freebsd-dev/sys/dev/ocs_fc/ocs_ioctl.h

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/*-
* 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