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-rw-r--r--include/scsi/scsi.h14
-rw-r--r--include/scsi/scsi_cmnd.h3
-rw-r--r--include/scsi/scsi_device.h21
-rw-r--r--include/scsi/scsi_host.h9
-rw-r--r--include/scsi/scsi_netlink.h62
-rw-r--r--include/scsi/scsi_transport.h3
-rw-r--r--include/scsi/scsi_transport_fc.h23
7 files changed, 118 insertions, 17 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 5c40cc537d4..192f8716aa9 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -309,6 +309,20 @@ struct scsi_lun {
};
/*
+ * The Well Known LUNS (SAM-3) in our int representation of a LUN
+ */
+#define SCSI_W_LUN_BASE 0xc100
+#define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1)
+#define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2)
+#define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3)
+
+static inline int scsi_is_wlun(unsigned int lun)
+{
+ return (lun & 0xff00) == SCSI_W_LUN_BASE;
+}
+
+
+/*
* MESSAGE CODES
*/
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index f9f6e793575..855bf95963e 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -75,7 +75,6 @@ struct scsi_cmnd {
int retries;
int allowed;
- int timeout_per_command;
unsigned char prot_op;
unsigned char prot_type;
@@ -86,7 +85,6 @@ struct scsi_cmnd {
/* These elements define the operation we are about to perform */
unsigned char *cmnd;
- struct timer_list eh_timeout; /* Used to time out the command. */
/* These elements define the operation we ultimately want to perform */
struct scsi_data_buffer sdb;
@@ -139,7 +137,6 @@ extern void scsi_put_command(struct scsi_cmnd *);
extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
struct device *);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
-extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
size_t *offset, size_t *len);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 80b2e93c293..b49e725be03 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -42,9 +42,11 @@ enum scsi_device_state {
* originate in the mid-layer) */
SDEV_OFFLINE, /* Device offlined (by error handling or
* user request */
- SDEV_BLOCK, /* Device blocked by scsi lld. No scsi
- * commands from user or midlayer should be issued
- * to the scsi lld. */
+ SDEV_BLOCK, /* Device blocked by scsi lld. No
+ * scsi commands from user or midlayer
+ * should be issued to the scsi
+ * lld. */
+ SDEV_CREATED_BLOCK, /* same as above but for created devices */
};
enum scsi_device_event {
@@ -384,10 +386,23 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
#define scmd_id(scmd) sdev_id((scmd)->device)
#define scmd_channel(scmd) sdev_channel((scmd)->device)
+/*
+ * checks for positions of the SCSI state machine
+ */
static inline int scsi_device_online(struct scsi_device *sdev)
{
return sdev->sdev_state != SDEV_OFFLINE;
}
+static inline int scsi_device_blocked(struct scsi_device *sdev)
+{
+ return sdev->sdev_state == SDEV_BLOCK ||
+ sdev->sdev_state == SDEV_CREATED_BLOCK;
+}
+static inline int scsi_device_created(struct scsi_device *sdev)
+{
+ return sdev->sdev_state == SDEV_CREATED ||
+ sdev->sdev_state == SDEV_CREATED_BLOCK;
+}
/* accessor functions for the SCSI parameters */
static inline int scsi_device_sync(struct scsi_device *sdev)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 44a55d1bf53..d123ca84e73 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -43,13 +43,6 @@ struct blk_queue_tags;
#define DISABLE_CLUSTERING 0
#define ENABLE_CLUSTERING 1
-enum scsi_eh_timer_return {
- EH_NOT_HANDLED,
- EH_HANDLED,
- EH_RESET_TIMER,
-};
-
-
struct scsi_host_template {
struct module *module;
const char *name;
@@ -347,7 +340,7 @@ struct scsi_host_template {
*
* Status: OPTIONAL
*/
- enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
+ enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);
/*
* Name of proc directory
diff --git a/include/scsi/scsi_netlink.h b/include/scsi/scsi_netlink.h
index 8c1470cc820..536752c40d4 100644
--- a/include/scsi/scsi_netlink.h
+++ b/include/scsi/scsi_netlink.h
@@ -22,6 +22,9 @@
#ifndef SCSI_NETLINK_H
#define SCSI_NETLINK_H
+#include <linux/netlink.h>
+
+
/*
* This file intended to be included by both kernel and user space
*/
@@ -55,7 +58,41 @@ struct scsi_nl_hdr {
#define SCSI_NL_TRANSPORT_FC 1
#define SCSI_NL_MAX_TRANSPORTS 2
-/* scsi_nl_hdr->msgtype values are defined in each transport */
+/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */
+
+/*
+ * GENERIC SCSI scsi_nl_hdr->msgtype Values
+ */
+ /* kernel -> user */
+#define SCSI_NL_SHOST_VENDOR 0x0001
+ /* user -> kernel */
+/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */
+
+
+/*
+ * Message Structures :
+ */
+
+/* macro to round up message lengths to 8byte boundary */
+#define SCSI_NL_MSGALIGN(len) (((len) + 7) & ~7)
+
+
+/*
+ * SCSI HOST Vendor Unique messages :
+ * SCSI_NL_SHOST_VENDOR
+ *
+ * Note: The Vendor Unique message payload will begin directly after
+ * this structure, with the length of the payload per vmsg_datalen.
+ *
+ * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
+ * formatting requirements specified below
+ */
+struct scsi_nl_host_vendor_msg {
+ struct scsi_nl_hdr snlh; /* must be 1st element ! */
+ uint64_t vendor_id;
+ uint16_t host_no;
+ uint16_t vmsg_datalen;
+} __attribute__((aligned(sizeof(uint64_t))));
/*
@@ -83,5 +120,28 @@ struct scsi_nl_hdr {
}
+#ifdef __KERNEL__
+
+#include <scsi/scsi_host.h>
+
+/* Exported Kernel Interfaces */
+int scsi_nl_add_transport(u8 tport,
+ int (*msg_handler)(struct sk_buff *),
+ void (*event_handler)(struct notifier_block *, unsigned long, void *));
+void scsi_nl_remove_transport(u8 tport);
+
+int scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
+ int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
+ u32 len, u32 pid),
+ void (*nlevt_handler)(struct notifier_block *nb,
+ unsigned long event, void *notify_ptr));
+void scsi_nl_remove_driver(u64 vendor_id);
+
+void scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr);
+int scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
+ char *data_buf, u32 data_len);
+
+#endif /* __KERNEL__ */
+
#endif /* SCSI_NETLINK_H */
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index 490bd13a634..0de32cd4e8a 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -21,6 +21,7 @@
#define SCSI_TRANSPORT_H
#include <linux/transport_class.h>
+#include <linux/blkdev.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
@@ -64,7 +65,7 @@ struct scsi_transport_template {
* begin counting again
* EH_NOT_HANDLED Begin normal error recovery
*/
- enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
+ enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);
/*
* Used as callback for the completion of i_t_nexus request
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 878373c32ef..21018a4df45 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -167,6 +167,26 @@ enum fc_tgtid_binding_type {
struct device_attribute dev_attr_vport_##_name = \
__ATTR(_name,_mode,_show,_store)
+/*
+ * fc_vport_identifiers: This set of data contains all elements
+ * to uniquely identify and instantiate a FC virtual port.
+ *
+ * Notes:
+ * symbolic_name: The driver is to append the symbolic_name string data
+ * to the symbolic_node_name data that it generates by default.
+ * the resulting combination should then be registered with the switch.
+ * It is expected that things like Xen may stuff a VM title into
+ * this field.
+ */
+#define FC_VPORT_SYMBOLIC_NAMELEN 64
+struct fc_vport_identifiers {
+ u64 node_name;
+ u64 port_name;
+ u32 roles;
+ bool disable;
+ enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */
+ char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
+};
/*
* FC Virtual Port Attributes
@@ -197,7 +217,6 @@ struct device_attribute dev_attr_vport_##_name = \
* managed by the transport w/o driver interaction.
*/
-#define FC_VPORT_SYMBOLIC_NAMELEN 64
struct fc_vport {
/* Fixed Attributes */
@@ -732,6 +751,8 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
* be sure to read the Vendor Type and ID formatting requirements
* specified in scsi_netlink.h
*/
+struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
+ struct fc_vport_identifiers *);
int fc_vport_terminate(struct fc_vport *vport);
#endif /* SCSI_TRANSPORT_FC_H */