| /* |
| * QEMU AHCI Emulation |
| * |
| * Copyright (c) 2010 qiaochong@loongson.cn |
| * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com> |
| * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de> |
| * Copyright (c) 2010 Alexander Graf <agraf@suse.de> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #ifndef HW_IDE_AHCI_INTERNAL_H |
| #define HW_IDE_AHCI_INTERNAL_H |
| |
| #include "hw/ide/ahci.h" |
| #include "ide-internal.h" |
| |
| #define AHCI_MEM_BAR_SIZE 0x1000 |
| #define AHCI_MAX_PORTS 32 |
| #define AHCI_MAX_SG 168 /* hardware max is 64K */ |
| #define AHCI_DMA_BOUNDARY 0xffffffff |
| #define AHCI_USE_CLUSTERING 0 |
| #define AHCI_MAX_CMDS 32 |
| #define AHCI_CMD_SZ 32 |
| #define AHCI_CMD_SLOT_SZ (AHCI_MAX_CMDS * AHCI_CMD_SZ) |
| #define AHCI_RX_FIS_SZ 256 |
| #define AHCI_CMD_TBL_CDB 0x40 |
| #define AHCI_CMD_TBL_HDR_SZ 0x80 |
| #define AHCI_CMD_TBL_SZ (AHCI_CMD_TBL_HDR_SZ + (AHCI_MAX_SG * 16)) |
| #define AHCI_CMD_TBL_AR_SZ (AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS) |
| #define AHCI_PORT_PRIV_DMA_SZ (AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + \ |
| AHCI_RX_FIS_SZ) |
| |
| #define AHCI_IRQ_ON_SG (1U << 31) |
| #define AHCI_CMD_ATAPI (1 << 5) |
| #define AHCI_CMD_WRITE (1 << 6) |
| #define AHCI_CMD_PREFETCH (1 << 7) |
| #define AHCI_CMD_RESET (1 << 8) |
| #define AHCI_CMD_CLR_BUSY (1 << 10) |
| |
| #define RX_FIS_D2H_REG 0x40 /* offset of D2H Register FIS data */ |
| #define RX_FIS_SDB 0x58 /* offset of SDB FIS data */ |
| #define RX_FIS_UNK 0x60 /* offset of Unknown FIS data */ |
| |
| /* global controller registers */ |
| enum AHCIHostReg { |
| AHCI_HOST_REG_CAP = 0, /* CAP: host capabilities */ |
| AHCI_HOST_REG_CTL = 1, /* GHC: global host control */ |
| AHCI_HOST_REG_IRQ_STAT = 2, /* IS: interrupt status */ |
| AHCI_HOST_REG_PORTS_IMPL = 3, /* PI: bitmap of implemented ports */ |
| AHCI_HOST_REG_VERSION = 4, /* VS: AHCI spec. version compliance */ |
| AHCI_HOST_REG_CCC_CTL = 5, /* CCC_CTL: CCC Control */ |
| AHCI_HOST_REG_CCC_PORTS = 6, /* CCC_PORTS: CCC Ports */ |
| AHCI_HOST_REG_EM_LOC = 7, /* EM_LOC: Enclosure Mgmt Location */ |
| AHCI_HOST_REG_EM_CTL = 8, /* EM_CTL: Enclosure Mgmt Control */ |
| AHCI_HOST_REG_CAP2 = 9, /* CAP2: host capabilities, extended */ |
| AHCI_HOST_REG_BOHC = 10, /* BOHC: firmware/os handoff ctrl & status */ |
| AHCI_HOST_REG__COUNT = 11 |
| }; |
| |
| /* HOST_CTL bits */ |
| #define HOST_CTL_RESET (1 << 0) /* reset controller; self-clear */ |
| #define HOST_CTL_IRQ_EN (1 << 1) /* global IRQ enable */ |
| #define HOST_CTL_AHCI_EN (1U << 31) /* AHCI enabled */ |
| |
| /* HOST_CAP bits */ |
| #define HOST_CAP_SSC (1 << 14) /* Slumber capable */ |
| #define HOST_CAP_AHCI (1 << 18) /* AHCI only */ |
| #define HOST_CAP_CLO (1 << 24) /* Command List Override support */ |
| #define HOST_CAP_SSS (1 << 27) /* Staggered Spin-up */ |
| #define HOST_CAP_NCQ (1 << 30) /* Native Command Queueing */ |
| #define HOST_CAP_64 (1U << 31) /* PCI DAC (64-bit DMA) support */ |
| |
| /* registers for each SATA port */ |
| enum AHCIPortReg { |
| AHCI_PORT_REG_LST_ADDR = 0, /* PxCLB: command list DMA addr */ |
| AHCI_PORT_REG_LST_ADDR_HI = 1, /* PxCLBU: command list DMA addr hi */ |
| AHCI_PORT_REG_FIS_ADDR = 2, /* PxFB: FIS rx buf addr */ |
| AHCI_PORT_REG_FIS_ADDR_HI = 3, /* PxFBU: FIX rx buf addr hi */ |
| AHCI_PORT_REG_IRQ_STAT = 4, /* PxIS: interrupt status */ |
| AHCI_PORT_REG_IRQ_MASK = 5, /* PxIE: interrupt enable/disable mask */ |
| AHCI_PORT_REG_CMD = 6, /* PxCMD: port command */ |
| /* RESERVED */ |
| AHCI_PORT_REG_TFDATA = 8, /* PxTFD: taskfile data */ |
| AHCI_PORT_REG_SIG = 9, /* PxSIG: device TF signature */ |
| AHCI_PORT_REG_SCR_STAT = 10, /* PxSSTS: SATA phy register: SStatus */ |
| AHCI_PORT_REG_SCR_CTL = 11, /* PxSCTL: SATA phy register: SControl */ |
| AHCI_PORT_REG_SCR_ERR = 12, /* PxSERR: SATA phy register: SError */ |
| AHCI_PORT_REG_SCR_ACT = 13, /* PxSACT: SATA phy register: SActive */ |
| AHCI_PORT_REG_CMD_ISSUE = 14, /* PxCI: command issue */ |
| AHCI_PORT_REG_SCR_NOTIF = 15, /* PxSNTF: SATA phy register: SNotification */ |
| AHCI_PORT_REG_FIS_CTL = 16, /* PxFBS: Port multiplier switching ctl */ |
| AHCI_PORT_REG_DEV_SLEEP = 17, /* PxDEVSLP: device sleep control */ |
| /* RESERVED */ |
| AHCI_PORT_REG_VENDOR_1 = 28, /* PxVS: Vendor Specific */ |
| AHCI_PORT_REG_VENDOR_2 = 29, |
| AHCI_PORT_REG_VENDOR_3 = 30, |
| AHCI_PORT_REG_VENDOR_4 = 31, |
| AHCI_PORT_REG__COUNT = 32 |
| }; |
| |
| /* Port interrupt bit descriptors */ |
| enum AHCIPortIRQ { |
| AHCI_PORT_IRQ_BIT_DHRS = 0, |
| AHCI_PORT_IRQ_BIT_PSS = 1, |
| AHCI_PORT_IRQ_BIT_DSS = 2, |
| AHCI_PORT_IRQ_BIT_SDBS = 3, |
| AHCI_PORT_IRQ_BIT_UFS = 4, |
| AHCI_PORT_IRQ_BIT_DPS = 5, |
| AHCI_PORT_IRQ_BIT_PCS = 6, |
| AHCI_PORT_IRQ_BIT_DMPS = 7, |
| /* RESERVED */ |
| AHCI_PORT_IRQ_BIT_PRCS = 22, |
| AHCI_PORT_IRQ_BIT_IPMS = 23, |
| AHCI_PORT_IRQ_BIT_OFS = 24, |
| /* RESERVED */ |
| AHCI_PORT_IRQ_BIT_INFS = 26, |
| AHCI_PORT_IRQ_BIT_IFS = 27, |
| AHCI_PORT_IRQ_BIT_HBDS = 28, |
| AHCI_PORT_IRQ_BIT_HBFS = 29, |
| AHCI_PORT_IRQ_BIT_TFES = 30, |
| AHCI_PORT_IRQ_BIT_CPDS = 31, |
| AHCI_PORT_IRQ__COUNT = 32 |
| }; |
| |
| |
| /* PORT_IRQ_{STAT,MASK} bits */ |
| #define PORT_IRQ_COLD_PRES (1U << 31) /* cold presence detect */ |
| #define PORT_IRQ_TF_ERR (1 << 30) /* task file error */ |
| #define PORT_IRQ_HBUS_ERR (1 << 29) /* host bus fatal error */ |
| #define PORT_IRQ_HBUS_DATA_ERR (1 << 28) /* host bus data error */ |
| #define PORT_IRQ_IF_ERR (1 << 27) /* interface fatal error */ |
| #define PORT_IRQ_IF_NONFATAL (1 << 26) /* interface non-fatal error */ |
| /* reserved */ |
| #define PORT_IRQ_OVERFLOW (1 << 24) /* xfer exhausted available S/G */ |
| #define PORT_IRQ_BAD_PMP (1 << 23) /* incorrect port multiplier */ |
| #define PORT_IRQ_PHYRDY (1 << 22) /* PhyRdy changed */ |
| /* reserved */ |
| #define PORT_IRQ_DEV_ILCK (1 << 7) /* device interlock */ |
| #define PORT_IRQ_CONNECT (1 << 6) /* port connect change status */ |
| #define PORT_IRQ_SG_DONE (1 << 5) /* descriptor processed */ |
| #define PORT_IRQ_UNK_FIS (1 << 4) /* unknown FIS rx'd */ |
| #define PORT_IRQ_SDB_FIS (1 << 3) /* Set Device Bits FIS rx'd */ |
| #define PORT_IRQ_DMAS_FIS (1 << 2) /* DMA Setup FIS rx'd */ |
| #define PORT_IRQ_PIOS_FIS (1 << 1) /* PIO Setup FIS rx'd */ |
| #define PORT_IRQ_D2H_REG_FIS (1 << 0) /* D2H Register FIS rx'd */ |
| |
| #define PORT_IRQ_FREEZE (PORT_IRQ_HBUS_ERR | PORT_IRQ_IF_ERR | \ |
| PORT_IRQ_CONNECT | PORT_IRQ_PHYRDY | \ |
| PORT_IRQ_UNK_FIS) |
| #define PORT_IRQ_ERROR (PORT_IRQ_FREEZE | PORT_IRQ_TF_ERR | \ |
| PORT_IRQ_HBUS_DATA_ERR) |
| #define DEF_PORT_IRQ (PORT_IRQ_ERROR | PORT_IRQ_SG_DONE | \ |
| PORT_IRQ_SDB_FIS | PORT_IRQ_DMAS_FIS | \ |
| PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS) |
| |
| /* PORT_CMD bits */ |
| #define PORT_CMD_ATAPI (1 << 24) /* Device is ATAPI */ |
| #define PORT_CMD_LIST_ON (1 << 15) /* cmd list DMA engine running */ |
| #define PORT_CMD_FIS_ON (1 << 14) /* FIS DMA engine running */ |
| #define PORT_CMD_FIS_RX (1 << 4) /* Enable FIS receive DMA engine */ |
| #define PORT_CMD_CLO (1 << 3) /* Command list override */ |
| #define PORT_CMD_POWER_ON (1 << 2) /* Power up device */ |
| #define PORT_CMD_SPIN_UP (1 << 1) /* Spin up device */ |
| #define PORT_CMD_START (1 << 0) /* Enable port DMA engine */ |
| |
| #define PORT_CMD_ICC_MASK (0xfU << 28) /* i/f ICC state mask */ |
| #define PORT_CMD_ICC_ACTIVE (0x1 << 28) /* Put i/f in active state */ |
| #define PORT_CMD_ICC_PARTIAL (0x2 << 28) /* Put i/f in partial state */ |
| #define PORT_CMD_ICC_SLUMBER (0x6 << 28) /* Put i/f in slumber state */ |
| |
| #define PORT_CMD_RO_MASK 0x007dffe0 /* Which CMD bits are read only? */ |
| |
| /* ap->flags bits */ |
| #define AHCI_FLAG_NO_NCQ (1 << 24) |
| #define AHCI_FLAG_IGN_IRQ_IF_ERR (1 << 25) /* ignore IRQ_IF_ERR */ |
| #define AHCI_FLAG_HONOR_PI (1 << 26) /* honor PORTS_IMPL */ |
| #define AHCI_FLAG_IGN_SERR_INTERNAL (1 << 27) /* ignore SERR_INTERNAL */ |
| #define AHCI_FLAG_32BIT_ONLY (1 << 28) /* force 32bit */ |
| |
| #define ATA_SRST (1 << 2) /* software reset */ |
| |
| #define STATE_RUN 0 |
| #define STATE_RESET 1 |
| |
| #define SATA_SCR_SSTATUS_DET_NODEV 0x0 |
| #define SATA_SCR_SSTATUS_DET_DEV_PRESENT_PHY_UP 0x3 |
| |
| #define SATA_SCR_SSTATUS_SPD_NODEV 0x00 |
| #define SATA_SCR_SSTATUS_SPD_GEN1 0x10 |
| |
| #define SATA_SCR_SSTATUS_IPM_NODEV 0x000 |
| #define SATA_SCR_SSTATUS_IPM_ACTIVE 0X100 |
| |
| #define AHCI_SCR_SCTL_DET 0xf |
| |
| #define SATA_FIS_TYPE_REGISTER_H2D 0x27 |
| #define SATA_FIS_REG_H2D_UPDATE_COMMAND_REGISTER 0x80 |
| #define SATA_FIS_TYPE_REGISTER_D2H 0x34 |
| #define SATA_FIS_TYPE_PIO_SETUP 0x5f |
| #define SATA_FIS_TYPE_SDB 0xA1 |
| |
| #define AHCI_CMD_HDR_CMD_FIS_LEN 0x1f |
| #define AHCI_CMD_HDR_PRDT_LEN 16 |
| |
| #define SATA_SIGNATURE_CDROM 0xeb140101 |
| #define SATA_SIGNATURE_DISK 0x00000101 |
| |
| #define AHCI_GENERIC_HOST_CONTROL_REGS_MAX_ADDR 0x2c |
| |
| #define AHCI_PORT_REGS_START_ADDR 0x100 |
| #define AHCI_PORT_ADDR_OFFSET_MASK 0x7f |
| #define AHCI_PORT_ADDR_OFFSET_LEN 0x80 |
| |
| #define AHCI_NUM_COMMAND_SLOTS 31 |
| #define AHCI_SUPPORTED_SPEED 20 |
| #define AHCI_SUPPORTED_SPEED_GEN1 1 |
| #define AHCI_VERSION_1_0 0x10000 |
| |
| #define AHCI_PROGMODE_MAJOR_REV_1 1 |
| |
| #define AHCI_COMMAND_TABLE_ACMD 0x40 |
| |
| #define AHCI_PRDT_SIZE_MASK 0x3fffff |
| |
| #define IDE_FEATURE_DMA 1 |
| |
| #define READ_FPDMA_QUEUED 0x60 |
| #define WRITE_FPDMA_QUEUED 0x61 |
| #define NCQ_NON_DATA 0x63 |
| #define RECEIVE_FPDMA_QUEUED 0x65 |
| #define SEND_FPDMA_QUEUED 0x64 |
| |
| #define NCQ_FIS_FUA_MASK 0x80 |
| #define NCQ_FIS_RARC_MASK 0x01 |
| |
| #define RES_FIS_DSFIS 0x00 |
| #define RES_FIS_PSFIS 0x20 |
| #define RES_FIS_RFIS 0x40 |
| #define RES_FIS_SDBFIS 0x58 |
| #define RES_FIS_UFIS 0x60 |
| |
| #define SATA_CAP_SIZE 0x8 |
| #define SATA_CAP_REV 0x2 |
| #define SATA_CAP_BAR 0x4 |
| |
| typedef struct AHCIPortRegs { |
| uint32_t lst_addr; |
| uint32_t lst_addr_hi; |
| uint32_t fis_addr; |
| uint32_t fis_addr_hi; |
| uint32_t irq_stat; |
| uint32_t irq_mask; |
| uint32_t cmd; |
| uint32_t unused0; |
| uint32_t tfdata; |
| uint32_t sig; |
| uint32_t scr_stat; |
| uint32_t scr_ctl; |
| uint32_t scr_err; |
| uint32_t scr_act; |
| uint32_t cmd_issue; |
| uint32_t reserved; |
| } AHCIPortRegs; |
| |
| typedef struct AHCICmdHdr { |
| uint16_t opts; |
| uint16_t prdtl; |
| uint32_t status; |
| uint64_t tbl_addr; |
| uint32_t reserved[4]; |
| } QEMU_PACKED AHCICmdHdr; |
| |
| typedef struct AHCI_SG { |
| uint64_t addr; |
| uint32_t reserved; |
| uint32_t flags_size; |
| } QEMU_PACKED AHCI_SG; |
| |
| typedef struct NCQTransferState { |
| AHCIDevice *drive; |
| BlockAIOCB *aiocb; |
| AHCICmdHdr *cmdh; |
| QEMUSGList sglist; |
| BlockAcctCookie acct; |
| uint32_t sector_count; |
| uint64_t lba; |
| uint8_t tag; |
| uint8_t cmd; |
| uint8_t slot; |
| bool used; |
| bool halt; |
| } NCQTransferState; |
| |
| struct AHCIDevice { |
| IDEDMA dma; |
| IDEBus port; |
| int port_no; |
| uint32_t port_state; |
| uint32_t finished; |
| AHCIPortRegs port_regs; |
| struct AHCIState *hba; |
| QEMUBH *check_bh; |
| uint8_t *lst; |
| uint8_t *res_fis; |
| bool done_first_drq; |
| int32_t busy_slot; |
| bool init_d2h_sent; |
| AHCICmdHdr *cur_cmd; |
| NCQTransferState ncq_tfs[AHCI_MAX_CMDS]; |
| MemReentrancyGuard mem_reentrancy_guard; |
| }; |
| |
| extern const VMStateDescription vmstate_ahci; |
| |
| #define VMSTATE_AHCI(_field, _state) { \ |
| .name = (stringify(_field)), \ |
| .size = sizeof(AHCIState), \ |
| .vmsd = &vmstate_ahci, \ |
| .flags = VMS_STRUCT, \ |
| .offset = vmstate_offset_value(_state, _field, AHCIState), \ |
| } |
| |
| /** |
| * NCQFrame is the same as a Register H2D FIS (described in SATA 3.2), |
| * but some fields have been re-mapped and re-purposed, as seen in |
| * SATA 3.2 section 13.6.4.1 ("READ FPDMA QUEUED") |
| * |
| * cmd_fis[3], feature 7:0, becomes sector count 7:0. |
| * cmd_fis[7], device 7:0, uses bit 7 as the Force Unit Access bit. |
| * cmd_fis[11], feature 15:8, becomes sector count 15:8. |
| * cmd_fis[12], count 7:0, becomes the NCQ TAG (7:3) and RARC bit (0) |
| * cmd_fis[13], count 15:8, becomes the priority value (7:6) |
| * bytes 16-19 become an le32 "auxiliary" field. |
| */ |
| typedef struct NCQFrame { |
| uint8_t fis_type; |
| uint8_t c; |
| uint8_t command; |
| uint8_t sector_count_low; /* (feature 7:0) */ |
| uint8_t lba0; |
| uint8_t lba1; |
| uint8_t lba2; |
| uint8_t fua; /* (device 7:0) */ |
| uint8_t lba3; |
| uint8_t lba4; |
| uint8_t lba5; |
| uint8_t sector_count_high; /* (feature 15:8) */ |
| uint8_t tag; /* (count 0:7) */ |
| uint8_t prio; /* (count 15:8) */ |
| uint8_t icc; |
| uint8_t control; |
| uint8_t aux0; |
| uint8_t aux1; |
| uint8_t aux2; |
| uint8_t aux3; |
| } QEMU_PACKED NCQFrame; |
| |
| typedef struct SDBFIS { |
| uint8_t type; |
| uint8_t flags; |
| uint8_t status; |
| uint8_t error; |
| uint32_t payload; |
| } QEMU_PACKED SDBFIS; |
| |
| void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as); |
| void ahci_init(AHCIState *s, DeviceState *qdev); |
| void ahci_uninit(AHCIState *s); |
| |
| void ahci_reset(AHCIState *s); |
| |
| #endif /* HW_IDE_AHCI_INTERNAL_H */ |
