linux-kernel - [PATCH 0/4] SBI MPXY support for KVM Guest

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Message-ID: <20251017155925.361560-1-apatel@ventanamicro.com>
Date: Fri, 17 Oct 2025 21:29:21 +0530
From: Anup Patel <apatel@...tanamicro.com>
To: Atish Patra <atish.patra@...ux.dev>,
	Andrew Jones <ajones@...tanamicro.com>
Cc: Palmer Dabbelt <palmer@...belt.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Alexandre Ghiti <alex@...ti.fr>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Shuah Khan <shuah@...nel.org>,
	Anup Patel <anup@...infault.org>,
	kvm@...r.kernel.org,
	kvm-riscv@...ts.infradead.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Anup Patel <apatel@...tanamicro.com>
Subject: [PATCH 0/4] SBI MPXY support for KVM Guest

This series adds SBI MPXY support for KVM Guest/VM which will
enable QEMU-KVM or KVMTOOL to emulate RPMI MPXY channels for the
Guest/VM.

These patches can also be found in riscv_kvm_sbi_mpxy_v1 branch
at: https://github.com/avpatel/linux.git

Anup Patel (4):
  RISC-V: KVM: Convert kvm_riscv_vcpu_sbi_forward() into extension
    handler
  RISC-V: KVM: Add separate source for forwarded SBI extensions
  RISC-V: KVM: Add SBI MPXY extension support for Guest
  KVM: riscv: selftests: Add SBI MPXY extension to get-reg-list

 arch/riscv/include/asm/kvm_vcpu_sbi.h         |  5 ++-
 arch/riscv/include/uapi/asm/kvm.h             |  1 +
 arch/riscv/kvm/Makefile                       |  1 +
 arch/riscv/kvm/vcpu_sbi.c                     | 10 +++++-
 arch/riscv/kvm/vcpu_sbi_base.c                | 28 +--------------
 arch/riscv/kvm/vcpu_sbi_forward.c             | 34 +++++++++++++++++++
 arch/riscv/kvm/vcpu_sbi_replace.c             | 32 -----------------
 arch/riscv/kvm/vcpu_sbi_system.c              |  4 +--
 arch/riscv/kvm/vcpu_sbi_v01.c                 |  3 +-
 .../selftests/kvm/riscv/get-reg-list.c        |  4 +++
 10 files changed, 56 insertions(+), 66 deletions(-)
 create mode 100644 arch/riscv/kvm/vcpu_sbi_forward.c

-- 
2.43.0