From: Qiang Liu Subject: [PATCH 1/4] Talitos: move the data structure into header file Date: Tue, 10 Jul 2012 13:56:46 +0800 Message-ID: <1341899809-20630-2-git-send-email-qiang.liu@freescale.com> References: <1341899809-20630-1-git-send-email-qiang.liu@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Qiang Liu , Herbert Xu , "David S. Miller" To: , Return-path: Received: from co1ehsobe003.messaging.microsoft.com ([216.32.180.186]:2089 "EHLO co1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752223Ab2GJGSE (ORCPT ); Tue, 10 Jul 2012 02:18:04 -0400 In-Reply-To: <1341899809-20630-1-git-send-email-qiang.liu@freescale.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Move the declaration of talitos data structure into talitos.h. Cc: Herbert Xu Cc: David S. Miller Signed-off-by: Qiang Liu --- drivers/crypto/talitos.c | 108 ---------------------------------------------- drivers/crypto/talitos.h | 108 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 108 insertions(+), 108 deletions(-) diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index dc641c7..cb9e4cd 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -53,114 +53,6 @@ #include "talitos.h" -#define TALITOS_TIMEOUT 100000 -#define TALITOS_MAX_DATA_LEN 65535 - -#define DESC_TYPE(desc_hdr) ((be32_to_cpu(desc_hdr) >> 3) & 0x1f) -#define PRIMARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 28) & 0xf) -#define SECONDARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 16) & 0xf) - -/* descriptor pointer entry */ -struct talitos_ptr { - __be16 len; /* length */ - u8 j_extent; /* jump to sg link table and/or extent */ - u8 eptr; /* extended address */ - __be32 ptr; /* address */ -}; - -static const struct talitos_ptr zero_entry = { - .len = 0, - .j_extent = 0, - .eptr = 0, - .ptr = 0 -}; - -/* descriptor */ -struct talitos_desc { - __be32 hdr; /* header high bits */ - __be32 hdr_lo; /* header low bits */ - struct talitos_ptr ptr[7]; /* ptr/len pair array */ -}; - -/** - * talitos_request - descriptor submission request - * @desc: descriptor pointer (kernel virtual) - * @dma_desc: descriptor's physical bus address - * @callback: whom to call when descriptor processing is done - * @context: caller context (optional) - */ -struct talitos_request { - struct talitos_desc *desc; - dma_addr_t dma_desc; - void (*callback) (struct device *dev, struct talitos_desc *desc, - void *context, int error); - void *context; -}; - -/* per-channel fifo management */ -struct talitos_channel { - void __iomem *reg; - - /* request fifo */ - struct talitos_request *fifo; - - /* number of requests pending in channel h/w fifo */ - atomic_t submit_count ____cacheline_aligned; - - /* request submission (head) lock */ - spinlock_t head_lock ____cacheline_aligned; - /* index to next free descriptor request */ - int head; - - /* request release (tail) lock */ - spinlock_t tail_lock ____cacheline_aligned; - /* index to next in-progress/done descriptor request */ - int tail; -}; - -struct talitos_private { - struct device *dev; - struct platform_device *ofdev; - void __iomem *reg; - int irq[2]; - - /* SEC version geometry (from device tree node) */ - unsigned int num_channels; - unsigned int chfifo_len; - unsigned int exec_units; - unsigned int desc_types; - - /* SEC Compatibility info */ - unsigned long features; - - /* - * length of the request fifo - * fifo_len is chfifo_len rounded up to next power of 2 - * so we can use bitwise ops to wrap - */ - unsigned int fifo_len; - - struct talitos_channel *chan; - - /* next channel to be assigned next incoming descriptor */ - atomic_t last_chan ____cacheline_aligned; - - /* request callback tasklet */ - struct tasklet_struct done_task[2]; - - /* list of registered algorithms */ - struct list_head alg_list; - - /* hwrng device */ - struct hwrng rng; -}; - -/* .features flag */ -#define TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT 0x00000001 -#define TALITOS_FTR_HW_AUTH_CHECK 0x00000002 -#define TALITOS_FTR_SHA224_HWINIT 0x00000004 -#define TALITOS_FTR_HMAC_OK 0x00000008 - static void to_talitos_ptr(struct talitos_ptr *talitos_ptr, dma_addr_t dma_addr) { talitos_ptr->ptr = cpu_to_be32(lower_32_bits(dma_addr)); diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h index 3c17395..21934be 100644 --- a/drivers/crypto/talitos.h +++ b/drivers/crypto/talitos.h @@ -28,6 +28,114 @@ * */ +#define TALITOS_TIMEOUT 100000 +#define TALITOS_MAX_DATA_LEN 65535 + +#define DESC_TYPE(desc_hdr) ((be32_to_cpu(desc_hdr) >> 3) & 0x1f) +#define PRIMARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 28) & 0xf) +#define SECONDARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 16) & 0xf) + +/* descriptor pointer entry */ +struct talitos_ptr { + __be16 len; /* length */ + u8 j_extent; /* jump to sg link table and/or extent */ + u8 eptr; /* extended address */ + __be32 ptr; /* address */ +}; + +static const struct talitos_ptr zero_entry = { + .len = 0, + .j_extent = 0, + .eptr = 0, + .ptr = 0 +}; + +/* descriptor */ +struct talitos_desc { + __be32 hdr; /* header high bits */ + __be32 hdr_lo; /* header low bits */ + struct talitos_ptr ptr[7]; /* ptr/len pair array */ +}; + +/** + * talitos_request - descriptor submission request + * @desc: descriptor pointer (kernel virtual) + * @dma_desc: descriptor's physical bus address + * @callback: whom to call when descriptor processing is done + * @context: caller context (optional) + */ +struct talitos_request { + struct talitos_desc *desc; + dma_addr_t dma_desc; + void (*callback) (struct device *dev, struct talitos_desc *desc, + void *context, int error); + void *context; +}; + +/* per-channel fifo management */ +struct talitos_channel { + void __iomem *reg; + + /* request fifo */ + struct talitos_request *fifo; + + /* number of requests pending in channel h/w fifo */ + atomic_t submit_count ____cacheline_aligned; + + /* request submission (head) lock */ + spinlock_t head_lock ____cacheline_aligned; + /* index to next free descriptor request */ + int head; + + /* request release (tail) lock */ + spinlock_t tail_lock ____cacheline_aligned; + /* index to next in-progress/done descriptor request */ + int tail; +}; + +struct talitos_private { + struct device *dev; + struct platform_device *ofdev; + void __iomem *reg; + int irq[2]; + + /* SEC version geometry (from device tree node) */ + unsigned int num_channels; + unsigned int chfifo_len; + unsigned int exec_units; + unsigned int desc_types; + + /* SEC Compatibility info */ + unsigned long features; + + /* + * length of the request fifo + * fifo_len is chfifo_len rounded up to next power of 2 + * so we can use bitwise ops to wrap + */ + unsigned int fifo_len; + + struct talitos_channel *chan; + + /* next channel to be assigned next incoming descriptor */ + atomic_t last_chan ____cacheline_aligned; + + /* request callback tasklet */ + struct tasklet_struct done_task[2]; + + /* list of registered algorithms */ + struct list_head alg_list; + + /* hwrng device */ + struct hwrng rng; +}; + +/* .features flag */ +#define TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT 0x00000001 +#define TALITOS_FTR_HW_AUTH_CHECK 0x00000002 +#define TALITOS_FTR_SHA224_HWINIT 0x00000004 +#define TALITOS_FTR_HMAC_OK 0x00000008 + /* * TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register */ -- 1.7.5.1