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linux/drivers/scsi/qla2xxx/qla_mr.h
Bart Van Assche 17603237f7 scsi: qla2xxx: Suppress Coverity complaints about dseg_r* 
Change dseq_rq and dseg_rsp from scalar structure members into
single-element arrays such that Coverity does not complain about the
(*cur_dsd)++ statement in append_dsd64().

Link: https://lore.kernel.org/r/20210320232359.941-5-bvanassche@acm.org
Cc: Quinn Tran <qutran@marvell.com>
Cc: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-24 21:47:20 -04:00

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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2014 QLogic Corporation
*/
#ifndef __QLA_MR_H
#define __QLA_MR_H
#include "qla_dsd.h"
/*
* The PCI VendorID and DeviceID for our board.
*/
#define PCI_DEVICE_ID_QLOGIC_ISPF001 0xF001
/* FX00 specific definitions */
#define FX00_COMMAND_TYPE_7 0x07 /* Command Type 7 entry for 7XXX */
struct cmd_type_7_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
uint8_t reserved_0;
uint8_t port_path_ctrl;
uint16_t reserved_1;
__le16 tgt_idx; /* Target Idx. */
uint16_t timeout; /* Command timeout. */
__le16 dseg_count; /* Data segment count. */
uint8_t scsi_rsp_dsd_len;
uint8_t reserved_2;
struct scsi_lun lun; /* LUN (LE). */
uint8_t cntrl_flags;
uint8_t task_mgmt_flags; /* Task management flags. */
uint8_t task;
uint8_t crn;
uint8_t fcp_cdb[MAX_CMDSZ]; /* SCSI command words. */
__le32 byte_count; /* Total byte count. */
struct dsd64 dsd;
};
#define STATUS_TYPE_FX00 0x01 /* Status entry. */
struct sts_entry_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
uint32_t reserved_3; /* System handle. */
__le16 comp_status; /* Completion status. */
uint16_t reserved_0; /* OX_ID used by the firmware. */
__le32 residual_len; /* FW calc residual transfer length. */
uint16_t reserved_1;
uint16_t state_flags; /* State flags. */
uint16_t reserved_2;
__le16 scsi_status; /* SCSI status. */
uint32_t sense_len; /* FCP SENSE length. */
uint8_t data[32]; /* FCP response/sense information. */
};
#define MAX_HANDLE_COUNT 15
#define MULTI_STATUS_TYPE_FX00 0x0D
struct multi_sts_entry_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t handle_count;
uint8_t entry_status;
__le32 handles[MAX_HANDLE_COUNT];
};
#define TSK_MGMT_IOCB_TYPE_FX00 0x05
struct tsk_mgmt_entry_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define;
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
uint32_t reserved_0;
__le16 tgt_id; /* Target Idx. */
uint16_t reserved_1;
uint16_t reserved_3;
uint16_t reserved_4;
struct scsi_lun lun; /* LUN (LE). */
__le32 control_flags; /* Control Flags. */
uint8_t reserved_2[32];
};
#define ABORT_IOCB_TYPE_FX00 0x08 /* Abort IOCB status. */
struct abort_iocb_entry_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
__le32 reserved_0;
__le16 tgt_id_sts; /* Completion status. */
__le16 options;
uint32_t abort_handle; /* System handle. */
__le32 reserved_2;
__le16 req_que_no;
uint8_t reserved_1[38];
};
#define IOCTL_IOSB_TYPE_FX00 0x0C
struct ioctl_iocb_entry_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
uint32_t reserved_0; /* System handle. */
uint16_t comp_func_num;
__le16 fw_iotcl_flags;
__le32 dataword_r; /* Data word returned */
uint32_t adapid; /* Adapter ID */
uint32_t dataword_r_extra;
__le32 seq_no;
uint8_t reserved_2[20];
uint32_t residuallen;
__le32 status;
};
#define STATUS_CONT_TYPE_FX00 0x04
#define FX00_IOCB_TYPE 0x0B
struct fxdisc_entry_fx00 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System Defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
__le32 reserved_0; /* System handle. */
__le16 func_num;
__le16 req_xfrcnt;
__le16 req_dsdcnt;
__le16 rsp_xfrcnt;
__le16 rsp_dsdcnt;
uint8_t flags;
uint8_t reserved_1;
/*
* Use array size 1 below to prevent that Coverity complains about
* the append_dsd64() calls for the two arrays below.
*/
struct dsd64 dseg_rq[1];
struct dsd64 dseg_rsp[1];
__le32 dataword;
__le32 adapid;
__le32 adapid_hi;
__le32 dataword_extra;
};
struct qlafx00_tgt_node_info {
uint8_t tgt_node_wwpn[WWN_SIZE];
uint8_t tgt_node_wwnn[WWN_SIZE];
uint32_t tgt_node_state;
uint8_t reserved[128];
uint32_t reserved_1[8];
uint64_t reserved_2[4];
} __packed;
#define QLAFX00_TGT_NODE_INFO sizeof(struct qlafx00_tgt_node_info)
#define QLAFX00_LINK_STATUS_DOWN 0x10
#define QLAFX00_LINK_STATUS_UP 0x11
#define QLAFX00_PORT_SPEED_2G 0x2
#define QLAFX00_PORT_SPEED_4G 0x4
#define QLAFX00_PORT_SPEED_8G 0x8
#define QLAFX00_PORT_SPEED_10G 0xa
struct port_info_data {
uint8_t port_state;
uint8_t port_type;
uint16_t port_identifier;
uint32_t up_port_state;
uint8_t fw_ver_num[32];
uint8_t portal_attrib;
uint16_t host_option;
uint8_t reset_delay;
uint8_t pdwn_retry_cnt;
uint16_t max_luns2tgt;
uint8_t risc_ver;
uint8_t pconn_option;
uint16_t risc_option;
uint16_t max_frame_len;
uint16_t max_iocb_alloc;
uint16_t exec_throttle;
uint8_t retry_cnt;
uint8_t retry_delay;
uint8_t port_name[8];
uint8_t port_id[3];
uint8_t link_status;
uint8_t plink_rate;
uint32_t link_config;
uint16_t adap_haddr;
uint8_t tgt_disc;
uint8_t log_tout;
uint8_t node_name[8];
uint16_t erisc_opt1;
uint8_t resp_acc_tmr;
uint8_t intr_del_tmr;
uint8_t erisc_opt2;
uint8_t alt_port_name[8];
uint8_t alt_node_name[8];
uint8_t link_down_tout;
uint8_t conn_type;
uint8_t fc_fw_mode;
uint32_t uiReserved[48];
} __packed;
/* OS Type Designations */
#define OS_TYPE_UNKNOWN 0
#define OS_TYPE_LINUX 2
/* Linux Info */
#define SYSNAME_LENGTH 128
#define NODENAME_LENGTH 64
#define RELEASE_LENGTH 64
#define VERSION_LENGTH 64
#define MACHINE_LENGTH 64
#define DOMNAME_LENGTH 64
struct host_system_info {
uint32_t os_type;
char sysname[SYSNAME_LENGTH];
char nodename[NODENAME_LENGTH];
char release[RELEASE_LENGTH];
char version[VERSION_LENGTH];
char machine[MACHINE_LENGTH];
char domainname[DOMNAME_LENGTH];
char hostdriver[VERSION_LENGTH];
uint32_t reserved[64];
} __packed;
struct register_host_info {
struct host_system_info hsi; /* host system info */
uint64_t utc; /* UTC (system time) */
uint32_t reserved[64]; /* future additions */
} __packed;
#define QLAFX00_PORT_DATA_INFO (sizeof(struct port_info_data))
#define QLAFX00_TGT_NODE_LIST_SIZE (sizeof(uint32_t) * 32)
struct config_info_data {
uint8_t model_num[16];
uint8_t model_description[80];
uint8_t reserved0[160];
uint8_t symbolic_name[64];
uint8_t serial_num[32];
uint8_t hw_version[16];
uint8_t fw_version[16];
uint8_t uboot_version[16];
uint8_t fru_serial_num[32];
uint8_t fc_port_count;
uint8_t iscsi_port_count;
uint8_t reserved1[2];
uint8_t mode;
uint8_t log_level;
uint8_t reserved2[2];
uint32_t log_size;
uint8_t tgt_pres_mode;
uint8_t iqn_flags;
uint8_t lun_mapping;
uint64_t adapter_id;
uint32_t cluster_key_len;
uint8_t cluster_key[16];
uint64_t cluster_master_id;
uint64_t cluster_slave_id;
uint8_t cluster_flags;
uint32_t enabled_capabilities;
uint32_t nominal_temp_value;
} __packed;
#define FXDISC_GET_CONFIG_INFO 0x01
#define FXDISC_GET_PORT_INFO 0x02
#define FXDISC_GET_TGT_NODE_INFO 0x80
#define FXDISC_GET_TGT_NODE_LIST 0x81
#define FXDISC_REG_HOST_INFO 0x99
#define FXDISC_ABORT_IOCTL 0xff
#define QLAFX00_HBA_ICNTRL_REG 0x20B08
#define QLAFX00_ICR_ENB_MASK 0x80000000
#define QLAFX00_ICR_DIS_MASK 0x7fffffff
#define QLAFX00_HST_RST_REG 0x18264
#define QLAFX00_SOC_TEMP_REG 0x184C4
#define QLAFX00_HST_TO_HBA_REG 0x20A04
#define QLAFX00_HBA_TO_HOST_REG 0x21B70
#define QLAFX00_HST_INT_STS_BITS 0x7
#define QLAFX00_BAR1_BASE_ADDR_REG 0x40018
#define QLAFX00_PEX0_WIN0_BASE_ADDR_REG 0x41824
#define QLAFX00_INTR_MB_CMPLT 0x1
#define QLAFX00_INTR_RSP_CMPLT 0x2
#define QLAFX00_INTR_ASYNC_CMPLT 0x4
#define QLAFX00_MBA_SYSTEM_ERR 0x8002
#define QLAFX00_MBA_TEMP_OVER 0x8005
#define QLAFX00_MBA_TEMP_NORM 0x8006
#define QLAFX00_MBA_TEMP_CRIT 0x8007
#define QLAFX00_MBA_LINK_UP 0x8011
#define QLAFX00_MBA_LINK_DOWN 0x8012
#define QLAFX00_MBA_PORT_UPDATE 0x8014
#define QLAFX00_MBA_SHUTDOWN_RQSTD 0x8062
#define SOC_SW_RST_CONTROL_REG_CORE0 0x0020800
#define SOC_FABRIC_RST_CONTROL_REG 0x0020840
#define SOC_FABRIC_CONTROL_REG 0x0020200
#define SOC_FABRIC_CONFIG_REG 0x0020204
#define SOC_PWR_MANAGEMENT_PWR_DOWN_REG 0x001820C
#define SOC_INTERRUPT_SOURCE_I_CONTROL_REG 0x0020B00
#define SOC_CORE_TIMER_REG 0x0021850
#define SOC_IRQ_ACK_REG 0x00218b4
#define CONTINUE_A64_TYPE_FX00 0x03 /* Continuation entry. */
#define QLAFX00_SET_HST_INTR(ha, value) \
wrt_reg_dword((ha)->cregbase + QLAFX00_HST_TO_HBA_REG, \
value)
#define QLAFX00_CLR_HST_INTR(ha, value) \
wrt_reg_dword((ha)->cregbase + QLAFX00_HBA_TO_HOST_REG, \
~value)
#define QLAFX00_RD_INTR_REG(ha) \
rd_reg_dword((ha)->cregbase + QLAFX00_HBA_TO_HOST_REG)
#define QLAFX00_CLR_INTR_REG(ha, value) \
wrt_reg_dword((ha)->cregbase + QLAFX00_HBA_TO_HOST_REG, \
~value)
#define QLAFX00_SET_HBA_SOC_REG(ha, off, val)\
wrt_reg_dword((ha)->cregbase + off, val)
#define QLAFX00_GET_HBA_SOC_REG(ha, off)\
rd_reg_dword((ha)->cregbase + off)
#define QLAFX00_HBA_RST_REG(ha, val)\
wrt_reg_dword((ha)->cregbase + QLAFX00_HST_RST_REG, val)
#define QLAFX00_RD_ICNTRL_REG(ha) \
rd_reg_dword((ha)->cregbase + QLAFX00_HBA_ICNTRL_REG)
#define QLAFX00_ENABLE_ICNTRL_REG(ha) \
wrt_reg_dword((ha)->cregbase + QLAFX00_HBA_ICNTRL_REG, \
(QLAFX00_GET_HBA_SOC_REG(ha, QLAFX00_HBA_ICNTRL_REG) | \
QLAFX00_ICR_ENB_MASK))
#define QLAFX00_DISABLE_ICNTRL_REG(ha) \
wrt_reg_dword((ha)->cregbase + QLAFX00_HBA_ICNTRL_REG, \
(QLAFX00_GET_HBA_SOC_REG(ha, QLAFX00_HBA_ICNTRL_REG) & \
QLAFX00_ICR_DIS_MASK))
#define QLAFX00_RD_REG(ha, off) \
rd_reg_dword((ha)->cregbase + off)
#define QLAFX00_WR_REG(ha, off, val) \
wrt_reg_dword((ha)->cregbase + off, val)
struct qla_mt_iocb_rqst_fx00 {
__le32 reserved_0;
__le16 func_type;
uint8_t flags;
uint8_t reserved_1;
__le32 dataword;
__le32 adapid;
__le32 adapid_hi;
__le32 dataword_extra;
__le16 req_len;
__le16 reserved_2;
__le16 rsp_len;
__le16 reserved_3;
};
struct qla_mt_iocb_rsp_fx00 {
uint32_t reserved_1;
uint16_t func_type;
__le16 ioctl_flags;
__le32 ioctl_data;
uint32_t adapid;
uint32_t adapid_hi;
uint32_t reserved_2;
__le32 seq_number;
uint8_t reserved_3[20];
int32_t res_count;
__le32 status;
};
#define MAILBOX_REGISTER_COUNT_FX00 16
#define AEN_MAILBOX_REGISTER_COUNT_FX00 8
#define MAX_FIBRE_DEVICES_FX00 512
#define MAX_LUNS_FX00 0x1024
#define MAX_TARGETS_FX00 MAX_ISA_DEVICES
#define REQUEST_ENTRY_CNT_FX00 512 /* Number of request entries. */
#define RESPONSE_ENTRY_CNT_FX00 256 /* Number of response entries.*/
/*
* Firmware state codes for QLAFX00 adapters
*/
#define FSTATE_FX00_CONFIG_WAIT 0x0000 /* Waiting for driver to issue
* Initialize FW Mbox cmd
*/
#define FSTATE_FX00_INITIALIZED 0x1000 /* FW has been initialized by
* the driver
*/
#define FX00_DEF_RATOV 10
struct mr_data_fx00 {
uint8_t symbolic_name[64];
uint8_t serial_num[32];
uint8_t hw_version[16];
uint8_t fw_version[16];
uint8_t uboot_version[16];
uint8_t fru_serial_num[32];
fc_port_t fcport; /* fcport used for requests
* that are not linked
* to a particular target
*/
uint8_t fw_hbt_en;
uint8_t fw_hbt_cnt;
uint8_t fw_hbt_miss_cnt;
uint32_t old_fw_hbt_cnt;
uint16_t fw_reset_timer_tick;
uint8_t fw_reset_timer_exp;
uint16_t fw_critemp_timer_tick;
uint32_t old_aenmbx0_state;
uint32_t critical_temperature;
bool extended_io_enabled;
bool host_info_resend;
uint8_t hinfo_resend_timer_tick;
};
#define QLAFX00_EXTENDED_IO_EN_MASK 0x20
/*
* SoC Junction Temperature is stored in
* bits 9:1 of SoC Junction Temperature Register
* in a firmware specific format format.
* To get the temperature in Celsius degrees
* the value from this bitfiled should be converted
* using this formula:
* Temperature (degrees C) = ((3,153,000 - (10,000 * X)) / 13,825)
* where X is the bit field value
* this macro reads the register, extracts the bitfield value,
* performs the calcualtions and returns temperature in Celsius
*/
#define QLAFX00_GET_TEMPERATURE(ha) ((3153000 - (10000 * \
((QLAFX00_RD_REG(ha, QLAFX00_SOC_TEMP_REG) & 0x3FE) >> 1))) / 13825)
#define QLAFX00_LOOP_DOWN_TIME 615 /* 600 */
#define QLAFX00_HEARTBEAT_INTERVAL 6 /* number of seconds */
#define QLAFX00_HEARTBEAT_MISS_CNT 3 /* number of miss */
#define QLAFX00_RESET_INTERVAL 120 /* number of seconds */
#define QLAFX00_MAX_RESET_INTERVAL 600 /* number of seconds */
#define QLAFX00_CRITEMP_INTERVAL 60 /* number of seconds */
#define QLAFX00_HINFO_RESEND_INTERVAL 60 /* number of seconds */
#define QLAFX00_CRITEMP_THRSHLD 80 /* Celsius degrees */
/* Max conncurrent IOs that can be queued */
#define QLAFX00_MAX_CANQUEUE 1024
/* IOCTL IOCB abort success */
#define QLAFX00_IOCTL_ICOB_ABORT_SUCCESS 0x68
#endif
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