static void perf_remove(struct ntb_client *client, struct ntb_dev *ntb)
{
struct perf_ctx *perf = ntb->ctx;
int i;
dev_dbg(&perf->ntb->dev, "%s called\n", __func__);
mutex_lock(&perf->run_mutex);
cancel_delayed_work_sync(&perf->link_work);
ntb_clear_ctx(ntb);
ntb_link_disable(ntb);
debugfs_remove_recursive(perf_debugfs_dir);
perf_debugfs_dir = NULL;
if (use_dma) {
for (i = 0; i < MAX_THREADS; i++) {
struct pthr_ctx *pctx = &perf->pthr_ctx[i];
if (pctx->dma_chan)
dma_release_channel(pctx->dma_chan);
}
}
kfree(perf);
}
static ssize_t tool_link_write(struct file *filep, const char __user *ubuf,
size_t size, loff_t *offp)
{
struct tool_ctx *tc = filep->private_data;
char buf[32];
size_t buf_size;
bool val;
int rc;
buf_size = min(size, (sizeof(buf) - 1));
if (copy_from_user(buf, ubuf, buf_size))
return -EFAULT;
buf[buf_size] = '\0';
rc = strtobool(buf, &val);
if (rc)
return rc;
if (val)
rc = ntb_link_enable(tc->ntb, NTB_SPEED_AUTO, NTB_WIDTH_AUTO);
else
rc = ntb_link_disable(tc->ntb);
if (rc)
return rc;
return size;
}
static void
ntb_transport_free(struct ntb_transport_ctx *nt)
{
struct ntb_softc *ntb = nt->ntb;
struct _qpset qp_bitmap_alloc;
uint8_t i;
ntb_transport_link_cleanup(nt);
taskqueue_drain(taskqueue_swi, &nt->link_cleanup);
callout_drain(&nt->link_work);
callout_drain(&nt->link_watchdog);
BIT_COPY(QP_SETSIZE, &nt->qp_bitmap, &qp_bitmap_alloc);
BIT_NAND(QP_SETSIZE, &qp_bitmap_alloc, &nt->qp_bitmap_free);
/* Verify that all the QPs are freed */
for (i = 0; i < nt->qp_count; i++)
if (test_bit(i, &qp_bitmap_alloc))
ntb_transport_free_queue(&nt->qp_vec[i]);
ntb_link_disable(ntb);
ntb_clear_ctx(ntb);
for (i = 0; i < nt->mw_count; i++)
ntb_free_mw(nt, i);
free(nt->qp_vec, M_NTB_IF);
}
static void tool_remove(struct ntb_client *self, struct ntb_dev *ntb)
{
struct tool_ctx *tc = ntb->ctx;
tool_free_mws(tc);
ntb_clear_ctx(ntb);
ntb_link_disable(ntb);
debugfs_remove_recursive(tc->dbgfs);
kfree(tc);
}
static void pp_clear_ctx(struct pp_ctx *pp)
{
ntb_link_disable(pp->ntb);
ntb_clear_ctx(pp->ntb);
}
