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author | 2017-05-23 17:55:06 +0000 | |
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committer | 2017-05-23 17:55:06 +0000 | |
commit | 0f6296e038b5c299654d596026e7bee5aa723e56 (patch) | |
tree | a51b545d58c8128abfd6caa9ca43d32343011f62 /qemu/hw/ide/piix.c | |
parent | c4d68bc45aa6aa8b7fe39bce206cb17c2cb2d365 (diff) | |
parent | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (diff) |
Merge "Adding qemu as a submodule of KVMFORNFV"
Diffstat (limited to 'qemu/hw/ide/piix.c')
-rw-r--r-- | qemu/hw/ide/piix.c | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/qemu/hw/ide/piix.c b/qemu/hw/ide/piix.c deleted file mode 100644 index 6d76ce980..000000000 --- a/qemu/hw/ide/piix.c +++ /dev/null @@ -1,295 +0,0 @@ -/* - * QEMU IDE Emulation: PCI PIIX3/4 support. - * - * Copyright (c) 2003 Fabrice Bellard - * Copyright (c) 2006 Openedhand Ltd. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include <hw/hw.h> -#include <hw/i386/pc.h> -#include <hw/pci/pci.h> -#include <hw/isa/isa.h> -#include "sysemu/block-backend.h" -#include "sysemu/sysemu.h" -#include "sysemu/dma.h" - -#include <hw/ide/pci.h> - -static uint64_t bmdma_read(void *opaque, hwaddr addr, unsigned size) -{ - BMDMAState *bm = opaque; - uint32_t val; - - if (size != 1) { - return ((uint64_t)1 << (size * 8)) - 1; - } - - switch(addr & 3) { - case 0: - val = bm->cmd; - break; - case 2: - val = bm->status; - break; - default: - val = 0xff; - break; - } -#ifdef DEBUG_IDE - printf("bmdma: readb 0x%02x : 0x%02x\n", (uint8_t)addr, val); -#endif - return val; -} - -static void bmdma_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - BMDMAState *bm = opaque; - - if (size != 1) { - return; - } - -#ifdef DEBUG_IDE - printf("bmdma: writeb 0x%02x : 0x%02x\n", (uint8_t)addr, (uint8_t)val); -#endif - switch(addr & 3) { - case 0: - bmdma_cmd_writeb(bm, val); - break; - case 2: - bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); - break; - } -} - -static const MemoryRegionOps piix_bmdma_ops = { - .read = bmdma_read, - .write = bmdma_write, -}; - -static void bmdma_setup_bar(PCIIDEState *d) -{ - int i; - - memory_region_init(&d->bmdma_bar, OBJECT(d), "piix-bmdma-container", 16); - for(i = 0;i < 2; i++) { - BMDMAState *bm = &d->bmdma[i]; - - memory_region_init_io(&bm->extra_io, OBJECT(d), &piix_bmdma_ops, bm, - "piix-bmdma", 4); - memory_region_add_subregion(&d->bmdma_bar, i * 8, &bm->extra_io); - memory_region_init_io(&bm->addr_ioport, OBJECT(d), - &bmdma_addr_ioport_ops, bm, "bmdma", 4); - memory_region_add_subregion(&d->bmdma_bar, i * 8 + 4, &bm->addr_ioport); - } -} - -static void piix3_reset(void *opaque) -{ - PCIIDEState *d = opaque; - PCIDevice *pd = PCI_DEVICE(d); - uint8_t *pci_conf = pd->config; - int i; - - for (i = 0; i < 2; i++) { - ide_bus_reset(&d->bus[i]); - } - - /* TODO: this is the default. do not override. */ - pci_conf[PCI_COMMAND] = 0x00; - /* TODO: this is the default. do not override. */ - pci_conf[PCI_COMMAND + 1] = 0x00; - /* TODO: use pci_set_word */ - pci_conf[PCI_STATUS] = PCI_STATUS_FAST_BACK; - pci_conf[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8; - pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ -} - -static void pci_piix_init_ports(PCIIDEState *d) { - static const struct { - int iobase; - int iobase2; - int isairq; - } port_info[] = { - {0x1f0, 0x3f6, 14}, - {0x170, 0x376, 15}, - }; - int i; - - for (i = 0; i < 2; i++) { - ide_bus_new(&d->bus[i], sizeof(d->bus[i]), DEVICE(d), i, 2); - ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase, - port_info[i].iobase2); - ide_init2(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq)); - - bmdma_init(&d->bus[i], &d->bmdma[i], d); - d->bmdma[i].bus = &d->bus[i]; - ide_register_restart_cb(&d->bus[i]); - } -} - -static void pci_piix_ide_realize(PCIDevice *dev, Error **errp) -{ - PCIIDEState *d = PCI_IDE(dev); - uint8_t *pci_conf = dev->config; - - pci_conf[PCI_CLASS_PROG] = 0x80; // legacy ATA mode - - qemu_register_reset(piix3_reset, d); - - bmdma_setup_bar(d); - pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar); - - vmstate_register(DEVICE(dev), 0, &vmstate_ide_pci, d); - - pci_piix_init_ports(d); -} - -int pci_piix3_xen_ide_unplug(DeviceState *dev) -{ - PCIIDEState *pci_ide; - DriveInfo *di; - int i; - IDEDevice *idedev; - - pci_ide = PCI_IDE(dev); - - for (i = 0; i < 4; i++) { - di = drive_get_by_index(IF_IDE, i); - if (di != NULL && !di->media_cd) { - BlockBackend *blk = blk_by_legacy_dinfo(di); - DeviceState *ds = blk_get_attached_dev(blk); - if (ds) { - blk_detach_dev(blk, ds); - } - pci_ide->bus[di->bus].ifs[di->unit].blk = NULL; - if (!(i % 2)) { - idedev = pci_ide->bus[di->bus].master; - } else { - idedev = pci_ide->bus[di->bus].slave; - } - idedev->conf.blk = NULL; - monitor_remove_blk(blk); - blk_unref(blk); - } - } - qdev_reset_all(DEVICE(dev)); - return 0; -} - -PCIDevice *pci_piix3_xen_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn) -{ - PCIDevice *dev; - - dev = pci_create_simple(bus, devfn, "piix3-ide-xen"); - pci_ide_create_devs(dev, hd_table); - return dev; -} - -static void pci_piix_ide_exitfn(PCIDevice *dev) -{ - PCIIDEState *d = PCI_IDE(dev); - unsigned i; - - for (i = 0; i < 2; ++i) { - memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].extra_io); - memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].addr_ioport); - } -} - -/* hd_table must contain 4 block drivers */ -/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */ -PCIDevice *pci_piix3_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn) -{ - PCIDevice *dev; - - dev = pci_create_simple(bus, devfn, "piix3-ide"); - pci_ide_create_devs(dev, hd_table); - return dev; -} - -/* hd_table must contain 4 block drivers */ -/* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */ -PCIDevice *pci_piix4_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn) -{ - PCIDevice *dev; - - dev = pci_create_simple(bus, devfn, "piix4-ide"); - pci_ide_create_devs(dev, hd_table); - return dev; -} - -static void piix3_ide_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->realize = pci_piix_ide_realize; - k->exit = pci_piix_ide_exitfn; - k->vendor_id = PCI_VENDOR_ID_INTEL; - k->device_id = PCI_DEVICE_ID_INTEL_82371SB_1; - k->class_id = PCI_CLASS_STORAGE_IDE; - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); - dc->hotpluggable = false; -} - -static const TypeInfo piix3_ide_info = { - .name = "piix3-ide", - .parent = TYPE_PCI_IDE, - .class_init = piix3_ide_class_init, -}; - -static const TypeInfo piix3_ide_xen_info = { - .name = "piix3-ide-xen", - .parent = TYPE_PCI_IDE, - .class_init = piix3_ide_class_init, -}; - -static void piix4_ide_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - - k->realize = pci_piix_ide_realize; - k->exit = pci_piix_ide_exitfn; - k->vendor_id = PCI_VENDOR_ID_INTEL; - k->device_id = PCI_DEVICE_ID_INTEL_82371AB; - k->class_id = PCI_CLASS_STORAGE_IDE; - set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); - dc->hotpluggable = false; -} - -static const TypeInfo piix4_ide_info = { - .name = "piix4-ide", - .parent = TYPE_PCI_IDE, - .class_init = piix4_ide_class_init, -}; - -static void piix_ide_register_types(void) -{ - type_register_static(&piix3_ide_info); - type_register_static(&piix3_ide_xen_info); - type_register_static(&piix4_ide_info); -} - -type_init(piix_ide_register_types) |