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[SCSI] libosd: attributes Support

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Support for both List-Mode and Page-Mode osd attributes. One of
these operations may be added to most other operations.

Define the OSD standard's attribute pages constants and structures
(osd_attributes.h)

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Reviewed-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Boaz Harrosh 2009-01-25 16:59:50 +02:00 committed by James Bottomley
parent b799bc7da0
commit 4ef1a3d70d
2 changed files with 906 additions and 0 deletions
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579
drivers/scsi/osd/osd_initiator.c
View file

@ -45,6 +45,10 @@
#include "osd_debug.h"
#ifndef __unused
# define __unused __attribute__((unused))
#endif
enum { OSD_REQ_RETRIES = 1 };
MODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>");
@ -63,6 +67,50 @@ static unsigned _osd_req_cdb_len(struct osd_request *or)
return OSDv1_TOTAL_CDB_LEN;
}
static unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len)
{
return osdv1_attr_list_elem_size(len);
}
static unsigned _osd_req_alist_size(struct osd_request *or, void *list_head)
{
return osdv1_list_size(list_head);
}
static unsigned _osd_req_sizeof_alist_header(struct osd_request *or)
{
return sizeof(struct osdv1_attributes_list_header);
}
static void _osd_req_set_alist_type(struct osd_request *or,
void *list, int list_type)
{
struct osdv1_attributes_list_header *attr_list = list;
memset(attr_list, 0, sizeof(*attr_list));
attr_list->type = list_type;
}
static bool _osd_req_is_alist_type(struct osd_request *or,
void *list, int list_type)
{
if (!list)
return false;
if (1) {
struct osdv1_attributes_list_header *attr_list = list;
return attr_list->type == list_type;
}
}
static osd_cdb_offset osd_req_encode_offset(struct osd_request *or,
u64 offset, unsigned *padding)
{
return __osd_encode_offset(offset, padding,
OSDv1_OFFSET_MIN_SHIFT, OSD_OFFSET_MAX_SHIFT);
}
void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device)
{
memset(osdd, 0, sizeof(*osdd));
@ -125,10 +173,25 @@ static void _abort_unexecuted_bios(struct request *rq)
}
}
static void _osd_free_seg(struct osd_request *or __unused,
struct _osd_req_data_segment *seg)
{
if (!seg->buff || !seg->alloc_size)
return;
kfree(seg->buff);
seg->buff = NULL;
seg->alloc_size = 0;
}
void osd_end_request(struct osd_request *or)
{
struct request *rq = or->request;
_osd_free_seg(or, &or->set_attr);
_osd_free_seg(or, &or->enc_get_attr);
_osd_free_seg(or, &or->get_attr);
if (rq) {
if (rq->next_rq) {
_abort_unexecuted_bios(rq->next_rq);
@ -176,6 +239,54 @@ int osd_execute_request_async(struct osd_request *or,
}
EXPORT_SYMBOL(osd_execute_request_async);
u8 sg_out_pad_buffer[1 << OSDv1_OFFSET_MIN_SHIFT];
u8 sg_in_pad_buffer[1 << OSDv1_OFFSET_MIN_SHIFT];
static int _osd_realloc_seg(struct osd_request *or,
struct _osd_req_data_segment *seg, unsigned max_bytes)
{
void *buff;
if (seg->alloc_size >= max_bytes)
return 0;
buff = krealloc(seg->buff, max_bytes, or->alloc_flags);
if (!buff) {
OSD_ERR("Failed to Realloc %d-bytes was-%d\n", max_bytes,
seg->alloc_size);
return -ENOMEM;
}
memset(buff + seg->alloc_size, 0, max_bytes - seg->alloc_size);
seg->buff = buff;
seg->alloc_size = max_bytes;
return 0;
}
static int _alloc_set_attr_list(struct osd_request *or,
const struct osd_attr *oa, unsigned nelem, unsigned add_bytes)
{
unsigned total_bytes = add_bytes;
for (; nelem; --nelem, ++oa)
total_bytes += _osd_req_alist_elem_size(or, oa->len);
OSD_DEBUG("total_bytes=%d\n", total_bytes);
return _osd_realloc_seg(or, &or->set_attr, total_bytes);
}
static int _alloc_get_attr_desc(struct osd_request *or, unsigned max_bytes)
{
OSD_DEBUG("total_bytes=%d\n", max_bytes);
return _osd_realloc_seg(or, &or->enc_get_attr, max_bytes);
}
static int _alloc_get_attr_list(struct osd_request *or)
{
OSD_DEBUG("total_bytes=%d\n", or->get_attr.total_bytes);
return _osd_realloc_seg(or, &or->get_attr, or->get_attr.total_bytes);
}
/*
* Common to all OSD commands
*/
@ -284,6 +395,410 @@ void osd_req_read(struct osd_request *or,
}
EXPORT_SYMBOL(osd_req_read);
void osd_req_get_attributes(struct osd_request *or,
const struct osd_obj_id *obj)
{
_osd_req_encode_common(or, OSD_ACT_GET_ATTRIBUTES, obj, 0, 0);
}
EXPORT_SYMBOL(osd_req_get_attributes);
void osd_req_set_attributes(struct osd_request *or,
const struct osd_obj_id *obj)
{
_osd_req_encode_common(or, OSD_ACT_SET_ATTRIBUTES, obj, 0, 0);
}
EXPORT_SYMBOL(osd_req_set_attributes);
/*
* Attributes List-mode
*/
int osd_req_add_set_attr_list(struct osd_request *or,
const struct osd_attr *oa, unsigned nelem)
{
unsigned total_bytes = or->set_attr.total_bytes;
void *attr_last;
int ret;
if (or->attributes_mode &&
or->attributes_mode != OSD_CDB_GET_SET_ATTR_LISTS) {
WARN_ON(1);
return -EINVAL;
}
or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS;
if (!total_bytes) { /* first-time: allocate and put list header */
total_bytes = _osd_req_sizeof_alist_header(or);
ret = _alloc_set_attr_list(or, oa, nelem, total_bytes);
if (ret)
return ret;
_osd_req_set_alist_type(or, or->set_attr.buff,
OSD_ATTR_LIST_SET_RETRIEVE);
}
attr_last = or->set_attr.buff + total_bytes;
for (; nelem; --nelem) {
struct osd_attributes_list_element *attr;
unsigned elem_size = _osd_req_alist_elem_size(or, oa->len);
total_bytes += elem_size;
if (unlikely(or->set_attr.alloc_size < total_bytes)) {
or->set_attr.total_bytes = total_bytes - elem_size;
ret = _alloc_set_attr_list(or, oa, nelem, total_bytes);
if (ret)
return ret;
attr_last =
or->set_attr.buff + or->set_attr.total_bytes;
}
attr = attr_last;
attr->attr_page = cpu_to_be32(oa->attr_page);
attr->attr_id = cpu_to_be32(oa->attr_id);
attr->attr_bytes = cpu_to_be16(oa->len);
memcpy(attr->attr_val, oa->val_ptr, oa->len);
attr_last += elem_size;
++oa;
}
or->set_attr.total_bytes = total_bytes;
return 0;
}
EXPORT_SYMBOL(osd_req_add_set_attr_list);
static int _append_map_kern(struct request *req,
void *buff, unsigned len, gfp_t flags)
{
struct bio *bio;
int ret;
bio = bio_map_kern(req->q, buff, len, flags);
if (IS_ERR(bio)) {
OSD_ERR("Failed bio_map_kern(%p, %d) => %ld\n", buff, len,
PTR_ERR(bio));
return PTR_ERR(bio);
}
ret = blk_rq_append_bio(req->q, req, bio);
if (ret) {
OSD_ERR("Failed blk_rq_append_bio(%p) => %d\n", bio, ret);
bio_put(bio);
}
return ret;
}
static int _req_append_segment(struct osd_request *or,
unsigned padding, struct _osd_req_data_segment *seg,
struct _osd_req_data_segment *last_seg, struct _osd_io_info *io)
{
void *pad_buff;
int ret;
if (padding) {
/* check if we can just add it to last buffer */
if (last_seg &&
(padding <= last_seg->alloc_size - last_seg->total_bytes))
pad_buff = last_seg->buff + last_seg->total_bytes;
else
pad_buff = io->pad_buff;
ret = _append_map_kern(io->req, pad_buff, padding,
or->alloc_flags);
if (ret)
return ret;
io->total_bytes += padding;
}
ret = _append_map_kern(io->req, seg->buff, seg->total_bytes,
or->alloc_flags);
if (ret)
return ret;
io->total_bytes += seg->total_bytes;
OSD_DEBUG("padding=%d buff=%p total_bytes=%d\n", padding, seg->buff,
seg->total_bytes);
return 0;
}
static int _osd_req_finalize_set_attr_list(struct osd_request *or)
{
struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb);
unsigned padding;
int ret;
if (!or->set_attr.total_bytes) {
cdbh->attrs_list.set_attr_offset = OSD_OFFSET_UNUSED;
return 0;
}
cdbh->attrs_list.set_attr_bytes = cpu_to_be32(or->set_attr.total_bytes);
cdbh->attrs_list.set_attr_offset =
osd_req_encode_offset(or, or->out.total_bytes, &padding);
ret = _req_append_segment(or, padding, &or->set_attr,
or->out.last_seg, &or->out);
if (ret)
return ret;
or->out.last_seg = &or->set_attr;
return 0;
}
int osd_req_add_get_attr_list(struct osd_request *or,
const struct osd_attr *oa, unsigned nelem)
{
unsigned total_bytes = or->enc_get_attr.total_bytes;
void *attr_last;
int ret;
if (or->attributes_mode &&
or->attributes_mode != OSD_CDB_GET_SET_ATTR_LISTS) {
WARN_ON(1);
return -EINVAL;
}
or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS;
/* first time calc data-in list header size */
if (!or->get_attr.total_bytes)
or->get_attr.total_bytes = _osd_req_sizeof_alist_header(or);
/* calc data-out info */
if (!total_bytes) { /* first-time: allocate and put list header */
unsigned max_bytes;
total_bytes = _osd_req_sizeof_alist_header(or);
max_bytes = total_bytes +
nelem * sizeof(struct osd_attributes_list_attrid);
ret = _alloc_get_attr_desc(or, max_bytes);
if (ret)
return ret;
_osd_req_set_alist_type(or, or->enc_get_attr.buff,
OSD_ATTR_LIST_GET);
}
attr_last = or->enc_get_attr.buff + total_bytes;
for (; nelem; --nelem) {
struct osd_attributes_list_attrid *attrid;
const unsigned cur_size = sizeof(*attrid);
total_bytes += cur_size;
if (unlikely(or->enc_get_attr.alloc_size < total_bytes)) {
or->enc_get_attr.total_bytes = total_bytes - cur_size;
ret = _alloc_get_attr_desc(or,
total_bytes + nelem * sizeof(*attrid));
if (ret)
return ret;
attr_last = or->enc_get_attr.buff +
or->enc_get_attr.total_bytes;
}
attrid = attr_last;
attrid->attr_page = cpu_to_be32(oa->attr_page);
attrid->attr_id = cpu_to_be32(oa->attr_id);
attr_last += cur_size;
/* calc data-in size */
or->get_attr.total_bytes +=
_osd_req_alist_elem_size(or, oa->len);
++oa;
}
or->enc_get_attr.total_bytes = total_bytes;
OSD_DEBUG(
"get_attr.total_bytes=%u(%u) enc_get_attr.total_bytes=%u(%Zu)\n",
or->get_attr.total_bytes,
or->get_attr.total_bytes - _osd_req_sizeof_alist_header(or),
or->enc_get_attr.total_bytes,
(or->enc_get_attr.total_bytes - _osd_req_sizeof_alist_header(or))
/ sizeof(struct osd_attributes_list_attrid));
return 0;
}
EXPORT_SYMBOL(osd_req_add_get_attr_list);
static int _osd_req_finalize_get_attr_list(struct osd_request *or)
{
struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb);
unsigned out_padding;
unsigned in_padding;
int ret;
if (!or->enc_get_attr.total_bytes) {
cdbh->attrs_list.get_attr_desc_offset = OSD_OFFSET_UNUSED;
cdbh->attrs_list.get_attr_offset = OSD_OFFSET_UNUSED;
return 0;
}
ret = _alloc_get_attr_list(or);
if (ret)
return ret;
/* The out-going buffer info update */
OSD_DEBUG("out-going\n");
cdbh->attrs_list.get_attr_desc_bytes =
cpu_to_be32(or->enc_get_attr.total_bytes);
cdbh->attrs_list.get_attr_desc_offset =
osd_req_encode_offset(or, or->out.total_bytes, &out_padding);
ret = _req_append_segment(or, out_padding, &or->enc_get_attr,
or->out.last_seg, &or->out);
if (ret)
return ret;
or->out.last_seg = &or->enc_get_attr;
/* The incoming buffer info update */
OSD_DEBUG("in-coming\n");
cdbh->attrs_list.get_attr_alloc_length =
cpu_to_be32(or->get_attr.total_bytes);
cdbh->attrs_list.get_attr_offset =
osd_req_encode_offset(or, or->in.total_bytes, &in_padding);
ret = _req_append_segment(or, in_padding, &or->get_attr, NULL,
&or->in);
if (ret)
return ret;
or->in.last_seg = &or->get_attr;
return 0;
}
int osd_req_decode_get_attr_list(struct osd_request *or,
struct osd_attr *oa, int *nelem, void **iterator)
{
unsigned cur_bytes, returned_bytes;
int n;
const unsigned sizeof_attr_list = _osd_req_sizeof_alist_header(or);
void *cur_p;
if (!_osd_req_is_alist_type(or, or->get_attr.buff,
OSD_ATTR_LIST_SET_RETRIEVE)) {
oa->attr_page = 0;
oa->attr_id = 0;
oa->val_ptr = NULL;
oa->len = 0;
*iterator = NULL;
return 0;
}
if (*iterator) {
BUG_ON((*iterator < or->get_attr.buff) ||
(or->get_attr.buff + or->get_attr.alloc_size < *iterator));
cur_p = *iterator;
cur_bytes = (*iterator - or->get_attr.buff) - sizeof_attr_list;
returned_bytes = or->get_attr.total_bytes;
} else { /* first time decode the list header */
cur_bytes = sizeof_attr_list;
returned_bytes = _osd_req_alist_size(or, or->get_attr.buff) +
sizeof_attr_list;
cur_p = or->get_attr.buff + sizeof_attr_list;
if (returned_bytes > or->get_attr.alloc_size) {
OSD_DEBUG("target report: space was not big enough! "
"Allocate=%u Needed=%u\n",
or->get_attr.alloc_size,
returned_bytes + sizeof_attr_list);
returned_bytes =
or->get_attr.alloc_size - sizeof_attr_list;
}
or->get_attr.total_bytes = returned_bytes;
}
for (n = 0; (n < *nelem) && (cur_bytes < returned_bytes); ++n) {
struct osd_attributes_list_element *attr = cur_p;
unsigned inc;
oa->len = be16_to_cpu(attr->attr_bytes);
inc = _osd_req_alist_elem_size(or, oa->len);
OSD_DEBUG("oa->len=%d inc=%d cur_bytes=%d\n",
oa->len, inc, cur_bytes);
cur_bytes += inc;
if (cur_bytes > returned_bytes) {
OSD_ERR("BAD FOOD from target. list not valid!"
"c=%d r=%d n=%d\n",
cur_bytes, returned_bytes, n);
oa->val_ptr = NULL;
break;
}
oa->attr_page = be32_to_cpu(attr->attr_page);
oa->attr_id = be32_to_cpu(attr->attr_id);
oa->val_ptr = attr->attr_val;
cur_p += inc;
++oa;
}
*iterator = (returned_bytes - cur_bytes) ? cur_p : NULL;
*nelem = n;
return returned_bytes - cur_bytes;
}
EXPORT_SYMBOL(osd_req_decode_get_attr_list);
/*
* Attributes Page-mode
*/
int osd_req_add_get_attr_page(struct osd_request *or,
u32 page_id, void *attar_page, unsigned max_page_len,
const struct osd_attr *set_one_attr)
{
struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb);
if (or->attributes_mode &&
or->attributes_mode != OSD_CDB_GET_ATTR_PAGE_SET_ONE) {
WARN_ON(1);
return -EINVAL;
}
or->attributes_mode = OSD_CDB_GET_ATTR_PAGE_SET_ONE;
or->get_attr.buff = attar_page;
or->get_attr.total_bytes = max_page_len;
or->set_attr.buff = set_one_attr->val_ptr;
or->set_attr.total_bytes = set_one_attr->len;
cdbh->attrs_page.get_attr_page = cpu_to_be32(page_id);
cdbh->attrs_page.get_attr_alloc_length = cpu_to_be32(max_page_len);
/* ocdb->attrs_page.get_attr_offset; */
cdbh->attrs_page.set_attr_page = cpu_to_be32(set_one_attr->attr_page);
cdbh->attrs_page.set_attr_id = cpu_to_be32(set_one_attr->attr_id);
cdbh->attrs_page.set_attr_length = cpu_to_be32(set_one_attr->len);
/* ocdb->attrs_page.set_attr_offset; */
return 0;
}
EXPORT_SYMBOL(osd_req_add_get_attr_page);
static int _osd_req_finalize_attr_page(struct osd_request *or)
{
struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb);
unsigned in_padding, out_padding;
int ret;
/* returned page */
cdbh->attrs_page.get_attr_offset =
osd_req_encode_offset(or, or->in.total_bytes, &in_padding);
ret = _req_append_segment(or, in_padding, &or->get_attr, NULL,
&or->in);
if (ret)
return ret;
/* set one value */
cdbh->attrs_page.set_attr_offset =
osd_req_encode_offset(or, or->out.total_bytes, &out_padding);
ret = _req_append_segment(or, out_padding, &or->enc_get_attr, NULL,
&or->out);
return ret;
}
/*
* osd_finalize_request and helpers
*/
@ -378,9 +893,31 @@ int osd_finalize_request(struct osd_request *or,
_LLU(or->in.total_bytes), or->in.req->data_len);
}
or->out.pad_buff = sg_out_pad_buffer;
or->in.pad_buff = sg_in_pad_buffer;
if (!or->attributes_mode)
or->attributes_mode = OSD_CDB_GET_SET_ATTR_LISTS;
cdbh->command_specific_options |= or->attributes_mode;
if (or->attributes_mode == OSD_CDB_GET_ATTR_PAGE_SET_ONE) {
ret = _osd_req_finalize_attr_page(or);
} else {
/* TODO: I think that for the GET_ATTR command these 2 should
* be reversed to keep them in execution order (for embeded
* targets with low memory footprint)
*/
ret = _osd_req_finalize_set_attr_list(or);
if (ret) {
OSD_DEBUG("_osd_req_finalize_set_attr_list failed\n");
return ret;
}
ret = _osd_req_finalize_get_attr_list(or);
if (ret) {
OSD_DEBUG("_osd_req_finalize_get_attr_list failed\n");
return ret;
}
}
or->request->cmd = or->cdb.buff;
or->request->cmd_len = _osd_req_cdb_len(or);
@ -446,3 +983,45 @@ void osd_set_caps(struct osd_cdb *cdb, const void *caps)
{
memcpy(&cdb->v1.caps, caps, OSDv1_CAP_LEN);
}
/*
* Declared in osd_protocol.h
* 4.12.5 Data-In and Data-Out buffer offsets
* byte offset = mantissa * (2^(exponent+8))
* Returns the smallest allowed encoded offset that contains given @offset
* The actual encoded offset returned is @offset + *@padding.
*/
osd_cdb_offset __osd_encode_offset(
u64 offset, unsigned *padding, int min_shift, int max_shift)
{
u64 try_offset = -1, mod, align;
osd_cdb_offset be32_offset;
int shift;
*padding = 0;
if (!offset)
return 0;
for (shift = min_shift; shift < max_shift; ++shift) {
try_offset = offset >> shift;
if (try_offset < (1 << OSD_OFFSET_MAX_BITS))
break;
}
BUG_ON(shift == max_shift);
align = 1 << shift;
mod = offset & (align - 1);
if (mod) {
*padding = align - mod;
try_offset += 1;
}
try_offset |= ((shift - 8) & 0xf) << 28;
be32_offset = cpu_to_be32((u32)try_offset);
OSD_DEBUG("offset=%llu mantissa=%llu exp=%d encoded=%x pad=%d\n",
_LLU(offset), _LLU(try_offset & 0x0FFFFFFF), shift,
be32_offset, *padding);
return be32_offset;
}

327
include/scsi/osd_attributes.h Normal file
View file

@ -0,0 +1,327 @@
#ifndef __OSD_ATTRIBUTES_H__
#define __OSD_ATTRIBUTES_H__
#include "osd_protocol.h"
/*
* Contains types and constants that define attribute pages and attribute
* numbers and their data types.
*/
#define ATTR_SET(pg, id, l, ptr) \
{ .attr_page = pg, .attr_id = id, .len = l, .val_ptr = ptr }
#define ATTR_DEF(pg, id, l) ATTR_SET(pg, id, l, NULL)
/* osd-r10 4.7.3 Attributes pages */
enum {
OSD_APAGE_OBJECT_FIRST = 0x0,
OSD_APAGE_OBJECT_DIRECTORY = 0,
OSD_APAGE_OBJECT_INFORMATION = 1,
OSD_APAGE_OBJECT_QUOTAS = 2,
OSD_APAGE_OBJECT_TIMESTAMP = 3,
OSD_APAGE_OBJECT_COLLECTIONS = 4,
OSD_APAGE_OBJECT_SECURITY = 5,
OSD_APAGE_OBJECT_LAST = 0x2fffffff,
OSD_APAGE_PARTITION_FIRST = 0x30000000,
OSD_APAGE_PARTITION_DIRECTORY = OSD_APAGE_PARTITION_FIRST + 0,
OSD_APAGE_PARTITION_INFORMATION = OSD_APAGE_PARTITION_FIRST + 1,
OSD_APAGE_PARTITION_QUOTAS = OSD_APAGE_PARTITION_FIRST + 2,
OSD_APAGE_PARTITION_TIMESTAMP = OSD_APAGE_PARTITION_FIRST + 3,
OSD_APAGE_PARTITION_SECURITY = OSD_APAGE_PARTITION_FIRST + 5,
OSD_APAGE_PARTITION_LAST = 0x5FFFFFFF,
OSD_APAGE_COLLECTION_FIRST = 0x60000000,
OSD_APAGE_COLLECTION_DIRECTORY = OSD_APAGE_COLLECTION_FIRST + 0,
OSD_APAGE_COLLECTION_INFORMATION = OSD_APAGE_COLLECTION_FIRST + 1,
OSD_APAGE_COLLECTION_TIMESTAMP = OSD_APAGE_COLLECTION_FIRST + 3,
OSD_APAGE_COLLECTION_SECURITY = OSD_APAGE_COLLECTION_FIRST + 5,
OSD_APAGE_COLLECTION_LAST = 0x8FFFFFFF,
OSD_APAGE_ROOT_FIRST = 0x90000000,
OSD_APAGE_ROOT_DIRECTORY = OSD_APAGE_ROOT_FIRST + 0,
OSD_APAGE_ROOT_INFORMATION = OSD_APAGE_ROOT_FIRST + 1,
OSD_APAGE_ROOT_QUOTAS = OSD_APAGE_ROOT_FIRST + 2,
OSD_APAGE_ROOT_TIMESTAMP = OSD_APAGE_ROOT_FIRST + 3,
OSD_APAGE_ROOT_SECURITY = OSD_APAGE_ROOT_FIRST + 5,
OSD_APAGE_ROOT_LAST = 0xBFFFFFFF,
OSD_APAGE_RESERVED_TYPE_FIRST = 0xC0000000,
OSD_APAGE_RESERVED_TYPE_LAST = 0xEFFFFFFF,
OSD_APAGE_COMMON_FIRST = 0xF0000000,
OSD_APAGE_COMMON_LAST = 0xFFFFFFFE,
OSD_APAGE_REQUEST_ALL = 0xFFFFFFFF,
};
/* subcategories of attr pages within each range above */
enum {
OSD_APAGE_STD_FIRST = 0x0,
OSD_APAGE_STD_DIRECTORY = 0,
OSD_APAGE_STD_INFORMATION = 1,
OSD_APAGE_STD_QUOTAS = 2,
OSD_APAGE_STD_TIMESTAMP = 3,
OSD_APAGE_STD_COLLECTIONS = 4,
OSD_APAGE_STD_POLICY_SECURITY = 5,
OSD_APAGE_STD_LAST = 0x0000007F,
OSD_APAGE_RESERVED_FIRST = 0x00000080,
OSD_APAGE_RESERVED_LAST = 0x00007FFF,
OSD_APAGE_OTHER_STD_FIRST = 0x00008000,
OSD_APAGE_OTHER_STD_LAST = 0x0000EFFF,
OSD_APAGE_PUBLIC_FIRST = 0x0000F000,
OSD_APAGE_PUBLIC_LAST = 0x0000FFFF,
OSD_APAGE_APP_DEFINED_FIRST = 0x00010000,
OSD_APAGE_APP_DEFINED_LAST = 0x1FFFFFFF,
OSD_APAGE_VENDOR_SPECIFIC_FIRST = 0x20000000,
OSD_APAGE_VENDOR_SPECIFIC_LAST = 0x2FFFFFFF,
};
enum {
OSD_ATTR_PAGE_IDENTIFICATION = 0, /* in all pages 40 bytes */
};
struct page_identification {
u8 vendor_identification[8];
u8 page_identification[32];
} __packed;
struct osd_attr_page_header {
__be32 page_number;
__be32 page_length;
} __packed;
/* 7.1.2.8 Root Information attributes page (OSD_APAGE_ROOT_INFORMATION) */
enum {
OSD_ATTR_RI_OSD_SYSTEM_ID = 0x3, /* 20 */
OSD_ATTR_RI_VENDOR_IDENTIFICATION = 0x4, /* 8 */
OSD_ATTR_RI_PRODUCT_IDENTIFICATION = 0x5, /* 16 */
OSD_ATTR_RI_PRODUCT_MODEL = 0x6, /* 32 */
OSD_ATTR_RI_PRODUCT_REVISION_LEVEL = 0x7, /* 4 */
OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER = 0x8, /* variable */
OSD_ATTR_RI_OSD_NAME = 0x9, /* variable */
OSD_ATTR_RI_TOTAL_CAPACITY = 0x80, /* 8 */
OSD_ATTR_RI_USED_CAPACITY = 0x81, /* 8 */
OSD_ATTR_RI_NUMBER_OF_PARTITIONS = 0xC0, /* 8 */
OSD_ATTR_RI_CLOCK = 0x100, /* 6 */
};
/* Root_Information_attributes_page does not have a get_page structure */
/* 7.1.2.9 Partition Information attributes page
* (OSD_APAGE_PARTITION_INFORMATION)
*/
enum {
OSD_ATTR_PI_PARTITION_ID = 0x1, /* 8 */
OSD_ATTR_PI_USERNAME = 0x9, /* variable */
OSD_ATTR_PI_USED_CAPACITY = 0x81, /* 8 */
OSD_ATTR_PI_NUMBER_OF_OBJECTS = 0xC1, /* 8 */
};
/* Partition Information attributes page does not have a get_page structure */
/* 7.1.2.10 Collection Information attributes page
* (OSD_APAGE_COLLECTION_INFORMATION)
*/
enum {
OSD_ATTR_CI_PARTITION_ID = 0x1, /* 8 */
OSD_ATTR_CI_COLLECTION_OBJECT_ID = 0x2, /* 8 */
OSD_ATTR_CI_USERNAME = 0x9, /* variable */
OSD_ATTR_CI_USED_CAPACITY = 0x81, /* 8 */
};
/* Collection Information attributes page does not have a get_page structure */
/* 7.1.2.11 User Object Information attributes page
* (OSD_APAGE_OBJECT_INFORMATION)
*/
enum {
OSD_ATTR_OI_PARTITION_ID = 0x1, /* 8 */
OSD_ATTR_OI_OBJECT_ID = 0x2, /* 8 */
OSD_ATTR_OI_USERNAME = 0x9, /* variable */
OSD_ATTR_OI_USED_CAPACITY = 0x81, /* 8 */
OSD_ATTR_OI_LOGICAL_LENGTH = 0x82, /* 8 */
};
/* Object Information attributes page does not have a get_page structure */
/* 7.1.2.12 Root Quotas attributes page (OSD_APAGE_ROOT_QUOTAS) */
enum {
OSD_ATTR_RQ_DEFAULT_MAXIMUM_USER_OBJECT_LENGTH = 0x1, /* 8 */
OSD_ATTR_RQ_PARTITION_CAPACITY_QUOTA = 0x10001, /* 8 */
OSD_ATTR_RQ_PARTITION_OBJECT_COUNT = 0x10002, /* 8 */
OSD_ATTR_RQ_PARTITION_COLLECTIONS_PER_USER_OBJECT = 0x10081, /* 4 */
OSD_ATTR_RQ_PARTITION_COUNT = 0x20002, /* 8 */
};
struct Root_Quotas_attributes_page {
struct osd_attr_page_header hdr; /* id=R+2, size=0x24 */
__be64 default_maximum_user_object_length;
__be64 partition_capacity_quota;
__be64 partition_object_count;
__be64 partition_collections_per_user_object;
__be64 partition_count;
} __packed;
/* 7.1.2.13 Partition Quotas attributes page (OSD_APAGE_PARTITION_QUOTAS)*/
enum {
OSD_ATTR_PQ_DEFAULT_MAXIMUM_USER_OBJECT_LENGTH = 0x1, /* 8 */
OSD_ATTR_PQ_CAPACITY_QUOTA = 0x10001, /* 8 */
OSD_ATTR_PQ_OBJECT_COUNT = 0x10002, /* 8 */
OSD_ATTR_PQ_COLLECTIONS_PER_USER_OBJECT = 0x10081, /* 4 */
};
struct Partition_Quotas_attributes_page {
struct osd_attr_page_header hdr; /* id=P+2, size=0x1C */
__be64 default_maximum_user_object_length;
__be64 capacity_quota;
__be64 object_count;
__be64 collections_per_user_object;
} __packed;
/* 7.1.2.14 User Object Quotas attributes page (OSD_APAGE_OBJECT_QUOTAS) */
enum {
OSD_ATTR_OQ_MAXIMUM_LENGTH = 0x1, /* 8 */
};
struct Object_Quotas_attributes_page {
struct osd_attr_page_header hdr; /* id=U+2, size=0x8 */
__be64 maximum_length;
} __packed;
/* 7.1.2.15 Root Timestamps attributes page (OSD_APAGE_ROOT_TIMESTAMP) */
enum {
OSD_ATTR_RT_ATTRIBUTES_ACCESSED_TIME = 0x2, /* 6 */
OSD_ATTR_RT_ATTRIBUTES_MODIFIED_TIME = 0x3, /* 6 */
OSD_ATTR_RT_TIMESTAMP_BYPASS = 0xFFFFFFFE, /* 1 */
};
struct root_timestamps_attributes_page {
struct osd_attr_page_header hdr; /* id=R+3, size=0xD */
struct osd_timestamp attributes_accessed_time;
struct osd_timestamp attributes_modified_time;
u8 timestamp_bypass;
} __packed;
/* 7.1.2.16 Partition Timestamps attributes page
* (OSD_APAGE_PARTITION_TIMESTAMP)
*/
enum {
OSD_ATTR_PT_CREATED_TIME = 0x1, /* 6 */
OSD_ATTR_PT_ATTRIBUTES_ACCESSED_TIME = 0x2, /* 6 */
OSD_ATTR_PT_ATTRIBUTES_MODIFIED_TIME = 0x3, /* 6 */
OSD_ATTR_PT_DATA_ACCESSED_TIME = 0x4, /* 6 */
OSD_ATTR_PT_DATA_MODIFIED_TIME = 0x5, /* 6 */
OSD_ATTR_PT_TIMESTAMP_BYPASS = 0xFFFFFFFE, /* 1 */
};
struct partition_timestamps_attributes_page {
struct osd_attr_page_header hdr; /* id=P+3, size=0x1F */
struct osd_timestamp created_time;
struct osd_timestamp attributes_accessed_time;
struct osd_timestamp attributes_modified_time;
struct osd_timestamp data_accessed_time;
struct osd_timestamp data_modified_time;
u8 timestamp_bypass;
} __packed;
/* 7.1.2.17/18 Collection/Object Timestamps attributes page
* (OSD_APAGE_COLLECTION_TIMESTAMP/OSD_APAGE_OBJECT_TIMESTAMP)
*/
enum {
OSD_ATTR_OT_CREATED_TIME = 0x1, /* 6 */
OSD_ATTR_OT_ATTRIBUTES_ACCESSED_TIME = 0x2, /* 6 */
OSD_ATTR_OT_ATTRIBUTES_MODIFIED_TIME = 0x3, /* 6 */
OSD_ATTR_OT_DATA_ACCESSED_TIME = 0x4, /* 6 */
OSD_ATTR_OT_DATA_MODIFIED_TIME = 0x5, /* 6 */
};
/* same for collection */
struct object_timestamps_attributes_page {
struct osd_attr_page_header hdr; /* id=C+3/3, size=0x1E */
struct osd_timestamp created_time;
struct osd_timestamp attributes_accessed_time;
struct osd_timestamp attributes_modified_time;
struct osd_timestamp data_accessed_time;
struct osd_timestamp data_modified_time;
} __packed;
/* 7.1.2.19 Collections attributes page */
/* TBD */
/* 7.1.2.20 Root Policy/Security attributes page (OSD_APAGE_ROOT_SECURITY) */
enum {
OSD_ATTR_RS_DEFAULT_SECURITY_METHOD = 0x1, /* 1 */
OSD_ATTR_RS_OLDEST_VALID_NONCE_LIMIT = 0x2, /* 6 */
OSD_ATTR_RS_NEWEST_VALID_NONCE_LIMIT = 0x3, /* 6 */
OSD_ATTR_RS_PARTITION_DEFAULT_SECURITY_METHOD = 0x6, /* 1 */
OSD_ATTR_RS_SUPPORTED_SECURITY_METHODS = 0x7, /* 2 */
OSD_ATTR_RS_ADJUSTABLE_CLOCK = 0x9, /* 6 */
OSD_ATTR_RS_MASTER_KEY_IDENTIFIER = 0x7FFD, /* 0 or 7 */
OSD_ATTR_RS_ROOT_KEY_IDENTIFIER = 0x7FFE, /* 0 or 7 */
OSD_ATTR_RS_SUPPORTED_INTEGRITY_ALGORITHM_0 = 0x80000000,/* 1,(x16)*/
OSD_ATTR_RS_SUPPORTED_DH_GROUP_0 = 0x80000010,/* 1,(x16)*/
};
struct root_security_attributes_page {
struct osd_attr_page_header hdr; /* id=R+5, size=0x3F */
u8 default_security_method;
u8 partition_default_security_method;
__be16 supported_security_methods;
u8 mki_valid_rki_valid;
struct osd_timestamp oldest_valid_nonce_limit;
struct osd_timestamp newest_valid_nonce_limit;
struct osd_timestamp adjustable_clock;
u8 master_key_identifier[32-25];
u8 root_key_identifier[39-32];
u8 supported_integrity_algorithm[16];
u8 supported_dh_group[16];
} __packed;
/* 7.1.2.21 Partition Policy/Security attributes page
* (OSD_APAGE_PARTITION_SECURITY)
*/
enum {
OSD_ATTR_PS_DEFAULT_SECURITY_METHOD = 0x1, /* 1 */
OSD_ATTR_PS_OLDEST_VALID_NONCE = 0x2, /* 6 */
OSD_ATTR_PS_NEWEST_VALID_NONCE = 0x3, /* 6 */
OSD_ATTR_PS_REQUEST_NONCE_LIST_DEPTH = 0x4, /* 2 */
OSD_ATTR_PS_FROZEN_WORKING_KEY_BIT_MASK = 0x5, /* 2 */
OSD_ATTR_PS_PARTITION_KEY_IDENTIFIER = 0x7FFF, /* 0 or 7 */
OSD_ATTR_PS_WORKING_KEY_IDENTIFIER_FIRST = 0x8000, /* 0 or 7 */
OSD_ATTR_PS_WORKING_KEY_IDENTIFIER_LAST = 0x800F, /* 0 or 7 */
OSD_ATTR_PS_POLICY_ACCESS_TAG = 0x40000001, /* 4 */
OSD_ATTR_PS_USER_OBJECT_POLICY_ACCESS_TAG = 0x40000002, /* 4 */
};
struct partition_security_attributes_page {
struct osd_attr_page_header hdr; /* id=p+5, size=0x8f */
u8 reserved[3];
u8 default_security_method;
struct osd_timestamp oldest_valid_nonce;
struct osd_timestamp newest_valid_nonce;
__be16 request_nonce_list_depth;
__be16 frozen_working_key_bit_mask;
__be32 policy_access_tag;
__be32 user_object_policy_access_tag;
u8 pki_valid;
__be16 wki_00_0f_vld;
struct osd_key_identifier partition_key_identifier;
struct osd_key_identifier working_key_identifiers[16];
} __packed;
/* 7.1.2.22/23 Collection/Object Policy-Security attributes page
* (OSD_APAGE_COLLECTION_SECURITY/OSD_APAGE_OBJECT_SECURITY)
*/
enum {
OSD_ATTR_OS_POLICY_ACCESS_TAG = 0x40000001, /* 4 */
};
struct object_security_attributes_page {
struct osd_attr_page_header hdr; /* id=C+5/5, size=4 */
__be32 policy_access_tag;
} __packed;
#endif /*ndef __OSD_ATTRIBUTES_H__*/