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// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
/*
*
* (C) COPYRIGHT 2020-2021 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#include <mali_kbase.h>
#include "debug/mali_kbase_debug_ktrace_internal.h"
#include "debug/backend/mali_kbase_debug_ktrace_csf.h"
#if KBASE_KTRACE_TARGET_RBUF
void kbasep_ktrace_backend_format_header(char *buffer, int sz, s32 *written)
{
*written += MAX(snprintf(buffer + *written, MAX(sz - *written, 0),
"group,slot,prio,csi,kcpu"), 0);
}
void kbasep_ktrace_backend_format_msg(struct kbase_ktrace_msg *trace_msg,
char *buffer, int sz, s32 *written)
{
const union kbase_ktrace_backend * const be_msg = &trace_msg->backend;
/* At present, no need to check for KBASE_KTRACE_FLAG_BACKEND, as the
* other backend-specific flags currently imply this anyway
*/
/* group parts */
if (be_msg->gpu.flags & KBASE_KTRACE_FLAG_CSF_GROUP) {
const s8 slot = be_msg->gpu.csg_nr;
/* group,slot, */
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"%u,%d,", be_msg->gpu.group_handle, slot), 0);
/* prio */
if (slot >= 0)
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"%u", be_msg->gpu.slot_prio), 0);
/* , */
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
","), 0);
} else {
/* No group,slot,prio fields, but ensure ending with "," */
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
",,,"), 0);
}
/* queue parts: csi */
if (trace_msg->backend.gpu.flags & KBASE_KTRACE_FLAG_CSF_QUEUE)
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"%d", be_msg->gpu.csi_index), 0);
/* , */
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
","), 0);
if (be_msg->gpu.flags & KBASE_KTRACE_FLAG_CSF_KCPU) {
/* kcpu data */
*written += MAX(snprintf(buffer + *written,
MAX(sz - *written, 0),
"kcpu %d (0x%llx)",
be_msg->kcpu.id,
be_msg->kcpu.extra_info_val), 0);
}
/* Don't end with a trailing "," - this is a 'standalone' formatted
* msg, caller will handle the delimiters
*/
}
void kbasep_ktrace_add_csf(struct kbase_device *kbdev,
enum kbase_ktrace_code code, struct kbase_queue_group *group,
struct kbase_queue *queue, kbase_ktrace_flag_t flags,
u64 info_val)
{
unsigned long irqflags;
struct kbase_ktrace_msg *trace_msg;
struct kbase_context *kctx = NULL;
spin_lock_irqsave(&kbdev->ktrace.lock, irqflags);
/* Reserve and update indices */
trace_msg = kbasep_ktrace_reserve(&kbdev->ktrace);
/* Determine the kctx */
if (group)
kctx = group->kctx;
else if (queue)
kctx = queue->kctx;
/* Fill the common part of the message (including backend.gpu.flags) */
kbasep_ktrace_msg_init(&kbdev->ktrace, trace_msg, code, kctx, flags,
info_val);
/* Indicate to the common code that backend-specific parts will be
* valid
*/
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_BACKEND;
/* Fill the CSF-specific parts of the message
*
* Generally, no need to use default initializers when queue/group not
* present - can usually check the flags instead.
*/
if (queue) {
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_CSF_QUEUE;
trace_msg->backend.gpu.csi_index = queue->csi_index;
}
if (group) {
const s8 slot = group->csg_nr;
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_CSF_GROUP;
trace_msg->backend.gpu.csg_nr = slot;
if (slot >= 0) {
struct kbase_csf_csg_slot *csg_slot =
&kbdev->csf.scheduler.csg_slots[slot];
trace_msg->backend.gpu.slot_prio =
csg_slot->priority;
}
/* slot >=0 indicates whether slot_prio valid, so no need to
* initialize in the case where it's invalid
*/
trace_msg->backend.gpu.group_handle = group->handle;
}
WARN_ON((trace_msg->backend.gpu.flags & ~KBASE_KTRACE_FLAG_ALL));
/* Done */
spin_unlock_irqrestore(&kbdev->ktrace.lock, irqflags);
}
void kbasep_ktrace_add_csf_kcpu(struct kbase_device *kbdev,
enum kbase_ktrace_code code,
struct kbase_kcpu_command_queue *queue,
u64 info_val1, u64 info_val2)
{
unsigned long irqflags;
struct kbase_ktrace_msg *trace_msg;
struct kbase_context *kctx = queue->kctx;
spin_lock_irqsave(&kbdev->ktrace.lock, irqflags);
/* Reserve and update indices */
trace_msg = kbasep_ktrace_reserve(&kbdev->ktrace);
/* Fill the common part of the message */
kbasep_ktrace_msg_init(&kbdev->ktrace, trace_msg, code, kctx, 0,
info_val1);
/* Indicate to the common code that backend-specific parts will be
* valid
*/
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_BACKEND;
/* Fill the KCPU-specific parts of the message */
trace_msg->backend.kcpu.id = queue->id;
trace_msg->backend.kcpu.extra_info_val = info_val2;
trace_msg->backend.gpu.flags |= KBASE_KTRACE_FLAG_CSF_KCPU;
WARN_ON((trace_msg->backend.gpu.flags & ~KBASE_KTRACE_FLAG_ALL));
/* Done */
spin_unlock_irqrestore(&kbdev->ktrace.lock, irqflags);
}
#endif /* KBASE_KTRACE_TARGET_RBUF */
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