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From beb1e6d71f0ef906ff986710fdd4ad4fc1542302 Mon Sep 17 00:00:00 2001
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From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
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Date: Thu, 16 Dec 2021 09:13:33 +0000
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Subject: [PATCH] crypto: qat - allow detection of dc capabilities for 4xxx
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Git-commit: beb1e6d71f0ef906ff986710fdd4ad4fc1542302
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Patch-mainline: v5.17-rc1
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References: jsc#PED-1073
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Add logic to allow the detection of data compression capabilities for
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4xxx devices.
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The capability detection logic has been refactored to separate the
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crypto capabilities from the compression ones.
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This patch is not updating the returned capability mask as, up to now,
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4xxx devices are configured only to handle crypto operations.
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Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
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Signed-off-by: Marco Chiappero <marco.chiappero@intel.com>
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Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
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Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Torsten Duwe <duwe@suse.de>
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---
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.../crypto/qat/qat_4xxx/adf_4xxx_hw_data.c | 64 +++++++++++--------
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drivers/crypto/qat/qat_common/icp_qat_hw.h | 6 +-
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2 files changed, 44 insertions(+), 26 deletions(-)
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diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
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index ef71aa4efd646..40f684103b293 100644
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--- a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
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+++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c
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@@ -96,46 +96,60 @@ static void set_msix_default_rttable(struct adf_accel_dev *accel_dev)
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static u32 get_accel_cap(struct adf_accel_dev *accel_dev)
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{
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struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
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+ u32 capabilities_cy, capabilities_dc;
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u32 fusectl1;
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- u32 capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
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- ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
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- ICP_ACCEL_CAPABILITIES_CIPHER |
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- ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
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- ICP_ACCEL_CAPABILITIES_SHA3 |
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- ICP_ACCEL_CAPABILITIES_SHA3_EXT |
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- ICP_ACCEL_CAPABILITIES_HKDF |
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- ICP_ACCEL_CAPABILITIES_ECEDMONT |
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- ICP_ACCEL_CAPABILITIES_CHACHA_POLY |
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- ICP_ACCEL_CAPABILITIES_AESGCM_SPC |
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- ICP_ACCEL_CAPABILITIES_AES_V2;
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/* Read accelerator capabilities mask */
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pci_read_config_dword(pdev, ADF_4XXX_FUSECTL1_OFFSET, &fusectl1);
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+ capabilities_cy = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
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+ ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
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+ ICP_ACCEL_CAPABILITIES_CIPHER |
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+ ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
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+ ICP_ACCEL_CAPABILITIES_SHA3 |
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+ ICP_ACCEL_CAPABILITIES_SHA3_EXT |
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+ ICP_ACCEL_CAPABILITIES_HKDF |
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+ ICP_ACCEL_CAPABILITIES_ECEDMONT |
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+ ICP_ACCEL_CAPABILITIES_CHACHA_POLY |
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+ ICP_ACCEL_CAPABILITIES_AESGCM_SPC |
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+ ICP_ACCEL_CAPABILITIES_AES_V2;
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+
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/* A set bit in fusectl1 means the feature is OFF in this SKU */
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if (fusectl1 & ICP_ACCEL_4XXX_MASK_CIPHER_SLICE) {
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_HKDF;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_HKDF;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
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}
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if (fusectl1 & ICP_ACCEL_4XXX_MASK_UCS_SLICE) {
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_CHACHA_POLY;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_AESGCM_SPC;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_AES_V2;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CHACHA_POLY;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_AESGCM_SPC;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_AES_V2;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
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}
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if (fusectl1 & ICP_ACCEL_4XXX_MASK_AUTH_SLICE) {
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_SHA3;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_SHA3_EXT;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_SHA3;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_SHA3_EXT;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
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}
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if (fusectl1 & ICP_ACCEL_4XXX_MASK_PKE_SLICE) {
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
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- capabilities &= ~ICP_ACCEL_CAPABILITIES_ECEDMONT;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
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+ capabilities_cy &= ~ICP_ACCEL_CAPABILITIES_ECEDMONT;
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+ }
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+
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+ capabilities_dc = ICP_ACCEL_CAPABILITIES_COMPRESSION |
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+ ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION |
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+ ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION |
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+ ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64;
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+
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+ if (fusectl1 & ICP_ACCEL_4XXX_MASK_COMPRESS_SLICE) {
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+ capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION;
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+ capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION;
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+ capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION;
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+ capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64;
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}
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- return capabilities;
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+ return capabilities_cy;
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}
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static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
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diff --git a/drivers/crypto/qat/qat_common/icp_qat_hw.h b/drivers/crypto/qat/qat_common/icp_qat_hw.h
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index 5770b2b2c09e5..433304cad2edf 100644
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--- a/drivers/crypto/qat/qat_common/icp_qat_hw.h
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+++ b/drivers/crypto/qat/qat_common/icp_qat_hw.h
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@@ -98,7 +98,11 @@ enum icp_qat_capabilities_mask {
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ICP_ACCEL_CAPABILITIES_SHA3_EXT = BIT(15),
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ICP_ACCEL_CAPABILITIES_AESGCM_SPC = BIT(16),
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ICP_ACCEL_CAPABILITIES_CHACHA_POLY = BIT(17),
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- /* Bits 18-25 are currently reserved */
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+ /* Bits 18-21 are currently reserved */
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+ ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY = BIT(22),
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+ ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64 = BIT(23),
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+ ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION = BIT(24),
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+ ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION = BIT(25),
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ICP_ACCEL_CAPABILITIES_AES_V2 = BIT(26)
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};
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--
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2.35.3
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