This patch contains the first set of the header files for csiostor driver. Signed-off-by: Naresh Kumar Inna <naresh@xxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html