Lines Matching +full:wait +full:- +full:delay
1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/delay.h>
62 int wait);
72 return vdev->priv; in vnic_dev_priv()
82 if (bar->len < VNIC_MAX_RES_HDR_SIZE) { in vnic_dev_discover_res()
84 return -EINVAL; in vnic_dev_discover_res()
87 rh = bar->vaddr; in vnic_dev_discover_res()
89 printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n"); in vnic_dev_discover_res()
90 return -EINVAL; in vnic_dev_discover_res()
93 if (ioread32(&rh->magic) != VNIC_RES_MAGIC || in vnic_dev_discover_res()
94 ioread32(&rh->version) != VNIC_RES_VERSION) { in vnic_dev_discover_res()
98 ioread32(&rh->magic), ioread32(&rh->version)); in vnic_dev_discover_res()
99 return -EINVAL; in vnic_dev_discover_res()
104 while ((type = ioread8(&r->type)) != RES_TYPE_EOL) { in vnic_dev_discover_res()
106 u8 bar_num = ioread8(&r->bar); in vnic_dev_discover_res()
107 u32 bar_offset = ioread32(&r->bar_offset); in vnic_dev_discover_res()
108 u32 count = ioread32(&r->count); in vnic_dev_discover_res()
123 if (len + bar_offset > bar->len) { in vnic_dev_discover_res()
125 "out-of-bounds, offset 0x%x + " in vnic_dev_discover_res()
129 bar->len); in vnic_dev_discover_res()
130 return -EINVAL; in vnic_dev_discover_res()
142 vdev->res[type].count = count; in vnic_dev_discover_res()
143 vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset; in vnic_dev_discover_res()
147 vdev->res[RES_TYPE_WQ].count, vdev->res[RES_TYPE_RQ].count, in vnic_dev_discover_res()
148 vdev->res[RES_TYPE_CQ].count, vdev->res[RES_TYPE_INTR_CTRL].count); in vnic_dev_discover_res()
156 return vdev->res[type].count; in vnic_dev_get_res_count()
162 if (!vdev->res[type].vaddr) in vnic_dev_get_res()
170 return (char __iomem *)vdev->res[type].vaddr + in vnic_dev_get_res()
173 return (char __iomem *)vdev->res[type].vaddr; in vnic_dev_get_res()
190 ring->base_align = 512; in vnic_dev_desc_ring_size()
195 ring->desc_count = ALIGN(desc_count, count_align); in vnic_dev_desc_ring_size()
197 ring->desc_size = ALIGN(desc_size, desc_align); in vnic_dev_desc_ring_size()
199 ring->size = ring->desc_count * ring->desc_size; in vnic_dev_desc_ring_size()
200 ring->size_unaligned = ring->size + ring->base_align; in vnic_dev_desc_ring_size()
202 return ring->size_unaligned; in vnic_dev_desc_ring_size()
207 memset(ring->descs, 0, ring->size); in vnic_dev_clear_desc_ring()
215 ring->descs_unaligned = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_alloc_desc_ring()
216 ring->size_unaligned, in vnic_dev_alloc_desc_ring()
217 &ring->base_addr_unaligned, GFP_KERNEL); in vnic_dev_alloc_desc_ring()
219 if (!ring->descs_unaligned) { in vnic_dev_alloc_desc_ring()
222 (int)ring->size); in vnic_dev_alloc_desc_ring()
223 return -ENOMEM; in vnic_dev_alloc_desc_ring()
226 ring->base_addr = ALIGN(ring->base_addr_unaligned, in vnic_dev_alloc_desc_ring()
227 ring->base_align); in vnic_dev_alloc_desc_ring()
228 ring->descs = (u8 *)ring->descs_unaligned + in vnic_dev_alloc_desc_ring()
229 (ring->base_addr - ring->base_addr_unaligned); in vnic_dev_alloc_desc_ring()
233 ring->desc_avail = ring->desc_count - 1; in vnic_dev_alloc_desc_ring()
240 if (ring->descs) { in vnic_dev_free_desc_ring()
241 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_free_desc_ring()
242 ring->size_unaligned, in vnic_dev_free_desc_ring()
243 ring->descs_unaligned, in vnic_dev_free_desc_ring()
244 ring->base_addr_unaligned); in vnic_dev_free_desc_ring()
245 ring->descs = NULL; in vnic_dev_free_desc_ring()
249 static int vnic_dev_cmd1(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, int wait) in vnic_dev_cmd1() argument
251 struct vnic_devcmd __iomem *devcmd = vdev->devcmd; in vnic_dev_cmd1()
252 int delay; in vnic_dev_cmd1() local
263 u64 *a0 = &vdev->args[0]; in vnic_dev_cmd1()
264 u64 *a1 = &vdev->args[1]; in vnic_dev_cmd1()
266 status = ioread32(&devcmd->status); in vnic_dev_cmd1()
269 return -EBUSY; in vnic_dev_cmd1()
273 writeq(*a0, &devcmd->args[0]); in vnic_dev_cmd1()
274 writeq(*a1, &devcmd->args[1]); in vnic_dev_cmd1()
278 iowrite32(cmd, &devcmd->cmd); in vnic_dev_cmd1()
283 for (delay = 0; delay < wait; delay++) { in vnic_dev_cmd1()
287 status = ioread32(&devcmd->status); in vnic_dev_cmd1()
291 err = dev_cmd_err[(int)readq(&devcmd->args[0])]; in vnic_dev_cmd1()
294 return -err; in vnic_dev_cmd1()
299 *a0 = readq(&devcmd->args[0]); in vnic_dev_cmd1()
300 *a1 = readq(&devcmd->args[1]); in vnic_dev_cmd1()
308 return -ETIMEDOUT; in vnic_dev_cmd1()
312 int wait) in vnic_dev_cmd2() argument
314 struct devcmd2_controller *dc2c = vdev->devcmd2; in vnic_dev_cmd2()
318 int delay; in vnic_dev_cmd2() local
324 posted = ioread32(&dc2c->wq_ctrl->posted_index); in vnic_dev_cmd2()
325 fetch_index = ioread32(&dc2c->wq_ctrl->fetch_index); in vnic_dev_cmd2()
330 pci_name(vdev->pdev), _CMD_N(cmd)); in vnic_dev_cmd2()
332 pci_name(vdev->pdev), fetch_index, posted); in vnic_dev_cmd2()
334 return -ENODEV; in vnic_dev_cmd2()
342 pci_name(vdev->pdev), _CMD_N(cmd)); in vnic_dev_cmd2()
344 pci_name(vdev->pdev), fetch_index, posted); in vnic_dev_cmd2()
345 return -EBUSY; in vnic_dev_cmd2()
348 dc2c->cmd_ring[posted].cmd = cmd; in vnic_dev_cmd2()
349 dc2c->cmd_ring[posted].flags = 0; in vnic_dev_cmd2()
352 dc2c->cmd_ring[posted].flags |= DEVCMD2_FNORESULT; in vnic_dev_cmd2()
355 dc2c->cmd_ring[posted].args[i] = vdev->args[i]; in vnic_dev_cmd2()
365 iowrite32(new_posted, &dc2c->wq_ctrl->posted_index); in vnic_dev_cmd2()
367 if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT) in vnic_dev_cmd2()
370 result = dc2c->result + dc2c->next_result; in vnic_dev_cmd2()
371 color = dc2c->color; in vnic_dev_cmd2()
373 dc2c->next_result++; in vnic_dev_cmd2()
374 if (dc2c->next_result == dc2c->result_size) { in vnic_dev_cmd2()
375 dc2c->next_result = 0; in vnic_dev_cmd2()
376 dc2c->color = dc2c->color ? 0 : 1; in vnic_dev_cmd2()
379 for (delay = 0; delay < wait; delay++) { in vnic_dev_cmd2()
381 if (result->color == color) { in vnic_dev_cmd2()
382 if (result->error) { in vnic_dev_cmd2()
383 err = -(int) result->error; in vnic_dev_cmd2()
387 pci_name(vdev->pdev), in vnic_dev_cmd2()
394 vdev->args[i] = result->results[i]; in vnic_dev_cmd2()
400 pr_err("%s:Timed out devcmd %d\n", pci_name(vdev->pdev), _CMD_N(cmd)); in vnic_dev_cmd2()
402 return -ETIMEDOUT; in vnic_dev_cmd2()
408 vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); in vnic_dev_init_devcmd1()
409 if (!vdev->devcmd) in vnic_dev_init_devcmd1()
410 return -ENODEV; in vnic_dev_init_devcmd1()
412 vdev->devcmd_rtn = &vnic_dev_cmd1; in vnic_dev_init_devcmd1()
422 if (vdev->devcmd2) in vnic_dev_init_devcmd2()
425 vdev->devcmd2 = kzalloc(sizeof(*vdev->devcmd2), GFP_ATOMIC); in vnic_dev_init_devcmd2()
426 if (!vdev->devcmd2) in vnic_dev_init_devcmd2()
427 return -ENOMEM; in vnic_dev_init_devcmd2()
429 vdev->devcmd2->color = 1; in vnic_dev_init_devcmd2()
430 vdev->devcmd2->result_size = DEVCMD2_RING_SIZE; in vnic_dev_init_devcmd2()
431 err = vnic_wq_devcmd2_alloc(vdev, &vdev->devcmd2->wq, in vnic_dev_init_devcmd2()
436 fetch_index = ioread32(&vdev->devcmd2->wq.ctrl->fetch_index); in vnic_dev_init_devcmd2()
439 err = -ENODEV; in vnic_dev_init_devcmd2()
448 vnic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, in vnic_dev_init_devcmd2()
451 vnic_wq_enable(&vdev->devcmd2->wq); in vnic_dev_init_devcmd2()
453 err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring, in vnic_dev_init_devcmd2()
458 vdev->devcmd2->result = in vnic_dev_init_devcmd2()
459 (struct devcmd2_result *) vdev->devcmd2->results_ring.descs; in vnic_dev_init_devcmd2()
460 vdev->devcmd2->cmd_ring = in vnic_dev_init_devcmd2()
461 (struct vnic_devcmd2 *) vdev->devcmd2->wq.ring.descs; in vnic_dev_init_devcmd2()
462 vdev->devcmd2->wq_ctrl = vdev->devcmd2->wq.ctrl; in vnic_dev_init_devcmd2()
463 vdev->args[0] = (u64) vdev->devcmd2->results_ring.base_addr | in vnic_dev_init_devcmd2()
465 vdev->args[1] = DEVCMD2_RING_SIZE; in vnic_dev_init_devcmd2()
471 vdev->devcmd_rtn = &vnic_dev_cmd2; in vnic_dev_init_devcmd2()
476 vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring); in vnic_dev_init_devcmd2()
478 vnic_wq_disable(&vdev->devcmd2->wq); in vnic_dev_init_devcmd2()
480 vnic_wq_free(&vdev->devcmd2->wq); in vnic_dev_init_devcmd2()
482 kfree(vdev->devcmd2); in vnic_dev_init_devcmd2()
483 vdev->devcmd2 = NULL; in vnic_dev_init_devcmd2()
491 vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring); in vnic_dev_deinit_devcmd2()
492 vnic_wq_disable(&vdev->devcmd2->wq); in vnic_dev_deinit_devcmd2()
493 vnic_wq_free(&vdev->devcmd2->wq); in vnic_dev_deinit_devcmd2()
494 kfree(vdev->devcmd2); in vnic_dev_deinit_devcmd2()
495 vdev->devcmd2 = NULL; in vnic_dev_deinit_devcmd2()
496 vdev->devcmd_rtn = &vnic_dev_cmd1; in vnic_dev_deinit_devcmd2()
501 enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait) in vnic_dev_cmd_no_proxy() argument
505 vdev->args[0] = *a0; in vnic_dev_cmd_no_proxy()
506 vdev->args[1] = *a1; in vnic_dev_cmd_no_proxy()
508 err = (*vdev->devcmd_rtn)(vdev, cmd, wait); in vnic_dev_cmd_no_proxy()
510 *a0 = vdev->args[0]; in vnic_dev_cmd_no_proxy()
511 *a1 = vdev->args[1]; in vnic_dev_cmd_no_proxy()
518 u64 *a0, u64 *a1, int wait) in vnic_dev_cmd() argument
520 memset(vdev->args, 0, sizeof(vdev->args)); in vnic_dev_cmd()
522 switch (vdev->proxy) { in vnic_dev_cmd()
525 return vnic_dev_cmd_no_proxy(vdev, cmd, a0, a1, wait); in vnic_dev_cmd()
534 int wait = 1000; in vnic_dev_fw_info() local
537 if (!vdev->fw_info) { in vnic_dev_fw_info()
538 vdev->fw_info = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_fw_info()
540 &vdev->fw_info_pa, GFP_KERNEL); in vnic_dev_fw_info()
541 if (!vdev->fw_info) in vnic_dev_fw_info()
542 return -ENOMEM; in vnic_dev_fw_info()
544 a0 = vdev->fw_info_pa; in vnic_dev_fw_info()
547 err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait); in vnic_dev_fw_info()
550 *fw_info = vdev->fw_info; in vnic_dev_fw_info()
559 int wait = 1000; in vnic_dev_spec() local
565 err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); in vnic_dev_spec()
591 int wait = 1000; in vnic_dev_stats_clear() local
592 return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); in vnic_dev_stats_clear()
598 int wait = 1000; in vnic_dev_stats_dump() local
600 if (!vdev->stats) { in vnic_dev_stats_dump()
601 vdev->stats = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_stats_dump()
602 sizeof(struct vnic_stats), &vdev->stats_pa, GFP_KERNEL); in vnic_dev_stats_dump()
603 if (!vdev->stats) in vnic_dev_stats_dump()
604 return -ENOMEM; in vnic_dev_stats_dump()
607 *stats = vdev->stats; in vnic_dev_stats_dump()
608 a0 = vdev->stats_pa; in vnic_dev_stats_dump()
611 return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); in vnic_dev_stats_dump()
617 int wait = 1000; in vnic_dev_close() local
618 return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); in vnic_dev_close()
624 int wait = 1000; in vnic_dev_enable() local
625 return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); in vnic_dev_enable()
631 int wait = 1000; in vnic_dev_disable() local
632 return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); in vnic_dev_disable()
638 int wait = 1000; in vnic_dev_open() local
639 return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); in vnic_dev_open()
645 int wait = 1000; in vnic_dev_open_done() local
650 err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); in vnic_dev_open_done()
662 int wait = 1000; in vnic_dev_soft_reset() local
663 return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); in vnic_dev_soft_reset()
669 int wait = 1000; in vnic_dev_soft_reset_done() local
674 err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); in vnic_dev_soft_reset_done()
686 int wait = 1000; in vnic_dev_hang_notify() local
687 return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait); in vnic_dev_hang_notify()
693 int wait = 1000; in vnic_dev_mac_addr() local
699 err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a[0], &a[1], wait); in vnic_dev_mac_addr()
713 int wait = 1000; in vnic_dev_packet_filter() local
722 err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); in vnic_dev_packet_filter()
730 int wait = 1000; in vnic_dev_add_addr() local
737 err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a[0], &a[1], wait); in vnic_dev_add_addr()
745 int wait = 1000; in vnic_dev_del_addr() local
752 err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a[0], &a[1], wait); in vnic_dev_del_addr()
760 int wait = 1000; in vnic_dev_notify_set() local
762 if (!vdev->notify) { in vnic_dev_notify_set()
763 vdev->notify = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_notify_set()
765 &vdev->notify_pa, GFP_KERNEL); in vnic_dev_notify_set()
766 if (!vdev->notify) in vnic_dev_notify_set()
767 return -ENOMEM; in vnic_dev_notify_set()
770 a0 = vdev->notify_pa; in vnic_dev_notify_set()
774 return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); in vnic_dev_notify_set()
780 int wait = 1000; in vnic_dev_notify_unset() local
783 a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ in vnic_dev_notify_unset()
786 vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); in vnic_dev_notify_unset()
796 if (!vdev->notify) in vnic_dev_notify_ready()
801 memcpy(&vdev->notify_copy, vdev->notify, in vnic_dev_notify_ready()
803 words = (u32 *)&vdev->notify_copy; in vnic_dev_notify_ready()
814 int wait = 1000; in vnic_dev_init() local
815 return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); in vnic_dev_init()
821 int wait = 1000; in vnic_dev_set_default_vlan() local
824 old_vlan = vnic_dev_cmd(vdev, CMD_SET_DEFAULT_VLAN, &a0, &a1, wait); in vnic_dev_set_default_vlan()
830 if (vdev->linkstatus) in vnic_dev_link_status()
831 return *vdev->linkstatus; in vnic_dev_link_status()
836 return vdev->notify_copy.link_state; in vnic_dev_link_status()
844 return vdev->notify_copy.port_speed; in vnic_dev_port_speed()
852 return vdev->notify_copy.msglvl; in vnic_dev_msg_lvl()
860 return vdev->notify_copy.mtu; in vnic_dev_mtu()
868 return vdev->notify_copy.link_down_cnt; in vnic_dev_link_down_cnt()
874 vdev->intr_mode = intr_mode; in vnic_dev_set_intr_mode()
880 return vdev->intr_mode; in vnic_dev_get_intr_mode()
886 if (vdev->notify) in vnic_dev_unregister()
887 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
889 vdev->notify, in vnic_dev_unregister()
890 vdev->notify_pa); in vnic_dev_unregister()
891 if (vdev->linkstatus) in vnic_dev_unregister()
892 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
894 vdev->linkstatus, in vnic_dev_unregister()
895 vdev->linkstatus_pa); in vnic_dev_unregister()
896 if (vdev->stats) in vnic_dev_unregister()
897 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
899 vdev->stats, vdev->stats_pa); in vnic_dev_unregister()
900 if (vdev->fw_info) in vnic_dev_unregister()
901 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
903 vdev->fw_info, vdev->fw_info_pa); in vnic_dev_unregister()
904 if (vdev->devcmd2) in vnic_dev_unregister()
919 vdev->priv = priv; in vnic_dev_register()
920 vdev->pdev = pdev; in vnic_dev_register()