cregit-Linux how code gets into the kernel

Release 4.7 drivers/scsi/qla4xxx/ql4_83xx.h

/*
 * QLogic iSCSI HBA Driver
 * Copyright (c)  2003-2013 QLogic Corporation
 *
 * See LICENSE.qla4xxx for copyright and licensing details.
 */

#ifndef __QL483XX_H

#define __QL483XX_H

/* Indirectly Mapped Registers */

#define QLA83XX_FLASH_SPI_STATUS	0x2808E010

#define QLA83XX_FLASH_SPI_CONTROL	0x2808E014

#define QLA83XX_FLASH_STATUS		0x42100004

#define QLA83XX_FLASH_CONTROL		0x42110004

#define QLA83XX_FLASH_ADDR		0x42110008

#define QLA83XX_FLASH_WRDATA		0x4211000C

#define QLA83XX_FLASH_RDDATA		0x42110018

#define QLA83XX_FLASH_DIRECT_WINDOW	0x42110030

#define QLA83XX_FLASH_DIRECT_DATA(DATA) (0x42150000 | (0x0000FFFF&DATA))

/* Directly Mapped Registers in 83xx register table */

/* Flash access regs */

#define QLA83XX_FLASH_LOCK		0x3850

#define QLA83XX_FLASH_UNLOCK		0x3854

#define QLA83XX_FLASH_LOCK_ID		0x3500

/* Driver Lock regs */

#define QLA83XX_DRV_LOCK		0x3868

#define QLA83XX_DRV_UNLOCK		0x386C

#define QLA83XX_DRV_LOCK_ID		0x3504

#define QLA83XX_DRV_LOCKRECOVERY	0x379C

/* IDC version */

#define QLA83XX_IDC_VER_MAJ_VALUE       0x1

#define QLA83XX_IDC_VER_MIN_VALUE       0x0

/* IDC Registers : Driver Coexistence Defines */

#define QLA83XX_CRB_IDC_VER_MAJOR	0x3780

#define QLA83XX_CRB_IDC_VER_MINOR	0x3798

#define QLA83XX_IDC_DRV_CTRL		0x3790

#define QLA83XX_IDC_DRV_AUDIT		0x3794

#define QLA83XX_SRE_SHIM_CONTROL	0x0D200284

#define QLA83XX_PORT0_RXB_PAUSE_THRS	0x0B2003A4

#define QLA83XX_PORT1_RXB_PAUSE_THRS	0x0B2013A4

#define QLA83XX_PORT0_RXB_TC_MAX_CELL	0x0B200388

#define QLA83XX_PORT1_RXB_TC_MAX_CELL	0x0B201388

#define QLA83XX_PORT0_RXB_TC_STATS	0x0B20039C

#define QLA83XX_PORT1_RXB_TC_STATS	0x0B20139C

#define QLA83XX_PORT2_IFB_PAUSE_THRS	0x0B200704

#define QLA83XX_PORT3_IFB_PAUSE_THRS	0x0B201704

/* set value to pause threshold value */

#define QLA83XX_SET_PAUSE_VAL		0x0

#define QLA83XX_SET_TC_MAX_CELL_VAL	0x03FF03FF


#define QLA83XX_RESET_CONTROL		0x28084E50

#define QLA83XX_RESET_REG		0x28084E60

#define QLA83XX_RESET_PORT0		0x28084E70

#define QLA83XX_RESET_PORT1		0x28084E80

#define QLA83XX_RESET_PORT2		0x28084E90

#define QLA83XX_RESET_PORT3		0x28084EA0

#define QLA83XX_RESET_SRE_SHIM		0x28084EB0

#define QLA83XX_RESET_EPG_SHIM		0x28084EC0

#define QLA83XX_RESET_ETHER_PCS		0x28084ED0

/* qla_83xx_reg_tbl registers */

#define QLA83XX_PEG_HALT_STATUS1	0x34A8

#define QLA83XX_PEG_HALT_STATUS2	0x34AC

#define QLA83XX_PEG_ALIVE_COUNTER	0x34B0 
/* FW_HEARTBEAT */

#define QLA83XX_FW_CAPABILITIES		0x3528

#define QLA83XX_CRB_DRV_ACTIVE		0x3788 
/* IDC_DRV_PRESENCE */

#define QLA83XX_CRB_DEV_STATE		0x3784 
/* IDC_DEV_STATE */

#define QLA83XX_CRB_DRV_STATE		0x378C 
/* IDC_DRV_ACK */

#define QLA83XX_CRB_DRV_SCRATCH		0x3548

#define QLA83XX_CRB_DEV_PART_INFO1	0x37E0

#define QLA83XX_CRB_DEV_PART_INFO2	0x37E4


#define QLA83XX_FW_VER_MAJOR		0x3550

#define QLA83XX_FW_VER_MINOR		0x3554

#define QLA83XX_FW_VER_SUB		0x3558

#define QLA83XX_NPAR_STATE		0x359C

#define QLA83XX_FW_IMAGE_VALID		0x35FC

#define QLA83XX_CMDPEG_STATE		0x3650

#define QLA83XX_ASIC_TEMP		0x37B4

#define QLA83XX_FW_API			0x356C

#define QLA83XX_DRV_OP_MODE		0x3570


static const uint32_t qla4_83xx_reg_tbl[] = {
	QLA83XX_PEG_HALT_STATUS1,
	QLA83XX_PEG_HALT_STATUS2,
	QLA83XX_PEG_ALIVE_COUNTER,
	QLA83XX_CRB_DRV_ACTIVE,
	QLA83XX_CRB_DEV_STATE,
	QLA83XX_CRB_DRV_STATE,
	QLA83XX_CRB_DRV_SCRATCH,
	QLA83XX_CRB_DEV_PART_INFO1,
	QLA83XX_CRB_IDC_VER_MAJOR,
	QLA83XX_FW_VER_MAJOR,
	QLA83XX_FW_VER_MINOR,
	QLA83XX_FW_VER_SUB,
	QLA83XX_CMDPEG_STATE,
	QLA83XX_ASIC_TEMP,
};


#define QLA83XX_CRB_WIN_BASE		0x3800

#define QLA83XX_CRB_WIN_FUNC(f)		(QLA83XX_CRB_WIN_BASE+((f)*4))

#define QLA83XX_SEM_LOCK_BASE		0x3840

#define QLA83XX_SEM_UNLOCK_BASE		0x3844

#define QLA83XX_SEM_LOCK_FUNC(f)	(QLA83XX_SEM_LOCK_BASE+((f)*8))

#define QLA83XX_SEM_UNLOCK_FUNC(f)	(QLA83XX_SEM_UNLOCK_BASE+((f)*8))

#define QLA83XX_LINK_STATE(f)		(0x3698+((f) > 7 ? 4 : 0))

#define QLA83XX_LINK_SPEED(f)		(0x36E0+(((f) >> 2) * 4))

#define QLA83XX_MAX_LINK_SPEED(f)       (0x36F0+(((f) / 4) * 4))

#define QLA83XX_LINK_SPEED_FACTOR	10

/* FLASH API Defines */

#define QLA83xx_FLASH_MAX_WAIT_USEC	100

#define QLA83XX_FLASH_LOCK_TIMEOUT	10000

#define QLA83XX_FLASH_SECTOR_SIZE	65536

#define QLA83XX_DRV_LOCK_TIMEOUT	2000

#define QLA83XX_FLASH_SECTOR_ERASE_CMD	0xdeadbeef

#define QLA83XX_FLASH_WRITE_CMD		0xdacdacda

#define QLA83XX_FLASH_BUFFER_WRITE_CMD	0xcadcadca

#define QLA83XX_FLASH_READ_RETRY_COUNT	2000

#define QLA83XX_FLASH_STATUS_READY	0x6

#define QLA83XX_FLASH_BUFFER_WRITE_MIN	2

#define QLA83XX_FLASH_BUFFER_WRITE_MAX	64

#define QLA83XX_FLASH_STATUS_REG_POLL_DELAY 1

#define QLA83XX_ERASE_MODE		1

#define QLA83XX_WRITE_MODE		2

#define QLA83XX_DWORD_WRITE_MODE	3


#define QLA83XX_GLOBAL_RESET		0x38CC

#define QLA83XX_WILDCARD		0x38F0

#define QLA83XX_INFORMANT		0x38FC

#define QLA83XX_HOST_MBX_CTRL		0x3038

#define QLA83XX_FW_MBX_CTRL		0x303C

#define QLA83XX_BOOTLOADER_ADDR		0x355C

#define QLA83XX_BOOTLOADER_SIZE		0x3560

#define QLA83XX_FW_IMAGE_ADDR		0x3564

#define QLA83XX_MBX_INTR_ENABLE		0x1000

#define QLA83XX_MBX_INTR_MASK		0x1200

/* IDC Control Register bit defines */

#define DONTRESET_BIT0		0x1

#define GRACEFUL_RESET_BIT1	0x2


#define QLA83XX_HALT_STATUS_INFORMATIONAL	(0x1 << 29)

#define QLA83XX_HALT_STATUS_FW_RESET		(0x2 << 29)

#define QLA83XX_HALT_STATUS_UNRECOVERABLE	(0x4 << 29)

/* Firmware image definitions */

#define QLA83XX_BOOTLOADER_FLASH_ADDR	0x10000

#define QLA83XX_BOOT_FROM_FLASH		0


#define QLA83XX_IDC_PARAM_ADDR		0x3e8020
/* Reset template definitions */

#define QLA83XX_MAX_RESET_SEQ_ENTRIES	16

#define QLA83XX_RESTART_TEMPLATE_SIZE	0x2000

#define QLA83XX_RESET_TEMPLATE_ADDR	0x4F0000

#define QLA83XX_RESET_SEQ_VERSION	0x0101

/* Reset template entry opcodes */

#define OPCODE_NOP			0x0000

#define OPCODE_WRITE_LIST		0x0001

#define OPCODE_READ_WRITE_LIST		0x0002

#define OPCODE_POLL_LIST		0x0004

#define OPCODE_POLL_WRITE_LIST		0x0008

#define OPCODE_READ_MODIFY_WRITE	0x0010

#define OPCODE_SEQ_PAUSE		0x0020

#define OPCODE_SEQ_END			0x0040

#define OPCODE_TMPL_END			0x0080

#define OPCODE_POLL_READ_LIST		0x0100

/* Template Header */

#define RESET_TMPLT_HDR_SIGNATURE	0xCAFE

struct qla4_83xx_reset_template_hdr {
	
__le16	version;
	
__le16	signature;
	
__le16	size;
	
__le16	entries;
	
__le16	hdr_size;
	
__le16	checksum;
	
__le16	init_seq_offset;
	
__le16	start_seq_offset;
} 
__packed;

/* Common Entry Header. */

struct qla4_83xx_reset_entry_hdr {
	
__le16 cmd;
	
__le16 size;
	
__le16 count;
	
__le16 delay;
} 
__packed;

/* Generic poll entry type. */

struct qla4_83xx_poll {
	
__le32  test_mask;
	
__le32  test_value;
} 
__packed;

/* Read modify write entry type. */

struct qla4_83xx_rmw {
	
__le32  test_mask;
	
__le32  xor_value;
	
__le32  or_value;
	
uint8_t shl;
	
uint8_t shr;
	
uint8_t index_a;
	
uint8_t rsvd;
} 
__packed;

/* Generic Entry Item with 2 DWords. */

struct qla4_83xx_entry {
	
__le32 arg1;
	
__le32 arg2;
} 
__packed;

/* Generic Entry Item with 4 DWords.*/

struct qla4_83xx_quad_entry {
	
__le32 dr_addr;
	
__le32 dr_value;
	
__le32 ar_addr;
	
__le32 ar_value;
} 
__packed;


struct qla4_83xx_reset_template {
	
int seq_index;
	
int seq_error;
	
int array_index;
	
uint32_t array[QLA83XX_MAX_RESET_SEQ_ENTRIES];
	
uint8_t *buff;
	
uint8_t *stop_offset;
	
uint8_t *start_offset;
	
uint8_t *init_offset;
	
struct qla4_83xx_reset_template_hdr *hdr;
	
uint8_t seq_end;
	
uint8_t template_end;
};

/* POLLRD Entry */

struct qla83xx_minidump_entry_pollrd {
	
struct qla8xxx_minidump_entry_hdr h;
	
uint32_t select_addr;
	
uint32_t read_addr;
	
uint32_t select_value;
	
uint16_t select_value_stride;
	
uint16_t op_count;
	
uint32_t poll_wait;
	
uint32_t poll_mask;
	
uint32_t data_size;
	
uint32_t rsvd_1;
};


struct qla8044_minidump_entry_rddfe {
	
struct qla8xxx_minidump_entry_hdr h;
	
uint32_t addr_1;
	
uint32_t value;
	
uint8_t stride;
	
uint8_t stride2;
	
uint16_t count;
	
uint32_t poll;
	
uint32_t mask;
	
uint32_t modify_mask;
	
uint32_t data_size;
	
uint32_t rsvd;

} 
__packed;


struct qla8044_minidump_entry_rdmdio {
	
struct qla8xxx_minidump_entry_hdr h;

	
uint32_t addr_1;
	
uint32_t addr_2;
	
uint32_t value_1;
	
uint8_t stride_1;
	
uint8_t stride_2;
	
uint16_t count;
	
uint32_t poll;
	
uint32_t mask;
	
uint32_t value_2;
	
uint32_t data_size;

} 
__packed;


struct qla8044_minidump_entry_pollwr {
	
struct qla8xxx_minidump_entry_hdr h;
	
uint32_t addr_1;
	
uint32_t addr_2;
	
uint32_t value_1;
	
uint32_t value_2;
	
uint32_t poll;
	
uint32_t mask;
	
uint32_t data_size;
	
uint32_t rsvd;

} 
__packed;

/* RDMUX2 Entry */

struct qla83xx_minidump_entry_rdmux2 {
	
struct qla8xxx_minidump_entry_hdr h;
	
uint32_t select_addr_1;
	
uint32_t select_addr_2;
	
uint32_t select_value_1;
	
uint32_t select_value_2;
	
uint32_t op_count;
	
uint32_t select_value_mask;
	
uint32_t read_addr;
	
uint8_t select_value_stride;
	
uint8_t data_size;
	
uint8_t rsvd[2];
};

/* POLLRDMWR Entry */

struct qla83xx_minidump_entry_pollrdmwr {
	
struct qla8xxx_minidump_entry_hdr h;
	
uint32_t addr_1;
	
uint32_t addr_2;
	
uint32_t value_1;
	
uint32_t value_2;
	
uint32_t poll_wait;
	
uint32_t poll_mask;
	
uint32_t modify_mask;
	
uint32_t data_size;
};

/* IDC additional information */

struct qla4_83xx_idc_information {
	
uint32_t request_desc;  /* IDC request descriptor */
	
uint32_t info1; /* IDC additional info */
	
uint32_t info2; /* IDC additional info */
	
uint32_t info3; /* IDC additional info */
};


#define QLA83XX_PEX_DMA_ENGINE_INDEX		8

#define QLA83XX_PEX_DMA_BASE_ADDRESS		0x77320000

#define QLA83XX_PEX_DMA_NUM_OFFSET		0x10000

#define QLA83XX_PEX_DMA_CMD_ADDR_LOW		0x0

#define QLA83XX_PEX_DMA_CMD_ADDR_HIGH		0x04

#define QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL	0x08


#define QLA83XX_PEX_DMA_READ_SIZE	(16 * 1024)

#define QLA83XX_PEX_DMA_MAX_WAIT	(100 * 100) 
/* Max wait of 100 msecs */

/* Read Memory: For Pex-DMA */

struct qla4_83xx_minidump_entry_rdmem_pex_dma {
	
struct qla8xxx_minidump_entry_hdr h;
	
uint32_t desc_card_addr;
	
uint16_t dma_desc_cmd;
	
uint8_t rsvd[2];
	
uint32_t start_dma_cmd;
	
uint8_t rsvd2[12];
	
uint32_t read_addr;
	
uint32_t read_data_size;
};


struct qla4_83xx_pex_dma_descriptor {
	struct {
		
uint32_t read_data_size; /* 0-23: size, 24-31: rsvd */
		
uint8_t rsvd[2];
		
uint16_t dma_desc_cmd;
	} 
cmd;
	
uint64_t src_addr;
	
uint64_t dma_bus_addr; /* 0-3: desc-cmd, 4-7: pci-func,
                                * 8-15: desc-cmd */
	
uint8_t rsvd[24];
} 
__packed;

#endif

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