- 04 12月, 2009 24 次提交
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由 Jan Kiszka 提交于
We already save total_sectors in BlkMigDevState, let's use this value during the migration and avoid to recalculate it needlessly. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
In case we restart a migration, submitted, read_done, transferred, and print_completion need to be reinitialized to 0. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Based on the original patch by Pierre Riteau. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Pierre Riteau 提交于
Signed-off-by: NPierre Riteau <Pierre.Riteau@irisa.fr> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
No need to push block_mig_state to the heap and, thus, establish an indirection. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Move a potentially large buffer from stack to heap. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
This switches the dirty bitmap to a true bitmap, reducing its footprint (specifically in caches). It moreover fixes off-by-one bugs in set_dirty_bitmap (nb_sectors+1 were marked) and bdrv_get_dirty (limit check allowed one sector behind end of drive). And is drops redundant dirty_tracking field from BlockDriverState. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Instead of duplicating the definition of constants or introducing trivial retrieval functions move the SECTOR constants into the public block API. This also obsoletes sector_per_block in BlkMigState. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
No functional changes. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
qemu_fclose frees the passed file structure, but do_migrate_set_speed may access it later on. Fix it by setting file NULL in migrate_fd_cleanup and checking for this. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Now vmstate_unregister have the right type Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
When the size that we want to transmit is in another field, but in an unit different that bytes Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Support for buffer that are pointed by a pointer (i.e. not embedded) where the size that we want to use is a field in the state. We also need a new place to store where to start in the middle of the buffer, as now it is a pointer, not the offset of the 1st field. Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Jan Kiszka 提交于
Seeking on vmstate save/load does not work if the underlying file is a stream. We could try to make all QEMUFile* forward-seek-aware, but first attempts in this direction indicated that it's saner to convert the few qemu_fseek-on-vmstates users to plain reads/writes. This fixes various subtle vmstate corruptions where unused fields were involved. Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NJuan Quintela <quintela@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 03 12月, 2009 16 次提交
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由 Laszlo Ast 提交于
The critical part of this change is how to deal with simultaneaous generation of interrupts. The only (normal) case when this happens in the emulation is near simultaneous reselection + selection. If selection comes first, there is no problem, since the target attempting reselection loses the arbitration (in the emulation it only means that the reselect function will not be started). In the worst case the host adapter is reselected, but the device driver already started a selection, so we jump to the alternative address to handle the situation. The SCRIPTS code can trigger another interrupt to notify the driver that the new task has to be postponed. I suppose that on real hardware there is enough time after the reselection interrupt to set the SIP bit before the next interrupt comes, so it would result in 2 stacked interrupts (a SCSI and a DMA one). However, in the emulation there is no interrupt stacking, so there is a good chance that the 2 interrupts will get to the interrupt handler at the same time. Nevertheless, it should not make a big difference in interrupt handling, since in both cases both interrupts have to be fetched first, and after that the new task (that failed during the selection phase) has to be prepared/reset for a later restart, and the reconnected device has to be serviced. The changes do not modify the host adapter's behavior if this interrupt is not enabled. See also LSI53C895A technical manual, SCID and SIEN0. Signed-off-by: NLaszlo Ast <laszlo.ast@siemens-enterprise.com> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Laszlo Ast 提交于
See SCRIPTS, 3.2.17 SELECT. Signed-off-by: NLaszlo Ast <laszlo.ast@siemens-enterprise.com> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Laszlo Ast 提交于
See SCRIPTS Programming Guide, 3.2.17 SELECT. Signed-off-by: NLaszlo Ast <laszlo.ast@siemens-enterprise.com> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Laszlo Ast 提交于
See SCSI-2, 6.5 Message system description/message codes. Signed-off-by: NLaszlo Ast <laszlo.ast@siemens-enterprise.com> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Laszlo Ast 提交于
Signed-off-by: NLaszlo Ast <laszlo.ast@siemens-enterprise.com> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Laszlo Ast 提交于
Signed-off-by: NLaszlo Ast <laszlo.ast@siemens-enterprise.com> Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Add READ_16 + friends to scsi-defs.h, scsi_command_name() and the request parsing helper functions. Use them in scsi-disk.c too. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move VERIFY emulation from scsi_send_command() to scsi_disk_emulate_command(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move REPORT_LUNS emulation from scsi_send_command() to scsi_disk_emulate_command(). Also add REPORT_LUNS to scsi-defs.h and scsi_command_name(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move SERVICE_ACTION_IN emulation from scsi_send_command() to scsi_disk_emulate_command(). Also add SERVICE_ACTION_IN to scsi-defs.h and scsi_command_name(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move GET_CONFIGURATION emulation from scsi_send_command() to scsi_disk_emulate_command(). Also add GET_CONFIGURATION to scsi-defs.h and scsi_command_name(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move READ_TOC emulation from scsi_send_command() to scsi_disk_emulate_command(). Add scsi_disk_emulate_read_toc() function which holds the longisch READ_TOC emulation code. Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move SYNCHRONIZE_CACHE emulation from scsi_send_command() to scsi_disk_emulate_command(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move READ_CAPACITY emulation from scsi_send_command() to scsi_disk_emulate_command(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move ALLOW_MEDIUM_REMOVAL emulation from scsi_send_command() to scsi_disk_emulate_command(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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由 Gerd Hoffmann 提交于
Move START_STOP emulation from scsi_send_command() to scsi_disk_emulate_command(). Signed-off-by: NGerd Hoffmann <kraxel@redhat.com> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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