On Mon, Aug 3, 2020 at 11:29 PM Atish Patra <atish.patra@xxxxxxx> wrote: > > The Supervisor Binary Interface(SBI) specification[1] now defines a > base extension that provides extendability to add future extensions > while maintaining backward compatibility with previous versions. > The new version is defined as 0.2 and older version is marked as 0.1. > > This series adds following features to RISC-V Linux KVM. > 1. Adds support for SBI v0.2 in KVM > 2. SBI Hart state management extension (HSM) in KVM > 3. Ordered booting of guest vcpus in guest Linux > > This series depends on the base kvm support series[2]. > > Guest kernel needs to also support SBI v0.2 and HSM extension in Kernel > to boot multiple vcpus. Linux kernel supports both starting v5.7. > In absense of that, guest can only boot 1vcpu. > > [1] https://github.com/riscv/riscv-sbi-doc/blob/master/riscv-sbi.adoc > [2] http://lists.infradead.org/pipermail/linux-riscv/2020-July/001028.html > > Atish Patra (6): > RISC-V: Add a non-void return for sbi v02 functions > RISC-V: Mark the existing SBI v0.1 implementation as legacy > RISC-V: Reorganize SBI code by moving legacy SBI to its own file > RISC-V: Add SBI v0.2 base extension > RISC-V: Add v0.1 replacement SBI extensions defined in v02 > RISC-V: Add SBI HSM extension in KVM > > arch/riscv/include/asm/kvm_vcpu_sbi.h | 32 +++++ > arch/riscv/include/asm/sbi.h | 17 ++- > arch/riscv/kernel/sbi.c | 32 ++--- > arch/riscv/kvm/Makefile | 4 +- > arch/riscv/kvm/vcpu.c | 19 +++ > arch/riscv/kvm/vcpu_sbi.c | 194 ++++++++++++-------------- > arch/riscv/kvm/vcpu_sbi_base.c | 73 ++++++++++ > arch/riscv/kvm/vcpu_sbi_hsm.c | 109 +++++++++++++++ > arch/riscv/kvm/vcpu_sbi_legacy.c | 129 +++++++++++++++++ > arch/riscv/kvm/vcpu_sbi_replace.c | 136 ++++++++++++++++++ > 10 files changed, 619 insertions(+), 126 deletions(-) > create mode 100644 arch/riscv/include/asm/kvm_vcpu_sbi.h > create mode 100644 arch/riscv/kvm/vcpu_sbi_base.c > create mode 100644 arch/riscv/kvm/vcpu_sbi_hsm.c > create mode 100644 arch/riscv/kvm/vcpu_sbi_legacy.c > create mode 100644 arch/riscv/kvm/vcpu_sbi_replace.c > > -- > 2.24.0 > Please implement the SBI SRST extension in your series. Also, the PATCH1 can be merged separately so I would suggest you to send this patch separately. Regards, Anup
