diff options
Diffstat (limited to 'drivers/crypto/ccp/ccp-dev.h')
| -rw-r--r-- | drivers/crypto/ccp/ccp-dev.h | 55 |
1 files changed, 21 insertions, 34 deletions
diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h index a70154ac7405..83350e2d9821 100644 --- a/drivers/crypto/ccp/ccp-dev.h +++ b/drivers/crypto/ccp/ccp-dev.h @@ -1,25 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * AMD Cryptographic Coprocessor (CCP) driver * - * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. + * Copyright (C) 2013,2017 Advanced Micro Devices, Inc. * * Author: Tom Lendacky <thomas.lendacky@amd.com> * Author: Gary R Hook <gary.hook@amd.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __CCP_DEV_H__ #define __CCP_DEV_H__ #include <linux/device.h> -#include <linux/pci.h> #include <linux/spinlock.h> #include <linux/mutex.h> #include <linux/list.h> #include <linux/wait.h> +#include <linux/dma-direction.h> #include <linux/dmapool.h> #include <linux/hw_random.h> #include <linux/bitops.h> @@ -27,6 +24,8 @@ #include <linux/irqreturn.h> #include <linux/dmaengine.h> +#include "sp-dev.h" + #define MAX_CCP_NAME_LEN 16 #define MAX_DMAPOOL_NAME_LEN 32 @@ -192,6 +191,7 @@ #define CCP_AES_CTX_SB_COUNT 1 #define CCP_XTS_AES_KEY_SB_COUNT 1 +#define CCP5_XTS_AES_KEY_SB_COUNT 2 #define CCP_XTS_AES_CTX_SB_COUNT 1 #define CCP_DES3_KEY_SB_COUNT 1 @@ -200,6 +200,7 @@ #define CCP_SHA_SB_COUNT 1 #define CCP_RSA_MAX_WIDTH 4096 +#define CCP5_RSA_MAX_WIDTH 16384 #define CCP_PASSTHRU_BLOCKSIZE 256 #define CCP_PASSTHRU_MASKSIZE 32 @@ -344,12 +345,11 @@ struct ccp_device { char rngname[MAX_CCP_NAME_LEN]; struct device *dev; + struct sp_device *sp; /* Bus specific device information */ void *dev_specific; - int (*get_irq)(struct ccp_device *ccp); - void (*free_irq)(struct ccp_device *ccp); unsigned int qim; unsigned int irq; bool use_tasklet; @@ -362,12 +362,11 @@ struct ccp_device { * them. */ struct mutex req_mutex ____cacheline_aligned; - void __iomem *io_map; void __iomem *io_regs; /* Master lists that all cmds are queued on. Because there can be * more than one CCP command queue that can process a cmd a separate - * backlog list is neeeded so that the backlog completion call + * backlog list is needed so that the backlog completion call * completes before the cmd is available for execution. */ spinlock_t cmd_lock ____cacheline_aligned; @@ -380,6 +379,7 @@ struct ccp_device { */ struct ccp_cmd_queue cmd_q[MAX_HW_QUEUES]; unsigned int cmd_q_count; + unsigned int max_q_count; /* Support for the CCP True RNG */ @@ -469,6 +469,7 @@ struct ccp_sg_workarea { unsigned int sg_used; struct scatterlist *dma_sg; + struct scatterlist *dma_sg_head; struct device *dma_dev; unsigned int dma_count; enum dma_data_direction dma_dir; @@ -497,6 +498,7 @@ struct ccp_aes_op { }; struct ccp_xts_aes_op { + enum ccp_aes_type type; enum ccp_aes_action action; enum ccp_xts_aes_unit_size unit_size; }; @@ -595,8 +597,8 @@ struct dword3 { }; union dword4 { - __le32 dst_lo; /* NON-SHA */ - __le32 sha_len_lo; /* SHA */ + u32 dst_lo; /* NON-SHA */ + u32 sha_len_lo; /* SHA */ }; union dword5 { @@ -606,7 +608,7 @@ union dword5 { unsigned int rsvd1:13; unsigned int fixed:1; } fields; - __le32 sha_len_hi; + u32 sha_len_hi; }; struct dword7 { @@ -617,27 +619,21 @@ struct dword7 { struct ccp5_desc { struct dword0 dw0; - __le32 length; - __le32 src_lo; + u32 length; + u32 src_lo; struct dword3 dw3; union dword4 dw4; union dword5 dw5; - __le32 key_lo; + u32 key_lo; struct dword7 dw7; }; -int ccp_pci_init(void); -void ccp_pci_exit(void); - -int ccp_platform_init(void); -void ccp_platform_exit(void); - void ccp_add_device(struct ccp_device *ccp); void ccp_del_device(struct ccp_device *ccp); -extern void ccp_log_error(struct ccp_device *, int); +extern void ccp_log_error(struct ccp_device *, unsigned int); -struct ccp_device *ccp_alloc_struct(struct device *dev); +struct ccp_device *ccp_alloc_struct(struct sp_device *sp); bool ccp_queues_suspended(struct ccp_device *ccp); int ccp_cmd_queue_thread(void *data); int ccp_trng_read(struct hwrng *rng, void *data, size_t max, bool wait); @@ -669,16 +665,7 @@ struct ccp_actions { irqreturn_t (*irqhandler)(int, void *); }; -/* Structure to hold CCP version-specific values */ -struct ccp_vdata { - const unsigned int version; - const unsigned int dma_chan_attr; - void (*setup)(struct ccp_device *); - const struct ccp_actions *perform; - const unsigned int bar; - const unsigned int offset; -}; - +extern const struct ccp_vdata ccpv3_platform; extern const struct ccp_vdata ccpv3; extern const struct ccp_vdata ccpv5a; extern const struct ccp_vdata ccpv5b; |