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;
62 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
63 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
64 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
66 bnxt_link_update_op(bp->eth_dev, 0);
68 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
69 PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
71 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
72 PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
73 bnxt_hwrm_func_qcfg(bp, NULL);
75 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
76 PMD_DRV_LOG(INFO, "Port conn async event\n");
78 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
79 event_data = rte_le_to_cpu_32(async_cmp->event_data1);
80 /* timestamp_lo/hi values are in units of 100ms */
81 bp->fw_reset_max_msecs = async_cmp->timestamp_hi ?
82 rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 :
83 BNXT_MAX_FW_RESET_TIMEOUT;
84 bp->fw_reset_min_msecs = async_cmp->timestamp_lo ?
85 async_cmp->timestamp_lo * 100 :
86 BNXT_MIN_FW_READY_TIMEOUT;
87 if ((event_data & EVENT_DATA1_REASON_CODE_MASK) ==
88 EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) {
90 "Firmware fatal reset event received\n");
91 bp->flags |= BNXT_FLAG_FATAL_ERROR;
94 "Firmware non-fatal reset event received\n");
97 bp->flags |= BNXT_FLAG_FW_RESET;
98 rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume,
101 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY:
102 info = bp->recovery_info;
107 PMD_DRV_LOG(INFO, "Error recovery async event received\n");
109 event_data = rte_le_to_cpu_32(async_cmp->event_data1) &
110 EVENT_DATA1_FLAGS_MASK;
112 if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC)
113 info->flags |= BNXT_FLAG_MASTER_FUNC;
115 info->flags &= ~BNXT_FLAG_MASTER_FUNC;
117 if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED)
118 info->flags |= BNXT_FLAG_RECOVERY_ENABLED;
120 info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED;
122 PMD_DRV_LOG(INFO, "recovery enabled(%d), master function(%d)\n",
123 bnxt_is_recovery_enabled(bp),
124 bnxt_is_master_func(bp));
126 if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED)
129 info->last_heart_beat =
130 bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG);
131 info->last_reset_counter =
132 bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG);
134 bnxt_schedule_fw_health_check(bp);
137 PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id);
142 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
144 struct hwrm_exec_fwd_resp_input *fwreq;
145 struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl;
146 struct input *fwd_cmd;
152 if (bp->pf.active_vfs <= 0) {
153 PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
157 /* Qualify the fwd request */
158 fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
159 vf_id = fw_vf_id - bp->pf.first_vf_id;
161 req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
162 HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
163 HWRM_FWD_REQ_CMPL_REQ_LEN_SFT;
164 if (req_len > sizeof(fwreq->encap_request))
165 req_len = sizeof(fwreq->encap_request);
167 /* Locate VF's forwarded command */
168 fwd_cmd = (struct input *)bp->pf.vf_info[vf_id].req_buf;
170 if (fw_vf_id < bp->pf.first_vf_id ||
171 fw_vf_id >= (bp->pf.first_vf_id) + bp->pf.active_vfs) {
173 "FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
174 fw_vf_id, bp->pf.first_vf_id,
175 (bp->pf.first_vf_id) + bp->pf.active_vfs - 1,
176 bp->pf.first_vf_id, bp->pf.active_vfs);
180 if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) {
182 * In older firmware versions, the MAC had to be all zeros for
183 * the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
184 * zeros if it's being configured and has been ok'd by caller.
186 if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) {
187 struct hwrm_func_vf_cfg_input *vfc = (void *)fwd_cmd;
190 HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) {
191 bnxt_hwrm_func_vf_mac(bp, vf_id,
192 (const uint8_t *)"\x00\x00\x00\x00\x00");
195 if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
196 struct hwrm_cfa_l2_set_rx_mask_input *srm =
199 srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0);
200 srm->num_vlan_tags = rte_cpu_to_le_32(0);
201 srm->mask &= ~rte_cpu_to_le_32(
202 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY |
203 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN |
204 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
207 rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
210 "Failed to send FWD req VF 0x%x, type 0x%x.\n",
211 fw_vf_id - bp->pf.first_vf_id,
212 rte_le_to_cpu_16(fwd_cmd->req_type));
218 rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
221 "Failed to send REJECT req VF 0x%x, type 0x%x.\n",
222 fw_vf_id - bp->pf.first_vf_id,
223 rte_le_to_cpu_16(fwd_cmd->req_type));
229 int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp)
233 if (bp == NULL || cmp == NULL) {
234 PMD_DRV_LOG(ERR, "invalid NULL argument\n");
238 if (unlikely(is_bnxt_in_error(bp)))
241 switch (CMP_TYPE(cmp)) {
242 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
243 /* Handle any async event */
244 bnxt_handle_async_event(bp, cmp);
247 case CMPL_BASE_TYPE_HWRM_FWD_RESP:
248 /* Handle HWRM forwarded responses */
249 bnxt_handle_fwd_req(bp, cmp);
253 /* Ignore any other events */
254 PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp));
261 bool bnxt_is_master_func(struct bnxt *bp)
263 if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC)
269 bool bnxt_is_recovery_enabled(struct bnxt *bp)
271 struct bnxt_error_recovery_info *info;
273 info = bp->recovery_info;
274 if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED))