Revision tags: v9.2.2, v9.2.1, v9.2.0, v9.1.2, v9.1.1, v9.1.0, v8.0.0 |
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17495208 |
| 30-Mar-2023 |
Joe Komlodi <komlodi@google.com> |
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture <venture@google.com> Reviewed-by: Titus Rwantare <titusr@google.com> [ clg: - replaced softmmu_ss with system_ss in meson.build files - local variable renames in aspeed_i3c_realize() ]
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c8944934 |
| 30-Mar-2023 |
Joe Komlodi <komlodi@google.com> |
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture <venture@google.com> Reviewed-by: Titus Rwantare <titusr@google.com> [ clg: - replaced softmmu_ss with system_ss in meson.build files - local variable renames in aspeed_i3c_realize() ]
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7d87775f |
| 30-Mar-2023 |
Joe Komlodi <komlodi@google.com> |
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture <venture@google.com> Reviewed-by: Titus Rwantare <titusr@google.com> [ clg: - replaced softmmu_ss with system_ss in meson.build files - local variable renames in aspeed_i3c_realize() ]
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f774a677 |
| 15-Oct-2024 |
Peter Maydell <peter.maydell@linaro.org> |
Merge tag 'pull-target-arm-20241015-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue: * hw/arm/omap1: Remove unused omap_uwire_attach() method * stm32f405: Add R
Merge tag 'pull-target-arm-20241015-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue: * hw/arm/omap1: Remove unused omap_uwire_attach() method * stm32f405: Add RCC device to stm32f405 SoC * arm/gicv3: add missing casts * hw/misc: Create STM32L4x5 SYSCFG clock * hw/arm: Add SPI to Allwinner A10 * hw/intc/omap_intc: Remove now-unnecessary abstract base class * hw/char/pl011: Use correct masks for IBRD and FBRD * docs/devel: Convert txt files to rST * Remove MAX111X, MAX7310, DSCM-1XXXX, pcmcia devices (used only by now-removed omap/pxa2xx boards) * vl.c: Remove pxa2xx-specific -portrait and -rotate options * dma: Fix function names in documentation * hw/arm/xilinx_zynq: Add various missing unimplemented devices
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* tag 'pull-target-arm-20241015-1' of https://git.linaro.org/people/pmaydell/qemu-arm: (28 commits) hw/arm/xilinx_zynq: Add various missing unimplemented devices dma: Fix function names in documentation vl.c: Remove pxa2xx-specific -portrait and -rotate options hw/block: Remove ecc hw: Remove PCMCIA subsystem hw/ide: Remove DSCM-1XXXX microdrive device model hw/gpio: Remove MAX7310 device hw/adc: Remove MAX111X device docs/devel/lockcnt: Include kernel-doc API documentation include: Move QemuLockCnt APIs to their own header docs/devel/rcu: Convert to rST format docs/devel/multiple-iothreads: Convert to rST format docs/devel/lockcnt: Convert to rST format docs/devel/blkverify: Convert to rST format docs/devel/blkdebug: Convert to rST format hw/char/pl011: Use correct masks for IBRD and FBRD hw/intc/omap_intc: Remove now-unnecessary abstract base class hw/arm: Add SPI to Allwinner A10 hw/ssi: Allwinner A10 SPI emulation tests/qtest: Check STM32L4x5 clock connections ...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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de633763 |
| 14-Oct-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw: Remove PCMCIA subsystem
The only PCMCIA subsystem was the PXA2xx SoC and the machines using it, which have now been removed. Although in theory we have a few machine types which have PCMCIA (e.g
hw: Remove PCMCIA subsystem
The only PCMCIA subsystem was the PXA2xx SoC and the machines using it, which have now been removed. Although in theory we have a few machine types which have PCMCIA (e.g. kzm, the strongarm machines, sh4's sh7750), none of those machines implement their PCMCIA controller, and they're all old and no longer very interesting machine types.
Rather than keeping all the PCMCIA code in-tree without any active users of it, delete it. If we need PCMCIA in future we can always resurrect it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20241003140010.1653808-5-peter.maydell@linaro.org
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ea9cdbcf |
| 15-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
Merge tag 'hw-misc-20240913' of https://github.com/philmd/qemu into staging
Misc HW & UI patches
- Remove deprecated SH4 SHIX machine TC58128 NAND EEPROM (Phil) - Remove deprecated CRIS target (Phi
Merge tag 'hw-misc-20240913' of https://github.com/philmd/qemu into staging
Misc HW & UI patches
- Remove deprecated SH4 SHIX machine TC58128 NAND EEPROM (Phil) - Remove deprecated CRIS target (Phil) - Remove deprecated RISC-V 'any' CPU type (Phil) - Add fifo8_peek_buf() to correctly handle FIFO wraparound (Mark) - Minor cleanups in Designware PCIe, PL011 and loongson IPI models (Phil) - Fixes in TI TMP105 temperature (Guenter) - Convert Sun ESCC and ADB mouses to QemuInputHandler (Mark) - Prevent heap overflow in VIRTIO sound device (Volker) - Cleanups around g_assert_not_reached() call (Pierrick) - Add Clément as VT-d reviewer (Clément) - Prevent stuck modifier keys and unexpected text input on Windows (Volker) - Explicitly set SDL2 swap interval when OpenGL is enabled (Gert)
# -----BEGIN PGP SIGNATURE----- # # iQIzBAABCAAdFiEE+qvnXhKRciHc/Wuy4+MsLN6twN4FAmbkoOUACgkQ4+MsLN6t # wN56SBAA1nYl5YTI0BwvToKysoNIJ5aTgDEbT87XYTatKYyWYlN5W1yrAeMcuwFO # Rw8edtn2YY89ZMG/LPcY1h6+nI2qVMpuOzNP3ve4D+eM6AMUMX0bzeqXndUind7c # 1kTcV7Wctfk34zzs5B9GIU0WswSSbL3FeETS47ySNg6J7GbVWIu41dh52oeg8XWa # Zfw0FZDt7hSAbsUckBIC9/Nbh0hucxBnQevQLkVb6u8O0yX3wV2OZRIC7+NkvHkH # ZLPT8lg197PitH0NouUJI5oMv5Ty3PXGHtrIAKvts+fGBpWL+XzEtQmT8RzqgxTl # 9Z6C/PvfMHNtA7BE66D4iLOKBPpV0RCUDOAGsfcWy5GuklzeUy03DxZ/2xO8XERm # TP0EP0nt2YddnELX7H65b78gJkPvnhME/MtA6Y6R7uxAA8gawZVWZQ1oDGUBNGDI # zJ62Cu4nYPwpGiewwb+ZTkjeiaYddJsPNsE8f8d4XZCpTwpIM/oYzJapxedBwjrg # a4eAWiy7xIvvGPxWN7IQPosGYcyO6zhbI+iAbxp1xmWsX0TPgLUcJtK9+pklqWS7 # 9ucrvkq5XRZSJMaGF0LZuZH7Qx6us7m0rik5wG96d8qrIXRpi8kXfWxI17SWQkGa # cG91u+FrKmfBr+yD7Q1gVbaYzkD+X1hPkQmSVmnlNS+5axrnSYQ= # =sPwb # -----END PGP SIGNATURE----- # gpg: Signature made Fri 13 Sep 2024 21:30:29 BST # gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE # gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full] # Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'hw-misc-20240913' of https://github.com/philmd/qemu: (60 commits) ui: remove break after g_assert_not_reached() ui/sdl2: set swap interval explicitly when OpenGL is enabled ui/sdl2: ignore GUI keys in SDL_TEXTINPUT handler ui/sdl2: release all modifiers system: replace assert(0) with g_assert_not_reached() hw/pci-host: remove break after g_assert_not_reached() hw/misc: remove break after g_assert_not_reached() hw/gpio: remove break after g_assert_not_reached() hw/watchdog: replace assert(0) with g_assert_not_reached() hw/core: replace assert(0) with g_assert_not_reached() hw/char: replace assert(0) with g_assert_not_reached() hw/input/adb-mouse: convert to use QemuInputHandler hw/char/escc: convert Sun mouse to use QemuInputHandler hw/sensor/tmp105: Lower 4 bit of limit registers are always 0 hw/sensor/tmp105: OS (one-shot) bit in config register always returns 0 hw/sensor/tmp105: Pass 'oneshot' argument to tmp105_alarm_update() hw/sensor/tmp105: Use registerfields API hw/sensor/tmp105: Coding style fixes tests/unit: Comment FIFO8 tests tests/unit: Expand test_fifo8_peek_buf_wrap() coverage ...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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6006be52 |
| 24-Jul-2024 |
Philippe Mathieu-Daudé <philmd@linaro.org> |
hw/cris: Remove image loader helper
No more CRIS machine uses cris_load_image(), remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Rev
hw/cris: Remove image loader helper
No more CRIS machine uses cris_load_image(), remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Message-ID: <20240904143603.52934-7-philmd@linaro.org>
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85b59741 |
| 24-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'housekeeping-20240424' of https://github.com/philmd/qemu into staging
Removal of deprecated code
- Remove the Nios II target and hardware - Remove pvrdma device and rdmacm-mux helper - R
Merge tag 'housekeeping-20240424' of https://github.com/philmd/qemu into staging
Removal of deprecated code
- Remove the Nios II target and hardware - Remove pvrdma device and rdmacm-mux helper - Remove GlusterFS RDMA protocol handling - Update Sriram Yagnaraman mail address
# -----BEGIN PGP SIGNATURE----- # # iQIzBAABCAAdFiEE+qvnXhKRciHc/Wuy4+MsLN6twN4FAmYpE0YACgkQ4+MsLN6t # wN5PIA//egomANjRHAUAf9tdjljgT/JR49ejM7iInyxspR/xaiq0TlP2kP6aDNps # y1HAWBwfj5lGxeMgQ1mSKJGka3v2AIPWb7RbNT+9AaiWHv+sx5OrEytozUsFHLo8 # gSgRQocq0NY2a9dPbtkDqfbmq/rkCC7wgZzwroHsyOdiqYsWDKPJFleBDMjGmEaf # colhiDmhUPgvE3NNpwfEVNh/2SzxUxY8k5FHal6qij5z56ZqBglgnziDZEvGVCZ1 # uF4Hca/kh7TV2MVsdStPbGWZYDhJ/Np/2FnRoThD1Hc4qq8d/SH997m2F94tSOud # YeH54Vp5lmCeYgba5y8VP0ZPx/b9XnTtLvKggNdoqB+T2LBWPRt8kehqoaxvammF # ALzbY/t2vUxL6nIVbosOaTyqVOXvynk3/Js5S0jbnlu+vP2WvvFEzfYKIs2DIA8w # z56o/rG4KfyxF0aDB+CvLNwtJS8THqeivPqmYoKTdN9FPpN2RyBNLITrKo389ygF # 3oWy3+xsKGIPdNFY0a4l25xntqWNhND89ejzyL9M6G1cQ9RdEmTIUGTrinPQQmfP # oHIJMBeTdj7EqPL4LB3BR/htw9U5PobeMNYKFsRkS39PjGDqba5wbIdk3w5/Rcxa # s/PKdspDKWPwZ5jhcLD0qxAGJFnqM2UFjPo+U8qyI3RXKXFAn0E= # =c8Aj # -----END PGP SIGNATURE----- # gpg: Signature made Wed 24 Apr 2024 07:12:22 AM PDT # gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE # gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
* tag 'housekeeping-20240424' of https://github.com/philmd/qemu: block/gluster: Remove deprecated RDMA protocol handling hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper hw/timer: Remove the ALTERA_TIMER model target/nios2: Remove the deprecated Nios II target MAINTAINERS: Update Sriram Yagnaraman mail address
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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1dfd42c4 |
| 28-Mar-2024 |
Philippe Mathieu-Daudé <philmd@linaro.org> |
hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper
The whole RDMA subsystem was deprecated in commit e9a54265f5 ("hw/rdma: Deprecate the pvrdma device and the rdma subsystem") released i
hw/rdma: Remove deprecated pvrdma device and rdmacm-mux helper
The whole RDMA subsystem was deprecated in commit e9a54265f5 ("hw/rdma: Deprecate the pvrdma device and the rdma subsystem") released in v8.2.
Remove: - PVRDMA device - generated vmw_pvrdma/ directory from linux-headers - rdmacm-mux tool from contrib/
Cc: Yuval Shaia <yuval.shaia.ml@gmail.com> Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <20240328130255.52257-2-philmd@linaro.org>
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6c301485 |
| 27-Mar-2024 |
Philippe Mathieu-Daudé <philmd@linaro.org> |
target/nios2: Remove the deprecated Nios II target
The Nios II target is deprecated since v8.2 in commit 9997771bc1 ("target/nios2: Deprecate the Nios II architecture").
Remove: - Buildsys / CI inf
target/nios2: Remove the deprecated Nios II target
The Nios II target is deprecated since v8.2 in commit 9997771bc1 ("target/nios2: Deprecate the Nios II architecture").
Remove: - Buildsys / CI infra - User emulation - System emulation (10m50-ghrd & nios2-generic-nommu machines) - Tests
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Marek Vasut <marex@denx.de> Message-Id: <20240327144806.11319-3-philmd@linaro.org>
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76f446d3 |
| 30-Mar-2023 |
Joe Komlodi <komlodi@google.com> |
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture <venture@google.com> Reviewed-by: Titus Rwantare <titusr@google.com> [ clg: - replaced softmmu_ss with system_ss in meson.build files - local variable renames in aspeed_i3c_realize() ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
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43c6a5ec |
| 28-Nov-2023 |
Ninad Palsule <ninad@linux.ibm.com> |
hw/fsi: Introduce IBM's Local bus
This is a part of patchset where IBM's Flexible Service Interface is introduced.
The LBUS is modelled to maintain mapped memory for the devices. The memory is mapp
hw/fsi: Introduce IBM's Local bus
This is a part of patchset where IBM's Flexible Service Interface is introduced.
The LBUS is modelled to maintain mapped memory for the devices. The memory is mapped after CFAM config, peek table and FSI slave registers.
[ clg: - removed lbus_add_device() bc unused - removed lbus_create_device() bc used only once - removed "address" property - updated meson.build to build fsi dir - included an empty hw/fsi/trace-events ]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Signed-off-by: Ninad Palsule <ninad@linux.ibm.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
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c3709fde |
| 01-Feb-2024 |
Peter Maydell <peter.maydell@linaro.org> |
Merge tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu into staging
aspeed queue:
* Update of buildroot images to 2023.11 (6.6.3 kernel) * Check of the valid CPU type supported by asp
Merge tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu into staging
aspeed queue:
* Update of buildroot images to 2023.11 (6.6.3 kernel) * Check of the valid CPU type supported by aspeed machines * Simplified models for the IBM's FSI bus and the Aspeed controller bridge
# -----BEGIN PGP SIGNATURE----- # # iQIzBAABCAAdFiEEoPZlSPBIlev+awtgUaNDx8/77KEFAmW7Sa8ACgkQUaNDx8/7 # 7KG7mw/8DbMJY6aqgq5YANszzem1ktJphPCNxq081cbczCOUpCNX4aL+0/ANvxxD # lbJQB+SZeIRmuFbxYPhq68rtzB4vG7tsQpns4H33EPKT4vuzF70lq4fgptMiun3q # 1ZJ2LF3jonvQWdhbC17wzAQz0FFb4F7XOxz++UL4okPsgzsYItnd+TWs8q7+erRb # 84UwN+eBTBAl/FiNk679/tBTqAfCVGgQ7dzotr4f3tg5POvrGOrlEjAn0O+dGGDj # wgILmpEBsTsilRB1tz8Kw0j/v/VkHz1DJu45lRAV9CIrN22iKcjMilNGgNDT8kcI # yAlxAw3iN+hVFqDov8wFPjDYd/Qw2oRAPy2Kd14hW9xL8zBOTms1JK5L0PS2+Feo # ZjMJ2cOJq3t4Wt1ZXRhgHfF4ANwP0OZ/y9bHCy3CkBljEeiTQbikHP9gVV4qHXZH # 4Q0HnDZQwAgobw3CmZ8jVx1dQueqy3ycuvkhCyv3S0l/tdbtXDtr5pNNu3dAP/PJ # 3nifLdRImhDvxxO9GKaCdUVLzELzMJl0GrgAsVJPKVnKHA4IiVKmB+XcW9IUbfy/ # 3zA2wHJLrEF+MF6MsuNcEYCCqUvyNLm7rUrXk1wNLXpCJ35bbW5IYy7Ty/8E2GHb # D5Cv/EPNhMBiNA4+HqQlMOTC13Ozv2qwCuWYCh2Ik8mnzaEiyTo= # =0C5S # -----END PGP SIGNATURE----- # gpg: Signature made Thu 01 Feb 2024 07:35:11 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-20240201' of https://github.com/legoater/qemu: hw/fsi: Update MAINTAINER list hw/fsi: Added FSI documentation hw/fsi: Added qtest hw/arm: Hook up FSI module in AST2600 hw/fsi: Aspeed APB2OPB & On-chip peripheral bus hw/fsi: Introduce IBM's FSI master hw/fsi: Introduce IBM's cfam hw/fsi: Introduce IBM's fsi-slave model hw/fsi: Introduce IBM's FSI Bus hw/fsi: Introduce IBM's scratchpad device hw/fsi: Introduce IBM's Local bus hw/arm/aspeed: Check for CPU types in machine_run_board_init() hw/arm/aspeed: Introduce aspeed_soc_cpu_type() helper hw/arm/aspeed: Init CPU defaults in a common helper hw/arm/aspeed: Set default CPU count using aspeed_soc_num_cpus() hw/arm/aspeed: Remove dead code tests/avocado/machine_aspeed.py: Update buildroot images to 2023.11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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99f0c046 |
| 26-Jan-2024 |
Ninad Palsule <ninad@linux.ibm.com> |
hw/fsi: Introduce IBM's Local bus
This is a part of patchset where IBM's Flexible Service Interface is introduced.
The LBUS is modelled to maintain mapped memory for the devices. The memory is mapp
hw/fsi: Introduce IBM's Local bus
This is a part of patchset where IBM's Flexible Service Interface is introduced.
The LBUS is modelled to maintain mapped memory for the devices. The memory is mapped after CFAM config, peek table and FSI slave registers.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Signed-off-by: Ninad Palsule <ninad@linux.ibm.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> [ clg: - removed lbus_add_device() bc unused - removed lbus_create_device() bc used only once - removed "address" property - updated meson.build to build fsi dir - included an empty hw/fsi/trace-events ] Signed-off-by: Cédric Le Goater <clg@kaod.org>
show more ...
|
#
e27a538a |
| 16-Aug-2023 |
Joe Komlodi <komlodi@google.com> |
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture <venture@google.com> Reviewed-by: Titus Rwantare <titusr@google.com> [ clg: replaced softmmu_ss with system_ss in meson.build files ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
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|
#
37d5505a |
| 16-Aug-2023 |
Andrew Jeffery <andrew@aj.id.au> |
hw: Introduce models for IBM's Flexible Service Interface
Firstly, I'll split this patch up in the future, but wanted to get the integrated setup sent out for any initial thoughts. Anyway:
Time for
hw: Introduce models for IBM's Flexible Service Interface
Firstly, I'll split this patch up in the future, but wanted to get the integrated setup sent out for any initial thoughts. Anyway:
Time for some fun with inter-processor buses. FSI allows a service processor access to the internal busses of a host POWER processor to perform configuration or debugging.
FSI has long existed in POWER processes and so comes with some baggage, including how it has been integrated into the ASPEED SoC.
Working backwards from the POWER processor, the fundamental pieces of interest for the implementation are:
1. The Common FRU Access Macro (CFAM), an address space containing various "engines" that drive accesses on busses internal and external to the POWER chip. Examples include the SBEFIFO and I2C masters. The engines hang off of an internal Local Bus (LBUS) which is described by the CFAM configuration block.
2. The FSI slave: The slave is the terminal point of the FSI bus for FSI symbols addressed to it. Slaves can be cascaded off of one another. The slave's configuration registers appear in address space of the CFAM to which it is attached.
3. The FSI master: A controller in the platform service processor (e.g. BMC) driving CFAM engine accesses into the POWER chip. At the hardware level FSI is a bit-based protocol supporting synchronous and DMA-driven accesses of engines in a CFAM.
4. The On-Chip Peripheral Bus (OPB): A low-speed bus typically found in POWER processors. This now makes an appearance in the ASPEED SoC due to tight integration of the FSI master IP with the OPB, mainly the existence of an MMIO-mapping of the CFAM address straight onto a sub-region of the OPB address space.
5. An APB-to-OPB bridge enabling access to the OPB from the ARM core in the AST2600. Hardware limitations prevent the OPB from being directly mapped into APB, so all accesses are indirect through the bridge.
The implementation appears as following in the qemu device tree:
(qemu) info qtree bus: main-system-bus type System ... dev: aspeed.apb2opb, id "" gpio-out "sysbus-irq" 1 mmio 000000001e79b000/0000000000001000 bus: opb.1 type opb dev: fsi.master, id "" bus: fsi.bus.1 type fsi.bus dev: cfam.config, id "" dev: cfam, id "" bus: lbus.1 type lbus dev: scratchpad, id "" address = 0 (0x0) bus: opb.0 type opb dev: fsi.master, id "" bus: fsi.bus.0 type fsi.bus dev: cfam.config, id "" dev: cfam, id "" bus: lbus.0 type lbus dev: scratchpad, id "" address = 0 (0x0)
The LBUS is modelled to maintain the qdev bus hierarchy and to take advantage of the object model to automatically generate the CFAM configuration block. The configuration block presents engines in the order they are attached to the CFAM's LBUS. Engine implementations should subclass the LBusDevice and set the 'config' member of LBusDeviceClass to match the engine's type.
CFAM designs offer a lot of flexibility, for instance it is possible for a CFAM to be simultaneously driven from multiple FSI links. The modeling is not so complete; it's assumed that each CFAM is attached to a single FSI slave (as a consequence the CFAM subclasses the FSI slave).
As for FSI, its symbols and wire-protocol are not modelled at all. This is not necessary to get FSI off the ground thanks to the mapping of the CFAM address space onto the OPB address space - the models follow this directly and map the CFAM memory region into the OPB's memory region. Future work includes supporting more advanced accesses that drive the FSI master directly rather than indirectly via the CFAM mapping, which will require implementing the FSI state machine and methods for each of the FSI symbols on the slave. Further down the track we can also look at supporting the bitbanged SoftFSI drivers in Linux by extending the FSI slave model to resolve sequences of GPIO IRQs into FSI symbols, and calling the associated symbol method on the slave to map the access onto the CFAM.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au> [clg: tons of fixes, lots of love and care and time. we need to split this patch ! ] Signed-off-by: Cédric Le Goater <clg@kaod.org>
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|
#
2f352bc2 |
| 08-Sep-2023 |
Stefan Hajnoczi <stefanha@redhat.com> |
Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
Pull request
- Jeuk Kim's emulated UFS device - Fabiano Rosas' IOThread GSource "name" debugging aid
# -----BEGIN PG
Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
Pull request
- Jeuk Kim's emulated UFS device - Fabiano Rosas' IOThread GSource "name" debugging aid
# -----BEGIN PGP SIGNATURE----- # # iQEzBAABCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmT6E3YACgkQnKSrs4Gr # c8g3NwgAxVSzxS6hGCs6hKjRJ6f8HIlBWWbeO273XWbuAsMUbbYYAw7Gx6bzrbnb # NFdFZ4F3M0lOfIaGFONasA4Wo2rIuiWVfj6Es4pcYjnexF0OmhAib2RLLEtuDlyc # EJB/s4Mo2Xk+aw8LzQoYJVvDYi+hTZMmaHaQmNAsYLyQmsN/zg5iEE/vMDqVCNOs # trv9rMGOJBblzJ4bqgItJ80nSVaEbwErpiU1+NTY77dpTeIt/3nq7yGAo+h4rVpc # Tv4IuH8y6Rb9xjlwSANL2YKS2VOuJc5J/G5vpM63T4O2yzYSosTsU+ET/ZqB2U1H # v0uT9K2akfsTOFR8rUaroFsXha8IMQ== # =6SqP # -----END PGP SIGNATURE----- # gpg: Signature made Thu 07 Sep 2023 14:16:22 EDT # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu: tests/qtest: Introduce tests for UFS hw/ufs: Support for UFS logical unit hw/ufs: Support for Query Transfer Requests hw/ufs: Initial commit for emulated Universal-Flash-Storage iothread: Set the GSource "name" field
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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|
#
bc4e68d3 |
| 06-Sep-2023 |
Jeuk Kim <jeuk20.kim@samsung.com> |
hw/ufs: Initial commit for emulated Universal-Flash-Storage
Universal Flash Storage (UFS) is a high-performance mass storage device with a serial interface. It is primarily used as a high-performanc
hw/ufs: Initial commit for emulated Universal-Flash-Storage
Universal Flash Storage (UFS) is a high-performance mass storage device with a serial interface. It is primarily used as a high-performance data storage device for embedded applications.
This commit contains code for UFS device to be recognized as a UFS PCI device. Patches to handle UFS logical unit and Transfer Request will follow.
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 10232660d462ee5cd10cf673f1a9a1205fc8276c.1693980783.git.jeuk20.kim@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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|
#
17159fbb |
| 13-Apr-2023 |
Joe Komlodi <komlodi@google.com> |
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture
hw/misc/aspeed_i3c: Move to i3c directory
Moves the Aspeed I3C model and traces into hw/i3c and create I3C build files.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Patrick Venture <venture@google.com> Reviewed-by: Titus Rwantare <titusr@google.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
show more ...
|
#
f69f73e1 |
| 13-Apr-2023 |
Andrew Jeffery <andrew@aj.id.au> |
hw: Introduce models for IBM's Flexible Service Interface
Firstly, I'll split this patch up in the future, but wanted to get the integrated setup sent out for any initial thoughts. Anyway:
Time for
hw: Introduce models for IBM's Flexible Service Interface
Firstly, I'll split this patch up in the future, but wanted to get the integrated setup sent out for any initial thoughts. Anyway:
Time for some fun with inter-processor buses. FSI allows a service processor access to the internal busses of a host POWER processor to perform configuration or debugging.
FSI has long existed in POWER processes and so comes with some baggage, including how it has been integrated into the ASPEED SoC.
Working backwards from the POWER processor, the fundamental pieces of interest for the implementation are:
1. The Common FRU Access Macro (CFAM), an address space containing various "engines" that drive accesses on busses internal and external to the POWER chip. Examples include the SBEFIFO and I2C masters. The engines hang off of an internal Local Bus (LBUS) which is described by the CFAM configuration block.
2. The FSI slave: The slave is the terminal point of the FSI bus for FSI symbols addressed to it. Slaves can be cascaded off of one another. The slave's configuration registers appear in address space of the CFAM to which it is attached.
3. The FSI master: A controller in the platform service processor (e.g. BMC) driving CFAM engine accesses into the POWER chip. At the hardware level FSI is a bit-based protocol supporting synchronous and DMA-driven accesses of engines in a CFAM.
4. The On-Chip Peripheral Bus (OPB): A low-speed bus typically found in POWER processors. This now makes an appearance in the ASPEED SoC due to tight integration of the FSI master IP with the OPB, mainly the existence of an MMIO-mapping of the CFAM address straight onto a sub-region of the OPB address space.
5. An APB-to-OPB bridge enabling access to the OPB from the ARM core in the AST2600. Hardware limitations prevent the OPB from being directly mapped into APB, so all accesses are indirect through the bridge.
The implementation appears as following in the qemu device tree:
(qemu) info qtree bus: main-system-bus type System ... dev: aspeed.apb2opb, id "" gpio-out "sysbus-irq" 1 mmio 000000001e79b000/0000000000001000 bus: opb.1 type opb dev: fsi.master, id "" bus: fsi.bus.1 type fsi.bus dev: cfam.config, id "" dev: cfam, id "" bus: lbus.1 type lbus dev: scratchpad, id "" address = 0 (0x0) bus: opb.0 type opb dev: fsi.master, id "" bus: fsi.bus.0 type fsi.bus dev: cfam.config, id "" dev: cfam, id "" bus: lbus.0 type lbus dev: scratchpad, id "" address = 0 (0x0)
The LBUS is modelled to maintain the qdev bus hierarchy and to take advantage of the object model to automatically generate the CFAM configuration block. The configuration block presents engines in the order they are attached to the CFAM's LBUS. Engine implementations should subclass the LBusDevice and set the 'config' member of LBusDeviceClass to match the engine's type.
CFAM designs offer a lot of flexibility, for instance it is possible for a CFAM to be simultaneously driven from multiple FSI links. The modeling is not so complete; it's assumed that each CFAM is attached to a single FSI slave (as a consequence the CFAM subclasses the FSI slave).
As for FSI, its symbols and wire-protocol are not modelled at all. This is not necessary to get FSI off the ground thanks to the mapping of the CFAM address space onto the OPB address space - the models follow this directly and map the CFAM memory region into the OPB's memory region. Future work includes supporting more advanced accesses that drive the FSI master directly rather than indirectly via the CFAM mapping, which will require implementing the FSI state machine and methods for each of the FSI symbols on the slave. Further down the track we can also look at supporting the bitbanged SoftFSI drivers in Linux by extending the FSI slave model to resolve sequences of GPIO IRQs into FSI symbols, and calling the associated symbol method on the slave to map the access onto the CFAM.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au> [clg: tons of fixes, lots of love and care and time. we need to split this patch ! ] Signed-off-by: Cédric Le Goater <clg@kaod.org>
show more ...
|
Revision tags: v7.2.0 |
|
#
13dc434e |
| 05-Dec-2022 |
Andrew Jeffery <andrew@aj.id.au> |
hw: Introduce models for IBM's Flexible Service Interface
Firstly, I'll split this patch up in the future, but wanted to get the integrated setup sent out for any initial thoughts. Anyway:
Time for
hw: Introduce models for IBM's Flexible Service Interface
Firstly, I'll split this patch up in the future, but wanted to get the integrated setup sent out for any initial thoughts. Anyway:
Time for some fun with inter-processor buses. FSI allows a service processor access to the internal busses of a host POWER processor to perform configuration or debugging.
FSI has long existed in POWER processes and so comes with some baggage, including how it has been integrated into the ASPEED SoC.
Working backwards from the POWER processor, the fundamental pieces of interest for the implementation are:
1. The Common FRU Access Macro (CFAM), an address space containing various "engines" that drive accesses on busses internal and external to the POWER chip. Examples include the SBEFIFO and I2C masters. The engines hang off of an internal Local Bus (LBUS) which is described by the CFAM configuration block.
2. The FSI slave: The slave is the terminal point of the FSI bus for FSI symbols addressed to it. Slaves can be cascaded off of one another. The slave's configuration registers appear in address space of the CFAM to which it is attached.
3. The FSI master: A controller in the platform service processor (e.g. BMC) driving CFAM engine accesses into the POWER chip. At the hardware level FSI is a bit-based protocol supporting synchronous and DMA-driven accesses of engines in a CFAM.
4. The On-Chip Peripheral Bus (OPB): A low-speed bus typically found in POWER processors. This now makes an appearance in the ASPEED SoC due to tight integration of the FSI master IP with the OPB, mainly the existence of an MMIO-mapping of the CFAM address straight onto a sub-region of the OPB address space.
5. An APB-to-OPB bridge enabling access to the OPB from the ARM core in the AST2600. Hardware limitations prevent the OPB from being directly mapped into APB, so all accesses are indirect through the bridge.
The implementation appears as following in the qemu device tree:
(qemu) info qtree bus: main-system-bus type System ... dev: aspeed.apb2opb, id "" gpio-out "sysbus-irq" 1 mmio 000000001e79b000/0000000000001000 bus: opb.1 type opb dev: fsi.master, id "" bus: fsi.bus.1 type fsi.bus dev: cfam.config, id "" dev: cfam, id "" bus: lbus.1 type lbus dev: scratchpad, id "" address = 0 (0x0) bus: opb.0 type opb dev: fsi.master, id "" bus: fsi.bus.0 type fsi.bus dev: cfam.config, id "" dev: cfam, id "" bus: lbus.0 type lbus dev: scratchpad, id "" address = 0 (0x0)
The LBUS is modelled to maintain the qdev bus hierarchy and to take advantage of the object model to automatically generate the CFAM configuration block. The configuration block presents engines in the order they are attached to the CFAM's LBUS. Engine implementations should subclass the LBusDevice and set the 'config' member of LBusDeviceClass to match the engine's type.
CFAM designs offer a lot of flexibility, for instance it is possible for a CFAM to be simultaneously driven from multiple FSI links. The modeling is not so complete; it's assumed that each CFAM is attached to a single FSI slave (as a consequence the CFAM subclasses the FSI slave).
As for FSI, its symbols and wire-protocol are not modelled at all. This is not necessary to get FSI off the ground thanks to the mapping of the CFAM address space onto the OPB address space - the models follow this directly and map the CFAM memory region into the OPB's memory region. Future work includes supporting more advanced accesses that drive the FSI master directly rather than indirectly via the CFAM mapping, which will require implementing the FSI state machine and methods for each of the FSI symbols on the slave. Further down the track we can also look at supporting the bitbanged SoftFSI drivers in Linux by extending the FSI slave model to resolve sequences of GPIO IRQs into FSI symbols, and calling the associated symbol method on the slave to map the access onto the CFAM.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au> [clg: tons of fixes, lots of love and care and time/ we need to split this patch ! ] Signed-off-by: Cédric Le Goater <clg@kaod.org>
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|
#
9b1f5885 |
| 06-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'pull-la-20220606' of https://gitlab.com/rth7680/qemu into staging
Initial LoongArch support.
# -----BEGIN PGP SIGNATURE----- # # iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmKeiRYdHHJpY
Merge tag 'pull-la-20220606' of https://gitlab.com/rth7680/qemu into staging
Initial LoongArch support.
# -----BEGIN PGP SIGNATURE----- # # iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmKeiRYdHHJpY2hhcmQu # aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV85Kgf/buBy5+0y51NKOpTI # zwFzvuQoWyMwb1nz1ag3i0Sk5fk72zmQI13fwfCgyUZckT165qISa2hohnzl4zVZ # CO0uZl44makET+uqJn5h2VXSM7Wf+jv0UzbCElVQuEFt0t1bIPbco0pTx/TojBb+ # +YKN4jobvJiLVhD1wDVJqp/2r9gcnX11EWZk+ZC+pIiEqYZpWRcQdEGVh4Ymhig8 # 0LK/8HRSyw0AecX/01hcGWvYCC0ldFicwN69AD42BqM+7WD+3jnV8FJL8qqq766G # xuCNHz0eDcVgfw9bCEyhFmhgiBFvOXNCtyDOV0qVn7eee9nIrFZcsGyBqeI/T1el # e7uz8Q== # =l8TD # -----END PGP SIGNATURE----- # gpg: Signature made Mon 06 Jun 2022 04:09:10 PM PDT # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-la-20220606' of https://gitlab.com/rth7680/qemu: (43 commits) target/loongarch: 'make check-tcg' support tests/tcg/loongarch64: Add hello/memory test in loongarch64 system target/loongarch: Add gdb support. hw/loongarch: Add LoongArch virt power manager support. hw/loongarch: Add LoongArch load elf function. hw/loongarch: Add LoongArch ls7a rtc device support hw/loongarch: Add some devices support for 3A5000. Enable common virtio pci support for LoongArch hw/loongarch: Add irq hierarchy for the system hw/intc: Add LoongArch extioi interrupt controller(EIOINTC) hw/intc: Add LoongArch ls7a msi interrupt controller support(PCH-MSI) hw/intc: Add LoongArch ls7a interrupt controller support(PCH-PIC) hw/loongarch: Add LoongArch ipi interrupt support(IPI) hw/loongarch: Add support loongson3 virt machine type. target/loongarch: Add timer related instructions support. target/loongarch: Add other core instructions support target/loongarch: Add TLB instruction support target/loongarch: Add LoongArch IOCSR instruction target/loongarch: Add LoongArch CSR instruction target/loongarch: Add constant timer support ...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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|
#
a8a506c3 |
| 06-Jun-2022 |
Xiaojuan Yang <yangxiaojuan@loongson.cn> |
hw/loongarch: Add support loongson3 virt machine type.
Emulate a 3A5000 board use the new loongarch instruction. 3A5000 belongs to the Loongson3 series processors. The board consists of a 3A5000 cpu
hw/loongarch: Add support loongson3 virt machine type.
Emulate a 3A5000 board use the new loongarch instruction. 3A5000 belongs to the Loongson3 series processors. The board consists of a 3A5000 cpu model and the virt bridge. The host 3A5000 board is really complicated and contains many functions.Now for the tcg softmmu mode only part functions are emulated.
More detailed info you can see https://github.com/loongson/LoongArch-Documentation
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220606124333.2060567-31-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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|
#
eec39811 |
| 16-May-2022 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: fixes,cleanups,features
most of CXL support fixes, cleanups all over the place
Signed-off-by:
Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: fixes,cleanups,features
most of CXL support fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# -----BEGIN PGP SIGNATURE----- # # iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmKCuLIPHG1zdEByZWRo # YXQuY29tAAoJECgfDbjSjVRpdDUH/12SmWaAo+0+SdIHgWFFxsmg3t/EdcO38fgi # MV+GpYdbp6TlU3jdQhrMZYmFdkVVydBdxk93ujCLbFS0ixTsKj31j0IbZMfdcGgv # SLqnV+E3JdHqnGP39q9a9rdwYWyqhkgHoldxilIFW76ngOSapaZVvnwnOMAMkf77 # 1LieL4/Xq7N9Ho86Zrs3IczQcf0czdJRDaFaSIu8GaHl8ELyuPhlSm6CSqqrEEWR # PA/COQsLDbLOMxbfCi5v88r5aaxmGNZcGbXQbiH9qVHw65nlHyLH9UkNTdJn1du1 # f2GYwwa7eekfw/LCvvVwxO1znJrj02sfFai7aAtQYbXPvjvQiqA= # =xdSk # -----END PGP SIGNATURE----- # gpg: Signature made Mon 16 May 2022 01:48:50 PM PDT # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (86 commits) vhost-user-scsi: avoid unlink(NULL) with fd passing virtio-net: don't handle mq request in userspace handler for vhost-vdpa vhost-vdpa: change name and polarity for vhost_vdpa_one_time_request() vhost-vdpa: backend feature should set only once vhost-net: fix improper cleanup in vhost_net_start vhost-vdpa: fix improper cleanup in net_init_vhost_vdpa virtio-net: align ctrl_vq index for non-mq guest for vhost_vdpa virtio-net: setup vhost_dev and notifiers for cvq only when feature is negotiated hw/i386/amd_iommu: Fix IOMMU event log encoding errors hw/i386: Make pic a property of common x86 base machine type hw/i386: Make pit a property of common x86 base machine type include/hw/pci/pcie_host: Correct PCIE_MMCFG_SIZE_MAX include/hw/pci/pcie_host: Correct PCIE_MMCFG_BUS_MASK docs/vhost-user: Clarifications for VHOST_USER_ADD/REM_MEM_REG vhost-user: more master/slave things virtio: add vhost support for virtio devices virtio: drop name parameter for virtio_init() virtio/vhost-user: dynamically assign VhostUserHostNotifiers hw/virtio/vhost-user: don't suppress F_CONFIG when supported include/hw: start documenting the vhost API ...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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|
#
9e58f52d |
| 29-Apr-2022 |
Ben Widawsky <ben.widawsky@intel.com> |
hw/cxl/component: Introduce CXL components (8.1.x, 8.2.5)
A CXL 2.0 component is any entity in the CXL topology. All components have a analogous function in PCIe. Except for the CXL host bridge, all
hw/cxl/component: Introduce CXL components (8.1.x, 8.2.5)
A CXL 2.0 component is any entity in the CXL topology. All components have a analogous function in PCIe. Except for the CXL host bridge, all have a PCIe config space that is accessible via the common PCIe mechanisms. CXL components are enumerated via DVSEC fields in the extended PCIe header space. CXL components will minimally implement some subset of CXL.mem and CXL.cache registers defined in 8.2.5 of the CXL 2.0 specification. Two headers and a utility library are introduced to support the minimum functionality needed to enumerate components.
The cxl_pci header manages bits associated with PCI, specifically the DVSEC and related fields. The cxl_component.h variant has data structures and APIs that are useful for drivers implementing any of the CXL 2.0 components. The library takes care of making use of the DVSEC bits and the CXL.[mem|cache] registers. Per spec, the registers are little endian.
None of the mechanisms required to enumerate a CXL capable hostbridge are introduced at this point.
Note that the CXL.mem and CXL.cache registers used are always 4B wide. It's possible in the future that this constraint will not hold.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Adam Manzanares <a.manzanares@samsung.com> Message-Id: <20220429144110.25167-3-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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