed_ptt_release(hwfn, ptt);
  1167. return status;
  1168. }
  1169. static struct qed_selftest_ops qed_selftest_ops_pass = {
  1170. .selftest_memory = &qed_selftest_memory,
  1171. .selftest_interrupt = &qed_selftest_interrupt,
  1172. .selftest_register = &qed_selftest_register,
  1173. .selftest_clock = &qed_selftest_clock,
  1174. };
  1175. const struct qed_common_ops qed_common_ops_pass = {
  1176. .selftest = &qed_selftest_ops_pass,
  1177. .probe = &qed_probe,
  1178. .remove = &qed_remove,
  1179. .set_power_state = &qed_set_power_state,
  1180. .set_id = &qed_set_id,
  1181. .update_pf_params = &qed_update_pf_params,
  1182. .slowpath_start = &qed_slowpath_start,
  1183. .slowpath_stop = &qed_slowpath_stop,
  1184. .set_fp_int = &qed_set_int_fp,
  1185. .get_fp_int = &qed_get_int_fp,
  1186. .sb_init = &qed_sb_init,
  1187. .sb_release = &qed_sb_release,
  1188. .simd_handler_config = &qed_simd_handler_config,
  1189. .simd_handler_clean = &qed_simd_handler_clean,
  1190. .can_link_change = &qed_can_link_change,
  1191. .set_link = &qed_set_link,
  1192. .get_link = &qed_get_current_link,
  1193. .drain = &qed_drain,
  1194. .update_msglvl = &qed_init_dp,
  1195. .dbg_all_data = &qed_dbg_all_data,
  1196. .dbg_all_data_size = &qed_dbg_all_data_size,
  1197. .chain_alloc = &qed_chain_alloc,
  1198. .chain_free = &qed_chain_free,
  1199. .get_coalesce = &qed_get_coalesce,
  1200. .set_coalesce = &qed_set_coalesce,
  1201. .set_led = &qed_set_led,
  1202. };
  1203. void qed_get_protocol_stats(struct qed_dev *cdev,
  1204. enum qed_mcp_protocol_type type,
  1205. union qed_mcp_protocol_stats *stats)
  1206. {
  1207. struct qed_eth_stats eth_stats;
  1208. memset(stats, 0, sizeof(*stats));
  1209. switch (type) {
  1210. case QED_MCP_LAN_STATS:
  1211. qed_get_vport_stats(cdev, &eth_stats);
  1212. stats->lan_stats.ucast_rx_pkts = eth_stats.rx_ucast_pkts;
  1213. stats->lan_stats.ucast_tx_pkts = eth_stats.tx_ucast_pkts;
  1214. stats->lan_stats.fcs_err = -1;
  1215. break;
  1216. default:
  1217. DP_ERR(cdev, "Invalid protocol type = %d\n", type);
  1218. return;
  1219. }
  1220. }