1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
6 #include <rte_malloc.h>
8 #include <rte_cycles.h>
11 #include "bnxt_hwrm.h"
12 #include "bnxt_ring.h"
13 #include "hsi_struct_def_dpdk.h"
15 void bnxt_wait_for_device_shutdown(struct bnxt *bp)
17 uint32_t val, timeout;
19 /* if HWRM_FUNC_QCAPS_OUTPUT_FLAGS_ERR_RECOVER_RELOAD is set
20 * in HWRM_FUNC_QCAPS command, wait for FW_STATUS to set
21 * the SHUTDOWN bit in health register
23 if (!(bp->recovery_info &&
24 (bp->flags & BNXT_FLAG_FW_CAP_ERR_RECOVER_RELOAD)))
27 /* Driver has to wait for fw_reset_max_msecs or shutdown bit which comes
28 * first for FW to collect crash dump.
30 timeout = bp->fw_reset_max_msecs;
32 /* Driver has to poll for shutdown bit in fw_status register
34 * 1. in case of hot fw upgrade, this bit will be set after all
35 * function drivers unregistered with fw.
36 * 2. in case of fw initiated error recovery, this bit will be
37 * set after fw has collected the core dump
40 val = bnxt_read_fw_status_reg(bp, BNXT_FW_STATUS_REG);
41 if (val & BNXT_FW_STATUS_SHUTDOWN)
50 * Async event handling
52 void bnxt_handle_async_event(struct bnxt *bp,
53 struct cmpl_base *cmp)
55 struct hwrm_async_event_cmpl *async_cmp =
56 (struct hwrm_async_event_cmpl *)cmp;
57 uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id);
58 struct bnxt_error_recovery_info *info;
61 /* TODO: HWRM async events are not defined yet */
62 /* Needs to handle: link events, error events, etc. */
64 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
65 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
66 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
68 bnxt_link_update_op(bp->eth_dev, 0);
70 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
71 PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
73 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
74 PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
75 bnxt_hwrm_func_qcfg(bp, NULL);
77 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
78 PMD_DRV_LOG(INFO, "Port conn async event\n");
80 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
81 event_data = rte_le_to_cpu_32(async_cmp->event_data1);
82 /* timestamp_lo/hi values are in units of 100ms */
83 bp->fw_reset_max_msecs = async_cmp->timestamp_hi ?
84 rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 :
85 BNXT_MAX_FW_RESET_TIMEOUT;
86 bp->fw_reset_min_msecs = async_cmp->timestamp_lo ?
87 async_cmp->timestamp_lo * 100 :
88 BNXT_MIN_FW_READY_TIMEOUT;
89 if ((event_data & EVENT_DATA1_REASON_CODE_MASK) ==
90 EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) {
92 "Firmware fatal reset event received\n");
93 bp->flags |= BNXT_FLAG_FATAL_ERROR;
96 "Firmware non-fatal reset event received\n");
99 bp->flags |= BNXT_FLAG_FW_RESET;
100 rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume,
103 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY:
104 info = bp->recovery_info;
109 PMD_DRV_LOG(INFO, "Error recovery async event received\n");
111 event_data = rte_le_to_cpu_32(async_cmp->event_data1) &
112 EVENT_DATA1_FLAGS_MASK;
114 if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC)
115 info->flags |= BNXT_FLAG_MASTER_FUNC;
117 info->flags &= ~BNXT_FLAG_MASTER_FUNC;
119 if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED)
120 info->flags |= BNXT_FLAG_RECOVERY_ENABLED;
122 info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED;
124 PMD_DRV_LOG(INFO, "recovery enabled(%d), master function(%d)\n",
125 bnxt_is_recovery_enabled(bp),
126 bnxt_is_master_func(bp));
128 if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED)
131 info->last_heart_beat =
132 bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG);
133 info->last_reset_counter =
134 bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG);
136 bnxt_schedule_fw_health_check(bp);
139 PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id);
144 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
146 struct hwrm_exec_fwd_resp_input *fwreq;
147 struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl;
148 struct input *fwd_cmd;
154 if (bp->pf.active_vfs <= 0) {
155 PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
159 /* Qualify the fwd request */
160 fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
161 vf_id = fw_vf_id - bp->pf.first_vf_id;
163 req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
164 HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
165 HWRM_FWD_REQ_CMPL_REQ_LEN_SFT;
166 if (req_len > sizeof(fwreq->encap_request))
167 req_len = sizeof(fwreq->encap_request);
169 /* Locate VF's forwarded command */
170 fwd_cmd = (struct input *)bp->pf.vf_info[vf_id].req_buf;
172 if (fw_vf_id < bp->pf.first_vf_id ||
173 fw_vf_id >= (bp->pf.first_vf_id) + bp->pf.active_vfs) {
175 "FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
176 fw_vf_id, bp->pf.first_vf_id,
177 (bp->pf.first_vf_id) + bp->pf.active_vfs - 1,
178 bp->pf.first_vf_id, bp->pf.active_vfs);
182 if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) {
184 * In older firmware versions, the MAC had to be all zeros for
185 * the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
186 * zeros if it's being configured and has been ok'd by caller.
188 if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) {
189 struct hwrm_func_vf_cfg_input *vfc = (void *)fwd_cmd;
192 HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) {
193 bnxt_hwrm_func_vf_mac(bp, vf_id,
194 (const uint8_t *)"\x00\x00\x00\x00\x00");
197 if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
198 struct hwrm_cfa_l2_set_rx_mask_input *srm =
201 srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0);
202 srm->num_vlan_tags = rte_cpu_to_le_32(0);
203 srm->mask &= ~rte_cpu_to_le_32(
204 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY |
205 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN |
206 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
209 rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
212 "Failed to send FWD req VF 0x%x, type 0x%x.\n",
213 fw_vf_id - bp->pf.first_vf_id,
214 rte_le_to_cpu_16(fwd_cmd->req_type));
220 rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
223 "Failed to send REJECT req VF 0x%x, type 0x%x.\n",
224 fw_vf_id - bp->pf.first_vf_id,
225 rte_le_to_cpu_16(fwd_cmd->req_type));
231 int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp)
235 if (bp == NULL || cmp == NULL) {
236 PMD_DRV_LOG(ERR, "invalid NULL argument\n");
240 if (unlikely(is_bnxt_in_error(bp)))
243 switch (CMP_TYPE(cmp)) {
244 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
245 /* Handle any async event */
246 bnxt_handle_async_event(bp, cmp);
249 case CMPL_BASE_TYPE_HWRM_FWD_RESP:
250 /* Handle HWRM forwarded responses */
251 bnxt_handle_fwd_req(bp, cmp);
255 /* Ignore any other events */
256 PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp));
263 bool bnxt_is_master_func(struct bnxt *bp)
265 if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC)
271 bool bnxt_is_recovery_enabled(struct bnxt *bp)
273 struct bnxt_error_recovery_info *info;
275 info = bp->recovery_info;
276 if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED))