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-rw-r--r--include/linux/bsg.h2
-rw-r--r--include/linux/if_ether.h1
-rw-r--r--include/linux/major.h1
-rw-r--r--include/linux/miscdevice.h1
-rw-r--r--include/linux/netdevice.h18
-rw-r--r--include/linux/skbuff.h2
-rw-r--r--include/scsi/fc/fc_fcoe.h7
-rw-r--r--include/scsi/fc_frame.h19
-rw-r--r--include/scsi/libfc.h31
-rw-r--r--include/scsi/libfcoe.h18
-rw-r--r--include/scsi/libiscsi.h19
-rw-r--r--include/scsi/osd_attributes.h327
-rw-r--r--include/scsi/osd_initiator.h433
-rw-r--r--include/scsi/osd_protocol.h579
-rw-r--r--include/scsi/osd_sec.h45
-rw-r--r--include/scsi/osd_sense.h260
-rw-r--r--include/scsi/osd_types.h40
-rw-r--r--include/scsi/scsi.h31
-rw-r--r--include/scsi/scsi_cmnd.h15
-rw-r--r--include/scsi/scsi_device.h10
-rw-r--r--include/scsi/scsi_transport_iscsi.h4
21 files changed, 1771 insertions, 92 deletions
diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index 3f0c64a..ecb4730 100644
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -1,6 +1,8 @@
#ifndef BSG_H
#define BSG_H
+#include <linux/types.h>
+
#define BSG_PROTOCOL_SCSI 0
#define BSG_SUB_PROTOCOL_SCSI_CMD 0
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 0216e1b..cfe4fe1 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -78,6 +78,7 @@
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#define ETH_P_AOE 0x88A2 /* ATA over Ethernet */
#define ETH_P_TIPC 0x88CA /* TIPC */
+#define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */
#define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */
/*
diff --git a/include/linux/major.h b/include/linux/major.h
index 8824945..058ec15 100644
--- a/include/linux/major.h
+++ b/include/linux/major.h
@@ -171,5 +171,6 @@
#define VIOTAPE_MAJOR 230
#define BLOCK_EXT_MAJOR 259
+#define SCSI_OSD_MAJOR 260 /* open-osd's OSD scsi device */
#endif
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index a820f81..beb6ec9 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -26,6 +26,7 @@
#define TUN_MINOR 200
#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
#define MPT_MINOR 220
+#define MPT2SAS_MINOR 221
#define HPET_MINOR 228
#define FUSE_MINOR 229
#define KVM_MINOR 232
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1b55952..2e7783f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -594,6 +594,14 @@ struct net_device_ops {
#define HAVE_NETDEV_POLL
void (*ndo_poll_controller)(struct net_device *dev);
#endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ int (*ndo_fcoe_ddp_setup)(struct net_device *dev,
+ u16 xid,
+ struct scatterlist *sgl,
+ unsigned int sgc);
+ int (*ndo_fcoe_ddp_done)(struct net_device *dev,
+ u16 xid);
+#endif
};
/*
@@ -662,14 +670,17 @@ struct net_device
#define NETIF_F_GRO 16384 /* Generic receive offload */
#define NETIF_F_LRO 32768 /* large receive offload */
+#define NETIF_F_FCOE_CRC (1 << 24) /* FCoE CRC32 */
+
/* Segmentation offload features */
#define NETIF_F_GSO_SHIFT 16
-#define NETIF_F_GSO_MASK 0xffff0000
+#define NETIF_F_GSO_MASK 0x00ff0000
#define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
#define NETIF_F_UFO (SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
#define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)
#define NETIF_F_TSO_ECN (SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)
#define NETIF_F_TSO6 (SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)
+#define NETIF_F_FSO (SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)
/* List of features with software fallbacks. */
#define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6)
@@ -852,6 +863,11 @@ struct net_device
struct dcbnl_rtnl_ops *dcbnl_ops;
#endif
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ /* max exchange id for FCoE LRO by ddp */
+ unsigned int fcoe_ddp_xid;
+#endif
+
#ifdef CONFIG_COMPAT_NET_DEV_OPS
struct {
int (*init)(struct net_device *dev);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bb1981f..55d6730 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -236,6 +236,8 @@ enum {
SKB_GSO_TCP_ECN = 1 << 3,
SKB_GSO_TCPV6 = 1 << 4,
+
+ SKB_GSO_FCOE = 1 << 5,
};
#if BITS_PER_LONG > 32
diff --git a/include/scsi/fc/fc_fcoe.h b/include/scsi/fc/fc_fcoe.h
index f271d9c..ccb3dbe 100644
--- a/include/scsi/fc/fc_fcoe.h
+++ b/include/scsi/fc/fc_fcoe.h
@@ -25,13 +25,6 @@
*/
/*
- * The FCoE ethertype eventually goes in net/if_ether.h.
- */
-#ifndef ETH_P_FCOE
-#define ETH_P_FCOE 0x8906 /* FCOE ether type */
-#endif
-
-/*
* FC_FCOE_OUI hasn't been standardized yet. XXX TBD.
*/
#ifndef FC_FCOE_OUI
diff --git a/include/scsi/fc_frame.h b/include/scsi/fc_frame.h
index 04d34a7..5951105 100644
--- a/include/scsi/fc_frame.h
+++ b/include/scsi/fc_frame.h
@@ -54,8 +54,7 @@
#define fr_eof(fp) (fr_cb(fp)->fr_eof)
#define fr_flags(fp) (fr_cb(fp)->fr_flags)
#define fr_max_payload(fp) (fr_cb(fp)->fr_max_payload)
-#define fr_cmd(fp) (fr_cb(fp)->fr_cmd)
-#define fr_dir(fp) (fr_cmd(fp)->sc_data_direction)
+#define fr_fsp(fp) (fr_cb(fp)->fr_fsp)
#define fr_crc(fp) (fr_cb(fp)->fr_crc)
struct fc_frame {
@@ -66,7 +65,7 @@ struct fcoe_rcv_info {
struct packet_type *ptype;
struct fc_lport *fr_dev; /* transport layer private pointer */
struct fc_seq *fr_seq; /* for use with exchange manager */
- struct scsi_cmnd *fr_cmd; /* for use of scsi command */
+ struct fc_fcp_pkt *fr_fsp; /* for the corresponding fcp I/O */
u32 fr_crc;
u16 fr_max_payload; /* max FC payload */
enum fc_sof fr_sof; /* start of frame delimiter */
@@ -218,20 +217,6 @@ static inline bool fc_frame_is_cmd(const struct fc_frame *fp)
return fc_frame_rctl(fp) == FC_RCTL_DD_UNSOL_CMD;
}
-static inline bool fc_frame_is_read(const struct fc_frame *fp)
-{
- if (fc_frame_is_cmd(fp) && fr_cmd(fp))
- return fr_dir(fp) == DMA_FROM_DEVICE;
- return false;
-}
-
-static inline bool fc_frame_is_write(const struct fc_frame *fp)
-{
- if (fc_frame_is_cmd(fp) && fr_cmd(fp))
- return fr_dir(fp) == DMA_TO_DEVICE;
- return false;
-}
-
/*
* Check for leaks.
* Print the frame header of any currently allocated frame, assuming there
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a2e126b..a70eafa 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -245,6 +245,7 @@ struct fc_fcp_pkt {
*/
struct fcp_cmnd cdb_cmd;
size_t xfer_len;
+ u16 xfer_ddp; /* this xfer is ddped */
u32 xfer_contig_end; /* offset of end of contiguous xfer */
u16 max_payload; /* max payload size in bytes */
@@ -267,6 +268,15 @@ struct fc_fcp_pkt {
u8 recov_retry; /* count of recovery retries */
struct fc_seq *recov_seq; /* sequence for REC or SRR */
};
+/*
+ * FC_FCP HELPER FUNCTIONS
+ *****************************/
+static inline bool fc_fcp_is_read(const struct fc_fcp_pkt *fsp)
+{
+ if (fsp && fsp->cmd)
+ return fsp->cmd->sc_data_direction == DMA_FROM_DEVICE;
+ return false;
+}
/*
* Structure and function definitions for managing Fibre Channel Exchanges
@@ -400,6 +410,21 @@ struct libfc_function_template {
void *arg, unsigned int timer_msec);
/*
+ * Sets up the DDP context for a given exchange id on the given
+ * scatterlist if LLD supports DDP for large receive.
+ *
+ * STATUS: OPTIONAL
+ */
+ int (*ddp_setup)(struct fc_lport *lp, u16 xid,
+ struct scatterlist *sgl, unsigned int sgc);
+ /*
+ * Completes the DDP transfer and returns the length of data DDPed
+ * for the given exchange id.
+ *
+ * STATUS: OPTIONAL
+ */
+ int (*ddp_done)(struct fc_lport *lp, u16 xid);
+ /*
* Send a frame using an existing sequence and exchange.
*
* STATUS: OPTIONAL
@@ -654,6 +679,7 @@ struct fc_lport {
u16 link_speed;
u16 link_supported_speeds;
u16 lro_xid; /* max xid for fcoe lro */
+ unsigned int lso_max; /* max large send size */
struct fc_ns_fts fcts; /* FC-4 type masks */
struct fc_els_rnid_gen rnid_gen; /* RNID information */
@@ -821,6 +847,11 @@ int fc_change_queue_type(struct scsi_device *sdev, int tag_type);
void fc_fcp_destroy(struct fc_lport *);
/*
+ * Set up direct-data placement for this I/O request
+ */
+void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid);
+
+/*
* ELS/CT interface
*****************************/
/*
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 941818f..c41f7d0 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -124,24 +124,6 @@ static inline u16 skb_fc_rxid(const struct sk_buff *skb)
return be16_to_cpu(skb_fc_header(skb)->fh_rx_id);
}
-/* FIXME - DMA_BIDIRECTIONAL ? */
-#define skb_cb(skb) ((struct fcoe_rcv_info *)&((skb)->cb[0]))
-#define skb_cmd(skb) (skb_cb(skb)->fr_cmd)
-#define skb_dir(skb) (skb_cmd(skb)->sc_data_direction)
-static inline bool skb_fc_is_read(const struct sk_buff *skb)
-{
- if (skb_fc_is_cmd(skb) && skb_cmd(skb))
- return skb_dir(skb) == DMA_FROM_DEVICE;
- return false;
-}
-
-static inline bool skb_fc_is_write(const struct sk_buff *skb)
-{
- if (skb_fc_is_cmd(skb) && skb_cmd(skb))
- return skb_dir(skb) == DMA_TO_DEVICE;
- return false;
-}
-
/* libfcoe funcs */
int fcoe_reset(struct Scsi_Host *shost);
u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN],
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7360e19..7ffaed2 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -45,18 +45,10 @@ struct iscsi_session;
struct iscsi_nopin;
struct device;
-/* #define DEBUG_SCSI */
-#ifdef DEBUG_SCSI
-#define debug_scsi(fmt...) printk(KERN_INFO "iscsi: " fmt)
-#else
-#define debug_scsi(fmt...)
-#endif
-
#define ISCSI_DEF_XMIT_CMDS_MAX 128 /* must be power of 2 */
#define ISCSI_MGMT_CMDS_MAX 15
-#define ISCSI_DEF_CMD_PER_LUN 32
-#define ISCSI_MAX_CMD_PER_LUN 128
+#define ISCSI_DEF_CMD_PER_LUN 32
/* Task Mgmt states */
enum {
@@ -326,6 +318,9 @@ struct iscsi_host {
spinlock_t lock;
int num_sessions;
int state;
+
+ struct workqueue_struct *workq;
+ char workq_name[20];
};
/*
@@ -351,7 +346,8 @@ extern int iscsi_host_get_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf);
extern int iscsi_host_add(struct Scsi_Host *shost, struct device *pdev);
extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
- int dd_data_size, uint16_t qdepth);
+ int dd_data_size,
+ bool xmit_can_sleep);
extern void iscsi_host_remove(struct Scsi_Host *shost);
extern void iscsi_host_free(struct Scsi_Host *shost);
@@ -382,11 +378,12 @@ extern void iscsi_conn_stop(struct iscsi_cls_conn *, int);
extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *,
int);
extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err);
-extern void iscsi_session_failure(struct iscsi_cls_session *cls_session,
+extern void iscsi_session_failure(struct iscsi_session *session,
enum iscsi_err err);
extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
enum iscsi_param param, char *buf);
extern void iscsi_suspend_tx(struct iscsi_conn *conn);
+extern void iscsi_conn_queue_work(struct iscsi_conn *conn);
#define iscsi_conn_printk(prefix, _c, fmt, a...) \
iscsi_cls_conn_printk(prefix, ((struct iscsi_conn *)_c)->cls_conn, \
diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
new file mode 100644
index 0000000..f888a6f
--- /dev/null
+++ b/include/scsi/osd_attributes.h
@@ -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__*/
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
new file mode 100644
index 0000000..b24d961
--- /dev/null
+++ b/include/scsi/osd_initiator.h
@@ -0,0 +1,433 @@
+/*
+ * osd_initiator.h - OSD initiator API definition
+ *
+ * Copyright (C) 2008 Panasas Inc. All rights reserved.
+ *
+ * Authors:
+ * Boaz Harrosh <bharrosh@panasas.com>
+ * Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ */
+#ifndef __OSD_INITIATOR_H__
+#define __OSD_INITIATOR_H__
+
+#include "osd_protocol.h"
+#include "osd_types.h"
+
+#include <linux/blkdev.h>
+
+/* Note: "NI" in comments below means "Not Implemented yet" */
+
+/* Configure of code:
+ * #undef if you *don't* want OSD v1 support in runtime.
+ * If #defined the initiator will dynamically configure to encode OSD v1
+ * CDB's if the target is detected to be OSD v1 only.
+ * OSD v2 only commands, options, and attributes will be ignored if target
+ * is v1 only.
+ * If #defined will result in bigger/slower code (OK Slower maybe not)
+ * Q: Should this be CONFIG_SCSI_OSD_VER1_SUPPORT and set from Kconfig?
+ */
+#define OSD_VER1_SUPPORT y
+
+enum osd_std_version {
+ OSD_VER_NONE = 0,
+ OSD_VER1 = 1,
+ OSD_VER2 = 2,
+};
+
+/*
+ * Object-based Storage Device.
+ * This object represents an OSD device.
+ * It is not a full linux device in any way. It is only
+ * a place to hang resources associated with a Linux
+ * request Q and some default properties.
+ */
+struct osd_dev {
+ struct scsi_device *scsi_device;
+ unsigned def_timeout;
+
+#ifdef OSD_VER1_SUPPORT
+ enum osd_std_version version;
+#endif
+};
+
+/* Retrieve/return osd_dev(s) for use by Kernel clients */
+struct osd_dev *osduld_path_lookup(const char *dev_name); /*Use IS_ERR/ERR_PTR*/
+void osduld_put_device(struct osd_dev *od);
+
+/* Add/remove test ioctls from external modules */
+typedef int (do_test_fn)(struct osd_dev *od, unsigned cmd, unsigned long arg);
+int osduld_register_test(unsigned ioctl, do_test_fn *do_test);
+void osduld_unregister_test(unsigned ioctl);
+
+/* These are called by uld at probe time */
+void osd_dev_init(struct osd_dev *od, struct scsi_device *scsi_device);
+void osd_dev_fini(struct osd_dev *od);
+
+/* some hi level device operations */
+int osd_auto_detect_ver(struct osd_dev *od, void *caps); /* GFP_KERNEL */
+
+/* we might want to use function vector in the future */
+static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v)
+{
+#ifdef OSD_VER1_SUPPORT
+ od->version = v;
+#endif
+}
+
+struct osd_request;
+typedef void (osd_req_done_fn)(struct osd_request *or, void *private);
+
+struct osd_request {
+ struct osd_cdb cdb;
+ struct osd_data_out_integrity_info out_data_integ;
+ struct osd_data_in_integrity_info in_data_integ;
+
+ struct osd_dev *osd_dev;
+ struct request *request;
+
+ struct _osd_req_data_segment {
+ void *buff;
+ unsigned alloc_size; /* 0 here means: don't call kfree */
+ unsigned total_bytes;
+ } set_attr, enc_get_attr, get_attr;
+
+ struct _osd_io_info {
+ struct bio *bio;
+ u64 total_bytes;
+ struct request *req;
+ struct _osd_req_data_segment *last_seg;
+ u8 *pad_buff;
+ } out, in;
+
+ gfp_t alloc_flags;
+ unsigned timeout;
+ unsigned retries;
+ u8 sense[OSD_MAX_SENSE_LEN];
+ enum osd_attributes_mode attributes_mode;
+
+ osd_req_done_fn *async_done;
+ void *async_private;
+ int async_error;
+};
+
+/* OSD Version control */
+static inline bool osd_req_is_ver1(struct osd_request *or)
+{
+#ifdef OSD_VER1_SUPPORT
+ return or->osd_dev->version == OSD_VER1;
+#else
+ return false;
+#endif
+}
+
+/*
+ * How to use the osd library:
+ *
+ * osd_start_request
+ * Allocates a request.
+ *
+ * osd_req_*
+ * Call one of, to encode the desired operation.
+ *
+ * osd_add_{get,set}_attr
+ * Optionally add attributes to the CDB, list or page mode.
+ *
+ * osd_finalize_request
+ * Computes final data out/in offsets and signs the request,
+ * making it ready for execution.
+ *
+ * osd_execute_request
+ * May be called to execute it through the block layer. Other wise submit
+ * the associated block request in some other way.
+ *
+ * After execution:
+ * osd_req_decode_sense
+ * Decodes sense information to verify execution results.
+ *
+ * osd_req_decode_get_attr
+ * Retrieve osd_add_get_attr_list() values if used.
+ *
+ * osd_end_request
+ * Must be called to deallocate the request.
+ */
+
+/**
+ * osd_start_request - Allocate and initialize an osd_request
+ *
+ * @osd_dev: OSD device that holds the scsi-device and default values
+ * that the request is associated with.
+ * @gfp: The allocation flags to use for request allocation, and all
+ * subsequent allocations. This will be stored at
+ * osd_request->alloc_flags, can be changed by user later
+ *
+ * Allocate osd_request and initialize all members to the
+ * default/initial state.
+ */
+struct osd_request *osd_start_request(struct osd_dev *od, gfp_t gfp);
+
+enum osd_req_options {
+ OSD_REQ_FUA = 0x08, /* Force Unit Access */
+ OSD_REQ_DPO = 0x10, /* Disable Page Out */
+
+ OSD_REQ_BYPASS_TIMESTAMPS = 0x80,
+};
+
+/**
+ * osd_finalize_request - Sign request and prepare request for execution
+ *
+ * @or: osd_request to prepare
+ * @options: combination of osd_req_options bit flags or 0.
+ * @cap: A Pointer to an OSD_CAP_LEN bytes buffer that is received from
+ * The security manager as capabilities for this cdb.
+ * @cap_key: The cryptographic key used to sign the cdb/data. Can be null
+ * if NOSEC is used.
+ *
+ * The actual request and bios are only allocated here, so are the get_attr
+ * buffers that will receive the returned attributes. Copy's @cap to cdb.
+ * Sign the cdb/data with @cap_key.
+ */
+int osd_finalize_request(struct osd_request *or,
+ u8 options, const void *cap, const u8 *cap_key);
+
+/**
+ * osd_execute_request - Execute the request synchronously through block-layer
+ *
+ * @or: osd_request to Executed
+ *
+ * Calls blk_execute_rq to q the command and waits for completion.
+ */
+int osd_execute_request(struct osd_request *or);
+
+/**
+ * osd_execute_request_async - Execute the request without waitting.
+ *
+ * @or: - osd_request to Executed
+ * @done: (Optional) - Called at end of execution
+ * @private: - Will be passed to @done function
+ *
+ * Calls blk_execute_rq_nowait to queue the command. When execution is done
+ * optionally calls @done with @private as parameter. @or->async_error will
+ * have the return code
+ */
+int osd_execute_request_async(struct osd_request *or,
+ osd_req_done_fn *done, void *private);
+
+/**
+ * osd_req_decode_sense_full - Decode sense information after execution.
+ *
+ * @or: - osd_request to examine
+ * @osi - Recievs a more detailed error report information (optional).
+ * @silent - Do not print to dmsg (Even if enabled)
+ * @bad_obj_list - Some commands act on multiple objects. Failed objects will
+ * be recieved here (optional)
+ * @max_obj - Size of @bad_obj_list.
+ * @bad_attr_list - List of failing attributes (optional)
+ * @max_attr - Size of @bad_attr_list.
+ *
+ * After execution, sense + return code can be analyzed using this function. The
+ * return code is the final disposition on the error. So it is possible that a
+ * CHECK_CONDITION was returned from target but this will return NO_ERROR, for
+ * example on recovered errors. All parameters are optional if caller does
+ * not need any returned information.
+ * Note: This function will also dump the error to dmsg according to settings
+ * of the SCSI_OSD_DPRINT_SENSE Kconfig value. Set @silent if you know the
+ * command would routinely fail, to not spam the dmsg file.
+ */
+struct osd_sense_info {
+ int key; /* one of enum scsi_sense_keys */
+ int additional_code ; /* enum osd_additional_sense_codes */
+ union { /* Sense specific information */
+ u16 sense_info;
+ u16 cdb_field_offset; /* scsi_invalid_field_in_cdb */
+ };
+ union { /* Command specific information */
+ u64 command_info;
+ };
+
+ u32 not_initiated_command_functions; /* osd_command_functions_bits */
+ u32 completed_command_functions; /* osd_command_functions_bits */
+ struct osd_obj_id obj;
+ struct osd_attr attr;
+};
+
+int osd_req_decode_sense_full(struct osd_request *or,
+ struct osd_sense_info *osi, bool silent,
+ struct osd_obj_id *bad_obj_list, int max_obj,
+ struct osd_attr *bad_attr_list, int max_attr);
+
+static inline int osd_req_decode_sense(struct osd_request *or,
+ struct osd_sense_info *osi)
+{
+ return osd_req_decode_sense_full(or, osi, false, NULL, 0, NULL, 0);
+}
+
+/**
+ * osd_end_request - return osd_request to free store
+ *
+ * @or: osd_request to free
+ *
+ * Deallocate all osd_request resources (struct req's, BIOs, buffers, etc.)
+ */
+void osd_end_request(struct osd_request *or);
+
+/*
+ * CDB Encoding
+ *
+ * Note: call only one of the following methods.
+ */
+
+/*
+ * Device commands
+ */
+void osd_req_set_master_seed_xchg(struct osd_request *or, ...);/* NI */
+void osd_req_set_master_key(struct osd_request *or, ...);/* NI */
+
+void osd_req_format(struct osd_request *or, u64 tot_capacity);
+
+/* list all partitions
+ * @list header must be initialized to zero on first run.
+ *
+ * Call osd_is_obj_list_done() to find if we got the complete list.
+ */
+int osd_req_list_dev_partitions(struct osd_request *or,
+ osd_id initial_id, struct osd_obj_id_list *list, unsigned nelem);
+
+void osd_req_flush_obsd(struct osd_request *or,
+ enum osd_options_flush_scope_values);
+
+void osd_req_perform_scsi_command(struct osd_request *or,
+ const u8 *cdb, ...);/* NI */
+void osd_req_task_management(struct osd_request *or, ...);/* NI */
+
+/*
+ * Partition commands
+ */
+void osd_req_create_partition(struct osd_request *or, osd_id partition);
+void osd_req_remove_partition(struct osd_request *or, osd_id partition);
+
+void osd_req_set_partition_key(struct osd_request *or,
+ osd_id partition, u8 new_key_id[OSD_CRYPTO_KEYID_SIZE],
+ u8 seed[OSD_CRYPTO_SEED_SIZE]);/* NI */
+
+/* list all collections in the partition
+ * @list header must be init to zero on first run.
+ *
+ * Call osd_is_obj_list_done() to find if we got the complete list.
+ */
+int osd_req_list_partition_collections(struct osd_request *or,
+ osd_id partition, osd_id initial_id, struct osd_obj_id_list *list,
+ unsigned nelem);
+
+/* list all objects in the partition
+ * @list header must be init to zero on first run.
+ *
+ * Call osd_is_obj_list_done() to find if we got the complete list.
+ */
+int osd_req_list_partition_objects(struct osd_request *or,
+ osd_id partition, osd_id initial_id, struct osd_obj_id_list *list,
+ unsigned nelem);
+
+void osd_req_flush_partition(struct osd_request *or,
+ osd_id partition, enum osd_options_flush_scope_values);
+
+/*
+ * Collection commands
+ */
+void osd_req_create_collection(struct osd_request *or,
+ const struct osd_obj_id *);/* NI */
+void osd_req_remove_collection(struct osd_request *or,
+ const struct osd_obj_id *);/* NI */
+
+/* list all objects in the collection */
+int osd_req_list_collection_objects(struct osd_request *or,
+ const struct osd_obj_id *, osd_id initial_id,
+ struct osd_obj_id_list *list, unsigned nelem);
+
+/* V2 only filtered list of objects in the collection */
+void osd_req_query(struct osd_request *or, ...);/* NI */
+
+void osd_req_flush_collection(struct osd_request *or,
+ const struct osd_obj_id *, enum osd_options_flush_scope_values);
+
+void osd_req_get_member_attrs(struct osd_request *or, ...);/* V2-only NI */
+void osd_req_set_member_attrs(struct osd_request *or, ...);/* V2-only NI */
+
+/*
+ * Object commands
+ */
+void osd_req_create_object(struct osd_request *or, struct osd_obj_id *);
+void osd_req_remove_object(struct osd_request *or, struct osd_obj_id *);
+
+void osd_req_write(struct osd_request *or,
+ const struct osd_obj_id *, struct bio *data_out, u64 offset);
+void osd_req_append(struct osd_request *or,
+ const struct osd_obj_id *, struct bio *data_out);/* NI */
+void osd_req_create_write(struct osd_request *or,
+ const struct osd_obj_id *, struct bio *data_out, u64 offset);/* NI */
+void osd_req_clear(struct osd_request *or,
+ const struct osd_obj_id *, u64 offset, u64 len);/* NI */
+void osd_req_punch(struct osd_request *or,
+ const struct osd_obj_id *, u64 offset, u64 len);/* V2-only NI */
+
+void osd_req_flush_object(struct osd_request *or,
+ const struct osd_obj_id *, enum osd_options_flush_scope_values,
+ /*V2*/ u64 offset, /*V2*/ u64 len);
+
+void osd_req_read(struct osd_request *or,
+ const struct osd_obj_id *, struct bio *data_in, u64 offset);
+
+/*
+ * Root/Partition/Collection/Object Attributes commands
+ */
+
+/* get before set */
+void osd_req_get_attributes(struct osd_request *or, const struct osd_obj_id *);
+
+/* set before get */
+void osd_req_set_attributes(struct osd_request *or, const struct osd_obj_id *);
+
+/*
+ * Attributes appended to most commands
+ */
+
+/* Attributes List mode (or V2 CDB) */
+ /*
+ * TODO: In ver2 if at finalize time only one attr was set and no gets,
+ * then the Attributes CDB mode is used automatically to save IO.
+ */
+
+/* set a list of attributes. */
+int osd_req_add_set_attr_list(struct osd_request *or,
+ const struct osd_attr *, unsigned nelem);
+
+/* get a list of attributes */
+int osd_req_add_get_attr_list(struct osd_request *or,
+ const struct osd_attr *, unsigned nelem);
+
+/*
+ * Attributes list decoding
+ * Must be called after osd_request.request was executed
+ * It is called in a loop to decode the returned get_attr
+ * (see osd_add_get_attr)
+ */
+int osd_req_decode_get_attr_list(struct osd_request *or,
+ struct osd_attr *, int *nelem, void **iterator);
+
+/* Attributes Page mode */
+
+/*
+ * Read an attribute page and optionally set one attribute
+ *
+ * Retrieves the attribute page directly to a user buffer.
+ * @attr_page_data shall stay valid until end of execution.
+ * See osd_attributes.h for common page structures
+ */
+int osd_req_add_get_attr_page(struct osd_request *or,
+ u32 page_id, void *attr_page_data, unsigned max_page_len,
+ const struct osd_attr *set_one);
+
+#endif /* __OSD_LIB_H__ */
diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h
new file mode 100644
index 0000000..cd3cbf7
--- /dev/null
+++ b/include/scsi/osd_protocol.h
@@ -0,0 +1,579 @@
+/*
+ * osd_protocol.h - OSD T10 standard C definitions.
+ *
+ * Copyright (C) 2008 Panasas Inc. All rights reserved.
+ *
+ * Authors:
+ * Boaz Harrosh <bharrosh@panasas.com>
+ * Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ * This file contains types and constants that are defined by the protocol
+ * Note: All names and symbols are taken from the OSD standard's text.
+ */
+#ifndef __OSD_PROTOCOL_H__
+#define __OSD_PROTOCOL_H__
+
+#include <linux/types.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+
+enum {
+ OSDv1_ADDITIONAL_CDB_LENGTH = 192,
+ OSDv1_TOTAL_CDB_LEN = OSDv1_ADDITIONAL_CDB_LENGTH + 8,
+ OSDv1_CAP_LEN = 80,
+ /* Latest supported version */
+/* OSD_ADDITIONAL_CDB_LENGTH = 216,*/
+ OSD_ADDITIONAL_CDB_LENGTH =
+ OSDv1_ADDITIONAL_CDB_LENGTH, /* FIXME: Pete rev-001 sup */
+ OSD_TOTAL_CDB_LEN = OSD_ADDITIONAL_CDB_LENGTH + 8,
+/* OSD_CAP_LEN = 104,*/
+ OSD_CAP_LEN = OSDv1_CAP_LEN,/* FIXME: Pete rev-001 sup */
+
+ OSD_SYSTEMID_LEN = 20,
+ OSD_CRYPTO_KEYID_SIZE = 20,
+ /*FIXME: OSDv2_CRYPTO_KEYID_SIZE = 32,*/
+ OSD_CRYPTO_SEED_SIZE = 4,
+ OSD_CRYPTO_NONCE_SIZE = 12,
+ OSD_MAX_SENSE_LEN = 252, /* from SPC-3 */
+
+ OSD_PARTITION_FIRST_ID = 0x10000,
+ OSD_OBJECT_FIRST_ID = 0x10000,
+};
+
+/* (osd-r10 5.2.4)
+ * osd2r03: 5.2.3 Caching control bits
+ */
+enum osd_options_byte {
+ OSD_CDB_FUA = 0x08, /* Force Unit Access */
+ OSD_CDB_DPO = 0x10, /* Disable Page Out */
+};
+
+/*
+ * osd2r03: 5.2.5 Isolation.
+ * First 3 bits, V2-only.
+ * Also for attr 110h "default isolation method" at Root Information page
+ */
+enum osd_options_byte_isolation {
+ OSD_ISOLATION_DEFAULT = 0,
+ OSD_ISOLATION_NONE = 1,
+ OSD_ISOLATION_STRICT = 2,
+ OSD_ISOLATION_RANGE = 4,
+ OSD_ISOLATION_FUNCTIONAL = 5,
+ OSD_ISOLATION_VENDOR = 7,
+};
+
+/* (osd-r10: 6.7)
+ * osd2r03: 6.8 FLUSH, FLUSH COLLECTION, FLUSH OSD, FLUSH PARTITION
+ */
+enum osd_options_flush_scope_values {
+ OSD_CDB_FLUSH_ALL = 0,
+ OSD_CDB_FLUSH_ATTR_ONLY = 1,
+
+ OSD_CDB_FLUSH_ALL_RECURSIVE = 2,
+ /* V2-only */
+ OSD_CDB_FLUSH_ALL_RANGE = 2,
+};
+
+/* osd2r03: 5.2.10 Timestamps control */
+enum {
+ OSD_CDB_NORMAL_TIMESTAMPS = 0,
+ OSD_CDB_BYPASS_TIMESTAMPS = 0x7f,
+};
+
+/* (osd-r10: 5.2.2.1)
+ * osd2r03: 5.2.4.1 Get and set attributes CDB format selection
+ * 2 bits at second nibble of command_specific_options byte
+ */
+enum osd_attributes_mode {
+ /* V2-only */
+ OSD_CDB_SET_ONE_ATTR = 0x10,
+
+ OSD_CDB_GET_ATTR_PAGE_SET_ONE = 0x20,
+ OSD_CDB_GET_SET_ATTR_LISTS = 0x30,
+
+ OSD_CDB_GET_SET_ATTR_MASK = 0x30,
+};
+
+/* (osd-r10: 4.12.5)
+ * osd2r03: 4.14.5 Data-In and Data-Out buffer offsets
+ * byte offset = mantissa * (2^(exponent+8))
+ * struct {
+ * unsigned mantissa: 28;
+ * int exponent: 04;
+ * }
+ */
+typedef __be32 __bitwise osd_cdb_offset;
+
+enum {
+ OSD_OFFSET_UNUSED = 0xFFFFFFFF,
+ OSD_OFFSET_MAX_BITS = 28,
+
+ OSDv1_OFFSET_MIN_SHIFT = 8,
+ OSD_OFFSET_MIN_SHIFT = 3,
+ OSD_OFFSET_MAX_SHIFT = 16,
+};
+
+/* Return the smallest allowed encoded offset that contains @offset.
+ *
+ * The actual encoded offset returned is @offset + *padding.
+ * (up to max_shift, non-inclusive)
+ */
+osd_cdb_offset __osd_encode_offset(u64 offset, unsigned *padding,
+ int min_shift, int max_shift);
+
+/* Minimum alignment is 256 bytes
+ * Note: Seems from std v1 that exponent can be from 0+8 to 0xE+8 (inclusive)
+ * which is 8 to 23 but IBM code restricts it to 16, so be it.
+ */
+static inline osd_cdb_offset osd_encode_offset_v1(u64 offset, unsigned *padding)
+{
+ return __osd_encode_offset(offset, padding,
+ OSDv1_OFFSET_MIN_SHIFT, OSD_OFFSET_MAX_SHIFT);
+}
+
+/* Minimum 8 bytes alignment
+ * Same as v1 but since exponent can be signed than a less than
+ * 256 alignment can be reached with small offsets (<2GB)
+ */
+static inline osd_cdb_offset osd_encode_offset_v2(u64 offset, unsigned *padding)
+{
+ return __osd_encode_offset(offset, padding,
+ OSD_OFFSET_MIN_SHIFT, OSD_OFFSET_MAX_SHIFT);
+}
+
+/* osd2r03: 5.2.1 Overview */
+struct osd_cdb_head {
+ struct scsi_varlen_cdb_hdr varlen_cdb;
+/*10*/ u8 options;
+ u8 command_specific_options;
+ u8 timestamp_control;
+/*13*/ u8 reserved1[3];
+/*16*/ __be64 partition;
+/*24*/ __be64 object;
+/*32*/ union { /* V1 vs V2 alignment differences */
+ struct __osdv1_cdb_addr_len {
+/*32*/ __be32 list_identifier;/* Rarely used */
+/*36*/ __be64 length;
+/*44*/ __be64 start_address;
+ } __packed v1;
+
+ struct __osdv2_cdb_addr_len {
+ /* called allocation_length in some commands */
+/*32*/ __be64 length;
+/*40*/ __be64 start_address;
+/*48*/ __be32 list_identifier;/* Rarely used */
+ } __packed v2;
+ };
+/*52*/ union { /* selected attributes mode Page/List/Single */
+ struct osd_attributes_page_mode {
+/*52*/ __be32 get_attr_page;
+/*56*/ __be32 get_attr_alloc_length;
+/*60*/ osd_cdb_offset get_attr_offset;
+
+/*64*/ __be32 set_attr_page;
+/*68*/ __be32 set_attr_id;
+/*72*/ __be32 set_attr_length;
+/*76*/ osd_cdb_offset set_attr_offset;
+/*80*/ } __packed attrs_page;
+
+ struct osd_attributes_list_mode {
+/*52*/ __be32 get_attr_desc_bytes;
+/*56*/ osd_cdb_offset get_attr_desc_offset;
+
+/*60*/ __be32 get_attr_alloc_length;
+/*64*/ osd_cdb_offset get_attr_offset;
+
+/*68*/ __be32 set_attr_bytes;
+/*72*/ osd_cdb_offset set_attr_offset;
+ __be32 not_used;
+/*80*/ } __packed attrs_list;
+
+ /* osd2r03:5.2.4.2 Set one attribute value using CDB fields */
+ struct osd_attributes_cdb_mode {
+/*52*/ __be32 set_attr_page;
+/*56*/ __be32 set_attr_id;
+/*60*/ __be16 set_attr_len;
+/*62*/ u8 set_attr_val[18];
+/*80*/ } __packed attrs_cdb;
+/*52*/ u8 get_set_attributes_parameters[28];
+ };
+} __packed;
+/*80*/
+
+/*160 v1*/
+/*184 v2*/
+struct osd_security_parameters {
+/*160*/u8 integrity_check_value[OSD_CRYPTO_KEYID_SIZE];
+/*180*/u8 request_nonce[OSD_CRYPTO_NONCE_SIZE];
+/*192*/osd_cdb_offset data_in_integrity_check_offset;
+/*196*/osd_cdb_offset data_out_integrity_check_offset;
+} __packed;
+/*200 v1*/
+/*224 v2*/
+
+/* FIXME: osdv2_security_parameters */
+
+struct osdv1_cdb {
+ struct osd_cdb_head h;
+ u8 caps[OSDv1_CAP_LEN];
+ struct osd_security_parameters sec_params;
+} __packed;
+
+struct osdv2_cdb {
+ struct osd_cdb_head h;
+ u8 caps[OSD_CAP_LEN];
+ struct osd_security_parameters sec_params;
+ /* FIXME: osdv2_security_parameters */
+} __packed;
+
+struct osd_cdb {
+ union {
+ struct osdv1_cdb v1;
+ struct osdv2_cdb v2;
+ u8 buff[OSD_TOTAL_CDB_LEN];
+ };
+} __packed;
+
+static inline struct osd_cdb_head *osd_cdb_head(struct osd_cdb *ocdb)
+{
+ return (struct osd_cdb_head *)ocdb->buff;
+}
+
+/* define both version actions
+ * Ex name = FORMAT_OSD we have OSD_ACT_FORMAT_OSD && OSDv1_ACT_FORMAT_OSD
+ */
+#define OSD_ACT___(Name, Num) \
+ OSD_ACT_##Name = __constant_cpu_to_be16(0x8880 + Num), \
+ OSDv1_ACT_##Name = __constant_cpu_to_be16(0x8800 + Num),
+
+/* V2 only actions */
+#define OSD_ACT_V2(Name, Num) \
+ OSD_ACT_##Name = __constant_cpu_to_be16(0x8880 + Num),
+
+#define OSD_ACT_V1_V2(Name, Num1, Num2) \
+ OSD_ACT_##Name = __constant_cpu_to_be16(Num2), \
+ OSDv1_ACT_##Name = __constant_cpu_to_be16(Num1),
+
+enum osd_service_actions {
+ OSD_ACT_V2(OBJECT_STRUCTURE_CHECK, 0x00)
+ OSD_ACT___(FORMAT_OSD, 0x01)
+ OSD_ACT___(CREATE, 0x02)
+ OSD_ACT___(LIST, 0x03)
+ OSD_ACT_V2(PUNCH, 0x04)
+ OSD_ACT___(READ, 0x05)
+ OSD_ACT___(WRITE, 0x06)
+ OSD_ACT___(APPEND, 0x07)
+ OSD_ACT___(FLUSH, 0x08)
+ OSD_ACT_V2(CLEAR, 0x09)
+ OSD_ACT___(REMOVE, 0x0A)
+ OSD_ACT___(CREATE_PARTITION, 0x0B)
+ OSD_ACT___(REMOVE_PARTITION, 0x0C)
+ OSD_ACT___(GET_ATTRIBUTES, 0x0E)
+ OSD_ACT___(SET_ATTRIBUTES, 0x0F)
+ OSD_ACT___(CREATE_AND_WRITE, 0x12)
+ OSD_ACT___(CREATE_COLLECTION, 0x15)
+ OSD_ACT___(REMOVE_COLLECTION, 0x16)
+ OSD_ACT___(LIST_COLLECTION, 0x17)
+ OSD_ACT___(SET_KEY, 0x18)
+ OSD_ACT___(SET_MASTER_KEY, 0x19)
+ OSD_ACT___(FLUSH_COLLECTION, 0x1A)
+ OSD_ACT___(FLUSH_PARTITION, 0x1B)
+ OSD_ACT___(FLUSH_OSD, 0x1C)
+
+ OSD_ACT_V2(QUERY, 0x20)
+ OSD_ACT_V2(REMOVE_MEMBER_OBJECTS, 0x21)
+ OSD_ACT_V2(GET_MEMBER_ATTRIBUTES, 0x22)
+ OSD_ACT_V2(SET_MEMBER_ATTRIBUTES, 0x23)
+ OSD_ACT_V2(READ_MAP, 0x31)
+
+ OSD_ACT_V1_V2(PERFORM_SCSI_COMMAND, 0x8F7E, 0x8F7C)
+ OSD_ACT_V1_V2(SCSI_TASK_MANAGEMENT, 0x8F7F, 0x8F7D)
+ /* 0x8F80 to 0x8FFF are Vendor specific */
+};
+
+/* osd2r03: 7.1.3.2 List entry format for retrieving attributes */
+struct osd_attributes_list_attrid {
+ __be32 attr_page;
+ __be32 attr_id;
+} __packed;
+
+/*
+ * osd2r03: 7.1.3.3 List entry format for retrieved attributes and
+ * for setting attributes
+ * NOTE: v2 is 8-bytes aligned, v1 is not aligned.
+ */
+struct osd_attributes_list_element {
+ __be32 attr_page;
+ __be32 attr_id;
+ __be16 attr_bytes;
+ u8 attr_val[0];
+} __packed;
+
+enum {
+ OSDv1_ATTRIBUTES_ELEM_ALIGN = 1,
+ OSD_ATTRIBUTES_ELEM_ALIGN = 8,
+};
+
+enum {
+ OSD_ATTR_LIST_ALL_PAGES = 0xFFFFFFFF,
+ OSD_ATTR_LIST_ALL_IN_PAGE = 0xFFFFFFFF,
+};
+
+static inline unsigned osdv1_attr_list_elem_size(unsigned len)
+{
+ return ALIGN(len + sizeof(struct osd_attributes_list_element),
+ OSDv1_ATTRIBUTES_ELEM_ALIGN);
+}
+
+static inline unsigned osdv2_attr_list_elem_size(unsigned len)
+{
+ return ALIGN(len + sizeof(struct osd_attributes_list_element),
+ OSD_ATTRIBUTES_ELEM_ALIGN);
+}
+
+/*
+ * osd2r03: 7.1.3 OSD attributes lists (Table 184) — List type values
+ */
+enum osd_attr_list_types {
+ OSD_ATTR_LIST_GET = 0x1, /* descriptors only */
+ OSD_ATTR_LIST_SET_RETRIEVE = 0x9, /*descriptors/values variable-length*/
+ OSD_V2_ATTR_LIST_MULTIPLE = 0xE, /* ver2, Multiple Objects lists*/
+ OSD_V1_ATTR_LIST_CREATE_MULTIPLE = 0xF,/*ver1, used by create_multple*/
+};
+
+/* osd2r03: 7.1.3.4 Multi-object retrieved attributes format */
+struct osd_attributes_list_multi_header {
+ __be64 object_id;
+ u8 object_type; /* object_type enum below */
+ u8 reserved[5];
+ __be16 list_bytes;
+ /* followed by struct osd_attributes_list_element's */
+};
+
+struct osdv1_attributes_list_header {
+ u8 type; /* low 4-bit only */
+ u8 pad;
+ __be16 list_bytes; /* Initiator shall set to Zero. Only set by target */
+ /*
+ * type=9 followed by struct osd_attributes_list_element's
+ * type=E followed by struct osd_attributes_list_multi_header's
+ */
+} __packed;
+
+static inline unsigned osdv1_list_size(struct osdv1_attributes_list_header *h)
+{
+ return be16_to_cpu(h->list_bytes);
+}
+
+struct osdv2_attributes_list_header {
+ u8 type; /* lower 4-bits only */
+ u8 pad[3];
+/*4*/ __be32 list_bytes; /* Initiator shall set to zero. Only set by target */
+ /*
+ * type=9 followed by struct osd_attributes_list_element's
+ * type=E followed by struct osd_attributes_list_multi_header's
+ */
+} __packed;
+
+static inline unsigned osdv2_list_size(struct osdv2_attributes_list_header *h)
+{
+ return be32_to_cpu(h->list_bytes);
+}
+
+/* (osd-r10 6.13)
+ * osd2r03: 6.15 LIST (Table 79) LIST command parameter data.
+ * for root_lstchg below
+ */
+enum {
+ OSD_OBJ_ID_LIST_PAR = 0x1, /* V1-only. Not used in V2 */
+ OSD_OBJ_ID_LIST_LSTCHG = 0x2,
+};
+
+/*
+ * osd2r03: 6.15.2 LIST command parameter data
+ * (Also for LIST COLLECTION)
+ */
+struct osd_obj_id_list {
+ __be64 list_bytes; /* bytes in list excluding list_bytes (-8) */
+ __be64 continuation_id;
+ __be32 list_identifier;
+ u8 pad[3];
+ u8 root_lstchg;
+ __be64 object_ids[0];
+} __packed;
+
+static inline bool osd_is_obj_list_done(struct osd_obj_id_list *list,
+ bool *is_changed)
+{
+ *is_changed = (0 != (list->root_lstchg & OSD_OBJ_ID_LIST_LSTCHG));
+ return 0 != list->continuation_id;
+}
+
+/*
+ * osd2r03: 4.12.4.5 The ALLDATA security method
+ */
+struct osd_data_out_integrity_info {
+ __be64 data_bytes;
+ __be64 set_attributes_bytes;
+ __be64 get_attributes_bytes;
+ __be64 integrity_check_value;
+} __packed;
+
+struct osd_data_in_integrity_info {
+ __be64 data_bytes;
+ __be64 retrieved_attributes_bytes;
+ __be64 integrity_check_value;
+} __packed;
+
+struct osd_timestamp {
+ u8 time[6]; /* number of milliseconds since 1/1/1970 UT (big endian) */
+} __packed;
+/* FIXME: define helper functions to convert to/from osd time format */
+
+/*
+ * Capability & Security definitions
+ * osd2r03: 4.11.2.2 Capability format
+ * osd2r03: 5.2.8 Security parameters
+ */
+
+struct osd_key_identifier {
+ u8 id[7]; /* if you know why 7 please email bharrosh@panasas.com */
+} __packed;
+
+/* for osd_capability.format */
+enum {
+ OSD_SEC_CAP_FORMAT_NO_CAPS = 0,
+ OSD_SEC_CAP_FORMAT_VER1 = 1,
+ OSD_SEC_CAP_FORMAT_VER2 = 2,
+};
+
+/* security_method */
+enum {
+ OSD_SEC_NOSEC = 0,
+ OSD_SEC_CAPKEY = 1,
+ OSD_SEC_CMDRSP = 2,
+ OSD_SEC_ALLDATA = 3,
+};
+
+enum object_type {
+ OSD_SEC_OBJ_ROOT = 0x1,
+ OSD_SEC_OBJ_PARTITION = 0x2,
+ OSD_SEC_OBJ_COLLECTION = 0x40,
+ OSD_SEC_OBJ_USER = 0x80,
+};
+
+enum osd_capability_bit_masks {
+ OSD_SEC_CAP_APPEND = BIT(0),
+ OSD_SEC_CAP_OBJ_MGMT = BIT(1),
+ OSD_SEC_CAP_REMOVE = BIT(2),
+ OSD_SEC_CAP_CREATE = BIT(3),
+ OSD_SEC_CAP_SET_ATTR = BIT(4),
+ OSD_SEC_CAP_GET_ATTR = BIT(5),
+ OSD_SEC_CAP_WRITE = BIT(6),
+ OSD_SEC_CAP_READ = BIT(7),
+
+ OSD_SEC_CAP_NONE1 = BIT(8),
+ OSD_SEC_CAP_NONE2 = BIT(9),
+ OSD_SEC_CAP_NONE3 = BIT(10),
+ OSD_SEC_CAP_QUERY = BIT(11), /*v2 only*/
+ OSD_SEC_CAP_M_OBJECT = BIT(12), /*v2 only*/
+ OSD_SEC_CAP_POL_SEC = BIT(13),
+ OSD_SEC_CAP_GLOBAL = BIT(14),
+ OSD_SEC_CAP_DEV_MGMT = BIT(15),
+};
+
+/* for object_descriptor_type (hi nibble used) */
+enum {
+ OSD_SEC_OBJ_DESC_NONE = 0, /* Not allowed */
+ OSD_SEC_OBJ_DESC_OBJ = 1 << 4, /* v1: also collection */
+ OSD_SEC_OBJ_DESC_PAR = 2 << 4, /* also root */
+ OSD_SEC_OBJ_DESC_COL = 3 << 4, /* v2 only */
+};
+
+/* (osd-r10:4.9.2.2)
+ * osd2r03:4.11.2.2 Capability format
+ */
+struct osd_capability_head {
+ u8 format; /* low nibble */
+ u8 integrity_algorithm__key_version; /* MAKE_BYTE(integ_alg, key_ver) */
+ u8 security_method;
+ u8 reserved1;
+/*04*/ struct osd_timestamp expiration_time;
+/*10*/ u8 audit[20];
+/*30*/ u8 discriminator[12];
+/*42*/ struct osd_timestamp object_created_time;
+/*48*/ u8 object_type;
+/*49*/ u8 permissions_bit_mask[5];
+/*54*/ u8 reserved2;
+/*55*/ u8 object_descriptor_type; /* high nibble */
+} __packed;
+
+/*56 v1*/
+struct osdv1_cap_object_descriptor {
+ union {
+ struct {
+/*56*/ __be32 policy_access_tag;
+/*60*/ __be64 allowed_partition_id;
+/*68*/ __be64 allowed_object_id;
+/*76*/ __be32 reserved;
+ } __packed obj_desc;
+
+/*56*/ u8 object_descriptor[24];
+ };
+} __packed;
+/*80 v1*/
+
+/*56 v2*/
+struct osd_cap_object_descriptor {
+ union {
+ struct {
+/*56*/ __be32 allowed_attributes_access;
+/*60*/ __be32 policy_access_tag;
+/*64*/ __be16 boot_epoch;
+/*66*/ u8 reserved[6];
+/*72*/ __be64 allowed_partition_id;
+/*80*/ __be64 allowed_object_id;
+/*88*/ __be64 allowed_range_length;
+/*96*/ __be64 allowed_range_start;
+ } __packed obj_desc;
+
+/*56*/ u8 object_descriptor[48];
+ };
+} __packed;
+/*104 v2*/
+
+struct osdv1_capability {
+ struct osd_capability_head h;
+ struct osdv1_cap_object_descriptor od;
+} __packed;
+
+struct osd_capability {
+ struct osd_capability_head h;
+/* struct osd_cap_object_descriptor od;*/
+ struct osdv1_cap_object_descriptor od; /* FIXME: Pete rev-001 sup */
+} __packed;
+
+/**
+ * osd_sec_set_caps - set cap-bits into the capabilities header
+ *
+ * @cap: The osd_capability_head to set cap bits to.
+ * @bit_mask: Use an ORed list of enum osd_capability_bit_masks values
+ *
+ * permissions_bit_mask is unaligned use below to set into caps
+ * in a version independent way
+ */
+static inline void osd_sec_set_caps(struct osd_capability_head *cap,
+ u16 bit_mask)
+{
+ /*
+ *Note: The bits above are defined LE order this is because this way
+ * they can grow in the future to more then 16, and still retain
+ * there constant values.
+ */
+ put_unaligned_le16(bit_mask, &cap->permissions_bit_mask);
+}
+
+#endif /* ndef __OSD_PROTOCOL_H__ */
diff --git a/include/scsi/osd_sec.h b/include/scsi/osd_sec.h
new file mode 100644
index 0000000..4c09fee
--- /dev/null
+++ b/include/scsi/osd_sec.h
@@ -0,0 +1,45 @@
+/*
+ * osd_sec.h - OSD security manager API
+ *
+ * Copyright (C) 2008 Panasas Inc. All rights reserved.
+ *
+ * Authors:
+ * Boaz Harrosh <bharrosh@panasas.com>
+ * Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ */
+#ifndef __OSD_SEC_H__
+#define __OSD_SEC_H__
+
+#include "osd_protocol.h"
+#include "osd_types.h"
+
+/*
+ * Contains types and constants of osd capabilities and security
+ * encoding/decoding.
+ * API is trying to keep security abstract so initiator of an object
+ * based pNFS client knows as little as possible about security and
+ * capabilities. It is the Server's osd-initiator place to know more.
+ * Also can be used by osd-target.
+ */
+void osd_sec_encode_caps(void *caps, ...);/* NI */
+void osd_sec_init_nosec_doall_caps(void *caps,
+ const struct osd_obj_id *obj, bool is_collection, const bool is_v1);
+
+bool osd_is_sec_alldata(struct osd_security_parameters *sec_params);
+
+/* Conditionally sign the CDB according to security setting in ocdb
+ * with cap_key */
+void osd_sec_sign_cdb(struct osd_cdb *ocdb, const u8 *cap_key);
+
+/* Unconditionally sign the BIO data with cap_key.
+ * Check for osd_is_sec_alldata() was done prior to calling this. */
+void osd_sec_sign_data(void *data_integ, struct bio *bio, const u8 *cap_key);
+
+/* Version independent copy of caps into the cdb */
+void osd_set_caps(struct osd_cdb *cdb, const void *caps);
+
+#endif /* ndef __OSD_SEC_H__ */
diff --git a/include/scsi/osd_sense.h b/include/scsi/osd_sense.h
new file mode 100644
index 0000000..ff9b33c
--- /dev/null
+++ b/include/scsi/osd_sense.h
@@ -0,0 +1,260 @@
+/*
+ * osd_sense.h - OSD Related sense handling definitions.
+ *
+ * Copyright (C) 2008 Panasas Inc. All rights reserved.
+ *
+ * Authors:
+ * Boaz Harrosh <bharrosh@panasas.com>
+ * Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ * This file contains types and constants that are defined by the protocol
+ * Note: All names and symbols are taken from the OSD standard's text.
+ */
+#ifndef __OSD_SENSE_H__
+#define __OSD_SENSE_H__
+
+#include <scsi/osd_protocol.h>
+
+/* SPC3r23 4.5.6 Sense key and sense code definitions table 27 */
+enum scsi_sense_keys {
+ scsi_sk_no_sense = 0x0,
+ scsi_sk_recovered_error = 0x1,
+ scsi_sk_not_ready = 0x2,
+ scsi_sk_medium_error = 0x3,
+ scsi_sk_hardware_error = 0x4,
+ scsi_sk_illegal_request = 0x5,
+ scsi_sk_unit_attention = 0x6,
+ scsi_sk_data_protect = 0x7,
+ scsi_sk_blank_check = 0x8,
+ scsi_sk_vendor_specific = 0x9,
+ scsi_sk_copy_aborted = 0xa,
+ scsi_sk_aborted_command = 0xb,
+ scsi_sk_volume_overflow = 0xd,
+ scsi_sk_miscompare = 0xe,
+ scsi_sk_reserved = 0xf,
+};
+
+/* SPC3r23 4.5.6 Sense key and sense code definitions table 28 */
+/* Note: only those which can be returned by an OSD target. Most of
+ * these errors are taken care of by the generic scsi layer.
+ */
+enum osd_additional_sense_codes {
+ scsi_no_additional_sense_information = 0x0000,
+ scsi_operation_in_progress = 0x0016,
+ scsi_cleaning_requested = 0x0017,
+ scsi_lunr_cause_not_reportable = 0x0400,
+ scsi_logical_unit_is_in_process_of_becoming_ready = 0x0401,
+ scsi_lunr_initializing_command_required = 0x0402,
+ scsi_lunr_manual_intervention_required = 0x0403,
+ scsi_lunr_operation_in_progress = 0x0407,
+ scsi_lunr_selftest_in_progress = 0x0409,
+ scsi_luna_asymmetric_access_state_transition = 0x040a,
+ scsi_luna_target_port_in_standby_state = 0x040b,
+ scsi_luna_target_port_in_unavailable_state = 0x040c,
+ scsi_lunr_notify_enable_spinup_required = 0x0411,
+ scsi_logical_unit_does_not_respond_to_selection = 0x0500,
+ scsi_logical_unit_communication_failure = 0x0800,
+ scsi_logical_unit_communication_timeout = 0x0801,
+ scsi_logical_unit_communication_parity_error = 0x0802,
+ scsi_error_log_overflow = 0x0a00,
+ scsi_warning = 0x0b00,
+ scsi_warning_specified_temperature_exceeded = 0x0b01,
+ scsi_warning_enclosure_degraded = 0x0b02,
+ scsi_write_error_unexpected_unsolicited_data = 0x0c0c,
+ scsi_write_error_not_enough_unsolicited_data = 0x0c0d,
+ scsi_invalid_information_unit = 0x0e00,
+ scsi_invalid_field_in_command_information_unit = 0x0e03,
+ scsi_read_error_failed_retransmission_request = 0x1113,
+ scsi_parameter_list_length_error = 0x1a00,
+ scsi_invalid_command_operation_code = 0x2000,
+ scsi_invalid_field_in_cdb = 0x2400,
+ osd_security_audit_value_frozen = 0x2404,
+ osd_security_working_key_frozen = 0x2405,
+ osd_nonce_not_unique = 0x2406,
+ osd_nonce_timestamp_out_of_range = 0x2407,
+ scsi_logical_unit_not_supported = 0x2500,
+ scsi_invalid_field_in_parameter_list = 0x2600,
+ scsi_parameter_not_supported = 0x2601,
+ scsi_parameter_value_invalid = 0x2602,
+ scsi_invalid_release_of_persistent_reservation = 0x2604,
+ osd_invalid_dataout_buffer_integrity_check_value = 0x260f,
+ scsi_not_ready_to_ready_change_medium_may_have_changed = 0x2800,
+ scsi_power_on_reset_or_bus_device_reset_occurred = 0x2900,
+ scsi_power_on_occurred = 0x2901,
+ scsi_scsi_bus_reset_occurred = 0x2902,
+ scsi_bus_device_reset_function_occurred = 0x2903,
+ scsi_device_internal_reset = 0x2904,
+ scsi_transceiver_mode_changed_to_single_ended = 0x2905,
+ scsi_transceiver_mode_changed_to_lvd = 0x2906,
+ scsi_i_t_nexus_loss_occurred = 0x2907,
+ scsi_parameters_changed = 0x2a00,
+ scsi_mode_parameters_changed = 0x2a01,
+ scsi_asymmetric_access_state_changed = 0x2a06,
+ scsi_priority_changed = 0x2a08,
+ scsi_command_sequence_error = 0x2c00,
+ scsi_previous_busy_status = 0x2c07,
+ scsi_previous_task_set_full_status = 0x2c08,
+ scsi_previous_reservation_conflict_status = 0x2c09,
+ osd_partition_or_collection_contains_user_objects = 0x2c0a,
+ scsi_commands_cleared_by_another_initiator = 0x2f00,
+ scsi_cleaning_failure = 0x3007,
+ scsi_enclosure_failure = 0x3400,
+ scsi_enclosure_services_failure = 0x3500,
+ scsi_unsupported_enclosure_function = 0x3501,
+ scsi_enclosure_services_unavailable = 0x3502,
+ scsi_enclosure_services_transfer_failure = 0x3503,
+ scsi_enclosure_services_transfer_refused = 0x3504,
+ scsi_enclosure_services_checksum_error = 0x3505,
+ scsi_rounded_parameter = 0x3700,
+ osd_read_past_end_of_user_object = 0x3b17,
+ scsi_logical_unit_has_not_self_configured_yet = 0x3e00,
+ scsi_logical_unit_failure = 0x3e01,
+ scsi_timeout_on_logical_unit = 0x3e02,
+ scsi_logical_unit_failed_selftest = 0x3e03,
+ scsi_logical_unit_unable_to_update_selftest_log = 0x3e04,
+ scsi_target_operating_conditions_have_changed = 0x3f00,
+ scsi_microcode_has_been_changed = 0x3f01,
+ scsi_inquiry_data_has_changed = 0x3f03,
+ scsi_echo_buffer_overwritten = 0x3f0f,
+ scsi_diagnostic_failure_on_component_nn_first = 0x4080,
+ scsi_diagnostic_failure_on_component_nn_last = 0x40ff,
+ scsi_message_error = 0x4300,
+ scsi_internal_target_failure = 0x4400,
+ scsi_select_or_reselect_failure = 0x4500,
+ scsi_scsi_parity_error = 0x4700,
+ scsi_data_phase_crc_error_detected = 0x4701,
+ scsi_scsi_parity_error_detected_during_st_data_phase = 0x4702,
+ scsi_asynchronous_information_protection_error_detected = 0x4704,
+ scsi_protocol_service_crc_error = 0x4705,
+ scsi_phy_test_function_in_progress = 0x4706,
+ scsi_invalid_message_error = 0x4900,
+ scsi_command_phase_error = 0x4a00,
+ scsi_data_phase_error = 0x4b00,
+ scsi_logical_unit_failed_self_configuration = 0x4c00,
+ scsi_overlapped_commands_attempted = 0x4e00,
+ osd_quota_error = 0x5507,
+ scsi_failure_prediction_threshold_exceeded = 0x5d00,
+ scsi_failure_prediction_threshold_exceeded_false = 0x5dff,
+ scsi_voltage_fault = 0x6500,
+};
+
+enum scsi_descriptor_types {
+ scsi_sense_information = 0x0,
+ scsi_sense_command_specific_information = 0x1,
+ scsi_sense_key_specific = 0x2,
+ scsi_sense_field_replaceable_unit = 0x3,
+ scsi_sense_stream_commands = 0x4,
+ scsi_sense_block_commands = 0x5,
+ osd_sense_object_identification = 0x6,
+ osd_sense_response_integrity_check = 0x7,
+ osd_sense_attribute_identification = 0x8,
+ scsi_sense_ata_return = 0x9,
+
+ scsi_sense_Reserved_first = 0x0A,
+ scsi_sense_Reserved_last = 0x7F,
+ scsi_sense_Vendor_specific_first = 0x80,
+ scsi_sense_Vendor_specific_last = 0xFF,
+};
+
+struct scsi_sense_descriptor { /* for picking into desc type */
+ u8 descriptor_type; /* one of enum scsi_descriptor_types */
+ u8 additional_length; /* n - 1 */
+ u8 data[];
+} __packed;
+
+/* OSD deploys only scsi descriptor_based sense buffers */
+struct scsi_sense_descriptor_based {
+/*0*/ u8 response_code; /* 0x72 or 0x73 */
+/*1*/ u8 sense_key; /* one of enum scsi_sense_keys (4 lower bits) */
+/*2*/ __be16 additional_sense_code; /* enum osd_additional_sense_codes */
+/*4*/ u8 Reserved[3];
+/*7*/ u8 additional_sense_length; /* n - 7 */
+/*8*/ struct scsi_sense_descriptor ssd[0]; /* variable length, 1 or more */
+} __packed;
+
+/* some descriptors deployed by OSD */
+
+/* SPC3r23 4.5.2.3 Command-specific information sense data descriptor */
+/* Note: this is the same for descriptor_type=00 but with type=00 the
+ * Reserved[0] == 0x80 (ie. bit-7 set)
+ */
+struct scsi_sense_command_specific_data_descriptor {
+/*0*/ u8 descriptor_type; /* (00h/01h) */
+/*1*/ u8 additional_length; /* (0Ah) */
+/*2*/ u8 Reserved[2];
+/*4*/ __be64 information;
+} __packed;
+/*12*/
+
+struct scsi_sense_key_specific_data_descriptor {
+/*0*/ u8 descriptor_type; /* (02h) */
+/*1*/ u8 additional_length; /* (06h) */
+/*2*/ u8 Reserved[2];
+/* SKSV, C/D, Reserved (2), BPV, BIT POINTER (3) */
+/*4*/ u8 sksv_cd_bpv_bp;
+/*5*/ __be16 value; /* field-pointer/progress-value/retry-count/... */
+/*7*/ u8 Reserved2;
+} __packed;
+/*8*/
+
+/* 4.16.2.1 OSD error identification sense data descriptor - table 52 */
+/* Note: these bits are defined LE order for easy definition, this way the BIT()
+ * number is the same as in the documentation. Below members at
+ * osd_sense_identification_data_descriptor are therefore defined __le32.
+ */
+enum osd_command_functions_bits {
+ OSD_CFB_COMMAND = BIT(4),
+ OSD_CFB_CMD_CAP_VERIFIED = BIT(5),
+ OSD_CFB_VALIDATION = BIT(7),
+ OSD_CFB_IMP_ST_ATT = BIT(12),
+ OSD_CFB_SET_ATT = BIT(20),
+ OSD_CFB_SA_CAP_VERIFIED = BIT(21),
+ OSD_CFB_GET_ATT = BIT(28),
+ OSD_CFB_GA_CAP_VERIFIED = BIT(29),
+};
+
+struct osd_sense_identification_data_descriptor {
+/*0*/ u8 descriptor_type; /* (06h) */
+/*1*/ u8 additional_length; /* (1Eh) */
+/*2*/ u8 Reserved[6];
+/*8*/ __le32 not_initiated_functions; /*osd_command_functions_bits*/
+/*12*/ __le32 completed_functions; /*osd_command_functions_bits*/
+/*16*/ __be64 partition_id;
+/*24*/ __be64 object_id;
+} __packed;
+/*32*/
+
+struct osd_sense_response_integrity_check_descriptor {
+/*0*/ u8 descriptor_type; /* (07h) */
+/*1*/ u8 additional_length; /* (20h) */
+/*2*/ u8 integrity_check_value[32]; /*FIXME: OSDv2_CRYPTO_KEYID_SIZE*/
+} __packed;
+/*34*/
+
+struct osd_sense_attributes_data_descriptor {
+/*0*/ u8 descriptor_type; /* (08h) */
+/*1*/ u8 additional_length; /* (n-2) */
+/*2*/ u8 Reserved[6];
+ struct osd_sense_attr {
+/*8*/ __be32 attr_page;
+/*12*/ __be32 attr_id;
+/*16*/ } sense_attrs[0]; /* 1 or more */
+} __packed;
+/*variable*/
+
+/* Dig into scsi_sk_illegal_request/scsi_invalid_field_in_cdb errors */
+
+/*FIXME: Support also field in CAPS*/
+#define OSD_CDB_OFFSET(F) offsetof(struct osd_cdb_head, F)
+
+enum osdv2_cdb_field_offset {
+ OSDv1_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v1.start_address),
+ OSD_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v2.start_address),
+ OSD_CFO_PARTITION_ID = OSD_CDB_OFFSET(partition),
+ OSD_CFO_OBJECT_ID = OSD_CDB_OFFSET(object),
+};
+
+#endif /* ndef __OSD_SENSE_H__ */
diff --git a/include/scsi/osd_types.h b/include/scsi/osd_types.h
new file mode 100644
index 0000000..3f5e88c
--- /dev/null
+++ b/include/scsi/osd_types.h
@@ -0,0 +1,40 @@
+/*
+ * osd_types.h - Types and constants which are not part of the protocol.
+ *
+ * Copyright (C) 2008 Panasas Inc. All rights reserved.
+ *
+ * Authors:
+ * Boaz Harrosh <bharrosh@panasas.com>
+ * Benny Halevy <bhalevy@panasas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ *
+ * Contains types and constants that are implementation specific and are
+ * used by more than one part of the osd library.
+ * (Eg initiator/target/security_manager/...)
+ */
+#ifndef __OSD_TYPES_H__
+#define __OSD_TYPES_H__
+
+struct osd_systemid {
+ u8 data[OSD_SYSTEMID_LEN];
+};
+
+typedef u64 __bitwise osd_id;
+
+struct osd_obj_id {
+ osd_id partition;
+ osd_id id;
+};
+
+static const struct __weak osd_obj_id osd_root_object = {0, 0};
+
+struct osd_attr {
+ u32 attr_page;
+ u32 attr_id;
+ u16 len; /* byte count of operand */
+ void *val_ptr; /* in network order */
+};
+
+#endif /* ndef __OSD_TYPES_H__ */
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index a109165..084478e 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -9,7 +9,8 @@
#define _SCSI_SCSI_H
#include <linux/types.h>
-#include <scsi/scsi_cmnd.h>
+
+struct scsi_cmnd;
/*
* The maximum number of SG segments that we will put inside a
@@ -263,6 +264,7 @@ static inline int scsi_status_is_good(int status)
#define TYPE_RAID 0x0c
#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
#define TYPE_RBC 0x0e
+#define TYPE_OSD 0x11
#define TYPE_NO_LUN 0x7f
/* SCSI protocols; these are taken from SPC-3 section 7.5 */
@@ -402,16 +404,6 @@ static inline int scsi_is_wlun(unsigned int lun)
#define DRIVER_HARD 0x07
#define DRIVER_SENSE 0x08
-#define SUGGEST_RETRY 0x10
-#define SUGGEST_ABORT 0x20
-#define SUGGEST_REMAP 0x30
-#define SUGGEST_DIE 0x40
-#define SUGGEST_SENSE 0x80
-#define SUGGEST_IS_OK 0xff
-
-#define DRIVER_MASK 0x0f
-#define SUGGEST_MASK 0xf0
-
/*
* Internal return values.
*/
@@ -447,23 +439,6 @@ static inline int scsi_is_wlun(unsigned int lun)
#define msg_byte(result) (((result) >> 8) & 0xff)
#define host_byte(result) (((result) >> 16) & 0xff)
#define driver_byte(result) (((result) >> 24) & 0xff)
-#define suggestion(result) (driver_byte(result) & SUGGEST_MASK)
-
-static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
-{
- cmd->result |= status << 8;
-}
-
-static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
-{
- cmd->result |= status << 16;
-}
-
-static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
-{
- cmd->result |= status << 24;
-}
-
#define sense_class(sense) (((sense) >> 4) & 0x7)
#define sense_error(sense) ((sense) & 0xf)
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 855bf95..43b50d3 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -291,4 +291,19 @@ static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)
#define scsi_for_each_prot_sg(cmd, sg, nseg, __i) \
for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
+static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
+{
+ cmd->result |= status << 8;
+}
+
+static inline void set_host_byte(struct scsi_cmnd *cmd, char status)
+{
+ cmd->result |= status << 16;
+}
+
+static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
+{
+ cmd->result |= status << 24;
+}
+
#endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 01a4c58..3f566af 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -340,6 +340,7 @@ extern int scsi_mode_select(struct scsi_device *sdev, int pf, int sp,
struct scsi_sense_hdr *);
extern int scsi_test_unit_ready(struct scsi_device *sdev, int timeout,
int retries, struct scsi_sense_hdr *sshdr);
+extern unsigned char *scsi_get_vpd_page(struct scsi_device *, u8 page);
extern int scsi_device_set_state(struct scsi_device *sdev,
enum scsi_device_state state);
extern struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
@@ -370,12 +371,6 @@ extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
struct scsi_sense_hdr *, int timeout, int retries,
int *resid);
-extern int scsi_execute_async(struct scsi_device *sdev,
- const unsigned char *cmd, int cmd_len, int data_direction,
- void *buffer, unsigned bufflen, int use_sg,
- int timeout, int retries, void *privdata,
- void (*done)(void *, char *, int, int),
- gfp_t gfp);
static inline int __must_check scsi_device_reprobe(struct scsi_device *sdev)
{
@@ -400,7 +395,8 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
*/
static inline int scsi_device_online(struct scsi_device *sdev)
{
- return sdev->sdev_state != SDEV_OFFLINE;
+ return (sdev->sdev_state != SDEV_OFFLINE &&
+ sdev->sdev_state != SDEV_DEL);
}
static inline int scsi_device_blocked(struct scsi_device *sdev)
{
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index b50aabe..457588e 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -88,7 +88,7 @@ struct iscsi_transport {
uint64_t host_param_mask;
struct iscsi_cls_session *(*create_session) (struct iscsi_endpoint *ep,
uint16_t cmds_max, uint16_t qdepth,
- uint32_t sn, uint32_t *hn);
+ uint32_t sn);
void (*destroy_session) (struct iscsi_cls_session *session);
struct iscsi_cls_conn *(*create_conn) (struct iscsi_cls_session *sess,
uint32_t cid);
@@ -206,8 +206,6 @@ struct iscsi_cls_session {
struct iscsi_cls_host {
atomic_t nr_scans;
struct mutex mutex;
- struct workqueue_struct *scan_workq;
- char scan_workq_name[20];
};
extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
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