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crypto: hisilicon - Update QP resources of SEC V2

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1.Put resource including request and resource list into
  QP context structure to avoid allocate memory repeatedly.
2.Add max context queue number to void kcalloc large memory for QP context.
3.Remove the resource allocation operation.
4.Redefine resource allocation APIs to be shared by other algorithms.
5.Move resource allocation and free inner functions out of
  operations 'struct sec_req_op', and they are called directly.

Signed-off-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zaibo Xu
2020-01-11 10:41:51 +08:00
committed by Herbert Xu
parent a181647c06
commit 7c7d902aa4
3 changed files with 59 additions and 93 deletions
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12
drivers/crypto/hisilicon/sec2/sec.h
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@@ -21,8 +21,6 @@ struct sec_cipher_req {
dma_addr_t c_in_dma;
struct hisi_acc_hw_sgl *c_out;
dma_addr_t c_out_dma;
u8 *c_ivin;
dma_addr_t c_ivin_dma;
struct skcipher_request *sk_req;
u32 c_len;
bool encrypt;
@@ -45,9 +43,6 @@ struct sec_req {
/**
* struct sec_req_op - Operations for SEC request
* @get_res: Get resources for TFM on the SEC device
* @resource_alloc: Allocate resources for queue context on the SEC device
* @resource_free: Free resources for queue context on the SEC device
* @buf_map: DMA map the SGL buffers of the request
* @buf_unmap: DMA unmap the SGL buffers of the request
* @bd_fill: Fill the SEC queue BD
@@ -56,9 +51,6 @@ struct sec_req {
* @process: Main processing logic of Skcipher
*/
struct sec_req_op {
int (*get_res)(struct sec_ctx *ctx, struct sec_req *req);
int (*resource_alloc)(struct sec_ctx *ctx, struct sec_qp_ctx *qp_ctx);
void (*resource_free)(struct sec_ctx *ctx, struct sec_qp_ctx *qp_ctx);
int (*buf_map)(struct sec_ctx *ctx, struct sec_req *req);
void (*buf_unmap)(struct sec_ctx *ctx, struct sec_req *req);
void (*do_transfer)(struct sec_ctx *ctx, struct sec_req *req);
@@ -83,9 +75,9 @@ struct sec_cipher_ctx {
/* SEC queue context which defines queue's relatives */
struct sec_qp_ctx {
struct hisi_qp *qp;
struct sec_req **req_list;
struct sec_req *req_list[QM_Q_DEPTH];
struct idr req_idr;
void *alg_meta_data;
struct sec_alg_res res[QM_Q_DEPTH];
struct sec_ctx *ctx;
struct mutex req_lock;
struct hisi_acc_sgl_pool *c_in_pool;