ql4_fw.h

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/*
 * QLogic iSCSI HBA Driver
 * Copyright (c)  2003-2006 QLogic Corporation
 *
 * See LICENSE.qla4xxx for copyright and licensing details.
 */

#ifndef _QLA4X_FW_H
#define _QLA4X_FW_H


#define MAX_PRST_DEV_DB_ENTRIES		64
#define MIN_DISC_DEV_DB_ENTRY		MAX_PRST_DEV_DB_ENTRIES
#define MAX_DEV_DB_ENTRIES 512

/*************************************************************************
 *
 *		ISP 4010 I/O Register Set Structure and Definitions
 *
 *************************************************************************/

struct port_ctrl_stat_regs {
	__le32 ext_hw_conf;	/* 0x50  R/W */
	__le32 rsrvd0;		/* 0x54 */
	__le32 port_ctrl;	/* 0x58 */
	__le32 port_status;	/* 0x5c */
	__le32 rsrvd1[32];	/* 0x60-0xdf */
	__le32 gp_out;		/* 0xe0 */
	__le32 gp_in;		/* 0xe4 */
	__le32 rsrvd2[5];	/* 0xe8-0xfb */
	__le32 port_err_status; /* 0xfc */
};

struct host_mem_cfg_regs {
	__le32 rsrvd0[12];	/* 0x50-0x79 */
	__le32 req_q_out;	/* 0x80 */
	__le32 rsrvd1[31];	/* 0x84-0xFF */
};

/*  remote register set (access via PCI memory read/write) */
struct isp_reg {
#define MBOX_REG_COUNT 8
	__le32 mailbox[MBOX_REG_COUNT];

	__le32 flash_address;	/* 0x20 */
	__le32 flash_data;
	__le32 ctrl_status;

	union {
		struct {
			__le32 nvram;
			__le32 reserved1[2]; /* 0x30 */
		} __attribute__ ((packed)) isp4010;
		struct {
			__le32 intr_mask;
			__le32 nvram; /* 0x30 */
			__le32 semaphore;
		} __attribute__ ((packed)) isp4022;
	} u1;

	__le32 req_q_in;    /* SCSI Request Queue Producer Index */
	__le32 rsp_q_out;   /* SCSI Completion Queue Consumer Index */

	__le32 reserved2[4];	/* 0x40 */

	union {
		struct {
			__le32 ext_hw_conf; /* 0x50 */
			__le32 flow_ctrl;
			__le32 port_ctrl;
			__le32 port_status;

			__le32 reserved3[8]; /* 0x60 */

			__le32 req_q_out; /* 0x80 */

			__le32 reserved4[23]; /* 0x84 */

			__le32 gp_out; /* 0xe0 */
			__le32 gp_in;

			__le32 reserved5[5];

			__le32 port_err_status; /* 0xfc */
		} __attribute__ ((packed)) isp4010;
		struct {
			union {
				struct port_ctrl_stat_regs p0;
				struct host_mem_cfg_regs p1;
			};
		} __attribute__ ((packed)) isp4022;
	} u2;
};				/* 256 x100 */


/* Semaphore Defines for 4010 */
#define QL4010_DRVR_SEM_BITS	0x00000030
#define QL4010_GPIO_SEM_BITS	0x000000c0
#define QL4010_SDRAM_SEM_BITS	0x00000300
#define QL4010_PHY_SEM_BITS	0x00000c00
#define QL4010_NVRAM_SEM_BITS	0x00003000
#define QL4010_FLASH_SEM_BITS	0x0000c000

#define QL4010_DRVR_SEM_MASK	0x00300000
#define QL4010_GPIO_SEM_MASK	0x00c00000
#define QL4010_SDRAM_SEM_MASK	0x03000000
#define QL4010_PHY_SEM_MASK	0x0c000000
#define QL4010_NVRAM_SEM_MASK	0x30000000
#define QL4010_FLASH_SEM_MASK	0xc0000000

/* Semaphore Defines for 4022 */
#define QL4022_RESOURCE_MASK_BASE_CODE 0x7
#define QL4022_RESOURCE_BITS_BASE_CODE 0x4


#define QL4022_DRVR_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (1+16))
#define QL4022_DDR_RAM_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (4+16))
#define QL4022_PHY_GIO_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (7+16))
#define QL4022_NVRAM_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (10+16))
#define QL4022_FLASH_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (13+16))



/* Page # defines for 4022 */
#define PORT_CTRL_STAT_PAGE			0	/* 4022 */
#define HOST_MEM_CFG_PAGE			1	/* 4022 */
#define LOCAL_RAM_CFG_PAGE			2	/* 4022 */
#define PROT_STAT_PAGE				3	/* 4022 */

/* Register Mask - sets corresponding mask bits in the upper word */
static inline uint32_t set_rmask(uint32_t val)
{
	return (val & 0xffff) | (val << 16);
}


static inline uint32_t clr_rmask(uint32_t val)
{
	return 0 | (val << 16);
}

/*  ctrl_status definitions */
#define CSR_SCSI_PAGE_SELECT			0x00000003
#define CSR_SCSI_INTR_ENABLE			0x00000004	/* 4010 */
#define CSR_SCSI_RESET_INTR			0x00000008
#define CSR_SCSI_COMPLETION_INTR		0x00000010
#define CSR_SCSI_PROCESSOR_INTR			0x00000020
#define CSR_INTR_RISC				0x00000040
#define CSR_BOOT_ENABLE				0x00000080
#define CSR_NET_PAGE_SELECT			0x00000300	/* 4010 */
#define CSR_FUNC_NUM				0x00000700	/* 4022 */
#define CSR_NET_RESET_INTR			0x00000800	/* 4010 */
#define CSR_FORCE_SOFT_RESET			0x00002000	/* 4022 */
#define CSR_FATAL_ERROR				0x00004000
#define CSR_SOFT_RESET				0x00008000
#define ISP_CONTROL_FN_MASK			CSR_FUNC_NUM
#define ISP_CONTROL_FN0_SCSI			0x0500
#define ISP_CONTROL_FN1_SCSI			0x0700

#define INTR_PENDING				(CSR_SCSI_COMPLETION_INTR |\
						 CSR_SCSI_PROCESSOR_INTR |\
						 CSR_SCSI_RESET_INTR)

/* ISP InterruptMask definitions */
#define IMR_SCSI_INTR_ENABLE			0x00000004	/* 4022 */

/* ISP 4022 nvram definitions */
#define NVR_WRITE_ENABLE			0x00000010	/* 4022 */

/*  ISP port_status definitions */

/*  ISP Semaphore definitions */

/*  ISP General Purpose Output definitions */
#define GPOR_TOPCAT_RESET			0x00000004

/*  shadow registers (DMA'd from HA to system memory.  read only) */
struct shadow_regs {
	/* SCSI Request Queue Consumer Index */
	__le32 req_q_out;	/*  0 x0   R */

	/* SCSI Completion Queue Producer Index */
	__le32 rsp_q_in;	/*  4 x4   R */
};		  /*  8 x8 */


/*  External hardware configuration register */
union external_hw_config_reg {
	struct {
		/* FIXME: Do we even need this?	 All values are
		 * referred to by 16 bit quantities.  Platform and
		 * endianess issues. */
		__le32 bReserved0:1;
		__le32 bSDRAMProtectionMethod:2;
		__le32 bSDRAMBanks:1;
		__le32 bSDRAMChipWidth:1;
		__le32 bSDRAMChipSize:2;
		__le32 bParityDisable:1;
		__le32 bExternalMemoryType:1;
		__le32 bFlashBIOSWriteEnable:1;
		__le32 bFlashUpperBankSelect:1;
		__le32 bWriteBurst:2;
		__le32 bReserved1:3;
		__le32 bMask:16;
	};
	uint32_t Asuint32_t;
};

/*************************************************************************
 *
 *		Mailbox Commands Structures and Definitions
 *
 *************************************************************************/

/*  Mailbox command definitions */
#define MBOX_CMD_ABOUT_FW			0x0009
#define MBOX_CMD_PING				0x000B
#define MBOX_CMD_LUN_RESET			0x0016
#define MBOX_CMD_GET_MANAGEMENT_DATA		0x001E
#define MBOX_CMD_GET_FW_STATUS			0x001F
#define MBOX_CMD_SET_ISNS_SERVICE		0x0021
#define ISNS_DISABLE				0
#define ISNS_ENABLE				1
#define MBOX_CMD_COPY_FLASH			0x0024
#define MBOX_CMD_WRITE_FLASH			0x0025
#define MBOX_CMD_READ_FLASH			0x0026
#define MBOX_CMD_CLEAR_DATABASE_ENTRY		0x0031
#define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT		0x0056
#define LOGOUT_OPTION_CLOSE_SESSION		0x01
#define LOGOUT_OPTION_RELOGIN			0x02
#define MBOX_CMD_EXECUTE_IOCB_A64		0x005A
#define MBOX_CMD_INITIALIZE_FIRMWARE		0x0060
#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK		0x0061
#define MBOX_CMD_REQUEST_DATABASE_ENTRY		0x0062
#define MBOX_CMD_SET_DATABASE_ENTRY		0x0063
#define MBOX_CMD_GET_DATABASE_ENTRY		0x0064
#define DDB_DS_UNASSIGNED			0x00
#define DDB_DS_NO_CONNECTION_ACTIVE		0x01
#define DDB_DS_SESSION_ACTIVE			0x04
#define DDB_DS_SESSION_FAILED			0x06
#define DDB_DS_LOGIN_IN_PROCESS			0x07
#define MBOX_CMD_GET_FW_STATE			0x0069
#define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A
#define MBOX_CMD_RESTORE_FACTORY_DEFAULTS	0x0087
#define MBOX_CMD_SET_ACB			0x0088
#define MBOX_CMD_GET_ACB			0x0089
#define MBOX_CMD_DISABLE_ACB			0x008A
#define MBOX_CMD_GET_IPV6_NEIGHBOR_CACHE	0x008B
#define MBOX_CMD_GET_IPV6_DEST_CACHE		0x008C
#define MBOX_CMD_GET_IPV6_DEF_ROUTER_LIST	0x008D
#define MBOX_CMD_GET_IPV6_LCL_PREFIX_LIST	0x008E
#define MBOX_CMD_SET_IPV6_NEIGHBOR_CACHE	0x0090
#define MBOX_CMD_GET_IP_ADDR_STATE		0x0091
#define MBOX_CMD_SEND_IPV6_ROUTER_SOL		0x0092
#define MBOX_CMD_GET_DB_ENTRY_CURRENT_IP_ADDR	0x0093

/* Mailbox 1 */
#define FW_STATE_READY				0x0000
#define FW_STATE_CONFIG_WAIT			0x0001
#define FW_STATE_WAIT_LOGIN			0x0002
#define FW_STATE_ERROR				0x0004
#define FW_STATE_DHCP_IN_PROGRESS		0x0008

/* Mailbox 3 */
#define FW_ADDSTATE_OPTICAL_MEDIA		0x0001
#define FW_ADDSTATE_DHCP_ENABLED		0x0002
#define FW_ADDSTATE_LINK_UP			0x0010
#define FW_ADDSTATE_ISNS_SVC_ENABLED		0x0020
#define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS	0x006B
#define MBOX_CMD_CONN_OPEN_SESS_LOGIN		0x0074
#define MBOX_CMD_GET_CRASH_RECORD		0x0076	/* 4010 only */
#define MBOX_CMD_GET_CONN_EVENT_LOG		0x0077

/*  Mailbox status definitions */
#define MBOX_COMPLETION_STATUS			4
#define MBOX_STS_BUSY				0x0007
#define MBOX_STS_INTERMEDIATE_COMPLETION	0x1000
#define MBOX_STS_COMMAND_COMPLETE		0x4000
#define MBOX_STS_COMMAND_ERROR			0x4005

#define MBOX_ASYNC_EVENT_STATUS			8
#define MBOX_ASTS_SYSTEM_ERROR			0x8002
#define MBOX_ASTS_REQUEST_TRANSFER_ERROR	0x8003
#define MBOX_ASTS_RESPONSE_TRANSFER_ERROR	0x8004
#define MBOX_ASTS_PROTOCOL_STATISTIC_ALARM	0x8005
#define MBOX_ASTS_SCSI_COMMAND_PDU_REJECTED	0x8006
#define MBOX_ASTS_LINK_UP			0x8010
#define MBOX_ASTS_LINK_DOWN			0x8011
#define MBOX_ASTS_DATABASE_CHANGED		0x8014
#define MBOX_ASTS_UNSOLICITED_PDU_RECEIVED	0x8015
#define MBOX_ASTS_SELF_TEST_FAILED		0x8016
#define MBOX_ASTS_LOGIN_FAILED			0x8017
#define MBOX_ASTS_DNS				0x8018
#define MBOX_ASTS_HEARTBEAT			0x8019
#define MBOX_ASTS_NVRAM_INVALID			0x801A
#define MBOX_ASTS_MAC_ADDRESS_CHANGED		0x801B
#define MBOX_ASTS_IP_ADDRESS_CHANGED		0x801C
#define MBOX_ASTS_DHCP_LEASE_EXPIRED		0x801D
#define MBOX_ASTS_DHCP_LEASE_ACQUIRED		0x801F
#define MBOX_ASTS_ISNS_UNSOLICITED_PDU_RECEIVED 0x8021
#define MBOX_ASTS_DUPLICATE_IP			0x8025
#define MBOX_ASTS_ARP_COMPLETE			0x8026
#define MBOX_ASTS_SUBNET_STATE_CHANGE		0x8027
#define MBOX_ASTS_RESPONSE_QUEUE_FULL		0x8028
#define MBOX_ASTS_IP_ADDR_STATE_CHANGED		0x8029
#define MBOX_ASTS_IPV6_PREFIX_EXPIRED		0x802B
#define MBOX_ASTS_IPV6_ND_PREFIX_IGNORED	0x802C
#define MBOX_ASTS_IPV6_LCL_PREFIX_IGNORED	0x802D
#define MBOX_ASTS_ICMPV6_ERROR_MSG_RCVD		0x802E

#define ISNS_EVENT_DATA_RECEIVED		0x0000
#define ISNS_EVENT_CONNECTION_OPENED		0x0001
#define ISNS_EVENT_CONNECTION_FAILED		0x0002
#define MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR	0x8022
#define MBOX_ASTS_SUBNET_STATE_CHANGE		0x8027

/*************************************************************************/

/* Host Adapter Initialization Control Block (from host) */
struct addr_ctrl_blk {
	uint8_t version;	/* 00 */
	uint8_t control;	/* 01 */

	uint16_t fw_options;	/* 02-03 */
#define	 FWOPT_HEARTBEAT_ENABLE		  0x1000
#define	 FWOPT_SESSION_MODE		  0x0040
#define	 FWOPT_INITIATOR_MODE		  0x0020
#define	 FWOPT_TARGET_MODE		  0x0010

	uint16_t exec_throttle;	/* 04-05 */
	uint8_t zio_count;	/* 06 */
	uint8_t res0;	/* 07 */
	uint16_t eth_mtu_size;	/* 08-09 */
	uint16_t add_fw_options;	/* 0A-0B */

	uint8_t hb_interval;	/* 0C */
	uint8_t inst_num; /* 0D */
	uint16_t res1;		/* 0E-0F */
	uint16_t rqq_consumer_idx;	/* 10-11 */
	uint16_t compq_producer_idx;	/* 12-13 */
	uint16_t rqq_len;	/* 14-15 */
	uint16_t compq_len;	/* 16-17 */
	uint32_t rqq_addr_lo;	/* 18-1B */
	uint32_t rqq_addr_hi;	/* 1C-1F */
	uint32_t compq_addr_lo;	/* 20-23 */
	uint32_t compq_addr_hi;	/* 24-27 */
	uint32_t shdwreg_addr_lo;	/* 28-2B */
	uint32_t shdwreg_addr_hi;	/* 2C-2F */

	uint16_t iscsi_opts;	/* 30-31 */
	uint16_t ipv4_tcp_opts;	/* 32-33 */
	uint16_t ipv4_ip_opts;	/* 34-35 */

	uint16_t iscsi_max_pdu_size;	/* 36-37 */
	uint8_t ipv4_tos;	/* 38 */
	uint8_t ipv4_ttl;	/* 39 */
	uint8_t acb_version;	/* 3A */
	uint8_t res2;	/* 3B */
	uint16_t def_timeout;	/* 3C-3D */
	uint16_t iscsi_fburst_len;	/* 3E-3F */
	uint16_t iscsi_def_time2wait;	/* 40-41 */
	uint16_t iscsi_def_time2retain;	/* 42-43 */
	uint16_t iscsi_max_outstnd_r2t;	/* 44-45 */
	uint16_t conn_ka_timeout;	/* 46-47 */
	uint16_t ipv4_port;	/* 48-49 */
	uint16_t iscsi_max_burst_len;	/* 4A-4B */
	uint32_t res5;		/* 4C-4F */
	uint8_t ipv4_addr[4];	/* 50-53 */
	uint16_t ipv4_vlan_tag;	/* 54-55 */
	uint8_t ipv4_addr_state;	/* 56 */
	uint8_t ipv4_cacheid;	/* 57 */
	uint8_t res6[8];	/* 58-5F */
	uint8_t ipv4_subnet[4];	/* 60-63 */
	uint8_t res7[12];	/* 64-6F */
	uint8_t ipv4_gw_addr[4];	/* 70-73 */
	uint8_t res8[0xc];	/* 74-7F */
	uint8_t pri_dns_srvr_ip[4];/* 80-83 */
	uint8_t sec_dns_srvr_ip[4];/* 84-87 */
	uint16_t min_eph_port;	/* 88-89 */
	uint16_t max_eph_port;	/* 8A-8B */
	uint8_t res9[4];	/* 8C-8F */
	uint8_t iscsi_alias[32];/* 90-AF */
	uint8_t res9_1[0x16];	/* B0-C5 */
	uint16_t tgt_portal_grp;/* C6-C7 */
	uint8_t abort_timer;	/* C8	 */
	uint8_t ipv4_tcp_wsf;	/* C9	 */
	uint8_t res10[6];	/* CA-CF */
	uint8_t ipv4_sec_ip_addr[4];	/* D0-D3 */
	uint8_t ipv4_dhcp_vid_len;	/* D4 */