It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-26-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-25-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-23-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-19-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@tuxfamily.org>
Message-Id: <20180625124238.25339-18-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael Clark <mjc@sifive.com>
Message-Id: <20180625124238.25339-17-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-16-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-14-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alan Robinson <Alan.Robinson@ts.fujitsu.com>
Message-Id: <20180625124238.25339-12-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-11-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-10-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It eases code review, unit is explicit.
Patch generated using:
$ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
and modified manually.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180625124238.25339-9-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
These files don't use anything exposed by "qemu/cutils.h",
simplify preprocessing including directly "qemu/units.h".
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au> (ppc parts)
Message-Id: <20180625124238.25339-7-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Doesn't build on 32bit clang. And because we run under qemu mutex
anyway they are not needed.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180627111936.31019-1-kraxel@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* last of the SVE patches; SVE is now enabled for aarch64 linux-user
* sd: Don't trace SDRequest crc field (coverity bugfix)
* target/arm: Mark PMINTENSET accesses as possibly doing IO
* clean up v7VE feature bit handling
* i.mx7d: minor cleanups
* target/arm: support reading of CNT[VCT|FRQ]_EL0 from user-space
* target/arm: Implement ARMv8.2-DotProd
* virt: add addresses to dt node names (which stops dtc from
complaining that they're not correctly named)
* cleanups: replace error_setg(&error_fatal) by error_report() + exit()
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180629' into staging
target-arm queue:
* last of the SVE patches; SVE is now enabled for aarch64 linux-user
* sd: Don't trace SDRequest crc field (coverity bugfix)
* target/arm: Mark PMINTENSET accesses as possibly doing IO
* clean up v7VE feature bit handling
* i.mx7d: minor cleanups
* target/arm: support reading of CNT[VCT|FRQ]_EL0 from user-space
* target/arm: Implement ARMv8.2-DotProd
* virt: add addresses to dt node names (which stops dtc from
complaining that they're not correctly named)
* cleanups: replace error_setg(&error_fatal) by error_report() + exit()
# gpg: Signature made Fri 29 Jun 2018 15:52:21 BST
# gpg: using RSA key 3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg: aka "Peter Maydell <pmaydell@gmail.com>"
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20180629: (55 commits)
target/arm: Add ID_ISAR6
target/arm: Prune a15 features from max
target/arm: Prune a57 features from max
target/arm: Fix SVE system register access checks
target/arm: Fix SVE signed division vs x86 overflow exception
sdcard: Use the ldst API
sd: Don't trace SDRequest crc field
target/arm: Mark PMINTENSET accesses as possibly doing IO
target/arm: Remove redundant DIV detection for KVM
target/arm: Add ARM_FEATURE_V7VE for v7 Virtualization Extensions
i.mx7d: Change IRQ number type from hwaddr to int
i.mx7d: Change SRC unimplemented device name from sdma to src
i.mx7d: Remove unused header files
target/arm: support reading of CNT[VCT|FRQ]_EL0 from user-space
target/arm: Implement ARMv8.2-DotProd
target/arm: Enable SVE for aarch64-linux-user
target/arm: Implement SVE dot product (indexed)
target/arm: Implement SVE dot product (vectors)
target/arm: Implement SVE fp complex multiply add (indexed)
target/arm: Pass index to AdvSIMD FCMLA (indexed)
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
soft-freeze, but I'd like these preparatory patches to be merged anyway.
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
The Darwin host support still needs some more work. It won't make it for
soft-freeze, but I'd like these preparatory patches to be merged anyway.
# gpg: Signature made Fri 29 Jun 2018 11:39:04 BST
# gpg: using RSA key 71D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>"
# gpg: aka "Gregory Kurz <gregory.kurz@free.fr>"
# gpg: aka "[jpeg image of size 3330]"
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3 4910 71D4 D5E5 822F 73D6
* remotes/gkurz/tags/for-upstream:
9p: darwin: Explicitly cast comparisons of mode_t with -1
cutils: Provide strchrnul
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The load/store API will ease further code movement.
Per the Physical Layer Simplified Spec. "3.6 Bus Protocol":
"In the CMD line the Most Significant Bit (MSB) is transmitted
first, the Least Significant Bit (LSB) is the last."
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We don't actually implement SD command CRC checking, because
for almost all of our SD controllers the CRC generation is
done in hardware, and so modelling CRC generation and checking
would be a bit pointless. (The exception is that milkymist-memcard
makes the guest software compute the CRC.)
As a result almost all of our SD controller models don't bother
to set the SDRequest crc field, and the SD card model doesn't
check it. So the tracing of it in sdbus_do_command() provokes
Coverity warnings about use of uninitialized data.
Drop the CRC field from the trace; we can always add it back
if and when we do anything useful with the CRC.
Fixes Coverity issues 1386072, 1386074, 1386076, 1390571.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180626180324.5537-1-peter.maydell@linaro.org
The qdev_get_gpio_in() function accept an int as second parameter.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When running dtc on the guest /proc/device-tree we get the
following warning: Warning (unit_address_vs_reg): Node /memory
has a reg or ranges property, but no unit name".
Let's fix that by adding the unit address to the node name. We also
don't create the /memory node anymore in create_fdt(). We directly
create it in load_dtb. /chosen still needs to be created in create_fdt
as the uart needs it. In case the user provided his own dtb, we nop
all memory nodes found in root and create new one(s).
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1530044492-24921-4-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When running dtc on the guest /proc/device-tree we get the
following warnings: "Warning (unit_address_vs_reg): Node <name>
has a reg or ranges property, but no unit name", with name:
/intc, /intc/its, /intc/v2m.
Nodes should have a name in the form <name>[@<unit-address>] where
unit-address is the primary address used to access the device, listed
in the node's reg property. This fix seems to make dtc happy.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1530044492-24921-3-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use error_report() + exit() instead of error_setg(&error_fatal),
as suggested by the "qapi/error.h" documentation:
Please don't error_setg(&error_fatal, ...), use error_report() and
exit(), because that's more obvious.
This fixes CID 1352173:
"Passing null pointer dt_name to qemu_fdt_node_path, which dereferences it."
And this also fixes:
hw/arm/sysbus-fdt.c:322:9: warning: Array access (from variable 'node_path') results in a null pointer dereference
if (node_path[1]) {
^~~~~~~~~~~~
Fixes: Coverity CID 1352173 (Dereference after null check)
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20180625165749.3910-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use assert() instead of error_setg(&error_abort),
as suggested by the "qapi/error.h" documentation:
Please don't error_setg(&error_fatal, ...), use error_report() and
exit(), because that's more obvious.
Likewise, don't error_setg(&error_abort, ...), use assert().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: John Snow <jsnow@redhat.com>
Message-id: 20180625165749.3910-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[Fixed lx -> PRIx64 as suggested by Philippe.
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Suggested-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Per the Physical Layer Simplified Spec. "5.3 CSD Register":
"The maximum block length might therefore be in the range 512...2048 bytes"
Therefore 3 hexdigits are enough to report the block length.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add an optional paramter num_queues for device, and set it
to 64 by default.
Signed-off-by: Weiping Zhang <zhangweiping@didichuxing.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The error handling policy was traditionally set with -drive, but with
-blockdev it is no longer possible to set frontend options. scsi-disk
(and other block devices) have long supported qdev properties to
configure the error handling policy, so let's add these options to
usb-storage as well and just forward them to the internal scsi-disk
instance.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
The VPD Block Limits Inquiry page is optional, allowing SCSI devices
to not implement it. This is the case for devices like the MegaRAID
SAS 9361-8i and Microsemi PM8069.
In case of SCSI passthrough, the response of this request is used by
the QEMU SCSI layer to set the max_io_sectors that the guest
device will support, based on the value of the max_sectors_kb that
the device has set in the host at that time. Without this response,
the guest kernel is free to assume any value of max_io_sectors
for the SCSI device. If this value is greater than the value from
the host, SCSI Sense errors will occur because the guest will send
read/write requests that are larger than the underlying host device
is configured to support. An example of this behavior can be seen
in [1].
A workaround is to set the max_sectors_kb host value back in the guest
kernel (a process that can be automated using rc.local startup scripts
and the like), but this has several drawbacks:
- it can be troublesome if the guest has many passthrough devices that
needs this tuning;
- if a change in max_sectors_kb is made in the host side, manual change
in the guests will also be required;
- during an OS install it is difficult, and sometimes not possible, to
go to a terminal and change the max_sectors_kb prior to the installation.
This means that the disk can't be used during the install process. The
easiest alternative here is to roll back to scsi-hd, install the guest
and then go back to SCSI passthrough when the installation is done and
max_sectors_kb can be set.
An easier way would be to QEMU handle the absence of the Block Limits
VPD device response, setting max_io_sectors accordingly and allowing
the guest to use the device without the hassle.
This patch adds emulation of the Block Limits VPD response for
SCSI passthrough devices of type TYPE_DISK that doesn't support
it. The following changes were made:
- scsi_handle_inquiry_reply will now check the available VPD
pages from the Inquiry EVPD reply. In case the device does not
- a new function called scsi_generic_set_vpd_bl_emulation,
that is called during device realize, was created to set a
new flag 'needs_vpd_bl_emulation' of the device. This function
retrieves the Inquiry EVPD response of the device to check for
VPD BL support.
- scsi_handle_inquiry_reply will now check the available VPD
pages from the Inquiry EVPD reply in case the device needs
VPD BL emulation, adding the Block Limits page (0xb0) to
the list. This will make the guest kernel aware of the
support that we're now providing by emulation.
- a new function scsi_emulate_block_limits creates the
emulated Block Limits response. This function is called
inside scsi_read_complete in case the device requires
Block Limits VPD emulation and we detected a SCSI Sense
error in the VPD Block Limits reply that was issued
from the guest kernel to the device. This error is
expected: we're reporting support from our side, but
the device isn't aware of it.
With this patch, the guest now queries the Block Limits
page during the device configuration because it is being
advertised in the Supported Pages response. It will either
receive the Block Limits page from the hardware, if it supports
it, or will receive an emulated response from QEMU. At any rate,
the guest now has the information to set the max_sectors_kb
parameter accordingly, sparing the user of SCSI sense errors
that would happen without the emulated response and in the
absence of Block Limits support from the hardware.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1566195
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1566195
Reported-by: Dac Nguyen <dacng@us.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20180627172432.11120-4-danielhb413@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
For the VPD Block Limits emulation with SCSI passthrough,
we'll issue an Inquiry request with EVPD set to retrieve
the available VPD pages of the device. This would be done in
a way similar of what scsi_generic_read_device_identification
does: create a SCSI command and a reply buffer, fill in the
sg_io_hdr_t structure, call blk_ioctl, check if an error
occurred, process the response.
This same process is done in other 2 functions, get_device_type
and get_stream_blocksize. They differ in the command/reply
buffer and post-processing, everything else is almost a
copy/paste.
Instead of adding a forth copy/pasted-ish code when adding
the passthrough VPD BL emulation, this patch extirpates
this repetition of those 3 functions and put it into
a new one called scsi_SG_IO_FROM_DEV. Any future code that
wants to execute an SG_DXFER_FROM_DEV to the device can
use it, avoiding filling sg_io_hdr_t again and et cetera.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20180627172432.11120-3-danielhb413@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
To add support for the emulation of Block Limits VPD page
for passthrough devices, a few adjustments in the current code
base is required to avoid repetition and improve clarity.
In scsi-generic.c, detach the Inquiry handling from
scsi_read_complete and put it into a new function called
scsi_handle_inquiry_reply. This change aims to avoid
cluttering of scsi_read_complete when we more logic in the
Inquiry response handling is added in the next patches,
centralizing the changes in the new function.
In scsi-disk.c, take the build of all emulated VPD pages
from scsi_disk_emulate_inquiry and make it available to
other files into a non-static function called
scsi_disk_emulate_vpd_page. Making it public will allow
the future VPD BL emulation code for passthrough devices
to use it from scsi-generic.c, avoiding copy/pasting this
code solely for that purpose. It also has the advantage of
providing emulation of all VPD pages in case we need to
emulate other pages in other scenarios. As a bonus,
scsi_disk_emulate_inquiry got tidier.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20180627172432.11120-2-danielhb413@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Comparisons of mode_t with -1 require an explicit cast, since mode_t
is unsigned on Darwin.
Signed-off-by: Keno Fischer <keno@juliacomputing.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
