From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ECBAD1CE6F7 for ; Tue, 27 Aug 2024 16:53:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724777623; cv=none; b=OA4zLHRB2joW43sabptL5jsifEY4f1Yl9wh8A8b+HSGMqbOVUgFXQ76XohqyHfR9j/aykmyyRi5RFoNgLskoEluKM8zxQCXIIPIHPEswRPBa2ifJ1jdU9WXS0Et7Eu3EOQh/kMRfVRx8mQIeXwBZ6MwMa5zy6+HB+GudWDxEvfA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724777623; c=relaxed/simple; bh=Ur3im3g0CtKUghKbUdIk+oQfKxGMFaRvsQ5zkF9aMfg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MH54W2hJAgZwmRbtgbnssYgIimCwDZgAy2MtSj1TGVpIhajs98kNiYUZKaRz697ySM99DzPEnV6mAcdaFFgiqN5Hvk0OKriuyh2k/6PMApxk3pf2Jhzwvsbihns3Qs/sgKVvGpDDR+vmShuomD5mVjHjAiqdngR6dWbOADSVA9s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=A7F6ETYL; arc=none smtp.client-ip=95.215.58.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="A7F6ETYL" Date: Tue, 27 Aug 2024 18:53:35 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1724777618; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=E/7vLlobYUKupCqbRx6f8nXrjFOpHy/3fF88p1dv2Gw=; b=A7F6ETYLmF9peVmZpLzkI6hDmNf9gNswcek/VYjDAVzi8nhVYFpioMp2Zlgmv4rLtwIDl0 4KTpL/Sq5n6EDZdCQCxSZ9g+nRQjZXwVLLnt+v+PCOXKwMG6ah/DH85J6C/o5MOwFJPHTx 1cP60k6vjCm8kS7sch99KWQh5wM9L2k= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Andrew Jones To: James Raphael Tiovalen Cc: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, atishp@rivosinc.com, cade.richard@berkeley.edu Subject: Re: [kvm-unit-tests PATCH v2 2/4] riscv: sbi: Add IPI extension support Message-ID: <20240827-4fcdc699204019ca47d3e5cd@orel> References: <20240825170824.107467-1-jamestiotio@gmail.com> <20240825170824.107467-3-jamestiotio@gmail.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240825170824.107467-3-jamestiotio@gmail.com> X-Migadu-Flow: FLOW_OUT On Mon, Aug 26, 2024 at 01:08:22AM GMT, James Raphael Tiovalen wrote: > Add IPI EID and FID constants and a helper function to perform the IPI > SBI ecall. > > Signed-off-by: James Raphael Tiovalen > --- > lib/riscv/asm/sbi.h | 6 ++++++ > lib/riscv/sbi.c | 5 +++++ > 2 files changed, 11 insertions(+) > > diff --git a/lib/riscv/asm/sbi.h b/lib/riscv/asm/sbi.h > index 47e91025..a864e268 100644 > --- a/lib/riscv/asm/sbi.h > +++ b/lib/riscv/asm/sbi.h > @@ -17,6 +17,7 @@ > enum sbi_ext_id { > SBI_EXT_BASE = 0x10, > SBI_EXT_TIME = 0x54494d45, > + SBI_EXT_IPI = 0x735049, > SBI_EXT_HSM = 0x48534d, > SBI_EXT_SRST = 0x53525354, > SBI_EXT_DBCN = 0x4442434E, > @@ -43,6 +44,10 @@ enum sbi_ext_time_fid { > SBI_EXT_TIME_SET_TIMER = 0, > }; > > +enum sbi_ext_ipi_fid { > + SBI_EXT_IPI_SEND_IPI = 0, > +}; > + > enum sbi_ext_dbcn_fid { > SBI_EXT_DBCN_CONSOLE_WRITE = 0, > SBI_EXT_DBCN_CONSOLE_READ, > @@ -61,6 +66,7 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, > > void sbi_shutdown(void); > struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned long sp); > +struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base); > long sbi_probe(int ext); > > #endif /* !__ASSEMBLY__ */ > diff --git a/lib/riscv/sbi.c b/lib/riscv/sbi.c > index 3d4236e5..19d58ab7 100644 > --- a/lib/riscv/sbi.c > +++ b/lib/riscv/sbi.c > @@ -39,6 +39,11 @@ struct sbiret sbi_hart_start(unsigned long hartid, unsigned long entry, unsigned > return sbi_ecall(SBI_EXT_HSM, SBI_EXT_HSM_HART_START, hartid, entry, sp, 0, 0, 0); > } > > +struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base) > +{ > + return sbi_ecall(SBI_EXT_IPI, SBI_EXT_IPI_SEND_IPI, hart_mask, hart_mask_base, 0, 0, 0, 0); > +} > + > long sbi_probe(int ext) > { > struct sbiret ret; > -- > 2.43.0 > > Queued to riscv/sbi, https://gitlab.com/jones-drew/kvm-unit-tests/-/commits/riscv/sbi Thanks, drew