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Add wrappers for the RT Variable Services. While here, translate the

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EFI status into a standard errno value and change efi_set_time() to
return a standard error.

MFC after:	1 week
This commit is contained in:
Marcel Moolenaar 2010-01-14 02:14:21 +00:00
parent f644abcf6e
commit 259565ce68
2 changed files with 74 additions and 3 deletions
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72
sys/ia64/ia64/efi.c
View File

@ -41,6 +41,45 @@ static struct efi_systbl *efi_systbl;
static struct efi_cfgtbl *efi_cfgtbl;
static struct efi_rt *efi_runtime;
static int efi_status2err[25] = {
0, /* EFI_SUCCESS */
ENOEXEC, /* EFI_LOAD_ERROR */
EINVAL, /* EFI_INVALID_PARAMETER */
ENOSYS, /* EFI_UNSUPPORTED */
EMSGSIZE, /* EFI_BAD_BUFFER_SIZE */
EOVERFLOW, /* EFI_BUFFER_TOO_SMALL */
EBUSY, /* EFI_NOT_READY */
EIO, /* EFI_DEVICE_ERROR */
EROFS, /* EFI_WRITE_PROTECTED */
EAGAIN, /* EFI_OUT_OF_RESOURCES */
EIO, /* EFI_VOLUME_CORRUPTED */
ENOSPC, /* EFI_VOLUME_FULL */
ENXIO, /* EFI_NO_MEDIA */
ESTALE, /* EFI_MEDIA_CHANGED */
ENOENT, /* EFI_NOT_FOUND */
EACCES, /* EFI_ACCESS_DENIED */
ETIMEDOUT, /* EFI_NO_RESPONSE */
EADDRNOTAVAIL, /* EFI_NO_MAPPING */
ETIMEDOUT, /* EFI_TIMEOUT */
EDOOFUS, /* EFI_NOT_STARTED */
EALREADY, /* EFI_ALREADY_STARTED */
ECANCELED, /* EFI_ABORTED */
EPROTO, /* EFI_ICMP_ERROR */
EPROTO, /* EFI_TFTP_ERROR */
EPROTO /* EFI_PROTOCOL_ERROR */
};
static int
efi_status_to_errno(efi_status status)
{
u_long code;
int error;
code = status & 0x3ffffffffffffffful;
error = (code < 25) ? efi_status2err[code] : EDOOFUS;
return (error);
}
void
efi_boot_finish(void)
{
@ -148,9 +187,38 @@ efi_reset_system(void)
panic("%s: unable to reset the machine", __func__);
}
efi_status
int
efi_set_time(struct efi_tm *tm)
{
return (efi_runtime->rt_settime(tm));
return (efi_status_to_errno(efi_runtime->rt_settime(tm)));
}
int
efi_var_get(efi_char *name, struct uuid *vendor, uint32_t *attrib,
size_t *datasize, void *data)
{
efi_status status;
status = efi_runtime->rt_getvar(name, vendor, attrib, datasize, data);
return (efi_status_to_errno(status));
}
int
efi_var_nextname(size_t *namesize, efi_char *name, struct uuid *vendor)
{
efi_status status;
status = efi_runtime->rt_scanvar(namesize, name, vendor);
return (efi_status_to_errno(status));
}
int
efi_var_set(efi_char *name, struct uuid *vendor, uint32_t *attrib,
size_t *datasize, void *data)
{
efi_status status;
status = efi_runtime->rt_getvar(name, vendor, attrib, datasize, data);
return (efi_status_to_errno(status));
}

5
sys/ia64/include/efi.h
View File

@ -158,6 +158,9 @@ void efi_get_time(struct efi_tm *);
struct efi_md *efi_md_first(void);
struct efi_md *efi_md_next(struct efi_md *);
void efi_reset_system(void);
efi_status efi_set_time(struct efi_tm *);
int efi_set_time(struct efi_tm *);
int efi_var_get(efi_char *, struct uuid *, uint32_t *, size_t *, void *);
int efi_var_nextname(size_t *, efi_char *, struct uuid *);
int efi_var_set(efi_char *, struct uuid *, uint32_t *, size_t *, void *);
#endif /* _MACHINE_EFI_H_ */