cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xhci-dbg.c (759B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * xHCI host controller driver
      4 *
      5 * Copyright (C) 2008 Intel Corp.
      6 *
      7 * Author: Sarah Sharp
      8 * Some code borrowed from the Linux EHCI driver.
      9 */
     10
     11#include "xhci.h"
     12
     13char *xhci_get_slot_state(struct xhci_hcd *xhci,
     14		struct xhci_container_ctx *ctx)
     15{
     16	struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
     17	int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
     18
     19	return xhci_slot_state_string(state);
     20}
     21
     22void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),
     23			const char *fmt, ...)
     24{
     25	struct va_format vaf;
     26	va_list args;
     27
     28	va_start(args, fmt);
     29	vaf.fmt = fmt;
     30	vaf.va = &args;
     31	xhci_dbg(xhci, "%pV\n", &vaf);
     32	trace(&vaf);
     33	va_end(args);
     34}
     35EXPORT_SYMBOL_GPL(xhci_dbg_trace);