FreeBSD/Linux Kernel Cross Reference
sys/dev/ocs_fc/ocs_ioctl.h

     /*-
      * Copyright (c) 2017 Broadcom. All rights reserved.
      * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
      *
      * 1. Redistributions of source code must retain the above copyright notice,
      *    this list of conditions and the following disclaimer.
     *
     * 2. 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.
     *
     * 3. Neither the name of the copyright holder nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    /**
     * @file
     * Common declartaions for the driver's IOCTL interface
     */
    
    #if !defined(__OCS_IOCTL_H__)
    #define __OCS_IOCTL_H__
    
    /**
     * @brief OCS test ioctl
     *
     * Simple structure for testing the IOCTL interface
     */
    
    typedef struct {
            char string[32];                /**< fixed string buffer */
    } ocs_ioctl_test_t;
    
    /**
     * @brief DRIVER_INFO ioctl structure
     *
     * Structure is returned whtn the OCS_IOCTL_CMD_DRIVER_INFO is issued by a user space program.
     */
    
    typedef struct {
            uint16_t pci_vendor;            /**< PCI vender ID value (binary) */
            uint16_t pci_device;            /**< PCI device ID value (binary) */
            char businfo[16];               /**< Bus information (text) */
            uint32_t sli_intf;              /**< SLI_INTF register value (binary) */
            char desc[64];                  /**< description (text) */
            char fw_rev[32];                /**< firmware revision (text) */
            union {
                struct {
                    uint8_t wwnn[8];                /**< WWNN (binary) */
                    uint8_t wwpn[8];                /**< WWPN (binary) */
                } fc;
                struct {
                    uint8_t mac_addr[6];            /**< MAC address (binary) */
                    uint8_t reserved[10];
                } iscsi;
            } hw_addr;
            char serialnum[32];             /**< board serial number (text) */
    } ocs_ioctl_driver_info_t;
    
    #define ELXU_BSD_MAGIC  0x30584c45
    
    /**
     * @brief IOCTL_CMD_IOCTL_ELXU_MBOX ioctl structure
     *
     * Structure used to submit elxsdkutil mailbox requests for firmware download and
     * dump file retrieveal.
     */
    
    typedef struct {
        uint32_t    magic;                  /**< magic number */
        uint32_t    size;                   /**< size of MBX command */
        uint8_t     payload[256];           /**< MBX command in/out payload buffer */
        uint64_t    in_addr;                /**< user space address of input buffer */
        uint64_t    in_bytes;               /**< length of user space input buffer in bytes */
        uint64_t    out_addr;               /**< user space address of output buffer */
        uint64_t    out_bytes;              /**< length of user space output buffer in bytes */
    } ocs_ioctl_elxu_mbox_t;
    
    enum {
            ocs_ioctl_scsi_cmd_loop,        /**< Start command loop */
            ocs_ioctl_scsi_cmd_loop_wait,   /**< Start command loop and wait for completion */
           ocs_ioctl_scsi_cmd_stop,        /**< Stop command loop */
           ocs_ioctl_scsi_cmd,             /**< Start one command */
           ocs_ioctl_scsi_cmd_wait,        /**< Wait for a command to complete */
           ocs_ioctl_scsi_cmd_abort,       /**< Start an abort */
           ocs_ioctl_scsi_cmd_tmf,         /**< Start a tmf */
           ocs_ioctl_els_send,             /**< Start an ELS */
           ocs_ioctl_tgt_logout,           /**< logout of a target */
           ocs_ioctl_scsi_cmd_wait_any,    /**< Wait for any command to complete */
   };
   
   enum {
           ocs_ioctl_scsi_cmd_rd = (1U << 0),      /**< direction is read */
           ocs_ioctl_scsi_cmd_wr = (1U << 1),      /**< direction is write */
   };
   
   /**
    * @brief OCS_IOCTL_CMD_SCSI_CMD ioctl command structure
    */
   
   typedef enum {
           DIF_OP_DISABLE = 0,
           DIF_OP_IN_NODIF_OUT_CRC,
           DIF_OP_IN_CRC_OUT_NODIF,
           DIF_OP_IN_NODIF_OUT_CHKSUM,
           DIF_OP_IN_CHKSUM_OUT_NODIF,
           DIF_OP_IN_CRC_OUT_CRC,
           DIF_OP_IN_CHKSUM_OUT_CHKSUM,
           DIF_OP_IN_CRC_OUT_CHKSUM,
           DIF_OP_IN_CHKSUM_OUT_CRC,
           DIF_OP_IN_RAW_OUT_RAW,
           } dif_op_t;
   
   #define DIF_OP_PASS_THRU                DIF_OP_IN_CRC_OUT_CRC
   #define DIF_OP_STRIP                    DIF_OP_IN_CRC_OUT_NODIF
   #define DIF_OP_INSERT                   DIF_OP_IN_NODIF_OUT_CRC
   
   typedef struct {
           dif_op_t dif_op;
           uint32_t
                   check_ref_tag:1,        /* check reference tag on initiator writes */
                   check_app_tag:1,        /* check application tag on initiator writes */
                   check_guard:1,          /* check CRC on initiator writes */
                   dif_separate:1;         /* use DIF separate transfers */
           uint32_t ref_tag;               /* DIF reference tag */
           uint16_t app_tag;               /* DIF application tag */
           uint32_t blocksize;             /* DIF blocksize */
   } dif_info_t;
   
   typedef struct {
           int command;                    /**< SCSI command request command */
           uint32_t target_idx;            /**< Target device index */
           uint32_t dir;                   /**< rd or wr */
           uint32_t lun;                   /**< lun value */
           int32_t  tmf;                   /**< TMF */
           uint8_t cdb[32];                /**< SCSI CDB */
           uint32_t cdb_len;               /**< SCSI CDB length in bytes */
           uint32_t els_cmd;               /**< ELS command */
           uint32_t flags;                 /**< command flags */
           uint32_t queue_depth;           /**< queue depth for command looping */
           uint32_t payload_length;        /**< payload length for command */
           uint32_t dif_payload_length;    /**< DIF payload length for command if separate */
           uint32_t io_count;              /**< command count for looping */
           uint32_t io_timeout;            /**< IO timeout in seconds (0 = no timeout) */
   
           uint32_t directio;              /**< If set, DMA to and from user buffers */
   
           uint32_t first_burst:1;         /**< If true send IO writes with first burst */
           uint32_t first_burst_size;      /**< If first burst is enabled, then this size */
   
           int32_t wait_timeout_usec;      /**< Wait timeout (usec) for wait, wait_any */
   
           /* T10-PI */
           dif_info_t dif;                 /* DIF info */
   
           /* user space buffers */
           void *payload;                  /**< pointer to user space payload buffer */
           void *dif_payload;              /**< pointer to DIF block data if separate */
           uint8_t scsi_status;            /**< SCSI status */
           uint16_t scsi_status_qualifier; /**< SCSI status qualifier */
           void *sense_data;               /**< pointer to sense data buffer */
           uint32_t sense_data_length;     /**< length of sense data buffer (call=buffer leng, return=data written) */
           int32_t residual;               /**< residual */
           uint32_t tag_to_abort;          /**< tag to abort for an abort task request */
   
           /* return value */
           int32_t status;                 /**< returned status */
           uint32_t data_transferred;      /**< updated with data transferred */
           uint32_t tag;                   /**< returned unique I/O context tag */
   
           /* for scsi loop */
           uint32_t submit_count;          /**< count of submitted IOs */
           uint32_t complete_count;        /**< count of completed IOs */
   } ocs_ioctl_scsi_cmd_t;
   
   /**
    * @brief coredump helper function command values
    */
   
   typedef enum {
           OCS_ECD_HELPER_CFG_READ8,
           OCS_ECD_HELPER_CFG_READ16,
           OCS_ECD_HELPER_CFG_READ32,
           OCS_ECD_HELPER_CFG_WRITE8,
           OCS_ECD_HELPER_CFG_WRITE16,
           OCS_ECD_HELPER_CFG_WRITE32,
           OCS_ECD_HELPER_BAR_READ8,
           OCS_ECD_HELPER_BAR_READ16,
           OCS_ECD_HELPER_BAR_READ32,
           OCS_ECD_HELPER_BAR_WRITE8,
           OCS_ECD_HELPER_BAR_WRITE16,
           OCS_ECD_HELPER_BAR_WRITE32,
   } ocs_ecd_helper_cmd_t;
   
   /**
    * @brief OCS_IOCTL_CMD_ECD_HELPER ioctl structure
    */
   
   typedef struct {
           ocs_ecd_helper_cmd_t cmd;       /*<< coredump helper function command */
           uint32_t bar;                   /*<< BAR value to use */
           uint32_t offset;                /*<< offset value to use */
           uint32_t data;                  /*<< 32 bit data value to write or return read data in */
           int status;                     /*<< status of helper function request */
   } ocs_ioctl_ecd_helper_t;
   
   /**
    * @brief OCS_IOCTL_CMD_VPORT ioctl structure
    */
   
   typedef struct {
           uint32_t domain_index;          /*<< domain instance index */
           uint32_t req_create:1,          /*<< 1 = create vport, zero = remove vport */
                    enable_ini:1,          /*<< 1 = enable vport as an initiator */
                    enable_tgt:1;          /*<< 1 = enable vport as a target */
           uint64_t wwpn;                  /*<< wwpn to create or delete */
           uint64_t wwnn;                  /*<< wwnn to create or delete */
           int status;                     /*<< status of helper function request */
   } ocs_ioctl_vport_t;
   
   /**
    * @brief connection info ioctl structure
    *
    * Structure is returned when the OCS_IOCTL_CMD_CONNECTION_INFO is issued by a user space program.
    */
   typedef struct {
           uint32_t connection_handle;
           uint16_t connection_id;
           uint8_t source_ip_type;
           uint8_t source_ip[16];
           uint16_t source_port;
           uint8_t dest_ip_type;
           uint8_t dest_ip[16];
           uint16_t dest_port;
   } ocs_ioctl_connection_info_t;
   
   typedef struct {
           uint32_t max_connections;
           uint32_t num_connections;
           ocs_ioctl_connection_info_t *connections;
   } ocs_ioctl_connections_t;
   
   /**
    * @brief driver-dump actions
    */
   
   typedef enum {
           OCS_IOCTL_DDUMP_GET,
           OCS_IOCTL_DDUMP_GET_SAVED,
           OCS_IOCTL_DDUMP_CLR_SAVED,
   } ocs_ddump_action_t;
   
   #define OCS_IOCTL_DDUMP_FLAGS_WQES      (1U << 0)
   #define OCS_IOCTL_DDUMP_FLAGS_CQES      (1U << 1)
   #define OCS_IOCTL_DDUMP_FLAGS_MQES      (1U << 2)
   #define OCS_IOCTL_DDUMP_FLAGS_RQES      (1U << 3)
   #define OCS_IOCTL_DDUMP_FLAGS_EQES      (1U << 4)
   
   typedef struct {
           ocs_ddump_action_t action;
           uint32_t flags;
           uint32_t q_entries;
   } ocs_ioctl_ddump_arg_t;
   
   /**
    * @brief OCS_CTL_CMD_GET_DDUMP ioctl structure
    */
   
   typedef struct {
           ocs_ioctl_ddump_arg_t args;     /*<< arguments for ddump */
           uint8_t *user_buffer;           /*<< pointer to user space buffer */
           uint32_t user_buffer_len;       /*<< length in bytes of user space buffer */
           uint32_t bytes_written;         /*<< number of bytes written */
   } ocs_ioctl_ddump_t;
   
   /**
    * @brief OCS_CTL_CMD_GET_STATUS, OCS_CTL_CMD_GET_CONFIG
    */
   
   typedef struct {
           uint8_t *user_buffer;           /*<< pointer to user space buffer */
           uint32_t user_buffer_len;       /*<< length in bytes of user space buffer */
           uint32_t bytes_written;         /*<< number of bytes written */
   } ocs_ioctl_mgmt_buffer_t;
   
   typedef struct {
           uint8_t         *name;                  /*<< Input: name of property to retrieve */
           uint8_t         *value;                 /*<< Output: user space buffer in which to place the response */
           uint32_t        value_length;           /*<< Input: size of the user space buffer */
   } ocs_ioctl_cmd_get_t;
   
   typedef struct {
           uint8_t         *name;                  /*<< Input: name of property to set */
           uint8_t         *value;                 /*<< Input: user space buffer which contains the new value */
           int32_t         result;                 /*<< Output: result */
   } ocs_ioctl_cmd_set_t;
   
   typedef struct {
           uint8_t         *name;                  /*<< Input: name of action to execute */
           void            *arg_in;                /*<< Input: pointer to argument in user space */
           uint32_t        arg_in_length;          /*<< Input: size of arg_in in bytes */
           void            *arg_out;               /*<< Output: pointer to argument from kernel to user */
           uint32_t        arg_out_length;         /*<< Input: size of arg_out in bytes */
           int32_t         result;                 /*<< Output: result */
   } ocs_ioctl_action_t;
   
   #define FC_HEADER_LEN   24
   typedef struct {
           uint8_t         fc_header[FC_HEADER_LEN]; /*<< FC Header to send */
           uint8_t         *payload;               /*<< payload */
           uint32_t        payload_len;            /*<< payload length (bytes) */
           uint8_t         sof;                    /*<< SOF value */
           uint8_t         eof;                    /*<< EOF Value */
   } ocs_ioctl_send_frame_t;
   
   /**
    * @brief linkcfg strings
    */
   #define OCS_CONFIG_LINKCFG_4X10G        "ETH_4x10G"
   #define OCS_CONFIG_LINKCFG_1X40G        "ETH_1x40G"
   #define OCS_CONFIG_LINKCFG_2X16G        "FC_2x16G"
   #define OCS_CONFIG_LINKCFG_4X8G         "FC_4x8G"
   #define OCS_CONFIG_LINKCFG_4X1G         "FC_4x1G"
   #define OCS_CONFIG_LINKCFG_2X10G        "ETH_2x10G"
   #define OCS_CONFIG_LINKCFG_2X10G_2X8G   "ETH_2x10G_FC_2x8G"
   #define OCS_CONFIG_LINKCFG_UNKNOWN      "UNKNOWN"
   
   #define OCS_IOCTL_CMD_BASE              'o'
   #define OCS_IOCTL_CMD_TEST              _IOWR(OCS_IOCTL_CMD_BASE, 1, ocs_ioctl_test_t)
   #define OCS_IOCTL_CMD_ELXU_MBOX         _IOWR(OCS_IOCTL_CMD_BASE, 2, ocs_ioctl_elxu_mbox_t)
   #define OCS_IOCTL_CMD_SCSI_CMD          _IOWR(OCS_IOCTL_CMD_BASE, 3, ocs_ioctl_scsi_cmd_t)
   #define OCS_IOCTL_CMD_DRIVER_INFO       _IOWR(OCS_IOCTL_CMD_BASE, 4, ocs_ioctl_driver_info_t)
   #define OCS_IOCTL_CMD_ECD_HELPER        _IOWR(OCS_IOCTL_CMD_BASE, 5, ocs_ioctl_ecd_helper_t)
   #define OCS_IOCTL_CMD_CONNECTION_INFO   _IOWR(OCS_IOCTL_CMD_BASE, 6, ocs_ioctl_connection_info_t)
   #define OCS_IOCTL_CMD_VPORT             _IOWR(OCS_IOCTL_CMD_BASE, 7, ocs_ioctl_vport_t)
   #define OCS_IOCTL_CMD_GET_DDUMP         _IOWR(OCS_IOCTL_CMD_BASE, 8, ocs_ioctl_ddump_t)
   #define OCS_IOCTL_CMD_MGMT_GET          _IOWR(OCS_IOCTL_CMD_BASE, 9, ocs_ioctl_cmd_get_t)
   #define OCS_IOCTL_CMD_MGMT_GET_ALL      _IOWR(OCS_IOCTL_CMD_BASE, 10, ocs_ioctl_mgmt_buffer_t)
   #define OCS_IOCTL_CMD_MGMT_SET          _IOWR(OCS_IOCTL_CMD_BASE, 11, ocs_ioctl_cmd_set_t)
   #define OCS_IOCTL_CMD_MGMT_LIST         _IOWR(OCS_IOCTL_CMD_BASE, 12, ocs_ioctl_mgmt_buffer_t)
   #define OCS_IOCTL_CMD_MGMT_EXEC         _IOWR(OCS_IOCTL_CMD_BASE, 13, ocs_ioctl_action_t)
   #define OCS_IOCTL_CMD_LINK_ONLINE       _IOWR(OCS_IOCTL_CMD_BASE, 16, int)
   #define OCS_IOCTL_CMD_GEN_DUMP          _IOWR(OCS_IOCTL_CMD_BASE, 17, int)
   #define OCS_IOCTL_CMD_UNLOAD            _IO(OCS_IOCTL_CMD_BASE, 18)
   #define OCS_IOCTL_CMD_SEND_FRAME        _IOWR(OCS_IOCTL_CMD_BASE, 19, ocs_ioctl_send_frame_t)
   
   extern void ocs_info_get_xport_address(ocs_t *ocs, ocs_ioctl_driver_info_t *info);
   extern int32_t ocs_device_ioctl_xport(ocs_t *ocs, unsigned int cmd, unsigned long arg);
   #endif 

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