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-rw-r--r--include/scsi/libfc.h2
-rw-r--r--include/scsi/libsas.h1
-rw-r--r--include/scsi/osd_initiator.h16
-rw-r--r--include/scsi/osd_protocol.h42
-rw-r--r--include/scsi/osd_types.h5
-rw-r--r--include/scsi/scsi.h8
-rw-r--r--include/scsi/scsi_device.h2
-rw-r--r--include/scsi/scsi_host.h7
-rw-r--r--include/scsi/scsi_tcq.h6
-rw-r--r--include/scsi/scsi_transport_fc.h3
-rw-r--r--include/scsi/srp.h38
11 files changed, 123 insertions, 7 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 14be49b44e8..f986ab7ffe6 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -721,7 +721,7 @@ struct libfc_function_template {
* struct fc_disc - Discovery context
* @retry_count: Number of retries
* @pending: 1 if discovery is pending, 0 if not
- * @requesting: 1 if discovery has been requested, 0 if not
+ * @requested: 1 if discovery has been requested, 0 if not
* @seq_count: Number of sequences used for discovery
* @buf_len: Length of the discovery buffer
* @disc_id: Discovery ID
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index d06e13be717..3dec1949f69 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -205,6 +205,7 @@ struct domain_device {
};
void *lldd_dev;
+ int gone;
};
struct sas_discovery_event {
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
index a8f37012663..53a9e886612 100644
--- a/include/scsi/osd_initiator.h
+++ b/include/scsi/osd_initiator.h
@@ -137,7 +137,7 @@ struct osd_request {
void *buff;
unsigned alloc_size; /* 0 here means: don't call kfree */
unsigned total_bytes;
- } set_attr, enc_get_attr, get_attr;
+ } cdb_cont, set_attr, enc_get_attr, get_attr;
struct _osd_io_info {
struct bio *bio;
@@ -448,6 +448,20 @@ void osd_req_read(struct osd_request *or,
int osd_req_read_kern(struct osd_request *or,
const struct osd_obj_id *obj, u64 offset, void *buff, u64 len);
+/* Scatter/Gather write/read commands */
+int osd_req_write_sg(struct osd_request *or,
+ const struct osd_obj_id *obj, struct bio *bio,
+ const struct osd_sg_entry *sglist, unsigned numentries);
+int osd_req_read_sg(struct osd_request *or,
+ const struct osd_obj_id *obj, struct bio *bio,
+ const struct osd_sg_entry *sglist, unsigned numentries);
+int osd_req_write_sg_kern(struct osd_request *or,
+ const struct osd_obj_id *obj, void **buff,
+ const struct osd_sg_entry *sglist, unsigned numentries);
+int osd_req_read_sg_kern(struct osd_request *or,
+ const struct osd_obj_id *obj, void **buff,
+ const struct osd_sg_entry *sglist, unsigned numentries);
+
/*
* Root/Partition/Collection/Object Attributes commands
*/
diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h
index 68566128354..a6026da25f3 100644
--- a/include/scsi/osd_protocol.h
+++ b/include/scsi/osd_protocol.h
@@ -631,4 +631,46 @@ static inline void osd_sec_set_caps(struct osd_capability_head *cap,
put_unaligned_le16(bit_mask, &cap->permissions_bit_mask);
}
+/* osd2r05a sec 5.3: CDB continuation segment formats */
+enum osd_continuation_segment_format {
+ CDB_CONTINUATION_FORMAT_V2 = 0x01,
+};
+
+struct osd_continuation_segment_header {
+ u8 format;
+ u8 reserved1;
+ __be16 service_action;
+ __be32 reserved2;
+ u8 integrity_check[OSDv2_CRYPTO_KEYID_SIZE];
+} __packed;
+
+/* osd2r05a sec 5.4.1: CDB continuation descriptors */
+enum osd_continuation_descriptor_type {
+ NO_MORE_DESCRIPTORS = 0x0000,
+ SCATTER_GATHER_LIST = 0x0001,
+ QUERY_LIST = 0x0002,
+ USER_OBJECT = 0x0003,
+ COPY_USER_OBJECT_SOURCE = 0x0101,
+ EXTENSION_CAPABILITIES = 0xFFEE
+};
+
+struct osd_continuation_descriptor_header {
+ __be16 type;
+ u8 reserved;
+ u8 pad_length;
+ __be32 length;
+} __packed;
+
+
+/* osd2r05a sec 5.4.2: Scatter/gather list */
+struct osd_sg_list_entry {
+ __be64 offset;
+ __be64 len;
+};
+
+struct osd_sg_continuation_descriptor {
+ struct osd_continuation_descriptor_header hdr;
+ struct osd_sg_list_entry entries[];
+};
+
#endif /* ndef __OSD_PROTOCOL_H__ */
diff --git a/include/scsi/osd_types.h b/include/scsi/osd_types.h
index 3f5e88cc75c..bd0be7ed4bc 100644
--- a/include/scsi/osd_types.h
+++ b/include/scsi/osd_types.h
@@ -37,4 +37,9 @@ struct osd_attr {
void *val_ptr; /* in network order */
};
+struct osd_sg_entry {
+ u64 offset;
+ u64 len;
+};
+
#endif /* ndef __OSD_TYPES_H__ */
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 8fcb6e0e9e7..216af8538cc 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -32,6 +32,12 @@ struct scsi_cmnd;
#endif
/*
+ * DIX-capable adapters effectively support infinite chaining for the
+ * protection information scatterlist
+ */
+#define SCSI_MAX_PROT_SG_SEGMENTS 0xFFFF
+
+/*
* Special value for scanning to specify scanning or rescanning of all
* possible channels, (target) ids, or luns on a given shost.
*/
@@ -67,6 +73,7 @@ struct scsi_cmnd;
#define SEND_DIAGNOSTIC 0x1d
#define ALLOW_MEDIUM_REMOVAL 0x1e
+#define READ_FORMAT_CAPACITIES 0x23
#define SET_WINDOW 0x24
#define READ_CAPACITY 0x25
#define READ_10 0x28
@@ -96,6 +103,7 @@ struct scsi_cmnd;
#define WRITE_SAME 0x41
#define UNMAP 0x42
#define READ_TOC 0x43
+#define READ_HEADER 0x44
#define LOG_SELECT 0x4c
#define LOG_SENSE 0x4d
#define XDWRITEREAD_10 0x53
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 50cb34ffef1..85867dcde33 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -148,6 +148,8 @@ struct scsi_device {
unsigned retry_hwerror:1; /* Retry HARDWARE_ERROR */
unsigned last_sector_bug:1; /* do not use multisector accesses on
SD_LAST_BUGGY_SECTORS */
+ unsigned no_read_disc_info:1; /* Avoid READ_DISC_INFO cmds */
+ unsigned no_read_capacity_16:1; /* Avoid READ_CAPACITY_16 cmds */
unsigned is_visible:1; /* is the device visible in sysfs */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b7bdecb7b76..d0a6a845f20 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -388,6 +388,7 @@ struct scsi_host_template {
* of scatter-gather.
*/
unsigned short sg_tablesize;
+ unsigned short sg_prot_tablesize;
/*
* Set this if the host adapter has limitations beside segment count.
@@ -599,6 +600,7 @@ struct Scsi_Host {
int can_queue;
short cmd_per_lun;
short unsigned int sg_tablesize;
+ short unsigned int sg_prot_tablesize;
short unsigned int max_sectors;
unsigned long dma_boundary;
/*
@@ -823,6 +825,11 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
return shost->prot_capabilities;
}
+static inline int scsi_host_prot_dma(struct Scsi_Host *shost)
+{
+ return shost->prot_capabilities >= SHOST_DIX_TYPE0_PROTECTION;
+}
+
static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
{
static unsigned char cap[] = { 0,
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index 17231385cb3..d6e7994aa63 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -97,13 +97,9 @@ static inline void scsi_deactivate_tcq(struct scsi_device *sdev, int depth)
static inline int scsi_populate_tag_msg(struct scsi_cmnd *cmd, char *msg)
{
struct request *req = cmd->request;
- struct scsi_device *sdev = cmd->device;
if (blk_rq_tagged(req)) {
- if (sdev->ordered_tags && req->cmd_flags & REQ_HARDBARRIER)
- *msg++ = MSG_ORDERED_TAG;
- else
- *msg++ = MSG_SIMPLE_TAG;
+ *msg++ = MSG_SIMPLE_TAG;
*msg++ = req->tag;
return 2;
}
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 87d81b3ce56..59816fe31e6 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -496,6 +496,7 @@ struct fc_host_attrs {
u64 fabric_name;
char symbolic_name[FC_SYMBOLIC_NAME_SIZE];
char system_hostname[FC_SYMBOLIC_NAME_SIZE];
+ u32 dev_loss_tmo;
/* Private (Transport-managed) Attributes */
enum fc_tgtid_binding_type tgtid_bind_type;
@@ -580,6 +581,8 @@ struct fc_host_attrs {
(((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q_name)
#define fc_host_devloss_work_q(x) \
(((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q)
+#define fc_host_dev_loss_tmo(x) \
+ (((struct fc_host_attrs *)(x)->shost_data)->dev_loss_tmo)
struct fc_bsg_buffer {
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index ad178fa78f6..1ae84db4c9f 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -239,4 +239,42 @@ struct srp_rsp {
u8 data[0];
} __attribute__((packed));
+struct srp_cred_req {
+ u8 opcode;
+ u8 sol_not;
+ u8 reserved[2];
+ __be32 req_lim_delta;
+ u64 tag;
+};
+
+struct srp_cred_rsp {
+ u8 opcode;
+ u8 reserved[7];
+ u64 tag;
+};
+
+/*
+ * The SRP spec defines the fixed portion of the AER_REQ structure to be
+ * 36 bytes, so it needs to be packed to avoid having it padded to 40 bytes
+ * on 64-bit architectures.
+ */
+struct srp_aer_req {
+ u8 opcode;
+ u8 sol_not;
+ u8 reserved[2];
+ __be32 req_lim_delta;
+ u64 tag;
+ u32 reserved2;
+ __be64 lun;
+ __be32 sense_data_len;
+ u32 reserved3;
+ u8 sense_data[0];
+} __attribute__((packed));
+
+struct srp_aer_rsp {
+ u8 opcode;
+ u8 reserved[7];
+ u64 tag;
+};
+
#endif /* SCSI_SRP_H */