From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5E50CCA47E for ; Tue, 7 Jun 2022 18:57:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354138AbiFGSzk (ORCPT ); Tue, 7 Jun 2022 14:55:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353528AbiFGSot (ORCPT ); Tue, 7 Jun 2022 14:44:49 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF674187C36; Tue, 7 Jun 2022 10:59:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C3240617A7; Tue, 7 Jun 2022 17:59:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0222C385A5; Tue, 7 Jun 2022 17:59:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654624750; bh=qCYD97p53XY74HmVJjyiatLsAqhNx7HV7fex3PN+4Nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p+u7PvhshQslc9HB1u2GE6SgB4oyJw8hGKXHbacg27mIZLKd1ZrBref37PWD4s8g/ fz9LJ1I7x7GfRcPNrH9ZOPrOhvxrul874YnsNRYYy9yuw1AtApdyUQ+zWqFDoe0hNd hvWw8+pQEmSSSeNdTjaV7JjQTMOAS9NsHkxD92fs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Giovanni Cabiddu , Marco Chiappero , Fiona Trahe , Herbert Xu , Sasha Levin Subject: [PATCH 5.15 399/667] crypto: qat - set COMPRESSION capability for QAT GEN2 Date: Tue, 7 Jun 2022 19:01:04 +0200 Message-Id: <20220607164946.712231844@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607164934.766888869@linuxfoundation.org> References: <20220607164934.766888869@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Giovanni Cabiddu [ Upstream commit cfe4894eccdc7fa5cd35bf34e918614d06ecce38 ] Enhance the device capability detection for QAT GEN2 devices to detect if a device supports the compression service. This is done by checking both the fuse and the strap registers for c62x and c3xxx and only the fuse register for dh895xcc. Signed-off-by: Giovanni Cabiddu Signed-off-by: Marco Chiappero Reviewed-by: Fiona Trahe Reviewed-by: Marco Chiappero Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/qat/qat_common/adf_gen2_hw_data.c | 8 +++++++- drivers/crypto/qat/qat_common/adf_gen2_hw_data.h | 1 + drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c | 2 ++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c index 9c5871e1752a..0ba62b286a85 100644 --- a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c +++ b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c @@ -162,7 +162,8 @@ u32 adf_gen2_get_accel_cap(struct adf_accel_dev *accel_dev) u32 capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC | ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC | ICP_ACCEL_CAPABILITIES_AUTHENTICATION | - ICP_ACCEL_CAPABILITIES_CIPHER; + ICP_ACCEL_CAPABILITIES_CIPHER | + ICP_ACCEL_CAPABILITIES_COMPRESSION; /* Read accelerator capabilities mask */ pci_read_config_dword(pdev, ADF_DEVICE_LEGFUSE_OFFSET, &legfuses); @@ -178,10 +179,15 @@ u32 adf_gen2_get_accel_cap(struct adf_accel_dev *accel_dev) capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION; capabilities &= ~ICP_ACCEL_CAPABILITIES_CIPHER; } + if (legfuses & ICP_ACCEL_MASK_COMPRESS_SLICE) + capabilities &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION; if ((straps | fuses) & ADF_POWERGATE_PKE) capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC; + if ((straps | fuses) & ADF_POWERGATE_DC) + capabilities &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION; + return capabilities; } EXPORT_SYMBOL_GPL(adf_gen2_get_accel_cap); diff --git a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h index 756b0ddfac5e..2aaf02ccbb3a 100644 --- a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h +++ b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h @@ -111,6 +111,7 @@ do { \ (ADF_ARB_REG_SLOT * (index)), value) /* Power gating */ +#define ADF_POWERGATE_DC BIT(23) #define ADF_POWERGATE_PKE BIT(24) /* WDT timers diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c index 0a9ce365a544..a61ad6c93632 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c @@ -97,6 +97,8 @@ static u32 get_accel_cap(struct adf_accel_dev *accel_dev) capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC; if (legfuses & ICP_ACCEL_MASK_AUTH_SLICE) capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION; + if (legfuses & ICP_ACCEL_MASK_COMPRESS_SLICE) + capabilities &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION; return capabilities; } -- 2.35.1