[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 1/5] Revert "ide save/restore pio/atapi cmd transfer
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 1/5] Revert "ide save/restore pio/atapi cmd transfer fields and io buffer" |
Date: |
Tue, 15 Jun 2010 15:31:01 +0200 |
This reverts commit ed487bb1d69040b9dac64a4fc076d8dd82b131d6.
Conflicts:
hw/ide/core.c
Signed-off-by: Juan Quintela <address@hidden>
---
hw/ide/core.c | 62 +---------------------------------------------------
hw/ide/internal.h | 5 ----
2 files changed, 2 insertions(+), 65 deletions(-)
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 045d18d..21759a2 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2640,7 +2640,6 @@ static void ide_init1(IDEBus *bus, int unit)
s->unit = unit;
s->drive_serial = drive_serial++;
s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4);
- s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4;
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
s->sector_write_timer = qemu_new_timer(vm_clock,
ide_sector_write_timer_cb, s);
@@ -2699,25 +2698,6 @@ static bool is_identify_set(void *opaque, int version_id)
return s->identify_set != 0;
}
-static EndTransferFunc* transfer_end_table[] = {
- ide_sector_read,
- ide_sector_write,
- ide_transfer_stop,
- ide_atapi_cmd_reply_end,
- ide_atapi_cmd,
-};
-
-static int transfer_end_table_idx(EndTransferFunc *fn)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(transfer_end_table); i++)
- if (transfer_end_table[i] == fn)
- return i;
-
- return -1;
-}
-
static int ide_drive_post_load(void *opaque, int version_id)
{
IDEState *s = opaque;
@@ -2728,45 +2708,14 @@ static int ide_drive_post_load(void *opaque, int
version_id)
s->cdrom_changed = 1;
}
}
-
- if (s->cur_io_buffer_len) {
- s->end_transfer_func = transfer_end_table[s->end_transfer_fn_idx];
- s->data_ptr = s->io_buffer + s->cur_io_buffer_offset;
- s->data_end = s->data_ptr + s->cur_io_buffer_len;
- }
-
return 0;
}
-static void ide_drive_pre_save(void *opaque)
-{
- IDEState *s = opaque;
- int idx;
-
- s->cur_io_buffer_len = 0;
-
- if (!(s->status & DRQ_STAT))
- return;
-
- s->cur_io_buffer_offset = s->data_ptr - s->io_buffer;
- s->cur_io_buffer_len = s->data_end - s->data_ptr;
-
- idx = transfer_end_table_idx(s->end_transfer_func);
- if (idx == -1) {
- fprintf(stderr, "%s: invalid end_transfer_func for DRQ_STAT\n",
- __func__);
- s->end_transfer_fn_idx = 2;
- } else {
- s->end_transfer_fn_idx = idx;
- }
-}
-
const VMStateDescription vmstate_ide_drive = {
.name = "ide_drive",
- .version_id = 4,
+ .version_id = 3,
.minimum_version_id = 0,
.minimum_version_id_old = 0,
- .pre_save = ide_drive_pre_save,
.post_load = ide_drive_post_load,
.fields = (VMStateField []) {
VMSTATE_INT32(mult_sectors, IDEState),
@@ -2789,14 +2738,7 @@ const VMStateDescription vmstate_ide_drive = {
VMSTATE_UINT8(sense_key, IDEState),
VMSTATE_UINT8(asc, IDEState),
VMSTATE_UINT8_V(cdrom_changed, IDEState, 3),
- VMSTATE_INT32_V(req_nb_sectors, IDEState, 4),
- VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 4,
- vmstate_info_uint8, uint8_t),
- VMSTATE_INT32_V(cur_io_buffer_offset, IDEState, 4),
- VMSTATE_INT32_V(cur_io_buffer_len, IDEState, 4),
- VMSTATE_UINT8_V(end_transfer_fn_idx, IDEState, 4),
- VMSTATE_INT32_V(elementary_transfer_size, IDEState, 4),
- VMSTATE_INT32_V(packet_transfer_size, IDEState, 4),
+ /* XXX: if a transfer is pending, we do not save it yet */
VMSTATE_END_OF_LIST()
}
};
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index eef1ee1..71b9663 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -418,11 +418,6 @@ struct IDEState {
uint8_t *data_ptr;
uint8_t *data_end;
uint8_t *io_buffer;
- /* PIO save/restore */
- int32_t io_buffer_total_len;
- int cur_io_buffer_offset;
- int cur_io_buffer_len;
- uint8_t end_transfer_fn_idx;
QEMUTimer *sector_write_timer; /* only used for win2k install hack */
uint32_t irq_count; /* counts IRQs when using win2k install hack */
/* CF-ATA extended error */
--
1.6.6.1
- [Qemu-devel] [PATCH 0/5] Migration subsections (and ide as example), Juan Quintela, 2010/06/15
- [Qemu-devel] [PATCH 4/5] ide: fix migration in the middle of pio operation, Juan Quintela, 2010/06/15
- [Qemu-devel] [PATCH 2/5] Revert "ide save/restore current transfer fields", Juan Quintela, 2010/06/15
- [Qemu-devel] [PATCH 3/5] vmstate: add subsections code, Juan Quintela, 2010/06/15
- [Qemu-devel] [PATCH 1/5] Revert "ide save/restore pio/atapi cmd transfer fields and io buffer",
Juan Quintela <=
- [Qemu-devel] [PATCH 5/5] ide: fix migration in the middle of a bmdma transfer, Juan Quintela, 2010/06/15
- Re: [Qemu-devel] [PATCH 0/5] Migration subsections (and ide as example), Anthony Liguori, 2010/06/15