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/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright(c) 2007-2025 Intel Corporation */
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/priv.h>
#include "adf_heartbeat_dbg.h"
#include "adf_common_drv.h"
#include "adf_cfg.h"
#include "adf_heartbeat.h"
#define HB_SYSCTL_ERR(RC) \
do { \
if (RC == NULL) { \
printf( \
"Memory allocation failed in adf_heartbeat_dbg_add\n"); \
return ENOMEM; \
} \
} while (0)
static int qat_dev_hb_read_sent(SYSCTL_HANDLER_ARGS)
{
struct adf_accel_dev *accel_dev = arg1;
struct adf_heartbeat *hb;
int error = EFAULT;
if (priv_check(curthread, PRIV_DRIVER) != 0)
return EPERM;
if (accel_dev == NULL)
return EINVAL;
hb = accel_dev->heartbeat;
error = sysctl_handle_int(oidp, &hb->hb_sent_counter, 0, req);
if (error || !req->newptr)
return error;
return (0);
}
static int qat_dev_hb_read_failed(SYSCTL_HANDLER_ARGS)
{
struct adf_accel_dev *accel_dev = arg1;
struct adf_heartbeat *hb;
int error = EFAULT;
if (priv_check(curthread, PRIV_DRIVER) != 0)
return EPERM;
if (accel_dev == NULL)
return EINVAL;
hb = accel_dev->heartbeat;
error = sysctl_handle_int(oidp, &hb->hb_failed_counter, 0, req);
if (error || !req->newptr)
return error;
return (0);
}
/* Handler for HB status check */
static int qat_dev_hb_read(SYSCTL_HANDLER_ARGS)
{
enum adf_device_heartbeat_status hb_status = DEV_HB_UNRESPONSIVE;
struct adf_accel_dev *accel_dev = arg1;
struct adf_heartbeat *hb;
int ret = 0;
if (priv_check(curthread, PRIV_DRIVER) != 0)
return EPERM;
if (accel_dev == NULL) {
return EINVAL;
}
hb = accel_dev->heartbeat;
/* if FW is loaded, proceed else set heartbeat down */
if (test_bit(ADF_STATUS_AE_UCODE_LOADED, &accel_dev->status)) {
adf_heartbeat_status(accel_dev, &hb_status);
}
if (hb_status == DEV_HB_ALIVE) {
hb->heartbeat.hb_sysctlvar = 1;
} else {
hb->heartbeat.hb_sysctlvar = 0;
}
ret = sysctl_handle_int(oidp, &hb->heartbeat.hb_sysctlvar, 0, req);
return ret;
}
int
adf_heartbeat_dbg_add(struct adf_accel_dev *accel_dev)
{
struct sysctl_ctx_list *qat_hb_sysctl_ctx;
struct sysctl_oid *qat_hb_sysctl_tree;
struct adf_heartbeat *hb;
if (accel_dev == NULL) {
return EINVAL;
}
if (adf_heartbeat_init(accel_dev))
return EINVAL;
hb = accel_dev->heartbeat;
qat_hb_sysctl_ctx =
device_get_sysctl_ctx(accel_dev->accel_pci_dev.pci_dev);
qat_hb_sysctl_tree =
device_get_sysctl_tree(accel_dev->accel_pci_dev.pci_dev);
hb->heartbeat_sent.oid =
SYSCTL_ADD_PROC(qat_hb_sysctl_ctx,
SYSCTL_CHILDREN(qat_hb_sysctl_tree),
OID_AUTO,
"heartbeat_sent",
CTLTYPE_INT | CTLFLAG_RD,
accel_dev,
0,
qat_dev_hb_read_sent,
"IU",
"HB failed count");
HB_SYSCTL_ERR(hb->heartbeat_sent.oid);
hb->heartbeat_failed.oid =
SYSCTL_ADD_PROC(qat_hb_sysctl_ctx,
SYSCTL_CHILDREN(qat_hb_sysctl_tree),
OID_AUTO,
"heartbeat_failed",
CTLTYPE_INT | CTLFLAG_RD,
accel_dev,
0,
qat_dev_hb_read_failed,
"IU",
"HB failed count");
HB_SYSCTL_ERR(hb->heartbeat_failed.oid);
hb->heartbeat.oid = SYSCTL_ADD_PROC(qat_hb_sysctl_ctx,
SYSCTL_CHILDREN(qat_hb_sysctl_tree),
OID_AUTO,
"heartbeat",
CTLTYPE_INT | CTLFLAG_RD,
accel_dev,
0,
qat_dev_hb_read,
"IU",
"QAT device status");
HB_SYSCTL_ERR(hb->heartbeat.oid);
return 0;
}
int
adf_heartbeat_dbg_del(struct adf_accel_dev *accel_dev)
{
struct sysctl_ctx_list *qat_sysctl_ctx;
struct adf_heartbeat *hb;
if (!accel_dev) {
return EINVAL;
}
hb = accel_dev->heartbeat;
qat_sysctl_ctx =
device_get_sysctl_ctx(accel_dev->accel_pci_dev.pci_dev);
if (hb->heartbeat.oid) {
sysctl_ctx_entry_del(qat_sysctl_ctx, hb->heartbeat.oid);
sysctl_remove_oid(hb->heartbeat.oid, 1, 1);
hb->heartbeat.oid = NULL;
}
if (hb->heartbeat_failed.oid) {
sysctl_ctx_entry_del(qat_sysctl_ctx, hb->heartbeat_failed.oid);
sysctl_remove_oid(hb->heartbeat_failed.oid, 1, 1);
hb->heartbeat_failed.oid = NULL;
}
if (hb->heartbeat_sent.oid) {
sysctl_ctx_entry_del(qat_sysctl_ctx, hb->heartbeat_sent.oid);
sysctl_remove_oid(hb->heartbeat_sent.oid, 1, 1);
hb->heartbeat_sent.oid = NULL;
}
adf_heartbeat_clean(accel_dev);
return 0;
}
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