unsigned long virt_to_phys(unsigned long addr)
{
unsigned long seg = addr & 0xe0000000;
unsigned long long start = 0;
int have_32bit = is_32bit();
if (seg != 0x80000000 && (have_32bit || seg != 0xc0000000))
die("Virtual address %p is not in P1%s\n", (void *)addr,
have_32bit ? "" : " or P2");
/* If 32bit addressing is used then the base of system RAM
* is an offset into physical memory. */
if (have_32bit) {
unsigned long long end;
int ret;
/* Assume there is only one "System RAM" region */
ret = parse_iomem_single("System RAM\n", &start, &end);
if (ret)
die("Could not parse System RAM region "
"in /proc/iomem\n");
}
return addr - seg + start;
}
copyin_afs_ioctl(caddr_t cmarg, struct afs_ioctl *dst)
#endif
{
int code;
#if defined(AFS_DARWIN100_ENV)
struct afs_ioctl32 dst32;
if (!proc_is64bit(current_proc())) {
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
afs_ioctl32_to_afs_ioctl(&dst32, dst);
return code;
}
#endif
#if defined(AFS_AIX51_ENV) && defined(AFS_64BIT_KERNEL)
struct afs_ioctl32 dst32;
if (!(IS64U)) {
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
afs_ioctl32_to_afs_ioctl(&dst32, dst);
return code;
}
#endif /* defined(AFS_AIX51_ENV) && defined(AFS_64BIT_KERNEL) */
#if defined(AFS_HPUX_64BIT_ENV)
struct afs_ioctl32 dst32;
if (is_32bit(u.u_procp)) { /* is_32bit() in proc_iface.h */
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
afs_ioctl32_to_afs_ioctl(&dst32, dst);
return code;
}
#endif /* defined(AFS_HPUX_64BIT_ENV) */
#if defined(AFS_SUN5_64BIT_ENV)
struct afs_ioctl32 dst32;
if (get_udatamodel() == DATAMODEL_ILP32) {
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
afs_ioctl32_to_afs_ioctl(&dst32, dst);
return code;
}
#endif /* defined(AFS_SUN5_64BIT_ENV) */
#if defined(AFS_SGI_ENV) && (_MIPS_SZLONG==64)
struct afs_ioctl32 dst32;
if (!ABI_IS_64BIT(get_current_abi())) {
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
afs_ioctl32_to_afs_ioctl(&dst32, dst);
return code;
}
#endif /* defined(AFS_SGI_ENV) && (_MIPS_SZLONG==64) */
#if defined(AFS_LINUX_64BIT_KERNEL) && !defined(AFS_ALPHA_LINUX20_ENV) && !defined(AFS_IA64_LINUX20_ENV)
struct afs_ioctl32 dst32;
#ifdef AFS_SPARC64_LINUX26_ENV
if (test_thread_flag(TIF_32BIT))
#elif defined(AFS_SPARC64_LINUX24_ENV)
if (current->thread.flags & SPARC_FLAG_32BIT)
#elif defined(AFS_SPARC64_LINUX20_ENV)
if (current->tss.flags & SPARC_FLAG_32BIT)
#elif defined(AFS_AMD64_LINUX26_ENV)
if (test_thread_flag(TIF_IA32))
#elif defined(AFS_AMD64_LINUX20_ENV)
if (current->thread.flags & THREAD_IA32)
#elif defined(AFS_PPC64_LINUX26_ENV)
#if defined(STRUCT_TASK_STRUCT_HAS_THREAD_INFO)
if (current->thread_info->flags & _TIF_32BIT)
#else
if (task_thread_info(current)->flags & _TIF_32BIT)
#endif
#elif defined(AFS_PPC64_LINUX20_ENV)
if (current->thread.flags & PPC_FLAG_32BIT)
#elif defined(AFS_S390X_LINUX26_ENV)
if (test_thread_flag(TIF_31BIT))
#elif defined(AFS_S390X_LINUX20_ENV)
if (current->thread.flags & S390_FLAG_31BIT)
#else
#error pioctl32 not done for this linux
#endif
{
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
afs_ioctl32_to_afs_ioctl(&dst32, dst);
return code;
}
#endif /* defined(AFS_LINUX_64BIT_KERNEL) */
AFS_COPYIN(cmarg, (caddr_t) dst, sizeof *dst, code);
return code;
}
static int
copyin_iparam(caddr_t cmarg, struct iparam *dst)
{
int code;
#if defined(AFS_HPUX_64BIT_ENV)
struct iparam32 dst32;
if (is_32bit(u.u_procp)) { /* is_32bit() in proc_iface.h */
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
iparam32_to_iparam(&dst32, dst);
return code;
}
#endif /* AFS_HPUX_64BIT_ENV */
#if defined(AFS_SUN5_64BIT_ENV)
struct iparam32 dst32;
if (get_udatamodel() == DATAMODEL_ILP32) {
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
iparam32_to_iparam(&dst32, dst);
return code;
}
#endif /* AFS_SUN5_64BIT_ENV */
#if defined(AFS_LINUX_64BIT_KERNEL) && !defined(AFS_ALPHA_LINUX20_ENV) && !defined(AFS_IA64_LINUX20_ENV)
struct iparam32 dst32;
#ifdef AFS_SPARC64_LINUX26_ENV
if (test_thread_flag(TIF_32BIT))
#elif defined(AFS_SPARC64_LINUX24_ENV)
if (current->thread.flags & SPARC_FLAG_32BIT)
#elif defined(AFS_SPARC64_LINUX20_ENV)
if (current->tss.flags & SPARC_FLAG_32BIT)
#elif defined(AFS_AMD64_LINUX26_ENV)
if (test_thread_flag(TIF_IA32))
#elif defined(AFS_AMD64_LINUX20_ENV)
if (current->thread.flags & THREAD_IA32)
#elif defined(AFS_PPC64_LINUX26_ENV)
#if defined(STRUCT_TASK_STRUCT_HAS_THREAD_INFO)
if (current->thread_info->flags & _TIF_32BIT)
#else
if (task_thread_info(current)->flags & _TIF_32BIT)
#endif
#elif defined(AFS_PPC64_LINUX20_ENV)
if (current->thread.flags & PPC_FLAG_32BIT)
#elif defined(AFS_S390X_LINUX26_ENV)
if (test_thread_flag(TIF_31BIT))
#elif defined(AFS_S390X_LINUX20_ENV)
if (current->thread.flags & S390_FLAG_31BIT)
#else
#error iparam32 not done for this linux platform
#endif
{
AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
if (!code)
iparam32_to_iparam(&dst32, dst);
return code;
}
#endif /* AFS_LINUX_64BIT_KERNEL */
AFS_COPYIN(cmarg, (caddr_t) dst, sizeof *dst, code);
return code;
}
