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16 months agotests/qtest/libqos/e1000e: Export macreg functions
Akihiko Odaki [Thu, 23 Feb 2023 10:50:54 +0000 (19:50 +0900)]
tests/qtest/libqos/e1000e: Export macreg functions

They will be useful for igb testing.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agotests/qtest/e1000e-test: Fabricate ethernet header
Akihiko Odaki [Thu, 23 Feb 2023 10:50:53 +0000 (19:50 +0900)]
tests/qtest/e1000e-test: Fabricate ethernet header

e1000e understands ethernet header so fabricate something convincing.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoIntrdocue igb device emulation
Akihiko Odaki [Thu, 9 Mar 2023 03:54:57 +0000 (11:54 +0800)]
Intrdocue igb device emulation

This change introduces emulation for the Intel 82576 adapter, AKA igb.
The details of the device will be provided by the documentation that
will follow this change.

This initial implementation of igb does not cover the full feature set,
but it selectively implements changes necessary to pass tests of Linut
Test Project, and Windows HLK. The below is the list of the implemented
changes; anything not listed here is not implemented:

New features:
- igb advanced descriptor handling
- Support of 16 queues
- SRRCTL.BSIZEPACKET register field
- SRRCTL.RDMTS register field
- Tx descriptor completion writeback
- Extended RA registers
- VMDq feature
    - MRQC "Multiple Receive Queues Enable" register field
    - DTXSWC.Loopback_en register field
    - VMOLR.ROMPE register field
    - VMOLR.AUPE register field
    - VLVF.VLAN_id register field
    - VLVF.VI_En register field
- VF
    - Mailbox
    - Reset
- Extended interrupt registers
- Default values for IGP01E1000 PHY registers

Removed features:
- e1000e extended descriptor
- e1000e packet split descriptor
- Legacy descriptor
- PHY register paging
- MAC Registers
    - Legacy interrupt timer registers
    - Legacy EEPROM registers
    - PBA/POEM registers
    - RSRPD register
    - RFCTL.ACKDIS
    - RCTL.DTYPE
- Copper PHY registers

Misc:
- VET register format
- ICR register format

Signed-off-by: Gal Hammer <gal.hammer@sap.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
[Jason: don't abort on msi(x)_init()]
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Split header files
Akihiko Odaki [Thu, 23 Feb 2023 10:50:51 +0000 (19:50 +0900)]
e1000: Split header files

Some definitions in the header files are invalid for igb so extract
them to new header files to keep igb from referring to them.

Signed-off-by: Gal Hammer <gal.hammer@sap.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agopcie: Introduce pcie_sriov_num_vfs
Akihiko Odaki [Thu, 23 Feb 2023 10:50:50 +0000 (19:50 +0900)]
pcie: Introduce pcie_sriov_num_vfs

igb can use this function to change its behavior depending on the
number of virtual functions currently enabled.

Signed-off-by: Gal Hammer <gal.hammer@sap.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agonet/eth: Introduce EthL4HdrProto
Akihiko Odaki [Thu, 23 Feb 2023 10:50:49 +0000 (19:50 +0900)]
net/eth: Introduce EthL4HdrProto

igb, a new network device emulation, will need SCTP checksum offloading.
Currently eth_get_protocols() has a bool parameter for each protocol
currently it supports, but there will be a bit too many parameters if
we add yet another protocol.

Introduce an enum type, EthL4HdrProto to represent all L4 protocols
eth_get_protocols() support with one parameter.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Implement system clock
Akihiko Odaki [Thu, 23 Feb 2023 10:20:18 +0000 (19:20 +0900)]
e1000e: Implement system clock

The system clock is necessary to implement PTP features. While we are
not implementing PTP features for e1000e yet, we do have a plan to
implement them for igb, a new network device derived from e1000e,
so add system clock to the common base first.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agonet/eth: Report if headers are actually present
Akihiko Odaki [Thu, 23 Feb 2023 10:20:17 +0000 (19:20 +0900)]
net/eth: Report if headers are actually present

The values returned by eth_get_protocols() are used to perform RSS,
checksumming and segmentation. Even when a packet signals the use of the
protocols which these operations can be applied to, the headers for them
may not be present because of too short packet or fragmentation, for
example. In such a case, the operations cannot be applied safely.

Report the presence of headers instead of whether the use of the
protocols are indicated with eth_get_protocols(). This also makes
corresponding changes to the callers of eth_get_protocols() to match
with its new signature and to remove redundant checks for fragmentation.

Fixes: 75020a7021 ("Common definitions for VMWARE devices")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Count CRC in Tx statistics
Akihiko Odaki [Thu, 23 Feb 2023 10:20:16 +0000 (19:20 +0900)]
e1000e: Count CRC in Tx statistics

The datasheet 8.19.29 "Good Packets Transmitted Count - GPTC (0x04080;
RC)" says:
> This register counts the number of good (no errors) packets
> transmitted. A good transmit packet is considered one that is 64 or
> more bytes in length (from <Destination Address> through <CRC>,
> inclusively) in length.

It also says similar for the other Tx statistics registers. Add the
number of bytes for CRC to those registers.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Count CRC in Tx statistics
Akihiko Odaki [Thu, 23 Feb 2023 10:20:15 +0000 (19:20 +0900)]
e1000: Count CRC in Tx statistics

The Software Developer's Manual 13.7.4.5 "Packets Transmitted (64 Bytes)
Count" says:
> This register counts the number of packets transmitted that are
> exactly 64 bytes (from <Destination Address> through <CRC>,
> inclusively) in length.

It also says similar for the other Tx statistics registers. Add the
number of bytes for CRC to those registers.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Combine rx traces
Akihiko Odaki [Thu, 23 Feb 2023 10:20:14 +0000 (19:20 +0900)]
e1000e: Combine rx traces

Whether a packet will be written back to the guest depends on the
remaining space of the queue. Therefore, e1000e_rx_written_to_guest and
e1000e_rx_not_written_to_guest should log the index of the queue instead
of generated interrupts. This also removes the need of
e1000e_rx_rss_dispatched_to_queue, which logs the queue index.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoMAINTAINERS: Add e1000e test files
Akihiko Odaki [Thu, 23 Feb 2023 10:20:13 +0000 (19:20 +0900)]
MAINTAINERS: Add e1000e test files

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoMAINTAINERS: Add Akihiko Odaki as a e1000e reviewer
Akihiko Odaki [Thu, 23 Feb 2023 10:20:12 +0000 (19:20 +0900)]
MAINTAINERS: Add Akihiko Odaki as a e1000e reviewer

I want to know to be notified when there is a new change for e1000e
as e1000e is similar to igb and such a change may also be applicable for
igb.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Do not assert when MSI-X is disabled later
Akihiko Odaki [Thu, 23 Feb 2023 10:20:11 +0000 (19:20 +0900)]
e1000e: Do not assert when MSI-X is disabled later

Assertions will fail if MSI-X gets disabled while a timer for MSI-X
interrupts is running so remove them to avoid abortions. Fortunately,
nothing bad happens even if the assertions won't trigger as
msix_notify(), called by timer handlers, does nothing when MSI-X is
disabled.

This bug was found by Alexander Bulekov when fuzzing igb, a new
device implementation derived from e1000e:
https://patchew.org/QEMU/20230129053316.1071513-1-alxndr@bu.edu/

The fixed test case is:
fuzz/crash_aea040166819193cf9fedb810c6d100221da721a

Fixes: 6f3fbe4ed0 ("net: Introduce e1000e device emulation")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agohw/net/net_tx_pkt: Check the payload length
Akihiko Odaki [Thu, 23 Feb 2023 10:20:10 +0000 (19:20 +0900)]
hw/net/net_tx_pkt: Check the payload length

Check the payload length if checksumming to ensure the payload contains
the space for the resulting value.

This bug was found by Alexander Bulekov with the fuzzer:
https://patchew.org/QEMU/20230129053316.1071513-1-alxndr@bu.edu/

The fixed test case is:
fuzz/crash_6aeaa33e7211ecd603726c53e834df4c6d1e08bc

Fixes: e263cd49c7 ("Packet abstraction for VMWARE network devices")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agohw/net/net_tx_pkt: Implement TCP segmentation
Akihiko Odaki [Thu, 23 Feb 2023 10:20:09 +0000 (19:20 +0900)]
hw/net/net_tx_pkt: Implement TCP segmentation

There was no proper implementation of TCP segmentation before this
change, and net_tx_pkt relied solely on IPv4 fragmentation. Not only
this is not aligned with the specification, but it also resulted in
corrupted IPv6 packets.

This is particularly problematic for the igb, a new proposed device
implementation; igb provides loopback feature for VMDq and the feature
relies on software segmentation.

Implement proper TCP segmentation in net_tx_pkt to fix such a scenario.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Perform software segmentation for loopback
Akihiko Odaki [Thu, 23 Feb 2023 10:20:08 +0000 (19:20 +0900)]
e1000e: Perform software segmentation for loopback

e1000e didn't perform software segmentation for loopback if virtio-net
header is enabled, which is wrong.

To fix the problem, introduce net_tx_pkt_send_custom(), which allows the
caller to specify whether offloading should be assumed or not.

net_tx_pkt_send_custom() also allows the caller to provide a custom
sending function. Packets with virtio-net headers and ones without
virtio-net headers will be provided at the same time so the function
can choose the preferred version. In case of e1000e loopback, it prefers
to have virtio-net headers as they allows to skip the checksum
verification if VIRTIO_NET_HDR_F_DATA_VALID is set.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agohw/net/net_rx_pkt: Remove net_rx_pkt_has_virt_hdr
Akihiko Odaki [Thu, 23 Feb 2023 10:20:07 +0000 (19:20 +0900)]
hw/net/net_rx_pkt: Remove net_rx_pkt_has_virt_hdr

When virtio-net header is not set, net_rx_pkt_get_vhdr() returns
zero-filled virtio_net_hdr, which is actually valid. In fact, tap device
uses zero-filled virtio_net_hdr when virtio-net header is not provided
by the peer. Therefore, we can just remove net_rx_pkt_has_virt_hdr() and
always assume NetTxPkt has a valid virtio-net header.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agohw/net/net_tx_pkt: Automatically determine if virtio-net header is used
Akihiko Odaki [Thu, 23 Feb 2023 10:20:06 +0000 (19:20 +0900)]
hw/net/net_tx_pkt: Automatically determine if virtio-net header is used

The new function qemu_get_using_vnet_hdr() allows to automatically
determine if virtio-net header is used.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agonet: Strip virtio-net header when dumping
Akihiko Odaki [Thu, 23 Feb 2023 10:20:05 +0000 (19:20 +0900)]
net: Strip virtio-net header when dumping

filter-dump specifiees Ethernet as PCAP LinkType, which does not expect
virtio-net header. Having virtio-net header in such PCAP file breaks
PCAP unconsumable. Unfortunately currently there is no LinkType for
virtio-net so for now strip virtio-net header to convert the output to
Ethernet.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000x: Alter the signature of e1000x_is_vlan_packet
Akihiko Odaki [Thu, 23 Feb 2023 10:20:04 +0000 (19:20 +0900)]
e1000x: Alter the signature of e1000x_is_vlan_packet

e1000x_is_vlan_packet() had a pointer to uint8_t as a parameter, but
it does not have to be uint8_t. Change the type to void *.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agonet: Check L4 header size
Akihiko Odaki [Thu, 23 Feb 2023 10:20:03 +0000 (19:20 +0900)]
net: Check L4 header size

net_tx_pkt_build_vheader() inspects TCP header but had no check for
the header size, resulting in an undefined behavior. Check the header
size and drop the packet if the header is too small.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Remove extra pointer indirection
Akihiko Odaki [Thu, 23 Feb 2023 10:20:02 +0000 (19:20 +0900)]
e1000e: Remove extra pointer indirection

e1000e_write_packet_to_guest() passes the reference of variable ba as a
pointer to an array, and that pointer indirection is just unnecessary;
all functions which uses the passed reference performs no pointer
operation on the pointer and they simply dereference the passed
pointer. Remove the extra pointer indirection.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Set MII_ANER_NWAY
Akihiko Odaki [Thu, 23 Feb 2023 10:20:01 +0000 (19:20 +0900)]
e1000e: Set MII_ANER_NWAY

This keeps Windows driver 12.18.9.23 from generating an event with ID
30. The description of the event is as follows:
> Intel(R) 82574L Gigabit Network Connection
>  PROBLEM: The network adapter is configured for auto-negotiation but
> the link partner is not.  This may result in a duplex mismatch.
>  ACTION: Configure the link partner for auto-negotiation.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Introduce e1000_rx_desc_union
Akihiko Odaki [Thu, 23 Feb 2023 10:20:00 +0000 (19:20 +0900)]
e1000e: Introduce e1000_rx_desc_union

Before this change, e1000e_write_packet_to_guest() allocated the
receive descriptor buffer as an array of uint8_t. This does not ensure
the buffer is sufficiently aligned.

Introduce e1000_rx_desc_union type, a union type of all receive
descriptor types to correct this.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Configure ResettableClass
Akihiko Odaki [Thu, 23 Feb 2023 10:19:59 +0000 (19:19 +0900)]
e1000e: Configure ResettableClass

This is part of recent efforts of refactoring e1000 and e1000e.

DeviceClass's reset member is deprecated so migrate to ResettableClass.
There is no behavioral difference.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Configure ResettableClass
Akihiko Odaki [Thu, 23 Feb 2023 10:19:58 +0000 (19:19 +0900)]
e1000: Configure ResettableClass

This is part of recent efforts of refactoring e1000 and e1000e.

DeviceClass's reset member is deprecated so migrate to ResettableClass.
There is no behavioral difference.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Improve software reset
Akihiko Odaki [Thu, 23 Feb 2023 10:19:57 +0000 (19:19 +0900)]
e1000e: Improve software reset

This change makes e1000e reset more things when software reset was
triggered. Some registers are exempted from software reset in the
datasheet and this change also implements the behavior accordingly.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Remove pending interrupt flags
Akihiko Odaki [Thu, 23 Feb 2023 10:19:56 +0000 (19:19 +0900)]
e1000e: Remove pending interrupt flags

They are duplicate of running throttling timer flags and incomplete as
the flags are not cleared when the interrupts are fired or the device is
reset.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Use memcpy to intialize registers
Akihiko Odaki [Thu, 23 Feb 2023 10:19:55 +0000 (19:19 +0900)]
e1000e: Use memcpy to intialize registers

Use memcpy instead of memmove to initialize registers. The initial
register templates and register table instances will never overlap.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Use memcpy to intialize registers
Akihiko Odaki [Thu, 23 Feb 2023 10:19:54 +0000 (19:19 +0900)]
e1000: Use memcpy to intialize registers

Use memcpy instead of memmove to initialize registers. The initial
register templates and register table instances will never overlap.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Use more constant definitions
Akihiko Odaki [Thu, 23 Feb 2023 10:19:53 +0000 (19:19 +0900)]
e1000e: Use more constant definitions

The definitions of SW Semaphore Register were copied from:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/net/ethernet/intel/e1000e/defines.h?h=v6.0.9#n374

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Use more constant definitions
Akihiko Odaki [Thu, 23 Feb 2023 10:19:52 +0000 (19:19 +0900)]
e1000: Use more constant definitions

The definitions for E1000_VFTA_ENTRY_SHIFT, E1000_VFTA_ENTRY_MASK, and
E1000_VFTA_ENTRY_BIT_SHIFT_MASK were copied from:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/net/ethernet/intel/e1000/e1000_hw.h?h=v6.0.9#n306

The definitions for E1000_NUM_UNICAST, E1000_MC_TBL_SIZE, and
E1000_VLAN_FILTER_TBL_SIZE were copied from:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/net/ethernet/intel/e1000/e1000_hw.h?h=v6.0.9#n707

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Mask registers when writing
Akihiko Odaki [Thu, 23 Feb 2023 10:19:51 +0000 (19:19 +0900)]
e1000e: Mask registers when writing

When a register has effective bits fewer than their width, the old code
inconsistently masked when writing or reading. Make the code consistent
by always masking when writing, and remove some code duplication.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Introduce E1000E_LOW_BITS_SET_FUNC
Akihiko Odaki [Thu, 23 Feb 2023 10:19:50 +0000 (19:19 +0900)]
e1000e: Introduce E1000E_LOW_BITS_SET_FUNC

e1000e_set_16bit and e1000e_set_12bit look so similar so define a
generic macro.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Mask registers when writing
Akihiko Odaki [Thu, 23 Feb 2023 10:19:49 +0000 (19:19 +0900)]
e1000: Mask registers when writing

When a register has effective bits fewer than their width, the old code
inconsistently masked when writing or reading. Make the code consistent
by always masking when writing, and remove some code duplication.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000: Use hw/net/mii.h
Akihiko Odaki [Thu, 23 Feb 2023 10:19:48 +0000 (19:19 +0900)]
e1000: Use hw/net/mii.h

hw/net/mii.h provides common definitions for MII.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agofsl_etsec: Use hw/net/mii.h
Akihiko Odaki [Thu, 23 Feb 2023 10:19:47 +0000 (19:19 +0900)]
fsl_etsec: Use hw/net/mii.h

hw/net/mii.h provides common definitions for MII.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agohw/net: Add more MII definitions
Akihiko Odaki [Thu, 23 Feb 2023 10:19:46 +0000 (19:19 +0900)]
hw/net: Add more MII definitions

The definitions will be used by igb.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoe1000e: Fix the code style
Akihiko Odaki [Thu, 23 Feb 2023 10:19:45 +0000 (19:19 +0900)]
e1000e: Fix the code style

igb implementation first starts off by copying e1000e code. Correct the
code style before that.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
16 months agoMerge tag 'qemu-openbios-20230307' of https://github.com/mcayland/qemu into staging
Peter Maydell [Thu, 9 Mar 2023 16:55:03 +0000 (16:55 +0000)]
Merge tag 'qemu-openbios-20230307' of https://github.com/mcayland/qemu into staging

qemu-openbios queue

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# gpg: Signature made Tue 07 Mar 2023 23:49:55 GMT
# gpg:                using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg:                issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [full]
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C  C9C4 5BC2 C56F AE0F 321F

* tag 'qemu-openbios-20230307' of https://github.com/mcayland/qemu:
  roms/openbios: update OpenBIOS images to af97fd7a built from submodule

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agoMerge tag 'pull-gdbstub-070323-3' of https://gitlab.com/stsquad/qemu into staging
Peter Maydell [Thu, 9 Mar 2023 16:54:51 +0000 (16:54 +0000)]
Merge tag 'pull-gdbstub-070323-3' of https://gitlab.com/stsquad/qemu into staging

gdbstub refactor:

  - split user and softmmu code
  - use cleaner headers for tb_flush, target_ulong
  - probe for gdb multiarch support at configure
  - make syscall handling target independent
  - add update guest debug of accel ops

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# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-gdbstub-070323-3' of https://gitlab.com/stsquad/qemu: (30 commits)
  gdbstub: move update guest debug to accel ops
  gdbstub: Build syscall.c once
  stubs: split semihosting_get_target from system only stubs
  gdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t
  gdbstub: Remove gdb_do_syscallv
  gdbstub: split out softmmu/user specifics for syscall handling
  include: split target_long definition from cpu-defs
  testing: probe gdb for supported architectures ahead of time
  gdbstub: only compile gdbstub twice for whole build
  gdbstub: move syscall handling to new file
  gdbstub: move register helpers into standalone include
  gdbstub: don't use target_ulong while handling registers
  gdbstub: fix address type of gdb_set_cpu_pc
  gdbstub: specialise stub_can_reverse
  gdbstub: introduce gdb_get_max_cpus
  gdbstub: specialise target_memory_rw_debug
  gdbstub: specialise handle_query_attached
  gdbstub: abstract target specific details from gdb_put_packet_binary
  gdbstub: rationalise signal mapping in softmmu
  gdbstub: move chunks of user code into own files
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agoMerge tag 'vfio-updates-20230307.1' of https://gitlab.com/alex.williamson/qemu into...
Peter Maydell [Thu, 9 Mar 2023 15:19:44 +0000 (15:19 +0000)]
Merge tag 'vfio-updates-20230307.1' of https://gitlab.com/alex.williamson/qemu into staging

VFIO updates for 8.0

 * Device level dirty page tracking support for vfio migration, as well as
   various cleanups and consolidations. (Avihai Horon, Joao Martins)

 * Trivial cleanup of migration entry points. (Alex Williamson)

 * Fix trace event typo. (Cédric Le Goater)

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# gpg: Signature made Tue 07 Mar 2023 18:19:17 GMT
# gpg:                using RSA key 42F6C04E540BD1A99E7B8A90239B9B6E3BB08B22
# gpg:                issuer "alex.williamson@redhat.com"
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" [full]
# gpg:                 aka "Alex Williamson <alex@shazbot.org>" [full]
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>" [full]
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>" [full]
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* tag 'vfio-updates-20230307.1' of https://gitlab.com/alex.williamson/qemu:
  vfio: Fix vfio_get_dev_region() trace event
  vfio/migration: Rename entry points
  docs/devel: Document VFIO device dirty page tracking
  vfio/migration: Query device dirty page tracking support
  vfio/migration: Block migration with vIOMMU
  vfio/common: Add device dirty page bitmap sync
  vfio/common: Extract code from vfio_get_dirty_bitmap() to new function
  vfio/common: Add device dirty page tracking start/stop
  vfio/common: Record DMA mapped IOVA ranges
  vfio/common: Add helper to consolidate iova/end calculation
  vfio/common: Consolidate skip/invalid section into helper
  vfio/common: Use a single tracepoint for skipped sections
  vfio/common: Add helper to validate iova/end against hostwin
  vfio/common: Add VFIOBitmap and alloc function
  vfio/common: Abort migration if dirty log start/stop/sync fails
  vfio/common: Fix wrong %m usages
  vfio/common: Fix error reporting in vfio_get_dirty_bitmap()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agoMerge tag 'pull-request-2023-03-07' of https://gitlab.com/thuth/qemu into staging
Peter Maydell [Thu, 9 Mar 2023 15:19:30 +0000 (15:19 +0000)]
Merge tag 'pull-request-2023-03-07' of https://gitlab.com/thuth/qemu into staging

* Refine the distro support policy
* Deprecate 32-bit x86 and arm hosts for system emulation
* Check bison version to be >= 3.0
* Compile vnc test only if vnc is really enabled
* Check docs/config/ich9-ehci-uhci.cfg via the readconfig-test
* s390x: Add support for list-directed IPL from ECKD DASD

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# gpg: Signature made Wed 08 Mar 2023 07:58:53 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-03-07' of https://gitlab.com/thuth/qemu:
  pc-bios/s390-ccw: Update s390-ccw.img with the list-directed IPL fix
  pc-bios: Add support for List-Directed IPL from ECKD DASD
  docs/config: Set the "kvm" accelerator via "[accel]" section
  tests/qtest/readconfig: Test docs/config/ich9-ehci-uhci.cfg
  tests/qtest/readconfig: Rework test_object_rng_resp into a generic function
  gitlab-ci.d/crossbuilds: Drop the 32-bit arm system emulation jobs
  docs/about/deprecated: Deprecate 32-bit arm hosts for system emulation
  gitlab-ci.d/crossbuilds: Drop the i386 system emulation job
  docs/about/deprecated: Deprecate 32-bit x86 hosts for system emulation
  include/hw/i386: Clean up includes in x86.h
  test: Check vnc enable before compiling vnc test
  Hexagon (meson.build): define min bison version
  docs/about/build-platforms: Refine the distro support policy

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agoMerge tag 'xenfv-2' of git://git.infradead.org/users/dwmw2/qemu into staging
Peter Maydell [Thu, 9 Mar 2023 13:22:05 +0000 (13:22 +0000)]
Merge tag 'xenfv-2' of git://git.infradead.org/users/dwmw2/qemu into staging

Enable PV backends with Xen/KVM emulation

This is phase 2, following on from the basic platform support which was
already merged.

 • Add a simple single-tenant internal XenStore implementation
 • Indirect Xen gnttab/evtchn/foreignmem/xenstore through operations table
 • Provide emulated back ends for Xen operations
 • Header cleanups to allow PV back ends to build without Xen itself
 • Enable PV back ends in emulated mode
 • Documentation update

Tested-by: Paul Durrant <paul@xen.org>
... on real Xen (master branch, 4.18) with a Debian guest.

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# gpg:                issuer "dwmw@amazon.co.uk"
# gpg: Good signature from "David Woodhouse <dwmw@amazon.co.uk>" [unknown]
# gpg:                 aka "David Woodhouse <dwmw@amazon.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 314B 08AC D0DE 4811 33A5  F286 9BE9 80FD 0AC0 1544

* tag 'xenfv-2' of git://git.infradead.org/users/dwmw2/qemu: (27 commits)
  docs: Update Xen-on-KVM documentation for PV disk support
  MAINTAINERS: Add entry for Xen on KVM emulation
  i386/xen: Initialize Xen backends from pc_basic_device_init() for emulation
  hw/xen: Implement soft reset for emulated gnttab
  hw/xen: Map guest XENSTORE_PFN grant in emulated Xenstore
  hw/xen: Add emulated implementation of XenStore operations
  hw/xen: Add emulated implementation of grant table operations
  hw/xen: Hook up emulated implementation for event channel operations
  hw/xen: Only advertise ring-page-order for xen-block if gnttab supports it
  hw/xen: Avoid crash when backend watch fires too early
  hw/xen: Build PV backend drivers for CONFIG_XEN_BUS
  hw/xen: Rename xen_common.h to xen_native.h
  hw/xen: Use XEN_PAGE_SIZE in PV backend drivers
  hw/xen: Move xenstore_store_pv_console_info to xen_console.c
  hw/xen: Add xenstore operations to allow redirection to internal emulation
  hw/xen: Add foreignmem operations to allow redirection to internal emulation
  hw/xen: Pass grant ref to gnttab unmap operation
  hw/xen: Add gnttab operations to allow redirection to internal emulation
  hw/xen: Add evtchn operations to allow redirection to internal emulation
  hw/xen: Create initial XenStore nodes
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agoMerge tag 'pull-aspeed-20230307' of https://github.com/legoater/qemu into staging
Peter Maydell [Thu, 9 Mar 2023 10:23:05 +0000 (10:23 +0000)]
Merge tag 'pull-aspeed-20230307' of https://github.com/legoater/qemu into staging

aspeed queue:

* Small adjustments for the newest Meta machines
* blk_pread_nonzeroes() fix required for pflash and m25p80 devices
* Improve error reporting on file size for m25p80 devices

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# gpg: Signature made Tue 07 Mar 2023 15:54:23 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-aspeed-20230307' of https://github.com/legoater/qemu:
  hw/arm/aspeed: Modified BMC FRU byte data in yosemitev2
  hw/arm/aspeed: Added TMP421 type sensor's support in tiogapass
  hw/arm/aspeed: Added TMP421 type sensor's support in yosemitev2
  pflash: Fix blk_pread_nonzeroes()
  m25p80: Improve error when the backend file size does not match the device

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agoMerge tag 'mips-misc-20230308' of https://github.com/philmd/qemu into staging
Peter Maydell [Thu, 9 Mar 2023 10:22:49 +0000 (10:22 +0000)]
Merge tag 'mips-misc-20230308' of https://github.com/philmd/qemu into staging

MIPS (and few misc) patches

- MIPS
  - Remove obsolete "mips" board from target-mips.rst
  - Fix JALS32/J32/SWM32 instructions for microMIPS
  - Fix CP0.Config7.WII handling on pre-R6 cores

- HW
  - Revert "Remove intermediate IRQ forwarder" commits
  - Implement legacy LTIM Edge/Level Bank Select in Intel 8259 INTC
  - Improve PCI IRQ routing in VT82C686 / Pegasos II
  - Basic implementation of VIA AC97 audio playback
  - Implement 'resume on connection status change' in USB OHCI

- UI
  - Override windowDidResignKey

- memory
  - Dump HPA and access type in HMP 'info ramblock'

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# gpg: Signature made Tue 07 Mar 2023 23:45:03 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'mips-misc-20230308' of https://github.com/philmd/qemu:
  log: Remove unneeded new line
  memory: Dump HPA and access type of ramblocks
  ui/cocoa: Override windowDidResignKey
  hw/usb/ohci: Implement resume on connection status change
  hw/audio/via-ac97: Basic implementation of audio playback
  hw/usb/vt82c686-uhci-pci: Use PCI IRQ routing
  hw/ppc/pegasos2: Fix PCI interrupt routing
  hw/isa/vt82c686: Implement PCI IRQ routing
  hw/intc/i8259: Implement legacy LTIM Edge/Level Bank Select
  hw/display/sm501: Add debug property to control pixman usage
  Revert "hw/isa/vt82c686: Remove intermediate IRQ forwarder"
  Revert "hw/isa/i82378: Remove intermediate IRQ forwarder"
  hw/mips/itu: Pass SAAR using QOM link property
  hw/mips: Declare all length properties as unsigned
  target/mips: Set correct CP0.Config[4, 5] values for M14K(c)
  target/mips: Implement CP0.Config7.WII bit support
  target/mips: Fix SWM32 handling for microMIPS
  target/mips: Fix JALS32/J32 instruction handling for microMIPS
  target/mips: Replace [g_]assert(0) -> g_assert_not_reached()
  docs/system: Remove "mips" board from target-mips.rst

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16 months agopc-bios/s390-ccw: Update s390-ccw.img with the list-directed IPL fix
Thomas Huth [Mon, 6 Mar 2023 11:05:10 +0000 (12:05 +0100)]
pc-bios/s390-ccw: Update s390-ccw.img with the list-directed IPL fix

This update includes the list-directed IPL fix from Jared Rossi.

Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agopc-bios: Add support for List-Directed IPL from ECKD DASD
Jared Rossi [Tue, 21 Feb 2023 17:45:48 +0000 (12:45 -0500)]
pc-bios: Add support for List-Directed IPL from ECKD DASD

Check for a List Directed IPL Boot Record, which would supersede the CCW type
entries.  If the record is valid, proceed to use the new style pointers
and perform LD-IPL. Each block pointer is interpreted as either an LD-IPL
pointer or a legacy CCW pointer depending on the type of IPL initiated.

In either case CCW- or LD-IPL is transparent to the user and will boot the same
image regardless of which set of pointers is used. Because the interactive boot
menu is only written with the old style pointers, the menu will be disabled for
List Directed IPL from ECKD DASD.

If the LD-IPL fails, retry the IPL using the CCW type pointers.

If no LD-IPL boot record is found, simply perform CCW type IPL as usual.

Signed-off-by: Jared Rossi <jrossi@linux.ibm.com>
Message-Id: <20230221174548.1866861-2-jrossi@linux.ibm.com>
[thuth: Drop some superfluous parantheses]
Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agodocs/config: Set the "kvm" accelerator via "[accel]" section
Thomas Huth [Tue, 28 Feb 2023 21:15:30 +0000 (22:15 +0100)]
docs/config: Set the "kvm" accelerator via "[accel]" section

Configuring the accelerator should nowadays be done via the "-accel"
command line parameter, and thus via the "[accel]" section in config
files. We also need this change for the upcoming qtests that will
use these config files, since the qtests are already using "-accel"
for setting the "qtest" accelerator and QEMU does not like mixing
"-accel ..." and "-machine accel=...".

Message-Id: <20230228211533.201837-4-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agotests/qtest/readconfig: Test docs/config/ich9-ehci-uhci.cfg
Thomas Huth [Tue, 28 Feb 2023 21:15:29 +0000 (22:15 +0100)]
tests/qtest/readconfig: Test docs/config/ich9-ehci-uhci.cfg

We've got some sample config files in docs/config/ but no means
of regression checking them. Thus let's test them in our readconfig
qtest, starting with ich9-ehci-uhci.cfg. Note: To enable the test
to read the config files from the build folder, we have to install
a symlink for docs/config in the build directory.

Message-Id: <20230228211533.201837-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agotests/qtest/readconfig: Rework test_object_rng_resp into a generic function
Thomas Huth [Tue, 28 Feb 2023 21:15:28 +0000 (22:15 +0100)]
tests/qtest/readconfig: Rework test_object_rng_resp into a generic function

test_object_rng_resp() can be reworked quite easily to allow
testing for arbitrary objects in the qom-list response.

Message-Id: <20230228211533.201837-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agogitlab-ci.d/crossbuilds: Drop the 32-bit arm system emulation jobs
Thomas Huth [Mon, 6 Mar 2023 08:46:58 +0000 (09:46 +0100)]
gitlab-ci.d/crossbuilds: Drop the 32-bit arm system emulation jobs

Hardly anybody still uses 32-bit arm environments for running QEMU,
so let's stop wasting our scarce CI minutes with these jobs.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Message-Id: <20230306084658.29709-6-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agodocs/about/deprecated: Deprecate 32-bit arm hosts for system emulation
Thomas Huth [Mon, 6 Mar 2023 08:46:57 +0000 (09:46 +0100)]
docs/about/deprecated: Deprecate 32-bit arm hosts for system emulation

For running QEMU in system emulation mode, the user needs a rather
strong host system, i.e. not only an embedded low-frequency controller.
All recent beefy arm host machines should support 64-bit now, it's
unlikely that anybody is still seriously using QEMU on a 32-bit arm
CPU, so we deprecate the 32-bit arm hosts here to finally save use
some time and precious CI minutes.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Message-Id: <20230306084658.29709-5-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
16 months agolog: Remove unneeded new line
BALATON Zoltan [Thu, 19 Jan 2023 21:40:33 +0000 (22:40 +0100)]
log: Remove unneeded new line

The help text of the -d plugin option has a new line at the end which
is not needed as one is added automatically. Fixing it removes the
unexpected empty line in -d help output.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230119214033.600FB74645F@zero.eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agomemory: Dump HPA and access type of ramblocks
Ted Chen [Mon, 5 Dec 2022 12:07:12 +0000 (20:07 +0800)]
memory: Dump HPA and access type of ramblocks

It's convenient to dump HVA and RW/RO status of a ramblock in "info ramblock"
for debug purpose.

Before:
            Offset               Used              Total
0x0000000000000000 0x0000000400000000 0x0000000400000000

After:
            Offset               Used              Total                HVA  RO
0x0000000000000000 0x0000000400000000 0x0000000400000000 0x00007f12ebe00000  rw

Signed-off-by: Ted Chen <znscnchen@gmail.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221205120712.269013-1-znscnchen@gmail.com>
[PMD: Add uintptr_t cast for 32-bit hosts]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agoui/cocoa: Override windowDidResignKey
Akihiko Odaki [Tue, 28 Feb 2023 07:09:46 +0000 (16:09 +0900)]
ui/cocoa: Override windowDidResignKey

This fixes pressed keys being stuck when the deck is clicked and the
window loses focus.

In the past, Gustavo Noronha Silva also had a patch to fix this issue
though it only ungrabs mouse and does not release keys, and depends on
another out-of-tree patch:
https://github.com/akihikodaki/qemu/pull/3/commits/e906a80147b1dc6d4f31b6a08064ef9871a2b76c

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20230228070946.12370-1-akihiko.odaki@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/usb/ohci: Implement resume on connection status change
BALATON Zoltan [Mon, 20 Feb 2023 18:15:09 +0000 (19:15 +0100)]
hw/usb/ohci: Implement resume on connection status change

If certain bit is set remote wake up should change state from
suspended to resume and generate interrupt. There was a todo comment
for this, implement that by moving existing resume logic to a function
and call that.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <35c4d4ccf2f73e6a87cdbd28fb6a1b33de72ed74.1676916640.git.balaton@eik.bme.hu>
[PMD: Have ohci_resume() return a boolean]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/audio/via-ac97: Basic implementation of audio playback
BALATON Zoltan [Sun, 23 Jan 2022 20:40:42 +0000 (21:40 +0100)]
hw/audio/via-ac97: Basic implementation of audio playback

Add basic implementation of the AC'97 sound part used in VIA south
bridge chips. Not all features of the device is emulated, only one
playback channel is supported for now but this is enough to get sound
output from some guests using this device on pegasos2.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Message-Id: <63b99410895312f40e7be479f581da0805e605a1.1678188711.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/usb/vt82c686-uhci-pci: Use PCI IRQ routing
Bernhard Beschow [Sat, 25 Feb 2023 17:08:59 +0000 (18:08 +0100)]
hw/usb/vt82c686-uhci-pci: Use PCI IRQ routing

According to the PCI specification, PCI_INTERRUPT_LINE shall have no
effect on hardware operations. Now that the VIA south bridges implement
the internal PCI interrupt router let's be more conformant to the PCI
specification.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <9fb86a74d16db65e3aafbb154238d55e123053eb.1678188711.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/ppc/pegasos2: Fix PCI interrupt routing
BALATON Zoltan [Thu, 16 Feb 2023 20:27:32 +0000 (21:27 +0100)]
hw/ppc/pegasos2: Fix PCI interrupt routing

According to the PegasosII schematics the PCI interrupt lines are
connected to both the gpp pins of the Mv64361 north bridge and the
PINT pins of the VT8231 south bridge so guests can get interrupts from
either of these. So far we only had the MV64361 connections which
worked for on board devices but for additional PCI devices (such as
network or sound card added with -device) guest OSes expect interrupt
from the ISA IRQ 9 where the firmware routes these PCI interrupts in
VT8231 ISA bridge. After the previous patches we can now model this
and also remove the board specific connection from mv64361. Also
configure routing of these lines when using Virtual Open Firmware to
match board firmware for guests that expect this.

This fixes PCI interrupts on pegasos2 under Linux, MorphOS and AmigaOS.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Message-Id: <520ff9e6eeef600ee14a4116c0c7b11940cc499c.1678188711.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/isa/vt82c686: Implement PCI IRQ routing
BALATON Zoltan [Thu, 16 Feb 2023 20:21:35 +0000 (21:21 +0100)]
hw/isa/vt82c686: Implement PCI IRQ routing

The real VIA south bridges implement a PCI IRQ router which is configured
by the BIOS or the OS. In order to respect these configurations, QEMU
needs to implement it as well. The real chip may allow routing IRQs from
internal functions independently of PCI interrupts but since guests
usually configute it to a single shared interrupt we don't model that
here for simplicity.

Note: The implementation was taken from piix4_set_irq() in hw/isa/piix4.

Suggested-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Message-Id: <fbb016c7d0e19093335c237e15f5f6c62c4393b4.1678188711.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/intc/i8259: Implement legacy LTIM Edge/Level Bank Select
David Woodhouse [Thu, 2 Mar 2023 09:06:26 +0000 (10:06 +0100)]
hw/intc/i8259: Implement legacy LTIM Edge/Level Bank Select

Back in the mists of time, before EISA came along and required per-pin
level control in the ELCR register, the i8259 had a single chip-wide
level-mode control in bit 3 of ICW1.

Even in the PIIX3 datasheet from 1996 this is documented as 'This bit is
disabled', but apparently MorphOS is using it in the version of the
i8259 which is in the Pegasos2 board as part of the VT8231 chipset.

It's easy enough to implement, and I think it's harmless enough to do so
unconditionally.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
[balaton: updated commit message as asked by author]
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <3f09b2dd109d19851d786047ad5c2ff459c90cd7.1678188711.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/display/sm501: Add debug property to control pixman usage
BALATON Zoltan [Sat, 25 Feb 2023 22:46:16 +0000 (23:46 +0100)]
hw/display/sm501: Add debug property to control pixman usage

Add a property to allow disabling pixman and always use the fallbacks
for different operations which is useful for testing different drawing
methods or debugging pixman related issues.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Message-Id: <61768ffaefa71b65a657d1365823bd43c7ee9354.1678188711.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agoRevert "hw/isa/vt82c686: Remove intermediate IRQ forwarder"
BALATON Zoltan [Wed, 1 Mar 2023 00:17:08 +0000 (01:17 +0100)]
Revert "hw/isa/vt82c686: Remove intermediate IRQ forwarder"

To be 'usable', QDev objects (which are QOM objects) must be
1/ initialized (at this point their properties can be modified), then
2/ realized (properties are consumed).
Some devices (objects) might depend on other devices. When creating
the 'QOM composition tree', parent objects can't be 'realized' until
all their children are. We might also have circular dependencies.
A common circular dependency occurs with IRQs. Device (A) has an
output IRQ wired to device (B), and device (B) has one to device (A).
When (A) is realized and connects its IRQ to an unrealized (B), the
IRQ handler on (B) is not yet created. QEMU pass IRQ between objects
as pointer. When (A) poll (B)'s IRQ, it is NULL. Later (B) is realized
and its IRQ pointers are populated, but (A) keeps a reference to a
NULL pointer.
A common pattern to bypass this circular limitation is to use 'proxy'
objects. Proxy (P) is created (and realized) before (A) and (B). Then
(A) and (B) can be created in different order, it doesn't matter: (P)
pointers are already populated.

Commit bb98e0f59cde ("hw/isa/vt82c686: Remove intermediate IRQ
forwarder") neglected the QOM/QDev circular dependency issue, and
removed the 'proxy' between the southbridge, its PCI functions and the
interrupt controller, resulting in PCI functions wiring output IRQs to
'NULL', leading to guest failures (IRQ never delivered) [1] [2].

Since we are entering feature freeze, it is safer to revert the
offending patch until we figure a way to strengthen our APIs.

[1] https://lore.kernel.org/qemu-devel/928a8552-ab62-9e6c-a492-d6453e338b9d@redhat.com/
[2] https://lore.kernel.org/qemu-devel/cover.1677628524.git.balaton@eik.bme.hu/

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <cdfb3c5a42e505450f6803124f27856434c5b298.1677628524.git.balaton@eik.bme.hu>
[PMD: Reworded description]
Inspired-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agoRevert "hw/isa/i82378: Remove intermediate IRQ forwarder"
Philippe Mathieu-Daudé [Tue, 7 Mar 2023 11:10:08 +0000 (12:10 +0100)]
Revert "hw/isa/i82378: Remove intermediate IRQ forwarder"

To be 'usable', QDev objects (which are QOM objects) must be
1/ initialized (at this point their properties can be modified), then
2/ realized (properties are consumed).
Some devices (objects) might depend on other devices. When creating
the 'QOM composition tree', parent objects can't be 'realized' until
all their children are. We might also have circular dependencies.
A common circular dependency occurs with IRQs. Device (A) has an
output IRQ wired to device (B), and device (B) has one to device (A).
When (A) is realized and connects its IRQ to an unrealized (B), the
IRQ handler on (B) is not yet created. QEMU pass IRQ between objects
as pointer. When (A) poll (B)'s IRQ, it is NULL. Later (B) is realized
and its IRQ pointers are populated, but (A) keeps a reference to a
NULL pointer.
A common pattern to bypass this circular limitation is to use 'proxy'
objects. Proxy (P) is created (and realized) before (A) and (B). Then
(A) and (B) can be created in different order, it doesn't matter: (P)
pointers are already populated.

Commit cef2e7148e ("hw/isa/i82378: Remove intermediate IRQ forwarder")
neglected the QOM/QDev circular dependency issue, and removed the
'proxy' between the southbridge, its PCI functions and the interrupt
controller, resulting in PCI functions wiring output IRQs to
'NULL', leading to guest failures (IRQ never delivered) [1] [2].

Since we are entering feature freeze, it is safer to revert the
offending patch until we figure a way to strengthen our APIs.

[1] https://lore.kernel.org/qemu-devel/928a8552-ab62-9e6c-a492-d6453e338b9d@redhat.com/
[2] https://lore.kernel.org/qemu-devel/cover.1677628524.git.balaton@eik.bme.hu/

This reverts commit cef2e7148e32d61338de0220619d308bf42af770.

Reported-by: Thomas Huth <thuth@redhat.com>
Inspired-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agohw/mips/itu: Pass SAAR using QOM link property
Philippe Mathieu-Daudé [Thu, 2 Feb 2023 13:22:42 +0000 (14:22 +0100)]
hw/mips/itu: Pass SAAR using QOM link property

QOM objects shouldn't access each other internals fields
except using the QOM API.

mips_cps_realize() instantiates a TYPE_MIPS_ITU object, and
directly sets the 'saar' pointer:

   if (saar_present) {
       s->itu.saar = &env->CP0_SAAR;
   }

In order to avoid that, pass the MIPS_CPU object via a QOM
link property, and set the 'saar' pointer in mips_itu_realize().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20230203113650.78146-10-philmd@linaro.org>

16 months agohw/mips: Declare all length properties as unsigned
Philippe Mathieu-Daudé [Thu, 2 Feb 2023 09:46:45 +0000 (10:46 +0100)]
hw/mips: Declare all length properties as unsigned

Some length properties are signed, other unsigned:

  hw/mips/cps.c:183:    DEFINE_PROP_UINT32("num-vp", MIPSCPSState, num_vp, 1),
  hw/mips/cps.c:184:    DEFINE_PROP_UINT32("num-irq", MIPSCPSState, num_irq, 256),
  hw/misc/mips_cmgcr.c:215:    DEFINE_PROP_INT32("num-vp", MIPSGCRState, num_vps, 1),
  hw/misc/mips_cpc.c:167:    DEFINE_PROP_UINT32("num-vp", MIPSCPCState, num_vp, 0x1),
  hw/misc/mips_itu.c:552:    DEFINE_PROP_INT32("num-fifo", MIPSITUState, num_fifo,
  hw/misc/mips_itu.c:554:    DEFINE_PROP_INT32("num-semaphores", MIPSITUState,

Since negative values are not used (the minimum is '0'),
unify by declaring all properties as unsigned.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230203113650.78146-9-philmd@linaro.org>

16 months agotarget/mips: Set correct CP0.Config[4, 5] values for M14K(c)
Marcin Nowakowski [Thu, 16 Feb 2023 05:17:17 +0000 (06:17 +0100)]
target/mips: Set correct CP0.Config[4, 5] values for M14K(c)

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@fungible.com>
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230216051717.3911212-5-marcin.nowakowski@fungible.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agotarget/mips: Implement CP0.Config7.WII bit support
Marcin Nowakowski [Thu, 16 Feb 2023 05:17:16 +0000 (06:17 +0100)]
target/mips: Implement CP0.Config7.WII bit support

Some pre-release 6 cores use CP0.Config7.WII bit to indicate that a
disabled interrupt should wake up a sleeping CPU.
Enable this bit by default for M14K(c) and P5600. There are potentially
other cores that support this feature, but I do not have a complete
list.

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@fungible.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230216051717.3911212-4-marcin.nowakowski@fungible.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agotarget/mips: Fix SWM32 handling for microMIPS
Marcin Nowakowski [Thu, 16 Feb 2023 05:17:15 +0000 (06:17 +0100)]
target/mips: Fix SWM32 handling for microMIPS

SWM32 should store a sequence of 32-bit words from the GPRs, but it was
incorrectly coded to store 16-bit words only. As a result, an LWM32 that
usually follows would restore invalid register values.

Fixes: 7dd547e5ab ("target/mips: Use cpu_*_mmuidx_ra instead of
MMU_MODE*_SUFFIX")

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@fungible.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230216051717.3911212-3-marcin.nowakowski@fungible.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16 months agoroms/openbios: update OpenBIOS images to af97fd7a built from submodule
Mark Cave-Ayland [Tue, 7 Mar 2023 22:28:09 +0000 (22:28 +0000)]
roms/openbios: update OpenBIOS images to af97fd7a built from submodule

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
16 months agogdbstub: move update guest debug to accel ops
Mads Ynddal [Fri, 3 Mar 2023 02:58:05 +0000 (18:58 -0800)]
gdbstub: move update guest debug to accel ops

Continuing the refactor of a48e7d9e52 (gdbstub: move guest debug support
check to ops) by removing hardcoded kvm_enabled() from generic cpu.c
code, and replace it with a property of AccelOpsClass.

Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230207131721.49233-1-mads@ynddal.dk>
[AJB: add ifdef around update_guest_debug_ops, fix brace]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-27-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-30-richard.henderson@linaro.org>

16 months agogdbstub: Build syscall.c once
Richard Henderson [Fri, 3 Mar 2023 02:58:04 +0000 (18:58 -0800)]
gdbstub: Build syscall.c once

There is no longer anything target specific.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-29-richard.henderson@linaro.org>

16 months agostubs: split semihosting_get_target from system only stubs
Alex Bennée [Tue, 7 Mar 2023 17:01:20 +0000 (17:01 +0000)]
stubs: split semihosting_get_target from system only stubs

As we are about to have a common syscalls.c for gdbstub we need to
stub out one semihosting helper function for all targets.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230307170405.796822-1-alex.bennee@linaro.org>

16 months agogdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t
Richard Henderson [Fri, 3 Mar 2023 02:58:03 +0000 (18:58 -0800)]
gdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t

Pass %x as uint32_t and %lx as uint64_t; pass the address
of %s as uint64_t and the length as uint32_t.

Add casts in semihosting/syscalls.c from target_ulong to
uint64_t; add casts from int to uint32_t for clarity.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-28-richard.henderson@linaro.org>

16 months agogdbstub: Remove gdb_do_syscallv
Richard Henderson [Fri, 3 Mar 2023 02:58:02 +0000 (18:58 -0800)]
gdbstub: Remove gdb_do_syscallv

This function is unused, except to implement gdb_do_syscall.
Fold the implementations together.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-27-richard.henderson@linaro.org>

16 months agogdbstub: split out softmmu/user specifics for syscall handling
Alex Bennée [Fri, 3 Mar 2023 02:58:01 +0000 (18:58 -0800)]
gdbstub: split out softmmu/user specifics for syscall handling

Most of the syscall code is config agnostic aside from the size of
target_ulong. In preparation for the next patch move the final bits
of specialisation into the appropriate user and softmmu helpers.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230302190846.2593720-26-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-26-richard.henderson@linaro.org>

16 months agoinclude: split target_long definition from cpu-defs
Alex Bennée [Fri, 3 Mar 2023 02:58:00 +0000 (18:58 -0800)]
include: split target_long definition from cpu-defs

While we will continue to include this via cpu-defs it is useful to be
able to define this separately for 32 and 64 bit versions of an
otherwise target independent compilation unit.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-25-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-25-richard.henderson@linaro.org>

16 months agotesting: probe gdb for supported architectures ahead of time
Alex Bennée [Fri, 3 Mar 2023 02:57:59 +0000 (18:57 -0800)]
testing: probe gdb for supported architectures ahead of time

Currently when we encounter a gdb that is old or not built with
multiarch in mind we fail rather messily. Try and improve the
situation by probing ahead of time and setting
HOST_GDB_SUPPORTS_ARCH=y in the relevant tcg configs. We can then skip
and give a more meaningful message if we don't run the test.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230302190846.2593720-24-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-24-richard.henderson@linaro.org>

16 months agogdbstub: only compile gdbstub twice for whole build
Alex Bennée [Fri, 3 Mar 2023 02:57:58 +0000 (18:57 -0800)]
gdbstub: only compile gdbstub twice for whole build

Now we have removed any target specific bits from the core gdbstub
code we only need to build it twice. We have to jump a few meson hoops
to manually define the CONFIG_USER_ONLY symbol but it seems to work.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-23-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-23-richard.henderson@linaro.org>

16 months agogdbstub: move syscall handling to new file
Alex Bennée [Fri, 3 Mar 2023 02:57:57 +0000 (18:57 -0800)]
gdbstub: move syscall handling to new file

Our GDB syscall support is the last chunk of code that needs target
specific support so move it to a new file. We take the opportunity to
move the syscall state into its own singleton instance and add in a
few helpers for the main gdbstub to interact with the module.

I also moved the gdb_exit() declaration into syscalls.h as it feels
pretty related and most of the callers of it treat it as such.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-22-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-22-richard.henderson@linaro.org>

16 months agogdbstub: move register helpers into standalone include
Alex Bennée [Fri, 3 Mar 2023 02:57:56 +0000 (18:57 -0800)]
gdbstub: move register helpers into standalone include

These inline helpers are all used by target specific code so move them
out of the general header so we don't needlessly pollute the rest of
the API with target specific stuff.

Note we have to include cpu.h in semihosting as it was relying on a
side effect before.

Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-21-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-21-richard.henderson@linaro.org>

16 months agogdbstub: don't use target_ulong while handling registers
Alex Bennée [Fri, 3 Mar 2023 02:57:55 +0000 (18:57 -0800)]
gdbstub: don't use target_ulong while handling registers

This is a hangover from the original code. addr is misleading as it is
only really a register id. While len will never exceed
MAX_PACKET_LENGTH I've used size_t as that is what strlen returns.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-20-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-20-richard.henderson@linaro.org>

16 months agogdbstub: fix address type of gdb_set_cpu_pc
Alex Bennée [Fri, 3 Mar 2023 02:57:54 +0000 (18:57 -0800)]
gdbstub: fix address type of gdb_set_cpu_pc

The underlying call uses vaddr and the comms API uses unsigned long
long which will always fit. We don't need to deal in target_ulong
here.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-19-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-19-richard.henderson@linaro.org>

16 months agogdbstub: specialise stub_can_reverse
Alex Bennée [Fri, 3 Mar 2023 02:57:53 +0000 (18:57 -0800)]
gdbstub: specialise stub_can_reverse

Currently we only support replay for softmmu mode so it is a constant
false for user-mode.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-18-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-18-richard.henderson@linaro.org>

16 months agogdbstub: introduce gdb_get_max_cpus
Alex Bennée [Fri, 3 Mar 2023 02:57:52 +0000 (18:57 -0800)]
gdbstub: introduce gdb_get_max_cpus

This is needed for handling vcont packets as the way of calculating
max cpus vhanges between user and softmmu mode.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-17-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-17-richard.henderson@linaro.org>

16 months agogdbstub: specialise target_memory_rw_debug
Alex Bennée [Fri, 3 Mar 2023 02:57:51 +0000 (18:57 -0800)]
gdbstub: specialise target_memory_rw_debug

The two implementations are different enough to encourage having a
specialisation and we can move some of the softmmu only stuff out of
gdbstub.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-16-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-16-richard.henderson@linaro.org>

16 months agogdbstub: specialise handle_query_attached
Alex Bennée [Fri, 3 Mar 2023 02:57:50 +0000 (18:57 -0800)]
gdbstub: specialise handle_query_attached

In both user and softmmu cases we are just replying with a constant.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-15-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-15-richard.henderson@linaro.org>

16 months agogdbstub: abstract target specific details from gdb_put_packet_binary
Alex Bennée [Fri, 3 Mar 2023 02:57:49 +0000 (18:57 -0800)]
gdbstub: abstract target specific details from gdb_put_packet_binary

We unfortunately handle the checking of packet acknowledgement
differently for user and softmmu modes. Abstract the user mode stuff
behind gdb_got_immediate_ack with a stub for softmmu.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-14-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-14-richard.henderson@linaro.org>

16 months agogdbstub: rationalise signal mapping in softmmu
Alex Bennée [Fri, 3 Mar 2023 02:57:48 +0000 (18:57 -0800)]
gdbstub: rationalise signal mapping in softmmu

We don't really need a table for mapping two symbols.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-13-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-13-richard.henderson@linaro.org>

16 months agogdbstub: move chunks of user code into own files
Alex Bennée [Fri, 3 Mar 2023 02:57:47 +0000 (18:57 -0800)]
gdbstub: move chunks of user code into own files

The process was pretty similar to the softmmu move except we take the
time to split stuff between user.c and user-target.c to avoid as much
target specific compilation as possible. We also start to make use of
our shiny new header scheme so the user-only helpers can be included
without the rest of the exec/gsbstub.h cruft.

As before we split some functions into user and softmmu versions

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-12-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-12-richard.henderson@linaro.org>

16 months agovfio: Fix vfio_get_dev_region() trace event
Cédric Le Goater [Fri, 3 Mar 2023 07:43:30 +0000 (08:43 +0100)]
vfio: Fix vfio_get_dev_region() trace event

Simply transpose 'x8' to fix the typo and remove the ending '8'

Fixes: e61a424f05 ("vfio: Create device specific region info helper")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1526
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20230303074330.2609377-1-clg@kaod.org
[aw: commit log s/revert/transpose/]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agovfio/migration: Rename entry points
Alex Williamson [Tue, 7 Mar 2023 16:53:46 +0000 (09:53 -0700)]
vfio/migration: Rename entry points

Pick names that align with the section drivers should use them from,
avoiding the confusion of calling a _finalize() function from _exit()
and generalizing the actual _finalize() to handle removing the viommu
blocker.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/167820912978.606734.12740287349119694623.stgit@omen
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agodocs/devel: Document VFIO device dirty page tracking
Avihai Horon [Tue, 7 Mar 2023 12:54:50 +0000 (12:54 +0000)]
docs/devel: Document VFIO device dirty page tracking

Adjust the VFIO dirty page tracking documentation and add a section to
describe device dirty page tracking.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-16-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agovfio/migration: Query device dirty page tracking support
Joao Martins [Tue, 7 Mar 2023 12:54:49 +0000 (12:54 +0000)]
vfio/migration: Query device dirty page tracking support

Now that everything has been set up for device dirty page tracking,
query the device for device dirty page tracking support.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-15-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agovfio/migration: Block migration with vIOMMU
Joao Martins [Tue, 7 Mar 2023 12:54:48 +0000 (12:54 +0000)]
vfio/migration: Block migration with vIOMMU

Migrating with vIOMMU will require either tracking maximum
IOMMU supported address space (e.g. 39/48 address width on Intel)
or range-track current mappings and dirty track the new ones
post starting dirty tracking. This will be done as a separate
series, so add a live migration blocker until that is fixed.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-14-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agovfio/common: Add device dirty page bitmap sync
Joao Martins [Tue, 7 Mar 2023 12:54:47 +0000 (12:54 +0000)]
vfio/common: Add device dirty page bitmap sync

Add device dirty page bitmap sync functionality. This uses the device
DMA logging uAPI to sync dirty page bitmap from the device.

Device dirty page bitmap sync is used only if all devices within a
container support device dirty page tracking.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-13-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agovfio/common: Extract code from vfio_get_dirty_bitmap() to new function
Avihai Horon [Tue, 7 Mar 2023 12:54:46 +0000 (12:54 +0000)]
vfio/common: Extract code from vfio_get_dirty_bitmap() to new function

Extract the VFIO_IOMMU_DIRTY_PAGES ioctl code in vfio_get_dirty_bitmap()
to its own function.

This will help the code to be more readable after next patch will add
device dirty page bitmap sync functionality.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20230307125450.62409-12-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
16 months agovfio/common: Add device dirty page tracking start/stop
Joao Martins [Tue, 7 Mar 2023 12:54:45 +0000 (12:54 +0000)]
vfio/common: Add device dirty page tracking start/stop

Add device dirty page tracking start/stop functionality. This uses the
device DMA logging uAPI to start and stop dirty page tracking by device.

Device dirty page tracking is used only if all devices within a
container support device dirty page tracking.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20230307125450.62409-11-joao.m.martins@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>