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// SPDX-License-Identifier: GPL-2.0
/*
* xHCI host controller driver
*
* Copyright (C) 2008 Intel Corp.
*
* Author: Sarah Sharp
* Some code borrowed from the Linux EHCI driver.
*/
#include "xhci.h"
void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)
{
u64 addr = erst->erst_dma_addr;
int i;
struct xhci_erst_entry *entry;
for (i = 0; i < erst->num_entries; i++) {
entry = &erst->entries[i];
xhci_dbg(xhci, "@%016llx %08x %08x %08x %08x\n",
addr,
lower_32_bits(le64_to_cpu(entry->seg_addr)),
upper_32_bits(le64_to_cpu(entry->seg_addr)),
le32_to_cpu(entry->seg_size),
le32_to_cpu(entry->rsvd));
addr += sizeof(*entry);
}
}
char *xhci_get_slot_state(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx)
{
struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
return xhci_slot_state_string(state);
}
void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
xhci_dbg(xhci, "%pV\n", &vaf);
trace(&vaf);
va_end(args);
}
EXPORT_SYMBOL_GPL(xhci_dbg_trace);
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