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linux/drivers/scsi/mvsas/mv_defs.h
John Garry 2acf97f199 scsi: mvsas: Use sas_task_find_rq() for tagging 
The request associated with a SCSI command coming from the block layer has
a unique tag, so use that when possible for getting a slot.

Unfortunately we don't support reserved commands in the SCSI midlayer yet.
As such, SMP tasks - as an example - will not have a request associated, so
in the interim continue to manage those tags for that type of sas_task
internally.

We reserve an arbitrary 4 tags for these internal tags. Indeed, we already
decrement MVS_RSVD_SLOTS by 2 for the shost can_queue when flag
MVF_FLAG_SOC is set. This change was made in commit 20b09c2992 ("[SCSI]
mvsas: add support for 94xx; layout change; bug fixes"), but what those 2
slots are used for is not obvious.

Also make the tag management functions static, where possible.

Signed-off-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/1666091763-11023-8-git-send-email-john.garry@huawei.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-10-22 03:02:52 +00:00

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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Marvell 88SE64xx/88SE94xx const head file
*
* Copyright 2007 Red Hat, Inc.
* Copyright 2008 Marvell. <kewei@marvell.com>
* Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
*/
#ifndef _MV_DEFS_H_
#define _MV_DEFS_H_
#define PCI_DEVICE_ID_ARECA_1300 0x1300
#define PCI_DEVICE_ID_ARECA_1320 0x1320
enum chip_flavors {
chip_6320,
chip_6440,
chip_6485,
chip_9480,
chip_9180,
chip_9445,
chip_9485,
chip_1300,
chip_1320
};
/* driver compile-time configuration */
enum driver_configuration {
MVS_TX_RING_SZ = 1024, /* TX ring size (12-bit) */
MVS_RX_RING_SZ = 1024, /* RX ring size (12-bit) */
/* software requires power-of-2
ring size */
MVS_SOC_SLOTS = 64,
MVS_SOC_TX_RING_SZ = MVS_SOC_SLOTS * 2,
MVS_SOC_RX_RING_SZ = MVS_SOC_SLOTS * 2,
MVS_SLOT_BUF_SZ = 8192, /* cmd tbl + IU + status + PRD */
MVS_SSP_CMD_SZ = 64, /* SSP command table buffer size */
MVS_ATA_CMD_SZ = 96, /* SATA command table buffer size */
MVS_OAF_SZ = 64, /* Open address frame buffer size */
MVS_QUEUE_SIZE = 64, /* Support Queue depth */
MVS_RSVD_SLOTS = 4,
MVS_SOC_CAN_QUEUE = MVS_SOC_SLOTS - 2,
};
/* unchangeable hardware details */
enum hardware_details {
MVS_MAX_PHYS = 8, /* max. possible phys */
MVS_MAX_PORTS = 8, /* max. possible ports */
MVS_SOC_PHYS = 4, /* soc phys */
MVS_SOC_PORTS = 4, /* soc phys */
MVS_MAX_DEVICES = 1024, /* max supported device */
};
/* peripheral registers (BAR2) */
enum peripheral_registers {
SPI_CTL = 0x10, /* EEPROM control */
SPI_CMD = 0x14, /* EEPROM command */
SPI_DATA = 0x18, /* EEPROM data */
};
enum peripheral_register_bits {
TWSI_RDY = (1U << 7), /* EEPROM interface ready */
TWSI_RD = (1U << 4), /* EEPROM read access */
SPI_ADDR_MASK = 0x3ffff, /* bits 17:0 */
};
enum hw_register_bits {
/* MVS_GBL_CTL */
INT_EN = (1U << 1), /* Global int enable */
HBA_RST = (1U << 0), /* HBA reset */
/* MVS_GBL_INT_STAT */
INT_XOR = (1U << 4), /* XOR engine event */
INT_SAS_SATA = (1U << 0), /* SAS/SATA event */
/* MVS_GBL_PORT_TYPE */ /* shl for ports 1-3 */
SATA_TARGET = (1U << 16), /* port0 SATA target enable */
MODE_AUTO_DET_PORT7 = (1U << 15), /* port0 SAS/SATA autodetect */
MODE_AUTO_DET_PORT6 = (1U << 14),
MODE_AUTO_DET_PORT5 = (1U << 13),
MODE_AUTO_DET_PORT4 = (1U << 12),
MODE_AUTO_DET_PORT3 = (1U << 11),
MODE_AUTO_DET_PORT2 = (1U << 10),
MODE_AUTO_DET_PORT1 = (1U << 9),
MODE_AUTO_DET_PORT0 = (1U << 8),
MODE_AUTO_DET_EN = MODE_AUTO_DET_PORT0 | MODE_AUTO_DET_PORT1 |
MODE_AUTO_DET_PORT2 | MODE_AUTO_DET_PORT3 |
MODE_AUTO_DET_PORT4 | MODE_AUTO_DET_PORT5 |
MODE_AUTO_DET_PORT6 | MODE_AUTO_DET_PORT7,
MODE_SAS_PORT7_MASK = (1U << 7), /* port0 SAS(1), SATA(0) mode */
MODE_SAS_PORT6_MASK = (1U << 6),
MODE_SAS_PORT5_MASK = (1U << 5),
MODE_SAS_PORT4_MASK = (1U << 4),
MODE_SAS_PORT3_MASK = (1U << 3),
MODE_SAS_PORT2_MASK = (1U << 2),
MODE_SAS_PORT1_MASK = (1U << 1),
MODE_SAS_PORT0_MASK = (1U << 0),
MODE_SAS_SATA = MODE_SAS_PORT0_MASK | MODE_SAS_PORT1_MASK |
MODE_SAS_PORT2_MASK | MODE_SAS_PORT3_MASK |
MODE_SAS_PORT4_MASK | MODE_SAS_PORT5_MASK |
MODE_SAS_PORT6_MASK | MODE_SAS_PORT7_MASK,
/* SAS_MODE value may be
* dictated (in hw) by values
* of SATA_TARGET & AUTO_DET
*/
/* MVS_TX_CFG */
TX_EN = (1U << 16), /* Enable TX */
TX_RING_SZ_MASK = 0xfff, /* TX ring size, bits 11:0 */
/* MVS_RX_CFG */
RX_EN = (1U << 16), /* Enable RX */
RX_RING_SZ_MASK = 0xfff, /* RX ring size, bits 11:0 */
/* MVS_INT_COAL */
COAL_EN = (1U << 16), /* Enable int coalescing */
/* MVS_INT_STAT, MVS_INT_MASK */
CINT_I2C = (1U << 31), /* I2C event */
CINT_SW0 = (1U << 30), /* software event 0 */
CINT_SW1 = (1U << 29), /* software event 1 */
CINT_PRD_BC = (1U << 28), /* PRD BC err for read cmd */
CINT_DMA_PCIE = (1U << 27), /* DMA to PCIE timeout */
CINT_MEM = (1U << 26), /* int mem parity err */
CINT_I2C_SLAVE = (1U << 25), /* slave I2C event */
CINT_NON_SPEC_NCQ_ERROR = (1U << 25), /* Non specific NCQ error */
CINT_SRS = (1U << 3), /* SRS event */
CINT_CI_STOP = (1U << 1), /* cmd issue stopped */
CINT_DONE = (1U << 0), /* cmd completion */
/* shl for ports 1-3 */
CINT_PORT_STOPPED = (1U << 16), /* port0 stopped */
CINT_PORT = (1U << 8), /* port0 event */
CINT_PORT_MASK_OFFSET = 8,
CINT_PORT_MASK = (0xFF << CINT_PORT_MASK_OFFSET),
CINT_PHY_MASK_OFFSET = 4,
CINT_PHY_MASK = (0x0F << CINT_PHY_MASK_OFFSET),
/* TX (delivery) ring bits */
TXQ_CMD_SHIFT = 29,
TXQ_CMD_SSP = 1, /* SSP protocol */
TXQ_CMD_SMP = 2, /* SMP protocol */
TXQ_CMD_STP = 3, /* STP/SATA protocol */
TXQ_CMD_SSP_FREE_LIST = 4, /* add to SSP target free list */
TXQ_CMD_SLOT_RESET = 7, /* reset command slot */
TXQ_MODE_I = (1U << 28), /* mode: 0=target,1=initiator */
TXQ_MODE_TARGET = 0,
TXQ_MODE_INITIATOR = 1,
TXQ_PRIO_HI = (1U << 27), /* priority: 0=normal, 1=high */
TXQ_PRI_NORMAL = 0,
TXQ_PRI_HIGH = 1,
TXQ_SRS_SHIFT = 20, /* SATA register set */
TXQ_SRS_MASK = 0x7f,
TXQ_PHY_SHIFT = 12, /* PHY bitmap */
TXQ_PHY_MASK = 0xff,
TXQ_SLOT_MASK = 0xfff, /* slot number */
/* RX (completion) ring bits */
RXQ_GOOD = (1U << 23), /* Response good */
RXQ_SLOT_RESET = (1U << 21), /* Slot reset complete */
RXQ_CMD_RX = (1U << 20), /* target cmd received */
RXQ_ATTN = (1U << 19), /* attention */
RXQ_RSP = (1U << 18), /* response frame xfer'd */
RXQ_ERR = (1U << 17), /* err info rec xfer'd */
RXQ_DONE = (1U << 16), /* cmd complete */
RXQ_SLOT_MASK = 0xfff, /* slot number */
/* mvs_cmd_hdr bits */
MCH_PRD_LEN_SHIFT = 16, /* 16-bit PRD table len */
MCH_SSP_FR_TYPE_SHIFT = 13, /* SSP frame type */
/* SSP initiator only */
MCH_SSP_FR_CMD = 0x0, /* COMMAND frame */
/* SSP initiator or target */
MCH_SSP_FR_TASK = 0x1, /* TASK frame */
/* SSP target only */
MCH_SSP_FR_XFER_RDY = 0x4, /* XFER_RDY frame */
MCH_SSP_FR_RESP = 0x5, /* RESPONSE frame */
MCH_SSP_FR_READ = 0x6, /* Read DATA frame(s) */
MCH_SSP_FR_READ_RESP = 0x7, /* ditto, plus RESPONSE */
MCH_SSP_MODE_PASSTHRU = 1,
MCH_SSP_MODE_NORMAL = 0,
MCH_PASSTHRU = (1U << 12), /* pass-through (SSP) */
MCH_FBURST = (1U << 11), /* first burst (SSP) */
MCH_CHK_LEN = (1U << 10), /* chk xfer len (SSP) */
MCH_RETRY = (1U << 9), /* tport layer retry (SSP) */
MCH_PROTECTION = (1U << 8), /* protection info rec (SSP) */
MCH_RESET = (1U << 7), /* Reset (STP/SATA) */
MCH_FPDMA = (1U << 6), /* First party DMA (STP/SATA) */
MCH_ATAPI = (1U << 5), /* ATAPI (STP/SATA) */
MCH_BIST = (1U << 4), /* BIST activate (STP/SATA) */
MCH_PMP_MASK = 0xf, /* PMP from cmd FIS (STP/SATA)*/
CCTL_RST = (1U << 5), /* port logic reset */
/* 0(LSB first), 1(MSB first) */
CCTL_ENDIAN_DATA = (1U << 3), /* PRD data */
CCTL_ENDIAN_RSP = (1U << 2), /* response frame */
CCTL_ENDIAN_OPEN = (1U << 1), /* open address frame */
CCTL_ENDIAN_CMD = (1U << 0), /* command table */
/* MVS_Px_SER_CTLSTAT (per-phy control) */
PHY_SSP_RST = (1U << 3), /* reset SSP link layer */
PHY_BCAST_CHG = (1U << 2), /* broadcast(change) notif */
PHY_RST_HARD = (1U << 1), /* hard reset + phy reset */
PHY_RST = (1U << 0), /* phy reset */
PHY_READY_MASK = (1U << 20),
/* MVS_Px_INT_STAT, MVS_Px_INT_MASK (per-phy events) */
PHYEV_DEC_ERR = (1U << 24), /* Phy Decoding Error */
PHYEV_DCDR_ERR = (1U << 23), /* STP Deocder Error */
PHYEV_CRC_ERR = (1U << 22), /* STP CRC Error */
PHYEV_UNASSOC_FIS = (1U << 19), /* unassociated FIS rx'd */
PHYEV_AN = (1U << 18), /* SATA async notification */
PHYEV_BIST_ACT = (1U << 17), /* BIST activate FIS */
PHYEV_SIG_FIS = (1U << 16), /* signature FIS */
PHYEV_POOF = (1U << 12), /* phy ready from 1 -> 0 */
PHYEV_IU_BIG = (1U << 11), /* IU too long err */
PHYEV_IU_SMALL = (1U << 10), /* IU too short err */
PHYEV_UNK_TAG = (1U << 9), /* unknown tag */
PHYEV_BROAD_CH = (1U << 8), /* broadcast(CHANGE) */
PHYEV_COMWAKE = (1U << 7), /* COMWAKE rx'd */
PHYEV_PORT_SEL = (1U << 6), /* port selector present */
PHYEV_HARD_RST = (1U << 5), /* hard reset rx'd */
PHYEV_ID_TMOUT = (1U << 4), /* identify timeout */
PHYEV_ID_FAIL = (1U << 3), /* identify failed */
PHYEV_ID_DONE = (1U << 2), /* identify done */
PHYEV_HARD_RST_DONE = (1U << 1), /* hard reset done */
PHYEV_RDY_CH = (1U << 0), /* phy ready changed state */
/* MVS_PCS */
PCS_EN_SATA_REG_SHIFT = (16), /* Enable SATA Register Set */
PCS_EN_PORT_XMT_SHIFT = (12), /* Enable Port Transmit */
PCS_EN_PORT_XMT_SHIFT2 = (8), /* For 6485 */
PCS_SATA_RETRY = (1U << 8), /* retry ctl FIS on R_ERR */
PCS_RSP_RX_EN = (1U << 7), /* raw response rx */
PCS_SATA_RETRY_2 = (1U << 6), /* For 9180 */
PCS_SELF_CLEAR = (1U << 5), /* self-clearing int mode */
PCS_FIS_RX_EN = (1U << 4), /* FIS rx enable */
PCS_CMD_STOP_ERR = (1U << 3), /* cmd stop-on-err enable */
PCS_CMD_RST = (1U << 1), /* reset cmd issue */
PCS_CMD_EN = (1U << 0), /* enable cmd issue */
/* Port n Attached Device Info */
PORT_DEV_SSP_TRGT = (1U << 19),
PORT_DEV_SMP_TRGT = (1U << 18),
PORT_DEV_STP_TRGT = (1U << 17),
PORT_DEV_SSP_INIT = (1U << 11),
PORT_DEV_SMP_INIT = (1U << 10),
PORT_DEV_STP_INIT = (1U << 9),
PORT_PHY_ID_MASK = (0xFFU << 24),
PORT_SSP_TRGT_MASK = (0x1U << 19),
PORT_SSP_INIT_MASK = (0x1U << 11),
PORT_DEV_TRGT_MASK = (0x7U << 17),
PORT_DEV_INIT_MASK = (0x7U << 9),
PORT_DEV_TYPE_MASK = (0x7U << 0),
/* Port n PHY Status */
PHY_RDY = (1U << 2),
PHY_DW_SYNC = (1U << 1),
PHY_OOB_DTCTD = (1U << 0),
/* VSR */
/* PHYMODE 6 (CDB) */
PHY_MODE6_LATECLK = (1U << 29), /* Lock Clock */
PHY_MODE6_DTL_SPEED = (1U << 27), /* Digital Loop Speed */
PHY_MODE6_FC_ORDER = (1U << 26), /* Fibre Channel Mode Order*/
PHY_MODE6_MUCNT_EN = (1U << 24), /* u Count Enable */
PHY_MODE6_SEL_MUCNT_LEN = (1U << 22), /* Training Length Select */
PHY_MODE6_SELMUPI = (1U << 20), /* Phase Multi Select (init) */
PHY_MODE6_SELMUPF = (1U << 18), /* Phase Multi Select (final) */
PHY_MODE6_SELMUFF = (1U << 16), /* Freq Loop Multi Sel(final) */
PHY_MODE6_SELMUFI = (1U << 14), /* Freq Loop Multi Sel(init) */
PHY_MODE6_FREEZE_LOOP = (1U << 12), /* Freeze Rx CDR Loop */
PHY_MODE6_INT_RXFOFFS = (1U << 3), /* Rx CDR Freq Loop Enable */
PHY_MODE6_FRC_RXFOFFS = (1U << 2), /* Initial Rx CDR Offset */
PHY_MODE6_STAU_0D8 = (1U << 1), /* Rx CDR Freq Loop Saturate */
PHY_MODE6_RXSAT_DIS = (1U << 0), /* Saturate Ctl */
};
/* SAS/SATA configuration port registers, aka phy registers */
enum sas_sata_config_port_regs {
PHYR_IDENTIFY = 0x00, /* info for IDENTIFY frame */
PHYR_ADDR_LO = 0x04, /* my SAS address (low) */
PHYR_ADDR_HI = 0x08, /* my SAS address (high) */
PHYR_ATT_DEV_INFO = 0x0C, /* attached device info */
PHYR_ATT_ADDR_LO = 0x10, /* attached dev SAS addr (low) */
PHYR_ATT_ADDR_HI = 0x14, /* attached dev SAS addr (high) */
PHYR_SATA_CTL = 0x18, /* SATA control */
PHYR_PHY_STAT = 0x1C, /* PHY status */
PHYR_SATA_SIG0 = 0x20, /*port SATA signature FIS(Byte 0-3) */
PHYR_SATA_SIG1 = 0x24, /*port SATA signature FIS(Byte 4-7) */
PHYR_SATA_SIG2 = 0x28, /*port SATA signature FIS(Byte 8-11) */
PHYR_SATA_SIG3 = 0x2c, /*port SATA signature FIS(Byte 12-15) */
PHYR_R_ERR_COUNT = 0x30, /* port R_ERR count register */
PHYR_CRC_ERR_COUNT = 0x34, /* port CRC error count register */
PHYR_WIDE_PORT = 0x38, /* wide port participating */
PHYR_CURRENT0 = 0x80, /* current connection info 0 */
PHYR_CURRENT1 = 0x84, /* current connection info 1 */
PHYR_CURRENT2 = 0x88, /* current connection info 2 */
CONFIG_ID_FRAME0 = 0x100, /* Port device ID frame register 0 */
CONFIG_ID_FRAME1 = 0x104, /* Port device ID frame register 1 */
CONFIG_ID_FRAME2 = 0x108, /* Port device ID frame register 2 */
CONFIG_ID_FRAME3 = 0x10c, /* Port device ID frame register 3 */
CONFIG_ID_FRAME4 = 0x110, /* Port device ID frame register 4 */
CONFIG_ID_FRAME5 = 0x114, /* Port device ID frame register 5 */
CONFIG_ID_FRAME6 = 0x118, /* Port device ID frame register 6 */
CONFIG_ATT_ID_FRAME0 = 0x11c, /* attached ID frame register 0 */
CONFIG_ATT_ID_FRAME1 = 0x120, /* attached ID frame register 1 */
CONFIG_ATT_ID_FRAME2 = 0x124, /* attached ID frame register 2 */
CONFIG_ATT_ID_FRAME3 = 0x128, /* attached ID frame register 3 */
CONFIG_ATT_ID_FRAME4 = 0x12c, /* attached ID frame register 4 */
CONFIG_ATT_ID_FRAME5 = 0x130, /* attached ID frame register 5 */
CONFIG_ATT_ID_FRAME6 = 0x134, /* attached ID frame register 6 */
};
enum sas_cmd_port_registers {
CMD_CMRST_OOB_DET = 0x100, /* COMRESET OOB detect register */
CMD_CMWK_OOB_DET = 0x104, /* COMWAKE OOB detect register */
CMD_CMSAS_OOB_DET = 0x108, /* COMSAS OOB detect register */
CMD_BRST_OOB_DET = 0x10c, /* burst OOB detect register */
CMD_OOB_SPACE = 0x110, /* OOB space control register */
CMD_OOB_BURST = 0x114, /* OOB burst control register */
CMD_PHY_TIMER = 0x118, /* PHY timer control register */
CMD_PHY_CONFIG0 = 0x11c, /* PHY config register 0 */
CMD_PHY_CONFIG1 = 0x120, /* PHY config register 1 */
CMD_SAS_CTL0 = 0x124, /* SAS control register 0 */
CMD_SAS_CTL1 = 0x128, /* SAS control register 1 */
CMD_SAS_CTL2 = 0x12c, /* SAS control register 2 */
CMD_SAS_CTL3 = 0x130, /* SAS control register 3 */
CMD_ID_TEST = 0x134, /* ID test register */
CMD_PL_TIMER = 0x138, /* PL timer register */
CMD_WD_TIMER = 0x13c, /* WD timer register */
CMD_PORT_SEL_COUNT = 0x140, /* port selector count register */
CMD_APP_MEM_CTL = 0x144, /* Application Memory Control */
CMD_XOR_MEM_CTL = 0x148, /* XOR Block Memory Control */
CMD_DMA_MEM_CTL = 0x14c, /* DMA Block Memory Control */
CMD_PORT_MEM_CTL0 = 0x150, /* Port Memory Control 0 */
CMD_PORT_MEM_CTL1 = 0x154, /* Port Memory Control 1 */
CMD_SATA_PORT_MEM_CTL0 = 0x158, /* SATA Port Memory Control 0 */
CMD_SATA_PORT_MEM_CTL1 = 0x15c, /* SATA Port Memory Control 1 */
CMD_XOR_MEM_BIST_CTL = 0x160, /* XOR Memory BIST Control */
CMD_XOR_MEM_BIST_STAT = 0x164, /* XOR Memroy BIST Status */
CMD_DMA_MEM_BIST_CTL = 0x168, /* DMA Memory BIST Control */
CMD_DMA_MEM_BIST_STAT = 0x16c, /* DMA Memory BIST Status */
CMD_PORT_MEM_BIST_CTL = 0x170, /* Port Memory BIST Control */
CMD_PORT_MEM_BIST_STAT0 = 0x174, /* Port Memory BIST Status 0 */
CMD_PORT_MEM_BIST_STAT1 = 0x178, /* Port Memory BIST Status 1 */
CMD_STP_MEM_BIST_CTL = 0x17c, /* STP Memory BIST Control */
CMD_STP_MEM_BIST_STAT0 = 0x180, /* STP Memory BIST Status 0 */
CMD_STP_MEM_BIST_STAT1 = 0x184, /* STP Memory BIST Status 1 */
CMD_RESET_COUNT = 0x188, /* Reset Count */
CMD_MONTR_DATA_SEL = 0x18C, /* Monitor Data/Select */
CMD_PLL_PHY_CONFIG = 0x190, /* PLL/PHY Configuration */
CMD_PHY_CTL = 0x194, /* PHY Control and Status */
CMD_PHY_TEST_COUNT0 = 0x198, /* Phy Test Count 0 */
CMD_PHY_TEST_COUNT1 = 0x19C, /* Phy Test Count 1 */
CMD_PHY_TEST_COUNT2 = 0x1A0, /* Phy Test Count 2 */
CMD_APP_ERR_CONFIG = 0x1A4, /* Application Error Configuration */
CMD_PND_FIFO_CTL0 = 0x1A8, /* Pending FIFO Control 0 */
CMD_HOST_CTL = 0x1AC, /* Host Control Status */
CMD_HOST_WR_DATA = 0x1B0, /* Host Write Data */
CMD_HOST_RD_DATA = 0x1B4, /* Host Read Data */
CMD_PHY_MODE_21 = 0x1B8, /* Phy Mode 21 */
CMD_SL_MODE0 = 0x1BC, /* SL Mode 0 */
CMD_SL_MODE1 = 0x1C0, /* SL Mode 1 */
CMD_PND_FIFO_CTL1 = 0x1C4, /* Pending FIFO Control 1 */
CMD_PORT_LAYER_TIMER1 = 0x1E0, /* Port Layer Timer 1 */
CMD_LINK_TIMER = 0x1E4, /* Link Timer */
};
enum mvs_info_flags {
MVF_PHY_PWR_FIX = (1U << 1), /* bug workaround */
MVF_FLAG_SOC = (1U << 2), /* SoC integrated controllers */
};
enum mvs_event_flags {
PHY_PLUG_EVENT = (3U),
PHY_PLUG_IN = (1U << 0), /* phy plug in */
PHY_PLUG_OUT = (1U << 1), /* phy plug out */
EXP_BRCT_CHG = (1U << 2), /* broadcast change */
};
enum mvs_port_type {
PORT_TGT_MASK = (1U << 5),
PORT_INIT_PORT = (1U << 4),
PORT_TGT_PORT = (1U << 3),
PORT_INIT_TGT_PORT = (PORT_INIT_PORT | PORT_TGT_PORT),
PORT_TYPE_SAS = (1U << 1),
PORT_TYPE_SATA = (1U << 0),
};
/* Command Table Format */
enum ct_format {
/* SSP */
SSP_F_H = 0x00,
SSP_F_IU = 0x18,
SSP_F_MAX = 0x4D,
/* STP */
STP_CMD_FIS = 0x00,
STP_ATAPI_CMD = 0x40,
STP_F_MAX = 0x10,
/* SMP */
SMP_F_T = 0x00,
SMP_F_DEP = 0x01,
SMP_F_MAX = 0x101,
};
enum status_buffer {
SB_EIR_OFF = 0x00, /* Error Information Record */
SB_RFB_OFF = 0x08, /* Response Frame Buffer */
SB_RFB_MAX = 0x400, /* RFB size*/
};
enum error_info_rec {
CMD_ISS_STPD = (1U << 31), /* Cmd Issue Stopped */
CMD_PI_ERR = (1U << 30), /* Protection info error. see flags2 */
RSP_OVER = (1U << 29), /* rsp buffer overflow */
RETRY_LIM = (1U << 28), /* FIS/frame retry limit exceeded */
UNK_FIS = (1U << 27), /* unknown FIS */
DMA_TERM = (1U << 26), /* DMA terminate primitive rx'd */
SYNC_ERR = (1U << 25), /* SYNC rx'd during frame xmit */
TFILE_ERR = (1U << 24), /* SATA taskfile Error bit set */
R_ERR = (1U << 23), /* SATA returned R_ERR prim */
RD_OFS = (1U << 20), /* Read DATA frame invalid offset */
XFER_RDY_OFS = (1U << 19), /* XFER_RDY offset error */
UNEXP_XFER_RDY = (1U << 18), /* unexpected XFER_RDY error */
DATA_OVER_UNDER = (1U << 16), /* data overflow/underflow */
INTERLOCK = (1U << 15), /* interlock error */
NAK = (1U << 14), /* NAK rx'd */
ACK_NAK_TO = (1U << 13), /* ACK/NAK timeout */
CXN_CLOSED = (1U << 12), /* cxn closed w/out ack/nak */
OPEN_TO = (1U << 11), /* I_T nexus lost, open cxn timeout */
PATH_BLOCKED = (1U << 10), /* I_T nexus lost, pathway blocked */
NO_DEST = (1U << 9), /* I_T nexus lost, no destination */
STP_RES_BSY = (1U << 8), /* STP resources busy */
BREAK = (1U << 7), /* break received */
BAD_DEST = (1U << 6), /* bad destination */
BAD_PROTO = (1U << 5), /* protocol not supported */
BAD_RATE = (1U << 4), /* cxn rate not supported */
WRONG_DEST = (1U << 3), /* wrong destination error */
CREDIT_TO = (1U << 2), /* credit timeout */
WDOG_TO = (1U << 1), /* watchdog timeout */
BUF_PAR = (1U << 0), /* buffer parity error */
};
enum error_info_rec_2 {
SLOT_BSY_ERR = (1U << 31), /* Slot Busy Error */
GRD_CHK_ERR = (1U << 14), /* Guard Check Error */
APP_CHK_ERR = (1U << 13), /* Application Check error */
REF_CHK_ERR = (1U << 12), /* Reference Check Error */
USR_BLK_NM = (1U << 0), /* User Block Number */
};
enum pci_cfg_register_bits {
PCTL_PWR_OFF = (0xFU << 24),
PCTL_COM_ON = (0xFU << 20),
PCTL_LINK_RST = (0xFU << 16),
PCTL_LINK_OFFS = (16),
PCTL_PHY_DSBL = (0xFU << 12),
PCTL_PHY_DSBL_OFFS = (12),
PRD_REQ_SIZE = (0x4000),
PRD_REQ_MASK = (0x00007000),
PLS_NEG_LINK_WD = (0x3FU << 4),
PLS_NEG_LINK_WD_OFFS = 4,
PLS_LINK_SPD = (0x0FU << 0),
PLS_LINK_SPD_OFFS = 0,
};
enum open_frame_protocol {
PROTOCOL_SMP = 0x0,
PROTOCOL_SSP = 0x1,
PROTOCOL_STP = 0x2,
};
/* define for response frame datapres field */
enum datapres_field {
NO_DATA = 0,
RESPONSE_DATA = 1,
SENSE_DATA = 2,
};
#endif
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