int
rte_event_pmd_release(struct rte_eventdev *eventdev)
{
int ret;
char mz_name[RTE_EVENTDEV_NAME_MAX_LEN];
const struct rte_memzone *mz;
if (eventdev == NULL)
return -EINVAL;
eventdev->attached = RTE_EVENTDEV_DETACHED;
eventdev_globals.nb_devs--;
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
rte_free(eventdev->data->dev_private);
/* Generate memzone name */
ret = snprintf(mz_name, sizeof(mz_name), "rte_eventdev_data_%u",
eventdev->data->dev_id);
if (ret >= (int)sizeof(mz_name))
return -EINVAL;
mz = rte_memzone_lookup(mz_name);
if (mz == NULL)
return -ENOMEM;
ret = rte_memzone_free(mz);
if (ret)
return ret;
}
eventdev->data = NULL;
return 0;
}
void bnxt_free_ring(struct bnxt_ring *ring)
{
if (ring->vmem_size && *ring->vmem) {
memset((char *)*ring->vmem, 0, ring->vmem_size);
*ring->vmem = NULL;
}
rte_memzone_free((const struct rte_memzone *)ring->mem_zone);
}
int
spdk_memzone_free(const char *name)
{
const struct rte_memzone *mz = rte_memzone_lookup(name);
if (mz != NULL) {
return rte_memzone_free(mz);
}
return -1;
}
int
otx_cpt_put_resource(struct cpt_instance *instance)
{
struct cpt_vf *cptvf = (struct cpt_vf *)instance;
struct rte_memzone *rz;
if (!cptvf) {
CPT_LOG_ERR("Invalid CPTVF handle");
return -EINVAL;
}
CPT_LOG_DP_DEBUG("Releasing cpt device %s", cptvf->dev_name);
rz = (struct rte_memzone *)instance->rsvd;
rte_memzone_free(rz);
return 0;
}
static void qat_queue_delete(struct qat_queue *queue)
{
const struct rte_memzone *mz;
int status = 0;
if (queue == NULL) {
PMD_DRV_LOG(DEBUG, "Invalid queue");
return;
}
mz = rte_memzone_lookup(queue->memz_name);
if (mz != NULL) {
/* Write an unused pattern to the queue memory. */
memset(queue->base_addr, 0x7F, queue->queue_size);
status = rte_memzone_free(mz);
if (status != 0)
PMD_DRV_LOG(ERR, "Error %d on freeing queue %s",
status, queue->memz_name);
} else {
PMD_DRV_LOG(DEBUG, "queue %s doesn't exist",
queue->memz_name);
}
}
int
otx_cpt_get_resource(void *dev, uint8_t group, struct cpt_instance **instance)
{
int ret = -ENOENT, len, qlen, i;
int chunk_len, chunks, chunk_size;
struct cpt_vf *cptvf = (struct cpt_vf *)dev;
struct cpt_instance *cpt_instance;
struct command_chunk *chunk_head = NULL, *chunk_prev = NULL;
struct command_chunk *chunk = NULL;
uint8_t *mem;
const struct rte_memzone *rz;
uint64_t dma_addr = 0, alloc_len, used_len;
uint64_t *next_ptr;
uint64_t pg_sz = sysconf(_SC_PAGESIZE);
CPT_LOG_DP_DEBUG("Initializing cpt resource %s", cptvf->dev_name);
cpt_instance = &cptvf->instance;
memset(&cptvf->cqueue, 0, sizeof(cptvf->cqueue));
memset(&cptvf->pqueue, 0, sizeof(cptvf->pqueue));
/* Chunks are of fixed size buffers */
chunks = DEFAULT_CMD_QCHUNKS;
chunk_len = DEFAULT_CMD_QCHUNK_SIZE;
qlen = chunks * chunk_len;
/* Chunk size includes 8 bytes of next chunk ptr */
chunk_size = chunk_len * CPT_INST_SIZE + CPT_NEXT_CHUNK_PTR_SIZE;
/* For command chunk structures */
len = chunks * RTE_ALIGN(sizeof(struct command_chunk), 8);
/* For pending queue */
len += qlen * RTE_ALIGN(sizeof(struct rid), 8);
/* So that instruction queues start as pg size aligned */
len = RTE_ALIGN(len, pg_sz);
/* For Instruction queues */
len += chunks * RTE_ALIGN(chunk_size, 128);
/* Wastage after instruction queues */
len = RTE_ALIGN(len, pg_sz);
rz = rte_memzone_reserve_aligned(cptvf->dev_name, len, cptvf->node,
RTE_MEMZONE_SIZE_HINT_ONLY |
RTE_MEMZONE_256MB,
RTE_CACHE_LINE_SIZE);
if (!rz) {
ret = rte_errno;
goto cleanup;
}
mem = rz->addr;
dma_addr = rz->phys_addr;
alloc_len = len;
memset(mem, 0, len);
cpt_instance->rsvd = (uintptr_t)rz;
/* Pending queue setup */
cptvf->pqueue.rid_queue = (struct rid *)mem;
cptvf->pqueue.enq_tail = 0;
cptvf->pqueue.deq_head = 0;
cptvf->pqueue.pending_count = 0;
mem += qlen * RTE_ALIGN(sizeof(struct rid), 8);
len -= qlen * RTE_ALIGN(sizeof(struct rid), 8);
dma_addr += qlen * RTE_ALIGN(sizeof(struct rid), 8);
/* Alignment wastage */
used_len = alloc_len - len;
mem += RTE_ALIGN(used_len, pg_sz) - used_len;
len -= RTE_ALIGN(used_len, pg_sz) - used_len;
dma_addr += RTE_ALIGN(used_len, pg_sz) - used_len;
/* Init instruction queues */
chunk_head = &cptvf->cqueue.chead[0];
i = qlen;
chunk_prev = NULL;
for (i = 0; i < DEFAULT_CMD_QCHUNKS; i++) {
int csize;
chunk = &cptvf->cqueue.chead[i];
chunk->head = mem;
chunk->dma_addr = dma_addr;
csize = RTE_ALIGN(chunk_size, 128);
mem += csize;
dma_addr += csize;
len -= csize;
if (chunk_prev) {
next_ptr = (uint64_t *)(chunk_prev->head +
chunk_size - 8);
*next_ptr = (uint64_t)chunk->dma_addr;
}
chunk_prev = chunk;
}
/* Circular loop */
next_ptr = (uint64_t *)(chunk_prev->head + chunk_size - 8);
*next_ptr = (uint64_t)chunk_head->dma_addr;
assert(!len);
/* This is used for CPT(0)_PF_Q(0..15)_CTL.size config */
cptvf->qsize = chunk_size / 8;
cptvf->cqueue.qhead = chunk_head->head;
cptvf->cqueue.idx = 0;
cptvf->cqueue.cchunk = 0;
if (cpt_vq_init(cptvf, group)) {
CPT_LOG_ERR("Failed to initialize CPT VQ of device %s",
cptvf->dev_name);
ret = -EBUSY;
goto cleanup;
}
*instance = cpt_instance;
CPT_LOG_DP_DEBUG("Crypto device (%s) initialized", cptvf->dev_name);
return 0;
cleanup:
rte_memzone_free(rz);
*instance = NULL;
return ret;
}