[RFC PATCH v2 7/9] hw/riscv: add CBQRI controllers to virt machine

fault: 1024) target= Boolean options correspond to hardware capabilities that can be disabled Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Changes since v1: - remove initialization of the example SoC now that device properties can be use to configure controllers from the co

[RFC PATCH v2 5/9] hw/riscv: Kconfig: add CBQRI options

From: Nicolas Pitre Add boolean property for CBQRI and imply it should be enabled for the RISC-V virt machine. Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Changes since v1: - remove example SoC now that command line arguments supported for CBQRI - change 'select RISC_

[RFC PATCH v2 2/9] hw/riscv: define capabilities of CBQRI controllers

Pitre Signed-off-by: Drew Fustini --- Changes since v1: - Move defines TYPE_RISCV_CBQRI_CC from cbqri_capacity.c and TYPE_RISCV_CBQRI_BC from cbqri_bandwidth.c into include/hw/riscv.h so machines can include it (suggested by Alistair) include/hw/riscv/cbqri.h | 81

[RFC PATCH v2 9/9] hw/riscv: build example SoC when CBQRI_EXAMPLE_SOC enabled

Build the example SoC instantiation code when CBQRI_EXAMPLE_SOC is enabled. Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Note: the example SoC instantiation code is only included for reference and it is not required anymore for the CBQRI proof-of-concept to work. The CBQRI

[RFC PATCH v2 6/9] hw/riscv: meson: add CBQRI controllers to the build

From: Nicolas Pitre Build the CBQRI controllers when RISC-V CBQRI is enabled by Kconfig. Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Changes since v1: - remove example SoC now that command line arguments supported for CBQRI hw/riscv/meson.build | 2 ++ 1 file changed, 2

[RFC PATCH v2 0/9] riscv: implement Ssqosid extension and CBQRI controllers

This RFC series implements the Ssqosid extension and the sqoscfg CSR as defined in the RISC-V Capacity and Bandwidth Controller QoS Register Interface (CBQRI) specification [1]. Quality of Service (QoS) in this context is concerned with shared resources on an SoC such as cache capacity and memory b

[RFC PATCH v2 8/9] hw/riscv: instantiate CBQRI controllers for an example SoC

controller 0x4821000 4KB Cluster 1 L2 cache controller 0x4828000 4KB Memory controller 0 0x4829000 4KB Memory controller 1 0x482A000 4KB Memory controller 2 0x482B000 4KB Shared LLC cache controller Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Note: this example SoC

[RFC PATCH v2 3/9] hw/riscv: implement CBQRI capacity controller

, Occupancy - Capacity allocation ops: CONFIG_LIMIT, READ_LIMIT, FLUSH_RCID Link: https://github.com/riscv-non-isa/riscv-cbqri/blob/main/riscv-cbqri.pdf Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Changes since v1: - Move TYPE_RISCV_CBQRI_CC to include/hw/riscv/cbqri.h so that

[RFC PATCH v2 1/9] riscv: implement Ssqosid extension and sqoscfg CSR

message] Signed-off-by: Drew Fustini --- Changes since v1: - rebase on current master (v8.0.50) instead of 8.0.0-rc4 disas/riscv.c | 1 + target/riscv/cpu.c | 2 ++ target/riscv/cpu.h | 3 +++ target/riscv/cpu_bits.h | 5 + target/riscv/csr.c | 34

[RFC PATCH v2 4/9] hw/riscv: implement CBQRI bandwidth controller

, Total read/write byte count, Total read byte count, Total write byte count - Bandwidth allocation operations: CONFIG_LIMIT, READ_LIMIT Link: https://github.com/riscv-non-isa/riscv-cbqri/blob/main/riscv-cbqri.pdf Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini

[RFC PATCH 2/8] hw/riscv: define capabilities of CBQRI controllers

Pitre Signed-off-by: Drew Fustini --- include/hw/riscv/cbqri.h | 81 1 file changed, 81 insertions(+) create mode 100644 include/hw/riscv/cbqri.h diff --git a/include/hw/riscv/cbqri.h b/include/hw/riscv/cbqri.h new file mode 100644 index

[RFC PATCH 0/8] riscv: implement Ssqosid extension and CBQRI controllers

This RFC series implements the Ssqosid extension and the sqoscfg CSR as defined in the RISC-V Capacity and Bandwidth Controller QoS Register Interface (CBQRI) specification [1]. Quality of Service (QoS) in this context is concerned with shared resources on an SoC such as cache capacity and memory b

[RFC PATCH 7/8] hw/riscv: meson: add CBQRI options to the build

From: Nicolas Pitre Build the CBQRI controllers and CBQRI example configuration when enabled by Kconfig. Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- hw/riscv/meson.build | 4 1 file changed, 4 insertions(+) diff --git a/hw/riscv/meson.build b/hw/riscv/meson.build index

[RFC PATCH 5/8] hw/riscv: instantiate CBQRI controllers for an example SoC

controller 0x4821000 4KB Cluster 1 L2 cache controller 0x4828000 4KB Memory controller 0 0x4829000 4KB Memory controller 1 0x482A000 4KB Memory controller 2 0x482B000 4KB Shared LLC cache controller Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Note: this solution is

[RFC PATCH 1/8] riscv: implement Ssqosid extension and sqoscfg CSR

message] Signed-off-by: Drew Fustini --- Note: the Ssqosid extension and CBQRI spec are still in a draft state. The CSR address of sqoscfg is not final. disas/riscv.c | 1 + target/riscv/cpu.c | 2 ++ target/riscv/cpu.h | 3 +++ target/riscv/cpu_bits.h | 5 + target

[RFC PATCH 8/8] hw/riscv: virt: initialize the CBQRI example SoC

From: Nicolas Pitre Initialize an example SoC that instantiates CBQRI capacity and bandwidth controllers with specific parameters for testing purposes. Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- Note: this solution is not flexible enough for upstream inclusion. Future work

[RFC PATCH 6/8] hw/riscv: Kconfig: add CBQRI options

From: Nicolas Pitre Add Kconfig options for CBQRI and an example instantiation of capacity and bandwidth controllers. Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- hw/riscv/Kconfig | 8 1 file changed, 8 insertions(+) diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig

[RFC PATCH 4/8] hw/riscv: implement CBQRI memory controller

Signed-off-by: Drew Fustini --- hw/riscv/cbqri_bandwidth.c | 511 + 1 file changed, 511 insertions(+) create mode 100644 hw/riscv/cbqri_bandwidth.c diff --git a/hw/riscv/cbqri_bandwidth.c b/hw/riscv/cbqri_bandwidth.c new file mode 100644 index

[RFC PATCH 3/8] hw/riscv: implement CBQRI capacity controller

, Occupancy - Capacity allocation ops: CONFIG_LIMIT, READ_LIMIT, FLUSH_RCID Link: https://github.com/riscv-non-isa/riscv-cmqri/blob/main/riscv-cbqri.pdf Signed-off-by: Nicolas Pitre Signed-off-by: Drew Fustini --- hw/riscv/cbqri_capacity.c | 532 ++ 1 file