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-rw-r--r--include/scsi/fc/fc_fip.h21
-rw-r--r--include/scsi/libfc.h1
-rw-r--r--include/scsi/libfcoe.h25
-rw-r--r--include/scsi/scsi_device.h1
-rw-r--r--include/scsi/scsi_host.h5
-rw-r--r--include/scsi/scsi_transport_sas.h5
-rw-r--r--include/scsi/viosrp.h220
7 files changed, 256 insertions, 22 deletions
diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h
index ae25d4ab2..9710254fd 100644
--- a/include/scsi/fc/fc_fip.h
+++ b/include/scsi/fc/fc_fip.h
@@ -22,7 +22,7 @@
/*
* This version is based on:
* http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf
- * and T11 FC-BB-6 10-019v4.pdf (June 2010 VN2VN proposal)
+ * and T11 FC-BB-6 13-091v5.pdf (December 2013 VN2VN proposal)
*/
#define FIP_DEF_PRI 128 /* default selection priority */
@@ -109,8 +109,9 @@ enum fip_reset_subcode {
* Subcodes for FIP_OP_VLAN.
*/
enum fip_vlan_subcode {
- FIP_SC_VL_REQ = 1, /* request */
- FIP_SC_VL_REP = 2, /* reply */
+ FIP_SC_VL_REQ = 1, /* vlan request */
+ FIP_SC_VL_NOTE = 2, /* vlan notification */
+ FIP_SC_VL_VN2VN_NOTE = 3, /* VN2VN vlan notification */
};
/*
@@ -130,6 +131,8 @@ enum fip_vn2vn_subcode {
enum fip_flag {
FIP_FL_FPMA = 0x8000, /* supports FPMA fabric-provided MACs */
FIP_FL_SPMA = 0x4000, /* supports SPMA server-provided MACs */
+ FIP_FL_FCF = 0x0020, /* originated from a controlling FCF */
+ FIP_FL_FDF = 0x0010, /* originated from an FDF */
FIP_FL_REC_OR_P2P = 0x0008, /* configured addr or point-to-point */
FIP_FL_AVAIL = 0x0004, /* available for FLOGI/ELP */
FIP_FL_SOL = 0x0002, /* this is a solicited message */
@@ -161,7 +164,9 @@ enum fip_desc_type {
FIP_DT_VLAN = 14, /* vlan number */
FIP_DT_FC4F = 15, /* FC-4 features */
FIP_DT_LIMIT, /* max defined desc_type + 1 */
- FIP_DT_VENDOR_BASE = 128, /* first vendor-specific desc_type */
+ FIP_DT_NON_CRITICAL = 128, /* First non-critical descriptor */
+ FIP_DT_CLR_VLINKS = 128, /* Clear virtual links reason code */
+ FIP_DT_VENDOR_BASE = 241, /* first vendor-specific desc_type */
};
/*
@@ -259,6 +264,14 @@ enum fip_fka_flags {
/* FIP_DT_FKA flags */
/*
+ * FIP_DT_VLAN descriptor
+ */
+struct fip_vlan_desc {
+ struct fip_desc fd_desc;
+ __be16 fd_vlan; /* Note: highest 4 bytes are unused */
+} __attribute__((packed));
+
+/*
* FIP_DT_FC4F - FC-4 features.
*/
struct fip_fc4_feat {
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 93d14daf0..7428a5325 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -878,6 +878,7 @@ struct fc_lport {
struct libfc_function_template tt;
u8 link_up;
u8 qfull;
+ u16 vlan;
enum fc_lport_state state;
unsigned long boot_time;
struct fc_host_statistics host_stats;
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index de7e3ee60..722d3264d 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -78,10 +78,12 @@ enum fip_state {
* The mode is the state that is to be entered after link up.
* It must not change after fcoe_ctlr_init() sets it.
*/
-#define FIP_MODE_AUTO FIP_ST_AUTO
-#define FIP_MODE_NON_FIP FIP_ST_NON_FIP
-#define FIP_MODE_FABRIC FIP_ST_ENABLED
-#define FIP_MODE_VN2VN FIP_ST_VNMP_START
+enum fip_mode {
+ FIP_MODE_AUTO = FIP_ST_AUTO,
+ FIP_MODE_NON_FIP,
+ FIP_MODE_FABRIC,
+ FIP_MODE_VN2VN,
+};
/**
* struct fcoe_ctlr - FCoE Controller and FIP state
@@ -108,8 +110,10 @@ enum fip_state {
* @flogi_req_send: send of FLOGI requested
* @flogi_count: number of FLOGI attempts in AUTO mode.
* @map_dest: use the FC_MAP mode for destination MAC addresses.
+ * @fip_resp: start FIP VLAN discovery responder
* @spma: supports SPMA server-provided MACs mode
* @probe_tries: number of FC_IDs probed
+ * @priority: DCBx FCoE APP priority
* @dest_addr: MAC address of the selected FC forwarder.
* @ctl_src_addr: the native MAC address of our local port.
* @send: LLD-supplied function to handle sending FIP Ethernet frames
@@ -124,7 +128,7 @@ enum fip_state {
*/
struct fcoe_ctlr {
enum fip_state state;
- enum fip_state mode;
+ enum fip_mode mode;
struct fc_lport *lp;
struct fcoe_fcf *sel_fcf;
struct list_head fcfs;
@@ -147,7 +151,8 @@ struct fcoe_ctlr {
u16 flogi_oxid;
u8 flogi_req_send;
u8 flogi_count;
- u8 map_dest;
+ bool map_dest;
+ bool fip_resp;
u8 spma;
u8 probe_tries;
u8 priority;
@@ -311,7 +316,7 @@ struct fcoe_transport {
struct list_head list;
bool (*match) (struct net_device *device);
int (*alloc) (struct net_device *device);
- int (*create) (struct net_device *device, enum fip_state fip_mode);
+ int (*create) (struct net_device *device, enum fip_mode fip_mode);
int (*destroy) (struct net_device *device);
int (*enable) (struct net_device *device);
int (*disable) (struct net_device *device);
@@ -319,14 +324,16 @@ struct fcoe_transport {
/**
* struct fcoe_percpu_s - The context for FCoE receive thread(s)
- * @thread: The thread context
+ * @kthread: The thread context (used by bnx2fc)
+ * @work: The work item (used by fcoe)
* @fcoe_rx_list: The queue of pending packets to process
* @page: The memory page for calculating frame trailer CRCs
* @crc_eof_offset: The offset into the CRC page pointing to available
* memory for a new trailer
*/
struct fcoe_percpu_s {
- struct task_struct *thread;
+ struct task_struct *kthread;
+ struct work_struct work;
struct sk_buff_head fcoe_rx_list;
struct page *crc_eof_page;
int crc_eof_offset;
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index a6c346df2..8a9563144 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -94,7 +94,6 @@ struct scsi_device {
spinlock_t list_lock;
struct list_head cmd_list; /* queue of in use SCSI Command structures */
struct list_head starved_entry;
- struct scsi_cmnd *current_cmnd; /* currently active command */
unsigned short queue_depth; /* How deep of a queue we want */
unsigned short max_queue_depth; /* max queue depth */
unsigned short last_queue_full_depth; /* These two are used by */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 76e9d278c..7e4cd5313 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -495,9 +495,6 @@ struct scsi_host_template {
*/
unsigned int cmd_size;
struct scsi_host_cmd_pool *cmd_pool;
-
- /* temporary flag to disable blk-mq I/O path */
- bool disable_blk_mq;
};
/*
@@ -774,8 +771,6 @@ static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
shost->tmf_in_progress;
}
-extern bool scsi_use_blk_mq;
-
static inline bool shost_use_blk_mq(struct Scsi_Host *shost)
{
return shost->use_blk_mq;
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 13c0b2ba1..73d870918 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -11,12 +11,12 @@ struct sas_rphy;
struct request;
#if !IS_ENABLED(CONFIG_SCSI_SAS_ATTRS)
-static inline int is_sas_attached(struct scsi_device *sdev)
+static inline int scsi_is_sas_rphy(const struct device *sdev)
{
return 0;
}
#else
-extern int is_sas_attached(struct scsi_device *sdev);
+extern int scsi_is_sas_rphy(const struct device *);
#endif
static inline int sas_protocol_ata(enum sas_protocol proto)
@@ -202,7 +202,6 @@ extern int sas_rphy_add(struct sas_rphy *);
extern void sas_rphy_remove(struct sas_rphy *);
extern void sas_rphy_delete(struct sas_rphy *);
extern void sas_rphy_unlink(struct sas_rphy *);
-extern int scsi_is_sas_rphy(const struct device *);
struct sas_port *sas_port_alloc(struct device *, int);
struct sas_port *sas_port_alloc_num(struct device *);
diff --git a/include/scsi/viosrp.h b/include/scsi/viosrp.h
new file mode 100644
index 000000000..974e07bd8
--- /dev/null
+++ b/include/scsi/viosrp.h
@@ -0,0 +1,220 @@
+/*****************************************************************************/
+/* srp.h -- SCSI RDMA Protocol definitions */
+/* */
+/* Written By: Colin Devilbis, IBM Corporation */
+/* */
+/* Copyright (C) 2003 IBM Corporation */
+/* */
+/* This program is free software; you can redistribute it and/or modify */
+/* it under the terms of the GNU General Public License as published by */
+/* the Free Software Foundation; either version 2 of the License, or */
+/* (at your option) any later version. */
+/* */
+/* This program is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
+/* GNU General Public License for more details. */
+/* */
+/* This file contains structures and definitions for IBM RPA (RS/6000 */
+/* platform architecture) implementation of the SRP (SCSI RDMA Protocol) */
+/* standard. SRP is used on IBM iSeries and pSeries platforms to send SCSI */
+/* commands between logical partitions. */
+/* */
+/* SRP Information Units (IUs) are sent on a "Command/Response Queue" (CRQ) */
+/* between partitions. The definitions in this file are architected, */
+/* and cannot be changed without breaking compatibility with other versions */
+/* of Linux and other operating systems (AIX, OS/400) that talk this protocol*/
+/* between logical partitions */
+/*****************************************************************************/
+#ifndef VIOSRP_H
+#define VIOSRP_H
+#include <scsi/srp.h>
+
+#define SRP_VERSION "16.a"
+#define SRP_MAX_IU_LEN 256
+#define SRP_MAX_LOC_LEN 32
+
+union srp_iu {
+ struct srp_login_req login_req;
+ struct srp_login_rsp login_rsp;
+ struct srp_login_rej login_rej;
+ struct srp_i_logout i_logout;
+ struct srp_t_logout t_logout;
+ struct srp_tsk_mgmt tsk_mgmt;
+ struct srp_cmd cmd;
+ struct srp_rsp rsp;
+ u8 reserved[SRP_MAX_IU_LEN];
+};
+
+enum viosrp_crq_headers {
+ VIOSRP_CRQ_FREE = 0x00,
+ VIOSRP_CRQ_CMD_RSP = 0x80,
+ VIOSRP_CRQ_INIT_RSP = 0xC0,
+ VIOSRP_CRQ_XPORT_EVENT = 0xFF
+};
+
+enum viosrp_crq_init_formats {
+ VIOSRP_CRQ_INIT = 0x01,
+ VIOSRP_CRQ_INIT_COMPLETE = 0x02
+};
+
+enum viosrp_crq_formats {
+ VIOSRP_SRP_FORMAT = 0x01,
+ VIOSRP_MAD_FORMAT = 0x02,
+ VIOSRP_OS400_FORMAT = 0x03,
+ VIOSRP_AIX_FORMAT = 0x04,
+ VIOSRP_LINUX_FORMAT = 0x05,
+ VIOSRP_INLINE_FORMAT = 0x06
+};
+
+enum viosrp_crq_status {
+ VIOSRP_OK = 0x0,
+ VIOSRP_NONRECOVERABLE_ERR = 0x1,
+ VIOSRP_VIOLATES_MAX_XFER = 0x2,
+ VIOSRP_PARTNER_PANIC = 0x3,
+ VIOSRP_DEVICE_BUSY = 0x8,
+ VIOSRP_ADAPTER_FAIL = 0x10,
+ VIOSRP_OK2 = 0x99,
+};
+
+struct viosrp_crq {
+ u8 valid; /* used by RPA */
+ u8 format; /* SCSI vs out-of-band */
+ u8 reserved;
+ u8 status; /* non-scsi failure? (e.g. DMA failure) */
+ __be16 timeout; /* in seconds */
+ __be16 IU_length; /* in bytes */
+ __be64 IU_data_ptr; /* the TCE for transferring data */
+};
+
+/* MADs are Management requests above and beyond the IUs defined in the SRP
+ * standard.
+ */
+enum viosrp_mad_types {
+ VIOSRP_EMPTY_IU_TYPE = 0x01,
+ VIOSRP_ERROR_LOG_TYPE = 0x02,
+ VIOSRP_ADAPTER_INFO_TYPE = 0x03,
+ VIOSRP_CAPABILITIES_TYPE = 0x05,
+ VIOSRP_ENABLE_FAST_FAIL = 0x08,
+};
+
+enum viosrp_mad_status {
+ VIOSRP_MAD_SUCCESS = 0x00,
+ VIOSRP_MAD_NOT_SUPPORTED = 0xF1,
+ VIOSRP_MAD_FAILED = 0xF7,
+};
+
+enum viosrp_capability_type {
+ MIGRATION_CAPABILITIES = 0x01,
+ RESERVATION_CAPABILITIES = 0x02,
+};
+
+enum viosrp_capability_support {
+ SERVER_DOES_NOT_SUPPORTS_CAP = 0x0,
+ SERVER_SUPPORTS_CAP = 0x01,
+ SERVER_CAP_DATA = 0x02,
+};
+
+enum viosrp_reserve_type {
+ CLIENT_RESERVE_SCSI_2 = 0x01,
+};
+
+enum viosrp_capability_flag {
+ CLIENT_MIGRATED = 0x01,
+ CLIENT_RECONNECT = 0x02,
+ CAP_LIST_SUPPORTED = 0x04,
+ CAP_LIST_DATA = 0x08,
+};
+
+/*
+ * Common MAD header
+ */
+struct mad_common {
+ __be32 type;
+ __be16 status;
+ __be16 length;
+ __be64 tag;
+};
+
+/*
+ * All SRP (and MAD) requests normally flow from the
+ * client to the server. There is no way for the server to send
+ * an asynchronous message back to the client. The Empty IU is used
+ * to hang out a meaningless request to the server so that it can respond
+ * asynchrouously with something like a SCSI AER
+ */
+struct viosrp_empty_iu {
+ struct mad_common common;
+ __be64 buffer;
+ __be32 port;
+};
+
+struct viosrp_error_log {
+ struct mad_common common;
+ __be64 buffer;
+};
+
+struct viosrp_adapter_info {
+ struct mad_common common;
+ __be64 buffer;
+};
+
+struct viosrp_fast_fail {
+ struct mad_common common;
+};
+
+struct viosrp_capabilities {
+ struct mad_common common;
+ __be64 buffer;
+};
+
+struct mad_capability_common {
+ __be32 cap_type;
+ __be16 length;
+ __be16 server_support;
+};
+
+struct mad_reserve_cap {
+ struct mad_capability_common common;
+ __be32 type;
+};
+
+struct mad_migration_cap {
+ struct mad_capability_common common;
+ __be32 ecl;
+};
+
+struct capabilities {
+ __be32 flags;
+ char name[SRP_MAX_LOC_LEN];
+ char loc[SRP_MAX_LOC_LEN];
+ struct mad_migration_cap migration;
+ struct mad_reserve_cap reserve;
+};
+
+union mad_iu {
+ struct viosrp_empty_iu empty_iu;
+ struct viosrp_error_log error_log;
+ struct viosrp_adapter_info adapter_info;
+ struct viosrp_fast_fail fast_fail;
+ struct viosrp_capabilities capabilities;
+};
+
+union viosrp_iu {
+ union srp_iu srp;
+ union mad_iu mad;
+};
+
+struct mad_adapter_info_data {
+ char srp_version[8];
+ char partition_name[96];
+ __be32 partition_number;
+#define SRP_MAD_VERSION_1 1
+ __be32 mad_version;
+#define SRP_MAD_OS_LINUX 2
+#define SRP_MAD_OS_AIX 3
+ __be32 os_type;
+ __be32 port_max_txu[8]; /* per-port maximum transfer */
+};
+
+#endif