/*
* Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "gk20a/gk20a.h"
#include "boardobjgrp.h"
#include "ctrl/ctrlboardobj.h"
/*
* Assures that unused bits (size .. (maskDataCount * 32 - 1)) are always zero.
*/
#define BOARDOBJGRPMASK_NORMALIZE(_pmask) \
((_pmask)->data[(_pmask)->maskdatacount-1] &= (_pmask)->lastmaskfilter)
u32 boardobjgrpmask_init(struct boardobjgrpmask *mask, u8 bitsize,
struct ctrl_boardobjgrp_mask *extmask)
{
if (mask == NULL) {
return -EINVAL;
}
if ((bitsize != CTRL_BOARDOBJGRP_E32_MAX_OBJECTS) &&
(bitsize != CTRL_BOARDOBJGRP_E255_MAX_OBJECTS)) {
return -EINVAL;
}
mask->bitcount = bitsize;
mask->maskdatacount = CTRL_BOARDOBJGRP_MASK_DATA_SIZE(bitsize);
mask->lastmaskfilter = bitsize %
CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_BIT_SIZE;
mask->lastmaskfilter = (mask->lastmaskfilter == 0) ?
0xFFFFFFFF : (u32)(BIT(mask->lastmaskfilter) - 1);
return (extmask == NULL) ?
boardobjgrpmask_clr(mask) :
boardobjgrpmask_import(mask, bitsize, extmask);
}
u32 boardobjgrpmask_import(struct boardobjgrpmask *mask, u8 bitsize,
struct ctrl_boardobjgrp_mask *extmask)
{
u8 index;
if (mask == NULL) {
return -EINVAL;
}
if (extmask == NULL) {
return -EINVAL;
}
if (mask->bitcount != bitsize) {
return -EINVAL;
}
for (index = 0; index < mask->maskdatacount; index++) {
mask->data[index] = extmask->data[index];
}
BOARDOBJGRPMASK_NORMALIZE(mask);
return 0;
}
u32 boardobjgrpmask_export(struct boardobjgrpmask *mask, u8 bitsize,
struct ctrl_boardobjgrp_mask *extmask)
{
u8 index;
if (mask == NULL) {
return -EINVAL;
}
if (extmask == NULL) {
return -EINVAL;
}
if (mask->bitcount != bitsize) {
return -EINVAL;
}
for (index = 0; index < mask->maskdatacount; index++) {
extmask->data[index] = mask->data[index];
}
return 0;
}
u32 boardobjgrpmask_clr(struct boardobjgrpmask *mask)
{
u8 index;
if (mask == NULL) {
return -EINVAL;
}
for (index = 0; index < mask->maskdatacount; index++) {
mask->data[index] = 0;
}
return 0;
}
u32 boardobjgrpmask_set(struct boardobjgrpmask *mask)
{
u8 index;
if (mask == NULL) {
return -EINVAL;
}
for (index = 0; index < mask->maskdatacount; index++) {
mask->data[index] = 0xFFFFFFFF;
}
BOARDOBJGRPMASK_NORMALIZE(mask);
return 0;
}
u32 boardobjgrpmask_inv(struct boardobjgrpmask *mask)
{
u8 index;
if (mask == NULL) {
return -EINVAL;
}
for (index = 0; index < mask->maskdatacount; index++) {
mask->data[index] = ~mask->data[index];
}
BOARDOBJGRPMASK_NORMALIZE(mask);
return 0;
}
bool boardobjgrpmask_iszero(struct boardobjgrpmask *mask)
{
u8 index;
if (mask == NULL) {
return true;
}
for (index = 0; index < mask->maskdatacount; index++) {
if (mask->data[index] != 0) {
return false;
}
}
return true;
}
u8 boardobjgrpmask_bitsetcount(struct boardobjgrpmask *mask)
{
u8 index;
u8 result = 0;
if (mask == NULL) {
return result;
}
for (index = 0; index < mask->maskdatacount; index++) {
u32 m = mask->data[index];
NUMSETBITS_32(m);
result += (u8)m;
}
return result;
}
u8 boardobjgrpmask_bitidxlowest(struct boardobjgrpmask *mask)
{
u8 index;
u8 result = CTRL_BOARDOBJ_IDX_INVALID;
if (mask == NULL) {
return result;
}
for (index = 0; index < mask->maskdatacount; index++) {
u32 m = mask->data[index];
if (m != 0) {
LOWESTBITIDX_32(m);
result = (u8)m + index *
CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_BIT_SIZE;
break;
}
}
return result;
}
u8 boardobjgrpmask_bitidxhighest(struct boardobjgrpmask *mask)
{
u8 index;
u8 result = CTRL_BOARDOBJ_IDX_INVALID;
if (mask == NULL) {
return result;
}
for (index = 0; index < mask->maskdatacount; index++) {
u32 m = mask->data[index];
if (m != 0) {
HIGHESTBITIDX_32(m);
result = (u8)m + index *
CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_BIT_SIZE;
break;
}
}
return result;
}
u32 boardobjgrpmask_bitclr(struct boardobjgrpmask *mask, u8 bitidx)
{
u8 index;
u8 offset;
if (mask == NULL) {
return -EINVAL;
}
if (bitidx >= mask->bitcount) {
return -EINVAL;
}
index = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_INDEX(bitidx);
offset = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_OFFSET(bitidx);
mask->data[index] &= ~BIT(offset);
return 0;
}
u32 boardobjgrpmask_bitset(struct boardobjgrpmask *mask, u8 bitidx)
{
u8 index;
u8 offset;
if (mask == NULL) {
return -EINVAL;
}
if (bitidx >= mask->bitcount) {
return -EINVAL;
}
index = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_INDEX(bitidx);
offset = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_OFFSET(bitidx);
mask->data[index] |= BIT(offset);
return 0;
}
u32 boardobjgrpmask_bitinv(struct boardobjgrpmask *mask, u8 bitidx)
{
u8 index;
u8 offset;
if (mask == NULL) {
return -EINVAL;
}
if (bitidx >= mask->bitcount) {
return -EINVAL;
}
index = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_INDEX(bitidx);
offset = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_OFFSET(bitidx);
mask->data[index] ^= ~BIT(offset);
return 0;
}
bool boardobjgrpmask_bitget(struct boardobjgrpmask *mask, u8 bitidx)
{
u8 index;
u8 offset;
if (mask == NULL) {
return false;
}
if (bitidx >= mask->bitcount) {
return false;
}
index = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_INDEX(bitidx);
offset = CTRL_BOARDOBJGRP_MASK_MASK_ELEMENT_OFFSET(bitidx);
return (mask->data[index] & BIT(offset)) != 0;
}
u32 boardobjgrpmask_and(struct boardobjgrpmask *dst,
struct boardobjgrpmask *op1,
struct boardobjgrpmask *op2)
{
u8 index;
if (!boardobjgrpmask_sizeeq(dst, op1)) {
return -EINVAL;
}
if (!boardobjgrpmask_sizeeq(dst, op2)) {
return -EINVAL;
}
for (index = 0; index < dst->maskdatacount; index++) {
dst->data[index] = op1->data[index] & op2->data[index];
}
return 0;
}
u32 boardobjgrpmask_or(struct boardobjgrpmask *dst,
struct boardobjgrpmask *op1,
struct boardobjgrpmask *op2)
{
u8 index;
if (!boardobjgrpmask_sizeeq(dst, op1)) {
return -EINVAL;
}
if (!boardobjgrpmask_sizeeq(dst, op2)) {
return -EINVAL;
}
for (index = 0; index < dst->maskdatacount; index++) {
dst->data[index] = op1->data[index] | op2->data[index];
}
return 0;
}
u32 boardobjgrpmask_xor(struct boardobjgrpmask *dst,
struct boardobjgrpmask *op1,
struct boardobjgrpmask *op2)
{
u8 index;
if (!boardobjgrpmask_sizeeq(dst, op1)) {
return -EINVAL;
}
if (!boardobjgrpmask_sizeeq(dst, op2)) {
return -EINVAL;
}
for (index = 0; index < dst->maskdatacount; index++) {
dst->data[index] = op1->data[index] ^ op2->data[index];
}
return 0;
}
u32 boardobjgrpmask_copy(struct boardobjgrpmask *dst,
struct boardobjgrpmask *src)
{
u8 index;
if (!boardobjgrpmask_sizeeq(dst, src)) {
return -EINVAL;
}
for (index = 0; index < dst->maskdatacount; index++) {
dst->data[index] = src->data[index];
}
return 0;
}
bool boardobjgrpmask_sizeeq(struct boardobjgrpmask *op1,
struct boardobjgrpmask *op2)
{
if (op1 == NULL) {
return false;
}
if (op2 == NULL) {
return false;
}
return op1->bitcount == op2->bitcount;
}
bool boardobjgrpmask_issubset(struct boardobjgrpmask *op1,
struct boardobjgrpmask *op2)
{
u8 index;
if (!boardobjgrpmask_sizeeq(op2, op1)) {
return false;
}
for (index = 0; index < op1->maskdatacount; index++) {
u32 op_1 = op1->data[index];
u32 op_2 = op2->data[index];
if ((op_1 & op_2) != op_1) {
return false;
}
}
return true;
}