/*- * 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. */ /** * @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 */ uint16_t name_len; /*<< Input: Length of name */ uint8_t *value; /*<< Output: user space buffer in which to place the response */ uint32_t value_length; /*<< Input: size of the user space buffer */ int status; /*<< Output: command execution status */ } ocs_ioctl_cmd_get_t; typedef struct { uint8_t *name; /*<< Input: name of property to set */ uint16_t name_len; /*<< Input: Length of name */ 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 */ uint16_t name_len; /*<< Input: Length of name */ 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; /* * boardtemp (DUMP_TYPE4_WKI_TAG_SAT_TEM) response buffer length. */ #define OCS_DUMP_TYPE4_WKI_TAG_SAT_TEM_RESP_LEN (6 * 4) /** * @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) #endif