numam-dpdk/drivers/net/bnxt/bnxt_cpr.c

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2014-2018 Broadcom
* All rights reserved.
*/
#include <rte_malloc.h>
#include <rte_alarm.h>
#include <rte_cycles.h>
#include "bnxt.h"
#include "bnxt_hwrm.h"
#include "bnxt_ring.h"
#include "hsi_struct_def_dpdk.h"
void bnxt_wait_for_device_shutdown(struct bnxt *bp)
{
uint32_t val, timeout;
/* if HWRM_FUNC_QCAPS_OUTPUT_FLAGS_ERR_RECOVER_RELOAD is set
* in HWRM_FUNC_QCAPS command, wait for FW_STATUS to set
* the SHUTDOWN bit in health register
*/
if (!(bp->recovery_info &&
(bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD)))
return;
/* Driver has to wait for fw_reset_max_msecs or shutdown bit which comes
* first for FW to collect crash dump.
*/
timeout = bp->fw_reset_max_msecs;
/* Driver has to poll for shutdown bit in fw_status register
*
* 1. in case of hot fw upgrade, this bit will be set after all
* function drivers unregistered with fw.
* 2. in case of fw initiated error recovery, this bit will be
* set after fw has collected the core dump
*/
do {
val = bnxt_read_fw_status_reg(bp, BNXT_FW_STATUS_REG);
if (val & BNXT_FW_STATUS_SHUTDOWN)
return;
rte_delay_ms(100);
timeout -= 100;
} while (timeout);
}
static void
bnxt_process_default_vnic_change(struct bnxt *bp,
struct hwrm_async_event_cmpl *async_cmp)
{
uint16_t fid, vnic_state, parent_id, vf_fid, vf_id;
struct bnxt_vf_representor *vf_rep_bp;
struct rte_eth_dev *eth_dev;
bool vfr_found = false;
uint32_t event_data;
if (!BNXT_TRUFLOW_EN(bp))
return;
PMD_DRV_LOG(INFO, "Default vnic change async event received\n");
event_data = rte_le_to_cpu_32(async_cmp->event_data1);
vnic_state = (event_data & BNXT_DEFAULT_VNIC_STATE_MASK) >>
BNXT_DEFAULT_VNIC_STATE_SFT;
if (vnic_state != BNXT_DEFAULT_VNIC_ALLOC)
return;
parent_id = (event_data & BNXT_DEFAULT_VNIC_CHANGE_PF_ID_MASK) >>
BNXT_DEFAULT_VNIC_CHANGE_PF_ID_SFT;
fid = BNXT_PF(bp) ? bp->fw_fid : bp->parent->fid;
if (parent_id != fid || !bp->rep_info)
return;
vf_fid = (event_data & BNXT_DEFAULT_VNIC_CHANGE_VF_ID_MASK) >>
BNXT_DEFAULT_VNIC_CHANGE_VF_ID_SFT;
PMD_DRV_LOG(INFO, "async event received vf_id 0x%x\n", vf_fid);
for (vf_id = 0; vf_id < BNXT_MAX_VF_REPS; vf_id++) {
eth_dev = bp->rep_info[vf_id].vfr_eth_dev;
if (!eth_dev)
continue;
vf_rep_bp = eth_dev->data->dev_private;
if (vf_rep_bp &&
vf_rep_bp->fw_fid == vf_fid) {
vfr_found = true;
break;
}
}
if (!vfr_found)
return;
bnxt_vf_rep_dev_start_op(eth_dev);
}
/*
* Async event handling
*/
void bnxt_handle_async_event(struct bnxt *bp,
struct cmpl_base *cmp)
{
struct hwrm_async_event_cmpl *async_cmp =
(struct hwrm_async_event_cmpl *)cmp;
uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id);
struct bnxt_error_recovery_info *info;
uint32_t event_data;
switch (event_id) {
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
/* FALLTHROUGH */
bnxt_link_update(bp->eth_dev, 0, ETH_LINK_UP);
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
bnxt_hwrm_func_qcfg(bp, NULL);
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
PMD_DRV_LOG(INFO, "Port conn async event\n");
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
/* Ignore reset notify async events when stopping the port */
if (!bp->eth_dev->data->dev_started) {
bp->flags |= BNXT_FLAG_FATAL_ERROR;
return;
}
event_data = rte_le_to_cpu_32(async_cmp->event_data1);
/* timestamp_lo/hi values are in units of 100ms */
bp->fw_reset_max_msecs = async_cmp->timestamp_hi ?
rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 :
BNXT_MAX_FW_RESET_TIMEOUT;
bp->fw_reset_min_msecs = async_cmp->timestamp_lo ?
async_cmp->timestamp_lo * 100 :
BNXT_MIN_FW_READY_TIMEOUT;
if ((event_data & EVENT_DATA1_REASON_CODE_MASK) ==
EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) {
PMD_DRV_LOG(INFO,
"Firmware fatal reset event received\n");
bp->flags |= BNXT_FLAG_FATAL_ERROR;
} else {
PMD_DRV_LOG(INFO,
"Firmware non-fatal reset event received\n");
}
bp->flags |= BNXT_FLAG_FW_RESET;
rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume,
(void *)bp);
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY:
info = bp->recovery_info;
if (!info)
return;
PMD_DRV_LOG(INFO, "Error recovery async event received\n");
event_data = rte_le_to_cpu_32(async_cmp->event_data1) &
EVENT_DATA1_FLAGS_MASK;
if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC)
info->flags |= BNXT_FLAG_MASTER_FUNC;
else
info->flags &= ~BNXT_FLAG_MASTER_FUNC;
if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED)
info->flags |= BNXT_FLAG_RECOVERY_ENABLED;
else
info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED;
PMD_DRV_LOG(INFO, "recovery enabled(%d), master function(%d)\n",
bnxt_is_recovery_enabled(bp),
bnxt_is_master_func(bp));
if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED)
return;
info->last_heart_beat =
bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG);
info->last_reset_counter =
bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG);
bnxt_schedule_fw_health_check(bp);
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION:
PMD_DRV_LOG(INFO, "DNC event: evt_data1 %#x evt_data2 %#x\n",
rte_le_to_cpu_32(async_cmp->event_data1),
rte_le_to_cpu_32(async_cmp->event_data2));
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEFAULT_VNIC_CHANGE:
bnxt_process_default_vnic_change(bp, async_cmp);
break;
default:
PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id);
break;
}
}
void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
{
struct hwrm_exec_fwd_resp_input *fwreq;
struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl;
struct input *fwd_cmd;
uint16_t fw_vf_id;
uint16_t vf_id;
uint16_t req_len;
int rc;
if (bp->pf->active_vfs <= 0) {
PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
return;
}
/* Qualify the fwd request */
fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
vf_id = fw_vf_id - bp->pf->first_vf_id;
req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
HWRM_FWD_REQ_CMPL_REQ_LEN_SFT;
if (req_len > sizeof(fwreq->encap_request))
req_len = sizeof(fwreq->encap_request);
/* Locate VF's forwarded command */
fwd_cmd = (struct input *)bp->pf->vf_info[vf_id].req_buf;
if (fw_vf_id < bp->pf->first_vf_id ||
fw_vf_id >= bp->pf->first_vf_id + bp->pf->active_vfs) {
PMD_DRV_LOG(ERR,
"FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
fw_vf_id, bp->pf->first_vf_id,
(bp->pf->first_vf_id) + bp->pf->active_vfs - 1,
bp->pf->first_vf_id, bp->pf->active_vfs);
goto reject;
}
if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) {
/*
* In older firmware versions, the MAC had to be all zeros for
* the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
* zeros if it's being configured and has been ok'd by caller.
*/
if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) {
struct hwrm_func_vf_cfg_input *vfc = (void *)fwd_cmd;
if (vfc->enables &
HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) {
bnxt_hwrm_func_vf_mac(bp, vf_id,
(const uint8_t *)"\x00\x00\x00\x00\x00");
}
}
if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
struct hwrm_cfa_l2_set_rx_mask_input *srm =
(void *)fwd_cmd;
srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0);
srm->num_vlan_tags = rte_cpu_to_le_32(0);
srm->mask &= ~rte_cpu_to_le_32(
HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY |
HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN |
HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
}
/* Forward */
rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
if (rc) {
PMD_DRV_LOG(ERR,
"Failed to send FWD req VF 0x%x, type 0x%x.\n",
fw_vf_id - bp->pf->first_vf_id,
rte_le_to_cpu_16(fwd_cmd->req_type));
}
return;
}
reject:
rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
if (rc) {
PMD_DRV_LOG(ERR,
"Failed to send REJECT req VF 0x%x, type 0x%x.\n",
fw_vf_id - bp->pf->first_vf_id,
rte_le_to_cpu_16(fwd_cmd->req_type));
}
return;
}
int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp)
{
bool evt = 0;
if (bp == NULL || cmp == NULL) {
PMD_DRV_LOG(ERR, "invalid NULL argument\n");
return evt;
}
if (unlikely(is_bnxt_in_error(bp)))
return 0;
switch (CMP_TYPE(cmp)) {
case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
/* Handle any async event */
bnxt_handle_async_event(bp, cmp);
evt = 1;
break;
case CMPL_BASE_TYPE_HWRM_FWD_RESP:
/* Handle HWRM forwarded responses */
bnxt_handle_fwd_req(bp, cmp);
evt = 1;
break;
default:
/* Ignore any other events */
PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp));
break;
}
return evt;
}
bool bnxt_is_master_func(struct bnxt *bp)
{
if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC)
return true;
return false;
}
bool bnxt_is_recovery_enabled(struct bnxt *bp)
{
struct bnxt_error_recovery_info *info;
info = bp->recovery_info;
if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED))
return true;
return false;
}