KVM/riscv changes for 6.7

[Anup Patel]

Hi Paolo,

On Tue, Oct 24, 2023 at 1:25 PM Anup Patel <anup at brainfault.org> wrote:
>
> Hi Paolo,
>
> We have the following KVM RISC-V changes for 6.7:
> 1) Smstateen and Zicond support for Guest/VM
> 2) Virtualized senvcfg CSR for Guest/VM
> 3) Added Smstateen registers to the get-reg-list selftests
> 4) Added Zicond to the get-reg-list selftests
> 5) Virtualized SBI debug console (DBCN) for Guest/VM
> 6) Added SBI debug console (DBCN) to the get-reg-list selftests
>
> Please pull.
>
> Please note that the following four patches are part of the
> shared tag kvm-riscv-shared-tag-6.7 provided to Palmer:
>  - dt-bindings: riscv: Add Zicond extension entry
>  - RISC-V: Detect Zicond from ISA string
>  - dt-bindings: riscv: Add smstateen entry
>  - RISC-V: Detect Smstateen extension

Forgot "GIT PULL" prefix in the email. Please disregard this email.
Apologies for the noise.

Regards,
Anup

>
> Regards,
> Anup
>
> The following changes since commit 94f6f0550c625fab1f373bb86a6669b45e9748b3:
>
>   Linux 6.6-rc5 (2023-10-08 13:49:43 -0700)
>
> are available in the Git repository at:
>
>   https://github.com/kvm-riscv/linux.git tags/kvm-riscv-6.7-1
>
> for you to fetch changes up to d9c00f44e5de542340cce1d09e2c990e16c0ed3a:
>
>   KVM: riscv: selftests: Add SBI DBCN extension to get-reg-list test
> (2023-10-20 16:50:39 +0530)
>
> ----------------------------------------------------------------
> KVM/riscv changes for 6.7
>
> - Smstateen and Zicond support for Guest/VM
> - Virtualized senvcfg CSR for Guest/VM
> - Added Smstateen registers to the get-reg-list selftests
> - Added Zicond to the get-reg-list selftests
> - Virtualized SBI debug console (DBCN) for Guest/VM
> - Added SBI debug console (DBCN) to the get-reg-list selftests
>
> ----------------------------------------------------------------
> Andrew Jones (3):
>       MAINTAINERS: RISC-V: KVM: Add another kselftests path
>       KVM: selftests: Add array order helpers to riscv get-reg-list
>       KVM: riscv: selftests: get-reg-list print_reg should never fail
>
> Anup Patel (11):
>       RISC-V: Detect Zicond from ISA string
>       dt-bindings: riscv: Add Zicond extension entry
>       RISC-V: KVM: Allow Zicond extension for Guest/VM
>       KVM: riscv: selftests: Add senvcfg register to get-reg-list test
>       KVM: riscv: selftests: Add smstateen registers to get-reg-list test
>       KVM: riscv: selftests: Add condops extensions to get-reg-list test
>       RISC-V: Add defines for SBI debug console extension
>       RISC-V: KVM: Change the SBI specification version to v2.0
>       RISC-V: KVM: Allow some SBI extensions to be disabled by default
>       RISC-V: KVM: Forward SBI DBCN extension to user-space
>       KVM: riscv: selftests: Add SBI DBCN extension to get-reg-list test
>
> Mayuresh Chitale (7):
>       RISC-V: Detect Smstateen extension
>       dt-bindings: riscv: Add smstateen entry
>       RISC-V: KVM: Add kvm_vcpu_config
>       RISC-V: KVM: Enable Smstateen accesses
>       RISCV: KVM: Add senvcfg context save/restore
>       RISCV: KVM: Add sstateen0 context save/restore
>       RISCV: KVM: Add sstateen0 to ONE_REG
>
>  .../devicetree/bindings/riscv/extensions.yaml      |  12 ++
>  MAINTAINERS                                        |   1 +
>  arch/riscv/include/asm/csr.h                       |  18 ++
>  arch/riscv/include/asm/hwcap.h                     |   2 +
>  arch/riscv/include/asm/kvm_host.h                  |  18 ++
>  arch/riscv/include/asm/kvm_vcpu_sbi.h              |   7 +-
>  arch/riscv/include/asm/sbi.h                       |   7 +
>  arch/riscv/include/uapi/asm/kvm.h                  |  12 ++
>  arch/riscv/kernel/cpufeature.c                     |   2 +
>  arch/riscv/kvm/vcpu.c                              |  76 +++++--
>  arch/riscv/kvm/vcpu_onereg.c                       |  72 ++++++-
>  arch/riscv/kvm/vcpu_sbi.c                          |  61 +++---
>  arch/riscv/kvm/vcpu_sbi_replace.c                  |  32 +++
>  tools/testing/selftests/kvm/riscv/get-reg-list.c   | 233 +++++++++++++--------
>  14 files changed, 418 insertions(+), 135 deletions(-)