diff --git a/hw/arm/allwinner-a10.c b/hw/arm/allwinner-a10.c index 43dc0a12de..b0ca81cea3 100644 --- a/hw/arm/allwinner-a10.c +++ b/hw/arm/allwinner-a10.c @@ -39,6 +39,9 @@ static void aw_a10_init(Object *obj) qemu_check_nic_model(&nd_table[0], TYPE_AW_EMAC); qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]); } + + object_initialize(&s->sata, sizeof(s->sata), TYPE_ALLWINNER_AHCI); + qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default()); } static void aw_a10_realize(DeviceState *dev, Error **errp) @@ -93,6 +96,14 @@ static void aw_a10_realize(DeviceState *dev, Error **errp) sysbus_mmio_map(sysbusdev, 0, AW_A10_EMAC_BASE); sysbus_connect_irq(sysbusdev, 0, s->irq[55]); + object_property_set_bool(OBJECT(&s->sata), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, AW_A10_SATA_BASE); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, s->irq[56]); + /* FIXME use a qdev chardev prop instead of serial_hds[] */ serial_mm_init(get_system_memory(), AW_A10_UART0_REG_BASE, 2, s->irq[1], 115200, serial_hds[0], DEVICE_NATIVE_ENDIAN); diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 21f76ed86e..dd1912e80d 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -378,17 +378,23 @@ static uint64_t ahci_mem_read(void *opaque, hwaddr addr, unsigned size) int ofst = addr - aligned; uint64_t lo = ahci_mem_read_32(opaque, aligned); uint64_t hi; + uint64_t val; /* if < 8 byte read does not cross 4 byte boundary */ if (ofst + size <= 4) { - return lo >> (ofst * 8); - } - g_assert_cmpint(size, >, 1); + val = lo >> (ofst * 8); + } else { + g_assert_cmpint(size, >, 1); - /* If the 64bit read is unaligned, we will produce undefined - * results. AHCI does not support unaligned 64bit reads. */ - hi = ahci_mem_read_32(opaque, aligned + 4); - return (hi << 32 | lo) >> (ofst * 8); + /* If the 64bit read is unaligned, we will produce undefined + * results. AHCI does not support unaligned 64bit reads. */ + hi = ahci_mem_read_32(opaque, aligned + 4); + val = (hi << 32 | lo) >> (ofst * 8); + } + + DPRINTF(-1, "addr=0x%" HWADDR_PRIx " val=0x%" PRIx64 ", size=%d\n", + addr, val, size); + return val; } @@ -397,6 +403,9 @@ static void ahci_mem_write(void *opaque, hwaddr addr, { AHCIState *s = opaque; + DPRINTF(-1, "addr=0x%" HWADDR_PRIx " val=0x%" PRIx64 ", size=%d\n", + addr, val, size); + /* Only aligned reads are allowed on AHCI */ if (addr & 3) { fprintf(stderr, "ahci: Mis-aligned write to addr 0x" @@ -804,8 +813,21 @@ static int prdt_tbl_entry_size(const AHCI_SG *tbl) return (le32_to_cpu(tbl->flags_size) & AHCI_PRDT_SIZE_MASK) + 1; } +/** + * Fetch entries in a guest-provided PRDT and convert it into a QEMU SGlist. + * @ad: The AHCIDevice for whom we are building the SGList. + * @sglist: The SGList target to add PRD entries to. + * @cmd: The AHCI Command Header that describes where the PRDT is. + * @limit: The remaining size of the S/ATA transaction, in bytes. + * @offset: The number of bytes already transferred, in bytes. + * + * The AHCI PRDT can describe up to 256GiB. S/ATA only support transactions of + * up to 32MiB as of ATA8-ACS3 rev 1b, assuming a 512 byte sector size. We stop + * building the sglist from the PRDT as soon as we hit @limit bytes, + * which is <= INT32_MAX/2GiB. + */ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist, - AHCICmdHdr *cmd, int64_t limit, int32_t offset) + AHCICmdHdr *cmd, int64_t limit, uint64_t offset) { uint16_t opts = le16_to_cpu(cmd->opts); uint16_t prdtl = le16_to_cpu(cmd->prdtl); @@ -823,14 +845,6 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist, IDEBus *bus = &ad->port; BusState *qbus = BUS(bus); - /* - * Note: AHCI PRDT can describe up to 256GiB. SATA/ATA only support - * transactions of up to 32MiB as of ATA8-ACS3 rev 1b, assuming a - * 512 byte sector size. We limit the PRDT in this implementation to - * a reasonably large 2GiB, which can accommodate the maximum transfer - * request for sector sizes up to 32K. - */ - if (!prdtl) { DPRINTF(ad->port_no, "no sg list given by guest: 0x%08x\n", opts); return -1; @@ -880,13 +894,6 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist, qemu_sglist_add(sglist, le64_to_cpu(tbl[i].addr), MIN(prdt_tbl_entry_size(&tbl[i]), limit - sglist->size)); - if (sglist->size > INT32_MAX) { - error_report("AHCI Physical Region Descriptor Table describes " - "more than 2 GiB."); - qemu_sglist_destroy(sglist); - r = -1; - goto out; - } } } @@ -1427,7 +1434,17 @@ static const IDEDMAOps ahci_dma_ops = { .cmd_done = ahci_cmd_done, }; -void ahci_init(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports) +void ahci_init(AHCIState *s, DeviceState *qdev) +{ + s->container = qdev; + /* XXX BAR size should be 1k, but that breaks, so bump it to 4k for now */ + memory_region_init_io(&s->mem, OBJECT(qdev), &ahci_mem_ops, s, + "ahci", AHCI_MEM_BAR_SIZE); + memory_region_init_io(&s->idp, OBJECT(qdev), &ahci_idp_ops, s, + "ahci-idp", 32); +} + +void ahci_realize(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports) { qemu_irq *irqs; int i; @@ -1435,16 +1452,8 @@ void ahci_init(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports) s->as = as; s->ports = ports; s->dev = g_new0(AHCIDevice, ports); - s->container = qdev; ahci_reg_init(s); - /* XXX BAR size should be 1k, but that breaks, so bump it to 4k for now */ - memory_region_init_io(&s->mem, OBJECT(qdev), &ahci_mem_ops, s, - "ahci", AHCI_MEM_BAR_SIZE); - memory_region_init_io(&s->idp, OBJECT(qdev), &ahci_idp_ops, s, - "ahci-idp", 32); - irqs = qemu_allocate_irqs(ahci_irq_set, s, s->ports); - for (i = 0; i < s->ports; i++) { AHCIDevice *ad = &s->dev[i]; @@ -1639,17 +1648,24 @@ static void sysbus_ahci_reset(DeviceState *dev) ahci_reset(&s->ahci); } -static void sysbus_ahci_realize(DeviceState *dev, Error **errp) +static void sysbus_ahci_init(Object *obj) { - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - SysbusAHCIState *s = SYSBUS_AHCI(dev); + SysbusAHCIState *s = SYSBUS_AHCI(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); - ahci_init(&s->ahci, dev, &address_space_memory, s->num_ports); + ahci_init(&s->ahci, DEVICE(obj)); sysbus_init_mmio(sbd, &s->ahci.mem); sysbus_init_irq(sbd, &s->ahci.irq); } +static void sysbus_ahci_realize(DeviceState *dev, Error **errp) +{ + SysbusAHCIState *s = SYSBUS_AHCI(dev); + + ahci_realize(&s->ahci, dev, &address_space_memory, s->num_ports); +} + static Property sysbus_ahci_properties[] = { DEFINE_PROP_UINT32("num-ports", SysbusAHCIState, num_ports, 1), DEFINE_PROP_END_OF_LIST(), @@ -1670,12 +1686,108 @@ static const TypeInfo sysbus_ahci_info = { .name = TYPE_SYSBUS_AHCI, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(SysbusAHCIState), + .instance_init = sysbus_ahci_init, .class_init = sysbus_ahci_class_init, }; +#define ALLWINNER_AHCI_BISTAFR ((0xa0 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_BISTCR ((0xa4 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_BISTFCTR ((0xa8 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_BISTSR ((0xac - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_BISTDECR ((0xb0 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_DIAGNR0 ((0xb4 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_DIAGNR1 ((0xb8 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_OOBR ((0xbc - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_PHYCS0R ((0xc0 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_PHYCS1R ((0xc4 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_PHYCS2R ((0xc8 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_TIMER1MS ((0xe0 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_GPARAM1R ((0xe8 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_GPARAM2R ((0xec - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_PPARAMR ((0xf0 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_TESTR ((0xf4 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_VERSIONR ((0xf8 - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_IDR ((0xfc - ALLWINNER_AHCI_MMIO_OFF) / 4) +#define ALLWINNER_AHCI_RWCR ((0xfc - ALLWINNER_AHCI_MMIO_OFF) / 4) + +static uint64_t allwinner_ahci_mem_read(void *opaque, hwaddr addr, + unsigned size) +{ + AllwinnerAHCIState *a = opaque; + uint64_t val = a->regs[addr/4]; + + switch (addr / 4) { + case ALLWINNER_AHCI_PHYCS0R: + val |= 0x2 << 28; + break; + case ALLWINNER_AHCI_PHYCS2R: + val &= ~(0x1 << 24); + break; + } + DPRINTF(-1, "addr=0x%" HWADDR_PRIx " val=0x%" PRIx64 ", size=%d\n", + addr, val, size); + return val; +} + +static void allwinner_ahci_mem_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + AllwinnerAHCIState *a = opaque; + + DPRINTF(-1, "addr=0x%" HWADDR_PRIx " val=0x%" PRIx64 ", size=%d\n", + addr, val, size); + a->regs[addr/4] = val; +} + +static const MemoryRegionOps allwinner_ahci_mem_ops = { + .read = allwinner_ahci_mem_read, + .write = allwinner_ahci_mem_write, + .valid.min_access_size = 4, + .valid.max_access_size = 4, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void allwinner_ahci_init(Object *obj) +{ + SysbusAHCIState *s = SYSBUS_AHCI(obj); + AllwinnerAHCIState *a = ALLWINNER_AHCI(obj); + + memory_region_init_io(&a->mmio, OBJECT(obj), &allwinner_ahci_mem_ops, a, + "allwinner-ahci", ALLWINNER_AHCI_MMIO_SIZE); + memory_region_add_subregion(&s->ahci.mem, ALLWINNER_AHCI_MMIO_OFF, + &a->mmio); +} + +static const VMStateDescription vmstate_allwinner_ahci = { + .name = "allwinner-ahci", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(regs, AllwinnerAHCIState, + ALLWINNER_AHCI_MMIO_SIZE/4), + VMSTATE_END_OF_LIST() + } +}; + +static void allwinner_ahci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &vmstate_allwinner_ahci; +} + +static const TypeInfo allwinner_ahci_info = { + .name = TYPE_ALLWINNER_AHCI, + .parent = TYPE_SYSBUS_AHCI, + .instance_size = sizeof(AllwinnerAHCIState), + .instance_init = allwinner_ahci_init, + .class_init = allwinner_ahci_class_init, +}; + static void sysbus_ahci_register_types(void) { type_register_static(&sysbus_ahci_info); + type_register_static(&allwinner_ahci_info); } type_init(sysbus_ahci_register_types) diff --git a/hw/ide/ahci.h b/hw/ide/ahci.h index c9b3805415..bc777ed5c2 100644 --- a/hw/ide/ahci.h +++ b/hw/ide/ahci.h @@ -366,7 +366,8 @@ typedef struct SDBFIS { uint32_t payload; } QEMU_PACKED SDBFIS; -void ahci_init(AHCIState *s, DeviceState *qdev, AddressSpace *as, int ports); +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); @@ -385,4 +386,20 @@ typedef struct SysbusAHCIState { uint32_t num_ports; } SysbusAHCIState; +#define TYPE_ALLWINNER_AHCI "allwinner-ahci" +#define ALLWINNER_AHCI(obj) OBJECT_CHECK(AllwinnerAHCIState, (obj), \ + TYPE_ALLWINNER_AHCI) + +#define ALLWINNER_AHCI_MMIO_OFF 0x80 +#define ALLWINNER_AHCI_MMIO_SIZE 0x80 + +struct AllwinnerAHCIState { + /*< private >*/ + SysbusAHCIState parent_obj; + /*< public >*/ + + MemoryRegion mmio; + uint32_t regs[ALLWINNER_AHCI_MMIO_SIZE/4]; +}; + #endif /* HW_IDE_AHCI_H */ diff --git a/hw/ide/ich.c b/hw/ide/ich.c index 350c7f1c75..16925fa258 100644 --- a/hw/ide/ich.c +++ b/hw/ide/ich.c @@ -97,6 +97,13 @@ static void pci_ich9_reset(DeviceState *dev) ahci_reset(&d->ahci); } +static void pci_ich9_ahci_init(Object *obj) +{ + struct AHCIPCIState *d = ICH_AHCI(obj); + + ahci_init(&d->ahci, DEVICE(obj)); +} + static void pci_ich9_ahci_realize(PCIDevice *dev, Error **errp) { struct AHCIPCIState *d; @@ -104,7 +111,7 @@ static void pci_ich9_ahci_realize(PCIDevice *dev, Error **errp) uint8_t *sata_cap; d = ICH_AHCI(dev); - ahci_init(&d->ahci, DEVICE(dev), pci_get_address_space(dev), 6); + ahci_realize(&d->ahci, DEVICE(dev), pci_get_address_space(dev), 6); pci_config_set_prog_interface(dev->config, AHCI_PROGMODE_MAJOR_REV_1); @@ -171,6 +178,7 @@ static const TypeInfo ich_ahci_info = { .name = TYPE_ICH9_AHCI, .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(AHCIPCIState), + .instance_init = pci_ich9_ahci_init, .class_init = ich_ahci_class_init, }; diff --git a/hw/ide/internal.h b/hw/ide/internal.h index 05e93ffe3b..e4629b023a 100644 --- a/hw/ide/internal.h +++ b/hw/ide/internal.h @@ -397,7 +397,7 @@ struct IDEState { struct iovec iov; QEMUIOVector qiov; /* ATA DMA state */ - int32_t io_buffer_offset; + uint64_t io_buffer_offset; int32_t io_buffer_size; QEMUSGList sg; /* PIO transfer handling */ diff --git a/hw/ide/pci.c b/hw/ide/pci.c index d31ff885b7..9c54b378d6 100644 --- a/hw/ide/pci.c +++ b/hw/ide/pci.c @@ -103,13 +103,6 @@ static int32_t bmdma_prepare_buf(IDEDMA *dma, int32_t limit) qemu_sglist_add(&s->sg, bm->cur_prd_addr, sg_len); } - /* Note: We limit the max transfer to be 2GiB. - * This should accommodate the largest ATA transaction - * for LBA48 (65,536 sectors) and 32K sector sizes. */ - if (s->sg.size > INT32_MAX) { - error_report("IDE: sglist describes more than 2GiB."); - break; - } bm->cur_prd_addr += l; bm->cur_prd_len -= l; s->io_buffer_size += l; diff --git a/include/hw/arm/allwinner-a10.h b/include/hw/arm/allwinner-a10.h index 01a189bcdc..6b32a99e21 100644 --- a/include/hw/arm/allwinner-a10.h +++ b/include/hw/arm/allwinner-a10.h @@ -7,6 +7,8 @@ #include "hw/timer/allwinner-a10-pit.h" #include "hw/intc/allwinner-a10-pic.h" #include "hw/net/allwinner_emac.h" +#include "hw/ide/pci.h" +#include "hw/ide/ahci.h" #include "sysemu/sysemu.h" #include "exec/address-spaces.h" @@ -16,6 +18,7 @@ #define AW_A10_PIT_REG_BASE 0x01c20c00 #define AW_A10_UART0_REG_BASE 0x01c28000 #define AW_A10_EMAC_BASE 0x01c0b000 +#define AW_A10_SATA_BASE 0x01c18000 #define AW_A10_SDRAM_BASE 0x40000000 @@ -32,6 +35,7 @@ typedef struct AwA10State { AwA10PITState timer; AwA10PICState intc; AwEmacState emac; + AllwinnerAHCIState sata; } AwA10State; #define ALLWINNER_H_ diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h index d961362d36..2cdce1866e 100644 --- a/include/qemu/typedefs.h +++ b/include/qemu/typedefs.h @@ -9,6 +9,7 @@ struct Monitor; typedef struct AdapterInfo AdapterInfo; typedef struct AddressSpace AddressSpace; typedef struct AioContext AioContext; +typedef struct AllwinnerAHCIState AllwinnerAHCIState; typedef struct AudioState AudioState; typedef struct BlockBackend BlockBackend; typedef struct BlockBackendRootState BlockBackendRootState;