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2a02ab9c2e204b8d71e90f0a7db2a9e442089bea
android_kernel_samsung_sm86…/msm/eva/msm_cvp_buf.c
Jingyu Su c82996e90f msm: eva: Extract DSP buffer info from debug queue 
Extracts DSP buffer information for log printing upon SMMU faults

Change-Id: I36b1900ea84a85cdfdb2dec8ad62b67a5ff57119
Signed-off-by: Jingyu Su <quic_jingyus@quicinc.com>
2023-09-15 16:16:59 -07:00

2469 lines
63 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/pid.h>
#include <linux/fdtable.h>
#include <linux/rcupdate.h>
#include <linux/fs.h>
#include <linux/dma-buf.h>
#include <linux/sched/task.h>
#include <linux/version.h>
#include "msm_cvp_common.h"
#include "cvp_hfi_api.h"
#include "msm_cvp_debug.h"
#include "msm_cvp_core.h"
#include "msm_cvp_dsp.h"
#include "eva_shared_def.h"
#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 16, 0))
#define eva_buf_map dma_buf_map
#define _buf_map_set_vaddr dma_buf_map_set_vaddr
#else
#define eva_buf_map iosys_map
#define _buf_map_set_vaddr iosys_map_set_vaddr
#endif
#define CLEAR_USE_BITMAP(idx, inst) \
do { \
clear_bit(idx, &inst->dma_cache.usage_bitmap); \
dprintk(CVP_MEM, "clear %x bit %d dma_cache bitmap 0x%llx\n", \
hash32_ptr(inst->session), smem->bitmap_index, \
inst->dma_cache.usage_bitmap); \
} while (0)
#define SET_USE_BITMAP(idx, inst) \
do { \
set_bit(idx, &inst->dma_cache.usage_bitmap); \
dprintk(CVP_MEM, "Set %x bit %d dma_cache bitmap 0x%llx\n", \
hash32_ptr(inst->session), idx, \
inst->dma_cache.usage_bitmap); \
} while (0)
struct cvp_oob_pool wncc_buf_pool;
static void _wncc_print_cvpwnccbufs_table(struct msm_cvp_inst* inst);
static int _wncc_unmap_metadata_bufs(struct eva_kmd_hfi_packet* in_pkt,
struct eva_kmd_oob_wncc *wncc_oob,
struct eva_kmd_wncc_metadata** wncc_metadata);
void msm_cvp_print_inst_bufs(struct msm_cvp_inst *inst, bool log);
int print_smem(u32 tag, const char *str, struct msm_cvp_inst *inst,
struct msm_cvp_smem *smem)
{
int i;
char name[PKT_NAME_LEN] = "Unknown";
if (!(tag & msm_cvp_debug))
return 0;
if (!inst || !smem) {
dprintk(CVP_ERR, "Invalid inst 0x%llx or smem 0x%llx\n",
inst, smem);
return -EINVAL;
}
if (smem->dma_buf) {
i = get_pkt_index_from_type(smem->pkt_type);
if (i > 0)
strlcpy(name, cvp_hfi_defs[i].name, PKT_NAME_LEN);
if (!atomic_read(&smem->refcount))
dprintk(tag,
" UNUSED mapping %s: 0x%llx size %d iova %#x idx %d pkt_type %s buf_idx %#x fd %d",
str, smem->dma_buf,
smem->size, smem->device_addr, smem->bitmap_index, name, smem->buf_idx, smem->fd);
else
dprintk(tag,
"%s: %x : 0x%llx size %d flags %#x iova %#x idx %d ref %d pkt_type %s buf_idx %#x fd %d",
str, hash32_ptr(inst->session), smem->dma_buf,
smem->size, smem->flags, smem->device_addr,
smem->bitmap_index, atomic_read(&smem->refcount),
name, smem->buf_idx, smem->fd);
}
return 0;
}
static void print_internal_buffer(u32 tag, const char *str,
struct msm_cvp_inst *inst, struct cvp_internal_buf *cbuf)
{
if (!(tag & msm_cvp_debug) || !inst || !cbuf)
return;
if (cbuf->smem->dma_buf) {
dprintk(tag,
"%s: %x : fd %d off %d 0x%llx %s size %d iova %#x",
str, hash32_ptr(inst->session), cbuf->fd,
cbuf->offset, cbuf->smem->dma_buf, cbuf->smem->dma_buf->name,
cbuf->size, cbuf->smem->device_addr);
} else {
dprintk(tag,
"%s: %x : idx %2d fd %d off %d size %d iova %#x",
str, hash32_ptr(inst->session), cbuf->index, cbuf->fd,
cbuf->offset, cbuf->size, cbuf->smem->device_addr);
}
}
void print_cvp_buffer(u32 tag, const char *str, struct msm_cvp_inst *inst,
struct cvp_internal_buf *cbuf)
{
if (!inst || !cbuf) {
dprintk(CVP_ERR,
"%s Invalid params inst %pK, cbuf %pK\n",
str, inst, cbuf);
return;
}
print_smem(tag, str, inst, cbuf->smem);
}
static void _log_smem(struct inst_snapshot *snapshot, struct msm_cvp_inst *inst,
struct msm_cvp_smem *smem, bool logging)
{
if (print_smem(CVP_ERR, "bufdump", inst, smem))
return;
if (!logging || !snapshot)
return;
if (snapshot && snapshot->smem_index < MAX_ENTRIES) {
struct smem_data *s;
s = &snapshot->smem_log[snapshot->smem_index];
snapshot->smem_index++;
s->size = smem->size;
s->flags = smem->flags;
s->device_addr = smem->device_addr;
s->bitmap_index = smem->bitmap_index;
s->refcount = atomic_read(&smem->refcount);
s->pkt_type = smem->pkt_type;
s->buf_idx = smem->buf_idx;
}
}
static void _log_buf(struct inst_snapshot *snapshot, enum smem_prop prop,
struct msm_cvp_inst *inst, struct cvp_internal_buf *cbuf,
bool logging)
{
struct cvp_buf_data *buf = NULL;
u32 index;
print_cvp_buffer(CVP_ERR, "bufdump", inst, cbuf);
if (!logging)
return;
if (snapshot) {
if (prop == SMEM_CDSP && snapshot->dsp_index < MAX_ENTRIES) {
index = snapshot->dsp_index;
buf = &snapshot->dsp_buf_log[index];
snapshot->dsp_index++;
} else if (prop == SMEM_PERSIST &&
snapshot->persist_index < MAX_ENTRIES) {
index = snapshot->persist_index;
buf = &snapshot->persist_buf_log[index];
snapshot->persist_index++;
}
if (buf) {
buf->device_addr = cbuf->smem->device_addr;
buf->size = cbuf->size;
}
}
}
void print_client_buffer(u32 tag, const char *str,
struct msm_cvp_inst *inst, struct eva_kmd_buffer *cbuf)
{
if (!(tag & msm_cvp_debug) || !str || !inst || !cbuf)
return;
dprintk(tag,
"%s: %x : idx %2d fd %d off %d size %d type %d flags 0x%x"
" reserved[0] %u\n",
str, hash32_ptr(inst->session), cbuf->index, cbuf->fd,
cbuf->offset, cbuf->size, cbuf->type, cbuf->flags,
cbuf->reserved[0]);
}
static bool __is_buf_valid(struct msm_cvp_inst *inst,
struct eva_kmd_buffer *buf)
{
struct cvp_hal_session *session;
struct cvp_internal_buf *cbuf = (struct cvp_internal_buf *)0xdeadbeef;
bool found = false;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return false;
}
if (buf->fd < 0) {
dprintk(CVP_ERR, "%s: Invalid fd = %d", __func__, buf->fd);
return false;
}
if (buf->offset) {
dprintk(CVP_ERR,
"%s: offset is deprecated, set to 0.\n",
__func__);
return false;
}
session = (struct cvp_hal_session *)inst->session;
mutex_lock(&inst->cvpdspbufs.lock);
list_for_each_entry(cbuf, &inst->cvpdspbufs.list, list) {
if (cbuf->fd == buf->fd) {
if (cbuf->size != buf->size) {
dprintk(CVP_ERR, "%s: buf size mismatch\n",
__func__);
mutex_unlock(&inst->cvpdspbufs.lock);
return false;
}
found = true;
break;
}
}
mutex_unlock(&inst->cvpdspbufs.lock);
if (found) {
print_internal_buffer(CVP_ERR, "duplicate", inst, cbuf);
return false;
}
return true;
}
static struct file *msm_cvp_fget(unsigned int fd, struct task_struct *task,
fmode_t mask, unsigned int refs)
{
struct files_struct *files = task->files;
struct file *file;
if (!files)
return NULL;
rcu_read_lock();
loop:
#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 13, 0))
file = fcheck_files(files, fd);
#else
file = files_lookup_fd_rcu(files, fd);
#endif
if (file) {
/* File object ref couldn't be taken.
* dup2() atomicity guarantee is the reason
* we loop to catch the new file (or NULL pointer)
*/
if (file->f_mode & mask)
file = NULL;
else if (!get_file_rcu(file))
goto loop;
}
rcu_read_unlock();
return file;
}
static struct dma_buf *cvp_dma_buf_get(struct file *file, int fd,
struct task_struct *task)
{
if (file->f_op != gfa_cv.dmabuf_f_op) {
dprintk(CVP_WARN, "fd doesn't refer to dma_buf\n");
return ERR_PTR(-EINVAL);
}
return file->private_data;
}
int msm_cvp_map_buf_dsp(struct msm_cvp_inst *inst, struct eva_kmd_buffer *buf)
{
int rc = 0;
struct cvp_internal_buf *cbuf = NULL;
struct msm_cvp_smem *smem = NULL;
struct dma_buf *dma_buf = NULL;
struct file *file;
if (!__is_buf_valid(inst, buf))
return -EINVAL;
if (!inst->task)
return -EINVAL;
file = msm_cvp_fget(buf->fd, inst->task, FMODE_PATH, 1);
if (file == NULL) {
dprintk(CVP_WARN, "%s fail to get file from fd %d %s\n", __func__, buf->fd, inst->proc_name);
return -EINVAL;
}
dma_buf = cvp_dma_buf_get(
file,
buf->fd,
inst->task);
if (dma_buf == ERR_PTR(-EINVAL)) {
dprintk(CVP_ERR, "%s: Invalid fd = %d", __func__, buf->fd);
rc = -EINVAL;
goto exit;
}
if (dma_buf->size < buf->size) {
dprintk(CVP_ERR, "%s DSP client buffer too large %d > %d\n",
__func__, buf->size, dma_buf->size);
rc = -EINVAL;
goto exit;
}
dprintk(CVP_MEM, "dma_buf from internal %llu\n", dma_buf);
cbuf = cvp_kmem_cache_zalloc(&cvp_driver->buf_cache, GFP_KERNEL);
if (!cbuf) {
rc = -ENOMEM;
goto exit;
}
smem = cvp_kmem_cache_zalloc(&cvp_driver->smem_cache, GFP_KERNEL);
if (!smem) {
rc = -ENOMEM;
goto exit;
}
smem->dma_buf = dma_buf;
smem->bitmap_index = MAX_DMABUF_NUMS;
smem->pkt_type = 0;
smem->buf_idx = 0;
smem->fd = buf->fd;
dprintk(CVP_MEM, "%s: dma_buf = %llx\n", __func__, dma_buf);
rc = msm_cvp_map_smem(inst, smem, "map dsp");
if (rc) {
print_client_buffer(CVP_ERR, "map failed", inst, buf);
goto exit;
}
atomic_inc(&smem->refcount);
cbuf->smem = smem;
cbuf->fd = buf->fd;
cbuf->size = buf->size;
cbuf->offset = buf->offset;
cbuf->ownership = CLIENT;
cbuf->index = buf->index;
buf->reserved[0] = (uint32_t)smem->device_addr;
mutex_lock(&inst->cvpdspbufs.lock);
list_add_tail(&cbuf->list, &inst->cvpdspbufs.list);
mutex_unlock(&inst->cvpdspbufs.lock);
return rc;
exit:
fput(file);
if (smem) {
if (smem->device_addr)
msm_cvp_unmap_smem(inst, smem, "unmap dsp");
msm_cvp_smem_put_dma_buf(smem->dma_buf);
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
}
if (cbuf)
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
return rc;
}
int msm_cvp_unmap_buf_dsp(struct msm_cvp_inst *inst, struct eva_kmd_buffer *buf)
{
int rc = 0;
bool found;
struct cvp_internal_buf *cbuf = (struct cvp_internal_buf *)0xdeadbeef;
struct cvp_hal_session *session;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
session = (struct cvp_hal_session *)inst->session;
if (!session) {
dprintk(CVP_ERR, "%s: invalid session\n", __func__);
return -EINVAL;
}
mutex_lock(&inst->cvpdspbufs.lock);
found = false;
list_for_each_entry(cbuf, &inst->cvpdspbufs.list, list) {
if (cbuf->fd == buf->fd) {
found = true;
break;
}
}
if (!found) {
mutex_unlock(&inst->cvpdspbufs.lock);
print_client_buffer(CVP_ERR, "invalid", inst, buf);
return -EINVAL;
}
if (cbuf->smem->device_addr) {
u64 idx = inst->unused_dsp_bufs.ktid;
inst->unused_dsp_bufs.smem[idx] = *(cbuf->smem);
inst->unused_dsp_bufs.nr++;
inst->unused_dsp_bufs.nr =
(inst->unused_dsp_bufs.nr > MAX_FRAME_BUFFER_NUMS)?
MAX_FRAME_BUFFER_NUMS : inst->unused_dsp_bufs.nr;
inst->unused_dsp_bufs.ktid = ++idx % MAX_FRAME_BUFFER_NUMS;
msm_cvp_unmap_smem(inst, cbuf->smem, "unmap dsp");
msm_cvp_smem_put_dma_buf(cbuf->smem->dma_buf);
atomic_dec(&cbuf->smem->refcount);
}
list_del(&cbuf->list);
mutex_unlock(&inst->cvpdspbufs.lock);
cvp_kmem_cache_free(&cvp_driver->smem_cache, cbuf->smem);
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
return rc;
}
int msm_cvp_map_buf_wncc(struct msm_cvp_inst *inst,
struct eva_kmd_buffer *buf)
{
int rc = 0, i;
bool found = false;
struct cvp_internal_buf* cbuf = (struct cvp_internal_buf *)0xdeadbeef;
struct msm_cvp_smem* smem = NULL;
struct dma_buf* dma_buf = NULL;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
if (!inst->session) {
dprintk(CVP_ERR, "%s: invalid session", __func__);
return -EINVAL;
}
if (buf->index) {
dprintk(CVP_ERR, "%s: buf index is NOT 0 fd=%d",
__func__, buf->fd);
return -EINVAL;
}
if (buf->fd < 0) {
dprintk(CVP_ERR, "%s: invalid fd = %d", __func__, buf->fd);
return -EINVAL;
}
if (buf->offset) {
dprintk(CVP_ERR, "%s: offset is not supported, set to 0.",
__func__);
return -EINVAL;
}
mutex_lock(&inst->cvpwnccbufs.lock);
list_for_each_entry(cbuf, &inst->cvpwnccbufs.list, list) {
if (cbuf->fd == buf->fd) {
if (cbuf->size != buf->size) {
dprintk(CVP_ERR, "%s: buf size mismatch",
__func__);
mutex_unlock(&inst->cvpwnccbufs.lock);
return -EINVAL;
}
found = true;
break;
}
}
mutex_unlock(&inst->cvpwnccbufs.lock);
if (found) {
print_internal_buffer(CVP_ERR, "duplicate", inst, cbuf);
return -EINVAL;
}
dma_buf = msm_cvp_smem_get_dma_buf(buf->fd);
if (!dma_buf) {
dprintk(CVP_ERR, "%s: invalid fd = %d", __func__, buf->fd);
return -EINVAL;
}
cbuf = cvp_kmem_cache_zalloc(&cvp_driver->buf_cache, GFP_KERNEL);
if (!cbuf) {
msm_cvp_smem_put_dma_buf(dma_buf);
return -ENOMEM;
}
smem = cvp_kmem_cache_zalloc(&cvp_driver->smem_cache, GFP_KERNEL);
if (!smem) {
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
msm_cvp_smem_put_dma_buf(dma_buf);
return -ENOMEM;
}
smem->dma_buf = dma_buf;
smem->bitmap_index = MAX_DMABUF_NUMS;
smem->pkt_type = 0;
smem->buf_idx = 0;
smem->fd = buf->fd;
dprintk(CVP_MEM, "%s: dma_buf = %llx", __func__, dma_buf);
rc = msm_cvp_map_smem(inst, smem, "map wncc");
if (rc) {
dprintk(CVP_ERR, "%s: map failed", __func__);
print_client_buffer(CVP_ERR, __func__, inst, buf);
goto exit;
}
cbuf->smem = smem;
cbuf->fd = buf->fd;
cbuf->size = buf->size;
cbuf->offset = buf->offset;
cbuf->ownership = CLIENT;
cbuf->index = buf->index;
/* Added for PreSil/RUMI testing */
#ifdef USE_PRESIL
dprintk(CVP_DBG,
"wncc buffer is %x for cam_presil_send_buffer"
" with MAP_ADDR_OFFSET %x",
(u64)(smem->device_addr) - MAP_ADDR_OFFSET, MAP_ADDR_OFFSET);
cam_presil_send_buffer((u64)smem->dma_buf, 0,
(u32)cbuf->offset, (u32)cbuf->size,
(u64)(smem->device_addr) - MAP_ADDR_OFFSET);
#endif
mutex_lock(&inst->cvpwnccbufs.lock);
if (inst->cvpwnccbufs_table == NULL) {
inst->cvpwnccbufs_table =
(struct msm_cvp_wncc_buffer*) kzalloc(
sizeof(struct msm_cvp_wncc_buffer) *
EVA_KMD_WNCC_MAX_SRC_BUFS,
GFP_KERNEL);
if (!inst->cvpwnccbufs_table) {
mutex_unlock(&inst->cvpwnccbufs.lock);
goto exit;
}
}
list_add_tail(&cbuf->list, &inst->cvpwnccbufs.list);
for (i = 0; i < EVA_KMD_WNCC_MAX_SRC_BUFS; i++)
{
if (inst->cvpwnccbufs_table[i].iova == 0)
{
inst->cvpwnccbufs_num++;
inst->cvpwnccbufs_table[i].fd = buf->fd;
inst->cvpwnccbufs_table[i].iova = smem->device_addr;
inst->cvpwnccbufs_table[i].size = smem->size;
/* buf reserved[0] used to store wncc src buf id */
buf->reserved[0] = i + EVA_KMD_WNCC_SRC_BUF_ID_OFFSET;
/* cbuf ktid used to store wncc src buf id */
cbuf->ktid = i + EVA_KMD_WNCC_SRC_BUF_ID_OFFSET;
dprintk(CVP_MEM, "%s: wncc buf iova: 0x%08X",
__func__, inst->cvpwnccbufs_table[i].iova);
break;
}
}
if (i == EVA_KMD_WNCC_MAX_SRC_BUFS) {
dprintk(CVP_ERR,
"%s: wncc buf table full - max (%u) already registered",
__func__, EVA_KMD_WNCC_MAX_SRC_BUFS);
/* _wncc_print_cvpwnccbufs_table(inst); */
mutex_unlock(&inst->cvpwnccbufs.lock);
rc = -EDQUOT;
goto exit;
}
mutex_unlock(&inst->cvpwnccbufs.lock);
return rc;
exit:
if (smem->device_addr)
msm_cvp_unmap_smem(inst, smem, "unmap wncc");
msm_cvp_smem_put_dma_buf(smem->dma_buf);
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
cbuf = NULL;
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
smem = NULL;
return rc;
}
int msm_cvp_unmap_buf_wncc(struct msm_cvp_inst *inst,
struct eva_kmd_buffer *buf)
{
int rc = 0;
bool found;
struct cvp_internal_buf *cbuf = (struct cvp_internal_buf *)0xdeadbeef;
uint32_t buf_id, buf_idx;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
if (!inst->session) {
dprintk(CVP_ERR, "%s: invalid session", __func__);
return -EINVAL;
}
if (buf->index) {
dprintk(CVP_ERR, "%s: buf index is NOT 0 fd=%d",
__func__, buf->fd);
return -EINVAL;
}
buf_id = buf->reserved[0];
if (buf_id < EVA_KMD_WNCC_SRC_BUF_ID_OFFSET || buf_id >=
(EVA_KMD_WNCC_MAX_SRC_BUFS + EVA_KMD_WNCC_SRC_BUF_ID_OFFSET)) {
dprintk(CVP_ERR, "%s: invalid buffer id %d",
__func__, buf->reserved[0]);
return -EINVAL;
}
mutex_lock(&inst->cvpwnccbufs.lock);
if (inst->cvpwnccbufs_num == 0) {
dprintk(CVP_ERR, "%s: no wncc buffers currently mapped", __func__);
mutex_unlock(&inst->cvpwnccbufs.lock);
return -EINVAL;
}
buf_idx = buf_id - EVA_KMD_WNCC_SRC_BUF_ID_OFFSET;
if (inst->cvpwnccbufs_table[buf_idx].iova == 0) {
dprintk(CVP_ERR, "%s: buffer id %d not found",
__func__, buf_id);
mutex_unlock(&inst->cvpwnccbufs.lock);
return -EINVAL;
}
buf->fd = inst->cvpwnccbufs_table[buf_idx].fd;
found = false;
list_for_each_entry(cbuf, &inst->cvpwnccbufs.list, list) {
if (cbuf->fd == buf->fd) {
found = true;
break;
}
}
if (!found) {
dprintk(CVP_ERR, "%s: buffer id %d not found",
__func__, buf_id);
print_client_buffer(CVP_ERR, __func__, inst, buf);
_wncc_print_cvpwnccbufs_table(inst);
mutex_unlock(&inst->cvpwnccbufs.lock);
return -EINVAL;
}
if (cbuf->smem->device_addr) {
u64 idx = inst->unused_wncc_bufs.ktid;
inst->unused_wncc_bufs.smem[idx] = *(cbuf->smem);
inst->unused_wncc_bufs.nr++;
inst->unused_wncc_bufs.nr =
(inst->unused_wncc_bufs.nr > NUM_WNCC_BUFS)?
NUM_WNCC_BUFS : inst->unused_wncc_bufs.nr;
inst->unused_wncc_bufs.ktid = ++idx % NUM_WNCC_BUFS;
}
mutex_unlock(&inst->cvpwnccbufs.lock);
if (cbuf->smem->device_addr) {
msm_cvp_unmap_smem(inst, cbuf->smem, "unmap wncc");
msm_cvp_smem_put_dma_buf(cbuf->smem->dma_buf);
}
mutex_lock(&inst->cvpwnccbufs.lock);
list_del(&cbuf->list);
inst->cvpwnccbufs_table[buf_idx].fd = 0;
inst->cvpwnccbufs_table[buf_idx].iova = 0;
inst->cvpwnccbufs_table[buf_idx].size = 0;
inst->cvpwnccbufs_num--;
if (inst->cvpwnccbufs_num == 0) {
kfree(inst->cvpwnccbufs_table);
inst->cvpwnccbufs_table = NULL;
}
mutex_unlock(&inst->cvpwnccbufs.lock);
cvp_kmem_cache_free(&cvp_driver->smem_cache, cbuf->smem);
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
return rc;
}
static void _wncc_print_oob(struct eva_kmd_oob_wncc* wncc_oob)
{
u32 i, j;
if (!wncc_oob) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return;
}
dprintk(CVP_DBG, "%s: wncc OOB --", __func__);
dprintk(CVP_DBG, "%s: num_layers: %u", __func__, wncc_oob->num_layers);
for (i = 0; i < wncc_oob->num_layers; i++) {
dprintk(CVP_DBG, "%s: layers[%u].num_addrs: %u",
__func__, i, wncc_oob->layers[i].num_addrs);
for (j = 0; j < wncc_oob->layers[i].num_addrs; j++) {
dprintk(CVP_DBG,
"%s: layers[%u].addrs[%u]: %04u 0x%08x",
__func__, i, j,
wncc_oob->layers[i].addrs[j].buffer_id,
wncc_oob->layers[i].addrs[j].offset);
}
}
}
static void _wncc_print_cvpwnccbufs_table(struct msm_cvp_inst* inst)
{
u32 i, entries = 0;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return;
}
if (inst->cvpwnccbufs_num == 0) {
dprintk(CVP_DBG, "%s: wncc buffer look-up table is empty",
__func__);
return;
}
if (!inst->cvpwnccbufs_table) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return;
}
dprintk(CVP_DBG, "%s: wncc buffer table:", __func__);
for (i = 0; i < EVA_KMD_WNCC_MAX_SRC_BUFS &&
entries < inst->cvpwnccbufs_num; i++) {
if (inst->cvpwnccbufs_table[i].iova != 0) {
dprintk(CVP_DBG,
"%s: buf_idx=%04d --> "
"fd=%03d, iova=0x%08x, size=%d",
__func__, i,
inst->cvpwnccbufs_table[i].fd,
inst->cvpwnccbufs_table[i].iova,
inst->cvpwnccbufs_table[i].size);
entries++;
}
}
}
static void _wncc_print_metadata_buf(u32 num_layers, u32 num_addrs,
struct eva_kmd_wncc_metadata** wncc_metadata)
{
u32 i, j, iova;
if (num_layers < 1 || num_layers > EVA_KMD_WNCC_MAX_LAYERS ||
!wncc_metadata) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return;
}
dprintk(CVP_DBG, "%s: wncc metadata buffers --", __func__);
dprintk(CVP_DBG, "%s: num_layers: %u", __func__, num_layers);
dprintk(CVP_DBG, "%s: num_addrs: %u", __func__, num_addrs);
for (i = 0; i < num_layers; i++) {
for (j = 0; j < num_addrs; j++) {
iova = (wncc_metadata[i][j].iova_msb << 22) |
wncc_metadata[i][j].iova_lsb;
dprintk(CVP_DBG,
"%s: wncc_metadata[%u][%u]: "
"%4u %3u %4u %3u 0x%08x %1u %4d %4d %4d %4d",
__func__, i, j,
wncc_metadata[i][j].loc_x_dec,
wncc_metadata[i][j].loc_x_frac,
wncc_metadata[i][j].loc_y_dec,
wncc_metadata[i][j].loc_y_frac,
iova,
wncc_metadata[i][j].scale_idx,
wncc_metadata[i][j].aff_coeff_3,
wncc_metadata[i][j].aff_coeff_2,
wncc_metadata[i][j].aff_coeff_1,
wncc_metadata[i][j].aff_coeff_0);
}
}
}
static int _wncc_copy_oob_from_user(struct eva_kmd_hfi_packet* in_pkt,
struct eva_kmd_oob_wncc* wncc_oob)
{
int rc = 0;
u32 oob_type = 0;
struct eva_kmd_oob_buf* oob_buf_u;
struct eva_kmd_oob_wncc* wncc_oob_u;
struct eva_kmd_oob_wncc* wncc_oob_k;
unsigned int i;
u32 num_addrs;
if (!in_pkt || !wncc_oob) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
oob_buf_u = in_pkt->oob_buf;
if (!access_ok(oob_buf_u, sizeof(*oob_buf_u))) {
dprintk(CVP_ERR, "%s: invalid OOB buf pointer", __func__);
return -EINVAL;
}
if (!access_ok(&oob_buf_u->oob_type, sizeof(oob_buf_u->oob_type))) {
dprintk(CVP_ERR,
"%s: bad OOB buf pointer, oob_type inaccessible",
__func__);
return -EINVAL;
}
rc = get_user(oob_type, &oob_buf_u->oob_type);
if (rc)
return rc;
if (oob_type != EVA_KMD_OOB_WNCC) {
dprintk(CVP_ERR, "%s: incorrect OOB type (%d) for wncc",
__func__, oob_type);
return -EINVAL;
}
wncc_oob_u = &oob_buf_u->wncc;
wncc_oob_k = wncc_oob;
if (!access_ok(&wncc_oob_u->metadata_bufs_offset,
sizeof(wncc_oob_u->metadata_bufs_offset))) {
dprintk(CVP_ERR,
"%s: bad OOB buf pointer, wncc.metadata_bufs_offset inaccessible",
__func__);
return -EINVAL;
}
rc = get_user(wncc_oob_k->metadata_bufs_offset,
&wncc_oob_u->metadata_bufs_offset);
if (rc)
return rc;
if (wncc_oob_k->metadata_bufs_offset > ((sizeof(in_pkt->pkt_data)
- sizeof(struct cvp_buf_type)) / sizeof(__u32))) {
dprintk(CVP_ERR, "%s: invalid wncc metadata bufs offset",
__func__);
return -EINVAL;
}
if (!access_ok(&wncc_oob_u->num_layers,
sizeof(wncc_oob_u->num_layers))) {
dprintk(CVP_ERR,
"%s: bad OOB buf pointer, wncc.num_layers inaccessible",
__func__);
return -EINVAL;
}
rc = get_user(wncc_oob_k->num_layers, &wncc_oob_u->num_layers);
if (rc)
return rc;
if (wncc_oob_k->num_layers < 1 ||
wncc_oob_k->num_layers > EVA_KMD_WNCC_MAX_LAYERS) {
dprintk(CVP_ERR, "%s: invalid wncc num layers", __func__);
return -EINVAL;
}
for (i = 0; i < wncc_oob_k->num_layers; i++) {
if (!access_ok(&wncc_oob_u->layers[i].num_addrs,
sizeof(wncc_oob_u->layers[i].num_addrs))) {
dprintk(CVP_ERR,
"%s: bad OOB buf pointer, wncc.layers[%u].num_addrs inaccessible",
__func__, i);
return -EINVAL;
}
rc = get_user(wncc_oob_k->layers[i].num_addrs,
&wncc_oob_u->layers[i].num_addrs);
if (rc)
break;
num_addrs = wncc_oob_k->layers[i].num_addrs;
if (num_addrs < 1 || num_addrs > EVA_KMD_WNCC_MAX_ADDRESSES) {
dprintk(CVP_ERR,
"%s: invalid wncc num addrs for layer %u",
__func__, i);
rc = -EINVAL;
break;
}
if (!access_ok(wncc_oob_u->layers[i].addrs,
num_addrs * sizeof(struct eva_kmd_wncc_addr)) ||
!access_ok(&wncc_oob_u->layers[i].addrs[num_addrs - 1],
sizeof(struct eva_kmd_wncc_addr))) {
dprintk(CVP_ERR,
"%s: bad OOB buf pointer, wncc.layers[%u].addrs inaccessible",
__func__, i);
return -EINVAL;
}
rc = copy_from_user(wncc_oob_k->layers[i].addrs,
wncc_oob_u->layers[i].addrs,
num_addrs * sizeof(struct eva_kmd_wncc_addr));
if (rc)
break;
}
if (false)
_wncc_print_oob(wncc_oob);
return rc;
}
static int _wncc_map_metadata_bufs(struct eva_kmd_hfi_packet* in_pkt,
struct eva_kmd_oob_wncc *wncc_oob,
struct eva_kmd_wncc_metadata** wncc_metadata)
{
int rc = 0, i;
struct cvp_buf_type* wncc_metadata_bufs;
struct dma_buf* dmabuf;
struct eva_buf_map map;
__u32 num_layers, metadata_bufs_offset;
if (!in_pkt || !wncc_metadata || !wncc_oob) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
num_layers = wncc_oob->num_layers;
metadata_bufs_offset = wncc_oob->metadata_bufs_offset;
if (num_layers < 1 || num_layers > EVA_KMD_WNCC_MAX_LAYERS) {
dprintk(CVP_ERR, "%s: invalid wncc num layers", __func__);
return -EINVAL;
}
if (metadata_bufs_offset > ((sizeof(in_pkt->pkt_data)
- sizeof(struct cvp_buf_type)) / sizeof(__u32))) {
dprintk(CVP_ERR, "%s: invalid wncc metadata bufs offset",
__func__);
return -EINVAL;
}
wncc_metadata_bufs = (struct cvp_buf_type*)
&in_pkt->pkt_data[metadata_bufs_offset];
for (i = 0; i < num_layers; i++) {
dmabuf = dma_buf_get(wncc_metadata_bufs[i].fd);
if (IS_ERR(dmabuf)) {
rc = PTR_ERR(dmabuf);
dprintk(CVP_ERR,
"%s: dma_buf_get() failed for "
"wncc_metadata_bufs[%d], rc %d",
__func__, i, rc);
break;
}
if (dmabuf->size < wncc_oob->layers[i].num_addrs *
sizeof(struct eva_kmd_wncc_metadata)) {
dprintk(CVP_ERR,
"%s: wncc_metadata_bufs[%d] size insufficient for num addrs in oob",
__func__, i);
dma_buf_put(dmabuf);
rc = -EINVAL;
break;
}
rc = dma_buf_begin_cpu_access(dmabuf, DMA_TO_DEVICE);
if (rc) {
dprintk(CVP_ERR,
"%s: dma_buf_begin_cpu_access() failed "
"for wncc_metadata_bufs[%d], rc %d",
__func__, i, rc);
dma_buf_put(dmabuf);
break;
}
rc = dma_buf_vmap(dmabuf, &map);
if (rc) {
dprintk(CVP_ERR,
"%s: dma_buf_vmap() failed for "
"wncc_metadata_bufs[%d]",
__func__, i);
dma_buf_end_cpu_access(dmabuf, DMA_TO_DEVICE);
dma_buf_put(dmabuf);
break;
}
dprintk(CVP_DBG,
"%s: wncc_metadata_bufs[%d] map.is_iomem is %d",
__func__, i, map.is_iomem);
wncc_metadata[i] = (struct eva_kmd_wncc_metadata*)map.vaddr;
dma_buf_put(dmabuf);
}
if (rc)
_wncc_unmap_metadata_bufs(in_pkt, wncc_oob, wncc_metadata);
return rc;
}
static int _wncc_unmap_metadata_bufs(struct eva_kmd_hfi_packet* in_pkt,
struct eva_kmd_oob_wncc *wncc_oob,
struct eva_kmd_wncc_metadata** wncc_metadata)
{
int rc = 0, i;
struct cvp_buf_type* wncc_metadata_bufs;
struct dma_buf* dmabuf;
struct eva_buf_map map;
__u32 num_layers, metadata_bufs_offset;
if (!in_pkt || !wncc_metadata || !wncc_oob) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
num_layers = wncc_oob->num_layers;
metadata_bufs_offset = wncc_oob->metadata_bufs_offset;
if (num_layers < 1 || num_layers > EVA_KMD_WNCC_MAX_LAYERS) {
dprintk(CVP_ERR, "%s: invalid wncc num layers", __func__);
return -EINVAL;
}
if (metadata_bufs_offset > ((sizeof(in_pkt->pkt_data)
- sizeof(struct cvp_buf_type)) / sizeof(__u32))) {
dprintk(CVP_ERR, "%s: invalid wncc metadata bufs offset",
__func__);
return -EINVAL;
}
wncc_metadata_bufs = (struct cvp_buf_type*)
&in_pkt->pkt_data[metadata_bufs_offset];
for (i = 0; i < num_layers; i++) {
if (!wncc_metadata[i]) {
continue;
}
dmabuf = dma_buf_get(wncc_metadata_bufs[i].fd);
if (IS_ERR(dmabuf)) {
rc = -PTR_ERR(dmabuf);
dprintk(CVP_ERR,
"%s: dma_buf_get() failed for "
"wncc_metadata_bufs[%d], rc %d",
__func__, i, rc);
break;
}
_buf_map_set_vaddr(&map, wncc_metadata[i]);
dma_buf_vunmap(dmabuf, &map);
wncc_metadata[i] = NULL;
rc = dma_buf_end_cpu_access(dmabuf, DMA_TO_DEVICE);
dma_buf_put(dmabuf);
if (rc) {
dprintk(CVP_ERR,
"%s: dma_buf_end_cpu_access() failed "
"for wncc_metadata_bufs[%d], rc %d",
__func__, i, rc);
break;
}
}
return rc;
}
static int init_wncc_bufs(void)
{
int i;
for (i = 0; i < NUM_WNCC_BUFS; i++) {
wncc_buf_pool.bufs[i] = (struct eva_kmd_oob_wncc*)kzalloc(
sizeof(struct eva_kmd_oob_wncc), GFP_KERNEL);
if (!wncc_buf_pool.bufs[i]) {
i--;
goto exit_fail;
}
}
wncc_buf_pool.used_bitmap = 0;
wncc_buf_pool.allocated = true;
return 0;
exit_fail:
while (i >= 0) {
kfree(wncc_buf_pool.bufs[i]);
i--;
}
return -ENOMEM;
}
static int alloc_wncc_buf(struct wncc_oob_buf *wob)
{
int rc, i;
mutex_lock(&wncc_buf_pool.lock);
if (!wncc_buf_pool.allocated) {
rc = init_wncc_bufs();
if (rc) {
mutex_unlock(&wncc_buf_pool.lock);
return rc;
}
}
for (i = 0; i < NUM_WNCC_BUFS; i++) {
if (!(wncc_buf_pool.used_bitmap & BIT(i))) {
wncc_buf_pool.used_bitmap |= BIT(i);
wob->bitmap_idx = i;
wob->buf = wncc_buf_pool.bufs[i];
mutex_unlock(&wncc_buf_pool.lock);
return 0;
}
}
mutex_unlock(&wncc_buf_pool.lock);
wob->bitmap_idx = 0xff;
wob->buf = (struct eva_kmd_oob_wncc*)kzalloc(
sizeof(struct eva_kmd_oob_wncc), GFP_KERNEL);
if (!wob->buf)
rc = -ENOMEM;
else
rc = 0;
return rc;
}
static void free_wncc_buf(struct wncc_oob_buf *wob)
{
if (!wob)
return;
if (wob->bitmap_idx == 0xff) {
kfree(wob->buf);
return;
}
if (wob->bitmap_idx < NUM_WNCC_BUFS) {
mutex_lock(&wncc_buf_pool.lock);
wncc_buf_pool.used_bitmap &= ~BIT(wob->bitmap_idx);
memset(wob->buf, 0, sizeof(struct eva_kmd_oob_wncc));
wob->buf = NULL;
mutex_unlock(&wncc_buf_pool.lock);
}
}
static int msm_cvp_proc_oob_wncc(struct msm_cvp_inst* inst,
struct eva_kmd_hfi_packet* in_pkt)
{
int rc = 0;
struct eva_kmd_oob_wncc* wncc_oob;
struct wncc_oob_buf wob;
struct eva_kmd_wncc_metadata* wncc_metadata[EVA_KMD_WNCC_MAX_LAYERS];
unsigned int i, j;
bool empty = false;
u32 buf_id, buf_idx, buf_offset, iova;
if (!inst || !inst->core || !in_pkt) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
rc = alloc_wncc_buf(&wob);
if (rc)
return -ENOMEM;
wncc_oob = wob.buf;
rc = _wncc_copy_oob_from_user(in_pkt, wncc_oob);
if (rc) {
dprintk(CVP_ERR, "%s: OOB buf copying failed", __func__);
goto exit;
}
memset(wncc_metadata, 0,
sizeof(*wncc_metadata) * EVA_KMD_WNCC_MAX_LAYERS);
rc = _wncc_map_metadata_bufs(in_pkt, wncc_oob, wncc_metadata);
if (rc) {
dprintk(CVP_ERR, "%s: failed to map wncc metadata bufs",
__func__);
goto exit;
}
mutex_lock(&inst->cvpwnccbufs.lock);
if (inst->cvpwnccbufs_num == 0 || inst->cvpwnccbufs_table == NULL) {
dprintk(CVP_ERR, "%s: no wncc bufs currently mapped", __func__);
empty = true;
rc = -EINVAL;
}
for (i = 0; !empty && i < wncc_oob->num_layers; i++) {
for (j = 0; j < wncc_oob->layers[i].num_addrs; j++) {
buf_id = wncc_oob->layers[i].addrs[j].buffer_id;
if (buf_id < EVA_KMD_WNCC_SRC_BUF_ID_OFFSET ||
buf_id >= (EVA_KMD_WNCC_SRC_BUF_ID_OFFSET +
EVA_KMD_WNCC_MAX_SRC_BUFS)) {
dprintk(CVP_ERR,
"%s: invalid wncc buf id %u "
"in layer #%u address #%u",
__func__, buf_id, i, j);
rc = -EINVAL;
break;
}
buf_idx = buf_id - EVA_KMD_WNCC_SRC_BUF_ID_OFFSET;
if (inst->cvpwnccbufs_table[buf_idx].iova == 0) {
dprintk(CVP_ERR,
"%s: unmapped wncc buf id %u "
"in layer #%u address #%u",
__func__, buf_id, i, j);
/* _wncc_print_cvpwnccbufs_table(inst); */
rc = -EINVAL;
break;
}
buf_offset = wncc_oob->layers[i].addrs[j].offset;
if (buf_offset >=
inst->cvpwnccbufs_table[buf_idx].size) {
/* NOTE: This buffer offset validation is
* not comprehensive since wncc src image
* resolution information is not known to
* KMD. UMD is responsible for comprehensive
* validation.
*/
dprintk(CVP_ERR,
"%s: invalid wncc buf offset %u "
"in layer #%u address #%u",
__func__, buf_offset, i, j);
rc = -EINVAL;
break;
}
iova = inst->cvpwnccbufs_table[buf_idx].iova +
buf_offset;
wncc_metadata[i][j].iova_lsb = iova;
wncc_metadata[i][j].iova_msb = iova >> 22;
}
}
mutex_unlock(&inst->cvpwnccbufs.lock);
if (false)
_wncc_print_metadata_buf(wncc_oob->num_layers,
wncc_oob->layers[0].num_addrs, wncc_metadata);
if (_wncc_unmap_metadata_bufs(in_pkt, wncc_oob, wncc_metadata)) {
dprintk(CVP_ERR, "%s: failed to unmap wncc metadata bufs",
__func__);
}
exit:
free_wncc_buf(&wob);
return rc;
}
int msm_cvp_proc_oob(struct msm_cvp_inst* inst,
struct eva_kmd_hfi_packet* in_pkt)
{
int rc = 0;
struct cvp_hfi_cmd_session_hdr* cmd_hdr =
(struct cvp_hfi_cmd_session_hdr*)in_pkt;
if (!inst || !inst->core || !in_pkt) {
dprintk(CVP_ERR, "%s: invalid params", __func__);
return -EINVAL;
}
switch (cmd_hdr->packet_type) {
case HFI_CMD_SESSION_CVP_WARP_NCC_FRAME:
rc = msm_cvp_proc_oob_wncc(inst, in_pkt);
break;
default:
break;
}
return rc;
}
void msm_cvp_cache_operations(struct msm_cvp_smem *smem, u32 type,
u32 offset, u32 size)
{
enum smem_cache_ops cache_op;
if (msm_cvp_cacheop_disabled)
return;
if (!smem) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return;
}
switch (type) {
case EVA_KMD_BUFTYPE_INPUT:
cache_op = SMEM_CACHE_CLEAN;
break;
case EVA_KMD_BUFTYPE_OUTPUT:
cache_op = SMEM_CACHE_INVALIDATE;
break;
default:
cache_op = SMEM_CACHE_CLEAN_INVALIDATE;
}
dprintk(CVP_MEM,
"%s: cache operation enabled for dma_buf: %llx, cache_op: %d, offset: %d, size: %d\n",
__func__, smem->dma_buf, cache_op, offset, size);
msm_cvp_smem_cache_operations(smem->dma_buf, cache_op, offset, size);
}
static struct msm_cvp_smem *msm_cvp_session_find_smem(struct msm_cvp_inst *inst,
struct dma_buf *dma_buf,
u32 pkt_type)
{
struct msm_cvp_smem *smem;
struct msm_cvp_frame *frame = (struct msm_cvp_frame *)0xdeadbeef;
struct cvp_internal_buf *buf = (struct cvp_internal_buf *)0xdeadbeef;
int i;
if (inst->dma_cache.nr > MAX_DMABUF_NUMS)
return NULL;
mutex_lock(&inst->dma_cache.lock);
for (i = 0; i < inst->dma_cache.nr; i++)
if (inst->dma_cache.entries[i]->dma_buf == dma_buf) {
SET_USE_BITMAP(i, inst);
smem = inst->dma_cache.entries[i];
smem->bitmap_index = i;
smem->pkt_type = pkt_type;
atomic_inc(&smem->refcount);
/*
* If we find it, it means we already increased
* refcount before, so we put it to avoid double
* incremental.
*/
msm_cvp_smem_put_dma_buf(smem->dma_buf);
mutex_unlock(&inst->dma_cache.lock);
print_smem(CVP_MEM, "found in cache", inst, smem);
return smem;
}
mutex_unlock(&inst->dma_cache.lock);
/* earch persist list */
mutex_lock(&inst->persistbufs.lock);
list_for_each_entry(buf, &inst->persistbufs.list, list) {
smem = buf->smem;
if (smem && smem->dma_buf == dma_buf) {
atomic_inc(&smem->refcount);
mutex_unlock(&inst->persistbufs.lock);
print_smem(CVP_MEM, "found in persist", inst, smem);
return smem;
}
}
mutex_unlock(&inst->persistbufs.lock);
/* Search frame list */
mutex_lock(&inst->frames.lock);
list_for_each_entry(frame, &inst->frames.list, list) {
for (i = 0; i < frame->nr; i++) {
smem = frame->bufs[i].smem;
if (smem && smem->dma_buf == dma_buf) {
atomic_inc(&smem->refcount);
mutex_unlock(&inst->frames.lock);
print_smem(CVP_MEM, "found in frame",
inst, smem);
return smem;
}
}
}
mutex_unlock(&inst->frames.lock);
return NULL;
}
static int msm_cvp_session_add_smem(struct msm_cvp_inst *inst,
struct msm_cvp_smem *smem)
{
unsigned int i;
struct msm_cvp_smem *smem2;
mutex_lock(&inst->dma_cache.lock);
if (inst->dma_cache.nr < MAX_DMABUF_NUMS) {
inst->dma_cache.entries[inst->dma_cache.nr] = smem;
SET_USE_BITMAP(inst->dma_cache.nr, inst);
smem->bitmap_index = inst->dma_cache.nr;
inst->dma_cache.nr++;
i = smem->bitmap_index;
} else {
i = find_first_zero_bit(&inst->dma_cache.usage_bitmap,
MAX_DMABUF_NUMS);
if (i < MAX_DMABUF_NUMS) {
smem2 = inst->dma_cache.entries[i];
msm_cvp_unmap_smem(inst, smem2, "unmap cpu");
msm_cvp_smem_put_dma_buf(smem2->dma_buf);
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem2);
inst->dma_cache.entries[i] = smem;
smem->bitmap_index = i;
SET_USE_BITMAP(i, inst);
} else {
dprintk(CVP_WARN,
"%s: reached limit, fallback to buf mapping list\n"
, __func__);
atomic_inc(&smem->refcount);
mutex_unlock(&inst->dma_cache.lock);
return -ENOMEM;
}
}
atomic_inc(&smem->refcount);
mutex_unlock(&inst->dma_cache.lock);
dprintk(CVP_MEM, "Add entry %d into cache\n", i);
return 0;
}
static struct msm_cvp_smem *msm_cvp_session_get_smem(struct msm_cvp_inst *inst,
struct cvp_buf_type *buf,
bool is_persist,
u32 pkt_type)
{
int rc = 0, found = 1;
struct msm_cvp_smem *smem = NULL;
struct dma_buf *dma_buf = NULL;
if (buf->fd < 0) {
dprintk(CVP_ERR, "%s: Invalid fd = %d", __func__, buf->fd);
return NULL;
}
dma_buf = msm_cvp_smem_get_dma_buf(buf->fd);
if (!dma_buf) {
dprintk(CVP_ERR, "%s: Invalid fd = %d", __func__, buf->fd);
return NULL;
}
if (is_persist) {
smem = cvp_kmem_cache_zalloc(&cvp_driver->smem_cache, GFP_KERNEL);
if (!smem)
return NULL;
smem->dma_buf = dma_buf;
smem->bitmap_index = MAX_DMABUF_NUMS;
smem->pkt_type = pkt_type;
smem->flags |= SMEM_PERSIST;
smem->fd = buf->fd;
atomic_inc(&smem->refcount);
rc = msm_cvp_map_smem(inst, smem, "map cpu");
if (rc)
goto exit;
if (!IS_CVP_BUF_VALID(buf, smem)) {
dprintk(CVP_ERR,
"%s: invalid offset %d or size %d persist\n",
__func__, buf->offset, buf->size);
goto exit2;
}
return smem;
}
smem = msm_cvp_session_find_smem(inst, dma_buf, pkt_type);
if (!smem) {
found = 0;
smem = cvp_kmem_cache_zalloc(&cvp_driver->smem_cache, GFP_KERNEL);
if (!smem)
return NULL;
smem->dma_buf = dma_buf;
smem->bitmap_index = MAX_DMABUF_NUMS;
smem->pkt_type = pkt_type;
smem->fd = buf->fd;
if (is_params_pkt(pkt_type))
smem->flags |= SMEM_PERSIST;
rc = msm_cvp_map_smem(inst, smem, "map cpu");
if (rc)
goto exit;
if (!IS_CVP_BUF_VALID(buf, smem)) {
dprintk(CVP_ERR,
"%s: invalid buf %d %d fd %d dma 0x%llx %s %d type %#x\n",
__func__, buf->offset, buf->size, buf->fd,
dma_buf, dma_buf->name, dma_buf->size, pkt_type);
goto exit2;
}
rc = msm_cvp_session_add_smem(inst, smem);
if (rc && rc != -ENOMEM)
goto exit2;
return smem;
}
if (!IS_CVP_BUF_VALID(buf, smem)) {
dprintk(CVP_ERR, "%s: invalid offset %d or size %d found\n",
__func__, buf->offset, buf->size);
if (found) {
mutex_lock(&inst->dma_cache.lock);
atomic_dec(&smem->refcount);
mutex_unlock(&inst->dma_cache.lock);
return NULL;
}
goto exit2;
}
return smem;
exit2:
msm_cvp_unmap_smem(inst, smem, "unmap cpu");
exit:
msm_cvp_smem_put_dma_buf(dma_buf);
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
smem = NULL;
return smem;
}
static int msm_cvp_unmap_user_persist_buf(struct msm_cvp_inst *inst,
struct cvp_buf_type *buf,
u32 pkt_type, u32 buf_idx, u32 *iova)
{
struct msm_cvp_smem *smem = NULL;
struct list_head *ptr;
struct list_head *next;
struct cvp_internal_buf *pbuf;
struct dma_buf *dma_buf;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
dma_buf = msm_cvp_smem_get_dma_buf(buf->fd);
if (!dma_buf)
return -EINVAL;
mutex_lock(&inst->persistbufs.lock);
list_for_each_safe(ptr, next, &inst->persistbufs.list) {
if (!ptr) {
mutex_unlock(&inst->persistbufs.lock);
return -EINVAL;
}
pbuf = list_entry(ptr, struct cvp_internal_buf, list);
if (dma_buf == pbuf->smem->dma_buf && (pbuf->smem->flags & SMEM_PERSIST)) {
*iova = pbuf->smem->device_addr;
dprintk(CVP_MEM,
"Unmap persist fd %d, dma_buf %#llx iova %#x\n",
pbuf->fd, pbuf->smem->dma_buf, *iova);
list_del(&pbuf->list);
if (*iova) {
msm_cvp_unmap_smem(inst, pbuf->smem, "unmap user persist");
msm_cvp_smem_put_dma_buf(pbuf->smem->dma_buf);
pbuf->smem->device_addr = 0;
}
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
pbuf->smem = NULL;
cvp_kmem_cache_free(&cvp_driver->buf_cache, pbuf);
mutex_unlock(&inst->persistbufs.lock);
dma_buf_put(dma_buf);
return 0;
}
}
mutex_unlock(&inst->persistbufs.lock);
dma_buf_put(dma_buf);
return -EINVAL;
}
static int msm_cvp_map_user_persist_buf(struct msm_cvp_inst *inst,
struct cvp_buf_type *buf,
u32 pkt_type, u32 buf_idx, u32 *iova)
{
struct msm_cvp_smem *smem = NULL;
struct list_head *ptr;
struct list_head *next;
struct cvp_internal_buf *pbuf;
struct dma_buf *dma_buf;
int ret;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
dma_buf = msm_cvp_smem_get_dma_buf(buf->fd);
if (!dma_buf)
return -EINVAL;
mutex_lock(&inst->persistbufs.lock);
if (!inst->persistbufs.list.next) {
mutex_unlock(&inst->persistbufs.lock);
return -EINVAL;
}
list_for_each_safe(ptr, next, &inst->persistbufs.list) {
if (!ptr)
return -EINVAL;
pbuf = list_entry(ptr, struct cvp_internal_buf, list);
if (dma_buf == pbuf->smem->dma_buf) {
pbuf->size =
(pbuf->size >= buf->size) ?
pbuf->size : buf->size;
*iova = pbuf->smem->device_addr + buf->offset;
mutex_unlock(&inst->persistbufs.lock);
atomic_inc(&pbuf->smem->refcount);
dma_buf_put(dma_buf);
dprintk(CVP_MEM,
"map persist Reuse fd %d, dma_buf %#llx\n",
pbuf->fd, pbuf->smem->dma_buf);
return 0;
}
}
mutex_unlock(&inst->persistbufs.lock);
dma_buf_put(dma_buf);
pbuf = cvp_kmem_cache_zalloc(&cvp_driver->buf_cache, GFP_KERNEL);
if (!pbuf) {
dprintk(CVP_ERR, "%s failed to allocate kmem obj\n",
__func__);
return -ENOMEM;
}
if (is_params_pkt(pkt_type))
smem = msm_cvp_session_get_smem(inst, buf, false, pkt_type);
else
smem = msm_cvp_session_get_smem(inst, buf, true, pkt_type);
if (!smem) {
ret = -ENOMEM;
goto exit;
}
smem->pkt_type = pkt_type;
smem->buf_idx = buf_idx;
smem->fd = buf->fd;
pbuf->smem = smem;
pbuf->fd = buf->fd;
pbuf->size = buf->size;
pbuf->offset = buf->offset;
pbuf->ownership = CLIENT;
mutex_lock(&inst->persistbufs.lock);
list_add_tail(&pbuf->list, &inst->persistbufs.list);
mutex_unlock(&inst->persistbufs.lock);
print_internal_buffer(CVP_MEM, "map persist", inst, pbuf);
*iova = smem->device_addr + buf->offset;
return 0;
exit:
cvp_kmem_cache_free(&cvp_driver->buf_cache, pbuf);
return ret;
}
static u32 msm_cvp_map_frame_buf(struct msm_cvp_inst *inst,
struct cvp_buf_type *buf,
struct msm_cvp_frame *frame,
u32 pkt_type, u32 buf_idx)
{
u32 iova = 0;
struct msm_cvp_smem *smem = NULL;
u32 nr;
u32 type;
if (!inst || !frame) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return 0;
}
nr = frame->nr;
if (nr == MAX_FRAME_BUFFER_NUMS) {
dprintk(CVP_ERR, "%s: max frame buffer reached\n", __func__);
return 0;
}
smem = msm_cvp_session_get_smem(inst, buf, false, pkt_type);
if (!smem)
return 0;
smem->buf_idx = buf_idx;
frame->bufs[nr].fd = buf->fd;
frame->bufs[nr].smem = smem;
frame->bufs[nr].size = buf->size;
frame->bufs[nr].offset = buf->offset;
print_internal_buffer(CVP_MEM, "map cpu", inst, &frame->bufs[nr]);
frame->nr++;
type = EVA_KMD_BUFTYPE_INPUT | EVA_KMD_BUFTYPE_OUTPUT;
msm_cvp_cache_operations(smem, type, buf->offset, buf->size);
iova = smem->device_addr + buf->offset;
return iova;
}
static void msm_cvp_unmap_frame_buf(struct msm_cvp_inst *inst,
struct msm_cvp_frame *frame)
{
u32 i;
u32 type;
struct msm_cvp_smem *smem = NULL;
struct cvp_internal_buf *buf;
type = EVA_KMD_BUFTYPE_OUTPUT;
for (i = 0; i < frame->nr; ++i) {
buf = &frame->bufs[i];
smem = buf->smem;
msm_cvp_cache_operations(smem, type, buf->offset, buf->size);
if (smem->bitmap_index >= MAX_DMABUF_NUMS) {
/* smem not in dmamap cache */
if (atomic_dec_and_test(&smem->refcount)) {
msm_cvp_unmap_smem(inst, smem, "unmap cpu");
dma_heap_buffer_free(smem->dma_buf);
smem->buf_idx |= 0xdead0000;
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
buf->smem = NULL;
}
} else {
mutex_lock(&inst->dma_cache.lock);
if (atomic_dec_and_test(&smem->refcount)) {
CLEAR_USE_BITMAP(smem->bitmap_index, inst);
print_smem(CVP_MEM, "Map dereference",
inst, smem);
smem->buf_idx |= 0x10000000;
}
mutex_unlock(&inst->dma_cache.lock);
}
}
cvp_kmem_cache_free(&cvp_driver->frame_cache, frame);
}
static void backup_frame_buffers(struct msm_cvp_inst *inst,
struct msm_cvp_frame *frame)
{
/* Save frame buffers before unmap them */
int i = frame->nr;
if (i == 0 || i > MAX_FRAME_BUFFER_NUMS)
return;
inst->last_frame.ktid = frame->ktid;
inst->last_frame.nr = frame->nr;
do {
i--;
if (frame->bufs[i].smem->bitmap_index < MAX_DMABUF_NUMS) {
/*
* Frame buffer info can be found in dma_cache table,
* Skip saving
*/
inst->last_frame.nr = 0;
return;
}
inst->last_frame.smem[i] = *(frame->bufs[i].smem);
} while (i);
}
void msm_cvp_unmap_frame(struct msm_cvp_inst *inst, u64 ktid)
{
struct msm_cvp_frame *frame = (struct msm_cvp_frame *)0xdeadbeef, *dummy1;
bool found;
if (!inst) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return;
}
ktid &= (FENCE_BIT - 1);
dprintk(CVP_MEM, "%s: (%#x) unmap frame %llu\n",
__func__, hash32_ptr(inst->session), ktid);
found = false;
mutex_lock(&inst->frames.lock);
list_for_each_entry_safe(frame, dummy1, &inst->frames.list, list) {
if (frame->ktid == ktid) {
found = true;
list_del(&frame->list);
dprintk(CVP_CMD, "%s: "
"pkt_type %08x sess_id %08x trans_id <> ktid %llu\n",
__func__, frame->pkt_type,
hash32_ptr(inst->session),
frame->ktid);
/* Save the previous frame mappings for debug */
backup_frame_buffers(inst, frame);
msm_cvp_unmap_frame_buf(inst, frame);
break;
}
}
mutex_unlock(&inst->frames.lock);
if (!found)
dprintk(CVP_WARN, "%s frame %llu not found!\n", __func__, ktid);
}
/*
* Unmap persistent buffer before sending RELEASE_PERSIST_BUFFERS to FW
* This packet is sent after SESSION_STOP. The assumption is FW/HW will
* NOT access any of the 3 persist buffer.
*/
int msm_cvp_unmap_user_persist(struct msm_cvp_inst *inst,
struct eva_kmd_hfi_packet *in_pkt,
unsigned int offset, unsigned int buf_num)
{
struct cvp_buf_type *buf;
struct cvp_hfi_cmd_session_hdr *cmd_hdr;
int i, ret;
u32 iova;
if (!offset || !buf_num)
return 0;
cmd_hdr = (struct cvp_hfi_cmd_session_hdr *)in_pkt;
for (i = 0; i < buf_num; i++) {
buf = (struct cvp_buf_type *)&in_pkt->pkt_data[offset];
offset += sizeof(*buf) >> 2;
if (buf->fd < 0 || !buf->size)
continue;
ret = msm_cvp_unmap_user_persist_buf(inst, buf,
cmd_hdr->packet_type, i, &iova);
if (ret) {
dprintk(CVP_ERR,
"%s: buf %d unmap failed.\n",
__func__, i);
return ret;
}
buf->fd = iova;
}
return 0;
}
int msm_cvp_map_user_persist(struct msm_cvp_inst *inst,
struct eva_kmd_hfi_packet *in_pkt,
unsigned int offset, unsigned int buf_num)
{
struct cvp_buf_type *buf;
struct cvp_hfi_cmd_session_hdr *cmd_hdr;
int i, ret;
u32 iova;
if (!offset || !buf_num)
return 0;
cmd_hdr = (struct cvp_hfi_cmd_session_hdr *)in_pkt;
for (i = 0; i < buf_num; i++) {
buf = (struct cvp_buf_type *)&in_pkt->pkt_data[offset];
offset += sizeof(*buf) >> 2;
if (buf->fd < 0 || !buf->size)
continue;
ret = msm_cvp_map_user_persist_buf(inst, buf,
cmd_hdr->packet_type, i, &iova);
if (ret) {
dprintk(CVP_ERR,
"%s: buf %d map failed.\n",
__func__, i);
return ret;
}
buf->fd = iova;
}
return 0;
}
int msm_cvp_map_frame(struct msm_cvp_inst *inst,
struct eva_kmd_hfi_packet *in_pkt,
unsigned int offset, unsigned int buf_num)
{
struct cvp_buf_type *buf;
int i;
u32 iova;
u64 ktid;
struct msm_cvp_frame *frame;
struct cvp_hfi_cmd_session_hdr *cmd_hdr;
struct msm_cvp_inst *instance = (struct msm_cvp_inst *)0xdeadbeef;
struct msm_cvp_core *core = NULL;
core = cvp_driver->cvp_core;
if (!core)
return -EINVAL;
if (!offset || !buf_num)
return 0;
cmd_hdr = (struct cvp_hfi_cmd_session_hdr *)in_pkt;
ktid = atomic64_inc_return(&inst->core->kernel_trans_id);
ktid &= (FENCE_BIT - 1);
cmd_hdr->client_data.kdata = ktid;
dprintk(CVP_CMD, "%s: "
"pkt_type %08x sess_id %08x trans_id %u ktid %llu\n",
__func__, cmd_hdr->packet_type,
cmd_hdr->session_id,
cmd_hdr->client_data.transaction_id,
cmd_hdr->client_data.kdata & (FENCE_BIT - 1));
frame = cvp_kmem_cache_zalloc(&cvp_driver->frame_cache, GFP_KERNEL);
if (!frame)
return -ENOMEM;
frame->ktid = ktid;
frame->nr = 0;
frame->pkt_type = cmd_hdr->packet_type;
for (i = 0; i < buf_num; i++) {
buf = (struct cvp_buf_type *)&in_pkt->pkt_data[offset];
offset += sizeof(*buf) >> 2;
if (buf->fd < 0 || !buf->size) {
buf->fd = 0;
buf->size = 0;
continue;
}
iova = msm_cvp_map_frame_buf(inst, buf, frame, cmd_hdr->packet_type, i);
if (!iova) {
dprintk(CVP_ERR,
"%s: buf %d register failed.\n",
__func__, i);
dprintk(CVP_ERR, "smem_leak_count %d\n", core->smem_leak_count);
mutex_lock(&core->lock);
list_for_each_entry(instance, &core->instances, list) {
msm_cvp_print_inst_bufs(instance, false);
}
mutex_unlock(&core->lock);
msm_cvp_unmap_frame_buf(inst, frame);
return -EINVAL;
}
buf->fd = iova;
}
mutex_lock(&inst->frames.lock);
list_add_tail(&frame->list, &inst->frames.list);
mutex_unlock(&inst->frames.lock);
dprintk(CVP_MEM, "%s: map frame %llu\n", __func__, ktid);
return 0;
}
int msm_cvp_session_deinit_buffers(struct msm_cvp_inst *inst)
{
int rc = 0, i;
struct cvp_internal_buf *cbuf, *dummy;
struct msm_cvp_frame *frame = (struct msm_cvp_frame *)0xdeadbeef, *dummy1;
struct msm_cvp_smem *smem;
struct cvp_hal_session *session;
struct eva_kmd_buffer buf;
struct list_head *ptr = (struct list_head *)0xdead;
struct list_head *next = (struct list_head *)0xdead;
session = (struct cvp_hal_session *)inst->session;
mutex_lock(&inst->frames.lock);
list_for_each_entry_safe(frame, dummy1, &inst->frames.list, list) {
list_del(&frame->list);
msm_cvp_unmap_frame_buf(inst, frame);
}
mutex_unlock(&inst->frames.lock);
mutex_lock(&inst->persistbufs.lock);
list_for_each_safe(ptr, next, &inst->persistbufs.list) {
if (!ptr)
return -EINVAL;
cbuf = list_entry(ptr, struct cvp_internal_buf, list);
smem = cbuf->smem;
if (!smem) {
dprintk(CVP_ERR, "%s invalid persist smem\n", __func__);
mutex_unlock(&inst->persistbufs.lock);
return -EINVAL;
}
if (cbuf->ownership != DRIVER) {
dprintk(CVP_MEM,
"%s: %x : fd %d %pK size %d",
"free user persistent", hash32_ptr(inst->session), cbuf->fd,
smem->dma_buf, cbuf->size);
list_del(&cbuf->list);
if (smem->bitmap_index >= MAX_DMABUF_NUMS) {
/*
* don't care refcount, has to remove mapping
* this is user persistent buffer
*/
if (smem->device_addr) {
msm_cvp_unmap_smem(inst, smem,
"unmap persist");
msm_cvp_smem_put_dma_buf(
cbuf->smem->dma_buf);
smem->device_addr = 0;
}
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
cbuf->smem = NULL;
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
} else {
/*
* DMM_PARAMS and WAP_NCC_PARAMS cases
* Leave dma_cache cleanup to unmap
*/
cbuf->smem = NULL;
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
}
}
}
mutex_unlock(&inst->persistbufs.lock);
mutex_lock(&inst->dma_cache.lock);
for (i = 0; i < inst->dma_cache.nr; i++) {
smem = inst->dma_cache.entries[i];
if (atomic_read(&smem->refcount) == 0) {
print_smem(CVP_MEM, "free", inst, smem);
} else if (!(smem->flags & SMEM_PERSIST)) {
print_smem(CVP_WARN, "in use", inst, smem);
}
msm_cvp_unmap_smem(inst, smem, "unmap cpu");
msm_cvp_smem_put_dma_buf(smem->dma_buf);
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
inst->dma_cache.entries[i] = NULL;
}
mutex_unlock(&inst->dma_cache.lock);
cbuf = (struct cvp_internal_buf *)0xdeadbeef;
mutex_lock(&inst->cvpdspbufs.lock);
list_for_each_entry_safe(cbuf, dummy, &inst->cvpdspbufs.list, list) {
print_internal_buffer(CVP_MEM, "remove dspbufs", inst, cbuf);
if (cbuf->ownership == CLIENT) {
msm_cvp_unmap_smem(inst, cbuf->smem, "unmap dsp");
msm_cvp_smem_put_dma_buf(cbuf->smem->dma_buf);
} else if (cbuf->ownership == DSP) {
rc = cvp_dsp_fastrpc_unmap(inst->dsp_handle, cbuf);
if (rc)
dprintk(CVP_ERR,
"%s: failed to unmap buf from DSP\n",
__func__);
rc = cvp_release_dsp_buffers(inst, cbuf);
if (rc)
dprintk(CVP_ERR,
"%s Fail to free buffer 0x%x\n",
__func__, rc);
}
list_del(&cbuf->list);
cvp_kmem_cache_free(&cvp_driver->buf_cache, cbuf);
}
mutex_unlock(&inst->cvpdspbufs.lock);
mutex_lock(&inst->cvpwnccbufs.lock);
if (inst->cvpwnccbufs_num != 0)
dprintk(CVP_WARN, "%s: cvpwnccbufs not empty, contains %d bufs",
__func__, inst->cvpwnccbufs_num);
list_for_each_entry_safe(cbuf, dummy, &inst->cvpwnccbufs.list, list) {
print_internal_buffer(CVP_MEM, "remove wnccbufs", inst, cbuf);
buf.fd = cbuf->fd;
buf.reserved[0] = cbuf->ktid;
mutex_unlock(&inst->cvpwnccbufs.lock);
msm_cvp_unmap_buf_wncc(inst, &buf);
mutex_lock(&inst->cvpwnccbufs.lock);
}
mutex_unlock(&inst->cvpwnccbufs.lock);
return rc;
}
void msm_cvp_populate_dsp_buf_info(struct cvp_internal_buf *buf,
struct cvp_hal_session *session,
u32 session_id,
struct msm_cvp_core *core)
{
struct cvp_hfi_ops *dev_ops = (struct cvp_hfi_ops *) core->dev_ops;
struct iris_hfi_device *cvp_device = (struct iris_hfi_device *) dev_ops->hfi_device_data;
struct cvp_iface_q_info dsp_debugQ_info = cvp_device->dsp_iface_queues[DEBUG_Q];
struct cvp_dsp_trace_buf *trace_buf;
struct cvp_dsp_trace *dsp_debug_trace;
dsp_debug_trace = (struct cvp_dsp_trace *) dsp_debugQ_info.q_array.align_virtual_addr;
if (!dsp_debug_trace) {
dprintk(CVP_ERR, "dsp trace is NULL\n");
return;
}
for (int session_idx = 0; session_idx < EVA_TRACE_MAX_SESSION_NUM; session_idx++) {
if (dsp_debug_trace->sessions[session_idx].session_id == session_id) {
u32 buf_cnt = dsp_debug_trace->sessions[session_idx].buf_cnt;
for (int buf_idx = 0; buf_idx < buf_cnt; buf_idx++) {
trace_buf = &dsp_debug_trace->sessions[session_idx].buf[buf_idx];
if (buf->smem->device_addr == trace_buf->iova) {
buf->smem->buf_idx = trace_buf->buf_idx;
buf->smem->pkt_type = trace_buf->pkt_type;
buf->smem->fd = trace_buf->fd;
return;
}
}
}
}
}
#define MAX_NUM_FRAMES_DUMP 4
void msm_cvp_print_inst_bufs(struct msm_cvp_inst *inst, bool log)
{
struct cvp_internal_buf *buf = (struct cvp_internal_buf *)0xdeadbeef;
struct msm_cvp_frame *frame = (struct msm_cvp_frame *)0xdeadbeef;
struct msm_cvp_core *core;
struct inst_snapshot *snap = NULL;
int i = 0, c = 0;
// DSP trace related variables
struct cvp_hal_session *session;
u32 session_id;
session = (struct cvp_hal_session *)inst->session;
session_id = hash32_ptr(session);
core = cvp_driver->cvp_core;
if (log && core->log.snapshot_index < 16) {
snap = &core->log.snapshot[core->log.snapshot_index];
snap->session = inst->session;
core->log.snapshot_index++;
}
if (!inst) {
dprintk(CVP_ERR, "%s - invalid param %pK\n",
__func__, inst);
return;
}
dprintk(CVP_ERR,
"---Buffer details for inst: %pK %s of type: %d---\n",
inst, inst->proc_name, inst->session_type);
dprintk(CVP_ERR, "dma_cache entries %d\n", inst->dma_cache.nr);
mutex_lock(&inst->dma_cache.lock);
if (inst->dma_cache.nr <= MAX_DMABUF_NUMS)
for (i = 0; i < inst->dma_cache.nr; i++)
_log_smem(snap, inst, inst->dma_cache.entries[i], log);
mutex_unlock(&inst->dma_cache.lock);
i = 0;
dprintk(CVP_ERR, "frame buffer list\n");
mutex_lock(&inst->frames.lock);
list_for_each_entry(frame, &inst->frames.list, list) {
i++;
if (i <= MAX_NUM_FRAMES_DUMP) {
dprintk(CVP_ERR, "frame no %d tid %llx bufs\n",
i, frame->ktid);
for (c = 0; c < frame->nr; c++)
_log_smem(snap, inst, frame->bufs[c].smem,
log);
}
}
if (i > MAX_NUM_FRAMES_DUMP)
dprintk(CVP_ERR, "Skipped %d frames' buffers\n",
(i - MAX_NUM_FRAMES_DUMP));
mutex_unlock(&inst->frames.lock);
mutex_lock(&inst->cvpdspbufs.lock);
dprintk(CVP_ERR, "dsp buffer list:\n");
list_for_each_entry(buf, &inst->cvpdspbufs.list, list) {
// Populate DSP buffer info from debug queue to kernel instance
msm_cvp_populate_dsp_buf_info(buf, session, session_id, core);
// Log print buffer info
_log_buf(snap, SMEM_CDSP, inst, buf, log);
}
mutex_unlock(&inst->cvpdspbufs.lock);
mutex_lock(&inst->cvpwnccbufs.lock);
dprintk(CVP_ERR, "wncc buffer list:\n");
list_for_each_entry(buf, &inst->cvpwnccbufs.list, list)
print_cvp_buffer(CVP_ERR, "bufdump", inst, buf);
mutex_unlock(&inst->cvpwnccbufs.lock);
mutex_lock(&inst->persistbufs.lock);
dprintk(CVP_ERR, "persist buffer list:\n");
list_for_each_entry(buf, &inst->persistbufs.list, list)
_log_buf(snap, SMEM_PERSIST, inst, buf, log);
mutex_unlock(&inst->persistbufs.lock);
dprintk(CVP_ERR, "last frame ktid %llx\n", inst->last_frame.ktid);
for (i = 0; i < inst->last_frame.nr; i++)
_log_smem(snap, inst, &inst->last_frame.smem[i], log);
dprintk(CVP_ERR, "unmapped wncc bufs\n");
for (i = 0; i < inst->unused_wncc_bufs.nr; i++)
_log_smem(snap, inst, &inst->unused_wncc_bufs.smem[i], log);
dprintk(CVP_ERR, "unmapped dsp bufs\n");
for (i = 0; i < inst->unused_dsp_bufs.nr; i++)
_log_smem(snap, inst, &inst->unused_dsp_bufs.smem[i], log);
}
struct cvp_internal_buf *cvp_allocate_arp_bufs(struct msm_cvp_inst *inst,
u32 buffer_size)
{
struct cvp_internal_buf *buf;
struct msm_cvp_list *buf_list;
u32 smem_flags = SMEM_UNCACHED;
int rc = 0;
if (!inst) {
dprintk(CVP_ERR, "%s Invalid input\n", __func__);
return NULL;
}
buf_list = &inst->persistbufs;
if (!buffer_size)
return NULL;
/* If PERSIST buffer requires secure mapping, uncomment
* below flags setting
* smem_flags |= SMEM_SECURE | SMEM_NON_PIXEL;
*/
buf = cvp_kmem_cache_zalloc(&cvp_driver->buf_cache, GFP_KERNEL);
if (!buf) {
dprintk(CVP_ERR, "%s Out of memory\n", __func__);
goto fail_kzalloc;
}
buf->smem = cvp_kmem_cache_zalloc(&cvp_driver->smem_cache, GFP_KERNEL);
if (!buf->smem) {
dprintk(CVP_ERR, "%s Out of memory\n", __func__);
goto fail_kzalloc;
}
buf->smem->flags = smem_flags;
rc = msm_cvp_smem_alloc(buffer_size, 1, 0, /* 0: no mapping in kernel space */
&(inst->core->resources), buf->smem);
if (rc) {
dprintk(CVP_ERR, "Failed to allocate ARP memory\n");
goto err_no_mem;
}
buf->smem->pkt_type = buf->smem->buf_idx = 0;
buf->smem->pkt_type = buf->smem->buf_idx = 0;
atomic_inc(&buf->smem->refcount);
buf->size = buf->smem->size;
buf->type = HFI_BUFFER_INTERNAL_PERSIST_1;
buf->ownership = DRIVER;
mutex_lock(&buf_list->lock);
list_add_tail(&buf->list, &buf_list->list);
mutex_unlock(&buf_list->lock);
return buf;
err_no_mem:
cvp_kmem_cache_free(&cvp_driver->buf_cache, buf);
fail_kzalloc:
return NULL;
}
int cvp_release_arp_buffers(struct msm_cvp_inst *inst)
{
struct msm_cvp_smem *smem;
struct list_head *ptr = (struct list_head *)0xdead;
struct list_head *next = (struct list_head *)0xdead;
struct cvp_internal_buf *buf;
int rc = 0;
struct msm_cvp_core *core;
struct cvp_hfi_ops *ops_tbl;
if (!inst) {
dprintk(CVP_ERR, "Invalid instance pointer = %pK\n", inst);
return -EINVAL;
}
core = inst->core;
if (!core) {
dprintk(CVP_ERR, "Invalid core pointer = %pK\n", core);
return -EINVAL;
}
ops_tbl = core->dev_ops;
if (!ops_tbl) {
dprintk(CVP_ERR, "Invalid device pointer = %pK\n", ops_tbl);
return -EINVAL;
}
dprintk(CVP_MEM, "release persist buffer!\n");
mutex_lock(&inst->persistbufs.lock);
/* Workaround for FW: release buffer means release all */
if (inst->state > MSM_CVP_CORE_INIT_DONE && inst->state <= MSM_CVP_CLOSE_DONE) {
rc = call_hfi_op(ops_tbl, session_release_buffers,
(void *)inst->session);
if (!rc) {
mutex_unlock(&inst->persistbufs.lock);
rc = wait_for_sess_signal_receipt(inst,
HAL_SESSION_RELEASE_BUFFER_DONE);
if (rc)
dprintk(CVP_WARN,
"%s: wait release_arp signal failed, rc %d\n",
__func__, rc);
mutex_lock(&inst->persistbufs.lock);
} else {
dprintk_rl(CVP_WARN, "Fail to send Rel prst buf\n");
}
}
list_for_each_safe(ptr, next, &inst->persistbufs.list) {
if (!ptr)
return -EINVAL;
buf = list_entry(ptr, struct cvp_internal_buf, list);
smem = buf->smem;
if (!smem) {
dprintk(CVP_ERR, "%s invalid smem\n", __func__);
mutex_unlock(&inst->persistbufs.lock);
return -EINVAL;
}
if (buf->ownership == DRIVER) {
dprintk(CVP_MEM,
"%s: %x : fd %d %pK size %d",
"free arp", hash32_ptr(inst->session), buf->fd,
smem->dma_buf, buf->size);
list_del(&buf->list);
atomic_dec(&smem->refcount);
msm_cvp_smem_free(smem);
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
buf->smem = NULL;
cvp_kmem_cache_free(&cvp_driver->buf_cache, buf);
}
}
mutex_unlock(&inst->persistbufs.lock);
return rc;
}
int cvp_allocate_dsp_bufs(struct msm_cvp_inst *inst,
struct cvp_internal_buf *buf,
u32 buffer_size,
u32 secure_type)
{
u32 smem_flags = SMEM_UNCACHED;
int rc = 0;
if (!inst) {
dprintk(CVP_ERR, "%s Invalid input\n", __func__);
return -EINVAL;
}
if (!buf)
return -EINVAL;
if (!buffer_size)
return -EINVAL;
switch (secure_type) {
case 0:
break;
case 1:
smem_flags |= SMEM_SECURE | SMEM_PIXEL;
break;
case 2:
smem_flags |= SMEM_SECURE | SMEM_NON_PIXEL;
break;
default:
dprintk(CVP_ERR, "%s Invalid secure_type %d\n",
__func__, secure_type);
return -EINVAL;
}
dprintk(CVP_MEM, "%s smem_flags 0x%x\n", __func__, smem_flags);
buf->smem = cvp_kmem_cache_zalloc(&cvp_driver->smem_cache, GFP_KERNEL);
if (!buf->smem) {
dprintk(CVP_ERR, "%s Out of memory\n", __func__);
goto fail_kzalloc_smem_cache;
}
buf->smem->flags = smem_flags;
rc = msm_cvp_smem_alloc(buffer_size, 1, 0,
&(inst->core->resources), buf->smem);
if (rc) {
dprintk(CVP_ERR, "Failed to allocate DSP buf\n");
goto err_no_mem;
}
buf->smem->pkt_type = buf->smem->buf_idx = 0;
atomic_inc(&buf->smem->refcount);
dprintk(CVP_MEM, "%s dma_buf %pK\n", __func__, buf->smem->dma_buf);
buf->size = buf->smem->size;
buf->type = HFI_BUFFER_INTERNAL_PERSIST_1;
buf->ownership = DSP;
return rc;
err_no_mem:
cvp_kmem_cache_free(&cvp_driver->smem_cache, buf->smem);
fail_kzalloc_smem_cache:
return rc;
}
int cvp_release_dsp_buffers(struct msm_cvp_inst *inst,
struct cvp_internal_buf *buf)
{
struct msm_cvp_smem *smem;
int rc = 0;
if (!inst) {
dprintk(CVP_ERR, "Invalid instance pointer = %pK\n", inst);
return -EINVAL;
}
if (!buf) {
dprintk(CVP_ERR, "Invalid buffer pointer = %pK\n", inst);
return -EINVAL;
}
smem = buf->smem;
if (!smem) {
dprintk(CVP_ERR, "%s invalid smem\n", __func__);
return -EINVAL;
}
if (buf->ownership == DSP) {
dprintk(CVP_MEM,
"%s: %x : fd %x %s size %d",
__func__, hash32_ptr(inst->session), buf->fd,
smem->dma_buf->name, buf->size);
atomic_dec(&smem->refcount);
msm_cvp_smem_free(smem);
cvp_kmem_cache_free(&cvp_driver->smem_cache, smem);
} else {
dprintk(CVP_ERR,
"%s: wrong owner %d %x : fd %x %s size %d",
__func__, buf->ownership, hash32_ptr(inst->session),
buf->fd, smem->dma_buf->name, buf->size);
}
return rc;
}
int msm_cvp_register_buffer(struct msm_cvp_inst *inst,
struct eva_kmd_buffer *buf)
{
struct cvp_hfi_ops *ops_tbl;
struct cvp_hal_session *session;
struct msm_cvp_inst *s;
int rc = 0;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
session = (struct cvp_hal_session *)inst->session;
if (!session) {
dprintk(CVP_ERR, "%s: invalid session\n", __func__);
rc = -EINVAL;
goto exit;
}
ops_tbl = inst->core->dev_ops;
print_client_buffer(CVP_HFI, "register", inst, buf);
if (buf->index)
rc = msm_cvp_map_buf_dsp(inst, buf);
else
rc = msm_cvp_map_buf_wncc(inst, buf);
dprintk(CVP_DSP, "%s: fd %d, iova 0x%x\n", __func__,
buf->fd, buf->reserved[0]);
exit:
cvp_put_inst(s);
return rc;
}
int msm_cvp_unregister_buffer(struct msm_cvp_inst *inst,
struct eva_kmd_buffer *buf)
{
struct msm_cvp_inst *s;
int rc = 0;
if (!inst || !inst->core || !buf) {
dprintk(CVP_ERR, "%s: invalid params\n", __func__);
return -EINVAL;
}
s = cvp_get_inst_validate(inst->core, inst);
if (!s)
return -ECONNRESET;
print_client_buffer(CVP_HFI, "unregister", inst, buf);
if (buf->index)
rc = msm_cvp_unmap_buf_dsp(inst, buf);
else
rc = msm_cvp_unmap_buf_wncc(inst, buf);
cvp_put_inst(s);
return rc;
}
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