/**
* @brief Configure HW counters collection
*/
mali_error kbase_instr_hwcnt_setup(kbase_context *kctx, kbase_uk_hwcnt_setup *setup)
{
mali_error err = MALI_ERROR_FUNCTION_FAILED;
kbase_device *kbdev;
KBASE_DEBUG_ASSERT(NULL != kctx);
kbdev = kctx->kbdev;
KBASE_DEBUG_ASSERT(NULL != kbdev);
if (NULL == setup) {
/* Bad parameter - abort */
goto out;
}
if (setup->dump_buffer != 0ULL) {
/* Enable HW counters */
err = kbase_instr_hwcnt_enable(kctx, setup);
} else {
/* Disable HW counters */
err = kbase_instr_hwcnt_disable(kctx);
}
out:
return err;
}
void kbase_gator_hwcnt_term(struct kbase_gator_hwcnt_info *in_out_info, struct kbase_gator_hwcnt_handles *opaque_handles)
{
if (in_out_info)
kfree(in_out_info->hwc_layout);
if (opaque_handles) {
kbase_instr_hwcnt_disable(opaque_handles->kctx);
kbase_vunmap(opaque_handles->kctx, &opaque_handles->hwcnt_map);
kbase_mem_free(opaque_handles->kctx, opaque_handles->hwcnt_gpu_va);
kbase_destroy_context(opaque_handles->kctx);
kbase_release_device(opaque_handles->kbdev);
kfree(opaque_handles);
}
}
/* Disable instrumentation and wait for any existing dump to complete
* It's assumed that there's only one privileged context
* Safe to do this without lock when doing an OS suspend, because it only
* changes in response to user-space IOCTLs */
void kbase_instr_hwcnt_suspend(kbase_device *kbdev)
{
kbase_context *kctx;
KBASE_DEBUG_ASSERT(kbdev);
KBASE_DEBUG_ASSERT(!kbdev->hwcnt.suspended_kctx);
kctx = kbdev->hwcnt.kctx;
kbdev->hwcnt.suspended_kctx = kctx;
/* Relevant state was saved into hwcnt.suspended_state when enabling the
* counters */
if (kctx)
{
KBASE_DEBUG_ASSERT(kctx->jctx.sched_info.ctx.flags & KBASE_CTX_FLAG_PRIVILEGED);
kbase_instr_hwcnt_disable(kctx);
}
}
