Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

# gpg: Signature made Tue 18 Jul 2017 17:11:07 BST
# gpg:                using RSA key 0x7DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/ide-pull-request:
  tests/ahci-test: Be mean with RAM
  ahci: split public and private interface
  ahci: Isolate public AHCI interface
  ahci: add ahci_get_num_ports

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 3 insertions, 317 deletions

diff --git a/include/hw/ide/ahci.h b/include/hw/ide/ahci.h
index 0ca7c65820..5a06537e6b 100644
--- a/include/hw/ide/ahci.h
+++ b/include/hw/ide/ahci.h
@@ -26,189 +26,7 @@
 
 #include "hw/sysbus.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 */
-#define HOST_CAP                  0x00 /* host capabilities */
-#define HOST_CTL                  0x04 /* global host control */
-#define HOST_IRQ_STAT             0x08 /* interrupt status */
-#define HOST_PORTS_IMPL           0x0c /* bitmap of implemented ports */
-#define HOST_VERSION              0x10 /* AHCI spec. version compliancy */
-
-/* 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 */
-#define PORT_LST_ADDR             0x00 /* command list DMA addr */
-#define PORT_LST_ADDR_HI          0x04 /* command list DMA addr hi */
-#define PORT_FIS_ADDR             0x08 /* FIS rx buf addr */
-#define PORT_FIS_ADDR_HI          0x0c /* FIS rx buf addr hi */
-#define PORT_IRQ_STAT             0x10 /* interrupt status */
-#define PORT_IRQ_MASK             0x14 /* interrupt enable/disable mask */
-#define PORT_CMD                  0x18 /* port command */
-#define PORT_TFDATA               0x20 /* taskfile data */
-#define PORT_SIG                  0x24 /* device TF signature */
-#define PORT_SCR_STAT             0x28 /* SATA phy register: SStatus */
-#define PORT_SCR_CTL              0x2c /* SATA phy register: SControl */
-#define PORT_SCR_ERR              0x30 /* SATA phy register: SError */
-#define PORT_SCR_ACT              0x34 /* SATA phy register: SActive */
-#define PORT_CMD_ISSUE            0x38 /* command issue */
-#define PORT_RESERVED             0x3c /* reserved */
-
-/* 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 */
-#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 */
-#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 0x20
-                                            /* Shouldn't this be 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 AHCIDevice AHCIDevice;
 
 typedef struct AHCIControlRegs {
     uint32_t    cap;
@@ -218,74 +36,6 @@ typedef struct AHCIControlRegs {
     uint32_t    version;
 } AHCIControlRegs;
 
-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 AHCIDevice AHCIDevice;
-
-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_atapi_packet;
-    int32_t busy_slot;
-    bool init_d2h_sent;
-    AHCICmdHdr *cur_cmd;
-    NCQTransferState ncq_tfs[AHCI_MAX_CMDS];
-};
-
 typedef struct AHCIState {
     DeviceState *container;
 
@@ -300,78 +50,14 @@ typedef struct AHCIState {
     AddressSpace *as;
 } AHCIState;
 
-typedef struct AHCIPCIState {
-    /*< private >*/
-    PCIDevice parent_obj;
-    /*< public >*/
-
-    AHCIState ahci;
-} AHCIPCIState;
+typedef struct AHCIPCIState AHCIPCIState;
 
 #define TYPE_ICH9_AHCI "ich9-ahci"
 
 #define ICH_AHCI(obj) \
     OBJECT_CHECK(AHCIPCIState, (obj), TYPE_ICH9_AHCI)
 
-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, int ports);
-void ahci_init(AHCIState *s, DeviceState *qdev);
-void ahci_uninit(AHCIState *s);
-
-void ahci_reset(AHCIState *s);
-
+int32_t ahci_get_num_ports(PCIDevice *dev);
 void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
 
 #define TYPE_SYSBUS_AHCI "sysbus-ahci"