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path: root/drivers/scsi/osd
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Diffstat (limited to 'drivers/scsi/osd')
-rw-r--r--drivers/scsi/osd/osd_initiator.c94
1 files changed, 80 insertions, 14 deletions
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index 3fd021a57e5..86a76cccfeb 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -59,36 +59,50 @@ static inline void build_test(void)
{
/* structures were not packed */
BUILD_BUG_ON(sizeof(struct osd_capability) != OSD_CAP_LEN);
+ BUILD_BUG_ON(sizeof(struct osdv2_cdb) != OSD_TOTAL_CDB_LEN);
BUILD_BUG_ON(sizeof(struct osdv1_cdb) != OSDv1_TOTAL_CDB_LEN);
}
static unsigned _osd_req_cdb_len(struct osd_request *or)
{
- return OSDv1_TOTAL_CDB_LEN;
+ return osd_req_is_ver1(or) ? OSDv1_TOTAL_CDB_LEN : OSD_TOTAL_CDB_LEN;
}
static unsigned _osd_req_alist_elem_size(struct osd_request *or, unsigned len)
{
- return osdv1_attr_list_elem_size(len);
+ return osd_req_is_ver1(or) ?
+ osdv1_attr_list_elem_size(len) :
+ osdv2_attr_list_elem_size(len);
}
static unsigned _osd_req_alist_size(struct osd_request *or, void *list_head)
{
- return osdv1_list_size(list_head);
+ return osd_req_is_ver1(or) ?
+ osdv1_list_size(list_head) :
+ osdv2_list_size(list_head);
}
static unsigned _osd_req_sizeof_alist_header(struct osd_request *or)
{
- return sizeof(struct osdv1_attributes_list_header);
+ return osd_req_is_ver1(or) ?
+ sizeof(struct osdv1_attributes_list_header) :
+ sizeof(struct osdv2_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;
+ if (osd_req_is_ver1(or)) {
+ struct osdv1_attributes_list_header *attr_list = list;
+
+ memset(attr_list, 0, sizeof(*attr_list));
+ attr_list->type = list_type;
+ } else {
+ struct osdv2_attributes_list_header *attr_list = list;
- memset(attr_list, 0, sizeof(*attr_list));
- attr_list->type = list_type;
+ memset(attr_list, 0, sizeof(*attr_list));
+ attr_list->type = list_type;
+ }
}
static bool _osd_req_is_alist_type(struct osd_request *or,
@@ -97,10 +111,14 @@ static bool _osd_req_is_alist_type(struct osd_request *or,
if (!list)
return false;
- if (1) {
+ if (osd_req_is_ver1(or)) {
struct osdv1_attributes_list_header *attr_list = list;
return attr_list->type == list_type;
+ } else {
+ struct osdv2_attributes_list_header *attr_list = list;
+
+ return attr_list->type == list_type;
}
}
@@ -110,15 +128,22 @@ static void _osd_req_encode_olist(struct osd_request *or,
{
struct osd_cdb_head *cdbh = osd_cdb_head(&or->cdb);
- cdbh->v1.list_identifier = list->list_identifier;
- cdbh->v1.start_address = list->continuation_id;
+ if (osd_req_is_ver1(or)) {
+ cdbh->v1.list_identifier = list->list_identifier;
+ cdbh->v1.start_address = list->continuation_id;
+ } else {
+ cdbh->v2.list_identifier = list->list_identifier;
+ cdbh->v2.start_address = list->continuation_id;
+ }
}
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);
+ osd_req_is_ver1(or) ?
+ OSDv1_OFFSET_MIN_SHIFT : OSD_OFFSET_MIN_SHIFT,
+ OSD_OFFSET_MAX_SHIFT);
}
static struct osd_security_parameters *
@@ -126,7 +151,10 @@ _osd_req_sec_params(struct osd_request *or)
{
struct osd_cdb *ocdb = &or->cdb;
- return &ocdb->v1.sec_params;
+ if (osd_req_is_ver1(or))
+ return &ocdb->v1.sec_params;
+ else
+ return &ocdb->v2.sec_params;
}
void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device)
@@ -134,6 +162,9 @@ void osd_dev_init(struct osd_dev *osdd, struct scsi_device *scsi_device)
memset(osdd, 0, sizeof(*osdd));
osdd->scsi_device = scsi_device;
osdd->def_timeout = BLK_DEFAULT_SG_TIMEOUT;
+#ifdef OSD_VER1_SUPPORT
+ osdd->version = OSD_VER2;
+#endif
/* TODO: Allocate pools for osd_request attributes ... */
}
EXPORT_SYMBOL(osd_dev_init);
@@ -334,10 +365,30 @@ static void _osdv1_req_encode_common(struct osd_request *or,
ocdb->h.v1.start_address = cpu_to_be64(offset);
}
+static void _osdv2_req_encode_common(struct osd_request *or,
+ __be16 act, const struct osd_obj_id *obj, u64 offset, u64 len)
+{
+ struct osdv2_cdb *ocdb = &or->cdb.v2;
+
+ OSD_DEBUG("OSDv2 execute opcode 0x%x\n", be16_to_cpu(act));
+
+ ocdb->h.varlen_cdb.opcode = VARIABLE_LENGTH_CMD;
+ ocdb->h.varlen_cdb.additional_cdb_length = OSD_ADDITIONAL_CDB_LENGTH;
+ ocdb->h.varlen_cdb.service_action = act;
+
+ ocdb->h.partition = cpu_to_be64(obj->partition);
+ ocdb->h.object = cpu_to_be64(obj->id);
+ ocdb->h.v2.length = cpu_to_be64(len);
+ ocdb->h.v2.start_address = cpu_to_be64(offset);
+}
+
static void _osd_req_encode_common(struct osd_request *or,
__be16 act, const struct osd_obj_id *obj, u64 offset, u64 len)
{
- _osdv1_req_encode_common(or, act, obj, offset, len);
+ if (osd_req_is_ver1(or))
+ _osdv1_req_encode_common(or, act, obj, offset, len);
+ else
+ _osdv2_req_encode_common(or, act, obj, offset, len);
}
/*
@@ -546,6 +597,12 @@ void osd_req_flush_object(struct osd_request *or,
const struct osd_obj_id *obj, enum osd_options_flush_scope_values op,
/*V2*/ u64 offset, /*V2*/ u64 len)
{
+ if (unlikely(osd_req_is_ver1(or) && (offset || len))) {
+ OSD_DEBUG("OSD Ver1 flush on specific range ignored\n");
+ offset = 0;
+ len = 0;
+ }
+
_osd_req_encode_common(or, OSD_ACT_FLUSH, obj, offset, len);
_osd_req_encode_flush(or, op);
}
@@ -1169,6 +1226,10 @@ enum { OSD_SEC_CAP_V1_ALL_CAPS =
OSD_SEC_CAP_GLOBAL | OSD_SEC_CAP_DEV_MGMT
};
+enum { OSD_SEC_CAP_V2_ALL_CAPS =
+ OSD_SEC_CAP_V1_ALL_CAPS | OSD_SEC_CAP_QUERY | OSD_SEC_CAP_M_OBJECT
+};
+
void osd_sec_init_nosec_doall_caps(void *caps,
const struct osd_obj_id *obj, bool is_collection, const bool is_v1)
{
@@ -1210,9 +1271,14 @@ void osd_sec_init_nosec_doall_caps(void *caps,
}
EXPORT_SYMBOL(osd_sec_init_nosec_doall_caps);
+/* FIXME: Extract version from caps pointer.
+ * Also Pete's target only supports caps from OSDv1 for now
+ */
void osd_set_caps(struct osd_cdb *cdb, const void *caps)
{
- memcpy(&cdb->v1.caps, caps, OSDv1_CAP_LEN);
+ bool is_ver1 = true;
+ /* NOTE: They start at same address */
+ memcpy(&cdb->v1.caps, caps, is_ver1 ? OSDv1_CAP_LEN : OSD_CAP_LEN);
}
bool osd_is_sec_alldata(struct osd_security_parameters *sec_parms __unused)