-/*
- * This file is part of the zfcp device driver for
- * FCP adapters for IBM System z9 and zSeries.
+/*
+ * zfcp device driver
*
- * (C) Copyright IBM Corp. 2002, 2006
- *
- * 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, 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.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Interface to the FSF support functions.
+ *
+ * Copyright IBM Corporation 2002, 2008
*/
#ifndef FSF_H
#define FSF_H
+#include <linux/pfn.h>
+
#define FSF_QTCB_CURRENT_VERSION 0x00000001
/* FSF commands */
#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010
#define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020
#define FSF_FEATURE_UPDATE_ALERT 0x00000100
+#define FSF_FEATURE_MEASUREMENT_DATA 0x00000200
/* host connection features */
#define FSF_FEATURE_NPIV_MODE 0x00000001
#define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000
#define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000
+/* FSF interface for CFDC */
+#define ZFCP_CFDC_MAX_SIZE 127 * 1024
+#define ZFCP_CFDC_PAGES PFN_UP(ZFCP_CFDC_MAX_SIZE)
+
+struct zfcp_fsf_cfdc {
+ struct scatterlist sg[ZFCP_CFDC_PAGES];
+ u32 command;
+ u32 option;
+};
+
struct fsf_queue_designator {
u8 cssid;
u8 chpid;
u32 current_transmit_b2b_credit;
} __attribute__ ((packed));
+struct fsf_link_down_info {
+ u32 error_code;
+ u32 res1;
+ u8 res2[2];
+ u8 primary_status;
+ u8 ioerr_code;
+ u8 action_code;
+ u8 reason_code;
+ u8 explanation_code;
+ u8 vendor_specific_code;
+} __attribute__ ((packed));
+
struct fsf_status_read_buffer {
u32 status_type;
u32 status_subtype;
u32 class;
u64 fcp_lun;
u8 res3[24];
- u8 payload[FSF_STATUS_READ_PAYLOAD_SIZE];
+ union {
+ u8 data[FSF_STATUS_READ_PAYLOAD_SIZE];
+ u32 word[FSF_STATUS_READ_PAYLOAD_SIZE/sizeof(u32)];
+ struct fsf_link_down_info link_down_info;
+ struct fsf_bit_error_payload bit_error;
+ } payload;
} __attribute__ ((packed));
struct fsf_qual_version_error {
u32 res1[3];
} __attribute__ ((packed));
-struct fsf_link_down_info {
- u32 error_code;
- u32 res1;
- u8 res2[2];
- u8 primary_status;
- u8 ioerr_code;
- u8 action_code;
- u8 reason_code;
- u8 explanation_code;
- u8 vendor_specific_code;
+struct fsf_qual_latency_info {
+ u32 channel_lat;
+ u32 fabric_lat;
+ u8 res1[8];
} __attribute__ ((packed));
union fsf_prot_status_qual {
+ u32 word[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u32)];
u64 doubleword[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u64)];
struct fsf_qual_version_error version_error;
struct fsf_qual_sequence_error sequence_error;
struct fsf_link_down_info link_down_info;
+ struct fsf_qual_latency_info latency_info;
} __attribute__ ((packed));
struct fsf_qtcb_prefix {
u8 res1[20];
} __attribute__ ((packed));
+struct fsf_statistics_info {
+ u64 input_req;
+ u64 output_req;
+ u64 control_req;
+ u64 input_mb;
+ u64 output_mb;
+ u64 seconds_act;
+} __attribute__ ((packed));
+
union fsf_status_qual {
u8 byte[FSF_STATUS_QUALIFIER_SIZE];
u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)];
u32 fc_link_speed;
u32 adapter_type;
u32 peer_d_id;
- u8 res2[12];
+ u8 res1[2];
+ u16 timer_interval;
+ u8 res2[8];
u32 s_id;
struct fsf_nport_serv_param nport_serv_param;
u8 reserved_nport_serv_param[16];
u32 hardware_version;
u8 serial_number[32];
struct fsf_nport_serv_param plogi_payload;
- u8 res4[160];
+ struct fsf_statistics_info stat_info;
+ u8 res4[112];
} __attribute__ ((packed));
struct fsf_qtcb_bottom_port {
u64 control_requests;
u64 input_mb; /* where 1 MByte == 1.000.000 Bytes */
u64 output_mb; /* where 1 MByte == 1.000.000 Bytes */
- u8 res2[256];
+ u8 cp_util;
+ u8 cb_util;
+ u8 a_util;
+ u8 res2[253];
} __attribute__ ((packed));
union fsf_qtcb_bottom {