static int exofs_read_kern(struct osd_dev *od, u8 *cred, struct osd_obj_id *obj,
u64 offset, void *p, unsigned length)
{
struct osd_request *or = osd_start_request(od, GFP_KERNEL);
/* struct osd_sense_info osi = {.key = 0};*/
int ret;
if (unlikely(!or)) {
EXOFS_DBGMSG("%s: osd_start_request failed.\n", __func__);
return -ENOMEM;
}
ret = osd_req_read_kern(or, obj, offset, p, length);
if (unlikely(ret)) {
EXOFS_DBGMSG("%s: osd_req_read_kern failed.\n", __func__);
goto out;
}
ret = osd_finalize_request(or, 0, cred, NULL);
if (unlikely(ret)) {
EXOFS_DBGMSG("Failed to osd_finalize_request() => %d\n", ret);
goto out;
}
ret = osd_execute_request(or);
if (unlikely(ret))
EXOFS_DBGMSG("osd_execute_request() => %d\n", ret);
/* osd_req_decode_sense(or, ret); */
out:
osd_end_request(or);
EXOFS_DBGMSG2("read_kern(0x%llx) offset=0x%llx "
"length=0x%llx dev=%p ret=>%d\n",
_LLU(obj->id), _LLU(offset), _LLU(length), od, ret);
return ret;
}
static int _osd_print_system_info(struct osd_dev *od, void *caps)
{
struct osd_request *or;
struct osd_attr get_attrs[] = {
ATTR_DEF_RI(OSD_ATTR_RI_VENDOR_IDENTIFICATION, 8),
ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_IDENTIFICATION, 16),
ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_MODEL, 32),
ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_REVISION_LEVEL, 4),
ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER, 64 /*variable*/),
ATTR_DEF_RI(OSD_ATTR_RI_OSD_NAME, 64 /*variable*/),
ATTR_DEF_RI(OSD_ATTR_RI_TOTAL_CAPACITY, 8),
ATTR_DEF_RI(OSD_ATTR_RI_USED_CAPACITY, 8),
ATTR_DEF_RI(OSD_ATTR_RI_NUMBER_OF_PARTITIONS, 8),
ATTR_DEF_RI(OSD_ATTR_RI_CLOCK, 6),
/* IBM-OSD-SIM Has a bug with this one put it last */
ATTR_DEF_RI(OSD_ATTR_RI_OSD_SYSTEM_ID, 20),
};
void *iter = NULL, *pFirst;
int nelem = ARRAY_SIZE(get_attrs), a = 0;
int ret;
or = osd_start_request(od, GFP_KERNEL);
if (!or)
return -ENOMEM;
/* get attrs */
osd_req_get_attributes(or, &osd_root_object);
osd_req_add_get_attr_list(or, get_attrs, ARRAY_SIZE(get_attrs));
ret = osd_finalize_request(or, 0, caps, NULL);
if (ret)
goto out;
ret = osd_execute_request(or);
if (ret) {
OSD_ERR("Failed to detect %s => %d\n", _osd_ver_desc(or), ret);
goto out;
}
osd_req_decode_get_attr_list(or, get_attrs, &nelem, &iter);
OSD_INFO("Detected %s device\n",
_osd_ver_desc(or));
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("VENDOR_IDENTIFICATION [%s]\n",
(char *)pFirst);
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("PRODUCT_IDENTIFICATION [%s]\n",
(char *)pFirst);
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("PRODUCT_MODEL [%s]\n",
(char *)pFirst);
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("PRODUCT_REVISION_LEVEL [%u]\n",
pFirst ? get_unaligned_be32(pFirst) : ~0U);
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("PRODUCT_SERIAL_NUMBER [%s]\n",
(char *)pFirst);
pFirst = get_attrs[a].val_ptr;
OSD_INFO("OSD_NAME [%s]\n", (char *)pFirst);
a++;
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("TOTAL_CAPACITY [0x%llx]\n",
pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL);
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("USED_CAPACITY [0x%llx]\n",
pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL);
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("NUMBER_OF_PARTITIONS [%llu]\n",
pFirst ? _LLU(get_unaligned_be64(pFirst)) : ~0ULL);
if (a >= nelem)
goto out;
/* FIXME: Where are the time utilities */
pFirst = get_attrs[a++].val_ptr;
OSD_INFO("CLOCK [0x%02x%02x%02x%02x%02x%02x]\n",
((char *)pFirst)[0], ((char *)pFirst)[1],
((char *)pFirst)[2], ((char *)pFirst)[3],
((char *)pFirst)[4], ((char *)pFirst)[5]);
if (a < nelem) { /* IBM-OSD-SIM bug, Might not have it */
unsigned len = get_attrs[a].len;
char sid_dump[32*4 + 2]; /* 2nibbles+space+ASCII */
hex_dump_to_buffer(get_attrs[a].val_ptr, len, 32, 1,
sid_dump, sizeof(sid_dump), true);
OSD_INFO("OSD_SYSTEM_ID(%d)\n"
" [%s]\n", len, sid_dump);
a++;
}
out:
osd_end_request(or);
return ret;
}