From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kent Yoder Subject: [PATCH v3 05/17] pseries: Enabled the PFO-based RNG accelerator Date: Thu, 12 Apr 2012 10:17:51 -0500 Message-ID: <1334243871.18090.15.camel@key-ThinkPad-W510> References: <1334242825.18090.4.camel@key-ThinkPad-W510> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: linux-crypto@vger.kernel.org, rcj@linux.vnet.ibm.com, key@linux.vnet.ibm.com, benh@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org To: linux-kernel@vger.kernel.org Return-path: Received: from e34.co.us.ibm.com ([32.97.110.152]:37609 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933900Ab2DLPVh (ORCPT ); Thu, 12 Apr 2012 11:21:37 -0400 Received: from /spool/local by e34.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 12 Apr 2012 09:21:36 -0600 In-Reply-To: <1334242825.18090.4.camel@key-ThinkPad-W510> Sender: linux-crypto-owner@vger.kernel.org List-ID: This patch adds the cas bits to advertise support for the Platform Facilities Option (PFO) based random number generator accerator. The pseries-rng driver provides support for this hardware feature. Signed-off-by: Robert Jennings Signed-off-by: Kent Yoder --- arch/powerpc/kernel/prom_init.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 9986027..26f6317 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -701,6 +701,7 @@ static void __init early_cmdline_parse(void) #define OV5_XCMO 0x00 #endif #define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */ +#define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */ /* Option Vector 6: IBM PAPR hints */ #define OV6_LINUX 0x02 /* Linux is our OS */ @@ -748,7 +749,7 @@ static unsigned char ibm_architecture_vec[] = { 0, /* don't halt */ /* option vector 5: PAPR/OF options */ - 13 - 2, /* length */ + 18 - 2, /* length */ 0, /* don't ignore, don't halt */ OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_DONATE_DEDICATE_CPU | OV5_MSI, @@ -764,6 +765,11 @@ static unsigned char ibm_architecture_vec[] = { */ #define IBM_ARCH_VEC_NRCORES_OFFSET 100 W(NR_CPUS), /* number of cores supported */ + 0, + 0, + 0, + 0, + OV5_PFO_HW_RNG, /* option vector 6: IBM PAPR hints */ 4 - 2, /* length */ -- 1.7.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e9.ny.us.ibm.com (e9.ny.us.ibm.com [32.97.182.139]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e9.ny.us.ibm.com", Issuer "GeoTrust SSL CA" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 1C9ACB7062 for ; Fri, 13 Apr 2012 01:21:53 +1000 (EST) Received: from /spool/local by e9.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 12 Apr 2012 11:21:50 -0400 Received: from d01relay05.pok.ibm.com (d01relay05.pok.ibm.com [9.56.227.237]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id 3A9B038C8198 for ; Thu, 12 Apr 2012 11:21:25 -0400 (EDT) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay05.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q3CFLPET163022 for ; Thu, 12 Apr 2012 11:21:25 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q3CFLOx2003897 for ; Thu, 12 Apr 2012 11:21:25 -0400 Message-ID: <1334243871.18090.15.camel@key-ThinkPad-W510> Subject: [PATCH v3 05/17] pseries: Enabled the PFO-based RNG accelerator From: Kent Yoder To: linux-kernel@vger.kernel.org Date: Thu, 12 Apr 2012 10:17:51 -0500 In-Reply-To: <1334242825.18090.4.camel@key-ThinkPad-W510> References: <1334242825.18090.4.camel@key-ThinkPad-W510> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: key@linux.vnet.ibm.com, rcj@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch adds the cas bits to advertise support for the Platform Facilities Option (PFO) based random number generator accerator. The pseries-rng driver provides support for this hardware feature. Signed-off-by: Robert Jennings Signed-off-by: Kent Yoder --- arch/powerpc/kernel/prom_init.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 9986027..26f6317 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -701,6 +701,7 @@ static void __init early_cmdline_parse(void) #define OV5_XCMO 0x00 #endif #define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */ +#define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */ /* Option Vector 6: IBM PAPR hints */ #define OV6_LINUX 0x02 /* Linux is our OS */ @@ -748,7 +749,7 @@ static unsigned char ibm_architecture_vec[] = { 0, /* don't halt */ /* option vector 5: PAPR/OF options */ - 13 - 2, /* length */ + 18 - 2, /* length */ 0, /* don't ignore, don't halt */ OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_DONATE_DEDICATE_CPU | OV5_MSI, @@ -764,6 +765,11 @@ static unsigned char ibm_architecture_vec[] = { */ #define IBM_ARCH_VEC_NRCORES_OFFSET 100 W(NR_CPUS), /* number of cores supported */ + 0, + 0, + 0, + 0, + OV5_PFO_HW_RNG, /* option vector 6: IBM PAPR hints */ 4 - 2, /* length */ -- 1.7.1