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ql4_def.h

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linux-6.19.14/drivers/scsi/qla4xxx/ql4_def.h C
   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * QLogic iSCSI HBA Driver
   4 * Copyright (c)  2003-2013 QLogic Corporation
   5 */
   6
   7#ifndef __QL4_DEF_H
   8#define __QL4_DEF_H
   9
  10#include <linux/kernel.h>
  11#include <linux/init.h>
  12#include <linux/types.h>
  13#include <linux/module.h>
  14#include <linux/list.h>
  15#include <linux/pci.h>
  16#include <linux/dma-mapping.h>
  17#include <linux/sched.h>
  18#include <linux/slab.h>
  19#include <linux/dmapool.h>
  20#include <linux/mempool.h>
  21#include <linux/spinlock.h>
  22#include <linux/workqueue.h>
  23#include <linux/delay.h>
  24#include <linux/interrupt.h>
  25#include <linux/mutex.h>
  26#include <linux/bsg-lib.h>
  27#include <linux/vmalloc.h>
  28
  29#include <net/tcp.h>
  30#include <scsi/scsi.h>
  31#include <scsi/scsi_host.h>
  32#include <scsi/scsi_device.h>
  33#include <scsi/scsi_cmnd.h>
  34#include <scsi/scsi_transport.h>
  35#include <scsi/scsi_transport_iscsi.h>
  36#include <scsi/scsi_bsg_iscsi.h>
  37#include <scsi/scsi_netlink.h>
  38#include <scsi/libiscsi.h>
  39
  40#include "ql4_dbg.h"
  41#include "ql4_nx.h"
  42#include "ql4_fw.h"
  43#include "ql4_nvram.h"
  44#include "ql4_83xx.h"
  45
  46#ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
  47#define PCI_DEVICE_ID_QLOGIC_ISP4010	0x4010
  48#endif
  49
  50#ifndef PCI_DEVICE_ID_QLOGIC_ISP4022
  51#define PCI_DEVICE_ID_QLOGIC_ISP4022	0x4022
  52#endif
  53
  54#ifndef PCI_DEVICE_ID_QLOGIC_ISP4032
  55#define PCI_DEVICE_ID_QLOGIC_ISP4032	0x4032
  56#endif
  57
  58#ifndef PCI_DEVICE_ID_QLOGIC_ISP8022
  59#define PCI_DEVICE_ID_QLOGIC_ISP8022	0x8022
  60#endif
  61
  62#ifndef PCI_DEVICE_ID_QLOGIC_ISP8324
  63#define PCI_DEVICE_ID_QLOGIC_ISP8324	0x8032
  64#endif
  65
  66#ifndef PCI_DEVICE_ID_QLOGIC_ISP8042
  67#define PCI_DEVICE_ID_QLOGIC_ISP8042	0x8042
  68#endif
  69
  70#define ISP4XXX_PCI_FN_1	0x1
  71#define ISP4XXX_PCI_FN_2	0x3
  72
  73#define QLA_SUCCESS			0
  74#define QLA_ERROR			1
  75#define STATUS(status)		status == QLA_ERROR ? "FAILED" : "SUCCEEDED"
  76
  77/*
  78 * Data bit definitions
  79 */
  80#define BIT_0	0x1
  81#define BIT_1	0x2
  82#define BIT_2	0x4
  83#define BIT_3	0x8
  84#define BIT_4	0x10
  85#define BIT_5	0x20
  86#define BIT_6	0x40
  87#define BIT_7	0x80
  88#define BIT_8	0x100
  89#define BIT_9	0x200
  90#define BIT_10	0x400
  91#define BIT_11	0x800
  92#define BIT_12	0x1000
  93#define BIT_13	0x2000
  94#define BIT_14	0x4000
  95#define BIT_15	0x8000
  96#define BIT_16	0x10000
  97#define BIT_17	0x20000
  98#define BIT_18	0x40000
  99#define BIT_19	0x80000
 100#define BIT_20	0x100000
 101#define BIT_21	0x200000
 102#define BIT_22	0x400000
 103#define BIT_23	0x800000
 104#define BIT_24	0x1000000
 105#define BIT_25	0x2000000
 106#define BIT_26	0x4000000
 107#define BIT_27	0x8000000
 108#define BIT_28	0x10000000
 109#define BIT_29	0x20000000
 110#define BIT_30	0x40000000
 111#define BIT_31	0x80000000
 112
 113/**
 114 * Macros to help code, maintain, etc.
 115 **/
 116#define ql4_printk(level, ha, format, arg...) \
 117	dev_printk(level , &((ha)->pdev->dev) , format , ## arg)
 118
 119
 120/*
 121 * Host adapter default definitions
 122 ***********************************/
 123#define MAX_HBAS		16
 124#define MAX_BUSES		1
 125#define MAX_TARGETS		MAX_DEV_DB_ENTRIES
 126#define MAX_LUNS		0xffff
 127#define MAX_AEN_ENTRIES		MAX_DEV_DB_ENTRIES
 128#define MAX_DDB_ENTRIES		MAX_DEV_DB_ENTRIES
 129#define MAX_PDU_ENTRIES		32
 130#define INVALID_ENTRY		0xFFFF
 131#define MAX_CMDS_TO_RISC	1024
 132#define MAX_SRBS		MAX_CMDS_TO_RISC
 133#define MBOX_AEN_REG_COUNT	8
 134#define MAX_INIT_RETRIES	5
 135
 136/*
 137 * Buffer sizes
 138 */
 139#define REQUEST_QUEUE_DEPTH		MAX_CMDS_TO_RISC
 140#define RESPONSE_QUEUE_DEPTH		64
 141#define QUEUE_SIZE			64
 142#define DMA_BUFFER_SIZE			512
 143#define IOCB_HIWAT_CUSHION		4
 144
 145/*
 146 * Misc
 147 */
 148#define MAC_ADDR_LEN			6	/* in bytes */
 149#define IP_ADDR_LEN			4	/* in bytes */
 150#define IPv6_ADDR_LEN			16	/* IPv6 address size */
 151#define DRIVER_NAME			"qla4xxx"
 152
 153#define MAX_LINKED_CMDS_PER_LUN		3
 154#define MAX_REQS_SERVICED_PER_INTR	1
 155
 156#define ISCSI_IPADDR_SIZE		4	/* IP address size */
 157#define ISCSI_ALIAS_SIZE		32	/* ISCSI Alias name size */
 158#define ISCSI_NAME_SIZE			0xE0	/* ISCSI Name size */
 159
 160#define QL4_SESS_RECOVERY_TMO		120	/* iSCSI session */
 161						/* recovery timeout */
 162
 163#define LSDW(x) ((u32)((u64)(x)))
 164#define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
 165
 166#define DEV_DB_NON_PERSISTENT	0
 167#define DEV_DB_PERSISTENT	1
 168
 169#define QL4_ISP_REG_DISCONNECT 0xffffffffU
 170
 171#define COPY_ISID(dst_isid, src_isid) {			\
 172	int i, j;					\
 173	for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;)	\
 174		dst_isid[i++] = src_isid[j--];		\
 175}
 176
 177#define SET_BITVAL(o, n, v) {	\
 178	if (o)			\
 179		n |= v;		\
 180	else			\
 181		n &= ~v;	\
 182}
 183
 184#define OP_STATE(o, f, p) {			\
 185	p = (o & f) ? "enable" : "disable";	\
 186}
 187
 188/*
 189 * Retry & Timeout Values
 190 */
 191#define MBOX_TOV			60
 192#define SOFT_RESET_TOV			30
 193#define RESET_INTR_TOV			3
 194#define SEMAPHORE_TOV			10
 195#define ADAPTER_INIT_TOV		30
 196#define ADAPTER_RESET_TOV		180
 197#define EXTEND_CMD_TOV			60
 198#define WAIT_CMD_TOV			5
 199#define EH_WAIT_CMD_TOV			120
 200#define FIRMWARE_UP_TOV			60
 201#define RESET_FIRMWARE_TOV		30
 202#define LOGOUT_TOV			10
 203#define IOCB_TOV_MARGIN			10
 204#define RELOGIN_TOV			18
 205#define ISNS_DEREG_TOV			5
 206#define HBA_ONLINE_TOV			30
 207#define DISABLE_ACB_TOV			30
 208#define IP_CONFIG_TOV			30
 209#define LOGIN_TOV			12
 210#define BOOT_LOGIN_RESP_TOV		60
 211
 212#define MAX_RESET_HA_RETRIES		2
 213#define FW_ALIVE_WAIT_TOV		3
 214#define IDC_EXTEND_TOV			8
 215#define IDC_COMP_TOV			5
 216#define LINK_UP_COMP_TOV		30
 217
 218/*
 219 * Note: the data structure below does not have a struct iscsi_cmd member since
 220 * the qla4xxx driver does not use libiscsi for SCSI I/O.
 221 */
 222struct qla4xxx_cmd_priv {
 223	struct srb *srb;
 224};
 225
 226static inline struct qla4xxx_cmd_priv *qla4xxx_cmd_priv(struct scsi_cmnd *cmd)
 227{
 228	return scsi_cmd_priv(cmd);
 229}
 230
 231/*
 232 * SCSI Request Block structure (srb) that is associated with each scsi_cmnd.
 233 */
 234struct srb {
 235	struct list_head list;	/* (8)	 */
 236	struct scsi_qla_host *ha;	/* HA the SP is queued on */
 237	struct ddb_entry *ddb;
 238	uint16_t flags;		/* (1) Status flags. */
 239
 240#define SRB_DMA_VALID		BIT_3	/* DMA Buffer mapped. */
 241#define SRB_GOT_SENSE		BIT_4	/* sense data received. */
 242	uint8_t state;		/* (1) Status flags. */
 243
 244#define SRB_NO_QUEUE_STATE	 0	/* Request is in between states */
 245#define SRB_FREE_STATE		 1
 246#define SRB_ACTIVE_STATE	 3
 247#define SRB_ACTIVE_TIMEOUT_STATE 4
 248#define SRB_SUSPENDED_STATE	 7	/* Request in suspended state */
 249
 250	struct scsi_cmnd *cmd;	/* (4) SCSI command block */
 251	dma_addr_t dma_handle;	/* (4) for unmap of single transfers */
 252	struct kref srb_ref;	/* reference count for this srb */
 253	uint8_t err_id;		/* error id */
 254#define SRB_ERR_PORT	   1	/* Request failed because "port down" */
 255#define SRB_ERR_LOOP	   2	/* Request failed because "loop down" */
 256#define SRB_ERR_DEVICE	   3	/* Request failed because "device error" */
 257#define SRB_ERR_OTHER	   4
 258
 259	uint16_t reserved;
 260	uint16_t iocb_tov;
 261	uint16_t iocb_cnt;	/* Number of used iocbs */
 262	uint16_t cc_stat;
 263
 264	/* Used for extended sense / status continuation */
 265	uint8_t *req_sense_ptr;
 266	uint16_t req_sense_len;
 267	uint16_t reserved2;
 268};
 269
 270/* Mailbox request block structure */
 271struct mrb {
 272	struct scsi_qla_host *ha;
 273	struct mbox_cmd_iocb *mbox;
 274	uint32_t mbox_cmd;
 275	uint16_t iocb_cnt;		/* Number of used iocbs */
 276	uint32_t pid;
 277};
 278
 279/*
 280 * Asynchronous Event Queue structure
 281 */
 282struct aen {
 283        uint32_t mbox_sts[MBOX_AEN_REG_COUNT];
 284};
 285
 286struct ql4_aen_log {
 287        int count;
 288        struct aen entry[MAX_AEN_ENTRIES];
 289};
 290
 291/*
 292 * Device Database (DDB) structure
 293 */
 294struct ddb_entry {
 295	struct scsi_qla_host *ha;
 296	struct iscsi_cls_session *sess;
 297	struct iscsi_cls_conn *conn;
 298
 299	uint16_t fw_ddb_index;	/* DDB firmware index */
 300	uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
 301	uint16_t ddb_type;
 302#define FLASH_DDB 0x01
 303
 304	struct dev_db_entry fw_ddb_entry;
 305	int (*unblock_sess)(struct iscsi_cls_session *cls_session);
 306	int (*ddb_change)(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 307			  struct ddb_entry *ddb_entry, uint32_t state);
 308
 309	/* Driver Re-login  */
 310	unsigned long flags;		  /* DDB Flags */
 311#define DDB_CONN_CLOSE_FAILURE		0 /* 0x00000001 */
 312
 313	uint16_t default_relogin_timeout; /*  Max time to wait for
 314					   *  relogin to complete */
 315	atomic_t retry_relogin_timer;	  /* Min Time between relogins
 316					   * (4000 only) */
 317	atomic_t relogin_timer;		  /* Max Time to wait for
 318					   * relogin to complete */
 319	atomic_t relogin_retry_count;	  /* Num of times relogin has been
 320					   * retried */
 321	uint32_t default_time2wait;	  /* Default Min time between
 322					   * relogins (+aens) */
 323	uint16_t chap_tbl_idx;
 324};
 325
 326struct qla_ddb_index {
 327	struct list_head list;
 328	uint16_t fw_ddb_idx;
 329	uint16_t flash_ddb_idx;
 330	struct dev_db_entry fw_ddb;
 331	uint8_t flash_isid[6];
 332};
 333
 334#define DDB_IPADDR_LEN 64
 335
 336struct ql4_tuple_ddb {
 337	int port;
 338	int tpgt;
 339	char ip_addr[DDB_IPADDR_LEN];
 340	char iscsi_name[ISCSI_NAME_SIZE];
 341	uint16_t options;
 342#define DDB_OPT_IPV6 0x0e0e
 343#define DDB_OPT_IPV4 0x0f0f
 344	uint8_t isid[6];
 345};
 346
 347/*
 348 * DDB states.
 349 */
 350#define DDB_STATE_DEAD		0	/* We can no longer talk to
 351					 * this device */
 352#define DDB_STATE_ONLINE	1	/* Device ready to accept
 353					 * commands */
 354#define DDB_STATE_MISSING	2	/* Device logged off, trying
 355					 * to re-login */
 356
 357/*
 358 * DDB flags.
 359 */
 360#define DF_RELOGIN		0	/* Relogin to device */
 361#define DF_BOOT_TGT		1	/* Boot target entry */
 362#define DF_ISNS_DISCOVERED	2	/* Device was discovered via iSNS */
 363#define DF_FO_MASKED		3
 364#define DF_DISABLE_RELOGIN		4	/* Disable relogin to device */
 365
 366enum qla4_work_type {
 367	QLA4_EVENT_AEN,
 368	QLA4_EVENT_PING_STATUS,
 369};
 370
 371struct qla4_work_evt {
 372	struct list_head list;
 373	enum qla4_work_type type;
 374	union {
 375		struct {
 376			enum iscsi_host_event_code code;
 377			uint32_t data_size;
 378			uint8_t data[];
 379		} aen;
 380		struct {
 381			uint32_t status;
 382			uint32_t pid;
 383			uint32_t data_size;
 384			uint8_t data[];
 385		} ping;
 386	} u;
 387};
 388
 389struct ql82xx_hw_data {
 390	/* Offsets for flash/nvram access (set to ~0 if not used). */
 391	uint32_t flash_conf_off;
 392	uint32_t flash_data_off;
 393
 394	uint32_t fdt_wrt_disable;
 395	uint32_t fdt_erase_cmd;
 396	uint32_t fdt_block_size;
 397	uint32_t fdt_unprotect_sec_cmd;
 398	uint32_t fdt_protect_sec_cmd;
 399
 400	uint32_t flt_region_flt;
 401	uint32_t flt_region_fdt;
 402	uint32_t flt_region_boot;
 403	uint32_t flt_region_bootload;
 404	uint32_t flt_region_fw;
 405
 406	uint32_t flt_iscsi_param;
 407	uint32_t flt_region_chap;
 408	uint32_t flt_chap_size;
 409	uint32_t flt_region_ddb;
 410	uint32_t flt_ddb_size;
 411};
 412
 413struct qla4_8xxx_legacy_intr_set {
 414	uint32_t int_vec_bit;
 415	uint32_t tgt_status_reg;
 416	uint32_t tgt_mask_reg;
 417	uint32_t pci_int_reg;
 418};
 419
 420/* MSI-X Support */
 421#define QLA_MSIX_ENTRIES	2
 422
 423/*
 424 * ISP Operations
 425 */
 426struct isp_operations {
 427	int (*iospace_config) (struct scsi_qla_host *ha);
 428	void (*pci_config) (struct scsi_qla_host *);
 429	void (*disable_intrs) (struct scsi_qla_host *);
 430	void (*enable_intrs) (struct scsi_qla_host *);
 431	int (*start_firmware) (struct scsi_qla_host *);
 432	int (*restart_firmware) (struct scsi_qla_host *);
 433	irqreturn_t (*intr_handler) (int , void *);
 434	void (*interrupt_service_routine) (struct scsi_qla_host *, uint32_t);
 435	int (*need_reset) (struct scsi_qla_host *);
 436	int (*reset_chip) (struct scsi_qla_host *);
 437	int (*reset_firmware) (struct scsi_qla_host *);
 438	void (*queue_iocb) (struct scsi_qla_host *);
 439	void (*complete_iocb) (struct scsi_qla_host *);
 440	uint16_t (*rd_shdw_req_q_out) (struct scsi_qla_host *);
 441	uint16_t (*rd_shdw_rsp_q_in) (struct scsi_qla_host *);
 442	int (*get_sys_info) (struct scsi_qla_host *);
 443	uint32_t (*rd_reg_direct) (struct scsi_qla_host *, ulong);
 444	void (*wr_reg_direct) (struct scsi_qla_host *, ulong, uint32_t);
 445	int (*rd_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t *);
 446	int (*wr_reg_indirect) (struct scsi_qla_host *, uint32_t, uint32_t);
 447	int (*idc_lock) (struct scsi_qla_host *); /* Context: task, can sleep */
 448	void (*idc_unlock) (struct scsi_qla_host *);
 449	void (*rom_lock_recovery) (struct scsi_qla_host *); /* Context: task, can sleep */
 450	void (*queue_mailbox_command) (struct scsi_qla_host *, uint32_t *, int);
 451	void (*process_mailbox_interrupt) (struct scsi_qla_host *, int);
 452};
 453
 454struct ql4_mdump_size_table {
 455	uint32_t size;
 456	uint32_t size_cmask_02;
 457	uint32_t size_cmask_04;
 458	uint32_t size_cmask_08;
 459	uint32_t size_cmask_10;
 460	uint32_t size_cmask_FF;
 461	uint32_t version;
 462};
 463
 464/*qla4xxx ipaddress configuration details */
 465struct ipaddress_config {
 466	uint16_t ipv4_options;
 467	uint16_t tcp_options;
 468	uint16_t ipv4_vlan_tag;
 469	uint8_t ipv4_addr_state;
 470	uint8_t ip_address[IP_ADDR_LEN];
 471	uint8_t subnet_mask[IP_ADDR_LEN];
 472	uint8_t gateway[IP_ADDR_LEN];
 473	uint32_t ipv6_options;
 474	uint32_t ipv6_addl_options;
 475	uint8_t ipv6_link_local_state;
 476	uint8_t ipv6_addr0_state;
 477	uint8_t ipv6_addr1_state;
 478	uint8_t ipv6_default_router_state;
 479	uint16_t ipv6_vlan_tag;
 480	struct in6_addr ipv6_link_local_addr;
 481	struct in6_addr ipv6_addr0;
 482	struct in6_addr ipv6_addr1;
 483	struct in6_addr ipv6_default_router_addr;
 484	uint16_t eth_mtu_size;
 485	uint16_t ipv4_port;
 486	uint16_t ipv6_port;
 487	uint8_t control;
 488	uint16_t ipv6_tcp_options;
 489	uint8_t tcp_wsf;
 490	uint8_t ipv6_tcp_wsf;
 491	uint8_t ipv4_tos;
 492	uint8_t ipv4_cache_id;
 493	uint8_t ipv6_cache_id;
 494	uint8_t ipv4_alt_cid_len;
 495	uint8_t ipv4_alt_cid[11];
 496	uint8_t ipv4_vid_len;
 497	uint8_t ipv4_vid[11];
 498	uint8_t ipv4_ttl;
 499	uint16_t ipv6_flow_lbl;
 500	uint8_t ipv6_traffic_class;
 501	uint8_t ipv6_hop_limit;
 502	uint32_t ipv6_nd_reach_time;
 503	uint32_t ipv6_nd_rexmit_timer;
 504	uint32_t ipv6_nd_stale_timeout;
 505	uint8_t ipv6_dup_addr_detect_count;
 506	uint32_t ipv6_gw_advrt_mtu;
 507	uint16_t def_timeout;
 508	uint8_t abort_timer;
 509	uint16_t iscsi_options;
 510	uint16_t iscsi_max_pdu_size;
 511	uint16_t iscsi_first_burst_len;
 512	uint16_t iscsi_max_outstnd_r2t;
 513	uint16_t iscsi_max_burst_len;
 514	uint8_t iscsi_name[224];
 515};
 516
 517#define QL4_CHAP_MAX_NAME_LEN 256
 518#define QL4_CHAP_MAX_SECRET_LEN 100
 519#define LOCAL_CHAP	0
 520#define BIDI_CHAP	1
 521
 522struct ql4_chap_format {
 523	u8  intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
 524	u8  intr_secret[QL4_CHAP_MAX_SECRET_LEN];
 525	u8  target_chap_name[QL4_CHAP_MAX_NAME_LEN];
 526	u8  target_secret[QL4_CHAP_MAX_SECRET_LEN];
 527	u16 intr_chap_name_length;
 528	u16 intr_secret_length;
 529	u16 target_chap_name_length;
 530	u16 target_secret_length;
 531};
 532
 533struct ip_address_format {
 534	u8 ip_type;
 535	u8 ip_address[16];
 536};
 537
 538struct	ql4_conn_info {
 539	u16	dest_port;
 540	struct	ip_address_format dest_ipaddr;
 541	struct	ql4_chap_format chap;
 542};
 543
 544struct ql4_boot_session_info {
 545	u8	target_name[224];
 546	struct	ql4_conn_info conn_list[1];
 547};
 548
 549struct ql4_boot_tgt_info {
 550	struct ql4_boot_session_info boot_pri_sess;
 551	struct ql4_boot_session_info boot_sec_sess;
 552};
 553
 554/*
 555 * Linux Host Adapter structure
 556 */
 557struct scsi_qla_host {
 558	/* Linux adapter configuration data */
 559	unsigned long flags;
 560
 561#define AF_ONLINE			0 /* 0x00000001 */
 562#define AF_INIT_DONE			1 /* 0x00000002 */
 563#define AF_MBOX_COMMAND			2 /* 0x00000004 */
 564#define AF_MBOX_COMMAND_DONE		3 /* 0x00000008 */
 565#define AF_ST_DISCOVERY_IN_PROGRESS	4 /* 0x00000010 */
 566#define AF_INTERRUPTS_ON		6 /* 0x00000040 */
 567#define AF_GET_CRASH_RECORD		7 /* 0x00000080 */
 568#define AF_LINK_UP			8 /* 0x00000100 */
 569#define AF_LOOPBACK			9 /* 0x00000200 */
 570#define AF_IRQ_ATTACHED			10 /* 0x00000400 */
 571#define AF_DISABLE_ACB_COMPLETE		11 /* 0x00000800 */
 572#define AF_HA_REMOVAL			12 /* 0x00001000 */
 573#define AF_MBOX_COMMAND_NOPOLL		18 /* 0x00040000 */
 574#define AF_FW_RECOVERY			19 /* 0x00080000 */
 575#define AF_EEH_BUSY			20 /* 0x00100000 */
 576#define AF_PCI_CHANNEL_IO_PERM_FAILURE	21 /* 0x00200000 */
 577#define AF_BUILD_DDB_LIST		22 /* 0x00400000 */
 578#define AF_82XX_FW_DUMPED		24 /* 0x01000000 */
 579#define AF_8XXX_RST_OWNER		25 /* 0x02000000 */
 580#define AF_82XX_DUMP_READING		26 /* 0x04000000 */
 581#define AF_83XX_IOCB_INTR_ON		28 /* 0x10000000 */
 582#define AF_83XX_MBOX_INTR_ON		29 /* 0x20000000 */
 583
 584	unsigned long dpc_flags;
 585
 586#define DPC_RESET_HA			1 /* 0x00000002 */
 587#define DPC_RETRY_RESET_HA		2 /* 0x00000004 */
 588#define DPC_RELOGIN_DEVICE		3 /* 0x00000008 */
 589#define DPC_RESET_HA_FW_CONTEXT		4 /* 0x00000010 */
 590#define DPC_RESET_HA_INTR		5 /* 0x00000020 */
 591#define DPC_ISNS_RESTART		7 /* 0x00000080 */
 592#define DPC_AEN				9 /* 0x00000200 */
 593#define DPC_GET_DHCP_IP_ADDR		15 /* 0x00008000 */
 594#define DPC_LINK_CHANGED		18 /* 0x00040000 */
 595#define DPC_RESET_ACTIVE		20 /* 0x00100000 */
 596#define DPC_HA_UNRECOVERABLE		21 /* 0x00200000 ISP-82xx only*/
 597#define DPC_HA_NEED_QUIESCENT		22 /* 0x00400000 ISP-82xx only*/
 598#define DPC_POST_IDC_ACK		23 /* 0x00800000 */
 599#define DPC_RESTORE_ACB			24 /* 0x01000000 */
 600#define DPC_SYSFS_DDB_EXPORT		25 /* 0x02000000 */
 601
 602	struct Scsi_Host *host; /* pointer to host data */
 603	uint32_t tot_ddbs;
 604
 605	uint16_t iocb_cnt;
 606	uint16_t iocb_hiwat;
 607
 608	/* SRB cache. */
 609#define SRB_MIN_REQ	128
 610	mempool_t *srb_mempool;
 611
 612	/* pci information */
 613	struct pci_dev *pdev;
 614
 615	struct isp_reg __iomem *reg; /* Base I/O address */
 616	unsigned long pio_address;
 617	unsigned long pio_length;
 618#define MIN_IOBASE_LEN		0x100
 619
 620	uint16_t req_q_count;
 621
 622	unsigned long host_no;
 623
 624	/* NVRAM registers */
 625	struct eeprom_data *nvram;
 626	spinlock_t hardware_lock ____cacheline_aligned;
 627	uint32_t eeprom_cmd_data;
 628
 629	/* Counters for general statistics */
 630	uint64_t isr_count;
 631	uint64_t adapter_error_count;
 632	uint64_t device_error_count;
 633	uint64_t total_io_count;
 634	uint64_t total_mbytes_xferred;
 635	uint64_t link_failure_count;
 636	uint64_t invalid_crc_count;
 637	uint32_t bytes_xfered;
 638	uint32_t spurious_int_count;
 639	uint32_t aborted_io_count;
 640	uint32_t io_timeout_count;
 641	uint32_t mailbox_timeout_count;
 642	uint32_t seconds_since_last_intr;
 643	uint32_t seconds_since_last_heartbeat;
 644	uint32_t mac_index;
 645
 646	/* Info Needed for Management App */
 647	/* --- From GetFwVersion --- */
 648	uint32_t firmware_version[2];
 649	uint32_t patch_number;
 650	uint32_t build_number;
 651	uint32_t board_id;
 652
 653	/* --- From Init_FW --- */
 654	/* init_cb_t *init_cb; */
 655	uint16_t firmware_options;
 656	uint8_t alias[32];
 657	uint8_t name_string[256];
 658	uint8_t heartbeat_interval;
 659
 660	/* --- From FlashSysInfo --- */
 661	uint8_t my_mac[MAC_ADDR_LEN];
 662	uint8_t serial_number[16];
 663	uint16_t port_num;
 664	/* --- From GetFwState --- */
 665	uint32_t firmware_state;
 666	uint32_t addl_fw_state;
 667
 668	/* Linux kernel thread */
 669	struct workqueue_struct *dpc_thread;
 670	struct work_struct dpc_work;
 671
 672	/* Linux timer thread */
 673	struct timer_list timer;
 674	uint32_t timer_active;
 675
 676	/* Recovery Timers */
 677	atomic_t check_relogin_timeouts;
 678	uint32_t retry_reset_ha_cnt;
 679	uint32_t isp_reset_timer;	/* reset test timer */
 680	uint32_t nic_reset_timer;	/* simulated nic reset test timer */
 681	int eh_start;
 682	struct list_head free_srb_q;
 683	uint16_t free_srb_q_count;
 684	uint16_t num_srbs_allocated;
 685
 686	/* DMA Memory Block */
 687	void *queues;
 688	dma_addr_t queues_dma;
 689	unsigned long queues_len;
 690
 691#define MEM_ALIGN_VALUE \
 692	    ((max(REQUEST_QUEUE_DEPTH, RESPONSE_QUEUE_DEPTH)) * \
 693	     sizeof(struct queue_entry))
 694	/* request and response queue variables */
 695	dma_addr_t request_dma;
 696	struct queue_entry *request_ring;
 697	struct queue_entry *request_ptr;
 698	dma_addr_t response_dma;
 699	struct queue_entry *response_ring;
 700	struct queue_entry *response_ptr;
 701	dma_addr_t shadow_regs_dma;
 702	struct shadow_regs *shadow_regs;
 703	uint16_t request_in;	/* Current indexes. */
 704	uint16_t request_out;
 705	uint16_t response_in;
 706	uint16_t response_out;
 707
 708	/* aen queue variables */
 709	uint16_t aen_q_count;	/* Number of available aen_q entries */
 710	uint16_t aen_in;	/* Current indexes */
 711	uint16_t aen_out;
 712	struct aen aen_q[MAX_AEN_ENTRIES];
 713
 714	struct ql4_aen_log aen_log;/* tracks all aens */
 715
 716	/* This mutex protects several threads to do mailbox commands
 717	 * concurrently.
 718	 */
 719	struct mutex  mbox_sem;
 720
 721	/* temporary mailbox status registers */
 722	volatile uint8_t mbox_status_count;
 723	volatile uint32_t mbox_status[MBOX_REG_COUNT];
 724
 725	/* FW ddb index map */
 726	struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
 727
 728	/* Saved srb for status continuation entry processing */
 729	struct srb *status_srb;
 730
 731	uint8_t acb_version;
 732
 733	/* qla82xx specific fields */
 734	struct device_reg_82xx  __iomem *qla4_82xx_reg; /* Base I/O address */
 735	unsigned long nx_pcibase;	/* Base I/O address */
 736	uint8_t *nx_db_rd_ptr;		/* Doorbell read pointer */
 737	unsigned long nx_db_wr_ptr;	/* Door bell write pointer */
 738	unsigned long first_page_group_start;
 739	unsigned long first_page_group_end;
 740
 741	uint32_t crb_win;
 742	uint32_t curr_window;
 743	uint32_t ddr_mn_window;
 744	unsigned long mn_win_crb;
 745	unsigned long ms_win_crb;
 746	int qdr_sn_window;
 747	rwlock_t hw_lock;
 748	uint16_t func_num;
 749	int link_width;
 750
 751	struct qla4_8xxx_legacy_intr_set nx_legacy_intr;
 752	u32 nx_crb_mask;
 753
 754	uint8_t revision_id;
 755	uint32_t fw_heartbeat_counter;
 756
 757	struct isp_operations *isp_ops;
 758	struct ql82xx_hw_data hw;
 759
 760	uint32_t nx_dev_init_timeout;
 761	uint32_t nx_reset_timeout;
 762	void *fw_dump;
 763	uint32_t fw_dump_size;
 764	uint32_t fw_dump_capture_mask;
 765	void *fw_dump_tmplt_hdr;
 766	uint32_t fw_dump_tmplt_size;
 767	uint32_t fw_dump_skip_size;
 768
 769	struct completion mbx_intr_comp;
 770
 771	struct ipaddress_config ip_config;
 772	struct iscsi_iface *iface_ipv4;
 773	struct iscsi_iface *iface_ipv6_0;
 774	struct iscsi_iface *iface_ipv6_1;
 775
 776	/* --- From About Firmware --- */
 777	struct about_fw_info fw_info;
 778	uint32_t fw_uptime_secs;  /* seconds elapsed since fw bootup */
 779	uint32_t fw_uptime_msecs; /* milliseconds beyond elapsed seconds */
 780	uint16_t def_timeout; /* Default login timeout */
 781
 782	uint32_t flash_state;
 783#define	QLFLASH_WAITING		0
 784#define	QLFLASH_READING		1
 785#define	QLFLASH_WRITING		2
 786	struct dma_pool *chap_dma_pool;
 787	uint8_t *chap_list; /* CHAP table cache */
 788	struct mutex  chap_sem;
 789
 790#define CHAP_DMA_BLOCK_SIZE    512
 791	struct workqueue_struct *task_wq;
 792	unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
 793#define SYSFS_FLAG_FW_SEL_BOOT 2
 794	struct iscsi_boot_kset *boot_kset;
 795	struct ql4_boot_tgt_info boot_tgt;
 796	uint16_t phy_port_num;
 797	uint16_t phy_port_cnt;
 798	uint16_t iscsi_pci_func_cnt;
 799	uint8_t model_name[16];
 800	struct completion disable_acb_comp;
 801	struct dma_pool *fw_ddb_dma_pool;
 802#define DDB_DMA_BLOCK_SIZE 512
 803	uint16_t pri_ddb_idx;
 804	uint16_t sec_ddb_idx;
 805	int is_reset;
 806	uint16_t temperature;
 807
 808	/* event work list */
 809	struct list_head work_list;
 810	spinlock_t work_lock;
 811
 812	/* mbox iocb */
 813#define MAX_MRB		128
 814	struct mrb *active_mrb_array[MAX_MRB];
 815	uint32_t mrb_index;
 816
 817	uint32_t *reg_tbl;
 818	struct qla4_83xx_reset_template reset_tmplt;
 819	struct device_reg_83xx  __iomem *qla4_83xx_reg; /* Base I/O address
 820							   for ISP8324 and
 821							   and ISP8042 */
 822	uint32_t pf_bit;
 823	struct qla4_83xx_idc_information idc_info;
 824	struct addr_ctrl_blk *saved_acb;
 825	int notify_idc_comp;
 826	int notify_link_up_comp;
 827	int idc_extend_tmo;
 828	struct completion idc_comp;
 829	struct completion link_up_comp;
 830};
 831
 832struct ql4_task_data {
 833	struct scsi_qla_host *ha;
 834	uint8_t iocb_req_cnt;
 835	dma_addr_t data_dma;
 836	void *req_buffer;
 837	dma_addr_t req_dma;
 838	uint32_t req_len;
 839	void *resp_buffer;
 840	dma_addr_t resp_dma;
 841	uint32_t resp_len;
 842	struct iscsi_task *task;
 843	struct passthru_status sts;
 844	struct work_struct task_work;
 845};
 846
 847struct qla_endpoint {
 848	struct Scsi_Host *host;
 849	struct sockaddr_storage dst_addr;
 850};
 851
 852struct qla_conn {
 853	struct qla_endpoint *qla_ep;
 854};
 855
 856static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
 857{
 858	return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
 859}
 860
 861static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
 862{
 863	return ((ha->ip_config.ipv6_options &
 864		IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
 865}
 866
 867static inline int is_qla4010(struct scsi_qla_host *ha)
 868{
 869	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4010;
 870}
 871
 872static inline int is_qla4022(struct scsi_qla_host *ha)
 873{
 874	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4022;
 875}
 876
 877static inline int is_qla4032(struct scsi_qla_host *ha)
 878{
 879	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
 880}
 881
 882static inline int is_qla40XX(struct scsi_qla_host *ha)
 883{
 884	return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
 885}
 886
 887static inline int is_qla8022(struct scsi_qla_host *ha)
 888{
 889	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
 890}
 891
 892static inline int is_qla8032(struct scsi_qla_host *ha)
 893{
 894	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324;
 895}
 896
 897static inline int is_qla8042(struct scsi_qla_host *ha)
 898{
 899	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042;
 900}
 901
 902static inline int is_qla80XX(struct scsi_qla_host *ha)
 903{
 904	return is_qla8022(ha) || is_qla8032(ha) || is_qla8042(ha);
 905}
 906
 907static inline int is_aer_supported(struct scsi_qla_host *ha)
 908{
 909	return ((ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022) ||
 910		(ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8324) ||
 911		(ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8042));
 912}
 913
 914static inline int adapter_up(struct scsi_qla_host *ha)
 915{
 916	return (test_bit(AF_ONLINE, &ha->flags) != 0) &&
 917	       (test_bit(AF_LINK_UP, &ha->flags) != 0) &&
 918	       (!test_bit(AF_LOOPBACK, &ha->flags));
 919}
 920
 921static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
 922{
 923	return (struct scsi_qla_host *)iscsi_host_priv(shost);
 924}
 925
 926static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
 927{
 928	return (is_qla4010(ha) ?
 929		&ha->reg->u1.isp4010.nvram :
 930		&ha->reg->u1.isp4022.semaphore);
 931}
 932
 933static inline void __iomem* isp_nvram(struct scsi_qla_host *ha)
 934{
 935	return (is_qla4010(ha) ?
 936		&ha->reg->u1.isp4010.nvram :
 937		&ha->reg->u1.isp4022.nvram);
 938}
 939
 940static inline void __iomem* isp_ext_hw_conf(struct scsi_qla_host *ha)
 941{
 942	return (is_qla4010(ha) ?
 943		&ha->reg->u2.isp4010.ext_hw_conf :
 944		&ha->reg->u2.isp4022.p0.ext_hw_conf);
 945}
 946
 947static inline void __iomem* isp_port_status(struct scsi_qla_host *ha)
 948{
 949	return (is_qla4010(ha) ?
 950		&ha->reg->u2.isp4010.port_status :
 951		&ha->reg->u2.isp4022.p0.port_status);
 952}
 953
 954static inline void __iomem* isp_port_ctrl(struct scsi_qla_host *ha)
 955{
 956	return (is_qla4010(ha) ?
 957		&ha->reg->u2.isp4010.port_ctrl :
 958		&ha->reg->u2.isp4022.p0.port_ctrl);
 959}
 960
 961static inline void __iomem* isp_port_error_status(struct scsi_qla_host *ha)
 962{
 963	return (is_qla4010(ha) ?
 964		&ha->reg->u2.isp4010.port_err_status :
 965		&ha->reg->u2.isp4022.p0.port_err_status);
 966}
 967
 968static inline void __iomem * isp_gp_out(struct scsi_qla_host *ha)
 969{
 970	return (is_qla4010(ha) ?
 971		&ha->reg->u2.isp4010.gp_out :
 972		&ha->reg->u2.isp4022.p0.gp_out);
 973}
 974
 975static inline int eeprom_ext_hw_conf_offset(struct scsi_qla_host *ha)
 976{
 977	return (is_qla4010(ha) ?
 978		offsetof(struct eeprom_data, isp4010.ext_hw_conf) / 2 :
 979		offsetof(struct eeprom_data, isp4022.ext_hw_conf) / 2);
 980}
 981
 982int ql4xxx_sem_spinlock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 983void ql4xxx_sem_unlock(struct scsi_qla_host * ha, u32 sem_mask);
 984int ql4xxx_sem_lock(struct scsi_qla_host * ha, u32 sem_mask, u32 sem_bits);
 985
 986static inline int ql4xxx_lock_flash(struct scsi_qla_host *a)
 987{
 988	if (is_qla4010(a))
 989		return ql4xxx_sem_spinlock(a, QL4010_FLASH_SEM_MASK,
 990					   QL4010_FLASH_SEM_BITS);
 991	else
 992		return ql4xxx_sem_spinlock(a, QL4022_FLASH_SEM_MASK,
 993					   (QL4022_RESOURCE_BITS_BASE_CODE |
 994					    (a->mac_index)) << 13);
 995}
 996
 997static inline void ql4xxx_unlock_flash(struct scsi_qla_host *a)
 998{
 999	if (is_qla4010(a))
1000		ql4xxx_sem_unlock(a, QL4010_FLASH_SEM_MASK);
1001	else
1002		ql4xxx_sem_unlock(a, QL4022_FLASH_SEM_MASK);
1003}
1004
1005static inline int ql4xxx_lock_nvram(struct scsi_qla_host *a)
1006{
1007	if (is_qla4010(a))
1008		return ql4xxx_sem_spinlock(a, QL4010_NVRAM_SEM_MASK,
1009					   QL4010_NVRAM_SEM_BITS);
1010	else
1011		return ql4xxx_sem_spinlock(a, QL4022_NVRAM_SEM_MASK,
1012					   (QL4022_RESOURCE_BITS_BASE_CODE |
1013					    (a->mac_index)) << 10);
1014}
1015
1016static inline void ql4xxx_unlock_nvram(struct scsi_qla_host *a)
1017{
1018	if (is_qla4010(a))
1019		ql4xxx_sem_unlock(a, QL4010_NVRAM_SEM_MASK);
1020	else
1021		ql4xxx_sem_unlock(a, QL4022_NVRAM_SEM_MASK);
1022}
1023
1024static inline int ql4xxx_lock_drvr(struct scsi_qla_host *a)
1025{
1026	if (is_qla4010(a))
1027		return ql4xxx_sem_lock(a, QL4010_DRVR_SEM_MASK,
1028				       QL4010_DRVR_SEM_BITS);
1029	else
1030		return ql4xxx_sem_lock(a, QL4022_DRVR_SEM_MASK,
1031				       (QL4022_RESOURCE_BITS_BASE_CODE |
1032					(a->mac_index)) << 1);
1033}
1034
1035static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
1036{
1037	if (is_qla4010(a))
1038		ql4xxx_sem_unlock(a, QL4010_DRVR_SEM_MASK);
1039	else
1040		ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
1041}
1042
1043static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
1044{
1045	return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
1046	       test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
1047	       test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
1048	       test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
1049	       test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
1050	       test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
1051
1052}
1053
1054static inline int qla4_8xxx_rd_direct(struct scsi_qla_host *ha,
1055				      const uint32_t crb_reg)
1056{
1057	return ha->isp_ops->rd_reg_direct(ha, ha->reg_tbl[crb_reg]);
1058}
1059
1060static inline void qla4_8xxx_wr_direct(struct scsi_qla_host *ha,
1061				       const uint32_t crb_reg,
1062				       const uint32_t value)
1063{
1064	ha->isp_ops->wr_reg_direct(ha, ha->reg_tbl[crb_reg], value);
1065}
1066
1067/*---------------------------------------------------------------------------*/
1068
1069/* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
1070
1071#define INIT_ADAPTER    0
1072#define RESET_ADAPTER   1
1073
1074#define PRESERVE_DDB_LIST	0
1075#define REBUILD_DDB_LIST	1
1076
1077/* Defines for process_aen() */
1078#define PROCESS_ALL_AENS	 0
1079#define FLUSH_DDB_CHANGED_AENS	 1
1080
1081/* Defines for udev events */
1082#define QL4_UEVENT_CODE_FW_DUMP		0
1083
1084#endif	/*_QLA4XXX_H */
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