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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk/env.h"
#include "spdk/trace.h"
#include "spdk/log.h"
struct spdk_trace_flags *g_trace_flags = NULL;
static struct spdk_trace_register_fn *g_reg_fn_head = NULL;
uint64_t
spdk_trace_get_tpoint_mask(uint32_t group_id)
{
if (group_id >= SPDK_TRACE_MAX_GROUP_ID) {
SPDK_ERRLOG("%s: invalid group ID %d\n", __func__, group_id);
return 0ULL;
}
return g_trace_flags->tpoint_mask[group_id];
}
void
spdk_trace_set_tpoints(uint32_t group_id, uint64_t tpoint_mask)
{
if (group_id >= SPDK_TRACE_MAX_GROUP_ID) {
SPDK_ERRLOG("%s: invalid group ID %d\n", __func__, group_id);
return;
}
g_trace_flags->tpoint_mask[group_id] |= tpoint_mask;
}
void
spdk_trace_clear_tpoints(uint32_t group_id, uint64_t tpoint_mask)
{
if (group_id >= SPDK_TRACE_MAX_GROUP_ID) {
SPDK_ERRLOG("%s: invalid group ID %d\n", __func__, group_id);
return;
}
g_trace_flags->tpoint_mask[group_id] &= ~tpoint_mask;
}
uint64_t
spdk_trace_get_tpoint_group_mask(void)
{
uint64_t mask = 0x0;
int i;
for (i = 0; i < SPDK_TRACE_MAX_GROUP_ID; i++) {
if (spdk_trace_get_tpoint_mask(i) != 0) {
mask |= (1ULL << i);
}
}
return mask;
}
void
spdk_trace_set_tpoint_group_mask(uint64_t tpoint_group_mask)
{
int i;
for (i = 0; i < SPDK_TRACE_MAX_GROUP_ID; i++) {
if (tpoint_group_mask & (1ULL << i)) {
spdk_trace_set_tpoints(i, -1ULL);
}
}
}
void
spdk_trace_register_owner(uint8_t type, char id_prefix)
{
struct spdk_trace_owner *owner;
assert(type != OWNER_NONE);
/* 'owner' has 256 entries and since 'type' is a uint8_t, it
* can't overrun the array.
*/
owner = &g_trace_flags->owner[type];
assert(owner->type == 0);
owner->type = type;
owner->id_prefix = id_prefix;
}
void
spdk_trace_register_object(uint8_t type, char id_prefix)
{
struct spdk_trace_object *object;
assert(type != OBJECT_NONE);
/* 'object' has 256 entries and since 'type' is a uint8_t, it
* can't overrun the array.
*/
object = &g_trace_flags->object[type];
assert(object->type == 0);
object->type = type;
object->id_prefix = id_prefix;
}
void
spdk_trace_register_description(const char *name, const char *short_name,
uint16_t tpoint_id, uint8_t owner_type,
uint8_t object_type, uint8_t new_object,
uint8_t arg1_is_ptr, const char *arg1_name)
{
struct spdk_trace_tpoint *tpoint;
assert(tpoint_id != 0);
assert(tpoint_id < SPDK_TRACE_MAX_TPOINT_ID);
tpoint = &g_trace_flags->tpoint[tpoint_id];
assert(tpoint->tpoint_id == 0);
snprintf(tpoint->name, sizeof(tpoint->name), "%s", name);
snprintf(tpoint->short_name, sizeof(tpoint->short_name), "%s", short_name);
tpoint->tpoint_id = tpoint_id;
tpoint->object_type = object_type;
tpoint->owner_type = owner_type;
tpoint->new_object = new_object;
tpoint->arg1_is_ptr = arg1_is_ptr;
snprintf(tpoint->arg1_name, sizeof(tpoint->arg1_name), "%s", arg1_name);
}
void
spdk_trace_add_register_fn(struct spdk_trace_register_fn *reg_fn)
{
reg_fn->next = g_reg_fn_head;
g_reg_fn_head = reg_fn;
}
void
spdk_trace_flags_init(void)
{
struct spdk_trace_register_fn *reg_fn;
reg_fn = g_reg_fn_head;
while (reg_fn) {
reg_fn->reg_fn();
reg_fn = reg_fn->next;
}
}
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