1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Huawei Technologies Co., Ltd
5 #include "hinic_compat.h"
7 #include "hinic_pmd_hwdev.h"
8 #include "hinic_pmd_hwif.h"
9 #include "hinic_pmd_eqs.h"
10 #include "hinic_pmd_mgmt.h"
11 #include "hinic_pmd_mbox.h"
13 #define HINIC_MBOX_INT_DST_FUNC_SHIFT 0
14 #define HINIC_MBOX_INT_DST_AEQN_SHIFT 10
15 #define HINIC_MBOX_INT_SRC_RESP_AEQN_SHIFT 12
16 #define HINIC_MBOX_INT_STAT_DMA_SHIFT 14
17 /* The size of data to be send (unit of 4 bytes) */
18 #define HINIC_MBOX_INT_TX_SIZE_SHIFT 20
19 /* SO_RO(strong order, relax order) */
20 #define HINIC_MBOX_INT_STAT_DMA_SO_RO_SHIFT 25
21 #define HINIC_MBOX_INT_WB_EN_SHIFT 28
24 #define HINIC_MBOX_INT_DST_FUNC_MASK 0x3FF
25 #define HINIC_MBOX_INT_DST_AEQN_MASK 0x3
26 #define HINIC_MBOX_INT_SRC_RESP_AEQN_MASK 0x3
27 #define HINIC_MBOX_INT_STAT_DMA_MASK 0x3F
28 #define HINIC_MBOX_INT_TX_SIZE_MASK 0x1F
29 #define HINIC_MBOX_INT_STAT_DMA_SO_RO_MASK 0x3
30 #define HINIC_MBOX_INT_WB_EN_MASK 0x1
32 #define HINIC_MBOX_INT_SET(val, field) \
33 (((val) & HINIC_MBOX_INT_##field##_MASK) << \
34 HINIC_MBOX_INT_##field##_SHIFT)
36 enum hinic_mbox_tx_status {
41 #define HINIC_MBOX_CTRL_TRIGGER_AEQE_SHIFT 0
42 /* specifies the issue request for the message data.
43 * 0 - Tx request is done;
44 * 1 - Tx request is in process.
46 #define HINIC_MBOX_CTRL_TX_STATUS_SHIFT 1
48 #define HINIC_MBOX_CTRL_TRIGGER_AEQE_MASK 0x1
49 #define HINIC_MBOX_CTRL_TX_STATUS_MASK 0x1
51 #define HINIC_MBOX_CTRL_SET(val, field) \
52 (((val) & HINIC_MBOX_CTRL_##field##_MASK) << \
53 HINIC_MBOX_CTRL_##field##_SHIFT)
55 #define HINIC_MBOX_HEADER_MSG_LEN_SHIFT 0
56 #define HINIC_MBOX_HEADER_MODULE_SHIFT 11
57 #define HINIC_MBOX_HEADER_SEG_LEN_SHIFT 16
58 #define HINIC_MBOX_HEADER_NO_ACK_SHIFT 22
59 #define HINIC_MBOX_HEADER_SEQID_SHIFT 24
60 #define HINIC_MBOX_HEADER_LAST_SHIFT 30
62 #define HINIC_MBOX_HEADER_DIRECTION_SHIFT 31
63 #define HINIC_MBOX_HEADER_CMD_SHIFT 32
64 #define HINIC_MBOX_HEADER_MSG_ID_SHIFT 40
65 #define HINIC_MBOX_HEADER_STATUS_SHIFT 48
66 #define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_SHIFT 54
68 #define HINIC_MBOX_HEADER_MSG_LEN_MASK 0x7FF
69 #define HINIC_MBOX_HEADER_MODULE_MASK 0x1F
70 #define HINIC_MBOX_HEADER_SEG_LEN_MASK 0x3F
71 #define HINIC_MBOX_HEADER_NO_ACK_MASK 0x1
72 #define HINIC_MBOX_HEADER_SEQID_MASK 0x3F
73 #define HINIC_MBOX_HEADER_LAST_MASK 0x1
74 #define HINIC_MBOX_HEADER_DIRECTION_MASK 0x1
75 #define HINIC_MBOX_HEADER_CMD_MASK 0xFF
76 #define HINIC_MBOX_HEADER_MSG_ID_MASK 0xFF
77 #define HINIC_MBOX_HEADER_STATUS_MASK 0x3F
78 #define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_MASK 0x3FF
80 #define HINIC_MBOX_HEADER_GET(val, field) \
81 (((val) >> HINIC_MBOX_HEADER_##field##_SHIFT) & \
82 HINIC_MBOX_HEADER_##field##_MASK)
83 #define HINIC_MBOX_HEADER_SET(val, field) \
84 ((u64)((val) & HINIC_MBOX_HEADER_##field##_MASK) << \
85 HINIC_MBOX_HEADER_##field##_SHIFT)
87 #define HINIC_MBOX_COMP_TIME_MS 8000U
88 #define MBOX_MSG_POLLING_TIMEOUT_MS 5000
90 /* The size unit is Bytes */
91 #define HINIC_MBOX_DATA_SIZE 2040
92 #define MBOX_MAX_BUF_SZ 2048UL
93 #define MBOX_HEADER_SZ 8
95 /* MBOX size is 64B, 8B for mbox_header, 4B reserved */
96 #define MBOX_SEG_LEN 48
97 #define MBOX_SEG_LEN_ALIGN 4
98 #define MBOX_WB_STATUS_LEN 16UL
101 /* mbox write back status is 16B, only first 4B is used */
102 #define MBOX_WB_STATUS_ERRCODE_MASK 0xFFFF
103 #define MBOX_WB_STATUS_MASK 0xFF
104 #define MBOX_WB_ERROR_CODE_MASK 0xFF00
105 #define MBOX_WB_STATUS_FINISHED_SUCCESS 0xFF
106 #define MBOX_WB_STATUS_FINISHED_WITH_ERR 0xFE
107 #define MBOX_WB_STATUS_NOT_FINISHED 0x00
109 #define MBOX_STATUS_FINISHED(wb) \
110 (((wb) & MBOX_WB_STATUS_MASK) != MBOX_WB_STATUS_NOT_FINISHED)
111 #define MBOX_STATUS_SUCCESS(wb) \
112 (((wb) & MBOX_WB_STATUS_MASK) == MBOX_WB_STATUS_FINISHED_SUCCESS)
113 #define MBOX_STATUS_ERRCODE(wb) \
114 ((wb) & MBOX_WB_ERROR_CODE_MASK)
116 #define SEQ_ID_START_VAL 0
118 #define DST_AEQ_IDX_DEFAULT_VAL 0
119 #define SRC_AEQ_IDX_DEFAULT_VAL 0
120 #define NO_DMA_ATTRIBUTE_VAL 0
122 #define MBOX_MSG_NO_DATA_LEN 1
124 #define FUNC_ID_OFF_SET_8B 8
125 #define FUNC_ID_OFF_SET_10B 10
127 #define MBOX_BODY_FROM_HDR(header) ((u8 *)(header) + MBOX_HEADER_SZ)
128 #define MBOX_AREA(hwif) \
129 ((hwif)->cfg_regs_base + HINIC_FUNC_CSR_MAILBOX_DATA_OFF)
131 #define MBOX_RESPONSE_ERROR 0x1
132 #define MBOX_MSG_ID_MASK 0xFF
133 #define MBOX_MSG_ID(func_to_func) ((func_to_func)->send_msg_id)
134 #define MBOX_MSG_ID_INC(func_to_func) (MBOX_MSG_ID(func_to_func) = \
135 (MBOX_MSG_ID(func_to_func) + 1) & MBOX_MSG_ID_MASK)
137 enum hinic_hwif_direction_type {
138 /* driver send msg to up or up send msg to drier*/
139 HINIC_HWIF_DIRECT_SEND = 0,
140 /* after driver/up send msg to each other, then up/driver ack the msg */
145 MBOX_SEND_MSG_POLL = 1
153 enum mbox_ordering_type {
158 enum mbox_write_back_type {
163 enum mbox_aeq_trig_type {
168 static int send_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
169 enum hinic_mod_type mod, u16 cmd, void *msg,
170 u16 msg_len, u16 dst_func,
171 enum hinic_hwif_direction_type direction,
172 enum hinic_mbox_ack_type ack_type,
173 struct mbox_msg_info *msg_info);
175 static int recv_vf_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
176 struct hinic_recv_mbox *recv_mbox,
177 void *buf_out, u16 *out_size, void *param)
182 switch (recv_mbox->mod) {
184 hinic_comm_async_event_handle(func_to_func->hwdev,
185 recv_mbox->cmd, recv_mbox->mbox,
189 case HINIC_MOD_L2NIC:
190 hinic_l2nic_async_event_handle(func_to_func->hwdev, param,
191 recv_mbox->cmd, recv_mbox->mbox,
196 PMD_DRV_LOG(ERR, "No handler, mod = %d",
198 rc = HINIC_MBOX_VF_CMD_ERROR;
205 static void set_mbx_msg_status(struct mbox_msg_info *msg_info, int status)
207 if (status == HINIC_DEV_BUSY_ACTIVE_FW)
208 msg_info->status = HINIC_MBOX_PF_BUSY_ACTIVE_FW;
209 else if (status == HINIC_MBOX_VF_CMD_ERROR)
210 msg_info->status = HINIC_MBOX_VF_CMD_ERROR;
212 msg_info->status = HINIC_MBOX_PF_SEND_ERR;
215 static void recv_func_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
216 struct hinic_recv_mbox *recv_mbox,
217 u16 src_func_idx, void *param)
219 struct hinic_hwdev *dev = func_to_func->hwdev;
220 struct mbox_msg_info msg_info = { 0 };
221 u16 out_size = MBOX_MAX_BUF_SZ;
222 void *buf_out = recv_mbox->buf_out;
225 if (HINIC_IS_VF(dev)) {
226 err = recv_vf_mbox_handler(func_to_func, recv_mbox, buf_out,
230 PMD_DRV_LOG(ERR, "PMD doesn't support non-VF handle mailbox message");
233 if (!out_size || err)
234 out_size = MBOX_MSG_NO_DATA_LEN;
236 if (recv_mbox->ack_type == MBOX_ACK) {
237 msg_info.msg_id = recv_mbox->msg_info.msg_id;
238 set_mbx_msg_status(&msg_info, err);
239 send_mbox_to_func(func_to_func, recv_mbox->mod, recv_mbox->cmd,
240 buf_out, out_size, src_func_idx,
241 HINIC_HWIF_RESPONSE, MBOX_ACK, &msg_info);
245 static bool check_mbox_seq_id_and_seg_len(struct hinic_recv_mbox *recv_mbox,
246 u8 seq_id, u8 seg_len)
248 if (seq_id > HINIC_SEQ_ID_MAX_VAL || seg_len > HINIC_MSG_SEG_LEN)
252 recv_mbox->sed_id = seq_id;
254 if (seq_id != recv_mbox->sed_id + 1) {
255 recv_mbox->sed_id = 0;
259 recv_mbox->sed_id = seq_id;
265 static void clear_mbox_status(struct hinic_send_mbox *mbox)
267 /* clear mailbox write back status */
268 *mbox->wb_status = 0;
272 static void mbox_copy_header(struct hinic_send_mbox *mbox, u64 *header)
274 u32 *data = (u32 *)header;
275 u32 i, idx_max = MBOX_HEADER_SZ / sizeof(u32);
277 for (i = 0; i < idx_max; i++)
278 __raw_writel(*(data + i), mbox->data + i * sizeof(u32));
282 mbox_copy_send_data(struct hinic_send_mbox *mbox, void *seg, u16 seg_len)
284 u32 *data = (u32 *)seg;
285 u32 data_len, chk_sz = sizeof(u32);
287 u8 mbox_max_buf[MBOX_SEG_LEN] = {0};
289 /* The mbox message should be aligned in 4 bytes. */
290 if (seg_len % chk_sz) {
291 memcpy(mbox_max_buf, seg, seg_len);
292 data = (u32 *)mbox_max_buf;
296 idx_max = ALIGN(data_len, chk_sz) / chk_sz;
298 for (i = 0; i < idx_max; i++)
299 __raw_writel(*(data + i),
300 mbox->data + MBOX_HEADER_SZ + i * sizeof(u32));
303 static void write_mbox_msg_attr(struct hinic_mbox_func_to_func *func_to_func,
304 u16 dst_func, u16 dst_aeqn,
305 __rte_unused u16 seg_len, int poll)
307 u32 mbox_int, mbox_ctrl;
309 mbox_int = HINIC_MBOX_INT_SET(dst_func, DST_FUNC) |
310 HINIC_MBOX_INT_SET(dst_aeqn, DST_AEQN) |
311 HINIC_MBOX_INT_SET(HINIC_MBOX_RSP_AEQN, SRC_RESP_AEQN) |
312 HINIC_MBOX_INT_SET(NO_DMA_ATTRIBUTE_VAL, STAT_DMA) |
313 HINIC_MBOX_INT_SET(ALIGN(MBOX_SIZE, MBOX_SEG_LEN_ALIGN) >> 2,
315 HINIC_MBOX_INT_SET(STRONG_ORDER, STAT_DMA_SO_RO) |
316 HINIC_MBOX_INT_SET(WRITE_BACK, WB_EN);
318 hinic_hwif_write_reg(func_to_func->hwdev->hwif,
319 HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF, mbox_int);
322 mbox_ctrl = HINIC_MBOX_CTRL_SET(TX_IN_PROGRESS, TX_STATUS);
325 mbox_ctrl |= HINIC_MBOX_CTRL_SET(NOT_TRIGGER, TRIGGER_AEQE);
327 mbox_ctrl |= HINIC_MBOX_CTRL_SET(TRIGGER, TRIGGER_AEQE);
329 hinic_hwif_write_reg(func_to_func->hwdev->hwif,
330 HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF, mbox_ctrl);
333 static int init_mbox_info(struct hinic_recv_mbox *mbox_info)
337 mbox_info->mbox = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
338 if (!mbox_info->mbox) {
339 PMD_DRV_LOG(ERR, "Alloc mbox buf_in mem failed\n");
343 mbox_info->buf_out = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
344 if (!mbox_info->buf_out) {
345 PMD_DRV_LOG(ERR, "Alloc mbox buf_out mem failed\n");
347 goto alloc_buf_out_err;
353 kfree(mbox_info->mbox);
358 static void clean_mbox_info(struct hinic_recv_mbox *mbox_info)
360 kfree(mbox_info->buf_out);
361 kfree(mbox_info->mbox);
364 static int alloc_mbox_info(struct hinic_recv_mbox *mbox_info)
369 for (func_idx = 0; func_idx < HINIC_MAX_FUNCTIONS; func_idx++) {
370 err = init_mbox_info(&mbox_info[func_idx]);
372 PMD_DRV_LOG(ERR, "Initialize function[%d] mailbox information failed, err: %d",
374 goto init_mbox_info_err;
381 for (i = 0; i < func_idx; i++)
382 clean_mbox_info(&mbox_info[i]);
387 static void free_mbox_info(struct hinic_recv_mbox *mbox_info)
391 for (func_idx = 0; func_idx < HINIC_MAX_FUNCTIONS; func_idx++)
392 clean_mbox_info(&mbox_info[func_idx]);
395 static void prepare_send_mbox(struct hinic_mbox_func_to_func *func_to_func)
397 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
399 send_mbox->data = MBOX_AREA(func_to_func->hwdev->hwif);
402 static int alloc_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func)
404 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
405 struct hinic_hwdev *hwdev = func_to_func->hwdev;
406 struct hinic_hwif *hwif = hwdev->hwif;
409 send_mbox->wb_vaddr = dma_zalloc_coherent(hwdev,
411 &send_mbox->wb_paddr,
413 if (!send_mbox->wb_vaddr) {
414 PMD_DRV_LOG(ERR, "Allocating memory for mailbox wb status failed");
417 send_mbox->wb_status = (volatile u64 *)send_mbox->wb_vaddr;
419 addr_h = upper_32_bits(send_mbox->wb_paddr);
420 addr_l = lower_32_bits(send_mbox->wb_paddr);
421 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF, addr_h);
422 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF, addr_l);
427 static void free_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func)
429 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
430 struct hinic_hwdev *hwdev = func_to_func->hwdev;
431 struct hinic_hwif *hwif = hwdev->hwif;
433 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF, 0);
434 hinic_hwif_write_reg(hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF, 0);
436 dma_free_coherent(hwdev, MBOX_WB_STATUS_LEN,
437 send_mbox->wb_vaddr, send_mbox->wb_paddr);
440 static int recv_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
441 void *header, struct hinic_recv_mbox *recv_mbox, void *param)
443 u64 mbox_header = *((u64 *)header);
444 void *mbox_body = MBOX_BODY_FROM_HDR(header);
446 enum hinic_hwif_direction_type direction;
449 seq_id = HINIC_MBOX_HEADER_GET(mbox_header, SEQID);
450 seg_len = HINIC_MBOX_HEADER_GET(mbox_header, SEG_LEN);
451 direction = HINIC_MBOX_HEADER_GET(mbox_header, DIRECTION);
452 src_func_idx = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX);
454 if (!check_mbox_seq_id_and_seg_len(recv_mbox, seq_id, seg_len)) {
456 "Mailbox sequence and segment check failed, src func id: 0x%x, front id: 0x%x, current id: 0x%x, seg len: 0x%x\n",
457 src_func_idx, recv_mbox->sed_id, seq_id, seg_len);
461 memcpy((u8 *)recv_mbox->mbox + seq_id * HINIC_MSG_SEG_LEN,
464 if (!HINIC_MBOX_HEADER_GET(mbox_header, LAST))
467 recv_mbox->sed_id = 0;
468 recv_mbox->cmd = HINIC_MBOX_HEADER_GET(mbox_header, CMD);
469 recv_mbox->mod = HINIC_MBOX_HEADER_GET(mbox_header, MODULE);
470 recv_mbox->mbox_len = HINIC_MBOX_HEADER_GET(mbox_header, MSG_LEN);
471 recv_mbox->ack_type = HINIC_MBOX_HEADER_GET(mbox_header, NO_ACK);
472 recv_mbox->msg_info.msg_id = HINIC_MBOX_HEADER_GET(mbox_header, MSG_ID);
473 recv_mbox->msg_info.status = HINIC_MBOX_HEADER_GET(mbox_header, STATUS);
475 if (direction == HINIC_HWIF_RESPONSE) {
476 if (recv_mbox->msg_info.msg_id == func_to_func->send_msg_id &&
477 func_to_func->event_flag == EVENT_START) {
481 PMD_DRV_LOG(ERR, "Mbox response timeout, current send msg id(0x%x), recv msg id(0x%x), status(0x%x)",
482 func_to_func->send_msg_id, recv_mbox->msg_info.msg_id,
483 recv_mbox->msg_info.status);
487 recv_func_mbox_handler(func_to_func, recv_mbox, src_func_idx, param);
493 * hinic_mbox_func_aeqe_handler - Process mbox info from func which is
497 * Pointer to hradware nic device.
501 * The size of aeqe descriptor.
503 * customized parameter.
506 * 0 on success, negative error value otherwise.
508 int hinic_mbox_func_aeqe_handler(void *handle, u8 *header,
509 __rte_unused u8 size, void *param)
511 struct hinic_mbox_func_to_func *func_to_func =
512 ((struct hinic_hwdev *)handle)->func_to_func;
513 struct hinic_recv_mbox *recv_mbox;
514 u64 mbox_header = *((u64 *)header);
515 u16 src = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX);
517 if (src >= HINIC_MAX_FUNCTIONS) {
518 PMD_DRV_LOG(ERR, "Mailbox source function id: %d is invalid",
523 recv_mbox = (HINIC_MBOX_HEADER_GET(mbox_header, DIRECTION) ==
524 HINIC_HWIF_DIRECT_SEND) ?
525 &func_to_func->mbox_send[src] :
526 &func_to_func->mbox_resp[src];
528 return recv_mbox_handler(func_to_func, (u64 *)header, recv_mbox, param);
531 static u16 get_mbox_status(struct hinic_send_mbox *mbox)
533 /* write back is 16B, but only use first 4B */
534 u64 wb_val = be64_to_cpu(*mbox->wb_status);
536 rte_rmb(); /* verify reading before check */
538 return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK);
541 static void dump_mox_reg(struct hinic_hwdev *hwdev)
545 val = hinic_hwif_read_reg(hwdev->hwif,
546 HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF);
547 PMD_DRV_LOG(WARNING, "Mailbox control reg: 0x%x", val);
548 val = hinic_hwif_read_reg(hwdev->hwif,
549 HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF);
550 PMD_DRV_LOG(WARNING, "Mailbox interrupt offset: 0x%x", val);
553 static int send_mbox_seg(struct hinic_mbox_func_to_func *func_to_func,
554 u64 header, u16 dst_func, void *seg, u16 seg_len)
556 struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
557 struct hinic_hwdev *hwdev = func_to_func->hwdev;
558 u16 seq_dir = HINIC_MBOX_HEADER_GET(header, DIRECTION);
559 u16 dst_aeqn = (seq_dir == HINIC_HWIF_DIRECT_SEND) ?
560 HINIC_MBOX_RECV_AEQN : HINIC_MBOX_RSP_AEQN;
561 u16 err_code, wb_status = 0;
564 clear_mbox_status(send_mbox);
566 mbox_copy_header(send_mbox, &header);
568 mbox_copy_send_data(send_mbox, seg, seg_len);
570 write_mbox_msg_attr(func_to_func, dst_func, dst_aeqn, seg_len,
575 while (cnt < MBOX_MSG_POLLING_TIMEOUT_MS) {
576 wb_status = get_mbox_status(send_mbox);
577 if (MBOX_STATUS_FINISHED(wb_status))
580 rte_delay_ms(1); /* loop every ms */
584 if (cnt == MBOX_MSG_POLLING_TIMEOUT_MS) {
585 PMD_DRV_LOG(ERR, "Send mailbox segment timeout, wb status: 0x%x",
591 if (!MBOX_STATUS_SUCCESS(wb_status)) {
592 PMD_DRV_LOG(ERR, "Send mailbox segment to function %d error, wb status: 0x%x",
593 dst_func, wb_status);
595 * err_code: 0 responses no errors, other values can
598 err_code = MBOX_STATUS_ERRCODE(wb_status);
599 return err_code ? err_code : -EFAULT;
605 static void set_mbox_to_func_event(struct hinic_mbox_func_to_func *func_to_func,
606 enum mbox_event_state event_flag)
608 spin_lock(&func_to_func->mbox_lock);
609 func_to_func->event_flag = event_flag;
610 spin_unlock(&func_to_func->mbox_lock);
613 static int send_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
614 enum hinic_mod_type mod, u16 cmd, void *msg,
615 u16 msg_len, u16 dst_func,
616 enum hinic_hwif_direction_type direction,
617 enum hinic_mbox_ack_type ack_type,
618 struct mbox_msg_info *msg_info)
620 struct hinic_hwdev *hwdev = func_to_func->hwdev;
623 u16 seg_len = HINIC_MSG_SEG_LEN;
625 u8 *msg_seg = (u8 *)msg;
628 err = hinic_mutex_lock(&func_to_func->msg_send_mutex);
632 header = HINIC_MBOX_HEADER_SET(msg_len, MSG_LEN) |
633 HINIC_MBOX_HEADER_SET(mod, MODULE) |
634 HINIC_MBOX_HEADER_SET(seg_len, SEG_LEN) |
635 HINIC_MBOX_HEADER_SET(ack_type, NO_ACK) |
636 HINIC_MBOX_HEADER_SET(SEQ_ID_START_VAL, SEQID) |
637 HINIC_MBOX_HEADER_SET(NOT_LAST_SEG, LAST) |
638 HINIC_MBOX_HEADER_SET(direction, DIRECTION) |
639 HINIC_MBOX_HEADER_SET(cmd, CMD) |
640 HINIC_MBOX_HEADER_SET(msg_info->msg_id, MSG_ID) |
641 HINIC_MBOX_HEADER_SET(msg_info->status, STATUS) |
642 HINIC_MBOX_HEADER_SET(hinic_global_func_id(hwdev),
645 while (!(HINIC_MBOX_HEADER_GET(header, LAST))) {
646 if (left <= HINIC_MSG_SEG_LEN) {
648 ~(HINIC_MBOX_HEADER_SET(HINIC_MBOX_HEADER_SEG_LEN_MASK,
650 header |= HINIC_MBOX_HEADER_SET(left, SEG_LEN);
651 header |= HINIC_MBOX_HEADER_SET(LAST_SEG, LAST);
656 err = send_mbox_seg(func_to_func, header, dst_func, msg_seg,
659 PMD_DRV_LOG(ERR, "Fail to send mbox seg, err: %d", err);
663 left -= HINIC_MSG_SEG_LEN;
664 msg_seg += HINIC_MSG_SEG_LEN;
667 header &= ~(HINIC_MBOX_HEADER_SET(HINIC_MBOX_HEADER_SEQID_MASK,
669 header |= HINIC_MBOX_HEADER_SET(seq_id, SEQID);
673 (void)hinic_mutex_unlock(&func_to_func->msg_send_mutex);
678 static int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
679 enum hinic_mod_type mod, u16 cmd, u16 dst_func,
680 void *buf_in, u16 in_size, void *buf_out, u16 *out_size,
683 struct hinic_recv_mbox *mbox_for_resp =
684 &func_to_func->mbox_resp[dst_func];
685 struct mbox_msg_info msg_info = {0};
689 err = hinic_mutex_lock(&func_to_func->mbox_send_mutex);
693 msg_info.msg_id = MBOX_MSG_ID_INC(func_to_func);
695 set_mbox_to_func_event(func_to_func, EVENT_START);
697 err = send_mbox_to_func(func_to_func, mod, cmd, buf_in, in_size,
698 dst_func, HINIC_HWIF_DIRECT_SEND,
699 MBOX_ACK, &msg_info);
703 time = msecs_to_jiffies(timeout ? timeout : HINIC_MBOX_COMP_TIME_MS);
704 err = hinic_aeq_poll_msg(func_to_func->rsp_aeq, time, NULL);
706 set_mbox_to_func_event(func_to_func, EVENT_TIMEOUT);
707 PMD_DRV_LOG(ERR, "Send mailbox message time out");
712 set_mbox_to_func_event(func_to_func, EVENT_END);
714 if (mbox_for_resp->msg_info.status) {
715 err = mbox_for_resp->msg_info.status;
716 if (err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
717 PMD_DRV_LOG(ERR, "Mailbox response error: 0x%x",
718 mbox_for_resp->msg_info.status);
720 PMD_DRV_LOG(ERR, "Chip is in active, PF can't process VF message");
726 if (mbox_for_resp->mbox_len && buf_out && out_size) {
727 if (mbox_for_resp->mbox_len <= *out_size) {
728 memcpy(buf_out, mbox_for_resp->mbox,
729 mbox_for_resp->mbox_len);
730 *out_size = mbox_for_resp->mbox_len;
732 PMD_DRV_LOG(ERR, "Mailbox response message len[%u] overflow",
733 mbox_for_resp->mbox_len);
741 (void)hinic_mutex_unlock(&func_to_func->mbox_send_mutex);
747 mbox_func_params_valid(__rte_unused struct hinic_mbox_func_to_func *mbox_obj,
748 void *buf_in, u16 in_size)
750 if (!buf_in || !in_size)
753 if (in_size > HINIC_MBOX_DATA_SIZE) {
754 PMD_DRV_LOG(ERR, "Mailbox message len(%d) exceed limit(%d)",
755 in_size, HINIC_MBOX_DATA_SIZE);
762 static u8 hinic_pf_id_of_vf(void *hwdev)
764 struct hinic_hwif *hwif = ((struct hinic_hwdev *)hwdev)->hwif;
765 return hwif->attr.port_to_port_idx;
769 * hinic_mbox_to_pf - Send mbox info to pf and need pf to response.
772 * Pointer to hardware nic device.
774 * Mode type of hardware.
776 * The command sent to pf.
780 * Input parameter size.
784 * Output parameter size.
789 * 0 on success, negative error value otherwise.
791 int hinic_mbox_to_pf(struct hinic_hwdev *hwdev,
792 enum hinic_mod_type mod, u8 cmd, void *buf_in,
793 u16 in_size, void *buf_out, u16 *out_size, u32 timeout)
795 struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
798 err = mbox_func_params_valid(func_to_func, buf_in, in_size);
800 PMD_DRV_LOG(ERR, "Mailbox parameters check failed: %d", err);
804 if (!HINIC_IS_VF(hwdev)) {
805 PMD_DRV_LOG(ERR, "Input function type error, func_type: %d",
806 hinic_func_type(hwdev));
810 return hinic_mbox_to_func(func_to_func, mod, cmd,
811 hinic_pf_id_of_vf(hwdev), buf_in, in_size,
812 buf_out, out_size, timeout);
816 * hinic_mbox_to_pf_no_ack - Send mbox info to pf and do not need pf to response
819 * Pointer to hardware nic device.
821 * Mode type of hardware.
823 * The command sent to pf.
827 * Input parameter size.
830 * 0 on success, negative error value otherwise.
832 int hinic_mbox_to_pf_no_ack(struct hinic_hwdev *hwdev, enum hinic_mod_type mod,
833 u8 cmd, void *buf_in, u16 in_size)
836 struct mbox_msg_info msg_info = {0};
838 err = hinic_mutex_lock(&hwdev->func_to_func->mbox_send_mutex);
842 err = send_mbox_to_func(hwdev->func_to_func, mod, cmd, buf_in, in_size,
843 hinic_pf_id_of_vf(hwdev), HINIC_HWIF_DIRECT_SEND,
844 MBOX_NO_ACK, &msg_info);
846 PMD_DRV_LOG(ERR, "Send mailbox no ack failed, err: %d", err);
848 (void)hinic_mutex_unlock(&hwdev->func_to_func->mbox_send_mutex);
853 static int hinic_func_to_func_init(struct hinic_hwdev *hwdev)
855 struct hinic_mbox_func_to_func *func_to_func;
858 func_to_func = kzalloc(sizeof(*func_to_func), GFP_KERNEL);
860 PMD_DRV_LOG(ERR, "Allocating memory for func_to_func object failed");
863 hwdev->func_to_func = func_to_func;
864 func_to_func->hwdev = hwdev;
865 (void)hinic_mutex_init(&func_to_func->mbox_send_mutex, NULL);
866 (void)hinic_mutex_init(&func_to_func->msg_send_mutex, NULL);
868 err = alloc_mbox_info(func_to_func->mbox_send);
870 PMD_DRV_LOG(ERR, "Allocating memory for mailbox sending failed");
871 goto alloc_mbox_for_send_err;
874 err = alloc_mbox_info(func_to_func->mbox_resp);
876 PMD_DRV_LOG(ERR, "Allocating memory for mailbox responsing failed");
877 goto alloc_mbox_for_resp_err;
880 err = alloc_mbox_wb_status(func_to_func);
882 goto alloc_wb_status_err;
884 prepare_send_mbox(func_to_func);
889 free_mbox_info(func_to_func->mbox_resp);
891 alloc_mbox_for_resp_err:
892 free_mbox_info(func_to_func->mbox_send);
894 alloc_mbox_for_send_err:
901 * hinic_comm_func_to_func_free - Uninitialize func to func resource.
904 * Pointer to hardware nic device.
906 void hinic_comm_func_to_func_free(struct hinic_hwdev *hwdev)
908 struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
910 free_mbox_wb_status(func_to_func);
911 free_mbox_info(func_to_func->mbox_resp);
912 free_mbox_info(func_to_func->mbox_send);
913 (void)hinic_mutex_destroy(&func_to_func->mbox_send_mutex);
914 (void)hinic_mutex_destroy(&func_to_func->msg_send_mutex);
919 * hinic_comm_func_to_func_init - Initialize func to func resource.
922 * Pointer to hardware nic device.
924 int hinic_comm_func_to_func_init(struct hinic_hwdev *hwdev)
928 rc = hinic_func_to_func_init(hwdev);
932 hwdev->func_to_func->rsp_aeq = &hwdev->aeqs->aeq[HINIC_MBOX_RSP_AEQN];
933 hwdev->func_to_func->recv_aeq = &hwdev->aeqs->aeq[HINIC_MBOX_RECV_AEQN];