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-rw-r--r--drivers/scsi/libfc/fc_lport.c227
-rw-r--r--include/scsi/fc/fc_ms.h213
-rw-r--r--include/scsi/fc_encode.h303
-rw-r--r--include/scsi/libfc.h11
4 files changed, 751 insertions, 3 deletions
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 83750ebb527f..9a0b2a9caad6 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -116,6 +116,8 @@ static void fc_lport_enter_ns(struct fc_lport *, enum fc_lport_state);
static void fc_lport_enter_scr(struct fc_lport *);
static void fc_lport_enter_ready(struct fc_lport *);
static void fc_lport_enter_logo(struct fc_lport *);
+static void fc_lport_enter_fdmi(struct fc_lport *lport);
+static void fc_lport_enter_ms(struct fc_lport *, enum fc_lport_state);
static const char *fc_lport_state_names[] = {
[LPORT_ST_DISABLED] = "disabled",
@@ -126,6 +128,11 @@ static const char *fc_lport_state_names[] = {
[LPORT_ST_RSPN_ID] = "RSPN_ID",
[LPORT_ST_RFT_ID] = "RFT_ID",
[LPORT_ST_RFF_ID] = "RFF_ID",
+ [LPORT_ST_FDMI] = "FDMI",
+ [LPORT_ST_RHBA] = "RHBA",
+ [LPORT_ST_RPA] = "RPA",
+ [LPORT_ST_DHBA] = "DHBA",
+ [LPORT_ST_DPRT] = "DPRT",
[LPORT_ST_SCR] = "SCR",
[LPORT_ST_READY] = "Ready",
[LPORT_ST_LOGO] = "LOGO",
@@ -183,11 +190,14 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
if (lport->state == LPORT_ST_DNS) {
lport->dns_rdata = rdata;
fc_lport_enter_ns(lport, LPORT_ST_RNN_ID);
+ } else if (lport->state == LPORT_ST_FDMI) {
+ lport->ms_rdata = rdata;
+ fc_lport_enter_ms(lport, LPORT_ST_DHBA);
} else {
FC_LPORT_DBG(lport, "Received an READY event "
"on port (%6.6x) for the directory "
"server, but the lport is not "
- "in the DNS state, it's in the "
+ "in the DNS or FDMI state, it's in the "
"%d state", rdata->ids.port_id,
lport->state);
lport->tt.rport_logoff(rdata);
@@ -196,7 +206,10 @@ static void fc_lport_rport_callback(struct fc_lport *lport,
case RPORT_EV_LOGO:
case RPORT_EV_FAILED:
case RPORT_EV_STOP:
- lport->dns_rdata = NULL;
+ if (rdata->ids.port_id == FC_FID_DIR_SERV)
+ lport->dns_rdata = NULL;
+ else if (rdata->ids.port_id == FC_FID_MGMT_SERV)
+ lport->ms_rdata = NULL;
break;
case RPORT_EV_NONE:
break;
@@ -1148,7 +1161,10 @@ static void fc_lport_ns_resp(struct fc_seq *sp, struct fc_frame *fp,
fc_lport_enter_ns(lport, LPORT_ST_RFF_ID);
break;
case LPORT_ST_RFF_ID:
- fc_lport_enter_scr(lport);
+ if (lport->fdmi_enabled)
+ fc_lport_enter_fdmi(lport);
+ else
+ fc_lport_enter_scr(lport);
break;
default:
/* should have already been caught by state checks */
@@ -1163,6 +1179,85 @@ err:
}
/**
+ * fc_lport_ms_resp() - Handle response to a management server
+ * exchange
+ * @sp: current sequence in exchange
+ * @fp: response frame
+ * @lp_arg: Fibre Channel host port instance
+ *
+ * Locking Note: This function will be called without the lport lock
+ * held, but it will lock, call an _enter_* function or fc_lport_error()
+ * and then unlock the lport.
+ */
+static void fc_lport_ms_resp(struct fc_seq *sp, struct fc_frame *fp,
+ void *lp_arg)
+{
+ struct fc_lport *lport = lp_arg;
+ struct fc_frame_header *fh;
+ struct fc_ct_hdr *ct;
+
+ FC_LPORT_DBG(lport, "Received a ms %s\n", fc_els_resp_type(fp));
+
+ if (fp == ERR_PTR(-FC_EX_CLOSED))
+ return;
+
+ mutex_lock(&lport->lp_mutex);
+
+ if (lport->state < LPORT_ST_RHBA || lport->state > LPORT_ST_DPRT) {
+ FC_LPORT_DBG(lport, "Received a management server response, "
+ "but in state %s\n", fc_lport_state(lport));
+ if (IS_ERR(fp))
+ goto err;
+ goto out;
+ }
+
+ if (IS_ERR(fp)) {
+ fc_lport_error(lport, fp);
+ goto err;
+ }
+
+ fh = fc_frame_header_get(fp);
+ ct = fc_frame_payload_get(fp, sizeof(*ct));
+
+ if (fh && ct && fh->fh_type == FC_TYPE_CT &&
+ ct->ct_fs_type == FC_FST_MGMT &&
+ ct->ct_fs_subtype == FC_FDMI_SUBTYPE) {
+ FC_LPORT_DBG(lport, "Received a management server response, "
+ "reason=%d explain=%d\n",
+ ct->ct_reason,
+ ct->ct_explan);
+
+ switch (lport->state) {
+ case LPORT_ST_RHBA:
+ if (ntohs(ct->ct_cmd) == FC_FS_ACC)
+ fc_lport_enter_ms(lport, LPORT_ST_RPA);
+ else /* Error Skip RPA */
+ fc_lport_enter_scr(lport);
+ break;
+ case LPORT_ST_RPA:
+ fc_lport_enter_scr(lport);
+ break;
+ case LPORT_ST_DPRT:
+ fc_lport_enter_ms(lport, LPORT_ST_RHBA);
+ break;
+ case LPORT_ST_DHBA:
+ fc_lport_enter_ms(lport, LPORT_ST_DPRT);
+ break;
+ default:
+ /* should have already been caught by state checks */
+ break;
+ }
+ } else {
+ /* Invalid Frame? */
+ fc_lport_error(lport, fp);
+ }
+out:
+ fc_frame_free(fp);
+err:
+ mutex_unlock(&lport->lp_mutex);
+}
+
+/**
* fc_lport_scr_resp() - Handle response to State Change Register (SCR) request
* @sp: current sequence in SCR exchange
* @fp: response frame
@@ -1339,6 +1434,123 @@ err:
}
/**
+ * fc_lport_enter_ms() - management server commands
+ * @lport: Fibre Channel local port to register
+ *
+ * Locking Note: The lport lock is expected to be held before calling
+ * this routine.
+ */
+static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
+{
+ struct fc_frame *fp;
+ enum fc_fdmi_req cmd;
+ int size = sizeof(struct fc_ct_hdr);
+ size_t len;
+ int numattrs;
+
+ FC_LPORT_DBG(lport, "Entered %s state from %s state\n",
+ fc_lport_state_names[state],
+ fc_lport_state(lport));
+
+ fc_lport_state_enter(lport, state);
+
+ switch (state) {
+ case LPORT_ST_RHBA:
+ cmd = FC_FDMI_RHBA;
+ /* Number of HBA Attributes */
+ numattrs = 10;
+ len = sizeof(struct fc_fdmi_rhba);
+ len -= sizeof(struct fc_fdmi_attr_entry);
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+ len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
+ len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
+ len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
+ len += FC_FDMI_HBA_ATTR_MODEL_LEN;
+ len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
+ len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
+
+ size += len;
+ break;
+ case LPORT_ST_RPA:
+ cmd = FC_FDMI_RPA;
+ /* Number of Port Attributes */
+ numattrs = 6;
+ len = sizeof(struct fc_fdmi_rpa);
+ len -= sizeof(struct fc_fdmi_attr_entry);
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+ len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
+ len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
+ len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
+ len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;
+ len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
+ len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
+
+ size += len;
+ break;
+ case LPORT_ST_DPRT:
+ cmd = FC_FDMI_DPRT;
+ len = sizeof(struct fc_fdmi_dprt);
+ size += len;
+ break;
+ case LPORT_ST_DHBA:
+ cmd = FC_FDMI_DHBA;
+ len = sizeof(struct fc_fdmi_dhba);
+ size += len;
+ break;
+ default:
+ fc_lport_error(lport, NULL);
+ return;
+ }
+
+ FC_LPORT_DBG(lport, "Cmd=0x%x Len %d size %d\n",
+ cmd, (int)len, size);
+ fp = fc_frame_alloc(lport, size);
+ if (!fp) {
+ fc_lport_error(lport, fp);
+ return;
+ }
+
+ if (!lport->tt.elsct_send(lport, FC_FID_MGMT_SERV, fp, cmd,
+ fc_lport_ms_resp,
+ lport, 3 * lport->r_a_tov))
+ fc_lport_error(lport, fp);
+}
+
+/**
+ * fc_rport_enter_fdmi() - Create a fc_rport for the management server
+ * @lport: The local port requesting a remote port for the management server
+ *
+ * Locking Note: The lport lock is expected to be held before calling
+ * this routine.
+ */
+static void fc_lport_enter_fdmi(struct fc_lport *lport)
+{
+ struct fc_rport_priv *rdata;
+
+ FC_LPORT_DBG(lport, "Entered FDMI state from %s state\n",
+ fc_lport_state(lport));
+
+ fc_lport_state_enter(lport, LPORT_ST_FDMI);
+
+ mutex_lock(&lport->disc.disc_mutex);
+ rdata = lport->tt.rport_create(lport, FC_FID_MGMT_SERV);
+ mutex_unlock(&lport->disc.disc_mutex);
+ if (!rdata)
+ goto err;
+
+ rdata->ops = &fc_lport_rport_ops;
+ lport->tt.rport_login(rdata);
+ return;
+
+err:
+ fc_lport_error(lport, NULL);
+}
+
+/**
* fc_lport_timeout() - Handler for the retry_work timer
* @work: The work struct of the local port
*/
@@ -1371,6 +1583,15 @@ static void fc_lport_timeout(struct work_struct *work)
case LPORT_ST_RFF_ID:
fc_lport_enter_ns(lport, lport->state);
break;
+ case LPORT_ST_FDMI:
+ fc_lport_enter_fdmi(lport);
+ break;
+ case LPORT_ST_RHBA:
+ case LPORT_ST_RPA:
+ case LPORT_ST_DHBA:
+ case LPORT_ST_DPRT:
+ fc_lport_enter_ms(lport, lport->state);
+ break;
case LPORT_ST_SCR:
fc_lport_enter_scr(lport);
break;
diff --git a/include/scsi/fc/fc_ms.h b/include/scsi/fc/fc_ms.h
new file mode 100644
index 000000000000..f52b921b5c70
--- /dev/null
+++ b/include/scsi/fc/fc_ms.h
@@ -0,0 +1,213 @@
+/* * Copyright(c) 2011 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Maintained at www.Open-FCoE.org
+ */
+
+#ifndef _FC_MS_H_
+#define _FC_MS_H_
+
+#include <linux/types.h>
+
+/*
+ * Fibre Channel Services - Management Service (MS)
+ * From T11.org FC-GS-4 Rev 7.91 February 4, 2004
+ */
+
+/*
+ * Fabric Device Management Interface
+ */
+
+/*
+ * Common-transport sub-type for FDMI
+ */
+#define FC_FDMI_SUBTYPE 0x10 /* fs_ct_hdr.ct_fs_subtype */
+
+/*
+ * Management server FDMI Requests.
+ */
+enum fc_fdmi_req {
+ FC_FDMI_GRHL = 0x0100, /* Get Registered HBA List */
+ FC_FDMI_GHAT = 0x0101, /* Get HBA Attributes */
+ FC_FDMI_GRPL = 0x0102, /* Get Registered Port List */
+ FC_FDMI_GPAT = 0x0110, /* Get Port Attributes */
+ FC_FDMI_RHBA = 0x0200, /* Register HBA */
+ FC_FDMI_RHAT = 0x0201, /* Register HBA Attributes */
+ FC_FDMI_RPRT = 0x0210, /* Register Port */
+ FC_FDMI_RPA = 0x0211, /* Register Port Attributes */
+ FC_FDMI_DHBA = 0x0300, /* Deregister HBA */
+ FC_FDMI_DHAT = 0x0301, /* Deregister HBA Attributes */
+ FC_FDMI_DPRT = 0x0310, /* Deregister Port */
+ FC_FDMI_DPA = 0x0311, /* Deregister Port Attributes */
+};
+
+/*
+ * HBA Attribute Entry Type
+ */
+enum fc_fdmi_hba_attr_type {
+ FC_FDMI_HBA_ATTR_NODENAME = 0x0001,
+ FC_FDMI_HBA_ATTR_MANUFACTURER = 0x0002,
+ FC_FDMI_HBA_ATTR_SERIALNUMBER = 0x0003,
+ FC_FDMI_HBA_ATTR_MODEL = 0x0004,
+ FC_FDMI_HBA_ATTR_MODELDESCRIPTION = 0x0005,
+ FC_FDMI_HBA_ATTR_HARDWAREVERSION = 0x0006,
+ FC_FDMI_HBA_ATTR_DRIVERVERSION = 0x0007,
+ FC_FDMI_HBA_ATTR_OPTIONROMVERSION = 0x0008,
+ FC_FDMI_HBA_ATTR_FIRMWAREVERSION = 0x0009,
+ FC_FDMI_HBA_ATTR_OSNAMEVERSION = 0x000A,
+ FC_FDMI_HBA_ATTR_MAXCTPAYLOAD = 0x000B,
+};
+
+/*
+ * HBA Attribute Length
+ */
+#define FC_FDMI_HBA_ATTR_NODENAME_LEN 8
+#define FC_FDMI_HBA_ATTR_MANUFACTURER_LEN 64
+#define FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN 64
+#define FC_FDMI_HBA_ATTR_MODEL_LEN 256
+#define FC_FDMI_HBA_ATTR_MODELDESCR_LEN 256
+#define FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN 256
+#define FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN 256
+#define FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN 256
+#define FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN 256
+#define FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN 256
+#define FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN 4
+
+/*
+ * Port Attribute Type
+ */
+enum fc_fdmi_port_attr_type {
+ FC_FDMI_PORT_ATTR_FC4TYPES = 0x0001,
+ FC_FDMI_PORT_ATTR_SUPPORTEDSPEED = 0x0002,
+ FC_FDMI_PORT_ATTR_CURRENTPORTSPEED = 0x0003,
+ FC_FDMI_PORT_ATTR_MAXFRAMESIZE = 0x0004,
+ FC_FDMI_PORT_ATTR_OSDEVICENAME = 0x0005,
+ FC_FDMI_PORT_ATTR_HOSTNAME = 0x0006,
+};
+
+/*
+ * Port Attribute Length
+ */
+#define FC_FDMI_PORT_ATTR_FC4TYPES_LEN 32
+#define FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN 4
+#define FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN 4
+#define FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN 4
+#define FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN 256
+#define FC_FDMI_PORT_ATTR_HOSTNAME_LEN 256
+
+/*
+ * HBA Attribute ID
+ */
+struct fc_fdmi_hba_identifier {
+ __be64 id;
+};
+
+/*
+ * Port Name
+ */
+struct fc_fdmi_port_name {
+ __be64 portname;
+};
+
+/*
+ * Attribute Entry Block for HBA/Port Attributes
+ */
+#define FC_FDMI_ATTR_ENTRY_HEADER_LEN 4
+struct fc_fdmi_attr_entry {
+ __be16 type;
+ __be16 len;
+ __u8 value[1];
+} __attribute__((__packed__));
+
+/*
+ * Common for HBA/Port Attributes
+ */
+struct fs_fdmi_attrs {
+ __be32 numattrs;
+ struct fc_fdmi_attr_entry attr[1];
+} __attribute__((__packed__));
+
+/*
+ * Registered Port List
+ */
+struct fc_fdmi_rpl {
+ __be32 numport;
+ struct fc_fdmi_port_name port[1];
+} __attribute__((__packed__));
+
+/*
+ * Register HBA (RHBA)
+ */
+struct fc_fdmi_rhba {
+ struct fc_fdmi_hba_identifier hbaid;
+ struct fc_fdmi_rpl port;
+ struct fs_fdmi_attrs hba_attrs;
+} __attribute__((__packed__));
+
+/*
+ * Register HBA Attributes (RHAT)
+ */
+struct fc_fdmi_rhat {
+ struct fc_fdmi_hba_identifier hbaid;
+ struct fs_fdmi_attrs hba_attrs;
+} __attribute__((__packed__));
+
+/*
+ * Register Port (RPRT)
+ */
+struct fc_fdmi_rprt {
+ struct fc_fdmi_hba_identifier hbaid;
+ struct fc_fdmi_port_name port;
+ struct fs_fdmi_attrs hba_attrs;
+} __attribute__((__packed__));
+
+/*
+ * Register Port Attributes (RPA)
+ */
+struct fc_fdmi_rpa {
+ struct fc_fdmi_port_name port;
+ struct fs_fdmi_attrs hba_attrs;
+} __attribute__((__packed__));
+
+/*
+ * Deregister Port (DPRT)
+ */
+struct fc_fdmi_dprt {
+ struct fc_fdmi_port_name port;
+} __attribute__((__packed__));
+
+/*
+ * Deregister Port Attributes (DPA)
+ */
+struct fc_fdmi_dpa {
+ struct fc_fdmi_port_name port;
+ struct fs_fdmi_attrs hba_attrs;
+} __attribute__((__packed__));
+
+/*
+ * Deregister HBA Attributes (DHAT)
+ */
+struct fc_fdmi_dhat {
+ struct fc_fdmi_hba_identifier hbaid;
+} __attribute__((__packed__));
+
+/*
+ * Deregister HBA (DHBA)
+ */
+struct fc_fdmi_dhba {
+ struct fc_fdmi_hba_identifier hbaid;
+} __attribute__((__packed__));
+
+#endif /* _FC_MS_H_ */
diff --git a/include/scsi/fc_encode.h b/include/scsi/fc_encode.h
index 73bc43329f86..35fd4744f3e9 100644
--- a/include/scsi/fc_encode.h
+++ b/include/scsi/fc_encode.h
@@ -20,6 +20,7 @@
#ifndef _FC_ENCODE_H_
#define _FC_ENCODE_H_
#include <asm/unaligned.h>
+#include <linux/utsname.h>
/*
* F_CTL values for simple requests and responses.
@@ -43,6 +44,10 @@ struct fc_ct_req {
struct fc_ns_fid fid;
struct fc_ns_rsnn snn;
struct fc_ns_rspn spn;
+ struct fc_fdmi_rhba rhba;
+ struct fc_fdmi_rpa rpa;
+ struct fc_fdmi_dprt dprt;
+ struct fc_fdmi_dhba dhba;
} payload;
};
@@ -199,6 +204,300 @@ static inline int fc_ct_ns_fill(struct fc_lport *lport,
}
/**
+ * fc_ct_ms_fill() - Fill in a mgmt service request frame
+ * @lport: local port.
+ * @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.
+ * @fp: frame to contain payload.
+ * @op: CT opcode.
+ * @r_ctl: pointer to FC header R_CTL.
+ * @fh_type: pointer to FC-4 type.
+ */
+static inline int fc_ct_ms_fill(struct fc_lport *lport,
+ u32 fc_id, struct fc_frame *fp,
+ unsigned int op, enum fc_rctl *r_ctl,
+ enum fc_fh_type *fh_type)
+{
+ struct fc_ct_req *ct;
+ size_t len;
+ struct fc_fdmi_attr_entry *entry;
+ struct fs_fdmi_attrs *hba_attrs;
+ int numattrs = 0;
+
+ switch (op) {
+ case FC_FDMI_RHBA:
+ numattrs = 10;
+ len = sizeof(struct fc_fdmi_rhba);
+ len -= sizeof(struct fc_fdmi_attr_entry);
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+ len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
+ len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
+ len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
+ len += FC_FDMI_HBA_ATTR_MODEL_LEN;
+ len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
+ len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
+ ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
+ FC_FDMI_SUBTYPE);
+
+ /* HBA Identifier */
+ put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id);
+ /* Number of Ports - always 1 */
+ put_unaligned_be32(1, &ct->payload.rhba.port.numport);
+ /* Port Name */
+ put_unaligned_be64(lport->wwpn,
+ &ct->payload.rhba.port.port[0].portname);
+
+ /* HBA Attributes */
+ put_unaligned_be32(numattrs,
+ &ct->payload.rhba.hba_attrs.numattrs);
+ hba_attrs = &ct->payload.rhba.hba_attrs;
+ entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;
+ /* NodeName*/
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ put_unaligned_be64(lport->wwnn,
+ (__be64 *)&entry->value[0]);
+
+ /* Manufacturer */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_NODENAME_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_manufacturer(lport->host),
+ FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);
+
+ /* SerialNumber */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_serial_number(lport->host),
+ FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);
+
+ /* Model */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_MODEL_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_model(lport->host),
+ FC_FDMI_HBA_ATTR_MODEL_LEN);
+
+ /* Model Description */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_MODEL_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_model_description(lport->host),
+ FC_FDMI_HBA_ATTR_MODELDESCR_LEN);
+
+ /* Hardware Version */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_MODELDESCR_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_hardware_version(lport->host),
+ FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);
+
+ /* Driver Version */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_driver_version(lport->host),
+ FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);
+
+ /* OptionROM Version */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_optionrom_version(lport->host),
+ FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);
+
+ /* Firmware Version */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ strncpy((char *)&entry->value,
+ fc_host_firmware_version(lport->host),
+ FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);
+
+ /* OS Name and Version */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
+ put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ snprintf((char *)&entry->value,
+ FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN,
+ "%s v%s",
+ init_utsname()->sysname,
+ init_utsname()->release);
+ break;
+ case FC_FDMI_RPA:
+ numattrs = 6;
+ len = sizeof(struct fc_fdmi_rpa);
+ len -= sizeof(struct fc_fdmi_attr_entry);
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+ len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
+ len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
+ len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
+ len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;
+ len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
+ len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
+ ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
+ FC_FDMI_SUBTYPE);
+
+ /* Port Name */
+ put_unaligned_be64(lport->wwpn,
+ &ct->payload.rpa.port.portname);
+
+ /* Port Attributes */
+ put_unaligned_be32(numattrs,
+ &ct->payload.rpa.hba_attrs.numattrs);
+
+ hba_attrs = &ct->payload.rpa.hba_attrs;
+ entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;
+
+ /* FC4 types */
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
+ put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ memcpy(&entry->value, fc_host_supported_fc4s(lport->host),
+ FC_FDMI_PORT_ATTR_FC4TYPES_LEN);
+
+ /* Supported Speed */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_PORT_ATTR_FC4TYPES_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
+ put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDSPEED,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+
+ put_unaligned_be32(fc_host_supported_speeds(lport->host),
+ &entry->value);
+
+ /* Current Port Speed */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
+ put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTPORTSPEED,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ put_unaligned_be32(lport->link_speed,
+ &entry->value);
+
+ /* Max Frame Size */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;
+ put_unaligned_be16(FC_FDMI_PORT_ATTR_MAXFRAMESIZE,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ put_unaligned_be32(fc_host_maxframe_size(lport->host),
+ &entry->value);
+
+ /* OS Device Name */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
+ put_unaligned_be16(FC_FDMI_PORT_ATTR_OSDEVICENAME,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ /* Use the sysfs device name */
+ strncpy((char *)&entry->value,
+ dev_name(&lport->host->shost_gendev),
+ strnlen(dev_name(&lport->host->shost_gendev),
+ FC_FDMI_PORT_ATTR_HOSTNAME_LEN));
+
+ /* Host Name */
+ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
+ FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN);
+ len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
+ len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
+ put_unaligned_be16(FC_FDMI_PORT_ATTR_HOSTNAME,
+ &entry->type);
+ put_unaligned_be16(len, &entry->len);
+ if (strlen(fc_host_system_hostname(lport->host)))
+ strncpy((char *)&entry->value,
+ fc_host_system_hostname(lport->host),
+ strnlen(fc_host_system_hostname(lport->host),
+ FC_FDMI_PORT_ATTR_HOSTNAME_LEN));
+ else
+ strncpy((char *)&entry->value,
+ init_utsname()->nodename,
+ FC_FDMI_PORT_ATTR_HOSTNAME_LEN);
+ break;
+ case FC_FDMI_DPRT:
+ len = sizeof(struct fc_fdmi_dprt);
+ ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
+ FC_FDMI_SUBTYPE);
+ /* Port Name */
+ put_unaligned_be64(lport->wwpn,
+ &ct->payload.dprt.port.portname);
+ break;
+ case FC_FDMI_DHBA:
+ len = sizeof(struct fc_fdmi_dhba);
+ ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
+ FC_FDMI_SUBTYPE);
+ /* HBA Identifier */
+ put_unaligned_be64(lport->wwpn, &ct->payload.dhba.hbaid.id);
+ break;
+ default:
+ return -EINVAL;
+ }
+ *r_ctl = FC_RCTL_DD_UNSOL_CTL;
+ *fh_type = FC_TYPE_CT;
+ return 0;
+}
+
+/**
* fc_ct_fill() - Fill in a common transport service request frame
* @lport: local port.
* @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.
@@ -215,6 +514,10 @@ static inline int fc_ct_fill(struct fc_lport *lport,
int rc = -EINVAL;
switch (fc_id) {
+ case FC_FID_MGMT_SERV:
+ rc = fc_ct_ms_fill(lport, fc_id, fp, op, r_ctl, fh_type);
+ *did = FC_FID_MGMT_SERV;
+ break;
case FC_FID_DIR_SERV:
default:
rc = fc_ct_ns_fill(lport, fc_id, fp, op, r_ctl, fh_type);
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 6a3922fe0be0..8f9dfba3fcf0 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -30,6 +30,7 @@
#include <scsi/fc/fc_fcp.h>
#include <scsi/fc/fc_ns.h>
+#include <scsi/fc/fc_ms.h>
#include <scsi/fc/fc_els.h>
#include <scsi/fc/fc_gs.h>
@@ -52,6 +53,8 @@
* @LPORT_ST_RPN_ID: Register port name by ID (RPN_ID) sent
* @LPORT_ST_RFT_ID: Register Fibre Channel types by ID (RFT_ID) sent
* @LPORT_ST_RFF_ID: Register FC-4 Features by ID (RFF_ID) sent
+ * @LPORT_ST_FDMI: Waiting for mgmt server rport to become ready
+ * @LPORT_ST_RHBA:
* @LPORT_ST_SCR: State Change Register (SCR) sent
* @LPORT_ST_READY: Ready for use
* @LPORT_ST_LOGO: Local port logout (LOGO) sent
@@ -66,6 +69,11 @@ enum fc_lport_state {
LPORT_ST_RSPN_ID,
LPORT_ST_RFT_ID,
LPORT_ST_RFF_ID,
+ LPORT_ST_FDMI,
+ LPORT_ST_RHBA,
+ LPORT_ST_RPA,
+ LPORT_ST_DHBA,
+ LPORT_ST_DPRT,
LPORT_ST_SCR,
LPORT_ST_READY,
LPORT_ST_LOGO,
@@ -797,6 +805,7 @@ enum fc_lport_event {
* @host: The SCSI host associated with a local port
* @ema_list: Exchange manager anchor list
* @dns_rdata: The directory server remote port
+ * @ms_rdata: The management server remote port
* @ptp_rdata: Point to point remote port
* @scsi_priv: FCP layer internal data
* @disc: Discovery context
@@ -842,6 +851,7 @@ struct fc_lport {
struct Scsi_Host *host;
struct list_head ema_list;
struct fc_rport_priv *dns_rdata;
+ struct fc_rport_priv *ms_rdata;
struct fc_rport_priv *ptp_rdata;
void *scsi_priv;
struct fc_disc disc;
@@ -877,6 +887,7 @@ struct fc_lport {
u32 does_npiv:1;
u32 npiv_enabled:1;
u32 point_to_multipoint:1;
+ u32 fdmi_enabled:1;
u32 mfs;
u8 max_retry_count;
u8 max_rport_retry_count;