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authorHoria Geanta <horia.geanta@freescale.com>2012-07-03 12:16:51 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2012-07-10 23:08:29 -0400
commitd1a0eb98e7a8b7e244e31430fdb1a752243e2698 (patch)
tree511f20120f7a618d8de4e690c48ad0e8bcf916a4 /drivers/crypto/talitos.c
parentde197533485c09598215802b0e401a688e172573 (diff)
crypto: talitos - move talitos structures to header file
This patch moves the talitos structure definitions from c file to its header file so that the same can be shared on need basis. Signed-off-by: Sandeep Malik <Sandeep.Malik@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.c')
-rw-r--r--drivers/crypto/talitos.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 921039e56f87..bb3e63f5596b 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -53,117 +53,6 @@
53 53
54#include "talitos.h" 54#include "talitos.h"
55 55
56#define TALITOS_TIMEOUT 100000
57#define TALITOS_MAX_DATA_LEN 65535
58
59#define DESC_TYPE(desc_hdr) ((be32_to_cpu(desc_hdr) >> 3) & 0x1f)
60#define PRIMARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 28) & 0xf)
61#define SECONDARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 16) & 0xf)
62
63/* descriptor pointer entry */
64struct talitos_ptr {
65 __be16 len; /* length */
66 u8 j_extent; /* jump to sg link table and/or extent */
67 u8 eptr; /* extended address */
68 __be32 ptr; /* address */
69};
70
71static const struct talitos_ptr zero_entry = {
72 .len = 0,
73 .j_extent = 0,
74 .eptr = 0,
75 .ptr = 0
76};
77
78/* descriptor */
79struct talitos_desc {
80 __be32 hdr; /* header high bits */
81 __be32 hdr_lo; /* header low bits */
82 struct talitos_ptr ptr[7]; /* ptr/len pair array */
83};
84
85/**
86 * talitos_request - descriptor submission request
87 * @desc: descriptor pointer (kernel virtual)
88 * @dma_desc: descriptor's physical bus address
89 * @callback: whom to call when descriptor processing is done
90 * @context: caller context (optional)
91 */
92struct talitos_request {
93 struct talitos_desc *desc;
94 dma_addr_t dma_desc;
95 void (*callback) (struct device *dev, struct talitos_desc *desc,
96 void *context, int error);
97 void *context;
98};
99
100/* per-channel fifo management */
101struct talitos_channel {
102 void __iomem *reg;
103
104 /* request fifo */
105 struct talitos_request *fifo;
106
107 /* number of requests pending in channel h/w fifo */
108 atomic_t submit_count ____cacheline_aligned;
109
110 /* request submission (head) lock */
111 spinlock_t head_lock ____cacheline_aligned;
112 /* index to next free descriptor request */
113 int head;
114
115 /* request release (tail) lock */
116 spinlock_t tail_lock ____cacheline_aligned;
117 /* index to next in-progress/done descriptor request */
118 int tail;
119};
120
121struct talitos_private {
122 struct device *dev;
123 struct platform_device *ofdev;
124 void __iomem *reg;
125 int irq[2];
126
127 /* SEC global registers lock */
128 spinlock_t reg_lock ____cacheline_aligned;
129
130 /* SEC version geometry (from device tree node) */
131 unsigned int num_channels;
132 unsigned int chfifo_len;
133 unsigned int exec_units;
134 unsigned int desc_types;
135
136 /* SEC Compatibility info */
137 unsigned long features;
138
139 /*
140 * length of the request fifo
141 * fifo_len is chfifo_len rounded up to next power of 2
142 * so we can use bitwise ops to wrap
143 */
144 unsigned int fifo_len;
145
146 struct talitos_channel *chan;
147
148 /* next channel to be assigned next incoming descriptor */
149 atomic_t last_chan ____cacheline_aligned;
150
151 /* request callback tasklet */
152 struct tasklet_struct done_task[2];
153
154 /* list of registered algorithms */
155 struct list_head alg_list;
156
157 /* hwrng device */
158 struct hwrng rng;
159};
160
161/* .features flag */
162#define TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT 0x00000001
163#define TALITOS_FTR_HW_AUTH_CHECK 0x00000002
164#define TALITOS_FTR_SHA224_HWINIT 0x00000004
165#define TALITOS_FTR_HMAC_OK 0x00000008
166
167static void to_talitos_ptr(struct talitos_ptr *talitos_ptr, dma_addr_t dma_addr) 56static void to_talitos_ptr(struct talitos_ptr *talitos_ptr, dma_addr_t dma_addr)
168{ 57{
169 talitos_ptr->ptr = cpu_to_be32(lower_32_bits(dma_addr)); 58 talitos_ptr->ptr = cpu_to_be32(lower_32_bits(dma_addr));