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raspberrypi-kernel
“bcebe324cb44f0298f6bb5fcb5eb92a3ec55feeb”上不存在“kernel/dma/debug.c”
提交 1d9e855e 编写于 作者: Z zhangwei 提交者： Xie XiuQi
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ACC: fixup sec2 watchdog calltrace 

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Feature or Bugfix:Bugfix
Signed-off-by: NZhangwei <zhangwei375@huawei.com>
Reviewed-by: Nhucheng.hu <hucheng.hu@huawei.com>
Signed-off-by: Nlingmingqiang <lingmingqiang@huawei.com>
Reviewed-by: Nlingmingqiang <lingmingqiang@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
上级 f7ff2756
隐藏空白更改
内联 并排
Showing with 476 addition and 236 deletion
drivers/crypto/hisilicon/sec2/sec_crypto.c
浏览文件 @ 1d9e855e
...@@ -32,16 +32,12 @@ ...@@ -32,16 +32,12 @@
#define SEC_DES3_2KEY_SIZE (2 * DES_KEY_SIZE) #define SEC_DES3_2KEY_SIZE (2 * DES_KEY_SIZE)
#define SEC_DES3_3KEY_SIZE (3 * DES_KEY_SIZE) #define SEC_DES3_3KEY_SIZE (3 * DES_KEY_SIZE)
// #define USE_DM_CRYPT_OPTIMIZE /* if modify dm-crypt to transparent LBA, use the below macro
#define SEC_FUSION_BD * #define USE_DM_CRYPT_OPTIMIZE
*/
#define SEC_DEBUG
#ifdef SEC_DEBUG #define BUF_MAP_NUM 64
#define dbg(msg, ...) pr_err(msg, ##__VA_ARGS__) #define SEC_FUSION_BD
#else
#define dbg(msg, ...)
#endif
enum { enum {
SEC_NO_FUSION = 0x0, SEC_NO_FUSION = 0x0,
...@@ -88,6 +84,18 @@ struct geniv_req_info { ...@@ -88,6 +84,18 @@ struct geniv_req_info {
u8 *integrity_metadata; u8 *integrity_metadata;
}; };
struct cipher_res {
struct skcipher_request_ctx **sk_reqs;
u8 *c_ivin;
dma_addr_t c_ivin_dma;
struct acc_hw_sgl *c_in;
dma_addr_t c_in_dma;
struct acc_hw_sgl *c_out;
dma_addr_t c_out_dma;
struct scatterlist *src;
struct scatterlist *dst;
};
struct hisi_sec_cipher_req { struct hisi_sec_cipher_req {
struct acc_hw_sgl *c_in; struct acc_hw_sgl *c_in;
dma_addr_t c_in_dma; dma_addr_t c_in_dma;
...@@ -122,8 +130,11 @@ struct hisi_sec_req { ...@@ -122,8 +130,11 @@ struct hisi_sec_req {
struct hisi_sec_req_op { struct hisi_sec_req_op {
int fusion_type; int fusion_type;
int (*alloc)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req); int (*get_res)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req);
int (*free)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req); int (*queue_alloc)(struct hisi_sec_ctx *ctx,
struct hisi_sec_qp_ctx *qp_ctx);
int (*queue_free)(struct hisi_sec_ctx *ctx,
struct hisi_sec_qp_ctx *qp_ctx);
int (*buf_map)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req); int (*buf_map)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req);
int (*buf_unmap)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req); int (*buf_unmap)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req);
int (*do_transfer)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req); int (*do_transfer)(struct hisi_sec_ctx *ctx, struct hisi_sec_req *req);
...@@ -147,6 +158,7 @@ struct hisi_sec_qp_ctx { ...@@ -147,6 +158,7 @@ struct hisi_sec_qp_ctx {
struct hisi_sec_req **req_list; struct hisi_sec_req **req_list;
struct hisi_sec_req *fusion_req; struct hisi_sec_req *fusion_req;
unsigned long *req_bitmap; unsigned long *req_bitmap;
void *priv_req_res;
spinlock_t req_lock; spinlock_t req_lock;
atomic_t req_cnt; atomic_t req_cnt;
struct hisi_sec_sqe *sqe_list; struct hisi_sec_sqe *sqe_list;
...@@ -170,7 +182,6 @@ struct hisi_sec_ctx { ...@@ -170,7 +182,6 @@ struct hisi_sec_ctx {
struct hisi_sec_cipher_ctx c_ctx; struct hisi_sec_cipher_ctx c_ctx;
int fusion_tmout_usec; int fusion_tmout_usec;
int fusion_limit; int fusion_limit;
u64 fusion_cnt;
bool is_fusion; bool is_fusion;
}; };
...@@ -205,19 +216,15 @@ static int hisi_sec_alloc_req_id(struct hisi_sec_req *req, ...@@ -205,19 +216,15 @@ static int hisi_sec_alloc_req_id(struct hisi_sec_req *req,
return 0; return 0;
} }
static void hisi_sec_free_req_id(struct hisi_sec_req *req) static void hisi_sec_free_req_id(struct hisi_sec_qp_ctx *qp_ctx, int req_id)
{ {
struct hisi_sec_ctx *ctx = req->ctx;
int req_id = req->req_id;
struct hisi_sec_qp_ctx *qp_ctx = req->qp_ctx;
unsigned long flags; unsigned long flags;
if (req_id < 0) { if (req_id < 0) {
dev_err(ctx->sec_dev, "invalid req id %d\n", req_id); pr_err("invalid req id %d\n", req_id);
return; return;
} }
req->req_id = SEC_INVLD_REQ_ID;
qp_ctx->req_list[req_id] = NULL; qp_ctx->req_list[req_id] = NULL;
spin_lock_irqsave(&qp_ctx->req_lock, flags); spin_lock_irqsave(&qp_ctx->req_lock, flags);
...@@ -275,8 +282,7 @@ void qp_ctx_work_delayed_process(struct work_struct *work) ...@@ -275,8 +282,7 @@ void qp_ctx_work_delayed_process(struct work_struct *work)
err_unmap_req: err_unmap_req:
ctx->req_op->buf_unmap(ctx, req); ctx->req_op->buf_unmap(ctx, req);
err_free_req: err_free_req:
ctx->req_op->free(ctx, req); hisi_sec_free_req_id(qp_ctx, req->req_id);
hisi_sec_free_req_id(req);
atomic_dec(&ctx->thread_cnt); atomic_dec(&ctx->thread_cnt);
} }
...@@ -324,17 +330,21 @@ static int hisi_sec_create_qp_ctx(struct hisi_qm *qm, struct hisi_sec_ctx *ctx, ...@@ -324,17 +330,21 @@ static int hisi_sec_create_qp_ctx(struct hisi_qm *qm, struct hisi_sec_ctx *ctx,
goto err_free_req_list; goto err_free_req_list;
} }
ret = ctx->req_op->queue_alloc(ctx, qp_ctx);
if (ret)
goto err_free_sqe_list;
ret = hisi_qm_start_qp(qp, 0); ret = hisi_qm_start_qp(qp, 0);
if (ret < 0) if (ret < 0)
goto err_free_sqe_list; goto err_queue_free;
if (ctx->fusion_limit > 1 && ctx->fusion_tmout_usec) { INIT_DELAYED_WORK(&qp_ctx->work, qp_ctx_work_delayed_process);
INIT_DELAYED_WORK(&qp_ctx->work, qp_ctx_work_delayed_process); qp_ctx->work_cnt = 0;
qp_ctx->work_cnt = 0;
}
return 0; return 0;
err_queue_free:
ctx->req_op->queue_free(ctx, qp_ctx);
err_free_sqe_list: err_free_sqe_list:
kfree(qp_ctx->sqe_list); kfree(qp_ctx->sqe_list);
err_free_req_list: err_free_req_list:
...@@ -346,9 +356,11 @@ static int hisi_sec_create_qp_ctx(struct hisi_qm *qm, struct hisi_sec_ctx *ctx, ...@@ -346,9 +356,11 @@ static int hisi_sec_create_qp_ctx(struct hisi_qm *qm, struct hisi_sec_ctx *ctx,
return ret; return ret;
} }
static void hisi_sec_release_qp_ctx(struct hisi_sec_qp_ctx *qp_ctx) static void hisi_sec_release_qp_ctx(struct hisi_sec_ctx *ctx,
struct hisi_sec_qp_ctx *qp_ctx)
{ {
hisi_qm_stop_qp(qp_ctx->qp); hisi_qm_stop_qp(qp_ctx->qp);
ctx->req_op->queue_free(ctx, qp_ctx);
kfree(qp_ctx->req_bitmap); kfree(qp_ctx->req_bitmap);
kfree(qp_ctx->req_list); kfree(qp_ctx->req_list);
kfree(qp_ctx->sqe_list); kfree(qp_ctx->sqe_list);
...@@ -398,10 +410,13 @@ static int hisi_sec_cipher_ctx_init(struct crypto_skcipher *tfm) ...@@ -398,10 +410,13 @@ static int hisi_sec_cipher_ctx_init(struct crypto_skcipher *tfm)
return -ENOMEM; return -ENOMEM;
} }
ctx->fusion_tmout_usec = sec->fusion_tmout_usec; if (ctx->is_fusion) {
ctx->fusion_limit = sec->fusion_limit; ctx->fusion_tmout_usec = sec->fusion_tmout_usec;
ctx->fusion_cnt = 0; ctx->fusion_limit = sec->fusion_limit;
ctx->is_fusion = 0; } else {
ctx->fusion_tmout_usec = 0;
ctx->fusion_limit = 1;
}
for (i = 0; i < ctx->q_num; i++) { for (i = 0; i < ctx->q_num; i++) {
ret = hisi_sec_create_qp_ctx(qm, ctx, i, 0, 0); ret = hisi_sec_create_qp_ctx(qm, ctx, i, 0, 0);
...@@ -422,7 +437,7 @@ static int hisi_sec_cipher_ctx_init(struct crypto_skcipher *tfm) ...@@ -422,7 +437,7 @@ static int hisi_sec_cipher_ctx_init(struct crypto_skcipher *tfm)
err_sec_release_qp_ctx: err_sec_release_qp_ctx:
for (i = i - 1; i >= 0; i--) for (i = i - 1; i >= 0; i--)
hisi_sec_release_qp_ctx(&ctx->qp_ctx[i]); hisi_sec_release_qp_ctx(ctx, &ctx->qp_ctx[i]);
kfree(ctx->qp_ctx); kfree(ctx->qp_ctx);
return ret; return ret;
...@@ -443,7 +458,7 @@ static void hisi_sec_cipher_ctx_exit(struct crypto_skcipher *tfm) ...@@ -443,7 +458,7 @@ static void hisi_sec_cipher_ctx_exit(struct crypto_skcipher *tfm)
} }
for (i = 0; i < ctx->q_num; i++) for (i = 0; i < ctx->q_num; i++)
hisi_sec_release_qp_ctx(&ctx->qp_ctx[i]); hisi_sec_release_qp_ctx(ctx, &ctx->qp_ctx[i]);
kfree(ctx->qp_ctx); kfree(ctx->qp_ctx);
...@@ -452,6 +467,100 @@ static void hisi_sec_cipher_ctx_exit(struct crypto_skcipher *tfm) ...@@ -452,6 +467,100 @@ static void hisi_sec_cipher_ctx_exit(struct crypto_skcipher *tfm)
mutex_unlock(ctx->sec->hisi_sec_list_lock); mutex_unlock(ctx->sec->hisi_sec_list_lock);
} }
static int hisi_sec_skcipher_get_res(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_queue_alloc(struct hisi_sec_ctx *ctx,
struct hisi_sec_qp_ctx *qp_ctx);
static int hisi_sec_skcipher_queue_free(struct hisi_sec_ctx *ctx,
struct hisi_sec_qp_ctx *qp_ctx);
static int hisi_sec_skcipher_buf_map(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_buf_unmap(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_copy_iv(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_copy_iv_dmcrypt(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_bd_fill_base(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_bd_fill_storage(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_bd_fill_multi_iv(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_bd_send_asyn(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
static int hisi_sec_skcipher_callback(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req);
struct hisi_sec_req_op sec_req_ops_tbl[] = {
{
.fusion_type = SEC_NO_FUSION,
.get_res = hisi_sec_skcipher_get_res,
.queue_alloc = hisi_sec_skcipher_queue_alloc,
.queue_free = hisi_sec_skcipher_queue_free,
.buf_map = hisi_sec_skcipher_buf_map,
.buf_unmap = hisi_sec_skcipher_buf_unmap,
.do_transfer = hisi_sec_skcipher_copy_iv,
.bd_fill = hisi_sec_skcipher_bd_fill_base,
.bd_send = hisi_sec_bd_send_asyn,
.callback = hisi_sec_skcipher_callback,
}, {
.fusion_type = SEC_NO_FUSION,
.get_res = hisi_sec_skcipher_get_res,
.queue_alloc = hisi_sec_skcipher_queue_alloc,
.queue_free = hisi_sec_skcipher_queue_free,
.buf_map = hisi_sec_skcipher_buf_map,
.buf_unmap = hisi_sec_skcipher_buf_unmap,
.do_transfer = hisi_sec_skcipher_copy_iv_dmcrypt,
.bd_fill = hisi_sec_skcipher_bd_fill_storage,
.bd_send = hisi_sec_bd_send_asyn,
.callback = hisi_sec_skcipher_callback,
}, {
.fusion_type = SEC_IV_FUSION,
.get_res = hisi_sec_skcipher_get_res,
.queue_alloc = hisi_sec_skcipher_queue_alloc,
.queue_free = hisi_sec_skcipher_queue_free,
.buf_map = hisi_sec_skcipher_buf_map,
.buf_unmap = hisi_sec_skcipher_buf_unmap,
.do_transfer = hisi_sec_skcipher_copy_iv,
.bd_fill = hisi_sec_skcipher_bd_fill_multi_iv,
.bd_send = hisi_sec_bd_send_asyn,
.callback = hisi_sec_skcipher_callback,
}
};
static int hisi_sec_cipher_ctx_init_alg(struct crypto_skcipher *tfm)
{
struct hisi_sec_ctx *ctx = crypto_skcipher_ctx(tfm);
ctx->req_op = &sec_req_ops_tbl[SEC_OPS_SKCIPHER_ALG];
ctx->is_fusion = ctx->req_op->fusion_type;
return hisi_sec_cipher_ctx_init(tfm);
}
#ifdef USE_DM_CRYPT_OPTIMIZE
static int hisi_sec_cipher_ctx_init_dm_crypt(struct crypto_skcipher *tfm)
{
struct hisi_sec_ctx *ctx = crypto_skcipher_ctx(tfm);
ctx->req_op = &sec_req_ops_tbl[SEC_OPS_DMCRYPT];
ctx->is_fusion = ctx->req_op->fusion_type;
return hisi_sec_cipher_ctx_init(tfm);
}
#endif
static int hisi_sec_cipher_ctx_init_multi_iv(struct crypto_skcipher *tfm)
{
struct hisi_sec_ctx *ctx = crypto_skcipher_ctx(tfm);
ctx->req_op = &sec_req_ops_tbl[SEC_OPS_MULTI_IV];
ctx->is_fusion = ctx->req_op->fusion_type;
return hisi_sec_cipher_ctx_init(tfm);
}
static void hisi_sec_req_cb(struct hisi_qp *qp, void *resp) static void hisi_sec_req_cb(struct hisi_qp *qp, void *resp)
{ {
struct hisi_sec_sqe *sec_sqe = (struct hisi_sec_sqe *)resp; struct hisi_sec_sqe *sec_sqe = (struct hisi_sec_sqe *)resp;
...@@ -667,39 +776,138 @@ static int hisi_sec_get_async_ret(int ret, int req_cnt, int req_fake_limit) ...@@ -667,39 +776,138 @@ static int hisi_sec_get_async_ret(int ret, int req_cnt, int req_fake_limit)
return ret; return ret;
} }
static int hisi_sec_skcipher_alloc(struct hisi_sec_ctx *ctx, static int hisi_sec_skcipher_get_res(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req) struct hisi_sec_req *req)
{ {
struct hisi_sec_cipher_req *c_req = &req->c_req; struct hisi_sec_cipher_req *c_req = &req->c_req;
struct device *sec_dev = ctx->sec_dev; struct hisi_sec_qp_ctx *qp_ctx = req->qp_ctx;
struct cipher_res *c_res = (struct cipher_res *)qp_ctx->priv_req_res;
int req_id = req->req_id;
c_req->c_ivin = dma_alloc_coherent(sec_dev, c_req->c_in = c_res[req_id].c_in;
SEC_IV_SIZE * ctx->fusion_limit, &c_req->c_ivin_dma, c_req->c_in_dma = c_res[req_id].c_in_dma;
GFP_ATOMIC); c_req->c_out = c_res[req_id].c_out;
c_req->c_out_dma = c_res[req_id].c_out_dma;
c_req->c_ivin = c_res[req_id].c_ivin;
c_req->c_ivin_dma = c_res[req_id].c_ivin_dma;
req->priv = (void **)c_res[req_id].sk_reqs;
c_req->src = c_res[req_id].src;
c_req->dst = c_res[req_id].dst;
if (!c_req->c_ivin) return 0;
return -ENOMEM; }
req->priv = kcalloc(ctx->fusion_limit, sizeof(void *), static int hisi_sec_skcipher_queue_alloc(struct hisi_sec_ctx *ctx,
GFP_ATOMIC); struct hisi_sec_qp_ctx *qp_ctx)
if (!req->priv) { {
dma_free_coherent(sec_dev, SEC_IV_SIZE * ctx->fusion_limit, struct cipher_res *c_res;
c_req->c_ivin, c_req->c_ivin_dma); int req_num = ctx->fusion_limit;
int alloc_num = QM_Q_DEPTH * ctx->fusion_limit;
int buf_map_num = QM_Q_DEPTH * BUF_MAP_NUM;
struct device *sec_dev = ctx->sec_dev;
int i, ret;
c_res = kcalloc(QM_Q_DEPTH, sizeof(struct cipher_res), GFP_KERNEL);
if (!c_res)
return -ENOMEM; return -ENOMEM;
qp_ctx->priv_req_res = (void *)c_res;
c_res[0].sk_reqs = kcalloc(alloc_num,
sizeof(struct skcipher_request_ctx *), GFP_KERNEL);
if (!c_res[0].sk_reqs) {
ret = -ENOMEM;
goto err_free_c_res;
}
c_res[0].c_ivin = dma_alloc_coherent(sec_dev,
SEC_IV_SIZE * alloc_num, &c_res[0].c_ivin_dma, GFP_KERNEL);
if (!c_res[0].c_ivin) {
ret = -ENOMEM;
goto err_free_sk_reqs;
}
c_res[0].src = kcalloc(buf_map_num, sizeof(struct scatterlist),
GFP_KERNEL);
if (!c_res[0].src) {
ret = -ENOMEM;
goto err_free_c_ivin;
}
c_res[0].dst = kcalloc(buf_map_num, sizeof(struct scatterlist),
GFP_KERNEL);
if (!c_res[0].dst) {
ret = -ENOMEM;
goto err_free_src;
}
c_res[0].c_in = acc_alloc_multi_sgl(sec_dev, &c_res[0].c_in_dma,
QM_Q_DEPTH);
if (!c_res[0].c_in) {
ret = -ENOMEM;
goto err_free_dst;
}
c_res[0].c_out = acc_alloc_multi_sgl(sec_dev, &c_res[0].c_out_dma,
QM_Q_DEPTH);
if (!c_res[0].c_out) {
ret = -ENOMEM;
goto err_free_c_in;
}
for (i = 1; i < QM_Q_DEPTH; i++) {
c_res[i].sk_reqs = c_res[0].sk_reqs + i * req_num;
c_res[i].c_ivin = c_res[0].c_ivin
+ i * req_num * SEC_IV_SIZE;
c_res[i].c_ivin_dma = c_res[0].c_ivin_dma
+ i * req_num * SEC_IV_SIZE;
c_res[i].src = c_res[0].src + i * req_num;
c_res[i].dst = c_res[0].dst + i * req_num;
c_res[i].c_in = c_res[0].c_in + i;
c_res[i].c_in_dma = c_res[0].c_in_dma
+ i * sizeof(struct acc_hw_sgl);
c_res[i].c_out = c_res[0].c_out + i;
c_res[i].c_out_dma = c_res[0].c_out_dma
+ i * sizeof(struct acc_hw_sgl);
} }
return 0; return 0;
err_free_c_in:
acc_free_multi_sgl(sec_dev, c_res[0].c_in, c_res[0].c_in_dma,
QM_Q_DEPTH);
err_free_dst:
kfree(c_res[0].dst);
err_free_src:
kfree(c_res[0].src);
err_free_c_ivin:
dma_free_coherent(sec_dev, SEC_IV_SIZE * alloc_num, c_res[0].c_ivin,
c_res[0].c_ivin_dma);
err_free_sk_reqs:
kfree(c_res[0].sk_reqs);
err_free_c_res:
kfree(c_res);
return ret;
} }
static int hisi_sec_skcipher_free(struct hisi_sec_ctx *ctx, static int hisi_sec_skcipher_queue_free(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req) struct hisi_sec_qp_ctx *qp_ctx)
{ {
struct hisi_sec_cipher_req *c_req = &req->c_req; struct cipher_res *c_res = (struct cipher_res *)qp_ctx->priv_req_res;
struct device *sec_dev = req->ctx->sec_dev; struct device *sec_dev = ctx->sec_dev;
int alloc_num = QM_Q_DEPTH * ctx->fusion_limit;
kfree(req->priv);
dma_free_coherent(sec_dev, SEC_IV_SIZE * ctx->fusion_limit, acc_free_multi_sgl(sec_dev, c_res[0].c_out, c_res[0].c_out_dma,
c_req->c_ivin, c_req->c_ivin_dma); QM_Q_DEPTH);
acc_free_multi_sgl(sec_dev, c_res[0].c_in, c_res[0].c_in_dma,
QM_Q_DEPTH);
kfree(c_res[0].dst);
kfree(c_res[0].src);
dma_free_coherent(sec_dev, SEC_IV_SIZE * alloc_num, c_res[0].c_ivin,
c_res[0].c_ivin_dma);
kfree(c_res[0].sk_reqs);
kfree(c_res);
return 0; return 0;
} }
...@@ -709,92 +917,68 @@ static int hisi_sec_skcipher_buf_map(struct hisi_sec_ctx *ctx, ...@@ -709,92 +917,68 @@ static int hisi_sec_skcipher_buf_map(struct hisi_sec_ctx *ctx,
{ {
struct hisi_sec_cipher_req *c_req = &req->c_req; struct hisi_sec_cipher_req *c_req = &req->c_req;
struct device *dev = ctx->sec_dev; struct device *dev = ctx->sec_dev;
struct dma_pool *pool = ctx->sec->sgl_pool;
struct skcipher_request *sk_req =
(struct skcipher_request *)req->priv[0];
struct skcipher_request *sk_next; struct skcipher_request *sk_next;
int src_nents, copyed_src_nents = 0, src_nents_sum = 0;
int dst_nents, copyed_dst_nents = 0, dst_nents_sum = 0;
int i, ret = 0; int i, ret = 0;
c_req->src = sk_req->src; for (i = 0; i < req->fusion_num; i++) {
c_req->dst = sk_req->dst; sk_next = (struct skcipher_request *)req->priv[i];
if (sk_next == NULL) {
if (ctx->is_fusion && req->fusion_num > 1) { dev_err(ctx->sec_dev, "nullptr at [%d]\n", i);
int src_nents, copyed_src_nents = 0, src_nents_sum = 0; return -EFAULT;
int dst_nents, copyed_dst_nents = 0, dst_nents_sum = 0;
int sg_size = sizeof(struct scatterlist);
for (i = 0; i < req->fusion_num; i++) {
sk_next = (struct skcipher_request *)req->priv[i];
if (sk_next == NULL) {
dev_err(ctx->sec_dev, "nullptr at [%d]\n", i);
return -EFAULT;
}
src_nents_sum += sg_nents(sk_next->src);
dst_nents_sum += sg_nents(sk_next->dst);
if (sk_next->src == sk_next->dst) {
dev_err(ctx->sec_dev, "err: src == dst\n");
return -EFAULT;
}
} }
src_nents_sum += sg_nents(sk_next->src);
dst_nents_sum += sg_nents(sk_next->dst);
if (sk_next->src == sk_next->dst && i > 0) {
dev_err(ctx->sec_dev, "err: src == dst\n");
return -EFAULT;
}
}
c_req->src = kcalloc(src_nents_sum, sg_size, GFP_KERNEL); if (src_nents_sum > BUF_MAP_NUM || dst_nents_sum > BUF_MAP_NUM) {
if (ZERO_OR_NULL_PTR(c_req->src)) dev_err(ctx->sec_dev, "src[%d] or dst[%d] bigger than %d\n",
return -ENOMEM; src_nents_sum, dst_nents_sum, BUF_MAP_NUM);
return -ENOBUFS;
c_req->dst = kcalloc(dst_nents_sum, sg_size, GFP_KERNEL); }
if (ZERO_OR_NULL_PTR(c_req->dst))
return -ENOMEM;
for (i = 0; i < req->fusion_num; i++) {
sk_next = (struct skcipher_request *)req->priv[i];
src_nents = sg_nents(sk_next->src);
dst_nents = sg_nents(sk_next->dst);
for (i = 0; i < req->fusion_num; i++) { if (i != req->fusion_num - 1) {
sk_next = (struct skcipher_request *)req->priv[i]; sg_unmark_end(&sk_next->src[src_nents - 1]);
src_nents = sg_nents(sk_next->src); sg_unmark_end(&sk_next->dst[dst_nents - 1]);
dst_nents = sg_nents(sk_next->dst);
if (i != req->fusion_num - 1) {
sg_unmark_end(&sk_next->src[src_nents - 1]);
sg_unmark_end(&sk_next->dst[dst_nents - 1]);
}
memcpy(c_req->src + copyed_src_nents, sk_next->src,
src_nents * sg_size);
memcpy(c_req->dst + copyed_dst_nents, sk_next->dst,
dst_nents * sg_size);
copyed_src_nents += src_nents;
copyed_dst_nents += dst_nents;
} }
/* ensure copy of sg already done */
mb();
}
c_req->c_in = acc_sg_buf_map_to_hw_sgl(dev, c_req->src, pool, memcpy(c_req->src + copyed_src_nents, sk_next->src,
&c_req->c_in_dma); src_nents * sizeof(struct scatterlist));
if (IS_ERR(c_req->c_in)) { memcpy(c_req->dst + copyed_dst_nents, sk_next->dst,
ret = PTR_ERR(c_req->c_in); dst_nents * sizeof(struct scatterlist));
goto err_free_sg_table;
copyed_src_nents += src_nents;
copyed_dst_nents += dst_nents;
} }
ret = acc_sg_buf_map_v2(dev, c_req->src, c_req->c_in, src_nents_sum);
if (ret)
return ret;
if (c_req->dst == c_req->src) { if (c_req->dst == c_req->src) {
c_req->c_out = c_req->c_in; c_req->c_out = c_req->c_in;
c_req->c_out_dma = c_req->c_in_dma; c_req->c_out_dma = c_req->c_in_dma;
} else { } else {
c_req->c_out = acc_sg_buf_map_to_hw_sgl(dev, c_req->dst, pool, ret = acc_sg_buf_map_v2(dev, c_req->dst, c_req->c_out,
&c_req->c_out_dma); dst_nents_sum);
if (IS_ERR(c_req->c_out)) { if (ret)
ret = PTR_ERR(c_req->c_out);
goto err_unmap_src; goto err_unmap_src;
}
} }
return 0; return 0;
err_unmap_src: err_unmap_src:
acc_sg_buf_unmap(dev, c_req->src, c_req->c_in, c_req->c_in_dma, pool); acc_sg_buf_unmap_v2(dev, c_req->src);
err_free_sg_table:
if (ctx->is_fusion && req->fusion_num > 1) {
kfree(c_req->src);
kfree(c_req->dst);
}
return ret; return ret;
} }
...@@ -804,18 +988,11 @@ static int hisi_sec_skcipher_buf_unmap(struct hisi_sec_ctx *ctx, ...@@ -804,18 +988,11 @@ static int hisi_sec_skcipher_buf_unmap(struct hisi_sec_ctx *ctx,
{ {
struct hisi_sec_cipher_req *c_req = &req->c_req; struct hisi_sec_cipher_req *c_req = &req->c_req;
struct device *dev = ctx->sec_dev; struct device *dev = ctx->sec_dev;
struct dma_pool *pool = ctx->sec->sgl_pool;
if (c_req->dst != c_req->src) if (c_req->dst != c_req->src)
acc_sg_buf_unmap(dev, c_req->dst, c_req->c_out, acc_sg_buf_unmap_v2(dev, c_req->src);
c_req->c_out_dma, pool);
acc_sg_buf_unmap(dev, c_req->src, c_req->c_in, c_req->c_in_dma, pool);
if (ctx->is_fusion && req->fusion_num > 1) { acc_sg_buf_unmap_v2(dev, c_req->dst);
kfree(c_req->src);
kfree(c_req->dst);
}
return 0; return 0;
} }
...@@ -1001,21 +1178,16 @@ static int hisi_sec_skcipher_complete(struct hisi_sec_ctx *ctx, ...@@ -1001,21 +1178,16 @@ static int hisi_sec_skcipher_complete(struct hisi_sec_ctx *ctx,
else else
req_fusion_num = req->fusion_num; req_fusion_num = req->fusion_num;
/* ensure data already writeback */
mb();
for (i = 0; i < req_fusion_num; i++) for (i = 0; i < req_fusion_num; i++)
sk_reqs[i]->base.complete(&sk_reqs[i]->base, err_code); sk_reqs[i]->base.complete(&sk_reqs[i]->base, err_code);
/* free sk_reqs if this request is completed */ /* free sk_reqs if this request is completed */
if (err_code != -EINPROGRESS) { if (err_code != -EINPROGRESS)
__sync_add_and_fetch(&ctx->sec->sec_dfx.put_task_cnt, __sync_add_and_fetch(&ctx->sec->sec_dfx.put_task_cnt,
req_fusion_num); req_fusion_num);
kfree(sk_reqs); else
} else {
__sync_add_and_fetch(&ctx->sec->sec_dfx.busy_comp_cnt, __sync_add_and_fetch(&ctx->sec->sec_dfx.busy_comp_cnt,
req_fusion_num); req_fusion_num);
}
return 0; return 0;
} }
...@@ -1023,19 +1195,16 @@ static int hisi_sec_skcipher_complete(struct hisi_sec_ctx *ctx, ...@@ -1023,19 +1195,16 @@ static int hisi_sec_skcipher_complete(struct hisi_sec_ctx *ctx,
static int hisi_sec_skcipher_callback(struct hisi_sec_ctx *ctx, static int hisi_sec_skcipher_callback(struct hisi_sec_ctx *ctx,
struct hisi_sec_req *req) struct hisi_sec_req *req)
{ {
struct hisi_sec_cipher_req *c_req = &req->c_req; struct hisi_sec_qp_ctx *qp_ctx = req->qp_ctx;
struct device *sec_dev = req->ctx->sec_dev; int req_id = req->req_id;
dma_free_coherent(sec_dev, SEC_IV_SIZE * ctx->fusion_limit,
c_req->c_ivin, c_req->c_ivin_dma);
hisi_sec_free_req_id(req);
if (__sync_bool_compare_and_swap(&req->fake_busy, 1, 0)) if (__sync_bool_compare_and_swap(&req->fake_busy, 1, 0))
hisi_sec_skcipher_complete(ctx, req, -EINPROGRESS); hisi_sec_skcipher_complete(ctx, req, -EINPROGRESS);
hisi_sec_skcipher_complete(ctx, req, req->err_type); hisi_sec_skcipher_complete(ctx, req, req->err_type);
hisi_sec_free_req_id(qp_ctx, req_id);
return 0; return 0;
} }
...@@ -1109,6 +1278,7 @@ static struct hisi_sec_req *sec_request_alloc(struct hisi_sec_ctx *ctx, ...@@ -1109,6 +1278,7 @@ static struct hisi_sec_req *sec_request_alloc(struct hisi_sec_ctx *ctx,
if (req->fusion_num == ctx->fusion_limit) { if (req->fusion_num == ctx->fusion_limit) {
*fusion_send = 1; *fusion_send = 1;
qp_ctx->fusion_req = NULL; qp_ctx->fusion_req = NULL;
cancel_delayed_work(&qp_ctx->work);
} }
spin_unlock_irqrestore(&qp_ctx->req_lock, flags); spin_unlock_irqrestore(&qp_ctx->req_lock, flags);
return req; return req;
...@@ -1132,9 +1302,9 @@ static struct hisi_sec_req *sec_request_alloc(struct hisi_sec_ctx *ctx, ...@@ -1132,9 +1302,9 @@ static struct hisi_sec_req *sec_request_alloc(struct hisi_sec_ctx *ctx,
__sync_add_and_fetch(&ctx->sec->sec_dfx.fake_busy_cnt, 1); __sync_add_and_fetch(&ctx->sec->sec_dfx.fake_busy_cnt, 1);
} }
ret = ctx->req_op->alloc(ctx, req); ret = ctx->req_op->get_res(ctx, req);
if (ret) { if (ret) {
dev_err(ctx->sec_dev, "req_op alloc failed\n"); dev_err(ctx->sec_dev, "req_op get_res failed\n");
spin_unlock_irqrestore(&qp_ctx->req_lock, flags); spin_unlock_irqrestore(&qp_ctx->req_lock, flags);
goto err_free_req_id; goto err_free_req_id;
} }
...@@ -1150,16 +1320,16 @@ static struct hisi_sec_req *sec_request_alloc(struct hisi_sec_ctx *ctx, ...@@ -1150,16 +1320,16 @@ static struct hisi_sec_req *sec_request_alloc(struct hisi_sec_ctx *ctx,
if (ctx->is_fusion && *fusion_send == 0) { if (ctx->is_fusion && *fusion_send == 0) {
if (ctx->sec->qm.wq) if (ctx->sec->qm.wq)
queue_delayed_work(ctx->sec->qm.wq, &qp_ctx->work, queue_delayed_work(ctx->sec->qm.wq, &qp_ctx->work,
nsecs_to_jiffies(ctx->fusion_tmout_usec)); usecs_to_jiffies(ctx->fusion_tmout_usec));
else else
schedule_delayed_work(&qp_ctx->work, schedule_delayed_work(&qp_ctx->work,
nsecs_to_jiffies(ctx->fusion_tmout_usec)); usecs_to_jiffies(ctx->fusion_tmout_usec));
} }
return req; return req;
err_free_req_id: err_free_req_id:
hisi_sec_free_req_id(req); hisi_sec_free_req_id(qp_ctx, req->req_id);
return NULL; return NULL;
} }
...@@ -1234,48 +1404,12 @@ static int sec_io_proc(struct hisi_sec_ctx *ctx, struct hisi_sec_req *in_req) ...@@ -1234,48 +1404,12 @@ static int sec_io_proc(struct hisi_sec_ctx *ctx, struct hisi_sec_req *in_req)
err_unmap_req: err_unmap_req:
ctx->req_op->buf_unmap(ctx, req); ctx->req_op->buf_unmap(ctx, req);
err_free_req: err_free_req:
ctx->req_op->free(ctx, req); hisi_sec_free_req_id(req->qp_ctx, req->req_id);
hisi_sec_free_req_id(req);
atomic_dec(&ctx->thread_cnt); atomic_dec(&ctx->thread_cnt);
return ret; return ret;
} }
struct hisi_sec_req_op sec_req_ops_tbl[] = { static int sec_skcipher_crypto(struct skcipher_request *sk_req, bool encrypt)
{
.fusion_type = SEC_NO_FUSION,
.alloc = hisi_sec_skcipher_alloc,
.free = hisi_sec_skcipher_free,
.buf_map = hisi_sec_skcipher_buf_map,
.buf_unmap = hisi_sec_skcipher_buf_unmap,
.do_transfer = hisi_sec_skcipher_copy_iv,
.bd_fill = hisi_sec_skcipher_bd_fill_base,
.bd_send = hisi_sec_bd_send_asyn,
.callback = hisi_sec_skcipher_callback,
}, {
.fusion_type = SEC_NO_FUSION,
.alloc = hisi_sec_skcipher_alloc,
.free = hisi_sec_skcipher_free,
.buf_map = hisi_sec_skcipher_buf_map,
.buf_unmap = hisi_sec_skcipher_buf_unmap,
.do_transfer = hisi_sec_skcipher_copy_iv_dmcrypt,
.bd_fill = hisi_sec_skcipher_bd_fill_storage,
.bd_send = hisi_sec_bd_send_asyn,
.callback = hisi_sec_skcipher_callback,
}, {
.fusion_type = SEC_IV_FUSION,
.alloc = hisi_sec_skcipher_alloc,
.free = hisi_sec_skcipher_free,
.buf_map = hisi_sec_skcipher_buf_map,
.buf_unmap = hisi_sec_skcipher_buf_unmap,
.do_transfer = hisi_sec_skcipher_copy_iv,
.bd_fill = hisi_sec_skcipher_bd_fill_multi_iv,
.bd_send = hisi_sec_bd_send_asyn,
.callback = hisi_sec_skcipher_callback,
}
};
static int sec_skcipher_crypto(struct skcipher_request *sk_req,
bool encrypt, enum SEC_REQ_OPS_TYPE req_ops_type)
{ {
struct crypto_skcipher *atfm = crypto_skcipher_reqtfm(sk_req); struct crypto_skcipher *atfm = crypto_skcipher_reqtfm(sk_req);
struct hisi_sec_ctx *ctx = crypto_skcipher_ctx(atfm); struct hisi_sec_ctx *ctx = crypto_skcipher_ctx(atfm);
...@@ -1287,31 +1421,22 @@ static int sec_skcipher_crypto(struct skcipher_request *sk_req, ...@@ -1287,31 +1421,22 @@ static int sec_skcipher_crypto(struct skcipher_request *sk_req,
req->c_req.sk_req = sk_req; req->c_req.sk_req = sk_req;
req->c_req.encrypt = encrypt; req->c_req.encrypt = encrypt;
req->ctx = ctx; req->ctx = ctx;
ctx->req_op = &sec_req_ops_tbl[req_ops_type];
ctx->is_fusion = ctx->req_op->fusion_type;
return sec_io_proc(ctx, req); return sec_io_proc(ctx, req);
} }
#define SEC_SKCIPHER_GEN_CRYPT(suffix, encrypt, fusion_type) \ static int sec_skcipher_encrypt(struct skcipher_request *sk_req)
static int sec_skcipher_##suffix(struct skcipher_request *req) \ {
{ \ return sec_skcipher_crypto(sk_req, true);
return sec_skcipher_crypto(req, encrypt, fusion_type); \
} }
SEC_SKCIPHER_GEN_CRYPT(alg_encrypt, true, SEC_OPS_SKCIPHER_ALG) static int sec_skcipher_decrypt(struct skcipher_request *sk_req)
SEC_SKCIPHER_GEN_CRYPT(alg_decrypt, false, SEC_OPS_SKCIPHER_ALG) {
return sec_skcipher_crypto(sk_req, false);
#ifdef USE_DM_CRYPT_OPTIMIZE }
SEC_SKCIPHER_GEN_CRYPT(dm_encrypt, true, SEC_OPS_DMCRYPT)
SEC_SKCIPHER_GEN_CRYPT(dm_decrypt, false, SEC_OPS_DMCRYPT)
#endif
SEC_SKCIPHER_GEN_CRYPT(fusion_encrypt, true, SEC_OPS_MULTI_IV)
SEC_SKCIPHER_GEN_CRYPT(fusion_decrypt, false, SEC_OPS_MULTI_IV)
#define SEC_SKCIPHER_GEN_ALG(sec_cra_name, sec_set_key, sec_min_key_size, \ #define SEC_SKCIPHER_GEN_ALG(sec_cra_name, sec_set_key, sec_min_key_size, \
sec_max_key_size, sec_decrypt, sec_encrypt, blk_size, iv_size)\ sec_max_key_size, hisi_sec_cipher_ctx_init_func, blk_size, iv_size)\
{\ {\
.base = {\ .base = {\
.cra_name = sec_cra_name,\ .cra_name = sec_cra_name,\
...@@ -1323,11 +1448,11 @@ SEC_SKCIPHER_GEN_CRYPT(fusion_decrypt, false, SEC_OPS_MULTI_IV) ...@@ -1323,11 +1448,11 @@ SEC_SKCIPHER_GEN_CRYPT(fusion_decrypt, false, SEC_OPS_MULTI_IV)
.cra_alignmask = 0,\ .cra_alignmask = 0,\
.cra_module = THIS_MODULE,\ .cra_module = THIS_MODULE,\
},\ },\
.init = hisi_sec_cipher_ctx_init,\ .init = hisi_sec_cipher_ctx_init_func,\
.exit = hisi_sec_cipher_ctx_exit,\ .exit = hisi_sec_cipher_ctx_exit,\
.setkey = sec_set_key,\ .setkey = sec_set_key,\
.decrypt = sec_decrypt,\ .decrypt = sec_skcipher_decrypt,\
.encrypt = sec_encrypt,\ .encrypt = sec_skcipher_encrypt,\
.min_keysize = sec_min_key_size,\ .min_keysize = sec_min_key_size,\
.max_keysize = sec_max_key_size,\ .max_keysize = sec_max_key_size,\
.ivsize = iv_size,\ .ivsize = iv_size,\
...@@ -1336,18 +1461,17 @@ SEC_SKCIPHER_GEN_CRYPT(fusion_decrypt, false, SEC_OPS_MULTI_IV) ...@@ -1336,18 +1461,17 @@ SEC_SKCIPHER_GEN_CRYPT(fusion_decrypt, false, SEC_OPS_MULTI_IV)
#define SEC_SKCIPHER_NORMAL_ALG(name, key_func, min_key_size, \ #define SEC_SKCIPHER_NORMAL_ALG(name, key_func, min_key_size, \
max_key_size, blk_size, iv_size) \ max_key_size, blk_size, iv_size) \
SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \ SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \
sec_skcipher_alg_decrypt, sec_skcipher_alg_encrypt, blk_size, iv_size) hisi_sec_cipher_ctx_init_alg, blk_size, iv_size)
#define SEC_SKCIPHER_DM_ALG(name, key_func, min_key_size, \ #define SEC_SKCIPHER_DM_ALG(name, key_func, min_key_size, \
max_key_size, blk_size, iv_size) \ max_key_size, blk_size, iv_size) \
SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \ SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \
sec_skcipher_dm_decrypt, sec_skcipher_dm_encrypt, blk_size, iv_size) hisi_sec_cipher_ctx_init_dm_crypt, blk_size, iv_size)
#define SEC_SKCIPHER_FUSION_ALG(name, key_func, min_key_size, \ #define SEC_SKCIPHER_FUSION_ALG(name, key_func, min_key_size, \
max_key_size, blk_size, iv_size) \ max_key_size, blk_size, iv_size) \
SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \ SEC_SKCIPHER_GEN_ALG(name, key_func, min_key_size, max_key_size, \
sec_skcipher_fusion_decrypt, sec_skcipher_fusion_encrypt, blk_size, \ hisi_sec_cipher_ctx_init_multi_iv, blk_size, iv_size)
iv_size)
static struct skcipher_alg sec_algs[] = { static struct skcipher_alg sec_algs[] = {
SEC_SKCIPHER_NORMAL_ALG("ecb(aes)", sec_setkey_aes_ecb, SEC_SKCIPHER_NORMAL_ALG("ecb(aes)", sec_setkey_aes_ecb,
......
drivers/crypto/hisilicon/sec2/sec_main.c
浏览文件 @ 1d9e855e
...@@ -327,7 +327,7 @@ module_param(ctx_q_num, int, 0444); ...@@ -327,7 +327,7 @@ module_param(ctx_q_num, int, 0444);
static int fusion_limit = 64; static int fusion_limit = 64;
module_param(fusion_limit, int, 0444); module_param(fusion_limit, int, 0444);
static int fusion_tmout_usec = 500; static int fusion_tmout_usec = 100;
module_param(fusion_tmout_usec, int, 0444); module_param(fusion_tmout_usec, int, 0444);
static const struct pci_device_id hisi_sec_dev_ids[] = { static const struct pci_device_id hisi_sec_dev_ids[] = {
...@@ -764,7 +764,8 @@ static void hisi_sec_debugfs_exit(struct hisi_sec *hisi_sec) ...@@ -764,7 +764,8 @@ static void hisi_sec_debugfs_exit(struct hisi_sec *hisi_sec)
static void hisi_sec_hw_error_init(struct hisi_sec *hisi_sec) static void hisi_sec_hw_error_init(struct hisi_sec *hisi_sec)
{ {
hisi_qm_hw_error_init(&hisi_sec->qm, QM_BASE_CE, hisi_qm_hw_error_init(&hisi_sec->qm, QM_BASE_CE,
QM_BASE_NFE | QM_ACC_WB_NOT_READY_TIMEOUT, 0, QM_BASE_NFE | QM_ACC_DO_TASK_TIMEOUT
| QM_ACC_WB_NOT_READY_TIMEOUT, 0,
QM_DB_RANDOM_INVALID); QM_DB_RANDOM_INVALID);
hisi_sec_hw_error_set_state(hisi_sec, true); hisi_sec_hw_error_set_state(hisi_sec, true);
} }
......
drivers/crypto/hisilicon/sgl.c
浏览文件 @ 1d9e855e
...@@ -6,33 +6,6 @@ ...@@ -6,33 +6,6 @@
#include <linux/delay.h> #include <linux/delay.h>
#include "./sgl.h" #include "./sgl.h"
#define ACC_SGL_SGE_NR_MIN 1
#define ACC_SGL_SGE_NR_MAX 255
#define ACC_SGL_SGE_NR 64
#define ACC_SGL_NR_MAX 256
#define ACC_SGL_ALIGN_SIZE 64
struct acc_hw_sge {
dma_addr_t buf;
void *page_ctrl;
__le32 len;
__le32 pad;
__le32 pad0;
__le32 pad1;
};
/* use default sgl head size 64B */
struct acc_hw_sgl {
dma_addr_t next_dma;
__le16 entry_sum_in_chain;
__le16 entry_sum_in_sgl;
__le16 entry_length_in_sgl;
__le16 pad0;
__le64 pad1[5];
struct acc_hw_sgl *next;
struct acc_hw_sge sge_entries[ACC_SGL_SGE_NR];
} __aligned(1);
/** /**
* acc_create_sgl_pool() - Create a hw sgl pool. * acc_create_sgl_pool() - Create a hw sgl pool.
* @dev: The device which hw sgl pool belongs to. * @dev: The device which hw sgl pool belongs to.
...@@ -225,6 +198,111 @@ void acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl, ...@@ -225,6 +198,111 @@ void acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl,
} }
EXPORT_SYMBOL_GPL(acc_sg_buf_unmap); EXPORT_SYMBOL_GPL(acc_sg_buf_unmap);
/**
* acc_alloc_multi_sgl - Alloc multi hw_sgl at once.
* @dev: The device which hw sgl belongs to.
* @hw_sgl: The address of hw sgl.
* @hw_sgl_dma: The dma address of hw sgl
* @sge_num: The sge num in hw_sgl.
*/
struct acc_hw_sgl *acc_alloc_multi_sgl(struct device *dev,
dma_addr_t *hw_sgl_dma, int sgl_num)
{
if (!dev || !hw_sgl_dma || !sgl_num)
return NULL;
return dma_alloc_coherent(dev, sgl_num * sizeof(struct acc_hw_sgl),
hw_sgl_dma, GFP_KERNEL | __GFP_ZERO);
}
EXPORT_SYMBOL_GPL(acc_alloc_multi_sgl);
/**
* acc_free_multi_sgl - Free multi hw_sgl at once.
* @dev: The device which hw sgl belongs to.
* @hw_sgl: The address of hw sgl.
* @hw_sgl_dma: The dma address of hw sgl
* @sge_num: The sge num in hw_sgl.
*/
void acc_free_multi_sgl(struct device *dev, struct acc_hw_sgl *hw_sgl,
dma_addr_t hw_sgl_dma, int sgl_num)
{
if (!dev || !hw_sgl || !hw_sgl_dma || !sgl_num)
return;
dma_free_coherent(dev, sgl_num * sizeof(struct acc_hw_sgl), hw_sgl,
hw_sgl_dma);
}
EXPORT_SYMBOL_GPL(acc_free_multi_sgl);
/**
* acc_sg_buf_map_to_hw_sgl - Map a scatterlist to a hw sgl.
* @dev: The device which hw sgl belongs to.
* @sgl: Scatterlist which will be mapped to hw sgl.
* @hw_sgl: The address of hw sgl.
* @sge_num: The sge num in hw_sgl.
*/
int acc_sg_buf_map_v2(struct device *dev, struct scatterlist *sgl,
struct acc_hw_sgl *hw_sgl, int sge_num)
{
struct acc_hw_sgl *curr_hw_sgl;
struct acc_hw_sge *curr_hw_sge;
struct scatterlist *sg;
int sg_n = sg_nents(sgl);
int i, ret;
if (!dev || !sgl || !hw_sgl || sge_num < sg_n)
return -EINVAL;
ret = dma_map_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
if (!ret)
return -EINVAL;
curr_hw_sgl = hw_sgl;
curr_hw_sgl->entry_length_in_sgl = ACC_SGL_SGE_NR;
curr_hw_sgl->entry_sum_in_sgl = 0;
curr_hw_sge = curr_hw_sgl->sge_entries;
for_each_sg(sgl, sg, sg_n, i) {
if (unlikely(!has_empty_sge(curr_hw_sgl))) {
curr_hw_sgl = curr_hw_sgl->next;
curr_hw_sgl->entry_length_in_sgl = ACC_SGL_SGE_NR;
curr_hw_sgl->entry_sum_in_sgl = 0;
curr_hw_sge = curr_hw_sgl->sge_entries;
}
__sg_map_to_hw_sg(sg, curr_hw_sge);
inc_hw_sgl_sge(curr_hw_sgl);
curr_hw_sge++;
}
update_hw_sgl_sum_sge(hw_sgl,
(sge_num + ACC_SGL_SGE_NR - 1) & (~(ACC_SGL_SGE_NR - 1)));
return 0;
}
EXPORT_SYMBOL_GPL(acc_sg_buf_map_v2);
/**
* acc_sg_buf_unmap_v2() - unmap all sgl.
* @dev: The device which hw sgl belongs to.
* @sgl: Related scatterlist.
*
* This function unmap all sgl.
*/
void acc_sg_buf_unmap_v2(struct device *dev, struct scatterlist *sgl)
{
int sg_n = sg_nents(sgl);
if (!dev || !sgl)
return;
dma_unmap_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
}
EXPORT_SYMBOL_GPL(acc_sg_buf_unmap_v2);
MODULE_LICENSE("GPL v2"); MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>"); MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
MODULE_DESCRIPTION("HiSilicon Accelerator SGL support"); MODULE_DESCRIPTION("HiSilicon Accelerator SGL support");
drivers/crypto/hisilicon/sgl.h
浏览文件 @ 1d9e855e
...@@ -3,6 +3,33 @@ ...@@ -3,6 +3,33 @@
#ifndef HISI_ACC_SGL_H #ifndef HISI_ACC_SGL_H
#define HISI_ACC_SGL_H #define HISI_ACC_SGL_H
#define ACC_SGL_SGE_NR_MIN 1
#define ACC_SGL_SGE_NR_MAX 255
#define ACC_SGL_SGE_NR 64
#define ACC_SGL_NR_MAX 256
#define ACC_SGL_ALIGN_SIZE 64
struct acc_hw_sge {
dma_addr_t buf;
void *page_ctrl;
__le32 len;
__le32 pad;
__le32 pad0;
__le32 pad1;
};
/* use default sgl head size 64B */
struct acc_hw_sgl {
dma_addr_t next_dma;
__le16 entry_sum_in_chain;
__le16 entry_sum_in_sgl;
__le16 entry_length_in_sgl;
__le16 pad0;
__le64 pad1[5];
struct acc_hw_sgl *next;
struct acc_hw_sge sge_entries[ACC_SGL_SGE_NR];
};
struct acc_hw_sgl *acc_sg_buf_map_to_hw_sgl(struct device *dev, struct acc_hw_sgl *acc_sg_buf_map_to_hw_sgl(struct device *dev,
struct scatterlist *sgl, struct scatterlist *sgl,
struct dma_pool *pool, struct dma_pool *pool,
...@@ -11,4 +38,14 @@ void acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl, ...@@ -11,4 +38,14 @@ void acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl,
struct acc_hw_sgl *hw_sgl, dma_addr_t hw_sgl_dma, struct acc_hw_sgl *hw_sgl, dma_addr_t hw_sgl_dma,
struct dma_pool *pool); struct dma_pool *pool);
struct dma_pool *acc_create_sgl_pool(struct device *dev, const char *name); struct dma_pool *acc_create_sgl_pool(struct device *dev, const char *name);
struct acc_hw_sgl *acc_alloc_multi_sgl(struct device *dev,
dma_addr_t *hw_sgl_dma, int sgl_num);
void acc_free_multi_sgl(struct device *dev, struct acc_hw_sgl *hw_sgl,
dma_addr_t hw_sgl_dma, int sgl_num);
int acc_sg_buf_map_v2(struct device *dev, struct scatterlist *sgl,
struct acc_hw_sgl *hw_sgl, int sge_num);
void acc_sg_buf_unmap_v2(struct device *dev, struct scatterlist *sgl);
#endif #endif
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