From patchwork Thu Jul 19 14:42:39 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/4] powerpc/crypto: add compression support to arch vec Date: Thu, 19 Jul 2012 04:42:39 -0000 From: Seth Jennings X-Patchwork-Id: 171960 Message-Id: <1342708961-28587-3-git-send-email-sjenning@linux.vnet.ibm.com> To: Benjamin Herrenschmidt Cc: Seth Jennings , Kent Yoder , Herbert Xu , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Paul Mackerras , Jeff Kirsher , Andrew Morton , Robert Jennings , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , linux-crypto@vger.kernel.org This patch enables compression engine support in the architecture vector. This causes the Power hypervisor to allow access to the nx comrpession accelerator. Signed-off-by: Seth Jennings --- arch/powerpc/kernel/prom_init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 0794a30..9ec5e55 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -705,6 +705,7 @@ static void __init early_cmdline_parse(void) #endif #define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */ #define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */ +#define OV5_PFO_HW_842 0x40 /* PFO Compression Accelerator */ #define OV5_PFO_HW_ENCR 0x20 /* PFO Encryption Accelerator */ /* Option Vector 6: IBM PAPR hints */ @@ -774,8 +775,7 @@ static unsigned char ibm_architecture_vec[] = { 0, 0, 0, - OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR, - + OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR | OV5_PFO_HW_842, /* option vector 6: IBM PAPR hints */ 4 - 2, /* length */ 0,