/* * QEMU VNC display driver: TLS helpers * * Copyright (C) 2006 Anthony Liguori * Copyright (C) 2006 Fabrice Bellard * Copyright (C) 2009 Red Hat, Inc * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu-x509.h" #include "vnc.h" #include "qemu/sockets.h" #if defined(_VNC_DEBUG) && _VNC_DEBUG >= 2 /* Very verbose, so only enabled for _VNC_DEBUG >= 2 */ static void vnc_debug_gnutls_log(int level, const char* str) { VNC_DEBUG("%d %s", level, str); } #endif /* defined(_VNC_DEBUG) && _VNC_DEBUG >= 2 */ #define DH_BITS 1024 static gnutls_dh_params_t dh_params; static int vnc_tls_initialize(void) { static int tlsinitialized = 0; if (tlsinitialized) return 1; if (gnutls_global_init () < 0) return 0; /* XXX ought to re-generate diffie-hellman params periodically */ if (gnutls_dh_params_init (&dh_params) < 0) return 0; if (gnutls_dh_params_generate2 (dh_params, DH_BITS) < 0) return 0; #if defined(_VNC_DEBUG) && _VNC_DEBUG >= 2 gnutls_global_set_log_level(10); gnutls_global_set_log_function(vnc_debug_gnutls_log); #endif tlsinitialized = 1; return 1; } static ssize_t vnc_tls_push(gnutls_transport_ptr_t transport, const void *data, size_t len) { VncState *vs = (VncState *)transport; int ret; retry: ret = send(vs->csock, data, len, 0); if (ret < 0) { if (errno == EINTR) goto retry; return -1; } return ret; } static ssize_t vnc_tls_pull(gnutls_transport_ptr_t transport, void *data, size_t len) { VncState *vs = (VncState *)transport; int ret; retry: ret = qemu_recv(vs->csock, data, len, 0); if (ret < 0) { if (errno == EINTR) goto retry; return -1; } return ret; } static gnutls_anon_server_credentials_t vnc_tls_initialize_anon_cred(void) { gnutls_anon_server_credentials_t anon_cred; int ret; if ((ret = gnutls_anon_allocate_server_credentials(&anon_cred)) < 0) { VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret)); return NULL; } gnutls_anon_set_server_dh_params(anon_cred, dh_params); return anon_cred; } static gnutls_certificate_credentials_t vnc_tls_initialize_x509_cred(VncDisplay *vd) { gnutls_certificate_credentials_t x509_cred; int ret; if (!vd->tls.x509cacert) { VNC_DEBUG("No CA x509 certificate specified\n"); return NULL; } if (!vd->tls.x509cert) { VNC_DEBUG("No server x509 certificate specified\n"); return NULL; } if (!vd->tls.x509key) { VNC_DEBUG("No server private key specified\n"); return NULL; } if ((ret = gnutls_certificate_allocate_credentials(&x509_cred)) < 0) { VNC_DEBUG("Cannot allocate credentials %s\n", gnutls_strerror(ret)); return NULL; } if ((ret = gnutls_certificate_set_x509_trust_file(x509_cred, vd->tls.x509cacert, GNUTLS_X509_FMT_PEM)) < 0) { VNC_DEBUG("Cannot load CA certificate %s\n", gnutls_strerror(ret)); gnutls_certificate_free_credentials(x509_cred); return NULL; } if ((ret = gnutls_certificate_set_x509_key_file (x509_cred, vd->tls.x509cert, vd->tls.x509key, GNUTLS_X509_FMT_PEM)) < 0) { VNC_DEBUG("Cannot load certificate & key %s\n", gnutls_strerror(ret)); gnutls_certificate_free_credentials(x509_cred); return NULL; } if (vd->tls.x509cacrl) { if ((ret = gnutls_certificate_set_x509_crl_file(x509_cred, vd->tls.x509cacrl, GNUTLS_X509_FMT_PEM)) < 0) { VNC_DEBUG("Cannot load CRL %s\n", gnutls_strerror(ret)); gnutls_certificate_free_credentials(x509_cred); return NULL; } } gnutls_certificate_set_dh_params (x509_cred, dh_params); return x509_cred; } int vnc_tls_validate_certificate(VncState *vs) { int ret; unsigned int status; const gnutls_datum_t *certs; unsigned int nCerts, i; time_t now; VNC_DEBUG("Validating client certificate\n"); if ((ret = gnutls_certificate_verify_peers2 (vs->tls.session, &status)) < 0) { VNC_DEBUG("Verify failed %s\n", gnutls_strerror(ret)); return -1; } if ((now = time(NULL)) == ((time_t)-1)) { return -1; } if (status != 0) { if (status & GNUTLS_CERT_INVALID) VNC_DEBUG("The certificate is not trusted.\n"); if (status & GNUTLS_CERT_SIGNER_NOT_FOUND) VNC_DEBUG("The certificate hasn't got a known issuer.\n"); if (status & GNUTLS_CERT_REVOKED) VNC_DEBUG("The certificate has been revoked.\n"); if (status & GNUTLS_CERT_INSECURE_ALGORITHM) VNC_DEBUG("The certificate uses an insecure algorithm\n"); return -1; } else { VNC_DEBUG("Certificate is valid!\n"); } /* Only support x509 for now */ if (gnutls_certificate_type_get(vs->tls.session) != GNUTLS_CRT_X509) return -1; if (!(certs = gnutls_certificate_get_peers(vs->tls.session, &nCerts))) return -1; for (i = 0 ; i < nCerts ; i++) { gnutls_x509_crt_t cert; VNC_DEBUG ("Checking certificate chain %d\n", i); if (gnutls_x509_crt_init (&cert) < 0) return -1; if (gnutls_x509_crt_import(cert, &certs[i], GNUTLS_X509_FMT_DER) < 0) { gnutls_x509_crt_deinit (cert); return -1; } if (gnutls_x509_crt_get_expiration_time (cert) < now) { VNC_DEBUG("The certificate has expired\n"); gnutls_x509_crt_deinit (cert); return -1; } if (gnutls_x509_crt_get_activation_time (cert) > now) { VNC_DEBUG("The certificate is not yet activated\n"); gnutls_x509_crt_deinit (cert); return -1; } if (gnutls_x509_crt_get_activation_time (cert) > now) { VNC_DEBUG("The certificate is not yet activated\n"); gnutls_x509_crt_deinit (cert); return -1; } if (i == 0) { size_t dnameSize = 1024; vs->tls.dname = g_malloc(dnameSize); requery: if ((ret = gnutls_x509_crt_get_dn (cert, vs->tls.dname, &dnameSize)) != 0) { if (ret == GNUTLS_E_SHORT_MEMORY_BUFFER) { vs->tls.dname = g_realloc(vs->tls.dname, dnameSize); goto requery; } gnutls_x509_crt_deinit (cert); VNC_DEBUG("Cannot get client distinguished name: %s", gnutls_strerror (ret)); return -1; } if (vs->vd->tls.x509verify) { int allow; if (!vs->vd->tls.acl) { VNC_DEBUG("no ACL activated, allowing access"); gnutls_x509_crt_deinit (cert); continue; } allow = qemu_acl_party_is_allowed(vs->vd->tls.acl, vs->tls.dname); VNC_DEBUG("TLS x509 ACL check for %s is %s\n", vs->tls.dname, allow ? "allowed" : "denied"); if (!allow) { gnutls_x509_crt_deinit (cert); return -1; } } } gnutls_x509_crt_deinit (cert); } return 0; } #if defined(GNUTLS_VERSION_NUMBER) && \ GNUTLS_VERSION_NUMBER >= 0x020200 /* 2.2.0 */ static int vnc_set_gnutls_priority(gnutls_session_t s, int x509) { const char *priority = x509 ? "NORMAL" : "NORMAL:+ANON-DH"; int rc; rc = gnutls_priority_set_direct(s, priority, NULL); if (rc != GNUTLS_E_SUCCESS) { return -1; } return 0; } #else static int vnc_set_gnutls_priority(gnutls_session_t s, int x509) { static const int cert_types[] = { GNUTLS_CRT_X509, 0 }; static const int protocols[] = { GNUTLS_TLS1_1, GNUTLS_TLS1_0, GNUTLS_SSL3, 0 }; static const int kx_anon[] = { GNUTLS_KX_ANON_DH, 0 }; static const int kx_x509[] = { GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA, GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0 }; int rc; rc = gnutls_kx_set_priority(s, x509 ? kx_x509 : kx_anon); if (rc != GNUTLS_E_SUCCESS) { return -1; } rc = gnutls_certificate_type_set_priority(s, cert_types); if (rc != GNUTLS_E_SUCCESS) { return -1; } rc = gnutls_protocol_set_priority(s, protocols); if (rc != GNUTLS_E_SUCCESS) { return -1; } return 0; } #endif int vnc_tls_client_setup(VncState *vs, int needX509Creds) { VNC_DEBUG("Do TLS setup\n"); if (vnc_tls_initialize() < 0) { VNC_DEBUG("Failed to init TLS\n"); vnc_client_error(vs); return -1; } if (vs->tls.session == NULL) { if (gnutls_init(&vs->tls.session, GNUTLS_SERVER) < 0) { vnc_client_error(vs); return -1; } if (gnutls_set_default_priority(vs->tls.session) < 0) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; vnc_client_error(vs); return -1; } if (vnc_set_gnutls_priority(vs->tls.session, needX509Creds) < 0) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; vnc_client_error(vs); return -1; } if (needX509Creds) { gnutls_certificate_server_credentials x509_cred = vnc_tls_initialize_x509_cred(vs->vd); if (!x509_cred) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; vnc_client_error(vs); return -1; } if (gnutls_credentials_set(vs->tls.session, GNUTLS_CRD_CERTIFICATE, x509_cred) < 0) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; gnutls_certificate_free_credentials(x509_cred); vnc_client_error(vs); return -1; } if (vs->vd->tls.x509verify) { VNC_DEBUG("Requesting a client certificate\n"); gnutls_certificate_server_set_request(vs->tls.session, GNUTLS_CERT_REQUEST); } } else { gnutls_anon_server_credentials_t anon_cred = vnc_tls_initialize_anon_cred(); if (!anon_cred) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; vnc_client_error(vs); return -1; } if (gnutls_credentials_set(vs->tls.session, GNUTLS_CRD_ANON, anon_cred) < 0) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; gnutls_anon_free_server_credentials(anon_cred); vnc_client_error(vs); return -1; } } gnutls_transport_set_ptr(vs->tls.session, (gnutls_transport_ptr_t)vs); gnutls_transport_set_push_function(vs->tls.session, vnc_tls_push); gnutls_transport_set_pull_function(vs->tls.session, vnc_tls_pull); } return 0; } void vnc_tls_client_cleanup(VncState *vs) { if (vs->tls.session) { gnutls_deinit(vs->tls.session); vs->tls.session = NULL; } g_free(vs->tls.dname); } static int vnc_set_x509_credential(VncDisplay *vd, const char *certdir, const char *filename, char **cred, int ignoreMissing) { struct stat sb; g_free(*cred); *cred = g_malloc(strlen(certdir) + strlen(filename) + 2); strcpy(*cred, certdir); strcat(*cred, "/"); strcat(*cred, filename); VNC_DEBUG("Check %s\n", *cred); if (stat(*cred, &sb) < 0) { g_free(*cred); *cred = NULL; if (ignoreMissing && errno == ENOENT) return 0; return -1; } return 0; } int vnc_tls_set_x509_creds_dir(VncDisplay *vd, const char *certdir) { if (vnc_set_x509_credential(vd, certdir, X509_CA_CERT_FILE, &vd->tls.x509cacert, 0
/*
 * This file is part of the flashrom project.
 *
 * Copyright (C) 2009 Carl-Daniel Hailfinger
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

/*
 * Header file for hardware access and OS abstraction. Included from flash.h.
 */

#ifndef __HWACCESS_H__
#define __HWACCESS_H__ 1

#if defined (__i386__) || defined (__x86_64__)
#if defined(__GLIBC__)
#include <sys/io.h>
#endif
#endif

#if NEED_PCI == 1
/*
 * libpci headers use the variable name "index" which triggers shadowing
 * warnings on systems which have the index() function in a default #include
 * or as builtin.
 */
#define index shadow_workaround_index
#include <pci/pci.h>
#undef index
#endif

#if defined (__i386__) || defined (__x86_64__)

/* All x86 is little-endian. */
#define __FLASHROM_LITTLE_ENDIAN__ 1

#elif defined (__mips) || defined (__mips__) || defined (_mips) || defined (mips)

/* MIPS can be either endian. */
#if defined (__MIPSEL) || defined (__MIPSEL__) || defined (_MIPSEL) || defined (MIPSEL)
#define __FLASHROM_LITTLE_ENDIAN__ 1
#elif defined (__MIPSEB) || defined (__MIPSEB__) || defined (_MIPSEB) || defined (MIPSEB)
#define __FLASHROM_BIG_ENDIAN__ 1
#endif

#elif defined(__powerpc__) || defined(__powerpc64__) || defined(__ppc__) || defined(__ppc64__)

/* PowerPC can be either endian. */
#if defined (_BIG_ENDIAN) || defined (__BIG_ENDIAN__)
#define __FLASHROM_BIG_ENDIAN__ 1
/* Error checking in case some weird header has #defines for LE as well. */
#if defined (_LITTLE_ENDIAN) || defined (__LITTLE_ENDIAN__)
#error Conflicting endianness #define
#endif
#else
#error Little-endian PowerPC #defines are unknown
#endif

#endif

#if !defined (__FLASHROM_BIG_ENDIAN__) && !defined (__FLASHROM_LITTLE_ENDIAN__)
/* Nonstandard libc-specific macros for determining endianness. */
#if defined(__GLIBC__)
#include <endian.h>
#if BYTE_ORDER == LITTLE_ENDIAN
#define __FLASHROM_LITTLE_ENDIAN__ 1
#elif BYTE_ORDER == BIG_ENDIAN
#define __FLASHROM_BIG_ENDIAN__ 1
#endif
#endif
#endif

#if !defined (__FLASHROM_BIG_ENDIAN__) && !defined (__FLASHROM_LITTLE_ENDIAN__)
#error Unable to determine endianness. Please add support for your arch or libc.
#endif

#define ___constant_swab8(x) ((uint8_t) (				\
	(((uint8_t)(x) & (uint8_t)0xffU))))

#define ___constant_swab16(x) ((uint16_t) (				\
	(((uint16_t)(x) & (uint16_t)0x00ffU) << 8) |			\
	(((uint16_t)(x) & (uint16_t)0xff00U) >> 8)))

#define ___constant_swab32(x) ((uint32_t) (				\
	(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) |		\
	(((uint32_t)(x) & (uint32_t)0x0000ff00UL) <<  8) |		\
	(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >>  8) |		\
	(((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24)))

#define ___constant_swab64(x) ((uint64_t) (				\
	(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) |	\
	(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) |	\
	(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) |	\
	(((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) <<  8) |	\
	(((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >>  8) |	\
	(((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) |	\
	(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) |	\
	(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56)))

#if defined (__FLASHROM_BIG_ENDIAN__)

#define cpu_to_le(bits)							\
static inline uint##bits##_t cpu_to_le##bits(uint##bits##_t val)	\
{									\
	return ___constant_swab##bits(val);				\
}

cpu_to_le(8)
cpu_to_le(16)
cpu_to_le(32)
cpu_to_le(64)

#define cpu_to_be8
#define cpu_to_be16
#define cpu_to_be32
#define cpu_to_be64

#elif defined (__FLASHROM_LITTLE_ENDIAN__)

#define cpu_to_be(bits)							\
static inline uint##bits##_t cpu_to_be##bits(uint##bits##_t val)	\
{									\
	return ___constant_swab##bits(val);				\
}

cpu_to_be(8)
cpu_to_be(16)
cpu_to_be(32)
cpu_to_be(64)

#define cpu_to_le8
#define cpu_to_le16
#define cpu_to_le32
#define cpu_to_le64

#else

#error Could not determine endianness.

#endif

#define be_to_cpu8 cpu_to_be8
#define be_to_cpu16 cpu_to_be16
#define be_to_cpu32 cpu_to_be32
#define be_to_cpu64 cpu_to_be64
#define le_to_cpu8 cpu_to_le8
#define le_to_cpu16 cpu_to_le16
#define le_to_cpu32 cpu_to_le32
#define le_to_cpu64 cpu_to_le64

#if NEED_PCI == 1
#if defined (__i386__) || defined (__x86_64__)

#define __FLASHROM_HAVE_OUTB__ 1

/* for iopl and outb under Solaris */
#if defined (__sun) && (defined(__i386) || defined(__amd64))
#include <strings.h>
#include <sys/sysi86.h>
#include <sys/psw.h>
#include <asm/sunddi.h>
#endif

#if (defined(__MACH__) && defined(__APPLE__))
#define __DARWIN__
#endif

/* Clarification about OUTB/OUTW/OUTL argument order:
 * OUT[BWL](val, port)
 */

#if defined(__FreeBSD__) || defined(__DragonFly__)
  #include <machine/cpufunc.h>
  #define off64_t off_t
  #define lseek64 lseek
  #define OUTB(x, y) do { u_int outb_tmp = (y); outb(outb_tmp, (x)); } while (0)
  #define OUTW(x, y) do { u_int outw_tmp = (y); outw(outw_tmp, (x)); } while (0)
  #define OUTL(x, y) do { u_int outl_tmp = (y); outl(outl_tmp, (x)); } while (0)
  #define INB(x) __extension__ ({ u_int inb_tmp = (x); inb(inb_tmp); })
  #define INW(x) __extension__ ({ u_int inw_tmp = (x); inw(inw_tmp); })
  #define INL(x) __extension__ ({ u_int inl_tmp = (x); inl(inl_tmp); })
#else
#if defined(__DARWIN__)
    /* Header is part of the DirectHW library. */
    #include <DirectIO/darwinio.h>
    #define off64_t off_t
    #define lseek64 lseek
#endif
#if defined (__sun) && (defined(__i386) || defined(__amd64))
  /* Note different order for outb */
  #define OUTB(x,y) outb(y, x)
  #define OUTW(x,y) outw(y, x)
  #define OUTL(x,y) outl(y, x)
  #define INB  inb
  #define INW  inw
  #define INL  inl
#else

#ifdef __DJGPP__

#include <pc.h>

  #define OUTB(x,y) outportb(y, x)
  #define OUTW(x,y) outportw(y, x)
  #define OUTL(x,y) outportl(y, x)

  #define INB  inportb
  #define INW  inportw
  #define INL  inportl

#else 

  #define OUTB outb
  #define OUTW outw
  #define OUTL outl
  #define INB  inb
  #define INW  inw
  #define INL  inl

#endif

#endif
#endif

#if defined(__NetBSD__) || defined (__OpenBSD__)
  #define off64_t off_t
  #define lseek64 lseek
  #if defined(__i386__) || defined(__x86_64__)
    #include <sys/types.h>
    #include <machine/sysarch.h>
#if defined(__NetBSD__)
    #if defined(__i386__)
      #define iopl i386_iopl
    #elif defined(__x86_64__)
      #define iopl x86_64_iopl
    #endif
#elif defined (__OpenBSD__)
    #if defined(__i386__)
      #define iopl i386_iopl
    #elif defined(__amd64__)
      #define iopl amd64_iopl
    #endif
#endif

static inline void outb(uint8_t value, uint16_t port)
{
	asm volatile ("outb %b0,%w1": :"a" (value), "Nd" (port));
}

static inline uint8_t inb(uint16_t port)
{
	uint8_t value;
	asm volatile ("inb %w1,%0":"=a" (value):"Nd" (port));
	return value;
}

static inline void outw(uint16_t value, uint16_t port)
{
	asm volatile ("outw %w0,%w1": :"a" (value), "Nd" (port));
}

static inline uint16_t inw(uint16_t port)
{
	uint16_t value;
	asm volatile ("inw %w1,%0":"=a" (value):"Nd" (port));
	return value;
}

static inline void outl(uint32_t value, uint16_t port)
{
	asm volatile ("outl %0,%w1": :"a" (value), "Nd" (port));
}

static inline uint32_t inl(uint16_t port)
{
	uint32_t value;
	asm volatile ("inl %1,%0":"=a" (value):"Nd" (port));
	return value;
}
  #endif
#endif

#if !defined(__DARWIN__) && !defined(__FreeBSD__) && !defined(__DragonFly__) && !defined(__LIBPAYLOAD__)
typedef struct { uint32_t hi, lo; } msr_t;
msr_t rdmsr(int addr);
int wrmsr(int addr, msr_t msr);
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
/* FreeBSD already has conflicting definitions for wrmsr/rdmsr. */
#undef rdmsr
#undef wrmsr
#define rdmsr freebsd_rdmsr
#define wrmsr freebsd_wrmsr
typedef struct { uint32_t hi, lo; } msr_t;
msr_t freebsd_rdmsr(int addr);
int freebsd_wrmsr(int addr, msr_t msr);
#endif
#if defined(__LIBPAYLOAD__)
#include <arch/io.h>
#include <arch/msr.h>
typedef struct { uint32_t hi, lo; } msr_t;
msr_t libpayload_rdmsr(int addr);
int libpayload_wrmsr(int addr, msr_t msr);
#undef rdmsr
#define rdmsr libpayload_rdmsr
#define wrmsr libpayload_wrmsr
#endif

#elif defined(__powerpc__) || defined(__powerpc64__) || defined(__ppc__) || defined(__ppc64__)

/* PCI port I/O is not yet implemented on PowerPC. */

#elif defined (__mips) || defined (__mips__) || defined (_mips) || defined (mips)

/* PCI port I/O is not yet implemented on MIPS. */

#else

#error Unknown architecture, please check if it supports PCI port IO.

#endif
#endif

#endif /* !__HWACCESS_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 20:31:51 +0000