crypto: caam - link_tbl rename
- rename scatterlist and link_tbl functions - link_tbl changed to sec4_sg - sg_to_link_tbl_one changed to dma_to_sec4_sg_one, since no scatterlist is use Signed-off-by: Yuan Kang <Yuan.Kang@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
@ -51,7 +51,7 @@
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#include "desc_constr.h"
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#include "jr.h"
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#include "error.h"
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#include "sg_link_tbl.h"
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#include "sg_sw_sec4.h"
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#include "key_gen.h"
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/*
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@ -658,8 +658,8 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *ablkcipher,
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* @dst_nents: number of segments in output scatterlist
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* @iv_dma: dma address of iv for checking continuity and link table
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* @desc: h/w descriptor (variable length; must not exceed MAX_CAAM_DESCSIZE)
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* @link_tbl_bytes: length of dma mapped link_tbl space
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* @link_tbl_dma: bus physical mapped address of h/w link table
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* @sec4_sg_bytes: length of dma mapped sec4_sg space
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* @sec4_sg_dma: bus physical mapped address of h/w link table
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* @hw_desc: the h/w job descriptor followed by any referenced link tables
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*/
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struct aead_edesc {
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@ -667,9 +667,9 @@ struct aead_edesc {
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int src_nents;
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int dst_nents;
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dma_addr_t iv_dma;
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int link_tbl_bytes;
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dma_addr_t link_tbl_dma;
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struct link_tbl_entry *link_tbl;
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int sec4_sg_bytes;
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dma_addr_t sec4_sg_dma;
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struct sec4_sg_entry *sec4_sg;
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u32 hw_desc[0];
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};
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@ -679,24 +679,24 @@ struct aead_edesc {
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* @dst_nents: number of segments in output scatterlist
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* @iv_dma: dma address of iv for checking continuity and link table
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* @desc: h/w descriptor (variable length; must not exceed MAX_CAAM_DESCSIZE)
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* @link_tbl_bytes: length of dma mapped link_tbl space
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* @link_tbl_dma: bus physical mapped address of h/w link table
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* @sec4_sg_bytes: length of dma mapped sec4_sg space
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* @sec4_sg_dma: bus physical mapped address of h/w link table
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* @hw_desc: the h/w job descriptor followed by any referenced link tables
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*/
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struct ablkcipher_edesc {
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int src_nents;
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int dst_nents;
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dma_addr_t iv_dma;
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int link_tbl_bytes;
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dma_addr_t link_tbl_dma;
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struct link_tbl_entry *link_tbl;
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int sec4_sg_bytes;
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dma_addr_t sec4_sg_dma;
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struct sec4_sg_entry *sec4_sg;
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u32 hw_desc[0];
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};
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static void caam_unmap(struct device *dev, struct scatterlist *src,
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struct scatterlist *dst, int src_nents, int dst_nents,
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dma_addr_t iv_dma, int ivsize, dma_addr_t link_tbl_dma,
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int link_tbl_bytes)
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dma_addr_t iv_dma, int ivsize, dma_addr_t sec4_sg_dma,
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int sec4_sg_bytes)
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{
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if (unlikely(dst != src)) {
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dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
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@ -707,8 +707,8 @@ static void caam_unmap(struct device *dev, struct scatterlist *src,
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if (iv_dma)
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dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE);
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if (link_tbl_bytes)
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dma_unmap_single(dev, link_tbl_dma, link_tbl_bytes,
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if (sec4_sg_bytes)
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dma_unmap_single(dev, sec4_sg_dma, sec4_sg_bytes,
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DMA_TO_DEVICE);
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}
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@ -723,8 +723,8 @@ static void aead_unmap(struct device *dev,
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caam_unmap(dev, req->src, req->dst,
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edesc->src_nents, edesc->dst_nents,
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edesc->iv_dma, ivsize, edesc->link_tbl_dma,
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edesc->link_tbl_bytes);
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edesc->iv_dma, ivsize, edesc->sec4_sg_dma,
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edesc->sec4_sg_bytes);
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}
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static void ablkcipher_unmap(struct device *dev,
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@ -736,8 +736,8 @@ static void ablkcipher_unmap(struct device *dev,
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caam_unmap(dev, req->src, req->dst,
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edesc->src_nents, edesc->dst_nents,
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edesc->iv_dma, ivsize, edesc->link_tbl_dma,
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edesc->link_tbl_bytes);
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edesc->iv_dma, ivsize, edesc->sec4_sg_dma,
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edesc->sec4_sg_bytes);
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}
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static void aead_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
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@ -828,7 +828,7 @@ static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
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sizeof(struct iphdr) + req->assoclen +
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((req->cryptlen > 1500) ? 1500 : req->cryptlen) +
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ctx->authsize + 36, 1);
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if (!err && edesc->link_tbl_bytes) {
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if (!err && edesc->sec4_sg_bytes) {
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struct scatterlist *sg = sg_last(req->src, edesc->src_nents);
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print_hex_dump(KERN_ERR, "sglastout@"xstr(__LINE__)": ",
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DUMP_PREFIX_ADDRESS, 16, 4, sg_virt(sg),
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@ -927,7 +927,7 @@ static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
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u32 *desc = edesc->hw_desc;
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u32 out_options = 0, in_options;
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dma_addr_t dst_dma, src_dma;
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int len, link_tbl_index = 0;
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int len, sec4_sg_index = 0;
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#ifdef DEBUG
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debug("assoclen %d cryptlen %d authsize %d\n",
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@ -953,9 +953,9 @@ static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
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src_dma = sg_dma_address(req->assoc);
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in_options = 0;
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} else {
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src_dma = edesc->link_tbl_dma;
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link_tbl_index += (edesc->assoc_nents ? : 1) + 1 +
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(edesc->src_nents ? : 1);
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src_dma = edesc->sec4_sg_dma;
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sec4_sg_index += (edesc->assoc_nents ? : 1) + 1 +
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(edesc->src_nents ? : 1);
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in_options = LDST_SGF;
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}
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if (encrypt)
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@ -969,7 +969,7 @@ static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
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if (all_contig) {
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dst_dma = sg_dma_address(req->src);
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} else {
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dst_dma = src_dma + sizeof(struct link_tbl_entry) *
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dst_dma = src_dma + sizeof(struct sec4_sg_entry) *
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((edesc->assoc_nents ? : 1) + 1);
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out_options = LDST_SGF;
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}
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@ -977,9 +977,9 @@ static void init_aead_job(u32 *sh_desc, dma_addr_t ptr,
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if (!edesc->dst_nents) {
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dst_dma = sg_dma_address(req->dst);
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} else {
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dst_dma = edesc->link_tbl_dma +
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link_tbl_index *
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sizeof(struct link_tbl_entry);
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dst_dma = edesc->sec4_sg_dma +
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sec4_sg_index *
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sizeof(struct sec4_sg_entry);
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out_options = LDST_SGF;
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}
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}
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@ -1005,7 +1005,7 @@ static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
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u32 *desc = edesc->hw_desc;
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u32 out_options = 0, in_options;
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dma_addr_t dst_dma, src_dma;
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int len, link_tbl_index = 0;
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int len, sec4_sg_index = 0;
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#ifdef DEBUG
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debug("assoclen %d cryptlen %d authsize %d\n",
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@ -1030,8 +1030,8 @@ static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
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src_dma = sg_dma_address(req->assoc);
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in_options = 0;
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} else {
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src_dma = edesc->link_tbl_dma;
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link_tbl_index += edesc->assoc_nents + 1 + edesc->src_nents;
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src_dma = edesc->sec4_sg_dma;
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sec4_sg_index += edesc->assoc_nents + 1 + edesc->src_nents;
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in_options = LDST_SGF;
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}
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append_seq_in_ptr(desc, src_dma, req->assoclen + ivsize +
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@ -1041,13 +1041,13 @@ static void init_aead_giv_job(u32 *sh_desc, dma_addr_t ptr,
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dst_dma = edesc->iv_dma;
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} else {
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if (likely(req->src == req->dst)) {
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dst_dma = src_dma + sizeof(struct link_tbl_entry) *
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dst_dma = src_dma + sizeof(struct sec4_sg_entry) *
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edesc->assoc_nents;
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out_options = LDST_SGF;
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} else {
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dst_dma = edesc->link_tbl_dma +
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link_tbl_index *
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sizeof(struct link_tbl_entry);
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dst_dma = edesc->sec4_sg_dma +
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sec4_sg_index *
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sizeof(struct sec4_sg_entry);
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out_options = LDST_SGF;
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}
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}
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@ -1068,7 +1068,7 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
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u32 *desc = edesc->hw_desc;
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u32 out_options = 0, in_options;
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dma_addr_t dst_dma, src_dma;
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int len, link_tbl_index = 0;
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int len, sec4_sg_index = 0;
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#ifdef DEBUG
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print_hex_dump(KERN_ERR, "presciv@"xstr(__LINE__)": ",
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@ -1086,8 +1086,8 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
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src_dma = edesc->iv_dma;
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in_options = 0;
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} else {
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src_dma = edesc->link_tbl_dma;
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link_tbl_index += (iv_contig ? 0 : 1) + edesc->src_nents;
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src_dma = edesc->sec4_sg_dma;
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sec4_sg_index += (iv_contig ? 0 : 1) + edesc->src_nents;
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in_options = LDST_SGF;
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}
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append_seq_in_ptr(desc, src_dma, req->nbytes + ivsize, in_options);
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@ -1096,16 +1096,16 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
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if (!edesc->src_nents && iv_contig) {
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dst_dma = sg_dma_address(req->src);
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} else {
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dst_dma = edesc->link_tbl_dma +
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sizeof(struct link_tbl_entry);
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dst_dma = edesc->sec4_sg_dma +
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sizeof(struct sec4_sg_entry);
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out_options = LDST_SGF;
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}
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} else {
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if (!edesc->dst_nents) {
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dst_dma = sg_dma_address(req->dst);
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} else {
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dst_dma = edesc->link_tbl_dma +
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link_tbl_index * sizeof(struct link_tbl_entry);
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dst_dma = edesc->sec4_sg_dma +
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sec4_sg_index * sizeof(struct sec4_sg_entry);
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out_options = LDST_SGF;
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}
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}
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@ -1129,7 +1129,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
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int sgc;
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bool all_contig = true;
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int ivsize = crypto_aead_ivsize(aead);
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int link_tbl_index, link_tbl_len = 0, link_tbl_bytes;
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int sec4_sg_index, sec4_sg_len = 0, sec4_sg_bytes;
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assoc_nents = sg_count(req->assoc, req->assoclen);
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src_nents = sg_count(req->src, req->cryptlen);
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@ -1157,15 +1157,15 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
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all_contig = false;
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assoc_nents = assoc_nents ? : 1;
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src_nents = src_nents ? : 1;
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link_tbl_len = assoc_nents + 1 + src_nents;
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sec4_sg_len = assoc_nents + 1 + src_nents;
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}
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link_tbl_len += dst_nents;
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sec4_sg_len += dst_nents;
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link_tbl_bytes = link_tbl_len * sizeof(struct link_tbl_entry);
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sec4_sg_bytes = sec4_sg_len * sizeof(struct sec4_sg_entry);
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = kmalloc(sizeof(struct aead_edesc) + desc_bytes +
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link_tbl_bytes, GFP_DMA | flags);
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sec4_sg_bytes, GFP_DMA | flags);
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if (!edesc) {
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dev_err(jrdev, "could not allocate extended descriptor\n");
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return ERR_PTR(-ENOMEM);
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@ -1175,32 +1175,32 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
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edesc->src_nents = src_nents;
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edesc->dst_nents = dst_nents;
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edesc->iv_dma = iv_dma;
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edesc->link_tbl_bytes = link_tbl_bytes;
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edesc->link_tbl = (void *)edesc + sizeof(struct aead_edesc) +
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desc_bytes;
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edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
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link_tbl_bytes, DMA_TO_DEVICE);
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edesc->sec4_sg_bytes = sec4_sg_bytes;
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edesc->sec4_sg = (void *)edesc + sizeof(struct aead_edesc) +
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desc_bytes;
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edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
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sec4_sg_bytes, DMA_TO_DEVICE);
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*all_contig_ptr = all_contig;
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link_tbl_index = 0;
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sec4_sg_index = 0;
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if (!all_contig) {
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sg_to_link_tbl(req->assoc,
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(assoc_nents ? : 1),
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edesc->link_tbl +
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link_tbl_index, 0);
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link_tbl_index += assoc_nents ? : 1;
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sg_to_link_tbl_one(edesc->link_tbl + link_tbl_index,
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sg_to_sec4_sg(req->assoc,
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(assoc_nents ? : 1),
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edesc->sec4_sg +
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sec4_sg_index, 0);
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sec4_sg_index += assoc_nents ? : 1;
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dma_to_sec4_sg_one(edesc->sec4_sg + sec4_sg_index,
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iv_dma, ivsize, 0);
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link_tbl_index += 1;
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sg_to_link_tbl_last(req->src,
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(src_nents ? : 1),
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edesc->link_tbl +
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link_tbl_index, 0);
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link_tbl_index += src_nents ? : 1;
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sec4_sg_index += 1;
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sg_to_sec4_sg_last(req->src,
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(src_nents ? : 1),
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edesc->sec4_sg +
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sec4_sg_index, 0);
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sec4_sg_index += src_nents ? : 1;
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}
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if (dst_nents) {
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sg_to_link_tbl_last(req->dst, dst_nents,
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edesc->link_tbl + link_tbl_index, 0);
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sg_to_sec4_sg_last(req->dst, dst_nents,
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edesc->sec4_sg + sec4_sg_index, 0);
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}
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return edesc;
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@ -1307,7 +1307,7 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
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int sgc;
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u32 contig = GIV_SRC_CONTIG | GIV_DST_CONTIG;
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int ivsize = crypto_aead_ivsize(aead);
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int link_tbl_index, link_tbl_len = 0, link_tbl_bytes;
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int sec4_sg_index, sec4_sg_len = 0, sec4_sg_bytes;
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assoc_nents = sg_count(req->assoc, req->assoclen);
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src_nents = sg_count(req->src, req->cryptlen);
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@ -1336,22 +1336,22 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
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contig &= ~GIV_DST_CONTIG;
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if (unlikely(req->src != req->dst)) {
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dst_nents = dst_nents ? : 1;
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link_tbl_len += 1;
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sec4_sg_len += 1;
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}
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if (!(contig & GIV_SRC_CONTIG)) {
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assoc_nents = assoc_nents ? : 1;
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src_nents = src_nents ? : 1;
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link_tbl_len += assoc_nents + 1 + src_nents;
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sec4_sg_len += assoc_nents + 1 + src_nents;
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if (likely(req->src == req->dst))
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contig &= ~GIV_DST_CONTIG;
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}
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link_tbl_len += dst_nents;
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sec4_sg_len += dst_nents;
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link_tbl_bytes = link_tbl_len * sizeof(struct link_tbl_entry);
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sec4_sg_bytes = sec4_sg_len * sizeof(struct sec4_sg_entry);
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/* allocate space for base edesc and hw desc commands, link tables */
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edesc = kmalloc(sizeof(struct aead_edesc) + desc_bytes +
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link_tbl_bytes, GFP_DMA | flags);
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sec4_sg_bytes, GFP_DMA | flags);
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if (!edesc) {
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dev_err(jrdev, "could not allocate extended descriptor\n");
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return ERR_PTR(-ENOMEM);
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@ -1361,33 +1361,33 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request
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edesc->src_nents = src_nents;
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edesc->dst_nents = dst_nents;
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edesc->iv_dma = iv_dma;
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edesc->link_tbl_bytes = link_tbl_bytes;
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edesc->link_tbl = (void *)edesc + sizeof(struct aead_edesc) +
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desc_bytes;
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edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
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link_tbl_bytes, DMA_TO_DEVICE);
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edesc->sec4_sg_bytes = sec4_sg_bytes;
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edesc->sec4_sg = (void *)edesc + sizeof(struct aead_edesc) +
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desc_bytes;
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edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
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sec4_sg_bytes, DMA_TO_DEVICE);
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*contig_ptr = contig;
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link_tbl_index = 0;
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sec4_sg_index = 0;
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if (!(contig & GIV_SRC_CONTIG)) {
|
||||
sg_to_link_tbl(req->assoc, assoc_nents,
|
||||
edesc->link_tbl +
|
||||
link_tbl_index, 0);
|
||||
link_tbl_index += assoc_nents;
|
||||
sg_to_link_tbl_one(edesc->link_tbl + link_tbl_index,
|
||||
sg_to_sec4_sg(req->assoc, assoc_nents,
|
||||
edesc->sec4_sg +
|
||||
sec4_sg_index, 0);
|
||||
sec4_sg_index += assoc_nents;
|
||||
dma_to_sec4_sg_one(edesc->sec4_sg + sec4_sg_index,
|
||||
iv_dma, ivsize, 0);
|
||||
link_tbl_index += 1;
|
||||
sg_to_link_tbl_last(req->src, src_nents,
|
||||
edesc->link_tbl +
|
||||
link_tbl_index, 0);
|
||||
link_tbl_index += src_nents;
|
||||
sec4_sg_index += 1;
|
||||
sg_to_sec4_sg_last(req->src, src_nents,
|
||||
edesc->sec4_sg +
|
||||
sec4_sg_index, 0);
|
||||
sec4_sg_index += src_nents;
|
||||
}
|
||||
if (unlikely(req->src != req->dst && !(contig & GIV_DST_CONTIG))) {
|
||||
sg_to_link_tbl_one(edesc->link_tbl + link_tbl_index,
|
||||
dma_to_sec4_sg_one(edesc->sec4_sg + sec4_sg_index,
|
||||
iv_dma, ivsize, 0);
|
||||
link_tbl_index += 1;
|
||||
sg_to_link_tbl_last(req->dst, dst_nents,
|
||||
edesc->link_tbl + link_tbl_index, 0);
|
||||
sec4_sg_index += 1;
|
||||
sg_to_sec4_sg_last(req->dst, dst_nents,
|
||||
edesc->sec4_sg + sec4_sg_index, 0);
|
||||
}
|
||||
|
||||
return edesc;
|
||||
@ -1453,13 +1453,13 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
|
||||
gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG |
|
||||
CRYPTO_TFM_REQ_MAY_SLEEP)) ?
|
||||
GFP_KERNEL : GFP_ATOMIC;
|
||||
int src_nents, dst_nents = 0, link_tbl_bytes;
|
||||
int src_nents, dst_nents = 0, sec4_sg_bytes;
|
||||
struct ablkcipher_edesc *edesc;
|
||||
dma_addr_t iv_dma = 0;
|
||||
bool iv_contig = false;
|
||||
int sgc;
|
||||
int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
|
||||
int link_tbl_index;
|
||||
int sec4_sg_index;
|
||||
|
||||
src_nents = sg_count(req->src, req->nbytes);
|
||||
|
||||
@ -1485,12 +1485,12 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
|
||||
iv_contig = true;
|
||||
else
|
||||
src_nents = src_nents ? : 1;
|
||||
link_tbl_bytes = ((iv_contig ? 0 : 1) + src_nents + dst_nents) *
|
||||
sizeof(struct link_tbl_entry);
|
||||
sec4_sg_bytes = ((iv_contig ? 0 : 1) + src_nents + dst_nents) *
|
||||
sizeof(struct sec4_sg_entry);
|
||||
|
||||
/* allocate space for base edesc and hw desc commands, link tables */
|
||||
edesc = kmalloc(sizeof(struct ablkcipher_edesc) + desc_bytes +
|
||||
link_tbl_bytes, GFP_DMA | flags);
|
||||
sec4_sg_bytes, GFP_DMA | flags);
|
||||
if (!edesc) {
|
||||
dev_err(jrdev, "could not allocate extended descriptor\n");
|
||||
return ERR_PTR(-ENOMEM);
|
||||
@ -1498,31 +1498,31 @@ static struct ablkcipher_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request
|
||||
|
||||
edesc->src_nents = src_nents;
|
||||
edesc->dst_nents = dst_nents;
|
||||
edesc->link_tbl_bytes = link_tbl_bytes;
|
||||
edesc->link_tbl = (void *)edesc + sizeof(struct ablkcipher_edesc) +
|
||||
desc_bytes;
|
||||
edesc->sec4_sg_bytes = sec4_sg_bytes;
|
||||
edesc->sec4_sg = (void *)edesc + sizeof(struct ablkcipher_edesc) +
|
||||
desc_bytes;
|
||||
|
||||
link_tbl_index = 0;
|
||||
sec4_sg_index = 0;
|
||||
if (!iv_contig) {
|
||||
sg_to_link_tbl_one(edesc->link_tbl, iv_dma, ivsize, 0);
|
||||
sg_to_link_tbl_last(req->src, src_nents,
|
||||
edesc->link_tbl + 1, 0);
|
||||
link_tbl_index += 1 + src_nents;
|
||||
dma_to_sec4_sg_one(edesc->sec4_sg, iv_dma, ivsize, 0);
|
||||
sg_to_sec4_sg_last(req->src, src_nents,
|
||||
edesc->sec4_sg + 1, 0);
|
||||
sec4_sg_index += 1 + src_nents;
|
||||
}
|
||||
|
||||
if (unlikely(dst_nents)) {
|
||||
sg_to_link_tbl_last(req->dst, dst_nents,
|
||||
edesc->link_tbl + link_tbl_index, 0);
|
||||
sg_to_sec4_sg_last(req->dst, dst_nents,
|
||||
edesc->sec4_sg + sec4_sg_index, 0);
|
||||
}
|
||||
|
||||
edesc->link_tbl_dma = dma_map_single(jrdev, edesc->link_tbl,
|
||||
link_tbl_bytes, DMA_TO_DEVICE);
|
||||
edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
|
||||
sec4_sg_bytes, DMA_TO_DEVICE);
|
||||
edesc->iv_dma = iv_dma;
|
||||
|
||||
#ifdef DEBUG
|
||||
print_hex_dump(KERN_ERR, "ablkcipher link_tbl@"xstr(__LINE__)": ",
|
||||
DUMP_PREFIX_ADDRESS, 16, 4, edesc->link_tbl,
|
||||
link_tbl_bytes, 1);
|
||||
print_hex_dump(KERN_ERR, "ablkcipher sec4_sg@"xstr(__LINE__)": ",
|
||||
DUMP_PREFIX_ADDRESS, 16, 4, edesc->sec4_sg,
|
||||
sec4_sg_bytes, 1);
|
||||
#endif
|
||||
|
||||
*iv_contig_out = iv_contig;
|
||||
|
@ -8,10 +8,10 @@
|
||||
#ifndef DESC_H
|
||||
#define DESC_H
|
||||
|
||||
struct link_tbl_entry {
|
||||
struct sec4_sg_entry {
|
||||
u64 ptr;
|
||||
#define LINK_TBL_LEN_FIN 0x40000000
|
||||
#define LINK_TBL_LEN_EXT 0x80000000
|
||||
#define SEC4_SG_LEN_FIN 0x40000000
|
||||
#define SEC4_SG_LEN_EXT 0x80000000
|
||||
u32 len;
|
||||
u8 reserved;
|
||||
u8 buf_pool_id;
|
||||
|
@ -5,23 +5,23 @@
|
||||
*
|
||||
*/
|
||||
|
||||
struct link_tbl_entry;
|
||||
struct sec4_sg_entry;
|
||||
|
||||
/*
|
||||
* convert single dma address to h/w link table format
|
||||
*/
|
||||
static inline void sg_to_link_tbl_one(struct link_tbl_entry *link_tbl_ptr,
|
||||
static inline void dma_to_sec4_sg_one(struct sec4_sg_entry *sec4_sg_ptr,
|
||||
dma_addr_t dma, u32 len, u32 offset)
|
||||
{
|
||||
link_tbl_ptr->ptr = dma;
|
||||
link_tbl_ptr->len = len;
|
||||
link_tbl_ptr->reserved = 0;
|
||||
link_tbl_ptr->buf_pool_id = 0;
|
||||
link_tbl_ptr->offset = offset;
|
||||
sec4_sg_ptr->ptr = dma;
|
||||
sec4_sg_ptr->len = len;
|
||||
sec4_sg_ptr->reserved = 0;
|
||||
sec4_sg_ptr->buf_pool_id = 0;
|
||||
sec4_sg_ptr->offset = offset;
|
||||
#ifdef DEBUG
|
||||
print_hex_dump(KERN_ERR, "link_tbl_ptr@: ",
|
||||
DUMP_PREFIX_ADDRESS, 16, 4, link_tbl_ptr,
|
||||
sizeof(struct link_tbl_entry), 1);
|
||||
print_hex_dump(KERN_ERR, "sec4_sg_ptr@: ",
|
||||
DUMP_PREFIX_ADDRESS, 16, 4, sec4_sg_ptr,
|
||||
sizeof(struct sec4_sg_entry), 1);
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -29,30 +29,30 @@ static inline void sg_to_link_tbl_one(struct link_tbl_entry *link_tbl_ptr,
|
||||
* convert scatterlist to h/w link table format
|
||||
* but does not have final bit; instead, returns last entry
|
||||
*/
|
||||
static inline struct link_tbl_entry *
|
||||
sg_to_link_tbl(struct scatterlist *sg, int sg_count,
|
||||
struct link_tbl_entry *link_tbl_ptr, u32 offset)
|
||||
static inline struct sec4_sg_entry *
|
||||
sg_to_sec4_sg(struct scatterlist *sg, int sg_count,
|
||||
struct sec4_sg_entry *sec4_sg_ptr, u32 offset)
|
||||
{
|
||||
while (sg_count) {
|
||||
sg_to_link_tbl_one(link_tbl_ptr, sg_dma_address(sg),
|
||||
dma_to_sec4_sg_one(sec4_sg_ptr, sg_dma_address(sg),
|
||||
sg_dma_len(sg), offset);
|
||||
link_tbl_ptr++;
|
||||
sec4_sg_ptr++;
|
||||
sg = sg_next(sg);
|
||||
sg_count--;
|
||||
}
|
||||
return link_tbl_ptr - 1;
|
||||
return sec4_sg_ptr - 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* convert scatterlist to h/w link table format
|
||||
* scatterlist must have been previously dma mapped
|
||||
*/
|
||||
static inline void sg_to_link_tbl_last(struct scatterlist *sg, int sg_count,
|
||||
struct link_tbl_entry *link_tbl_ptr,
|
||||
u32 offset)
|
||||
static inline void sg_to_sec4_sg_last(struct scatterlist *sg, int sg_count,
|
||||
struct sec4_sg_entry *sec4_sg_ptr,
|
||||
u32 offset)
|
||||
{
|
||||
link_tbl_ptr = sg_to_link_tbl(sg, sg_count, link_tbl_ptr, offset);
|
||||
link_tbl_ptr->len |= LINK_TBL_LEN_FIN;
|
||||
sec4_sg_ptr = sg_to_sec4_sg(sg, sg_count, sec4_sg_ptr, offset);
|
||||
sec4_sg_ptr->len |= SEC4_SG_LEN_FIN;
|
||||
}
|
||||
|
||||
/* count number of elements in scatterlist */
|
Reference in New Issue
Block a user