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Message-Id: <1345760873-12101-7-git-send-email-naresh@chelsio.com>
Date: Fri, 24 Aug 2012 03:57:51 +0530
From: Naresh Kumar Inna <naresh@...lsio.com>
To: JBottomley@...allels.com, linux-scsi@...r.kernel.org,
dm@...lsio.com
Cc: netdev@...r.kernel.org, naresh@...lsio.com, chethan@...lsio.com
Subject: [PATCH 6/8] csiostor: Chelsio FCoE offload driver submission (headers part 1).
This patch contains the first set of the header files for csiostor driver.
Signed-off-by: Naresh Kumar Inna <naresh@...lsio.com>
---
drivers/scsi/csiostor/csio_defs.h | 143 ++++++
drivers/scsi/csiostor/csio_fcoe_proto.h | 843 +++++++++++++++++++++++++++++++
drivers/scsi/csiostor/csio_hw.h | 668 ++++++++++++++++++++++++
drivers/scsi/csiostor/csio_init.h | 158 ++++++
4 files changed, 1812 insertions(+), 0 deletions(-)
create mode 100644 drivers/scsi/csiostor/csio_defs.h
create mode 100644 drivers/scsi/csiostor/csio_fcoe_proto.h
create mode 100644 drivers/scsi/csiostor/csio_hw.h
create mode 100644 drivers/scsi/csiostor/csio_init.h
diff --git a/drivers/scsi/csiostor/csio_defs.h b/drivers/scsi/csiostor/csio_defs.h
new file mode 100644
index 0000000..4f1c713
--- /dev/null
+++ b/drivers/scsi/csiostor/csio_defs.h
@@ -0,0 +1,143 @@
+/*
+ * This file is part of the Chelsio FCoE driver for Linux.
+ *
+ * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __CSIO_DEFS_H__
+#define __CSIO_DEFS_H__
+
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/list.h>
+#include <linux/bug.h>
+#include <linux/pci.h>
+#include <linux/jiffies.h>
+
+/* Function returns */
+enum csio_retval {
+ CSIO_SUCCESS = 0,
+ CSIO_INVAL = 1,
+ CSIO_BUSY = 2,
+ CSIO_NOSUPP = 3,
+ CSIO_TIMEOUT = 4,
+ CSIO_NOMEM = 5,
+ CSIO_NOPERM = 6,
+ CSIO_RETRY = 7,
+ CSIO_EPROTO = 8,
+ CSIO_EIO = 9,
+ CSIO_CANCELLED = 10,
+};
+
+#define csio_retval_t enum csio_retval
+
+enum {
+ CSIO_FALSE = 0,
+ CSIO_TRUE = 1,
+};
+
+#define CSIO_ROUNDUP(__v, __r) (((__v) + (__r) - 1) / (__r))
+#define CSIO_INVALID_IDX 0xFFFFFFFF
+#define csio_inc_stats(elem, val) ((elem)->stats.val++)
+#define csio_dec_stats(elem, val) ((elem)->stats.val--)
+#define csio_valid_wwn(__n) ((*__n >> 4) == 0x5 ? CSIO_TRUE : \
+ CSIO_FALSE)
+#define CSIO_WORD_TO_BYTE 4
+
+static inline int
+csio_list_deleted(struct list_head *list)
+{
+ return ((list->next == list) && (list->prev == list));
+}
+
+#define csio_list_next(elem) (((struct list_head *)(elem))->next)
+#define csio_list_prev(elem) (((struct list_head *)(elem))->prev)
+
+#define csio_deq_from_head(head, elem) \
+do { \
+ if (!list_empty(head)) { \
+ *((struct list_head **)(elem)) = csio_list_next((head)); \
+ csio_list_next((head)) = \
+ csio_list_next(csio_list_next((head))); \
+ csio_list_prev(csio_list_next((head))) = (head); \
+ INIT_LIST_HEAD(*((struct list_head **)(elem))); \
+ } else \
+ *((struct list_head **)(elem)) = (struct list_head *)NULL;\
+} while (0)
+
+#define csio_deq_from_tail(head, elem) \
+do { \
+ if (!list_empty(head)) { \
+ *((struct list_head **)(elem)) = csio_list_prev((head)); \
+ csio_list_prev((head)) = \
+ csio_list_prev(csio_list_prev((head))); \
+ csio_list_next(csio_list_prev((head))) = (head); \
+ INIT_LIST_HEAD(*((struct list_head **)(elem))); \
+ } else \
+ *((struct list_head **)(elem)) = (struct list_head *)NULL;\
+} while (0)
+
+/* State machine */
+typedef void (*csio_sm_state_t)(void *, uint32_t);
+
+struct csio_sm {
+ struct list_head sm_list;
+ csio_sm_state_t sm_state;
+};
+
+#define csio_init_state(__smp, __state) \
+ (((struct csio_sm *)(__smp))->sm_state = (csio_sm_state_t)(__state))
+
+#define csio_set_state(__smp, __state) \
+ (((struct csio_sm *)(__smp))->sm_state = (csio_sm_state_t)(__state))
+
+
+#define csio_post_event(__smp, __evt) \
+ (((struct csio_sm *)(__smp))->sm_state((__smp), (uint32_t)(__evt)))
+
+#define csio_get_state(__smp) (((struct csio_sm *)(__smp))->sm_state)
+
+#define csio_match_state(__smp, __state) \
+ (csio_get_state((__smp)) == (csio_sm_state_t)(__state))
+
+#define CSIO_ASSERT(cond) \
+do { \
+ if (unlikely(!((cond)))) \
+ BUG(); \
+} while (0)
+
+#ifdef __CSIO_DEBUG__
+#define CSIO_DB_ASSERT(__c) CSIO_ASSERT((__c))
+#else
+#define CSIO_DB_ASSERT(__c)
+#endif
+
+#endif /* ifndef __CSIO_DEFS_H__ */
diff --git a/drivers/scsi/csiostor/csio_fcoe_proto.h b/drivers/scsi/csiostor/csio_fcoe_proto.h
new file mode 100644
index 0000000..32e6f43
--- /dev/null
+++ b/drivers/scsi/csiostor/csio_fcoe_proto.h
@@ -0,0 +1,843 @@
+/*
+ * This file is part of the Chelsio FCoE driver for Linux.
+ *
+ * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __CSIO_FCOE_PROTO_H__
+#define __CSIO_FCOE_PROTO_H__
+
+/* FC header type */
+#define FC_TYPE_ELS_DATA 0x1
+#define FC_TYPE_CT_DATA 0x20
+#define FC_TYPE_FCP_DATA 0x8
+
+/* FC header rctl */
+#define FC_RCTL_ELS_REQ 0x22
+#define FC_RCTL_ELS_RSP 0x23
+#define FC_RCTL_FCP_CMND 0x6
+
+/* Well known Fibre channel Address */
+#define FDMI_DID 0xFFFFFA /* Management server */
+#define NS_DID 0xFFFFFC /* Name server */
+#define FABCTL_DID 0xFFFFFD /* Fabric Controller */
+#define FABRIC_DID 0xFFFFFE /* Fabric Login */
+#define BCAST_DID 0xFFFFFF /* Broadcast */
+#define UNKNOWN_DID 0x000000 /* Unknown DID */
+#define DID_MASK 0xFFFFFF /* DID Mask */
+#define WK_DID_MASK 0xFFFFF0 /* Well known did mask */
+
+/* FC4 Device Data Frame - TYPE */
+#define FC4_FCP_TYPE 0x8 /* FCP */
+
+/* MAX FC Payload */
+#define MAX_FC_PAYLOAD 2112
+
+/*Service option: Shift & Mask bits defines */
+#define SP_CLASS_SUPPORT_EN 1 /* Class support enable */
+#define S_SP_CLASS_SUPPORT 7
+#define M_SP_CLASS_SUPPORT 1
+#define V_SP_CLASS_SUPPORT(x) ((x) << S_SP_CLASS_SUPPORT)
+#define G_SP_CLASS_SUPPORT(x) \
+ (((x) >> S_SP_CLASS_SUPPORT) & M_SP_CLASS_SUPPORT)
+
+/* Class service parameters */
+struct csio_class_sp {
+ uint8_t serv_option; /* Service option */
+ uint8_t rsvd1;
+ uint8_t init_ctl_option; /* initiator cntl option */
+ uint8_t rsvd2;
+ uint8_t rcv_ctl_option; /* receiver cntl option */
+ uint8_t rsvd3;
+ uint16_t rcv_data_sz; /* receive data size */
+ uint16_t concurrent_seq; /* Total concurent sequence */
+ uint16_t ee_credit; /* EE credit */
+ uint16_t openseq_per_xchg; /* Open sequence per exch */
+ uint16_t rsvd4;
+};
+
+/* Common service parameters defines */
+
+/* FC Phy version */
+#define FC_PH_VER3 0x20
+
+/* WORD1 (31:16) flags: shift & mask bit defines */
+/* NPIV support */
+#define MULTIPLE_NPORT_ID_SUPPORT_EN 1
+#define S_MULTIPLE_NPORT_ID_SUPPORT 15
+#define M_MULTIPLE_NPORT_ID_SUPPORT 1
+#define V_MULTIPLE_NPORT_ID_SUPPORT(x) ((x) << S_MULTIPLE_NPORT_ID_SUPPORT)
+#define G_MULTIPLE_NPORT_ID_SUPPORT(x) (((x) >> S_MULTIPLE_NPORT_ID_SUPPORT) \
+ & M_MULTIPLE_NPORT_ID_SUPPORT)
+
+/* Continuously increasing relative offset */
+#define CONTI_INCR_OFFSET_SUPPORT_EN 1
+#define S_CONTI_INCR_OFFSET_SUPPORT 15
+#define M_CONTI_INCR_OFFSET_SUPPORT 1
+#define V_CONTI_INCR_OFFSET_SUPPORT(x) ((x) << S_CONTI_INCR_OFFSET_SUPPORT)
+#define G_CONTI_INCR_OFFSET_SUPPORT(x) (((x) >> S_CONTI_INCR_OFFSET_SUPPORT) \
+ & M_CONTI_INCR_OFFSET_SUPPORT)
+/* Continuously increasing relative offset */
+#define CLEAN_ADDR_EN 1
+#define S_CLEAN_ADDR 15
+#define M_CLEAN_ADDR 1
+#define V_CLEAN_ADDR(x) ((x) << S_CLEAN_ADDR)
+#define G_CLEAN_ADDR(x) (((x) >> S_CLEAN_ADDR) & M_CLEAN_ADDR)
+
+/* NPIV supported by Fabric */
+#define NPIV_SUPPORTED_EN 1
+#define S_NPIV_SUPPORTED 13
+#define M_NPIV_SUPPORTED 1
+#define V_NPIV_SUPPORTED(x) ((x) << S_NPIV_SUPPORTED)
+#define G_NPIV_SUPPORTED(x) (((x) >> S_NPIV_SUPPORTED) & M_NPIV_SUPPORTED)
+
+/* N_Port or F_Port */
+#define FABRIC_PORT 1
+#define S_FABRIC_PORT 12
+#define M_FABRIC_PORT 1
+#define V_FABRIC_PORT(x) ((x) << S_FABRIC_PORT)
+#define G_FABRIC_PORT(x) (((x) >> S_FABRIC_PORT) & M_FABRIC_PORT)
+
+/* Alternate B2B credit management support */
+#define ALT_B2B_CREDIT_MGMT_SUPPORT_EN 1
+#define S_ALT_B2B_CREDIT_MGMT_SUPPORT 11
+#define M_ALT_B2B_CREDIT_MGMT_SUPPORT 1
+#define V_ALT_B2B_CREDIT_MGMT_SUPPORT(x) \
+ ((x) << S_ALT_B2B_CREDIT_MGMT_SUPPORT)
+#define G_ALT_B2B_CREDIT_MGMT_SUPPORT(x) \
+ (((x) >> S_ALT_B2B_CREDIT_MGMT_SUPPORT) & M_ALT_B2B_CREDIT_MGMT_SUPPORT)
+
+
+/* WORD2 (31: 0) : shift and mask bit defines */
+#define S_MAX_SEQ_CNT 16
+#define M_MAX_SEQ_CNT 0xFFFF
+#define V_MAX_SEQ_CNT(x) ((x) << S_MAX_SEQ_CNT)
+#define G_MAX_SEQ_CNT(x) (((x) >> S_MAX_SEQ_CNT) & M_MAX_SEQ_CNT)
+
+#define S_REL_OFFSET_BY_CATEGORY 0
+#define M_REL_OFFSET_BY_CATEGORY 0xFFFF
+#define V_REL_OFFSET_BY_CATEGORY(x) ((x) << S_REL_OFFSET_BY_CATEGORY)
+#define G_REL_OFFSET_BY_CATEGORY(x) \
+ (((x) >> S_REL_OFFSET_BY_CATEGORY) & M_REL_OFFSET_BY_CATEGORY)
+
+/* Common service parameters */
+struct csio_cmn_sp {
+ uint8_t hi_ver; /* High PH version */
+ uint8_t lo_ver; /* low PH version */
+ uint16_t bb_credit; /* B2B credit */
+ uint16_t word1_flags; /* Word1 Flags (31:16)*/
+ uint16_t rcv_sz; /* Receive data size */
+ union {
+ uint32_t maxsq_reloff; /* Max seq / Relative offset */
+ uint32_t r_a_tov; /* R_A_TOV */
+ } un1;
+ uint32_t e_d_tov; /*E_D_TOV */
+};
+
+struct csio_service_parms {
+ struct csio_cmn_sp csp; /* Common service parms */
+ uint8_t wwpn[8]; /* WWPN */
+ uint8_t wwnn[8]; /* WWNN */
+ struct csio_class_sp clsp[4]; /* Class service params */
+ uint8_t vvl[16]; /* Vendor version level */
+};
+
+/* Common Transport (CT) defines */
+#define CT_BASIC_IU_LEN 0x10
+#define CT_REVISION 0x1
+
+/* GS Types */
+#define CT_GS_MGMT_SERVICE 0xFA
+#define CT_GS_TIME_SERVICE 0xFB
+#define CT_GS_DIR_SERVICE 0xFC
+#define CT_GS_FABRIC_CNTL_SERVICE 0xFD
+
+/* Directory service Subtypes */
+#define CT_DIR_SERVICE_NAME_SERVER 0x02
+
+/* FDMI MGMT service Subtypes */
+#define CT_FDMI_HBA_MGMT_SERVER 0x10
+
+/* CT Response code */
+#define CT_RESPONSE_FS_RJT 0x8001
+#define CT_RESPONSE_FS_ACC 0x8002
+
+/* CT Reason code */
+#define CT_NO_ADDITIONAL_EXPLANATION 0x00
+#define CT_INVALID_COMMAND 0x01
+#define CT_INVALID_VERSION_LEVEL 0x02
+#define CT_LOGICAL_ERROR 0x03
+#define CT_INVALID_IU_SIZE 0x04
+#define CT_LOGICAL_BUSY 0x05
+#define CT_PROTOCOL_ERROR 0x07
+#define CT_UNABLE_TO_PERFORM_CMD_REQ 0x09
+#define CT_CMD_NOT_SUPPORTED 0x0B
+#define CT_VENDOR_UNIQUE 0xff
+
+/* Name Server explanation for Reason code CT_UNABLE_TO_PERFORM_CMD_REQ */
+#define CT_NS_PORT_ID_NOT_REG 0x01
+#define CT_NS_PORT_NAME_NOT_REG 0x02
+#define CT_NS_NODE_NAME_NOT_REG 0x03
+#define CT_NS_CLASS_OF_SERVICE_NOT_REG 0x04
+#define CT_NS_IP_ADDRESS_NOT_REG 0x05
+#define CT_NS_IPA_NOT_REG 0x06
+#define CT_NS_FC4_TYPES_NOT_REG 0x07
+#define CT_NS_SYMBOLIC_PORT_NAME_NOT_REG 0x08
+#define CT_NS_SYMBOLIC_NODE_NAME_NOT_REG 0x09
+#define CT_NS_PORT_TYPE_NOT_REG 0x0A
+#define CT_NS_ACCESS_DENIED 0x10
+#define CT_NS_INVALID_PORT_ID 0x11
+#define CT_NS_DATABASE_EMPTY 0x12
+
+/* Name Server Command Codes */
+#define CT_NS_GA_NXT 0x0100
+#define CT_NS_GPN_ID 0x0112
+#define CT_NS_GNN_ID 0x0113
+#define CT_NS_GCS_ID 0x0114
+#define CT_NS_GFT_ID 0x0117
+#define CT_NS_GSPN_ID 0x0118
+#define CT_NS_GPT_ID 0x011A
+#define CT_NS_GFF_ID 0x011F
+#define CT_NS_GID_PN 0x0121
+#define CT_NS_GID_NN 0x0131
+#define CT_NS_GIP_NN 0x0135
+#define CT_NS_GIPA_NN 0x0136
+#define CT_NS_GSNN_NN 0x0139
+#define CT_NS_GNN_IP 0x0153
+#define CT_NS_GIPA_IP 0x0156
+#define CT_NS_GID_FT 0x0171
+#define CT_NS_GPN_FT 0x0172
+#define CT_NS_GID_PT 0x01A1
+#define CT_NS_RPN_ID 0x0212
+#define CT_NS_RNN_ID 0x0213
+#define CT_NS_RCS_ID 0x0214
+#define CT_NS_RFT_ID 0x0217
+#define CT_NS_RSPN_ID 0x0218
+#define CT_NS_RPT_ID 0x021A
+#define CT_NS_RFF_ID 0x021F
+#define CT_NS_RIP_NN 0x0235
+#define CT_NS_RIPA_NN 0x0236
+#define CT_NS_RSNN_NN 0x0239
+#define CT_NS_DA_ID 0x0300
+
+/* FDMI HBA management Server Command Codes */
+#define CT_FDMI_HBA_GRHL 0x100 /* Get registered HBA list */
+#define CT_FDMI_HBA_GHAT 0x101 /* Get HBA attributes */
+#define CT_FDMI_HBA_GRPL 0x102 /* Get registered Port list */
+#define CT_FDMI_HBA_GPAT 0x110 /* Get Port attributes */
+#define CT_FDMI_HBA_RHBA 0x200 /* Register HBA */
+#define CT_FDMI_HBA_RHAT 0x201 /* Register HBA atttributes */
+#define CT_FDMI_HBA_RPRT 0x210 /* Register Port */
+#define CT_FDMI_HBA_RPA 0x211 /* Register Port attributes */
+#define CT_FDMI_HBA_DHBA 0x300 /* De-register HBA */
+#define CT_FDMI_HBA_DPRT 0x310 /* De-register Port */
+
+/* HBA Attribute Types */
+#define NODE_NAME 0x1
+#define MANUFACTURER 0x2
+#define SERIAL_NUMBER 0x3
+#define MODEL 0x4
+#define MODEL_DESCRIPTION 0x5
+#define HARDWARE_VERSION 0x6
+#define DRIVER_VERSION 0x7
+#define OPTION_ROM_VERSION 0x8
+#define FIRMWARE_VERSION 0x9
+#define OS_NAME_VERSION 0xa
+#define MAX_CT_PAYLOAD_LEN 0xb
+
+/* Port Attrubute Types */
+#define SUPPORTED_FC4_TYPES 0x1
+#define SUPPORTED_SPEED 0x2
+#define PORT_SPEED 0x3
+#define MAX_FRAME_LEN 0x4
+#define OS_DEVICE_NAME 0x5
+#define HOST_NAME 0x6
+
+#define CSIO_HBA_PORTSPEED_1GBIT 0x0001 /* 1 GBit/sec */
+#define CSIO_HBA_PORTSPEED_2GBIT 0x0002 /* 2 GBit/sec */
+#define CSIO_HBA_PORTSPEED_4GBIT 0x0008 /* 4 GBit/sec */
+#define CSIO_HBA_PORTSPEED_10GBIT 0x0004 /* 10 GBit/sec */
+#define CSIO_HBA_PORTSPEED_8GBIT 0x0010 /* 8 GBit/sec */
+#define CSIO_HBA_PORTSPEED_16GBIT 0x0020 /* 16 GBit/sec */
+#define CSIO_HBA_PORTSPEED_UNKNOWN 0x0800 /* Unknown */
+
+/* Port Types */
+#define CT_PORT_TYPE_N_PORT 0x01
+#define CT_PORT_TYPE_NL_PORT 0x02
+#define CT_PORT_TYPE_FNL_PORT 0x03
+#define CT_PORT_TYPE_IP 0x04
+#define CT_PORT_TYPE_FCP 0x08
+#define CT_PORT_TYPE_NX_PORT 0x7F
+#define CT_PORT_TYPE_F_PORT 0x81
+#define CT_PORT_TYPE_FL_PORT 0x82
+#define CT_PORT_TYPE_E_PORT 0x84
+
+/* FC4 Feature bit defination */
+#define FC4_FEATURE_TARGET_EN 1
+#define S_FC4_FEATURE_TARGET 0
+#define M_FC4_FEATURE_TARGET 1
+#define V_FC4_FEATURE_TARGET(x) ((x) << S_FC4_FEATURE_TARGET)
+#define G_FC4_FEATURE_TARGET(x) \
+ (((x) >> S_FC4_FEATURE_TARGET) & M_FC4_FEATURE_TARGET)
+
+#define FC4_FEATURE_INITIATOR_EN 1
+#define S_FC4_FEATURE_INITIATOR 1
+#define M_FC4_FEATURE_INITIATOR 1
+#define V_FC4_FEATURE_INITIATOR(x) ((x) << S_FC4_FEATURE_INITIATOR)
+#define G_FC4_FEATURE_INITIATOR(x) \
+ (((x) >> S_FC4_FEATURE_INITIATOR) & M_FC4_FEATURE_INITIATOR)
+
+/* GPN_FT ACC Control bit defination */
+#define GPN_FT_ACC_CONTROL_EN 1
+#define S_GPN_FT_ACC_CONTROL 31
+#define M_GPN_FT_ACC_CONTROL 1
+#define V_GPN_FT_ACC_CONTROL(x) ((x) << S_GPN_FT_ACC_CONTROL)
+#define G_GPN_FT_ACC_CONTROL(x) \
+ (((x) >> S_GPN_FT_ACC_CONTROL) & M_GPN_FT_ACC_CONTROL)
+
+/* CT command */
+struct csio_ct_cmd {
+ uint8_t rev; /* Revision */
+ uint8_t in_id[3]; /* Unused */
+ uint8_t gs_type; /* Type of service */
+ uint8_t gs_subtype; /* Sub type */
+ uint8_t opt; /* Options */
+ uint8_t rsvd1;
+ uint16_t op; /* Command or response code */
+ uint16_t size; /* Maximum or Residual size */
+ uint8_t rsvd2;
+ uint8_t reason_code; /* Reason code */
+ uint8_t explanation; /* Explanation code */
+ uint8_t vendor_unique; /* Vendor specific reason code */
+
+ union {
+ uint32_t port_id; /* Port_id list for GID_FT ACC */
+
+ struct gid_ft {
+ uint8_t port_type; /* Port Type */
+ uint8_t domain_scope; /* Domain scope */
+ uint8_t area_scope; /* Area scope */
+ uint8_t fc4_type; /* FC4 Type = FCP(0x8) */
+ } gid_ft;
+
+ struct gpn_ft {
+ uint8_t rsvd;
+ uint8_t domain_scope; /* Domain scope */
+ uint8_t area_scope; /* Area scope */
+ uint8_t fc4_type; /* FC4 Type = FCP(0x8) */
+ } gpn_ft;
+
+ /* Port_id & Port name list for GPN_FT ACC */
+ struct gpn_ft_acc {
+ uint32_t port_id; /* port id */
+ uint32_t rsvd;
+ uint8_t wwpn[8]; /* Port name */
+ } gpn_ft_acc;
+
+ struct rft_id {
+ uint32_t port_id; /* port id */
+ uint16_t rsvd1;
+ uint8_t fcp; /* FCP Type */
+ uint8_t rsvd2;
+ uint8_t rsvd3[28];
+ } rft_id;
+
+ struct rnn_id {
+ uint32_t port_id; /* Port id */
+ uint8_t wwnn[8]; /* Node name */
+ } rnn_id;
+
+ struct da_id {
+ uint32_t port_id; /* Port id */
+ } da_id;
+
+ struct rff_id {
+ uint32_t port_id; /* Port id */
+ uint8_t rsvd1[2];
+ uint8_t fc4_fbits; /* FC4 feature bits */
+ uint8_t fc4_type; /* FC4 Type = FCP(0x8) */
+ } rff_id;
+ } un;
+};
+
+#define csio_ct_rsp(cp) (((struct csio_ct_cmd *) cp)->op)
+#define csio_ct_reason(cp) (((struct csio_ct_cmd *) cp)->reason_code)
+#define csio_ct_expl(cp) (((struct csio_ct_cmd *) cp)->explanation)
+#define csio_ct_get_pld(cp) ((void *)(((uint8_t *)cp) + CT_BASIC_IU_LEN))
+
+static inline void
+csio_fill_ct_iu(void *buf, uint8_t type, uint8_t sub_type,
+ uint16_t op)
+{
+ struct csio_ct_cmd *cmd = (struct csio_ct_cmd *) buf;
+ cmd->rev = CT_REVISION;
+ cmd->gs_type = type;
+ cmd->gs_subtype = sub_type;
+ cmd->op = op;
+}
+
+/* FDMI HBA cmd */
+
+/* Attribute entry */
+struct csio_attrib_entry {
+ uint16_t type; /* Entry type */
+ uint16_t len; /* Entry length */
+ union {
+ uint8_t string[256]; /* Attribute value in string */
+ uint32_t integer; /* Attribute value in integer */
+ } val;
+};
+
+
+/* attribute block */
+struct csio_attrib_block {
+ uint32_t entry_count; /* Entry count */
+ struct csio_attrib_entry entry; /* list of attributes */
+};
+
+/* HBA identifier */
+struct csio_hba_identifier {
+ uint8_t wwpn[8]; /* Port name */
+};
+
+/* Port entry */
+struct csio_port_entry {
+ uint8_t wwpn[8]; /* Port name */
+};
+
+/* register port list */
+struct csio_reg_port_list {
+ uint32_t entry_count; /* Entry count */
+ struct csio_port_entry entry; /* list of port entry */
+};
+
+/* register HBA */
+struct csio_reg_hba {
+ struct csio_hba_identifier id; /* HBA identifier */
+ struct csio_reg_port_list port_list; /* port entry list */
+};
+
+/* register HBA attributes */
+struct csio_reg_hba_attrib {
+ struct csio_hba_identifier id; /* HBA identifier */
+ struct csio_attrib_block attrib_list; /* Attribute list */
+};
+
+/* register Port attributes */
+struct csio_reg_port_attrib {
+ uint8_t wwpn[8]; /* Port name */
+ struct csio_attrib_block attrib_list; /* Attribute list */
+};
+
+/* Get register hba list(GRHL) accept payload */
+struct csio_grhl_acc_pld {
+ uint32_t entry_count; /* Entry count */
+ struct csio_hba_identifier id; /* HBA identifier list */
+};
+
+/* Get register port list(GRPL) accept payload */
+struct csio_grpl_acc_pld {
+ uint32_t entry_count; /* Entry count */
+ struct csio_port_entry entry; /* port entry list */
+};
+
+/* Get port attributes (GPAT) accept payload */
+struct csio_gpat_acc_pld {
+ struct csio_attrib_block attrib_list; /* Attribute list */
+};
+
+/* ELS CMD HDR length */
+#define ELS_CMD_HDR_LEN 0x4
+
+/* ELS COMMAND CODES */
+#define ELS_CMD_CODE_MASK 0xff
+#define ELS_CMD_CODE_LS_RJT 0x01
+#define ELS_CMD_CODE_ACC 0x02
+#define ELS_CMD_CODE_PLOGI 0x03
+#define ELS_CMD_CODE_FLOGI 0x04
+#define ELS_CMD_CODE_LOGO 0x05
+#define ELS_CMD_CODE_RES 0x08
+#define ELS_CMD_CODE_RSS 0x09
+#define ELS_CMD_CODE_RSI 0x0A
+#define ELS_CMD_CODE_ESTS 0x0B
+#define ELS_CMD_CODE_ESTC 0x0C
+#define ELS_CMD_CODE_ADVC 0x0D
+#define ELS_CMD_CODE_RTV 0x0E
+#define ELS_CMD_CODE_RLS 0x0F
+#define ELS_CMD_CODE_ECHO 0x10
+#define ELS_CMD_CODE_TEST 0x11
+#define ELS_CMD_CODE_PRLI 0x20
+#define ELS_CMD_CODE_PRLO 0x21
+#define ELS_CMD_CODE_PDISC 0x50
+#define ELS_CMD_CODE_FDISC 0x51
+#define ELS_CMD_CODE_ADISC 0x52
+#define ELS_CMD_CODE_RPS 0x56
+#define ELS_CMD_CODE_RPL 0x57
+#define ELS_CMD_CODE_RSCN 0x61
+#define ELS_CMD_CODE_SCR 0x62
+#define ELS_CMD_CODE_RNID 0x78
+#define ELS_CMD_CODE_LIRR 0x7A
+
+/* LS_RJT reason codes */
+#define LS_RJT_INVALID_CMD 0x01
+#define LS_RJT_LOGICAL_ERR 0x03
+#define LS_RJT_LOGICAL_BSY 0x05
+#define LS_RJT_PROTOCOL_ERR 0x07
+#define LS_RJT_UNABLE_TPC 0x09
+#define LS_RJT_CMD_UNSUPPORTED 0x0B
+#define LS_RJT_VENDOR_UNIQUE 0xFF
+
+/* LS_RJT reason explanation */
+#define LS_RJT_EXPL_NONE 0x00
+#define LS_RJT_EXPL_SPARM_OPTIONS 0x01
+#define LS_RJT_EXPL_SPARM_ICTL 0x03
+#define LS_RJT_EXPL_SPARM_RCTL 0x05
+#define LS_RJT_EXPL_SPARM_RCV_SIZE 0x07
+#define LS_RJT_EXPL_SPARM_CONCUR_SEQ 0x09
+#define LS_RJT_EXPL_SPARM_CREDIT 0x0B
+#define LS_RJT_EXPL_INVALID_PNAME 0x0D
+#define LS_RJT_EXPL_INVALID_NNAME 0x0E
+#define LS_RJT_EXPL_INVALID_CSP 0x0F
+#define LS_RJT_EXPL_INVALID_ASSOC_HDR 0x11
+#define LS_RJT_EXPL_ASSOC_HDR_REQ 0x13
+#define LS_RJT_EXPL_INVALID_O_SID 0x15
+#define LS_RJT_EXPL_INVALID_OX_RX 0x17
+#define LS_RJT_EXPL_CMD_IN_PROGRESS 0x19
+#define LS_RJT_EXPL_PORT_LOGIN_REQ 0x1E
+#define LS_RJT_EXPL_INVALID_NPORT_ID 0x1F
+#define LS_RJT_EXPL_INVALID_SEQ_ID 0x21
+#define LS_RJT_EXPL_INVALID_XCHG 0x23
+#define LS_RJT_EXPL_INACTIVE_XCHG 0x25
+#define LS_RJT_EXPL_RQ_REQUIRED 0x27
+#define LS_RJT_EXPL_OUT_OF_RESOURCE 0x29
+#define LS_RJT_EXPL_CANT_GIVE_DATA 0x2A
+#define LS_RJT_EXPL_REQ_UNSUPPORTED 0x2C
+
+/* PRLI Page and Payload length */
+#define PRLI_PAGE_LEN 0x10
+#define PRLI_PAYLOAD_LEN 0x14
+
+/* PRLI/PRLO PROCESS FLAGS */
+/* Originator Proc Associator valid */
+#define PRLILO_ORG_PA_VALID 1
+#define S_PRLILO_ORG_PA_VALID 7
+#define M_PRLILO_ORG_PA_VALID 1
+#define V_PRLILO_ORG_PA_VALID(x) ((x) << S_PRLILO_ORG_PA_VALID)
+#define G_PRLILO_ORG_PA_VALID(x) \
+ (((x) >> S_PRLILO_ORG_PA_VALID) & M_PRLILO_ORG_PA_VALID)
+
+/* Responder Proc Associator valid */
+#define PRLILO_RSP_PA_VALID 1
+#define S_PRLILO_RSP_PA_VALID 6
+#define M_PRLILO_RSP_PA_VALID 1
+#define V_PRLILO_RSP_PA_VALID(x) ((x) << S_PRLILO_RSP_PA_VALID)
+#define G_PRLILO_RSP_PA_VALID(x) \
+ (((x) >> S_PRLILO_RSP_PA_VALID) & M_PRLILO_RSP_PA_VALID)
+
+/* Image pair established */
+#define PRLILO_IMG_PAIR_ESTB 1
+#define S_PRLILO_IMG_PAIR_ESTB 5
+#define M_PRLILO_IMG_PAIR_ESTB 1
+#define V_PRLILO_IMG_PAIR_ESTB(x) ((x) << S_PRLILO_IMG_PAIR_ESTB)
+#define G_PRLILO_IMG_PAIR_ESTB(x) \
+ (((x) >> S_PRLILO_IMG_PAIR_ESTB) & M_PRLILO_IMG_PAIR_ESTB)
+
+/* PRLI Response code */
+#define PRLI_RSP_CODE
+#define S_PRLI_RSP 0
+#define M_PRLI_RSP 0xf
+#define V_PRLI_RSP(x) ((x) << S_PRLI_RSP)
+#define G_PRLI_RSP(x) \
+ (((x) >> S_PRLI_RSP) & M_PRLI_RSP)
+
+/* PRLI Service Parameter flags */
+/* FCP Write xfer ready disabled */
+#define PRLI_FCP_WRITE_XFER_RD_DIS 1
+#define S_PRLI_FCP_WRITE_XFER_RD_DIS 0
+#define M_PRLI_FCP_WRITE_XFER_RD_DIS 1
+#define V_PRLI_FCP_WRITE_XFER_RD_DIS(x) ((x) << S_PRLI_FCP_WRITE_XFER_RD_DIS)
+#define G_PRLI_FCP_WRITE_XFER_RD_DIS(x) \
+ (((x) >> S_PRLI_FCP_WRITE_XFER_RD_DIS) & M_PRLI_FCP_WRITE_XFER_RD_DIS)
+
+/* FCP read xfer ready disabled */
+#define PRLI_FCP_READ_XFER_RD_DIS 1
+#define S_PRLI_FCP_READ_XFER_RD_DIS 1
+#define M_PRLI_FCP_READ_XFER_RD_DIS 1
+#define V_PRLI_FCP_READ_XFER_RD_DIS(x) ((x) << S_PRLI_FCP_READ_XFER_RD_DIS)
+#define G_PRLI_FCP_READ_XFER_RD_DIS(x) \
+ (((x) >> S_PRLI_FCP_READ_XFER_RD_DIS) & M_PRLI_FCP_READ_XFER_RD_DIS)
+
+/* FCP data response mix disabled */
+#define PRLI_FCP_DATA_RSP_MIX_DIS 1
+#define S_PRLI_FCP_DATA_RSP_MIX_DIS 2
+#define M_PRLI_FCP_DATA_RSP_MIX_DIS 1
+#define V_PRLI_FCP_DATA_RSP_MIX_DIS(x) ((x) << S_PRLI_FCP_DATA_RSP_MIX_DIS)
+#define G_PRLI_FCP_DATA_RSP_MIX_DIS(x) \
+ (((x) >> S_PRLI_FCP_DATA_RSP_MIX_DIS) & M_PRLI_FCP_DATA_RSP_MIX_DIS)
+
+/* FCP cmd data mix disabled */
+#define PRLI_FCP_CMD_DATA_MIX_DIS 1
+#define S_PRLI_FCP_CMD_DATA_MIX_DIS 3
+#define M_PRLI_FCP_CMD_DATA_MIX_DIS 1
+#define V_PRLI_FCP_CMD_DATA_MIX_DIS(x) ((x) << S_PRLI_FCP_CMD_DATA_MIX_DIS)
+#define G_PRLI_FCP_CMD_DATA_MIX_DIS(x) \
+ (((x) >> S_PRLI_FCP_CMD_DATA_MIX_DIS) & M_PRLI_FCP_CMD_DATA_MIX_DIS)
+
+/* FCP Target function */
+#define PRLI_FCP_TARGET_FUNC 1
+#define S_PRLI_FCP_TARGET_FUNC 4
+#define M_PRLI_FCP_TARGET_FUNC 1
+#define V_PRLI_FCP_TARGET_FUNC(x) ((x) << S_PRLI_FCP_TARGET_FUNC)
+#define G_PRLI_FCP_TARGET_FUNC(x) \
+ (((x) >> S_PRLI_FCP_TARGET_FUNC) & M_PRLI_FCP_TARGET_FUNC)
+
+/* FCP Initiator function */
+#define PRLI_FCP_INITIATOR_FUNC 1
+#define S_PRLI_FCP_INITIATOR_FUNC 5
+#define M_PRLI_FCP_INITIATOR_FUNC 1
+#define V_PRLI_FCP_INITIATOR_FUNC(x) ((x) << S_PRLI_FCP_INITIATOR_FUNC)
+#define G_PRLI_FCP_INITIATOR_FUNC(x) \
+ (((x) >> S_PRLI_FCP_INITIATOR_FUNC) & M_PRLI_FCP_INITIATOR_FUNC)
+
+/* FCP Data overlay */
+#define PRLI_FCP_DATA_OVERLAY 1
+#define S_PRLI_FCP_DATA_OVERLAY 6
+#define M_PRLI_FCP_DATA_OVERLAY 1
+#define V_PRLI_FCP_DATA_OVERLAY(x) ((x) << S_PRLI_FCP_DATA_OVERLAY)
+#define G_PRLI_FCP_DATA_OVERLAY(x) \
+ (((x) >> S_PRLI_FCP_DATA_OVERLAY) & M_PRLI_FCP_DATA_OVERLAY)
+
+/* FCP confirmed completion */
+#define PRLI_FCP_CONF_COMPL_ALLOWED 1
+#define S_PRLI_FCP_CONF_COMPL_ALLOWED 7
+#define M_PRLI_FCP_CONF_COMPL_ALLOWED 1
+#define V_PRLI_FCP_CONF_COMPL_ALLOWED(x) ((x) << S_PRLI_FCP_CONF_COMPL_ALLOWED)
+#define G_PRLI_FCP_CONF_COMPL_ALLOWED(x) \
+ (((x) >> S_PRLI_FCP_CONF_COMPL_ALLOWED) & M_PRLI_FCP_CONF_COMPL_ALLOWED)
+
+/* FCP retry */
+#define PRLI_FCP_RETRY 1
+#define S_PRLI_FCP_RETRY 8
+#define M_PRLI_FCP_RETRY 1
+#define V_PRLI_FCP_RETRY(x) ((x) << S_PRLI_FCP_RETRY)
+#define G_PRLI_FCP_RETRY(x) (((x) >> S_PRLI_FCP_RETRY) & M_PRLI_FCP_RETRY)
+
+/* FCP Task retry id request */
+#define PRLI_FCP_TASK_ID_REQ 1
+#define S_PRLI_FCP_TASK_ID_REQ 9
+#define M_PRLI_FCP_TASK_ID_REQ 1
+#define V_PRLI_FCP_TASK_ID_REQ(x) ((x) << S_PRLI_FCP_TASK_ID_REQ)
+#define G_PRLI_FCP_TASK_ID_REQ(x) \
+ (((x) >> S_PRLI_FCP_TASK_ID_REQ) & M_PRLI_FCP_TASK_ID_REQ)
+
+/* SCR Function */
+#define SCR_FUNCTION_FABRIC 0x01
+#define SCR_FUNCTION_NPORT 0x02
+#define SCR_FUNCTION_FULL 0x03
+#define SCR_FUNCTION_CLEAR 0xFF
+
+/* PRLI accept response code */
+#define PRLI_REQ_COMPLETED 0x1
+#define PRLI_RES_UNAVAIL 0x2
+#define PRLI_INIT_NOT_COMPLETE 0x3
+#define PRLI_RESP_PA_NO_FOUND 0x4
+#define PRLI_REQ_CONDITIONAL 0x5
+#define PRLI_RECP_PRECONFIG 0x6
+#define PRLI_MULTIPAGE_REQ_FAILED 0x7
+#define PRLI_INVALID_SP 0x8
+
+
+/* MAX RETIRES */
+#define MAX_ELS_RETRY 3
+#define ECM_MIN_TMO 1000 /* Minimum timeout value for req */
+
+/* ELS request */
+struct csio_els_cmd {
+ uint8_t op; /* ELS command code*/
+ uint8_t byte1;
+ uint8_t byte2;
+ uint8_t byte3;
+
+ union {
+ struct ls_rjt {
+ uint8_t rsvd1;
+ uint8_t reason_code; /* Reason code */
+ uint8_t reason_exp; /* Explanation */
+ uint8_t vendor_unique; /* Vendor unique code */
+ } ls_rjt;
+
+ struct ls_logi {
+ /* Service Parameters */
+ struct csio_service_parms sp;
+ } ls_logi;
+
+ struct logo {
+ uint32_t nport_id; /* NPort Id */
+ uint8_t wwpn[8]; /* Port name */
+ } logo;
+
+ struct prli {
+ uint8_t type; /* Type code */
+ uint8_t rsvd1;
+ uint8_t proc_flags; /* Process Flags */
+ uint8_t rsvd2;
+
+ /* Originator Process Associator */
+ uint32_t ori_proc_assoc;
+
+ /* Responder Process Associator */
+ uint32_t rsp_proc_assoc;
+
+ /* Service parameter flags */
+ uint32_t serv_parms_flags;
+ } prli;
+
+ struct prlo {
+ uint8_t type; /* Type code */
+ uint8_t rsvd1;
+ uint8_t proc_flags; /* Process flags */
+ uint8_t rsvd2;
+
+ /* Originator Process Associator */
+ uint32_t ori_proc_assoc;
+
+ /* Responder Process Associator */
+ uint32_t rsp_proc_assoc;
+ uint32_t rsvd3;
+ } prlo;
+
+ struct adisc {
+ uint32_t hard_addr; /* Hard address of originator */
+ uint8_t wwpn[8]; /* Port name */
+ uint8_t wwnn[8]; /* Node name */
+ uint32_t nport_id; /* Nport id */
+ } adisc;
+
+ struct scr {
+ uint8_t rsvd[3];
+ uint8_t func; /* SCR Function */
+ } scr;
+
+ struct rscn {
+ uint32_t nport_id; /* Nport id list */
+ } rscn;
+ } un;
+};
+
+/* FCP defines */
+/*
+ * pri_ta.
+ */
+#define FCP_PTA_SIMPLE 0x0 /* simple queue tag */
+#define FCP_PTA_HEADQ 0x1 /* head of queue tag */
+#define FCP_PTA_ORDERED 0x2 /* ordered task attribute */
+#define FCP_PTA_ACA 0x4 /* auto. contigent allegiance */
+#define FCP_PTA_UNTAGGED 0x5
+
+#define FCP_PRI_SHIFT 3 /* priority field starts
+ * in bit 3
+ */
+#define FCP_PRI_RESVD_MASK 0x80 /* reserved bits in priority
+ * field
+ */
+
+/*
+ * tm_flags - task management flags field.
+ */
+#define FCP_TMF_ABT_TASK_SET 0x02 /* abort task set */
+#define FCP_TMF_CLR_TASK_SET 0x04 /* clear task set */
+#define FCP_TMF_BUS_RESET 0x08 /* bus reset */
+#define FCP_TMF_LUN_RESET 0x10 /* LUN reset */
+#define FCP_TMF_TGT_RESET 0x20 /* Target reset */
+#define FCP_TMF_CLR_ACA 0x40 /* clear ACA condition */
+#define FCP_TMF_TERM_TASK 0x80 /* Terminate task */
+
+/*
+ * flags.
+ * Bits 7:2 are the additional FCP_CDB length / 4.
+ */
+#define FCP_CFL_LEN_MASK 0xfc /* mask for additional length */
+#define FCP_CFL_LEN_SHIFT 2 /* shift bits for additional length */
+#define FCP_CFL_RDDATA 0x02 /* read data */
+#define FCP_CFL_WRDATA 0x01 /* write data */
+
+struct csio_fcp_cmnd {
+ uint8_t lun[8]; /* logical unit number */
+ uint8_t cmdref; /* commmand reference number */
+ uint8_t pri_ta; /* priority and task
+ * attribute
+ */
+ uint8_t tm_flags; /* task management flags */
+ uint8_t flags; /* additional len & flags */
+ uint8_t cdb[16]; /* CDB */
+ uint32_t dl; /* data length */
+};
+
+/* Response Flags */
+#define FCP_BIDI_RSP 0x80 /* bidirectional read rsp */
+#define FCP_BIDI_READ_UNDER 0x40 /* bidi read underrun */
+#define FCP_BIDI_READ_OVER 0x20 /* bidi read overrun */
+#define FCP_CONF_REQ 0x10 /* confirmation requested */
+#define FCP_RESID_UNDER 0x08 /* transfer shorter than
+ * expected
+ */
+#define FCP_RESID_OVER 0x04 /* DL insufficient for
+ * full transfer
+ */
+#define FCP_SNS_LEN_VAL 0x02 /* SNS_LEN field is valid */
+#define FCP_RSP_LEN_VAL 0x01 /* RSP_LEN field is valid */
+
+/* Response codes */
+#define FCP_TMF_CMPL 0x00
+#define FCP_DATA_LEN_INVALID 0x01
+#define FCP_CMND_FIELDS_INVALID 0x02
+#define FCP_DATA_PARAM_MISMATCH 0x03
+#define FCP_TMF_REJECTED 0x04
+#define FCP_TMF_FAILED 0x05
+#define FCP_TMF_SUCCEEDED 0x05
+#define FCP_TMF_INVALID_LUN 0x09
+
+struct csio_fcp_resp {
+ uint8_t rsvd0[8];
+ uint16_t retry_delay; /* retry delay timer */
+ uint8_t flags; /* flags */
+ uint8_t scsi_status; /* SCSI status code */
+ uint32_t resid; /* Residual bytes */
+ uint32_t sns_len; /* Length of sense data */
+ uint32_t rsp_len; /* Length of response */
+ uint8_t rsvd1;
+ uint8_t rsvd2;
+ uint8_t rsvd3;
+ uint8_t rsp_code; /* Response code */
+ uint8_t sns_data[128];
+};
+
+#endif /* __CSIO_FCOE_PROTO_H__ */
diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h
new file mode 100644
index 0000000..00b78db
--- /dev/null
+++ b/drivers/scsi/csiostor/csio_hw.h
@@ -0,0 +1,668 @@
+/*
+ * This file is part of the Chelsio FCoE driver for Linux.
+ *
+ * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __CSIO_HW_H__
+#define __CSIO_HW_H__
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/device.h>
+#include <linux/workqueue.h>
+#include <linux/compiler.h>
+#include <linux/cdev.h>
+#include <linux/list.h>
+#include <linux/mempool.h>
+#include <linux/io.h>
+#include <linux/spinlock_types.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "csio_wr.h"
+#include "csio_mb.h"
+#include "csio_scsi.h"
+#include "csio_defs.h"
+#include "t4_regs.h"
+#include "t4_msg.h"
+
+/*
+ * An error value used by host. Should not clash with FW defined return values.
+ */
+#define FW_HOSTERROR 255
+
+#define CSIO_FW_FNAME "cxgb4/t4fw.bin"
+#define CSIO_CF_FNAME "cxgb4/t4-config.txt"
+
+#define FW_VERSION_MAJOR 1
+#define FW_VERSION_MINOR 2
+#define FW_VERSION_MICRO 8
+
+#define CSIO_HW_NAME "Chelsio FCoE Adapter"
+#define CSIO_MAX_PFN 8
+#define CSIO_MAX_PPORTS 4
+
+#define CSIO_MAX_LUN 0xFFFF
+#define CSIO_MAX_QUEUE 2048
+#define CSIO_MAX_CMD_PER_LUN 32
+#define CSIO_MAX_DDP_BUF_SIZE (1024 * 1024)
+#define CSIO_MAX_SECTOR_SIZE 128
+
+/* Interrupts */
+#define CSIO_EXTRA_MSI_IQS 2 /* Extra iqs for INTX/MSI mode
+ * (Forward intr iq + fw iq) */
+#define CSIO_EXTRA_VECS 2 /* non-data + FW evt */
+#define CSIO_MAX_SCSI_CPU 128
+#define CSIO_MAX_SCSI_QSETS (CSIO_MAX_SCSI_CPU * CSIO_MAX_PPORTS)
+#define CSIO_MAX_MSIX_VECS (CSIO_MAX_SCSI_QSETS + CSIO_EXTRA_VECS)
+
+/* Queues */
+enum {
+ CSIO_INTR_WRSIZE = 128,
+ CSIO_INTR_IQSIZE = ((CSIO_MAX_MSIX_VECS + 1) * CSIO_INTR_WRSIZE),
+ CSIO_FWEVT_WRSIZE = 128,
+ CSIO_FWEVT_IQLEN = 128,
+ CSIO_FWEVT_FLBUFS = 64,
+ CSIO_FWEVT_IQSIZE = (CSIO_FWEVT_WRSIZE * CSIO_FWEVT_IQLEN),
+ CSIO_HW_NIQ = 1,
+ CSIO_HW_NFLQ = 1,
+ CSIO_HW_NEQ = 1,
+ CSIO_HW_NINTXQ = 1,
+};
+
+struct csio_msix_entries {
+ unsigned short vector; /* Vector assigned by pci_enable_msix */
+ void *dev_id; /* Priv object associated w/ this msix*/
+ char desc[24]; /* Description of this vector */
+};
+
+struct csio_scsi_qset {
+ int iq_idx; /* Ingress index */
+ int eq_idx; /* Egress index */
+ uint32_t intr_idx; /* MSIX Vector index */
+};
+
+struct csio_scsi_cpu_info {
+ int16_t max_cpus;
+};
+
+extern int csio_dbg_level;
+extern int csio_force_master;
+extern unsigned int csio_port_mask;
+extern int csio_msi;
+
+#define CSIO_VENDOR_ID 0x1425
+#define CSIO_ASIC_DEVID_PROTO_MASK 0xFF00
+#define CSIO_ASIC_DEVID_TYPE_MASK 0x00FF
+#define CSIO_FPGA 0xA000
+#define CSIO_T4_FCOE_ASIC 0x4600
+
+#define CSIO_GLBL_INTR_MASK (CIM | MPS | PL | PCIE | MC | EDC0 | \
+ EDC1 | LE | TP | MA | PM_TX | PM_RX | \
+ ULP_RX | CPL_SWITCH | SGE | \
+ ULP_TX | SF)
+
+/*
+ * Hard parameters used to initialize the card in the absence of a
+ * configuration file.
+ */
+enum {
+ /* General */
+ CSIO_SGE_DBFIFO_INT_THRESH = 10,
+
+ CSIO_SGE_RX_DMA_OFFSET = 2,
+
+ CSIO_SGE_FLBUF_SIZE1 = 65536,
+ CSIO_SGE_FLBUF_SIZE2 = 1536,
+ CSIO_SGE_FLBUF_SIZE3 = 9024,
+ CSIO_SGE_FLBUF_SIZE4 = 9216,
+ CSIO_SGE_FLBUF_SIZE5 = 2048,
+ CSIO_SGE_FLBUF_SIZE6 = 128,
+ CSIO_SGE_FLBUF_SIZE7 = 8192,
+ CSIO_SGE_FLBUF_SIZE8 = 16384,
+
+ CSIO_SGE_TIMER_VAL_0 = 5,
+ CSIO_SGE_TIMER_VAL_1 = 10,
+ CSIO_SGE_TIMER_VAL_2 = 20,
+ CSIO_SGE_TIMER_VAL_3 = 50,
+ CSIO_SGE_TIMER_VAL_4 = 100,
+ CSIO_SGE_TIMER_VAL_5 = 200,
+
+ CSIO_SGE_INT_CNT_VAL_0 = 1,
+ CSIO_SGE_INT_CNT_VAL_1 = 4,
+ CSIO_SGE_INT_CNT_VAL_2 = 8,
+ CSIO_SGE_INT_CNT_VAL_3 = 16,
+
+ /* Storage specific - used by FW_PFVF_CMD */
+ CSIO_WX_CAPS = FW_CMD_CAP_PF, /* w/x all */
+ CSIO_R_CAPS = FW_CMD_CAP_PF, /* r all */
+ CSIO_NVI = 4,
+ CSIO_NIQ_FLINT = 34,
+ CSIO_NETH_CTRL = 32,
+ CSIO_NEQ = 66,
+ CSIO_NEXACTF = 32,
+ CSIO_CMASK = FW_PFVF_CMD_CMASK_MASK,
+ CSIO_PMASK = FW_PFVF_CMD_PMASK_MASK,
+};
+
+/* Slowpath events */
+enum csio_evt {
+ CSIO_EVT_FW = 0, /* FW event */
+ CSIO_EVT_MBX, /* MBX event */
+ CSIO_EVT_SCN, /* State change notification */
+ CSIO_EVT_DEV_LOSS, /* Device loss event */
+ CSIO_EVT_MAX, /* Max supported event */
+};
+
+#define CSIO_EVT_MSG_SIZE 512
+#define CSIO_EVTQ_SIZE 512
+
+/* Event msg */
+struct csio_evt_msg {
+ struct list_head list; /* evt queue*/
+ enum csio_evt type;
+ uint8_t data[CSIO_EVT_MSG_SIZE];
+};
+
+enum {
+ EEPROMVSIZE = 32768, /* Serial EEPROM virtual address space size */
+ SERNUM_LEN = 16, /* Serial # length */
+ EC_LEN = 16, /* E/C length */
+ ID_LEN = 16, /* ID length */
+ TRACE_LEN = 112, /* length of trace data and mask */
+};
+
+enum {
+ SF_PAGE_SIZE = 256, /* serial flash page size */
+ SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */
+ SF_SIZE = SF_SEC_SIZE * 16, /* serial flash size */
+};
+
+enum { MEM_EDC0, MEM_EDC1, MEM_MC };
+
+enum {
+ MEMWIN0_APERTURE = 2048,
+ MEMWIN0_BASE = 0x1b800,
+ MEMWIN1_APERTURE = 32768,
+ MEMWIN1_BASE = 0x28000,
+ MEMWIN2_APERTURE = 65536,
+ MEMWIN2_BASE = 0x30000,
+};
+
+/* serial flash and firmware constants */
+enum {
+ SF_ATTEMPTS = 10, /* max retries for SF operations */
+
+ /* flash command opcodes */
+ SF_PROG_PAGE = 2, /* program page */
+ SF_WR_DISABLE = 4, /* disable writes */
+ SF_RD_STATUS = 5, /* read status register */
+ SF_WR_ENABLE = 6, /* enable writes */
+ SF_RD_DATA_FAST = 0xb, /* read flash */
+ SF_RD_ID = 0x9f, /* read ID */
+ SF_ERASE_SECTOR = 0xd8, /* erase sector */
+
+ FW_START_SEC = 8, /* first flash sector for FW */
+ FW_END_SEC = 15, /* last flash sector for FW */
+ FW_IMG_START = FW_START_SEC * SF_SEC_SIZE,
+ FW_MAX_SIZE = (FW_END_SEC - FW_START_SEC + 1) * SF_SEC_SIZE,
+
+ FLASH_CFG_MAX_SIZE = 0x10000 , /* max size of the flash config file*/
+ FLASH_CFG_OFFSET = 0x1f0000,
+ FLASH_CFG_START_SEC = FLASH_CFG_OFFSET / SF_SEC_SIZE,
+ FPGA_FLASH_CFG_OFFSET = 0xf0000 , /* if FPGA mode, then cfg file is
+ * at 1MB - 64KB */
+ FPGA_FLASH_CFG_START_SEC = FPGA_FLASH_CFG_OFFSET / SF_SEC_SIZE,
+};
+
+/*
+ * Flash layout.
+ */
+#define FLASH_START(start) ((start) * SF_SEC_SIZE)
+#define FLASH_MAX_SIZE(nsecs) ((nsecs) * SF_SEC_SIZE)
+
+enum {
+ /*
+ * Location of firmware image in FLASH.
+ */
+ FLASH_FW_START_SEC = 8,
+ FLASH_FW_NSECS = 8,
+ FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
+ FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
+
+};
+
+#undef FLASH_START
+#undef FLASH_MAX_SIZE
+
+/* Management module */
+enum {
+ CSIO_MGMT_EQ_WRSIZE = 512,
+ CSIO_MGMT_IQ_WRSIZE = 128,
+ CSIO_MGMT_EQLEN = 64,
+ CSIO_MGMT_IQLEN = 64,
+};
+
+#define CSIO_MGMT_EQSIZE (CSIO_MGMT_EQLEN * CSIO_MGMT_EQ_WRSIZE)
+#define CSIO_MGMT_IQSIZE (CSIO_MGMT_IQLEN * CSIO_MGMT_IQ_WRSIZE)
+
+/* mgmt module stats */
+struct csio_mgmtm_stats {
+ uint32_t n_abort_req; /* Total abort request */
+ uint32_t n_abort_rsp; /* Total abort response */
+ uint32_t n_close_req; /* Total close request */
+ uint32_t n_close_rsp; /* Total close response */
+ uint32_t n_err; /* Total Errors */
+ uint32_t n_drop; /* Total request dropped */
+ uint32_t n_active; /* Count of active_q */
+ uint32_t n_cbfn; /* Count of cbfn_q */
+};
+
+/* MGMT module */
+struct csio_mgmtm {
+ struct csio_hw *hw; /* Pointer to HW moduel */
+ int eq_idx; /* Egress queue index */
+ int iq_idx; /* Ingress queue index */
+ int msi_vec; /* MSI vector */
+ struct list_head active_q; /* Outstanding ELS/CT */
+ struct list_head abort_q; /* Outstanding abort req */
+ struct list_head cbfn_q; /* Completion queue */
+ struct list_head mgmt_req_freelist; /* Free poll of reqs */
+ /* ELSCT request freelist*/
+ struct timer_list mgmt_timer; /* MGMT timer */
+ struct csio_mgmtm_stats stats; /* ELS/CT stats */
+};
+
+struct csio_adap_desc {
+ char model_no[16];
+ char description[32];
+};
+
+struct pci_params {
+ uint16_t vendor_id;
+ uint16_t device_id;
+ uint32_t vpd_cap_addr;
+ uint16_t speed;
+ uint8_t width;
+};
+
+/* User configurable hw parameters */
+struct csio_hw_params {
+ uint32_t sf_size; /* serial flash
+ * size in bytes
+ */
+ uint32_t sf_nsec; /* # of flash sectors */
+ struct pci_params pci;
+ uint32_t log_level; /* Module-level for
+ * debug log.
+ */
+};
+
+struct csio_vpd {
+ uint32_t cclk;
+ uint8_t ec[EC_LEN + 1];
+ uint8_t sn[SERNUM_LEN + 1];
+ uint8_t id[ID_LEN + 1];
+};
+
+struct csio_pport {
+ uint16_t pcap;
+ uint8_t portid;
+ uint8_t link_status;
+ uint16_t link_speed;
+ uint8_t mac[6];
+ uint8_t mod_type;
+ uint8_t rsvd1;
+ uint8_t rsvd2;
+ uint8_t rsvd3;
+};
+
+/* fcoe resource information */
+struct csio_fcoe_res_info {
+ uint16_t e_d_tov;
+ uint16_t r_a_tov_seq;
+ uint16_t r_a_tov_els;
+ uint16_t r_r_tov;
+ uint32_t max_xchgs;
+ uint32_t max_ssns;
+ uint32_t used_xchgs;
+ uint32_t used_ssns;
+ uint32_t max_fcfs;
+ uint32_t max_vnps;
+ uint32_t used_fcfs;
+ uint32_t used_vnps;
+};
+
+/* HW State machine Events */
+enum csio_hw_ev {
+ CSIO_HWE_CFG = (uint32_t)1, /* Starts off the State machine */
+ CSIO_HWE_INIT, /* Config done, start Init */
+ CSIO_HWE_INIT_DONE, /* Init Mailboxes sent, HW ready */
+ CSIO_HWE_FATAL, /* Fatal error during initialization */
+ CSIO_HWE_PCIERR_DETECTED,/* PCI error recovery detetced */
+ CSIO_HWE_PCIERR_SLOT_RESET, /* Slot reset after PCI recoviery */
+ CSIO_HWE_PCIERR_RESUME, /* Resume after PCI error recovery */
+ CSIO_HWE_QUIESCED, /* HBA quiesced */
+ CSIO_HWE_HBA_RESET, /* HBA reset requested */
+ CSIO_HWE_HBA_RESET_DONE, /* HBA reset completed */
+ CSIO_HWE_FW_DLOAD, /* FW download requested */
+ CSIO_HWE_PCI_REMOVE, /* PCI de-instantiation */
+ CSIO_HWE_SUSPEND, /* HW suspend for Online(hot) replacement */
+ CSIO_HWE_RESUME, /* HW resume for Online(hot) replacement */
+ CSIO_HWE_MAX, /* Max HW event */
+};
+
+/* hw stats */
+struct csio_hw_stats {
+ uint32_t n_evt_activeq; /* Number of event in active Q */
+ uint32_t n_evt_freeq; /* Number of event in free Q */
+ uint32_t n_evt_drop; /* Number of event droped */
+ uint32_t n_evt_unexp; /* Number of unexpected events */
+ uint32_t n_pcich_offline;/* Number of pci channel offline */
+ uint32_t n_lnlkup_miss; /* Number of lnode lookup miss */
+ uint32_t n_cpl_fw6_msg; /* Number of cpl fw6 message*/
+ uint32_t n_cpl_fw6_pld; /* Number of cpl fw6 payload*/
+ uint32_t n_cpl_unexp; /* Number of unexpected cpl */
+ uint32_t n_mbint_unexp; /* Number of unexpected mbox */
+ /* interrupt */
+ uint32_t n_plint_unexp; /* Number of unexpected PL */
+ /* interrupt */
+ uint32_t n_plint_cnt; /* Number of PL interrupt */
+ uint32_t n_int_stray; /* Number of stray interrupt */
+ uint32_t n_err; /* Number of hw errors */
+ uint32_t n_err_fatal; /* Number of fatal errors */
+ uint32_t n_err_nomem; /* Number of memory alloc failure */
+ uint32_t n_err_io; /* Number of IO failure */
+ enum csio_hw_ev n_evt_sm[CSIO_HWE_MAX]; /* Number of sm events */
+ uint64_t n_reset_start; /* Start time after the reset */
+ uint32_t rsvd1;
+};
+
+/* Defines for hw->flags */
+#define CSIO_HWF_MASTER 0x00000001 /* This is the Master
+ * function for the
+ * card.
+ */
+#define CSIO_HWF_HW_INTR_ENABLED 0x00000002 /* Are HW Interrupt
+ * enable bit set?
+ */
+#define CSIO_HWF_FWEVT_PENDING 0x00000004 /* FW events pending */
+#define CSIO_HWF_Q_MEM_ALLOCED 0x00000008 /* Queues have been
+ * allocated memory.
+ */
+#define CSIO_HWF_Q_FW_ALLOCED 0x00000010 /* Queues have been
+ * allocated in FW.
+ */
+#define CSIO_HWF_VPD_VALID 0x00000020 /* Valid VPD copied */
+#define CSIO_HWF_DEVID_CACHED 0X00000040 /* PCI vendor & device
+ * id cached */
+#define CSIO_HWF_FWEVT_STOP 0x00000080 /* Stop processing
+ * FW events
+ */
+#define CSIO_HWF_USING_SOFT_PARAMS 0x00000100 /* Using FW config
+ * params
+ */
+#define CSIO_HWF_HOST_INTR_ENABLED 0x00000200 /* Are host interrupts
+ * enabled?
+ */
+
+#define csio_is_hw_intr_enabled(__hw) \
+ ((__hw)->flags & CSIO_HWF_HW_INTR_ENABLED)
+#define csio_is_host_intr_enabled(__hw) \
+ ((__hw)->flags & CSIO_HWF_HOST_INTR_ENABLED)
+#define csio_is_hw_master(__hw) ((__hw)->flags & CSIO_HWF_MASTER)
+#define csio_is_valid_vpd(__hw) ((__hw)->flags & CSIO_HWF_VPD_VALID)
+#define csio_is_dev_id_cached(__hw) ((__hw)->flags & CSIO_HWF_DEVID_CACHED)
+#define csio_valid_vpd_copied(__hw) ((__hw)->flags |= CSIO_HWF_VPD_VALID)
+#define csio_dev_id_cached(__hw) ((__hw)->flags |= CSIO_HWF_DEVID_CACHED)
+
+/* Defines for intr_mode */
+enum csio_intr_mode {
+ CSIO_IM_NONE = 0,
+ CSIO_IM_INTX = 1,
+ CSIO_IM_MSI = 2,
+ CSIO_IM_MSIX = 3,
+};
+
+/* Master HW structure: One per function */
+struct csio_hw {
+ struct csio_sm sm; /* State machine: should
+ * be the 1st member.
+ */
+ spinlock_t lock; /* Lock for hw */
+
+ struct csio_scsim scsim; /* SCSI module*/
+ struct csio_wrm wrm; /* Work request module*/
+ struct pci_dev *pdev; /* PCI device */
+
+ void __iomem *regstart; /* Virtual address of
+ * register map
+ */
+ /* SCSI queue sets */
+ uint32_t num_sqsets; /* Number of SCSI
+ * queue sets */
+ uint32_t num_scsi_msix_cpus; /* Number of CPUs that
+ * will be used
+ * for ingress
+ * processing.
+ */
+
+ struct csio_scsi_qset sqset[CSIO_MAX_PPORTS][CSIO_MAX_SCSI_CPU];
+ struct csio_scsi_cpu_info scsi_cpu_info[CSIO_MAX_PPORTS];
+
+ uint32_t evtflag; /* Event flag */
+ uint32_t flags; /* HW flags */
+
+ struct csio_mgmtm mgmtm; /* management module */
+ struct csio_mbm mbm; /* Mailbox module */
+
+ /* Lnodes */
+ uint32_t num_lns; /* Number of lnodes */
+ struct csio_lnode *rln; /* Root lnode */
+ struct list_head sln_head; /* Sibling node list
+ * list
+ */
+ int intr_iq_idx; /* Forward interrupt
+ * queue.
+ */
+ int fwevt_iq_idx; /* FW evt queue */
+ struct work_struct evtq_work; /* Worker thread for
+ * HW events.
+ */
+ struct list_head evt_free_q; /* freelist of evt
+ * elements
+ */
+ struct list_head evt_active_q; /* active evt queue*/
+
+ /* board related info */
+ char name[32];
+ char hw_ver[16];
+ char model_desc[32];
+ char drv_version[32];
+ char fwrev_str[32];
+ uint32_t optrom_ver;
+ uint32_t fwrev;
+ uint32_t tp_vers;
+ char chip_ver;
+ uint32_t cfg_finiver;
+ uint32_t cfg_finicsum;
+ uint32_t cfg_cfcsum;
+ uint8_t cfg_csum_status;
+ uint8_t cfg_store;
+ enum csio_dev_state fw_state;
+ struct csio_vpd vpd;
+
+ uint8_t pfn; /* Physical Function
+ * number
+ */
+ uint32_t port_vec; /* Port vector */
+ uint8_t num_pports; /* Number of physical
+ * ports.
+ */
+ uint8_t rst_retries; /* Reset retries */
+ uint8_t cur_evt; /* current s/m evt */
+ uint8_t prev_evt; /* Previous s/m evt */
+ uint32_t dev_num; /* device number */
+ struct csio_pport pport[CSIO_MAX_PPORTS]; /* Ports (XGMACs) */
+ struct csio_hw_params params; /* Hw parameters */
+
+ struct pci_pool *scsi_pci_pool; /* PCI pool for SCSI */
+ mempool_t *mb_mempool; /* Mailbox memory pool*/
+ mempool_t *rnode_mempool; /* rnode memory pool */
+
+ /* Interrupt */
+ enum csio_intr_mode intr_mode; /* INTx, MSI, MSIX */
+ uint32_t fwevt_intr_idx; /* FW evt MSIX/interrupt
+ * index
+ */
+ uint32_t nondata_intr_idx; /* nondata MSIX/intr
+ * idx
+ */
+
+ uint8_t cfg_neq; /* FW configured no of
+ * egress queues
+ */
+ uint8_t cfg_niq; /* FW configured no of
+ * iq queues.
+ */
+
+ struct csio_fcoe_res_info fres_info; /* Fcoe resource info */
+
+ /* MSIX vectors */
+ struct csio_msix_entries msix_entries[CSIO_MAX_MSIX_VECS];
+
+ struct dentry *debugfs_root; /* Debug FS */
+ struct csio_hw_stats stats; /* Hw statistics */
+};
+
+/* Register access macros */
+#define csio_reg(_b, _r) ((_b) + (_r))
+
+#define csio_rd_reg8(_h, _r) readb(csio_reg((_h)->regstart, (_r)))
+#define csio_rd_reg16(_h, _r) readw(csio_reg((_h)->regstart, (_r)))
+#define csio_rd_reg32(_h, _r) readl(csio_reg((_h)->regstart, (_r)))
+#define csio_rd_reg64(_h, _r) readq(csio_reg((_h)->regstart, (_r)))
+
+#define csio_wr_reg8(_h, _v, _r) writeb((_v), \
+ csio_reg((_h)->regstart, (_r)))
+#define csio_wr_reg16(_h, _v, _r) writew((_v), \
+ csio_reg((_h)->regstart, (_r)))
+#define csio_wr_reg32(_h, _v, _r) writel((_v), \
+ csio_reg((_h)->regstart, (_r)))
+#define csio_wr_reg64(_h, _v, _r) writeq((_v), \
+ csio_reg((_h)->regstart, (_r)))
+
+void csio_set_reg_field(struct csio_hw *, uint32_t, uint32_t, uint32_t);
+
+/* Core clocks <==> uSecs */
+static inline uint32_t
+csio_core_ticks_to_us(struct csio_hw *hw, uint32_t ticks)
+{
+ /* add Core Clock / 2 to round ticks to nearest uS */
+ return (ticks * 1000 + hw->vpd.cclk/2) / hw->vpd.cclk;
+}
+
+static inline uint32_t
+csio_us_to_core_ticks(struct csio_hw *hw, uint32_t us)
+{
+ return (us * hw->vpd.cclk) / 1000;
+}
+
+/* Easy access macros */
+#define csio_hw_to_wrm(hw) ((struct csio_wrm *)(&(hw)->wrm))
+#define csio_hw_to_mbm(hw) ((struct csio_mbm *)(&(hw)->mbm))
+#define csio_hw_to_scsim(hw) ((struct csio_scsim *)(&(hw)->scsim))
+#define csio_hw_to_mgmtm(hw) ((struct csio_mgmtm *)(&(hw)->mgmtm))
+
+#define csio_md(hw, idx) (&(hw)->mem_descs[(idx)])
+
+#define CSIO_PCI_BUS(hw) ((hw)->pdev->bus->number)
+#define CSIO_PCI_DEV(hw) (PCI_SLOT((hw)->pdev->devfn))
+#define CSIO_PCI_FUNC(hw) (PCI_FUNC((hw)->pdev->devfn))
+
+#define csio_set_fwevt_intr_idx(_h, _i) ((_h)->fwevt_intr_idx = (_i))
+#define csio_get_fwevt_intr_idx(_h) ((_h)->fwevt_intr_idx)
+#define csio_set_nondata_intr_idx(_h, _i) ((_h)->nondata_intr_idx = (_i))
+#define csio_get_nondata_intr_idx(_h) ((_h)->nondata_intr_idx)
+
+/* Printing/logging */
+#define CSIO_DEVID(__dev) ((__dev)->dev_num)
+#define CSIO_DEVID_LO(__dev) (CSIO_DEVID((__dev)) & 0xFFFF)
+#define CSIO_DEVID_HI(__dev) ((CSIO_DEVID((__dev)) >> 16) & 0xFFFF)
+
+#define csio_info(__hw, __fmt, ...) \
+ dev_info(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__)
+
+#define csio_fatal(__hw, __fmt, ...) \
+ dev_crit(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__)
+
+#define csio_err(__hw, __fmt, ...) \
+ dev_err(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__)
+
+#define csio_warn(__hw, __fmt, ...) \
+ dev_warn(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__)
+
+#ifdef __CSIO_DEBUG__
+#define csio_dbg(__hw, __fmt, ...) \
+ csio_info((__hw), __fmt, ##__VA_ARGS__);
+#else
+#define csio_dbg(__hw, __fmt, ...)
+#endif
+
+csio_retval_t csio_mgmt_req_lookup(struct csio_mgmtm *, struct csio_ioreq *);
+void csio_hw_intr_disable(struct csio_hw *);
+int csio_hw_slow_intr_handler(struct csio_hw *hw);
+csio_retval_t csio_hw_start(struct csio_hw *);
+csio_retval_t csio_hw_stop(struct csio_hw *);
+csio_retval_t csio_hw_reset(struct csio_hw *);
+int csio_is_hw_ready(struct csio_hw *);
+int csio_is_hw_removing(struct csio_hw *);
+
+csio_retval_t csio_fwevtq_handler(struct csio_hw *);
+void csio_evtq_worker(struct work_struct *);
+csio_retval_t csio_enqueue_evt(struct csio_hw *hw, enum csio_evt type,
+ void *evt_msg, uint16_t len);
+void csio_evtq_flush(struct csio_hw *hw);
+
+csio_retval_t csio_request_irqs(struct csio_hw *);
+void csio_intr_enable(struct csio_hw *);
+void csio_intr_disable(struct csio_hw *, bool);
+
+struct csio_lnode *csio_lnode_alloc(struct csio_hw *);
+csio_retval_t csio_config_queues(struct csio_hw *);
+
+csio_retval_t csio_hw_mc_read(struct csio_hw *, uint32_t,
+ uint32_t *, uint64_t *);
+csio_retval_t csio_hw_edc_read(struct csio_hw *, int, uint32_t, uint32_t *,
+ uint64_t *);
+csio_retval_t csio_hw_init(struct csio_hw *);
+void csio_hw_exit(struct csio_hw *);
+#endif /* ifndef __CSIO_HW_H__ */
diff --git a/drivers/scsi/csiostor/csio_init.h b/drivers/scsi/csiostor/csio_init.h
new file mode 100644
index 0000000..0838fd7
--- /dev/null
+++ b/drivers/scsi/csiostor/csio_init.h
@@ -0,0 +1,158 @@
+/*
+ * This file is part of the Chelsio FCoE driver for Linux.
+ *
+ * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __CSIO_INIT_H__
+#define __CSIO_INIT_H__
+
+#include <linux/pci.h>
+#include <linux/if_ether.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include "csio_scsi.h"
+#include "csio_lnode.h"
+#include "csio_rnode.h"
+#include "csio_hw.h"
+
+#define CSIO_DRV_AUTHOR "Chelsio Communications"
+#define CSIO_DRV_LICENSE "Dual BSD/GPL"
+#define CSIO_DRV_DESC "Chelsio FCoE driver"
+#define CSIO_DRV_VERSION "1.0.0"
+
+#define CSIO_DEVICE(devid, idx) \
+{ PCI_VENDOR_ID_CHELSIO, (devid), PCI_ANY_ID, PCI_ANY_ID, 0, 0, (idx) }
+
+#define CSIO_IS_T4_FPGA(_dev) (((_dev) == CSIO_DEVID_PE10K) ||\
+ ((_dev) == CSIO_DEVID_PE10K_PF1))
+
+/* FCoE device IDs */
+#define CSIO_DEVID_PE10K 0xA000
+#define CSIO_DEVID_PE10K_PF1 0xA001
+#define CSIO_DEVID_T440DBG_FCOE 0x4600
+#define CSIO_DEVID_T420CR_FCOE 0x4601
+#define CSIO_DEVID_T422CR_FCOE 0x4602
+#define CSIO_DEVID_T440CR_FCOE 0x4603
+#define CSIO_DEVID_T420BCH_FCOE 0x4604
+#define CSIO_DEVID_T440BCH_FCOE 0x4605
+#define CSIO_DEVID_T440CH_FCOE 0x4606
+#define CSIO_DEVID_T420SO_FCOE 0x4607
+#define CSIO_DEVID_T420CX_FCOE 0x4608
+#define CSIO_DEVID_T420BT_FCOE 0x4609
+#define CSIO_DEVID_T404BT_FCOE 0x460A
+#define CSIO_DEVID_B420_FCOE 0x460B
+#define CSIO_DEVID_B404_FCOE 0x460C
+#define CSIO_DEVID_T480CR_FCOE 0x460D
+#define CSIO_DEVID_T440LPCR_FCOE 0x460E
+
+extern struct fc_function_template csio_fc_transport_funcs;
+extern struct fc_function_template csio_fc_transport_vport_funcs;
+
+void csio_fchost_attr_init(struct csio_lnode *);
+
+/* INTx handlers */
+void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,
+ struct csio_fl_dma_buf *, void *);
+
+void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,
+ struct csio_fl_dma_buf *, void *);
+
+/* Common os lnode APIs */
+void csio_lnodes_block_request(struct csio_hw *);
+void csio_lnodes_unblock_request(struct csio_hw *);
+void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);
+void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);
+
+struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,
+ struct csio_lnode *);
+void csio_shost_exit(struct csio_lnode *);
+void csio_lnodes_exit(struct csio_hw *, bool);
+
+static inline struct Scsi_Host *
+csio_ln_to_shost(struct csio_lnode *ln)
+{
+ return container_of((void *)ln, struct Scsi_Host, hostdata[0]);
+}
+
+/* SCSI -- locking version of get/put ioreqs */
+static inline struct csio_ioreq *
+csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)
+{
+ struct csio_ioreq *ioreq;
+ unsigned long flags;
+
+ spin_lock_irqsave(&scsim->freelist_lock, flags);
+ ioreq = csio_get_scsi_ioreq(scsim);
+ spin_unlock_irqrestore(&scsim->freelist_lock, flags);
+
+ return ioreq;
+}
+
+static inline void
+csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,
+ struct csio_ioreq *ioreq)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&scsim->freelist_lock, flags);
+ csio_put_scsi_ioreq(scsim, ioreq);
+ spin_unlock_irqrestore(&scsim->freelist_lock, flags);
+}
+
+/* Called in interrupt context */
+static inline void
+csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
+ struct list_head *reqlist, int n)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&scsim->freelist_lock, flags);
+ csio_put_scsi_ioreq_list(scsim, reqlist, n);
+ spin_unlock_irqrestore(&scsim->freelist_lock, flags);
+}
+
+/* Called in interrupt context */
+static inline void
+csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
+ struct list_head *reqlist, int n)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&hw->lock, flags);
+ csio_put_scsi_ddp_list(scsim, reqlist, n);
+ spin_unlock_irqrestore(&hw->lock, flags);
+}
+
+#endif /* ifndef __CSIO_INIT_H__ */
--
1.7.1
--
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