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()
152 return vdev->res[type].count; in vnic_dev_get_res_count()
158 if (!vdev->res[type].vaddr) in vnic_dev_get_res()
166 return (char __iomem *)vdev->res[type].vaddr + in vnic_dev_get_res()
169 return (char __iomem *)vdev->res[type].vaddr; in vnic_dev_get_res()
186 ring->base_align = 512; in vnic_dev_desc_ring_size()
191 ring->desc_count = ALIGN(desc_count, count_align); in vnic_dev_desc_ring_size()
193 ring->desc_size = ALIGN(desc_size, desc_align); in vnic_dev_desc_ring_size()
195 ring->size = ring->desc_count * ring->desc_size; in vnic_dev_desc_ring_size()
196 ring->size_unaligned = ring->size + ring->base_align; in vnic_dev_desc_ring_size()
198 return ring->size_unaligned; in vnic_dev_desc_ring_size()
203 memset(ring->descs, 0, ring->size); in vnic_dev_clear_desc_ring()
211 ring->descs_unaligned = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_alloc_desc_ring()
212 ring->size_unaligned, in vnic_dev_alloc_desc_ring()
213 &ring->base_addr_unaligned, GFP_KERNEL); in vnic_dev_alloc_desc_ring()
215 if (!ring->descs_unaligned) { in vnic_dev_alloc_desc_ring()
218 (int)ring->size); in vnic_dev_alloc_desc_ring()
219 return -ENOMEM; in vnic_dev_alloc_desc_ring()
222 ring->base_addr = ALIGN(ring->base_addr_unaligned, in vnic_dev_alloc_desc_ring()
223 ring->base_align); in vnic_dev_alloc_desc_ring()
224 ring->descs = (u8 *)ring->descs_unaligned + in vnic_dev_alloc_desc_ring()
225 (ring->base_addr - ring->base_addr_unaligned); in vnic_dev_alloc_desc_ring()
229 ring->desc_avail = ring->desc_count - 1; in vnic_dev_alloc_desc_ring()
236 if (ring->descs) { in vnic_dev_free_desc_ring()
237 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_free_desc_ring()
238 ring->size_unaligned, in vnic_dev_free_desc_ring()
239 ring->descs_unaligned, in vnic_dev_free_desc_ring()
240 ring->base_addr_unaligned); in vnic_dev_free_desc_ring()
241 ring->descs = NULL; in vnic_dev_free_desc_ring()
245 static int vnic_dev_cmd1(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, int wait) in vnic_dev_cmd1() argument
247 struct vnic_devcmd __iomem *devcmd = vdev->devcmd; in vnic_dev_cmd1()
248 int delay; in vnic_dev_cmd1() local
259 u64 *a0 = &vdev->args[0]; in vnic_dev_cmd1()
260 u64 *a1 = &vdev->args[1]; in vnic_dev_cmd1()
262 status = ioread32(&devcmd->status); in vnic_dev_cmd1()
265 return -EBUSY; in vnic_dev_cmd1()
269 writeq(*a0, &devcmd->args[0]); in vnic_dev_cmd1()
270 writeq(*a1, &devcmd->args[1]); in vnic_dev_cmd1()
274 iowrite32(cmd, &devcmd->cmd); in vnic_dev_cmd1()
279 for (delay = 0; delay < wait; delay++) { in vnic_dev_cmd1()
283 status = ioread32(&devcmd->status); in vnic_dev_cmd1()
287 err = dev_cmd_err[(int)readq(&devcmd->args[0])]; in vnic_dev_cmd1()
290 return -err; in vnic_dev_cmd1()
295 *a0 = readq(&devcmd->args[0]); in vnic_dev_cmd1()
296 *a1 = readq(&devcmd->args[1]); in vnic_dev_cmd1()
304 return -ETIMEDOUT; in vnic_dev_cmd1()
308 int wait) in vnic_dev_cmd2() argument
310 struct devcmd2_controller *dc2c = vdev->devcmd2; in vnic_dev_cmd2()
314 int delay; in vnic_dev_cmd2() local
320 posted = ioread32(&dc2c->wq_ctrl->posted_index); in vnic_dev_cmd2()
321 fetch_index = ioread32(&dc2c->wq_ctrl->fetch_index); in vnic_dev_cmd2()
326 pci_name(vdev->pdev), _CMD_N(cmd)); in vnic_dev_cmd2()
328 pci_name(vdev->pdev), fetch_index, posted); in vnic_dev_cmd2()
330 return -ENODEV; in vnic_dev_cmd2()
338 pci_name(vdev->pdev), _CMD_N(cmd)); in vnic_dev_cmd2()
340 pci_name(vdev->pdev), fetch_index, posted); in vnic_dev_cmd2()
341 return -EBUSY; in vnic_dev_cmd2()
344 dc2c->cmd_ring[posted].cmd = cmd; in vnic_dev_cmd2()
345 dc2c->cmd_ring[posted].flags = 0; in vnic_dev_cmd2()
348 dc2c->cmd_ring[posted].flags |= DEVCMD2_FNORESULT; in vnic_dev_cmd2()
351 dc2c->cmd_ring[posted].args[i] = vdev->args[i]; in vnic_dev_cmd2()
361 iowrite32(new_posted, &dc2c->wq_ctrl->posted_index); in vnic_dev_cmd2()
363 if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT) in vnic_dev_cmd2()
366 result = dc2c->result + dc2c->next_result; in vnic_dev_cmd2()
367 color = dc2c->color; in vnic_dev_cmd2()
369 dc2c->next_result++; in vnic_dev_cmd2()
370 if (dc2c->next_result == dc2c->result_size) { in vnic_dev_cmd2()
371 dc2c->next_result = 0; in vnic_dev_cmd2()
372 dc2c->color = dc2c->color ? 0 : 1; in vnic_dev_cmd2()
375 for (delay = 0; delay < wait; delay++) { in vnic_dev_cmd2()
377 if (result->color == color) { in vnic_dev_cmd2()
378 if (result->error) { in vnic_dev_cmd2()
379 err = -(int) result->error; in vnic_dev_cmd2()
383 pci_name(vdev->pdev), in vnic_dev_cmd2()
390 vdev->args[i] = result->results[i]; in vnic_dev_cmd2()
396 pr_err("%s:Timed out devcmd %d\n", pci_name(vdev->pdev), _CMD_N(cmd)); in vnic_dev_cmd2()
398 return -ETIMEDOUT; in vnic_dev_cmd2()
404 vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); in vnic_dev_init_devcmd1()
405 if (!vdev->devcmd) in vnic_dev_init_devcmd1()
406 return -ENODEV; in vnic_dev_init_devcmd1()
408 vdev->devcmd_rtn = &vnic_dev_cmd1; in vnic_dev_init_devcmd1()
418 if (vdev->devcmd2) in vnic_dev_init_devcmd2()
421 vdev->devcmd2 = kzalloc(sizeof(*vdev->devcmd2), GFP_ATOMIC); in vnic_dev_init_devcmd2()
422 if (!vdev->devcmd2) in vnic_dev_init_devcmd2()
423 return -ENOMEM; in vnic_dev_init_devcmd2()
425 vdev->devcmd2->color = 1; in vnic_dev_init_devcmd2()
426 vdev->devcmd2->result_size = DEVCMD2_RING_SIZE; in vnic_dev_init_devcmd2()
427 err = vnic_wq_devcmd2_alloc(vdev, &vdev->devcmd2->wq, in vnic_dev_init_devcmd2()
432 fetch_index = ioread32(&vdev->devcmd2->wq.ctrl->fetch_index); in vnic_dev_init_devcmd2()
435 err = -ENODEV; in vnic_dev_init_devcmd2()
444 vnic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, in vnic_dev_init_devcmd2()
447 vnic_wq_enable(&vdev->devcmd2->wq); in vnic_dev_init_devcmd2()
449 err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring, in vnic_dev_init_devcmd2()
454 vdev->devcmd2->result = in vnic_dev_init_devcmd2()
455 (struct devcmd2_result *) vdev->devcmd2->results_ring.descs; in vnic_dev_init_devcmd2()
456 vdev->devcmd2->cmd_ring = in vnic_dev_init_devcmd2()
457 (struct vnic_devcmd2 *) vdev->devcmd2->wq.ring.descs; in vnic_dev_init_devcmd2()
458 vdev->devcmd2->wq_ctrl = vdev->devcmd2->wq.ctrl; in vnic_dev_init_devcmd2()
459 vdev->args[0] = (u64) vdev->devcmd2->results_ring.base_addr | in vnic_dev_init_devcmd2()
461 vdev->args[1] = DEVCMD2_RING_SIZE; in vnic_dev_init_devcmd2()
467 vdev->devcmd_rtn = &vnic_dev_cmd2; in vnic_dev_init_devcmd2()
472 vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring); in vnic_dev_init_devcmd2()
474 vnic_wq_disable(&vdev->devcmd2->wq); in vnic_dev_init_devcmd2()
476 vnic_wq_free(&vdev->devcmd2->wq); in vnic_dev_init_devcmd2()
478 kfree(vdev->devcmd2); in vnic_dev_init_devcmd2()
479 vdev->devcmd2 = NULL; in vnic_dev_init_devcmd2()
487 vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring); in vnic_dev_deinit_devcmd2()
488 vnic_wq_disable(&vdev->devcmd2->wq); in vnic_dev_deinit_devcmd2()
489 vnic_wq_free(&vdev->devcmd2->wq); in vnic_dev_deinit_devcmd2()
490 kfree(vdev->devcmd2); in vnic_dev_deinit_devcmd2()
491 vdev->devcmd2 = NULL; in vnic_dev_deinit_devcmd2()
492 vdev->devcmd_rtn = &vnic_dev_cmd1; in vnic_dev_deinit_devcmd2()
497 enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait) in vnic_dev_cmd_no_proxy() argument
501 vdev->args[0] = *a0; in vnic_dev_cmd_no_proxy()
502 vdev->args[1] = *a1; in vnic_dev_cmd_no_proxy()
504 err = (*vdev->devcmd_rtn)(vdev, cmd, wait); in vnic_dev_cmd_no_proxy()
506 *a0 = vdev->args[0]; in vnic_dev_cmd_no_proxy()
507 *a1 = vdev->args[1]; in vnic_dev_cmd_no_proxy()
514 u64 *a0, u64 *a1, int wait) in vnic_dev_cmd() argument
516 memset(vdev->args, 0, sizeof(vdev->args)); in vnic_dev_cmd()
518 switch (vdev->proxy) { in vnic_dev_cmd()
521 return vnic_dev_cmd_no_proxy(vdev, cmd, a0, a1, wait); in vnic_dev_cmd()
530 int wait = 1000; in vnic_dev_fw_info() local
533 if (!vdev->fw_info) { in vnic_dev_fw_info()
534 vdev->fw_info = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_fw_info()
536 &vdev->fw_info_pa, GFP_KERNEL); in vnic_dev_fw_info()
537 if (!vdev->fw_info) in vnic_dev_fw_info()
538 return -ENOMEM; in vnic_dev_fw_info()
540 a0 = vdev->fw_info_pa; in vnic_dev_fw_info()
543 err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait); in vnic_dev_fw_info()
546 *fw_info = vdev->fw_info; in vnic_dev_fw_info()
555 int wait = 1000; in vnic_dev_spec() local
561 err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); in vnic_dev_spec()
587 int wait = 1000; in vnic_dev_stats_clear() local
588 return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); in vnic_dev_stats_clear()
594 int wait = 1000; in vnic_dev_stats_dump() local
596 if (!vdev->stats) { in vnic_dev_stats_dump()
597 vdev->stats = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_stats_dump()
598 sizeof(struct vnic_stats), &vdev->stats_pa, GFP_KERNEL); in vnic_dev_stats_dump()
599 if (!vdev->stats) in vnic_dev_stats_dump()
600 return -ENOMEM; in vnic_dev_stats_dump()
603 *stats = vdev->stats; in vnic_dev_stats_dump()
604 a0 = vdev->stats_pa; in vnic_dev_stats_dump()
607 return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); in vnic_dev_stats_dump()
613 int wait = 1000; in vnic_dev_close() local
614 return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); in vnic_dev_close()
620 int wait = 1000; in vnic_dev_enable() local
621 return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); in vnic_dev_enable()
627 int wait = 1000; in vnic_dev_disable() local
628 return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); in vnic_dev_disable()
634 int wait = 1000; in vnic_dev_open() local
635 return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); in vnic_dev_open()
641 int wait = 1000; in vnic_dev_open_done() local
646 err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); in vnic_dev_open_done()
658 int wait = 1000; in vnic_dev_soft_reset() local
659 return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); in vnic_dev_soft_reset()
665 int wait = 1000; in vnic_dev_soft_reset_done() local
670 err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); in vnic_dev_soft_reset_done()
682 int wait = 1000; in vnic_dev_hang_notify() local
683 return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait); in vnic_dev_hang_notify()
689 int wait = 1000; in vnic_dev_mac_addr() local
695 err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a[0], &a[1], wait); in vnic_dev_mac_addr()
709 int wait = 1000; in vnic_dev_packet_filter() local
718 err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); in vnic_dev_packet_filter()
726 int wait = 1000; in vnic_dev_add_addr() local
733 err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a[0], &a[1], wait); in vnic_dev_add_addr()
741 int wait = 1000; in vnic_dev_del_addr() local
748 err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a[0], &a[1], wait); in vnic_dev_del_addr()
756 int wait = 1000; in vnic_dev_notify_set() local
758 if (!vdev->notify) { in vnic_dev_notify_set()
759 vdev->notify = dma_alloc_coherent(&vdev->pdev->dev, in vnic_dev_notify_set()
761 &vdev->notify_pa, GFP_KERNEL); in vnic_dev_notify_set()
762 if (!vdev->notify) in vnic_dev_notify_set()
763 return -ENOMEM; in vnic_dev_notify_set()
766 a0 = vdev->notify_pa; in vnic_dev_notify_set()
770 return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); in vnic_dev_notify_set()
776 int wait = 1000; in vnic_dev_notify_unset() local
779 a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ in vnic_dev_notify_unset()
782 vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); in vnic_dev_notify_unset()
792 if (!vdev->notify) in vnic_dev_notify_ready()
797 memcpy(&vdev->notify_copy, vdev->notify, in vnic_dev_notify_ready()
799 words = (u32 *)&vdev->notify_copy; in vnic_dev_notify_ready()
810 int wait = 1000; in vnic_dev_init() local
811 return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); in vnic_dev_init()
817 int wait = 1000; in vnic_dev_set_default_vlan() local
820 old_vlan = vnic_dev_cmd(vdev, CMD_SET_DEFAULT_VLAN, &a0, &a1, wait); in vnic_dev_set_default_vlan()
826 if (vdev->linkstatus) in vnic_dev_link_status()
827 return *vdev->linkstatus; in vnic_dev_link_status()
832 return vdev->notify_copy.link_state; in vnic_dev_link_status()
840 return vdev->notify_copy.port_speed; in vnic_dev_port_speed()
848 return vdev->notify_copy.msglvl; in vnic_dev_msg_lvl()
856 return vdev->notify_copy.mtu; in vnic_dev_mtu()
864 return vdev->notify_copy.link_down_cnt; in vnic_dev_link_down_cnt()
870 vdev->intr_mode = intr_mode; in vnic_dev_set_intr_mode()
876 return vdev->intr_mode; in vnic_dev_get_intr_mode()
882 if (vdev->notify) in vnic_dev_unregister()
883 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
885 vdev->notify, in vnic_dev_unregister()
886 vdev->notify_pa); in vnic_dev_unregister()
887 if (vdev->linkstatus) in vnic_dev_unregister()
888 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
890 vdev->linkstatus, in vnic_dev_unregister()
891 vdev->linkstatus_pa); in vnic_dev_unregister()
892 if (vdev->stats) in vnic_dev_unregister()
893 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
895 vdev->stats, vdev->stats_pa); in vnic_dev_unregister()
896 if (vdev->fw_info) in vnic_dev_unregister()
897 dma_free_coherent(&vdev->pdev->dev, in vnic_dev_unregister()
899 vdev->fw_info, vdev->fw_info_pa); in vnic_dev_unregister()
900 if (vdev->devcmd2) in vnic_dev_unregister()
915 vdev->priv = priv; in vnic_dev_register()
916 vdev->pdev = pdev; in vnic_dev_register()