Some guid manipulation utilities has been added.

It will be used for reading efi variables with capabilities.

Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Labun, Marcin 2011-03-10 11:45:15 +11:00 committed by NeilBrown
parent 2a7e6de250
commit 1a90147116
2 changed files with 24 additions and 0 deletions

View File

@ -294,6 +294,15 @@ static const struct imsm_orom *find_imsm_hba_orom(enum sys_dev_type hba_id)
return NULL;
}
#define GUID_STR_MAX 37 /* according to GUID format:
* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" */
#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
((struct efi_guid) \
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
(b) & 0xff, ((b) >> 8) & 0xff, \
(c) & 0xff, ((c) >> 8) & 0xff, \
(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
/*
* backward interface compatibility

View File

@ -197,6 +197,21 @@ struct sys_dev {
struct sys_dev *next;
};
struct efi_guid {
__u8 b[16];
};
static inline char *guid_str(char *buf, struct efi_guid guid)
{
sprintf(buf, "%02x%02x%02x%02x-%02x%02x-%02x%02x-"
"%02x%02x-%02x%02x%02x%02x%02x%02x",
guid.b[3], guid.b[2], guid.b[1], guid.b[0],
guid.b[5], guid.b[4], guid.b[7], guid.b[6],
guid.b[8], guid.b[9], guid.b[10], guid.b[11],
guid.b[12], guid.b[13], guid.b[14], guid.b[15]);
return buf;
}
char *diskfd_to_devpath(int fd);
struct sys_dev *find_driver_devices(const char *bus, const char *driver);
struct sys_dev *find_intel_devices(void);