8e6857f76d
The admin API is growing and deserves its own include. Move it from adf_common_drv.h to adf_admin.h. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Damian Muszynski <damian.muszynski@intel.com> Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/* Copyright(c) 2023 Intel Corporation */
|
|
|
|
#include <linux/container_of.h>
|
|
#include <linux/dev_printk.h>
|
|
#include <linux/export.h>
|
|
#include <linux/jiffies.h>
|
|
#include <linux/ktime.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/workqueue.h>
|
|
|
|
#include "adf_admin.h"
|
|
#include "adf_accel_devices.h"
|
|
#include "adf_common_drv.h"
|
|
#include "adf_gen4_timer.h"
|
|
|
|
#define ADF_GEN4_TIMER_PERIOD_MS 200
|
|
|
|
/* This periodic update is used to trigger HB, RL & TL fw events */
|
|
static void work_handler(struct work_struct *work)
|
|
{
|
|
struct adf_accel_dev *accel_dev;
|
|
struct adf_timer *timer_ctx;
|
|
u32 time_periods;
|
|
|
|
timer_ctx = container_of(to_delayed_work(work), struct adf_timer, work_ctx);
|
|
accel_dev = timer_ctx->accel_dev;
|
|
|
|
adf_misc_wq_queue_delayed_work(&timer_ctx->work_ctx,
|
|
msecs_to_jiffies(ADF_GEN4_TIMER_PERIOD_MS));
|
|
|
|
time_periods = div_u64(ktime_ms_delta(ktime_get_real(), timer_ctx->initial_ktime),
|
|
ADF_GEN4_TIMER_PERIOD_MS);
|
|
|
|
if (adf_send_admin_tim_sync(accel_dev, time_periods))
|
|
dev_err(&GET_DEV(accel_dev), "Failed to synchronize qat timer\n");
|
|
}
|
|
|
|
int adf_gen4_timer_start(struct adf_accel_dev *accel_dev)
|
|
{
|
|
struct adf_timer *timer_ctx;
|
|
|
|
timer_ctx = kzalloc(sizeof(*timer_ctx), GFP_KERNEL);
|
|
if (!timer_ctx)
|
|
return -ENOMEM;
|
|
|
|
timer_ctx->accel_dev = accel_dev;
|
|
accel_dev->timer = timer_ctx;
|
|
timer_ctx->initial_ktime = ktime_get_real();
|
|
|
|
INIT_DELAYED_WORK(&timer_ctx->work_ctx, work_handler);
|
|
adf_misc_wq_queue_delayed_work(&timer_ctx->work_ctx,
|
|
msecs_to_jiffies(ADF_GEN4_TIMER_PERIOD_MS));
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(adf_gen4_timer_start);
|
|
|
|
void adf_gen4_timer_stop(struct adf_accel_dev *accel_dev)
|
|
{
|
|
struct adf_timer *timer_ctx = accel_dev->timer;
|
|
|
|
if (!timer_ctx)
|
|
return;
|
|
|
|
cancel_delayed_work_sync(&timer_ctx->work_ctx);
|
|
|
|
kfree(timer_ctx);
|
|
accel_dev->timer = NULL;
|
|
}
|
|
EXPORT_SYMBOL_GPL(adf_gen4_timer_stop);
|