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freebsd/sys/dev/siis/siis.h
Alexander Motin b8b7a9027b Implement automatic SCSI sense fetching for siis(4). 
Fix device freeze leak on recovery request (READ LOG, REQUEST SENSE)
failure.
2011-04-12 11:29:15 +00:00

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/*-
* Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/* ATA register defines */
#define ATA_DATA 0 /* (RW) data */
#define ATA_FEATURE 1 /* (W) feature */
#define ATA_F_DMA 0x01 /* enable DMA */
#define ATA_F_OVL 0x02 /* enable overlap */
#define ATA_COUNT 2 /* (W) sector count */
#define ATA_SECTOR 3 /* (RW) sector # */
#define ATA_CYL_LSB 4 /* (RW) cylinder# LSB */
#define ATA_CYL_MSB 5 /* (RW) cylinder# MSB */
#define ATA_DRIVE 6 /* (W) Sector/Drive/Head */
#define ATA_D_LBA 0x40 /* use LBA addressing */
#define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
#define ATA_COMMAND 7 /* (W) command */
#define ATA_ERROR 8 /* (R) error */
#define ATA_E_ILI 0x01 /* illegal length */
#define ATA_E_NM 0x02 /* no media */
#define ATA_E_ABORT 0x04 /* command aborted */
#define ATA_E_MCR 0x08 /* media change request */
#define ATA_E_IDNF 0x10 /* ID not found */
#define ATA_E_MC 0x20 /* media changed */
#define ATA_E_UNC 0x40 /* uncorrectable data */
#define ATA_E_ICRC 0x80 /* UDMA crc error */
#define ATA_E_ATAPI_SENSE_MASK 0xf0 /* ATAPI sense key mask */
#define ATA_IREASON 9 /* (R) interrupt reason */
#define ATA_I_CMD 0x01 /* cmd (1) | data (0) */
#define ATA_I_IN 0x02 /* read (1) | write (0) */
#define ATA_I_RELEASE 0x04 /* released bus (1) */
#define ATA_I_TAGMASK 0xf8 /* tag mask */
#define ATA_STATUS 10 /* (R) status */
#define ATA_ALTSTAT 11 /* (R) alternate status */
#define ATA_S_ERROR 0x01 /* error */
#define ATA_S_INDEX 0x02 /* index */
#define ATA_S_CORR 0x04 /* data corrected */
#define ATA_S_DRQ 0x08 /* data request */
#define ATA_S_DSC 0x10 /* drive seek completed */
#define ATA_S_SERVICE 0x10 /* drive needs service */
#define ATA_S_DWF 0x20 /* drive write fault */
#define ATA_S_DMA 0x20 /* DMA ready */
#define ATA_S_READY 0x40 /* drive ready */
#define ATA_S_BUSY 0x80 /* busy */
#define ATA_CONTROL 12 /* (W) control */
#define ATA_A_IDS 0x02 /* disable interrupts */
#define ATA_A_RESET 0x04 /* RESET controller */
#define ATA_A_4BIT 0x08 /* 4 head bits */
#define ATA_A_HOB 0x80 /* High Order Byte enable */
/* SATA register defines */
#define ATA_SSTATUS 13
#define ATA_SS_DET_MASK 0x0000000f
#define ATA_SS_DET_NO_DEVICE 0x00000000
#define ATA_SS_DET_DEV_PRESENT 0x00000001
#define ATA_SS_DET_PHY_ONLINE 0x00000003
#define ATA_SS_DET_PHY_OFFLINE 0x00000004
#define ATA_SS_SPD_MASK 0x000000f0
#define ATA_SS_SPD_NO_SPEED 0x00000000
#define ATA_SS_SPD_GEN1 0x00000010
#define ATA_SS_SPD_GEN2 0x00000020
#define ATA_SS_SPD_GEN3 0x00000040
#define ATA_SS_IPM_MASK 0x00000f00
#define ATA_SS_IPM_NO_DEVICE 0x00000000
#define ATA_SS_IPM_ACTIVE 0x00000100
#define ATA_SS_IPM_PARTIAL 0x00000200
#define ATA_SS_IPM_SLUMBER 0x00000600
#define ATA_SERROR 14
#define ATA_SE_DATA_CORRECTED 0x00000001
#define ATA_SE_COMM_CORRECTED 0x00000002
#define ATA_SE_DATA_ERR 0x00000100
#define ATA_SE_COMM_ERR 0x00000200
#define ATA_SE_PROT_ERR 0x00000400
#define ATA_SE_HOST_ERR 0x00000800
#define ATA_SE_PHY_CHANGED 0x00010000
#define ATA_SE_PHY_IERROR 0x00020000
#define ATA_SE_COMM_WAKE 0x00040000
#define ATA_SE_DECODE_ERR 0x00080000
#define ATA_SE_PARITY_ERR 0x00100000
#define ATA_SE_CRC_ERR 0x00200000
#define ATA_SE_HANDSHAKE_ERR 0x00400000
#define ATA_SE_LINKSEQ_ERR 0x00800000
#define ATA_SE_TRANSPORT_ERR 0x01000000
#define ATA_SE_UNKNOWN_FIS 0x02000000
#define ATA_SCONTROL 15
#define ATA_SC_DET_MASK 0x0000000f
#define ATA_SC_DET_IDLE 0x00000000
#define ATA_SC_DET_RESET 0x00000001
#define ATA_SC_DET_DISABLE 0x00000004
#define ATA_SC_SPD_MASK 0x000000f0
#define ATA_SC_SPD_NO_SPEED 0x00000000
#define ATA_SC_SPD_SPEED_GEN1 0x00000010
#define ATA_SC_SPD_SPEED_GEN2 0x00000020
#define ATA_SC_SPD_SPEED_GEN3 0x00000040
#define ATA_SC_IPM_MASK 0x00000f00
#define ATA_SC_IPM_NONE 0x00000000
#define ATA_SC_IPM_DIS_PARTIAL 0x00000100
#define ATA_SC_IPM_DIS_SLUMBER 0x00000200
#define ATA_SACTIVE 16
/*
* Global registers
*/
#define SIIS_GCTL 0x0040 /* Global Control */
#define SIIS_GCTL_GRESET 0x80000000 /* Global Reset */
#define SIIS_GCTL_MSIACK 0x40000000 /* MSI Ack */
#define SIIS_GCTL_I2C_IE 0x20000000 /* I2C int enable */
#define SIIS_GCTL_300CAP 0x01000000 /* 3Gb/s capable (R) */
#define SIIS_GCTL_PIE(n) (1 << (n)) /* Port int enable */
#define SIIS_IS 0x0044 /* Interrupt Status */
#define SIIS_IS_I2C 0x20000000 /* I2C Int Status */
#define SIIS_IS_PORT(n) (1 << (n)) /* Port interrupt stat */
#define SIIS_PHYCONF 0x0048 /* PHY Configuration */
#define SIIS_BIST_CTL 0x0050
#define SIIS_BIST_PATTERN 0x0054 /* 32 bit pattern */
#define SIIS_BIST_STATUS 0x0058
#define SIIS_I2C_CTL 0x0060
#define SIIS_I2C_STS 0x0064
#define SIIS_I2C_SADDR 0x0068
#define SIIS_I2C_DATA 0x006C
#define SIIS_FLASH_ADDR 0x0070
#define SIIS_GPIO 0x0074
/*
* Port registers
*/
#define SIIS_P_LRAM 0x0000
#define SIIS_P_LRAM_SLOT(i) (SIIS_P_LRAM + i * 128)
#define SIIS_P_PMPSTS(i) (0x0F80 + i * 8)
#define SIIS_P_PMPQACT(i) (0x0F80 + i * 8 + 4)
#define SIIS_P_STS 0x1000
#define SIIS_P_CTLSET 0x1000
#define SIIS_P_CTLCLR 0x1004
#define SIIS_P_CTL_READY 0x80000000
#define SIIS_P_CTL_OOBB 0x02000000
#define SIIS_P_CTL_ACT 0x001F0000
#define SIIS_P_CTL_ACT_SHIFT 16
#define SIIS_P_CTL_LED_ON 0x00008000
#define SIIS_P_CTL_AIA 0x00004000
#define SIIS_P_CTL_PME 0x00002000
#define SIIS_P_CTL_IA 0x00001000
#define SIIS_P_CTL_IR 0x00000800
#define SIIS_P_CTL_32BIT 0x00000400
#define SIIS_P_CTL_SCR_DIS 0x00000200
#define SIIS_P_CTL_CONT_DIS 0x00000100
#define SIIS_P_CTL_TBIST 0x00000080
#define SIIS_P_CTL_RESUME 0x00000040
#define SIIS_P_CTL_PLENGTH 0x00000020
#define SIIS_P_CTL_LED_DIS 0x00000010
#define SIIS_P_CTL_INT_NCOR 0x00000008
#define SIIS_P_CTL_PORT_INIT 0x00000004
#define SIIS_P_CTL_DEV_RESET 0x00000002
#define SIIS_P_CTL_PORT_RESET 0x00000001
#define SIIS_P_IS 0x1008
#define SIIS_P_IX_SDBN 0x00000800
#define SIIS_P_IX_HS_ET 0x00000400
#define SIIS_P_IX_CRC_ET 0x00000200
#define SIIS_P_IX_8_10_ET 0x00000100
#define SIIS_P_IX_DEX 0x00000080
#define SIIS_P_IX_UNRECFIS 0x00000040
#define SIIS_P_IX_COMWAKE 0x00000020
#define SIIS_P_IX_PHYRDYCHG 0x00000010
#define SIIS_P_IX_PMCHG 0x00000008
#define SIIS_P_IX_READY 0x00000004
#define SIIS_P_IX_COMMERR 0x00000002
#define SIIS_P_IX_COMMCOMP 0x00000001
#define SIIS_P_IX_ENABLED SIIS_P_IX_COMMCOMP | SIIS_P_IX_COMMERR | \
SIIS_P_IX_PHYRDYCHG | SIIS_P_IX_SDBN
#define SIIS_P_IESET 0x1010
#define SIIS_P_IECLR 0x1014
#define SIIS_P_CACTU 0x101C
#define SIIS_P_CMDEFIFO 0x1020
#define SIIS_P_CMDERR 0x1024
#define SIIS_P_CMDERR_DEV 1
#define SIIS_P_CMDERR_SDB 2
#define SIIS_P_CMDERR_DATAFIS 3
#define SIIS_P_CMDERR_SENDFIS 4
#define SIIS_P_CMDERR_INCSTATE 5
#define SIIS_P_CMDERR_DIRECTION 6
#define SIIS_P_CMDERR_UNDERRUN 7
#define SIIS_P_CMDERR_OVERRUN 8
#define SIIS_P_CMDERR_LLOVERRUN 9
#define SIIS_P_CMDERR_PPE 11
#define SIIS_P_CMDERR_SGTALIGN 16
#define SIIS_P_CMDERR_PCITASGT 17
#define SIIS_P_CMDERR_OCIMASGT 18
#define SIIS_P_CMDERR_PCIPESGT 19
#define SIIS_P_CMDERR_PRBALIGN 24
#define SIIS_P_CMDERR_PCITAPRB 25
#define SIIS_P_CMDERR_PCIMAPRB 26
#define SIIS_P_CMDERR_PCIPEPRB 27
#define SIIS_P_CMDERR_PCITADATA 33
#define SIIS_P_CMDERR_PCIMADATA 34
#define SIIS_P_CMDERR_PCIPEDATA 35
#define SIIS_P_CMDERR_SERVICE 36
#define SIIS_P_FISCFG 0x1028
#define SIIS_P_PCIEFIFOTH 0x102C
#define SIIS_P_8_10_DEC_ERR 0x1040
#define SIIS_P_CRC_ERR 0x1044
#define SIIS_P_HS_ERR 0x1048
#define SIIS_P_PHYCFG 0x1050
#define SIIS_P_SS 0x1800
#define SIIS_P_SS_ATTN 0x80000000
#define SIIS_P_CACTL(i) (0x1C00 + i * 8)
#define SIIS_P_CACTH(i) (0x1C00 + i * 8 + 4)
#define SIIS_P_CTX 0x1E04
#define SIIS_P_CTX_SLOT 0x0000001F
#define SIIS_P_CTX_SLOT_SHIFT 0
#define SIIS_P_CTX_PMP 0x000001E0
#define SIIS_P_CTX_PMP_SHIFT 5
#define SIIS_P_SCTL 0x1F00
#define SIIS_P_SSTS 0x1F04
#define SIIS_P_SERR 0x1F08
#define SIIS_P_SACT 0x1F0C
#define SIIS_P_SNTF 0x1F10
#define SIIS_MAX_PORTS 4
#define SIIS_MAX_SLOTS 31
#define SIIS_OFFSET 0x100
#define SIIS_STEP 0x80
/* Just to be sure, if building as module. */
#if MAXPHYS < 512 * 1024
#undef MAXPHYS
#define MAXPHYS 512 * 1024
#endif
/* Pessimistic prognosis on number of required S/G entries */
#define SIIS_SG_ENTRIES (roundup(btoc(MAXPHYS), 4) + 1)
/* Command tables. Up to 32 commands, Each, 128byte aligned. */
#define SIIS_CT_OFFSET 0
#define SIIS_CT_SIZE (32 + 16 + SIIS_SG_ENTRIES * 16)
/* Total main work area. */
#define SIIS_WORK_SIZE (SIIS_CT_OFFSET + SIIS_CT_SIZE * SIIS_MAX_SLOTS)
struct siis_dma_prd {
u_int64_t dba;
u_int32_t dbc;
u_int32_t control;
#define SIIS_PRD_TRM 0x80000000
#define SIIS_PRD_LNK 0x40000000
#define SIIS_PRD_DRD 0x20000000
#define SIIS_PRD_XCF 0x10000000
} __packed;
struct siis_cmd_ata {
struct siis_dma_prd prd[1 + SIIS_SG_ENTRIES];
} __packed;
struct siis_cmd_atapi {
u_int8_t ccb[16];
struct siis_dma_prd prd[SIIS_SG_ENTRIES];
} __packed;
struct siis_cmd {
u_int16_t control;
#define SIIS_PRB_PROTOCOL_OVERRIDE 0x0001
#define SIIS_PRB_RETRANSMIT 0x0002
#define SIIS_PRB_EXTERNAL_COMMAND 0x0004
#define SIIS_PRB_RECEIVE 0x0008
#define SIIS_PRB_PACKET_READ 0x0010
#define SIIS_PRB_PACKET_WRITE 0x0020
#define SIIS_PRB_INTERRUPT_MASK 0x0040
#define SIIS_PRB_SOFT_RESET 0x0080
u_int16_t protocol_override;
#define SIIS_PRB_PROTO_PACKET 0x0001
#define SIIS_PRB_PROTO_TCQ 0x0002
#define SIIS_PRB_PROTO_NCQ 0x0004
#define SIIS_PRB_PROTO_READ 0x0008
#define SIIS_PRB_PROTO_WRITE 0x0010
#define SIIS_PRB_PROTO_TRANSPARENT 0x0020
u_int32_t transfer_count;
u_int8_t fis[24];
union {
struct siis_cmd_ata ata;
struct siis_cmd_atapi atapi;
} u;
} __packed;
/* misc defines */
#define ATA_IRQ_RID 0
#define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY)
struct ata_dmaslot {
bus_dmamap_t data_map; /* data DMA map */
int nsegs; /* Number of segs loaded */
};
/* structure holding DMA related information */
struct ata_dma {
bus_dma_tag_t work_tag; /* workspace DMA tag */
bus_dmamap_t work_map; /* workspace DMA map */
uint8_t *work; /* workspace */
bus_addr_t work_bus; /* bus address of work */
bus_dma_tag_t data_tag; /* data DMA tag */
};
enum siis_slot_states {
SIIS_SLOT_EMPTY,
SIIS_SLOT_LOADING,
SIIS_SLOT_RUNNING,
SIIS_SLOT_WAITING
};
struct siis_slot {
device_t dev; /* Device handle */
u_int8_t slot; /* Number of this slot */
enum siis_slot_states state; /* Slot state */
union ccb *ccb; /* CCB occupying slot */
struct ata_dmaslot dma; /* DMA data of this slot */
struct callout timeout; /* Execution timeout */
};
struct siis_device {
int revision;
int mode;
u_int bytecount;
u_int atapi;
u_int tags;
u_int caps;
};
/* structure describing an ATA channel */
struct siis_channel {
device_t dev; /* Device handle */
int unit; /* Physical channel */
struct resource *r_mem; /* Memory of this channel */
struct resource *r_irq; /* Interrupt of this channel */
void *ih; /* Interrupt handle */
struct ata_dma dma; /* DMA data */
struct cam_sim *sim;
struct cam_path *path;
struct cdev *led; /* Activity led led(4) cdev. */
int quirks;
int pm_level; /* power management level */
struct siis_slot slot[SIIS_MAX_SLOTS];
union ccb *hold[SIIS_MAX_SLOTS];
struct mtx mtx; /* state lock */
int devices; /* What is present */
int pm_present; /* PM presence reported */
uint32_t oslots; /* Occupied slots */
uint32_t rslots; /* Running slots */
uint32_t aslots; /* Slots with atomic commands */
uint32_t eslots; /* Slots in error */
uint32_t toslots; /* Slots in timeout */
int numrslots; /* Number of running slots */
int numtslots[SIIS_MAX_SLOTS]; /* Number of tagged slots */
int numhslots; /* Number of holden slots */
int recoverycmd; /* Our READ LOG active */
int fatalerr; /* Fatal error happend */
int recovery; /* Some slots are in error */
union ccb *frozen; /* Frozen command */
struct siis_device user[16]; /* User-specified settings */
struct siis_device curr[16]; /* Current settings */
};
/* structure describing a SIIS controller */
struct siis_controller {
device_t dev;
int r_grid;
struct resource *r_gmem;
int r_rid;
struct resource *r_mem;
struct rman sc_iomem;
struct siis_controller_irq {
struct resource *r_irq;
void *handle;
int r_irq_rid;
} irq;
int quirks;
int channels;
uint32_t gctl;
struct {
void (*function)(void *);
void *argument;
} interrupt[SIIS_MAX_PORTS];
};
enum siis_err_type {
SIIS_ERR_NONE, /* No error */
SIIS_ERR_INVALID, /* Error detected by us before submitting. */
SIIS_ERR_INNOCENT, /* Innocent victim. */
SIIS_ERR_TFE, /* Task File Error. */
SIIS_ERR_SATA, /* SATA error. */
SIIS_ERR_TIMEOUT, /* Command execution timeout. */
SIIS_ERR_NCQ, /* NCQ command error. CCB should be put on hold
* until READ LOG executed to reveal error. */
};
/* macros to hide busspace uglyness */
#define ATA_INB(res, offset) \
bus_read_1((res), (offset))
#define ATA_INW(res, offset) \
bus_read_2((res), (offset))
#define ATA_INL(res, offset) \
bus_read_4((res), (offset))
#define ATA_INSW(res, offset, addr, count) \
bus_read_multi_2((res), (offset), (addr), (count))
#define ATA_INSW_STRM(res, offset, addr, count) \
bus_read_multi_stream_2((res), (offset), (addr), (count))
#define ATA_INSL(res, offset, addr, count) \
bus_read_multi_4((res), (offset), (addr), (count))
#define ATA_INSL_STRM(res, offset, addr, count) \
bus_read_multi_stream_4((res), (offset), (addr), (count))
#define ATA_OUTB(res, offset, value) \
bus_write_1((res), (offset), (value))
#define ATA_OUTW(res, offset, value) \
bus_write_2((res), (offset), (value))
#define ATA_OUTL(res, offset, value) \
bus_write_4((res), (offset), (value))
#define ATA_OUTSW(res, offset, addr, count) \
bus_write_multi_2((res), (offset), (addr), (count))
#define ATA_OUTSW_STRM(res, offset, addr, count) \
bus_write_multi_stream_2((res), (offset), (addr), (count))
#define ATA_OUTSL(res, offset, addr, count) \
bus_write_multi_4((res), (offset), (addr), (count))
#define ATA_OUTSL_STRM(res, offset, addr, count) \
bus_write_multi_stream_4((res), (offset), (addr), (count))
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