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[Qemu-devel] [RFC] ATAPI-SCSI bridge GSoC project
|
From: |
Alexander Bezzubikov |
|
Subject: |
[Qemu-devel] [RFC] ATAPI-SCSI bridge GSoC project |
|
Date: |
Sat, 18 Jul 2015 21:49:26 +0300 |
atapi: ATAPI-SCSI bridge device created
private SCSI bus added to bridge
ATAPI inquiry command can use a bridge
---
hw/ide/atapi.c | 36 +++++--
hw/ide/core.c | 207 +++++++++++++++++++--------------------
hw/ide/internal.h | 257 +++++++++++++++++++++++++------------------------
hw/ide/qdev.c | 43 ++++++++-
hw/scsi/scsi-disk.c | 4 +-
include/hw/scsi/scsi.h | 6 +-
6 files changed, 310 insertions(+), 243 deletions(-)
diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c
index 950e311..e931e0e 100644
--- a/hw/ide/atapi.c
+++ b/hw/ide/atapi.c
@@ -635,6 +635,20 @@ static void cmd_request_sense(IDEState *s, uint8_t *buf)
ide_atapi_cmd_reply(s, 18, max_len);
}
+static void inquiry_wrapper(IDEState *s, uint8_t *buf)
+{
+ IDEDevice *dev = s->bus->master;
+ SCSIDevice *scsi_dev = scsi_device_find(&dev->scsi_bus, 0, 0, 0);
+ SCSIRequest *req = scsi_req_new(scsi_dev, 0, 0, buf, NULL);
+
+ int max_len = scsi_disk_emulate_inquiry(req, buf);
+ int idx = 36;
+
+ ide_atapi_cmd_reply(s, idx, max_len);
+
+ return;
+}
+
static void cmd_inquiry(IDEState *s, uint8_t *buf)
{
uint8_t page_code = buf[2];
@@ -1170,7 +1184,7 @@ enum {
CHECK_READY = 0x02,
};
-static const struct {
+static const struct atapi_command {
void (*handler)(IDEState *s, uint8_t *buf);
int flags;
} atapi_cmd_table[0x100] = {
@@ -1193,11 +1207,17 @@ static const struct {
[ 0xbd ] = { cmd_mechanism_status, 0 },
[ 0xbe ] = { cmd_read_cd, CHECK_READY },
/* [1] handler detects and reports not ready condition itself */
-};
+},
+ bridge_cmd_table[0x100] = {
+ [ 0x12 ] = { inquiry_wrapper, ALLOW_UA }
+ };
void ide_atapi_cmd(IDEState *s)
{
uint8_t *buf;
+
+ const struct atapi_command *cmd_table = (s->drive_kind == IDE_BRIDGE &&
+ bridge_cmd_table[s->io_buffer[0]].handler) ? bridge_cmd_table :
atapi_cmd_table;
buf = s->io_buffer;
#ifdef DEBUG_IDE_ATAPI
@@ -1217,7 +1237,7 @@ void ide_atapi_cmd(IDEState *s)
* here, is pending.
*/
if (s->sense_key == UNIT_ATTENTION &&
- !(atapi_cmd_table[s->io_buffer[0]].flags & ALLOW_UA)) {
+ !(cmd_table[s->io_buffer[0]].flags & ALLOW_UA)) {
ide_atapi_cmd_check_status(s);
return;
}
@@ -1228,7 +1248,7 @@ void ide_atapi_cmd(IDEState *s)
* GET_EVENT_STATUS_NOTIFICATION to detect such tray open/close
* states rely on this behavior.
*/
- if (!(atapi_cmd_table[s->io_buffer[0]].flags & ALLOW_UA) &&
+ if (!(cmd_table[s->io_buffer[0]].flags & ALLOW_UA) &&
!s->tray_open && blk_is_inserted(s->blk) && s->cdrom_changed) {
if (s->cdrom_changed == 1) {
@@ -1243,7 +1263,7 @@ void ide_atapi_cmd(IDEState *s)
}
/* Report a Not Ready condition if appropriate for the command */
- if ((atapi_cmd_table[s->io_buffer[0]].flags & CHECK_READY) &&
+ if ((cmd_table[s->io_buffer[0]].flags & CHECK_READY) &&
(!media_present(s) || !blk_is_inserted(s->blk)))
{
ide_atapi_cmd_error(s, NOT_READY, ASC_MEDIUM_NOT_PRESENT);
@@ -1251,10 +1271,10 @@ void ide_atapi_cmd(IDEState *s)
}
/* Execute the command */
- if (atapi_cmd_table[s->io_buffer[0]].handler) {
- atapi_cmd_table[s->io_buffer[0]].handler(s, buf);
+ if (cmd_table[s->io_buffer[0]].handler) {
+ cmd_table[s->io_buffer[0]].handler(s, buf);
return;
}
ide_atapi_cmd_error(s, ILLEGAL_REQUEST, ASC_ILLEGAL_OPCODE);
-}
+}
\ No newline at end of file
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 122e955..1097553 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -288,52 +288,52 @@ static void ide_cfata_identify(IDEState *s)
cur_sec = s->cylinders * s->heads * s->sectors;
- put_le16(p + 0, 0x848a); /* CF Storage Card signature */
- put_le16(p + 1, s->cylinders); /* Default cylinders */
- put_le16(p + 3, s->heads); /* Default heads */
- put_le16(p + 6, s->sectors); /* Default sectors per track */
+ put_le16(p + 0, 0x848a); /* CF Storage Card signature */
+ put_le16(p + 1, s->cylinders); /* Default cylinders */
+ put_le16(p + 3, s->heads); /* Default heads */
+ put_le16(p + 6, s->sectors); /* Default sectors per track */
/* *(p + 7) := nb_sectors >> 16 -- see ide_cfata_identify_size */
/* *(p + 8) := nb_sectors -- see ide_cfata_identify_size */
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */
- put_le16(p + 22, 0x0004); /* ECC bytes */
- padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */
+ put_le16(p + 22, 0x0004); /* ECC bytes */
+ padstr((char *) (p + 23), s->version, 8); /* Firmware Revision */
padstr((char *) (p + 27), s->drive_model_str, 40);/* Model number */
#if MAX_MULT_SECTORS > 1
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
#else
put_le16(p + 47, 0x0000);
#endif
- put_le16(p + 49, 0x0f00); /* Capabilities */
- put_le16(p + 51, 0x0002); /* PIO cycle timing mode */
- put_le16(p + 52, 0x0001); /* DMA cycle timing mode */
- put_le16(p + 53, 0x0003); /* Translation params valid */
- put_le16(p + 54, s->cylinders); /* Current cylinders */
- put_le16(p + 55, s->heads); /* Current heads */
- put_le16(p + 56, s->sectors); /* Current sectors */
- put_le16(p + 57, cur_sec); /* Current capacity */
- put_le16(p + 58, cur_sec >> 16); /* Current capacity */
- if (s->mult_sectors) /* Multiple sector setting */
+ put_le16(p + 49, 0x0f00); /* Capabilities */
+ put_le16(p + 51, 0x0002); /* PIO cycle timing mode */
+ put_le16(p + 52, 0x0001); /* DMA cycle timing mode */
+ put_le16(p + 53, 0x0003); /* Translation params valid */
+ put_le16(p + 54, s->cylinders); /* Current cylinders */
+ put_le16(p + 55, s->heads); /* Current heads */
+ put_le16(p + 56, s->sectors); /* Current sectors */
+ put_le16(p + 57, cur_sec); /* Current capacity */
+ put_le16(p + 58, cur_sec >> 16); /* Current capacity */
+ if (s->mult_sectors) /* Multiple sector setting */
put_le16(p + 59, 0x100 | s->mult_sectors);
/* *(p + 60) := nb_sectors -- see ide_cfata_identify_size */
/* *(p + 61) := nb_sectors >> 16 -- see ide_cfata_identify_size */
- put_le16(p + 63, 0x0203); /* Multiword DMA capability */
- put_le16(p + 64, 0x0001); /* Flow Control PIO support */
- put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */
- put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */
- put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */
- put_le16(p + 82, 0x400c); /* Command Set supported */
- put_le16(p + 83, 0x7068); /* Command Set supported */
- put_le16(p + 84, 0x4000); /* Features supported */
- put_le16(p + 85, 0x000c); /* Command Set enabled */
- put_le16(p + 86, 0x7044); /* Command Set enabled */
- put_le16(p + 87, 0x4000); /* Features enabled */
- put_le16(p + 91, 0x4060); /* Current APM level */
- put_le16(p + 129, 0x0002); /* Current features option */
- put_le16(p + 130, 0x0005); /* Reassigned sectors */
- put_le16(p + 131, 0x0001); /* Initial power mode */
- put_le16(p + 132, 0x0000); /* User signature */
- put_le16(p + 160, 0x8100); /* Power requirement */
- put_le16(p + 161, 0x8001); /* CF command set */
+ put_le16(p + 63, 0x0203); /* Multiword DMA capability */
+ put_le16(p + 64, 0x0001); /* Flow Control PIO support */
+ put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */
+ put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */
+ put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */
+ put_le16(p + 82, 0x400c); /* Command Set supported */
+ put_le16(p + 83, 0x7068); /* Command Set supported */
+ put_le16(p + 84, 0x4000); /* Features supported */
+ put_le16(p + 85, 0x000c); /* Command Set enabled */
+ put_le16(p + 86, 0x7044); /* Command Set enabled */
+ put_le16(p + 87, 0x4000); /* Features enabled */
+ put_le16(p + 91, 0x4060); /* Current APM level */
+ put_le16(p + 129, 0x0002); /* Current features option */
+ put_le16(p + 130, 0x0005); /* Reassigned sectors */
+ put_le16(p + 131, 0x0001); /* Initial power mode */
+ put_le16(p + 132, 0x0000); /* User signature */
+ put_le16(p + 160, 0x8100); /* Power requirement */
+ put_le16(p + 161, 0x8001); /* CF command set */
ide_cfata_identify_size(s);
s->identify_set = 1;
@@ -348,7 +348,7 @@ static void ide_set_signature(IDEState *s)
/* put signature */
s->nsector = 1;
s->sector = 1;
- if (s->drive_kind == IDE_CD) {
+ if (s->drive_kind == IDE_CD || s->drive_kind == IDE_BRIDGE) {
s->lcyl = 0x14;
s->hcyl = 0xeb;
} else if (s->blk) {
@@ -500,16 +500,16 @@ int64_t ide_get_sector(IDEState *s)
int64_t sector_num;
if (s->select & 0x40) {
/* lba */
- if (!s->lba48) {
- sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
- (s->lcyl << 8) | s->sector;
- } else {
- sector_num = ((int64_t)s->hob_hcyl << 40) |
- ((int64_t) s->hob_lcyl << 32) |
- ((int64_t) s->hob_sector << 24) |
- ((int64_t) s->hcyl << 16) |
- ((int64_t) s->lcyl << 8) | s->sector;
- }
+ if (!s->lba48) {
+ sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
+ (s->lcyl << 8) | s->sector;
+ } else {
+ sector_num = ((int64_t)s->hob_hcyl << 40) |
+ ((int64_t) s->hob_lcyl << 32) |
+ ((int64_t) s->hob_sector << 24) |
+ ((int64_t) s->hcyl << 16) |
+ ((int64_t) s->lcyl << 8) | s->sector;
+ }
} else {
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
(s->select & 0x0f) * s->sectors + (s->sector - 1);
@@ -521,19 +521,19 @@ void ide_set_sector(IDEState *s, int64_t sector_num)
{
unsigned int cyl, r;
if (s->select & 0x40) {
- if (!s->lba48) {
+ if (!s->lba48) {
s->select = (s->select & 0xf0) | (sector_num >> 24);
s->hcyl = (sector_num >> 16);
s->lcyl = (sector_num >> 8);
s->sector = (sector_num);
- } else {
- s->sector = sector_num;
- s->lcyl = sector_num >> 8;
- s->hcyl = sector_num >> 16;
- s->hob_sector = sector_num >> 24;
- s->hob_lcyl = sector_num >> 32;
- s->hob_hcyl = sector_num >> 40;
- }
+ } else {
+ s->sector = sector_num;
+ s->lcyl = sector_num >> 8;
+ s->hcyl = sector_num >> 16;
+ s->hob_sector = sector_num >> 24;
+ s->hob_lcyl = sector_num >> 32;
+ s->hob_hcyl = sector_num >> 40;
+ }
} else {
cyl = sector_num / (s->heads * s->sectors);
r = sector_num % (s->heads * s->sectors);
@@ -946,13 +946,13 @@ static void ide_cfata_metadata_inquiry(IDEState *s)
memset(p, 0, 0x200);
spd = ((s->mdata_size - 1) >> 9) + 1;
- put_le16(p + 0, 0x0001); /* Data format revision */
- put_le16(p + 1, 0x0000); /* Media property: silicon */
- put_le16(p + 2, s->media_changed); /* Media status */
- put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */
- put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */
- put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */
- put_le16(p + 6, spd >> 16); /* Sectors per device
(high) */
+ put_le16(p + 0, 0x0001); /* Data format revision */
+ put_le16(p + 1, 0x0000); /* Media property: silicon */
+ put_le16(p + 2, s->media_changed); /* Media status */
+ put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */
+ put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */
+ put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */
+ put_le16(p + 6, spd >> 16); /* Sectors per device (high) */
}
static void ide_cfata_metadata_read(IDEState *s)
@@ -968,7 +968,7 @@ static void ide_cfata_metadata_read(IDEState *s)
p = (uint16_t *) s->io_buffer;
memset(p, 0, 0x200);
- put_le16(p + 0, s->media_changed); /* Media status */
+ put_le16(p + 0, s->media_changed); /* Media status */
memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9),
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9),
s->nsector << 9), 0x200 - 2));
@@ -1033,17 +1033,17 @@ static void ide_cmd_lba48_transform(IDEState *s, int
lba48)
* full sector count in ->nsector and ignore ->hob_nsector from now
*/
if (!s->lba48) {
- if (!s->nsector)
- s->nsector = 256;
+ if (!s->nsector)
+ s->nsector = 256;
} else {
- if (!s->nsector && !s->hob_nsector)
- s->nsector = 65536;
- else {
- int lo = s->nsector;
- int hi = s->hob_nsector;
+ if (!s->nsector && !s->hob_nsector)
+ s->nsector = 65536;
+ else {
+ int lo = s->nsector;
+ int hi = s->hob_nsector;
- s->nsector = (hi << 8) | lo;
- }
+ s->nsector = (hi << 8) | lo;
+ }
}
}
@@ -1072,43 +1072,43 @@ void ide_ioport_write(void *opaque, uint32_t addr,
uint32_t val)
case 0:
break;
case 1:
- ide_clear_hob(bus);
+ ide_clear_hob(bus);
/* NOTE: data is written to the two drives */
- bus->ifs[0].hob_feature = bus->ifs[0].feature;
- bus->ifs[1].hob_feature = bus->ifs[1].feature;
+ bus->ifs[0].hob_feature = bus->ifs[0].feature;
+ bus->ifs[1].hob_feature = bus->ifs[1].feature;
bus->ifs[0].feature = val;
bus->ifs[1].feature = val;
break;
case 2:
- ide_clear_hob(bus);
- bus->ifs[0].hob_nsector = bus->ifs[0].nsector;
- bus->ifs[1].hob_nsector = bus->ifs[1].nsector;
+ ide_clear_hob(bus);
+ bus->ifs[0].hob_nsector = bus->ifs[0].nsector;
+ bus->ifs[1].hob_nsector = bus->ifs[1].nsector;
bus->ifs[0].nsector = val;
bus->ifs[1].nsector = val;
break;
case 3:
- ide_clear_hob(bus);
- bus->ifs[0].hob_sector = bus->ifs[0].sector;
- bus->ifs[1].hob_sector = bus->ifs[1].sector;
+ ide_clear_hob(bus);
+ bus->ifs[0].hob_sector = bus->ifs[0].sector;
+ bus->ifs[1].hob_sector = bus->ifs[1].sector;
bus->ifs[0].sector = val;
bus->ifs[1].sector = val;
break;
case 4:
- ide_clear_hob(bus);
- bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl;
- bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl;
+ ide_clear_hob(bus);
+ bus->ifs[0].hob_lcyl = bus->ifs[0].lcyl;
+ bus->ifs[1].hob_lcyl = bus->ifs[1].lcyl;
bus->ifs[0].lcyl = val;
bus->ifs[1].lcyl = val;
break;
case 5:
- ide_clear_hob(bus);
- bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl;
- bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl;
+ ide_clear_hob(bus);
+ bus->ifs[0].hob_hcyl = bus->ifs[0].hcyl;
+ bus->ifs[1].hob_hcyl = bus->ifs[1].hcyl;
bus->ifs[0].hcyl = val;
bus->ifs[1].hcyl = val;
break;
case 6:
- /* FIXME: HOB readback uses bit 7 */
+ /* FIXME: HOB readback uses bit 7 */
bus->ifs[0].select = (val & ~0x10) | 0xa0;
bus->ifs[1].select = (val | 0x10) | 0xa0;
/* select drive */
@@ -1144,7 +1144,7 @@ static bool cmd_data_set_management(IDEState *s, uint8_t
cmd)
static bool cmd_identify(IDEState *s, uint8_t cmd)
{
- if (s->blk && s->drive_kind != IDE_CD) {
+ if (s->blk && s->drive_kind != IDE_CD && s->drive_kind != IDE_BRIDGE) {
if (s->drive_kind != IDE_CFATA) {
ide_identify(s);
} else {
@@ -1155,7 +1155,7 @@ static bool cmd_identify(IDEState *s, uint8_t cmd)
ide_set_irq(s->bus);
return false;
} else {
- if (s->drive_kind == IDE_CD) {
+ if (s->drive_kind == IDE_CD || s->drive_kind == IDE_BRIDGE) {
ide_set_signature(s);
}
ide_abort_command(s);
@@ -1232,7 +1232,7 @@ static bool cmd_read_pio(IDEState *s, uint8_t cmd)
{
bool lba48 = (cmd == WIN_READ_EXT);
- if (s->drive_kind == IDE_CD) {
+ if (s->drive_kind == IDE_CD || s->drive_kind == IDE_BRIDGE) {
ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */
ide_abort_command(s);
return true;
@@ -1426,7 +1426,7 @@ static bool cmd_exec_dev_diagnostic(IDEState *s, uint8_t
cmd)
{
ide_set_signature(s);
- if (s->drive_kind == IDE_CD) {
+ if (s->drive_kind == IDE_CD || s->drive_kind == IDE_BRIDGE) {
s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet
* devices to return a clear status register
* with READY_STAT *not* set. */
@@ -1731,7 +1731,7 @@ abort_cmd:
}
#define HD_OK (1u << IDE_HD)
-#define CD_OK (1u << IDE_CD)
+#define CD_OK ((1u << IDE_CD) | (1u << IDE_BRIDGE))
#define CFA_OK (1u << IDE_CFATA)
#define HD_CFA_OK (HD_OK | CFA_OK)
#define ALL_OK (HD_OK | CD_OK | CFA_OK)
@@ -1874,7 +1874,7 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
} else if (!hob) {
ret = s->error;
} else {
- ret = s->hob_feature;
+ ret = s->hob_feature;
}
break;
case 2:
@@ -1883,7 +1883,7 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
} else if (!hob) {
ret = s->nsector & 0xff;
} else {
- ret = s->hob_nsector;
+ ret = s->hob_nsector;
}
break;
case 3:
@@ -1892,7 +1892,7 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
} else if (!hob) {
ret = s->sector;
} else {
- ret = s->hob_sector;
+ ret = s->hob_sector;
}
break;
case 4:
@@ -1901,7 +1901,7 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
} else if (!hob) {
ret = s->lcyl;
} else {
- ret = s->hob_lcyl;
+ ret = s->hob_lcyl;
}
break;
case 5:
@@ -1910,7 +1910,7 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
} else if (!hob) {
ret = s->hcyl;
} else {
- ret = s->hob_hcyl;
+ ret = s->hob_hcyl;
}
break;
case 6:
@@ -1978,7 +1978,7 @@ void ide_cmd_write(void *opaque, uint32_t addr, uint32_t
val)
/* high to low */
for(i = 0;i < 2; i++) {
s = &bus->ifs[i];
- if (s->drive_kind == IDE_CD)
+ if (s->drive_kind == IDE_CD || s->drive_kind == IDE_BRIDGE)
s->status = 0x00; /* NOTE: READY is _not_ set */
else
s->status = READY_STAT | SEEK_STAT;
@@ -2210,7 +2210,7 @@ static void ide_resize_cb(void *opaque)
ide_cfata_identify_size(s);
} else {
/* IDE_CD uses a different set of callbacks entirely. */
- assert(s->drive_kind != IDE_CD);
+ assert(s->drive_kind != IDE_CD && s->drive_kind != IDE_BRIDGE);
ide_identify_size(s);
}
}
@@ -2250,7 +2250,7 @@ int ide_init_drive(IDEState *s, BlockBackend *blk,
IDEDriveKind kind,
s->smart_autosave = 1;
s->smart_errors = 0;
s->smart_selftest_count = 0;
- if (kind == IDE_CD) {
+ if (kind == IDE_CD || kind == IDE_BRIDGE) {
blk_set_dev_ops(blk, &ide_cd_block_ops, s);
blk_set_guest_block_size(blk, 2048);
} else {
@@ -2277,6 +2277,9 @@ int ide_init_drive(IDEState *s, BlockBackend *blk,
IDEDriveKind kind,
case IDE_CD:
strcpy(s->drive_model_str, "QEMU DVD-ROM");
break;
+ case IDE_BRIDGE:
+ strcpy(s->drive_model_str, "QEMU ATAPI-SCSI bridge");
+ break;
case IDE_CFATA:
strcpy(s->drive_model_str, "QEMU MICRODRIVE");
break;
@@ -2598,7 +2601,7 @@ static const VMStateDescription
vmstate_ide_drive_pio_state = {
.fields = (VMStateField[]) {
VMSTATE_INT32(req_nb_sectors, IDEState),
VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1,
- vmstate_info_uint8, uint8_t),
+ vmstate_info_uint8, uint8_t),
VMSTATE_INT32(cur_io_buffer_offset, IDEState),
VMSTATE_INT32(cur_io_buffer_len, IDEState),
VMSTATE_UINT8(end_transfer_fn_idx, IDEState),
@@ -2697,4 +2700,4 @@ void ide_drive_get(DriveInfo **hd, int n)
for (i = 0; i < n; i++) {
hd[i] = drive_get_by_index(IF_IDE, i);
}
-}
+}
\ No newline at end of file
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index 30fdcbc..d5c5b70 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -12,6 +12,7 @@
#include "sysemu/sysemu.h"
#include "hw/block/block.h"
#include "block/scsi.h"
+#include "hw/scsi/scsi.h"
/* debug IDE devices */
//#define DEBUG_IDE
@@ -29,81 +30,81 @@ typedef struct IDEDMAOps IDEDMAOps;
#define IDE_BUS(obj) OBJECT_CHECK(IDEBus, (obj), TYPE_IDE_BUS)
/* Bits of HD_STATUS */
-#define ERR_STAT 0x01
-#define INDEX_STAT 0x02
-#define ECC_STAT 0x04 /* Corrected error */
-#define DRQ_STAT 0x08
-#define SEEK_STAT 0x10
-#define SRV_STAT 0x10
-#define WRERR_STAT 0x20
-#define READY_STAT 0x40
-#define BUSY_STAT 0x80
+#define ERR_STAT 0x01
+#define INDEX_STAT 0x02
+#define ECC_STAT 0x04 /* Corrected error */
+#define DRQ_STAT 0x08
+#define SEEK_STAT 0x10
+#define SRV_STAT 0x10
+#define WRERR_STAT 0x20
+#define READY_STAT 0x40
+#define BUSY_STAT 0x80
/* Bits for HD_ERROR */
-#define MARK_ERR 0x01 /* Bad address mark */
-#define TRK0_ERR 0x02 /* couldn't find track 0 */
-#define ABRT_ERR 0x04 /* Command aborted */
-#define MCR_ERR 0x08 /* media change request */
-#define ID_ERR 0x10 /* ID field not found */
-#define MC_ERR 0x20 /* media changed */
-#define ECC_ERR 0x40 /* Uncorrectable ECC error */
-#define BBD_ERR 0x80 /* pre-EIDE meaning: block
marked bad */
-#define ICRC_ERR 0x80 /* new meaning: CRC error during
transfer */
+#define MARK_ERR 0x01 /* Bad address mark */
+#define TRK0_ERR 0x02 /* couldn't find track 0 */
+#define ABRT_ERR 0x04 /* Command aborted */
+#define MCR_ERR 0x08 /* media change request */
+#define ID_ERR 0x10 /* ID field not found */
+#define MC_ERR 0x20 /* media changed */
+#define ECC_ERR 0x40 /* Uncorrectable ECC error */
+#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
+#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
/* Bits of HD_NSECTOR */
-#define CD 0x01
-#define IO 0x02
-#define REL 0x04
-#define TAG_MASK 0xf8
+#define CD 0x01
+#define IO 0x02
+#define REL 0x04
+#define TAG_MASK 0xf8
#define IDE_CMD_RESET 0x04
#define IDE_CMD_DISABLE_IRQ 0x02
/* ACS-2 T13/2015-D Table B.2 Command codes */
-#define WIN_NOP 0x00
+#define WIN_NOP 0x00
/* reserved 0x01..0x02 */
-#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code
*/
+#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
/* reserved 0x04..0x05 */
#define WIN_DSM 0x06
/* reserved 0x07 */
-#define WIN_DEVICE_RESET 0x08
+#define WIN_DEVICE_RESET 0x08
/* reserved 0x09..0x0a */
/* REQUEST SENSE DATA EXT 0x0B */
/* reserved 0x0C..0x0F */
#define WIN_RECAL 0x10 /* obsolete since ATA4 */
/* obsolete since ATA3, retired in ATA4 0x11..0x1F */
-#define WIN_READ 0x20 /* 28-Bit */
+#define WIN_READ 0x20 /* 28-Bit */
#define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete
since ATA5 */
/* obsolete since ATA4 0x22..0x23 */
-#define WIN_READ_EXT 0x24 /* 48-Bit */
-#define WIN_READDMA_EXT 0x25 /* 48-Bit */
+#define WIN_READ_EXT 0x24 /* 48-Bit */
+#define WIN_READDMA_EXT 0x25 /* 48-Bit */
#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */
-#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
+#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
/* reserved 0x28 */
-#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
+#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
/* READ STREAM DMA EXT 0x2A */
/* READ STREAM EXT 0x2B */
/* reserved 0x2C..0x2E */
/* READ LOG EXT 0x2F */
-#define WIN_WRITE 0x30 /* 28-Bit */
+#define WIN_WRITE 0x30 /* 28-Bit */
#define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete
since ATA5 */
/* obsolete since ATA4 0x32..0x33 */
-#define WIN_WRITE_EXT 0x34 /* 48-Bit */
-#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
-#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
+#define WIN_WRITE_EXT 0x34 /* 48-Bit */
+#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
+#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
#define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */
-#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
-#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors
without erase */
-#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
+#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
+#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
+#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
/* WRITE STREAM DMA EXT 0x3A */
/* WRITE STREAM EXT 0x3B */
#define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */
/* WRITE DMA FUA EXT 0x3D */
/* obsolete since ACS2 0x3E */
/* WRITE LOG EXT 0x3F */
-#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
+#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete
since ATA5 */
-#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
+#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
/* reserved 0x43..0x44 */
/* WRITE UNCORRECTABLE EXT 0x45 */
/* reserved 0x46 */
@@ -125,11 +126,11 @@ typedef struct IDEDMAOps IDEDMAOps;
#define WIN_SEEK 0x70 /* obsolete since ATA7 */
/* reserved 0x71-0x7F */
/* vendor specific 0x80-0x86 */
-#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
+#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
/* vendor specific 0x88-0x8F */
-#define WIN_DIAGNOSE 0x90
+#define WIN_DIAGNOSE 0x90
#define WIN_SPECIFY 0x91 /* set drive geometry
translation, obsolete since ATA6 */
-#define WIN_DOWNLOAD_MICROCODE 0x92
+#define WIN_DOWNLOAD_MICROCODE 0x92
/* DOWNLOAD MICROCODE DMA 0x93 */
#define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */
#define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready",
retired in ATA4 */
@@ -139,31 +140,31 @@ typedef struct IDEDMAOps IDEDMAOps;
#define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */
/* vendor specific 0x9A */
/* reserved 0x9B..0x9F */
-#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
-#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
+#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
+#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
#define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */
/* reserved 0xA3..0xAF */
-#define WIN_SMART 0xB0 /* self-monitoring and reporting */
+#define WIN_SMART 0xB0 /* self-monitoring and reporting */
/* Device Configuration Overlay 0xB1 */
/* reserved 0xB2..0xB3 */
/* Sanitize Device 0xB4 */
/* reserved 0xB5 */
/* NV Cache 0xB6 */
/* reserved for CFA 0xB7..0xBB */
-#define CFA_ACCESS_METADATA_STORAGE 0xB8
+#define CFA_ACCESS_METADATA_STORAGE 0xB8
/* reserved 0xBC..0xBF */
-#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
+#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
/* vendor specific 0xC1..0xC3 */
-#define WIN_MULTREAD 0xC4 /* read sectors using multiple
mode*/
-#define WIN_MULTWRITE 0xC5 /* write sectors using multiple
mode */
-#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
+#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
+#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
+#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA
transfers, obsolete since ACS2 */
-#define WIN_READDMA 0xC8 /* read sectors using DMA
transfers */
+#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete
since ATA5 */
-#define WIN_WRITEDMA 0xCA /* write sectors using DMA
transfers */
+#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete
since ATA5 */
-#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA
transfers, obsolete since ACS2 */
-#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without
erase */
+#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA
transfers, obsolete since ACS2 */
+#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
/* WRITE MULTIPLE FUA EXT 0xCE */
/* reserved 0xCF..0xDO */
/* CHECK MEDIA CARD TYPE 0xD1 */
@@ -173,33 +174,33 @@ typedef struct IDEDMAOps IDEDMAOps;
/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
#define WIN_DOORLOCK 0xDE /* lock door on removable drives,
obsolete since ATA8 */
#define WIN_DOORUNLOCK 0xDF /* unlock door on removable
drives, obsolete since ATA8 */
-#define WIN_STANDBYNOW1 0xE0
-#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
-#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
-#define WIN_SETIDLE1 0xE3
-#define WIN_READ_BUFFER 0xE4 /* force read only 1
sector */
-#define WIN_CHECKPOWERMODE1 0xE5
-#define WIN_SLEEPNOW1 0xE6
-#define WIN_FLUSH_CACHE 0xE7
-#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
+#define WIN_STANDBYNOW1 0xE0
+#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
+#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
+#define WIN_SETIDLE1 0xE3
+#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
+#define WIN_CHECKPOWERMODE1 0xE5
+#define WIN_SLEEPNOW1 0xE6
+#define WIN_FLUSH_CACHE 0xE7
+#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
/* READ BUFFER DMA 0xE9 */
-#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
+#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
/* WRITE BUFFER DMA 0xEB */
-#define WIN_IDENTIFY 0xEC /* ask drive to identify itself
*/
+#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
#define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */
/* obsolete since ATA4 0xEE */
-#define WIN_SETFEATURES 0xEF /* set special drive
features */
+#define WIN_SETFEATURES 0xEF /* set special drive features */
#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature,
vendor specific */
-#define WIN_SECURITY_SET_PASS 0xF1
-#define WIN_SECURITY_UNLOCK 0xF2
-#define WIN_SECURITY_ERASE_PREPARE 0xF3
-#define WIN_SECURITY_ERASE_UNIT 0xF4
-#define WIN_SECURITY_FREEZE_LOCK 0xF5
+#define WIN_SECURITY_SET_PASS 0xF1
+#define WIN_SECURITY_UNLOCK 0xF2
+#define WIN_SECURITY_ERASE_PREPARE 0xF3
+#define WIN_SECURITY_ERASE_UNIT 0xF4
+#define WIN_SECURITY_FREEZE_LOCK 0xF5
#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP;
not specified in T13! */
-#define WIN_SECURITY_DISABLE 0xF6
+#define WIN_SECURITY_DISABLE 0xF6
/* vendor specific 0xF7 */
-#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum
address */
-#define WIN_SET_MAX 0xF9
+#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
+#define WIN_SET_MAX 0xF9
/* vendor specific 0xFA..0xFF */
/* set to 1 set disable mult support */
@@ -220,68 +221,68 @@ typedef struct IDEDMAOps IDEDMAOps;
/* The generic packet command opcodes for CD/DVD Logical Units,
* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
-#define GPCMD_BLANK 0xa1
-#define GPCMD_CLOSE_TRACK 0x5b
-#define GPCMD_FLUSH_CACHE 0x35
-#define GPCMD_FORMAT_UNIT 0x04
-#define GPCMD_GET_CONFIGURATION 0x46
+#define GPCMD_BLANK 0xa1
+#define GPCMD_CLOSE_TRACK 0x5b
+#define GPCMD_FLUSH_CACHE 0x35
+#define GPCMD_FORMAT_UNIT 0x04
+#define GPCMD_GET_CONFIGURATION 0x46
#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
-#define GPCMD_GET_PERFORMANCE 0xac
-#define GPCMD_INQUIRY 0x12
-#define GPCMD_LOAD_UNLOAD 0xa6
-#define GPCMD_MECHANISM_STATUS 0xbd
-#define GPCMD_MODE_SELECT_10 0x55
-#define GPCMD_MODE_SENSE_10 0x5a
-#define GPCMD_PAUSE_RESUME 0x4b
-#define GPCMD_PLAY_AUDIO_10 0x45
-#define GPCMD_PLAY_AUDIO_MSF 0x47
-#define GPCMD_PLAY_AUDIO_TI 0x48
-#define GPCMD_PLAY_CD 0xbc
+#define GPCMD_GET_PERFORMANCE 0xac
+#define GPCMD_INQUIRY 0x12
+#define GPCMD_LOAD_UNLOAD 0xa6
+#define GPCMD_MECHANISM_STATUS 0xbd
+#define GPCMD_MODE_SELECT_10 0x55
+#define GPCMD_MODE_SENSE_10 0x5a
+#define GPCMD_PAUSE_RESUME 0x4b
+#define GPCMD_PLAY_AUDIO_10 0x45
+#define GPCMD_PLAY_AUDIO_MSF 0x47
+#define GPCMD_PLAY_AUDIO_TI 0x48
+#define GPCMD_PLAY_CD 0xbc
#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
-#define GPCMD_READ_10 0x28
-#define GPCMD_READ_12 0xa8
-#define GPCMD_READ_CDVD_CAPACITY 0x25
-#define GPCMD_READ_CD 0xbe
-#define GPCMD_READ_CD_MSF 0xb9
-#define GPCMD_READ_DISC_INFO 0x51
-#define GPCMD_READ_DVD_STRUCTURE 0xad
-#define GPCMD_READ_FORMAT_CAPACITIES 0x23
-#define GPCMD_READ_HEADER 0x44
-#define GPCMD_READ_TRACK_RZONE_INFO 0x52
-#define GPCMD_READ_SUBCHANNEL 0x42
-#define GPCMD_READ_TOC_PMA_ATIP 0x43
-#define GPCMD_REPAIR_RZONE_TRACK 0x58
-#define GPCMD_REPORT_KEY 0xa4
-#define GPCMD_REQUEST_SENSE 0x03
-#define GPCMD_RESERVE_RZONE_TRACK 0x53
-#define GPCMD_SCAN 0xba
-#define GPCMD_SEEK 0x2b
-#define GPCMD_SEND_DVD_STRUCTURE 0xad
-#define GPCMD_SEND_EVENT 0xa2
-#define GPCMD_SEND_KEY 0xa3
-#define GPCMD_SEND_OPC 0x54
-#define GPCMD_SET_READ_AHEAD 0xa7
-#define GPCMD_SET_STREAMING 0xb6
-#define GPCMD_START_STOP_UNIT 0x1b
-#define GPCMD_STOP_PLAY_SCAN 0x4e
-#define GPCMD_TEST_UNIT_READY 0x00
-#define GPCMD_VERIFY_10 0x2f
-#define GPCMD_WRITE_10 0x2a
-#define GPCMD_WRITE_AND_VERIFY_10 0x2e
+#define GPCMD_READ_10 0x28
+#define GPCMD_READ_12 0xa8
+#define GPCMD_READ_CDVD_CAPACITY 0x25
+#define GPCMD_READ_CD 0xbe
+#define GPCMD_READ_CD_MSF 0xb9
+#define GPCMD_READ_DISC_INFO 0x51
+#define GPCMD_READ_DVD_STRUCTURE 0xad
+#define GPCMD_READ_FORMAT_CAPACITIES 0x23
+#define GPCMD_READ_HEADER 0x44
+#define GPCMD_READ_TRACK_RZONE_INFO 0x52
+#define GPCMD_READ_SUBCHANNEL 0x42
+#define GPCMD_READ_TOC_PMA_ATIP 0x43
+#define GPCMD_REPAIR_RZONE_TRACK 0x58
+#define GPCMD_REPORT_KEY 0xa4
+#define GPCMD_REQUEST_SENSE 0x03
+#define GPCMD_RESERVE_RZONE_TRACK 0x53
+#define GPCMD_SCAN 0xba
+#define GPCMD_SEEK 0x2b
+#define GPCMD_SEND_DVD_STRUCTURE 0xad
+#define GPCMD_SEND_EVENT 0xa2
+#define GPCMD_SEND_KEY 0xa3
+#define GPCMD_SEND_OPC 0x54
+#define GPCMD_SET_READ_AHEAD 0xa7
+#define GPCMD_SET_STREAMING 0xb6
+#define GPCMD_START_STOP_UNIT 0x1b
+#define GPCMD_STOP_PLAY_SCAN 0x4e
+#define GPCMD_TEST_UNIT_READY 0x00
+#define GPCMD_VERIFY_10 0x2f
+#define GPCMD_WRITE_10 0x2a
+#define GPCMD_WRITE_AND_VERIFY_10 0x2e
/* This is listed as optional in ATAPI 2.6, but is (curiously)
* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
* Table 377 as an MMC command for SCSi devices though... Most ATAPI
* drives support it. */
-#define GPCMD_SET_SPEED 0xbb
+#define GPCMD_SET_SPEED 0xbb
/* This seems to be a SCSI specific CD-ROM opcode
* to play data at track/index */
-#define GPCMD_PLAYAUDIO_TI 0x48
+#define GPCMD_PLAYAUDIO_TI 0x48
/*
* From MS Media Status Notification Support Specification. For
* older drives only.
*/
-#define GPCMD_GET_MEDIA_STATUS 0xda
-#define GPCMD_MODE_SENSE_6 0x1a
+#define GPCMD_GET_MEDIA_STATUS 0xda
+#define GPCMD_MODE_SENSE_6 0x1a
#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
@@ -317,7 +318,7 @@ typedef struct IDEDMAOps IDEDMAOps;
#define SMART_DISABLE 0xd9
#define SMART_STATUS 0xda
-typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
+typedef enum { IDE_HD, IDE_CD, IDE_CFATA, IDE_BRIDGE } IDEDriveKind;
typedef void EndTransferFunc(IDEState *);
@@ -341,7 +342,7 @@ enum ide_dma_cmd {
};
#define ide_cmd_is_read(s) \
- ((s)->dma_cmd == IDE_DMA_READ)
+ ((s)->dma_cmd == IDE_DMA_READ)
/* NOTE: IDEState represents in fact one drive */
struct IDEState {
@@ -492,6 +493,8 @@ struct IDEDevice {
char *serial;
char *model;
uint64_t wwn;
+
+ SCSIBus scsi_bus;
};
/* These are used for the error_status field of IDEBus */
@@ -580,4 +583,4 @@ void ide_bus_new(IDEBus *idebus, size_t idebus_size,
DeviceState *dev,
int bus_id, int max_units);
IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
-#endif /* HW_IDE_INTERNAL_H */
+#endif /* HW_IDE_INTERNAL_H */
\ No newline at end of file
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 788b361..481cb6c 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -67,6 +67,16 @@ static char *idebus_get_fw_dev_path(DeviceState *dev)
return g_strdup(path);
}
+static const struct SCSIBusInfo atapi_scsi_info = {
+ .tcq = true,
+ .max_target = 0,
+ .max_lun = 0,
+
+ .transfer_data = NULL,
+ .complete = NULL,
+ .cancel = NULL
+};
+
static int ide_qdev_init(DeviceState *qdev)
{
IDEDevice *dev = IDE_DEVICE(qdev);
@@ -170,7 +180,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
}
blkconf_serial(&dev->conf, &dev->serial);
- if (kind != IDE_CD) {
+ if (kind != IDE_CD && kind != IDE_BRIDGE) {
blkconf_geometry(&dev->conf, &dev->chs_trans, 65536, 16, 255, &err);
if (err) {
error_report_err(err);
@@ -194,6 +204,12 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind
kind)
add_boot_device_path(dev->conf.bootindex, &dev->qdev,
dev->unit ? "/address@hidden" : "/address@hidden");
+
+ if(kind == IDE_BRIDGE)
+ {
+ scsi_bus_new(&dev->scsi_bus, sizeof(dev->scsi_bus), &dev->qdev,
&atapi_scsi_info, NULL);
+ scsi_bus_legacy_handle_cmdline(&dev->scsi_bus, NULL);
+ }
return 0;
}
@@ -253,6 +269,11 @@ static int ide_cd_initfn(IDEDevice *dev)
return ide_dev_initfn(dev, IDE_CD);
}
+static int ide_bridge_initfn(IDEDevice *dev)
+{
+ return ide_dev_initfn(dev, IDE_BRIDGE);
+}
+
static int ide_drive_initfn(IDEDevice *dev)
{
DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk);
@@ -314,6 +335,23 @@ static const TypeInfo ide_cd_info = {
.class_init = ide_cd_class_init,
};
+static void ide_bridge_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
+ k->init = ide_bridge_initfn;
+ dc->fw_name = "drive";
+ dc->desc = "virtual ATAPI-SCSI bridge";
+ dc->props = ide_cd_properties;
+}
+
+static const TypeInfo ide_bridge_info = {
+ .name = "ide-bridge",
+ .parent = TYPE_IDE_DEVICE,
+ .instance_size = sizeof(IDEDrive),
+ .class_init = ide_bridge_class_init
+};
+
static Property ide_drive_properties[] = {
DEFINE_IDE_DEV_PROPERTIES(),
DEFINE_PROP_END_OF_LIST(),
@@ -360,8 +398,9 @@ static void ide_register_types(void)
type_register_static(&ide_bus_info);
type_register_static(&ide_hd_info);
type_register_static(&ide_cd_info);
+ type_register_static(&ide_bridge_info);
type_register_static(&ide_drive_info);
type_register_static(&ide_device_type_info);
}
-type_init(ide_register_types)
+type_init(ide_register_types)
\ No newline at end of file
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 54d71f4..2ecb540 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -527,7 +527,7 @@ static uint8_t *scsi_get_buf(SCSIRequest *req)
return (uint8_t *)r->iov.iov_base;
}
-static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
+int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);
int buflen = 0;
@@ -2759,4 +2759,4 @@ static void scsi_disk_register_types(void)
type_register_static(&scsi_disk_info);
}
-type_init(scsi_disk_register_types)
+type_init(scsi_disk_register_types)
\ No newline at end of file
diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
index cdaf0f8..beecbbc 100644
--- a/include/hw/scsi/scsi.h
+++ b/include/hw/scsi/scsi.h
@@ -7,7 +7,7 @@
#include "sysemu/sysemu.h"
#include "qemu/notify.h"
-#define MAX_SCSI_DEVS 255
+#define MAX_SCSI_DEVS 255
#define SCSI_CMD_BUF_SIZE 16
#define SCSI_SENSE_LEN 18
@@ -275,7 +275,9 @@ void scsi_device_unit_attention_reported(SCSIDevice *dev);
int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed);
SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int target, int lun);
+int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf);
+
/* scsi-generic.c. */
extern const SCSIReqOps scsi_generic_req_ops;
-#endif
+#endif
\ No newline at end of file
--
2.1.4
- [Qemu-devel] [RFC] ATAPI-SCSI bridge GSoC project,
Alexander Bezzubikov <=