diff options
Diffstat (limited to 'drivers/crypto/hisilicon/zip')
-rw-r--r-- | drivers/crypto/hisilicon/zip/Makefile | 2 | ||||
-rw-r--r-- | drivers/crypto/hisilicon/zip/zip.h | 88 | ||||
-rw-r--r-- | drivers/crypto/hisilicon/zip/zip_crypto.c | 839 | ||||
-rw-r--r-- | drivers/crypto/hisilicon/zip/zip_main.c | 1441 |
4 files changed, 2370 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/zip/Makefile b/drivers/crypto/hisilicon/zip/Makefile new file mode 100644 index 0000000000..a936f099ee --- /dev/null +++ b/drivers/crypto/hisilicon/zip/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_CRYPTO_DEV_HISI_ZIP) += hisi_zip.o +hisi_zip-objs = zip_main.o zip_crypto.o diff --git a/drivers/crypto/hisilicon/zip/zip.h b/drivers/crypto/hisilicon/zip/zip.h new file mode 100644 index 0000000000..f2e6da3240 --- /dev/null +++ b/drivers/crypto/hisilicon/zip/zip.h @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019 HiSilicon Limited. */ +#ifndef HISI_ZIP_H +#define HISI_ZIP_H + +#undef pr_fmt +#define pr_fmt(fmt) "hisi_zip: " fmt + +#include <linux/list.h> +#include <linux/hisi_acc_qm.h> + +enum hisi_zip_error_type { + /* negative compression */ + HZIP_NC_ERR = 0x0d, +}; + +struct hisi_zip_dfx { + atomic64_t send_cnt; + atomic64_t recv_cnt; + atomic64_t send_busy_cnt; + atomic64_t err_bd_cnt; +}; + +struct hisi_zip_ctrl; + +struct hisi_zip { + struct hisi_qm qm; + struct hisi_zip_ctrl *ctrl; + struct hisi_zip_dfx dfx; +}; + +struct hisi_zip_sqe { + u32 consumed; + u32 produced; + u32 comp_data_length; + /* + * status: 0~7 bits + * rsvd: 8~31 bits + */ + u32 dw3; + u32 input_data_length; + u32 dw5; + u32 dw6; + /* + * in_sge_data_offset: 0~23 bits + * rsvd: 24~27 bits + * sqe_type: 29~31 bits + */ + u32 dw7; + /* + * out_sge_data_offset: 0~23 bits + * rsvd: 24~31 bits + */ + u32 dw8; + /* + * request_type: 0~7 bits + * buffer_type: 8~11 bits + * rsvd: 13~31 bits + */ + u32 dw9; + u32 dw10; + u32 dw11; + u32 dw12; + /* tag: in sqe type 0 */ + u32 dw13; + u32 dest_avail_out; + u32 dw15; + u32 dw16; + u32 dw17; + u32 source_addr_l; + u32 source_addr_h; + u32 dest_addr_l; + u32 dest_addr_h; + u32 dw22; + u32 dw23; + u32 dw24; + u32 dw25; + /* tag: in sqe type 3 */ + u32 dw26; + u32 dw27; + u32 rsvd1[4]; +}; + +int zip_create_qps(struct hisi_qp **qps, int qp_num, int node); +int hisi_zip_register_to_crypto(struct hisi_qm *qm); +void hisi_zip_unregister_from_crypto(struct hisi_qm *qm); +bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg); +#endif diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c new file mode 100644 index 0000000000..6608971d10 --- /dev/null +++ b/drivers/crypto/hisilicon/zip/zip_crypto.c @@ -0,0 +1,839 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019 HiSilicon Limited. */ +#include <crypto/internal/acompress.h> +#include <linux/bitfield.h> +#include <linux/bitmap.h> +#include <linux/dma-mapping.h> +#include <linux/scatterlist.h> +#include "zip.h" + +/* hisi_zip_sqe dw3 */ +#define HZIP_BD_STATUS_M GENMASK(7, 0) +/* hisi_zip_sqe dw7 */ +#define HZIP_IN_SGE_DATA_OFFSET_M GENMASK(23, 0) +#define HZIP_SQE_TYPE_M GENMASK(31, 28) +/* hisi_zip_sqe dw8 */ +#define HZIP_OUT_SGE_DATA_OFFSET_M GENMASK(23, 0) +/* hisi_zip_sqe dw9 */ +#define HZIP_REQ_TYPE_M GENMASK(7, 0) +#define HZIP_ALG_TYPE_ZLIB 0x02 +#define HZIP_ALG_TYPE_GZIP 0x03 +#define HZIP_BUF_TYPE_M GENMASK(11, 8) +#define HZIP_PBUFFER 0x0 +#define HZIP_SGL 0x1 + +#define HZIP_ZLIB_HEAD_SIZE 2 +#define HZIP_GZIP_HEAD_SIZE 10 + +#define GZIP_HEAD_FHCRC_BIT BIT(1) +#define GZIP_HEAD_FEXTRA_BIT BIT(2) +#define GZIP_HEAD_FNAME_BIT BIT(3) +#define GZIP_HEAD_FCOMMENT_BIT BIT(4) + +#define GZIP_HEAD_FLG_SHIFT 3 +#define GZIP_HEAD_FEXTRA_SHIFT 10 +#define GZIP_HEAD_FEXTRA_XLEN 2UL +#define GZIP_HEAD_FHCRC_SIZE 2 + +#define HZIP_GZIP_HEAD_BUF 256 +#define HZIP_ALG_PRIORITY 300 +#define HZIP_SGL_SGE_NR 10 + +#define HZIP_ALG_ZLIB GENMASK(1, 0) +#define HZIP_ALG_GZIP GENMASK(3, 2) + +static const u8 zlib_head[HZIP_ZLIB_HEAD_SIZE] = {0x78, 0x9c}; +static const u8 gzip_head[HZIP_GZIP_HEAD_SIZE] = { + 0x1f, 0x8b, 0x08, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x03 +}; + +enum hisi_zip_alg_type { + HZIP_ALG_TYPE_COMP = 0, + HZIP_ALG_TYPE_DECOMP = 1, +}; + +enum { + HZIP_QPC_COMP, + HZIP_QPC_DECOMP, + HZIP_CTX_Q_NUM +}; + +#define COMP_NAME_TO_TYPE(alg_name) \ + (!strcmp((alg_name), "zlib-deflate") ? HZIP_ALG_TYPE_ZLIB : \ + !strcmp((alg_name), "gzip") ? HZIP_ALG_TYPE_GZIP : 0) \ + +#define TO_HEAD_SIZE(req_type) \ + (((req_type) == HZIP_ALG_TYPE_ZLIB) ? sizeof(zlib_head) : \ + ((req_type) == HZIP_ALG_TYPE_GZIP) ? sizeof(gzip_head) : 0) \ + +#define TO_HEAD(req_type) \ + (((req_type) == HZIP_ALG_TYPE_ZLIB) ? zlib_head : \ + ((req_type) == HZIP_ALG_TYPE_GZIP) ? gzip_head : NULL) \ + +struct hisi_zip_req { + struct acomp_req *req; + u32 sskip; + u32 dskip; + struct hisi_acc_hw_sgl *hw_src; + struct hisi_acc_hw_sgl *hw_dst; + dma_addr_t dma_src; + dma_addr_t dma_dst; + u16 req_id; +}; + +struct hisi_zip_req_q { + struct hisi_zip_req *q; + unsigned long *req_bitmap; + rwlock_t req_lock; + u16 size; +}; + +struct hisi_zip_qp_ctx { + struct hisi_qp *qp; + struct hisi_zip_req_q req_q; + struct hisi_acc_sgl_pool *sgl_pool; + struct hisi_zip *zip_dev; + struct hisi_zip_ctx *ctx; +}; + +struct hisi_zip_sqe_ops { + u8 sqe_type; + void (*fill_addr)(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req); + void (*fill_buf_size)(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req); + void (*fill_buf_type)(struct hisi_zip_sqe *sqe, u8 buf_type); + void (*fill_req_type)(struct hisi_zip_sqe *sqe, u8 req_type); + void (*fill_tag)(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req); + void (*fill_sqe_type)(struct hisi_zip_sqe *sqe, u8 sqe_type); + u32 (*get_tag)(struct hisi_zip_sqe *sqe); + u32 (*get_status)(struct hisi_zip_sqe *sqe); + u32 (*get_dstlen)(struct hisi_zip_sqe *sqe); +}; + +struct hisi_zip_ctx { + struct hisi_zip_qp_ctx qp_ctx[HZIP_CTX_Q_NUM]; + const struct hisi_zip_sqe_ops *ops; +}; + +static int sgl_sge_nr_set(const char *val, const struct kernel_param *kp) +{ + int ret; + u16 n; + + if (!val) + return -EINVAL; + + ret = kstrtou16(val, 10, &n); + if (ret || n == 0 || n > HISI_ACC_SGL_SGE_NR_MAX) + return -EINVAL; + + return param_set_ushort(val, kp); +} + +static const struct kernel_param_ops sgl_sge_nr_ops = { + .set = sgl_sge_nr_set, + .get = param_get_ushort, +}; + +static u16 sgl_sge_nr = HZIP_SGL_SGE_NR; +module_param_cb(sgl_sge_nr, &sgl_sge_nr_ops, &sgl_sge_nr, 0444); +MODULE_PARM_DESC(sgl_sge_nr, "Number of sge in sgl(1-255)"); + +static u32 get_extra_field_size(const u8 *start) +{ + return *((u16 *)start) + GZIP_HEAD_FEXTRA_XLEN; +} + +static u32 get_name_field_size(const u8 *start) +{ + return strlen(start) + 1; +} + +static u32 get_comment_field_size(const u8 *start) +{ + return strlen(start) + 1; +} + +static u32 __get_gzip_head_size(const u8 *src) +{ + u8 head_flg = *(src + GZIP_HEAD_FLG_SHIFT); + u32 size = GZIP_HEAD_FEXTRA_SHIFT; + + if (head_flg & GZIP_HEAD_FEXTRA_BIT) + size += get_extra_field_size(src + size); + if (head_flg & GZIP_HEAD_FNAME_BIT) + size += get_name_field_size(src + size); + if (head_flg & GZIP_HEAD_FCOMMENT_BIT) + size += get_comment_field_size(src + size); + if (head_flg & GZIP_HEAD_FHCRC_BIT) + size += GZIP_HEAD_FHCRC_SIZE; + + return size; +} + +static u32 __maybe_unused get_gzip_head_size(struct scatterlist *sgl) +{ + char buf[HZIP_GZIP_HEAD_BUF]; + + sg_copy_to_buffer(sgl, sg_nents(sgl), buf, sizeof(buf)); + + return __get_gzip_head_size(buf); +} + +static int add_comp_head(struct scatterlist *dst, u8 req_type) +{ + int head_size = TO_HEAD_SIZE(req_type); + const u8 *head = TO_HEAD(req_type); + int ret; + + ret = sg_copy_from_buffer(dst, sg_nents(dst), head, head_size); + if (unlikely(ret != head_size)) { + pr_err("the head size of buffer is wrong (%d)!\n", ret); + return -ENOMEM; + } + + return head_size; +} + +static int get_comp_head_size(struct acomp_req *acomp_req, u8 req_type) +{ + if (unlikely(!acomp_req->src || !acomp_req->slen)) + return -EINVAL; + + if (unlikely(req_type == HZIP_ALG_TYPE_GZIP && + acomp_req->slen < GZIP_HEAD_FEXTRA_SHIFT)) + return -EINVAL; + + switch (req_type) { + case HZIP_ALG_TYPE_ZLIB: + return TO_HEAD_SIZE(HZIP_ALG_TYPE_ZLIB); + case HZIP_ALG_TYPE_GZIP: + return TO_HEAD_SIZE(HZIP_ALG_TYPE_GZIP); + default: + pr_err("request type does not support!\n"); + return -EINVAL; + } +} + +static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req, + struct hisi_zip_qp_ctx *qp_ctx, + size_t head_size, bool is_comp) +{ + struct hisi_zip_req_q *req_q = &qp_ctx->req_q; + struct hisi_zip_req *q = req_q->q; + struct hisi_zip_req *req_cache; + int req_id; + + write_lock(&req_q->req_lock); + + req_id = find_first_zero_bit(req_q->req_bitmap, req_q->size); + if (req_id >= req_q->size) { + write_unlock(&req_q->req_lock); + dev_dbg(&qp_ctx->qp->qm->pdev->dev, "req cache is full!\n"); + return ERR_PTR(-EAGAIN); + } + set_bit(req_id, req_q->req_bitmap); + + write_unlock(&req_q->req_lock); + + req_cache = q + req_id; + req_cache->req_id = req_id; + req_cache->req = req; + + if (is_comp) { + req_cache->sskip = 0; + req_cache->dskip = head_size; + } else { + req_cache->sskip = head_size; + req_cache->dskip = 0; + } + + return req_cache; +} + +static void hisi_zip_remove_req(struct hisi_zip_qp_ctx *qp_ctx, + struct hisi_zip_req *req) +{ + struct hisi_zip_req_q *req_q = &qp_ctx->req_q; + + write_lock(&req_q->req_lock); + clear_bit(req->req_id, req_q->req_bitmap); + write_unlock(&req_q->req_lock); +} + +static void hisi_zip_fill_addr(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req) +{ + sqe->source_addr_l = lower_32_bits(req->dma_src); + sqe->source_addr_h = upper_32_bits(req->dma_src); + sqe->dest_addr_l = lower_32_bits(req->dma_dst); + sqe->dest_addr_h = upper_32_bits(req->dma_dst); +} + +static void hisi_zip_fill_buf_size(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req) +{ + struct acomp_req *a_req = req->req; + + sqe->input_data_length = a_req->slen - req->sskip; + sqe->dest_avail_out = a_req->dlen - req->dskip; + sqe->dw7 = FIELD_PREP(HZIP_IN_SGE_DATA_OFFSET_M, req->sskip); + sqe->dw8 = FIELD_PREP(HZIP_OUT_SGE_DATA_OFFSET_M, req->dskip); +} + +static void hisi_zip_fill_buf_type(struct hisi_zip_sqe *sqe, u8 buf_type) +{ + u32 val; + + val = sqe->dw9 & ~HZIP_BUF_TYPE_M; + val |= FIELD_PREP(HZIP_BUF_TYPE_M, buf_type); + sqe->dw9 = val; +} + +static void hisi_zip_fill_req_type(struct hisi_zip_sqe *sqe, u8 req_type) +{ + u32 val; + + val = sqe->dw9 & ~HZIP_REQ_TYPE_M; + val |= FIELD_PREP(HZIP_REQ_TYPE_M, req_type); + sqe->dw9 = val; +} + +static void hisi_zip_fill_tag_v1(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req) +{ + sqe->dw13 = req->req_id; +} + +static void hisi_zip_fill_tag_v2(struct hisi_zip_sqe *sqe, struct hisi_zip_req *req) +{ + sqe->dw26 = req->req_id; +} + +static void hisi_zip_fill_sqe_type(struct hisi_zip_sqe *sqe, u8 sqe_type) +{ + u32 val; + + val = sqe->dw7 & ~HZIP_SQE_TYPE_M; + val |= FIELD_PREP(HZIP_SQE_TYPE_M, sqe_type); + sqe->dw7 = val; +} + +static void hisi_zip_fill_sqe(struct hisi_zip_ctx *ctx, struct hisi_zip_sqe *sqe, + u8 req_type, struct hisi_zip_req *req) +{ + const struct hisi_zip_sqe_ops *ops = ctx->ops; + + memset(sqe, 0, sizeof(struct hisi_zip_sqe)); + + ops->fill_addr(sqe, req); + ops->fill_buf_size(sqe, req); + ops->fill_buf_type(sqe, HZIP_SGL); + ops->fill_req_type(sqe, req_type); + ops->fill_tag(sqe, req); + ops->fill_sqe_type(sqe, ops->sqe_type); +} + +static int hisi_zip_do_work(struct hisi_zip_req *req, + struct hisi_zip_qp_ctx *qp_ctx) +{ + struct hisi_acc_sgl_pool *pool = qp_ctx->sgl_pool; + struct hisi_zip_dfx *dfx = &qp_ctx->zip_dev->dfx; + struct acomp_req *a_req = req->req; + struct hisi_qp *qp = qp_ctx->qp; + struct device *dev = &qp->qm->pdev->dev; + struct hisi_zip_sqe zip_sqe; + int ret; + + if (unlikely(!a_req->src || !a_req->slen || !a_req->dst || !a_req->dlen)) + return -EINVAL; + + req->hw_src = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->src, pool, + req->req_id << 1, &req->dma_src); + if (IS_ERR(req->hw_src)) { + dev_err(dev, "failed to map the src buffer to hw sgl (%ld)!\n", + PTR_ERR(req->hw_src)); + return PTR_ERR(req->hw_src); + } + + req->hw_dst = hisi_acc_sg_buf_map_to_hw_sgl(dev, a_req->dst, pool, + (req->req_id << 1) + 1, + &req->dma_dst); + if (IS_ERR(req->hw_dst)) { + ret = PTR_ERR(req->hw_dst); + dev_err(dev, "failed to map the dst buffer to hw slg (%d)!\n", + ret); + goto err_unmap_input; + } + + hisi_zip_fill_sqe(qp_ctx->ctx, &zip_sqe, qp->req_type, req); + + /* send command to start a task */ + atomic64_inc(&dfx->send_cnt); + ret = hisi_qp_send(qp, &zip_sqe); + if (unlikely(ret < 0)) { + atomic64_inc(&dfx->send_busy_cnt); + ret = -EAGAIN; + dev_dbg_ratelimited(dev, "failed to send request!\n"); + goto err_unmap_output; + } + + return -EINPROGRESS; + +err_unmap_output: + hisi_acc_sg_buf_unmap(dev, a_req->dst, req->hw_dst); +err_unmap_input: + hisi_acc_sg_buf_unmap(dev, a_req->src, req->hw_src); + return ret; +} + +static u32 hisi_zip_get_tag_v1(struct hisi_zip_sqe *sqe) +{ + return sqe->dw13; +} + +static u32 hisi_zip_get_tag_v2(struct hisi_zip_sqe *sqe) +{ + return sqe->dw26; +} + +static u32 hisi_zip_get_status(struct hisi_zip_sqe *sqe) +{ + return sqe->dw3 & HZIP_BD_STATUS_M; +} + +static u32 hisi_zip_get_dstlen(struct hisi_zip_sqe *sqe) +{ + return sqe->produced; +} + +static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data) +{ + struct hisi_zip_qp_ctx *qp_ctx = qp->qp_ctx; + const struct hisi_zip_sqe_ops *ops = qp_ctx->ctx->ops; + struct hisi_zip_dfx *dfx = &qp_ctx->zip_dev->dfx; + struct hisi_zip_req_q *req_q = &qp_ctx->req_q; + struct device *dev = &qp->qm->pdev->dev; + struct hisi_zip_sqe *sqe = data; + u32 tag = ops->get_tag(sqe); + struct hisi_zip_req *req = req_q->q + tag; + struct acomp_req *acomp_req = req->req; + u32 status, dlen, head_size; + int err = 0; + + atomic64_inc(&dfx->recv_cnt); + status = ops->get_status(sqe); + if (unlikely(status != 0 && status != HZIP_NC_ERR)) { + dev_err(dev, "%scompress fail in qp%u: %u, output: %u\n", + (qp->alg_type == 0) ? "" : "de", qp->qp_id, status, + sqe->produced); + atomic64_inc(&dfx->err_bd_cnt); + err = -EIO; + } + + dlen = ops->get_dstlen(sqe); + + hisi_acc_sg_buf_unmap(dev, acomp_req->src, req->hw_src); + hisi_acc_sg_buf_unmap(dev, acomp_req->dst, req->hw_dst); + + head_size = (qp->alg_type == 0) ? TO_HEAD_SIZE(qp->req_type) : 0; + acomp_req->dlen = dlen + head_size; + + if (acomp_req->base.complete) + acomp_request_complete(acomp_req, err); + + hisi_zip_remove_req(qp_ctx, req); +} + +static int hisi_zip_acompress(struct acomp_req *acomp_req) +{ + struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm); + struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[HZIP_QPC_COMP]; + struct device *dev = &qp_ctx->qp->qm->pdev->dev; + struct hisi_zip_req *req; + int head_size; + int ret; + + /* let's output compression head now */ + head_size = add_comp_head(acomp_req->dst, qp_ctx->qp->req_type); + if (unlikely(head_size < 0)) { + dev_err_ratelimited(dev, "failed to add comp head (%d)!\n", + head_size); + return head_size; + } + + req = hisi_zip_create_req(acomp_req, qp_ctx, head_size, true); + if (IS_ERR(req)) + return PTR_ERR(req); + + ret = hisi_zip_do_work(req, qp_ctx); + if (unlikely(ret != -EINPROGRESS)) { + dev_info_ratelimited(dev, "failed to do compress (%d)!\n", ret); + hisi_zip_remove_req(qp_ctx, req); + } + + return ret; +} + +static int hisi_zip_adecompress(struct acomp_req *acomp_req) +{ + struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm); + struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[HZIP_QPC_DECOMP]; + struct device *dev = &qp_ctx->qp->qm->pdev->dev; + struct hisi_zip_req *req; + int head_size, ret; + + head_size = get_comp_head_size(acomp_req, qp_ctx->qp->req_type); + if (unlikely(head_size < 0)) { + dev_err_ratelimited(dev, "failed to get comp head size (%d)!\n", + head_size); + return head_size; + } + + req = hisi_zip_create_req(acomp_req, qp_ctx, head_size, false); + if (IS_ERR(req)) + return PTR_ERR(req); + + ret = hisi_zip_do_work(req, qp_ctx); + if (unlikely(ret != -EINPROGRESS)) { + dev_info_ratelimited(dev, "failed to do decompress (%d)!\n", + ret); + hisi_zip_remove_req(qp_ctx, req); + } + + return ret; +} + +static int hisi_zip_start_qp(struct hisi_qp *qp, struct hisi_zip_qp_ctx *qp_ctx, + int alg_type, int req_type) +{ + struct device *dev = &qp->qm->pdev->dev; + int ret; + + qp->req_type = req_type; + qp->alg_type = alg_type; + qp->qp_ctx = qp_ctx; + + ret = hisi_qm_start_qp(qp, 0); + if (ret < 0) { + dev_err(dev, "failed to start qp (%d)!\n", ret); + return ret; + } + + qp_ctx->qp = qp; + + return 0; +} + +static void hisi_zip_release_qp(struct hisi_zip_qp_ctx *qp_ctx) +{ + hisi_qm_stop_qp(qp_ctx->qp); + hisi_qm_free_qps(&qp_ctx->qp, 1); +} + +static const struct hisi_zip_sqe_ops hisi_zip_ops_v1 = { + .sqe_type = 0, + .fill_addr = hisi_zip_fill_addr, + .fill_buf_size = hisi_zip_fill_buf_size, + .fill_buf_type = hisi_zip_fill_buf_type, + .fill_req_type = hisi_zip_fill_req_type, + .fill_tag = hisi_zip_fill_tag_v1, + .fill_sqe_type = hisi_zip_fill_sqe_type, + .get_tag = hisi_zip_get_tag_v1, + .get_status = hisi_zip_get_status, + .get_dstlen = hisi_zip_get_dstlen, +}; + +static const struct hisi_zip_sqe_ops hisi_zip_ops_v2 = { + .sqe_type = 0x3, + .fill_addr = hisi_zip_fill_addr, + .fill_buf_size = hisi_zip_fill_buf_size, + .fill_buf_type = hisi_zip_fill_buf_type, + .fill_req_type = hisi_zip_fill_req_type, + .fill_tag = hisi_zip_fill_tag_v2, + .fill_sqe_type = hisi_zip_fill_sqe_type, + .get_tag = hisi_zip_get_tag_v2, + .get_status = hisi_zip_get_status, + .get_dstlen = hisi_zip_get_dstlen, +}; + +static int hisi_zip_ctx_init(struct hisi_zip_ctx *hisi_zip_ctx, u8 req_type, int node) +{ + struct hisi_qp *qps[HZIP_CTX_Q_NUM] = { NULL }; + struct hisi_zip_qp_ctx *qp_ctx; + struct hisi_zip *hisi_zip; + int ret, i, j; + + ret = zip_create_qps(qps, HZIP_CTX_Q_NUM, node); + if (ret) { + pr_err("failed to create zip qps (%d)!\n", ret); + return -ENODEV; + } + + hisi_zip = container_of(qps[0]->qm, struct hisi_zip, qm); + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) { + /* alg_type = 0 for compress, 1 for decompress in hw sqe */ + qp_ctx = &hisi_zip_ctx->qp_ctx[i]; + qp_ctx->ctx = hisi_zip_ctx; + ret = hisi_zip_start_qp(qps[i], qp_ctx, i, req_type); + if (ret) { + for (j = i - 1; j >= 0; j--) + hisi_qm_stop_qp(hisi_zip_ctx->qp_ctx[j].qp); + + hisi_qm_free_qps(qps, HZIP_CTX_Q_NUM); + return ret; + } + + qp_ctx->zip_dev = hisi_zip; + } + + if (hisi_zip->qm.ver < QM_HW_V3) + hisi_zip_ctx->ops = &hisi_zip_ops_v1; + else + hisi_zip_ctx->ops = &hisi_zip_ops_v2; + + return 0; +} + +static void hisi_zip_ctx_exit(struct hisi_zip_ctx *hisi_zip_ctx) +{ + int i; + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) + hisi_zip_release_qp(&hisi_zip_ctx->qp_ctx[i]); +} + +static int hisi_zip_create_req_q(struct hisi_zip_ctx *ctx) +{ + u16 q_depth = ctx->qp_ctx[0].qp->sq_depth; + struct hisi_zip_req_q *req_q; + int i, ret; + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) { + req_q = &ctx->qp_ctx[i].req_q; + req_q->size = q_depth; + + req_q->req_bitmap = bitmap_zalloc(req_q->size, GFP_KERNEL); + if (!req_q->req_bitmap) { + ret = -ENOMEM; + if (i == 0) + return ret; + + goto err_free_comp_q; + } + rwlock_init(&req_q->req_lock); + + req_q->q = kcalloc(req_q->size, sizeof(struct hisi_zip_req), + GFP_KERNEL); + if (!req_q->q) { + ret = -ENOMEM; + if (i == 0) + goto err_free_comp_bitmap; + else + goto err_free_decomp_bitmap; + } + } + + return 0; + +err_free_decomp_bitmap: + bitmap_free(ctx->qp_ctx[HZIP_QPC_DECOMP].req_q.req_bitmap); +err_free_comp_q: + kfree(ctx->qp_ctx[HZIP_QPC_COMP].req_q.q); +err_free_comp_bitmap: + bitmap_free(ctx->qp_ctx[HZIP_QPC_COMP].req_q.req_bitmap); + return ret; +} + +static void hisi_zip_release_req_q(struct hisi_zip_ctx *ctx) +{ + int i; + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) { + kfree(ctx->qp_ctx[i].req_q.q); + bitmap_free(ctx->qp_ctx[i].req_q.req_bitmap); + } +} + +static int hisi_zip_create_sgl_pool(struct hisi_zip_ctx *ctx) +{ + u16 q_depth = ctx->qp_ctx[0].qp->sq_depth; + struct hisi_zip_qp_ctx *tmp; + struct device *dev; + int i; + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) { + tmp = &ctx->qp_ctx[i]; + dev = &tmp->qp->qm->pdev->dev; + tmp->sgl_pool = hisi_acc_create_sgl_pool(dev, q_depth << 1, + sgl_sge_nr); + if (IS_ERR(tmp->sgl_pool)) { + if (i == 1) + goto err_free_sgl_pool0; + return -ENOMEM; + } + } + + return 0; + +err_free_sgl_pool0: + hisi_acc_free_sgl_pool(&ctx->qp_ctx[HZIP_QPC_COMP].qp->qm->pdev->dev, + ctx->qp_ctx[HZIP_QPC_COMP].sgl_pool); + return -ENOMEM; +} + +static void hisi_zip_release_sgl_pool(struct hisi_zip_ctx *ctx) +{ + int i; + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) + hisi_acc_free_sgl_pool(&ctx->qp_ctx[i].qp->qm->pdev->dev, + ctx->qp_ctx[i].sgl_pool); +} + +static void hisi_zip_set_acomp_cb(struct hisi_zip_ctx *ctx, + void (*fn)(struct hisi_qp *, void *)) +{ + int i; + + for (i = 0; i < HZIP_CTX_Q_NUM; i++) + ctx->qp_ctx[i].qp->req_cb = fn; +} + +static int hisi_zip_acomp_init(struct crypto_acomp *tfm) +{ + const char *alg_name = crypto_tfm_alg_name(&tfm->base); + struct hisi_zip_ctx *ctx = crypto_tfm_ctx(&tfm->base); + struct device *dev; + int ret; + + ret = hisi_zip_ctx_init(ctx, COMP_NAME_TO_TYPE(alg_name), tfm->base.node); + if (ret) { + pr_err("failed to init ctx (%d)!\n", ret); + return ret; + } + + dev = &ctx->qp_ctx[0].qp->qm->pdev->dev; + + ret = hisi_zip_create_req_q(ctx); + if (ret) { + dev_err(dev, "failed to create request queue (%d)!\n", ret); + goto err_ctx_exit; + } + + ret = hisi_zip_create_sgl_pool(ctx); + if (ret) { + dev_err(dev, "failed to create sgl pool (%d)!\n", ret); + goto err_release_req_q; + } + + hisi_zip_set_acomp_cb(ctx, hisi_zip_acomp_cb); + + return 0; + +err_release_req_q: + hisi_zip_release_req_q(ctx); +err_ctx_exit: + hisi_zip_ctx_exit(ctx); + return ret; +} + +static void hisi_zip_acomp_exit(struct crypto_acomp *tfm) +{ + struct hisi_zip_ctx *ctx = crypto_tfm_ctx(&tfm->base); + + hisi_zip_set_acomp_cb(ctx, NULL); + hisi_zip_release_sgl_pool(ctx); + hisi_zip_release_req_q(ctx); + hisi_zip_ctx_exit(ctx); +} + +static struct acomp_alg hisi_zip_acomp_zlib = { + .init = hisi_zip_acomp_init, + .exit = hisi_zip_acomp_exit, + .compress = hisi_zip_acompress, + .decompress = hisi_zip_adecompress, + .base = { + .cra_name = "zlib-deflate", + .cra_driver_name = "hisi-zlib-acomp", + .cra_module = THIS_MODULE, + .cra_priority = HZIP_ALG_PRIORITY, + .cra_ctxsize = sizeof(struct hisi_zip_ctx), + } +}; + +static int hisi_zip_register_zlib(struct hisi_qm *qm) +{ + int ret; + + if (!hisi_zip_alg_support(qm, HZIP_ALG_ZLIB)) + return 0; + + ret = crypto_register_acomp(&hisi_zip_acomp_zlib); + if (ret) + dev_err(&qm->pdev->dev, "failed to register to zlib (%d)!\n", ret); + + return ret; +} + +static void hisi_zip_unregister_zlib(struct hisi_qm *qm) +{ + if (!hisi_zip_alg_support(qm, HZIP_ALG_ZLIB)) + return; + + crypto_unregister_acomp(&hisi_zip_acomp_zlib); +} + +static struct acomp_alg hisi_zip_acomp_gzip = { + .init = hisi_zip_acomp_init, + .exit = hisi_zip_acomp_exit, + .compress = hisi_zip_acompress, + .decompress = hisi_zip_adecompress, + .base = { + .cra_name = "gzip", + .cra_driver_name = "hisi-gzip-acomp", + .cra_module = THIS_MODULE, + .cra_priority = HZIP_ALG_PRIORITY, + .cra_ctxsize = sizeof(struct hisi_zip_ctx), + } +}; + +static int hisi_zip_register_gzip(struct hisi_qm *qm) +{ + int ret; + + if (!hisi_zip_alg_support(qm, HZIP_ALG_GZIP)) + return 0; + + ret = crypto_register_acomp(&hisi_zip_acomp_gzip); + if (ret) + dev_err(&qm->pdev->dev, "failed to register to gzip (%d)!\n", ret); + + return ret; +} + +static void hisi_zip_unregister_gzip(struct hisi_qm *qm) +{ + if (!hisi_zip_alg_support(qm, HZIP_ALG_GZIP)) + return; + + crypto_unregister_acomp(&hisi_zip_acomp_gzip); +} + +int hisi_zip_register_to_crypto(struct hisi_qm *qm) +{ + int ret = 0; + + ret = hisi_zip_register_zlib(qm); + if (ret) + return ret; + + ret = hisi_zip_register_gzip(qm); + if (ret) + hisi_zip_unregister_zlib(qm); + + return ret; +} + +void hisi_zip_unregister_from_crypto(struct hisi_qm *qm) +{ + hisi_zip_unregister_zlib(qm); + hisi_zip_unregister_gzip(qm); +} diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c new file mode 100644 index 0000000000..cd7ecb2180 --- /dev/null +++ b/drivers/crypto/hisilicon/zip/zip_main.c @@ -0,0 +1,1441 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019 HiSilicon Limited. */ +#include <linux/acpi.h> +#include <linux/bitops.h> +#include <linux/debugfs.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/pm_runtime.h> +#include <linux/seq_file.h> +#include <linux/topology.h> +#include <linux/uacce.h> +#include "zip.h" + +#define PCI_DEVICE_ID_HUAWEI_ZIP_PF 0xa250 + +#define HZIP_QUEUE_NUM_V1 4096 + +#define HZIP_CLOCK_GATE_CTRL 0x301004 +#define HZIP_DECOMP_CHECK_ENABLE BIT(16) +#define HZIP_FSM_MAX_CNT 0x301008 + +#define HZIP_PORT_ARCA_CHE_0 0x301040 +#define HZIP_PORT_ARCA_CHE_1 0x301044 +#define HZIP_PORT_AWCA_CHE_0 0x301060 +#define HZIP_PORT_AWCA_CHE_1 0x301064 +#define HZIP_CACHE_ALL_EN 0xffffffff + +#define HZIP_BD_RUSER_32_63 0x301110 +#define HZIP_SGL_RUSER_32_63 0x30111c +#define HZIP_DATA_RUSER_32_63 0x301128 +#define HZIP_DATA_WUSER_32_63 0x301134 +#define HZIP_BD_WUSER_32_63 0x301140 + +#define HZIP_QM_IDEL_STATUS 0x3040e4 + +#define HZIP_CORE_DFX_BASE 0x301000 +#define HZIP_CLOCK_GATED_CONTL 0X301004 +#define HZIP_CORE_DFX_COMP_0 0x302000 +#define HZIP_CORE_DFX_COMP_1 0x303000 +#define HZIP_CORE_DFX_DECOMP_0 0x304000 +#define HZIP_CORE_DFX_DECOMP_1 0x305000 +#define HZIP_CORE_DFX_DECOMP_2 0x306000 +#define HZIP_CORE_DFX_DECOMP_3 0x307000 +#define HZIP_CORE_DFX_DECOMP_4 0x308000 +#define HZIP_CORE_DFX_DECOMP_5 0x309000 +#define HZIP_CORE_REGS_BASE_LEN 0xB0 +#define HZIP_CORE_REGS_DFX_LEN 0x28 + +#define HZIP_CORE_INT_SOURCE 0x3010A0 +#define HZIP_CORE_INT_MASK_REG 0x3010A4 +#define HZIP_CORE_INT_SET 0x3010A8 +#define HZIP_CORE_INT_STATUS 0x3010AC +#define HZIP_CORE_INT_STATUS_M_ECC BIT(1) +#define HZIP_CORE_SRAM_ECC_ERR_INFO 0x301148 +#define HZIP_CORE_INT_RAS_CE_ENB 0x301160 +#define HZIP_CORE_INT_RAS_NFE_ENB 0x301164 +#define HZIP_CORE_INT_RAS_FE_ENB 0x301168 +#define HZIP_CORE_INT_RAS_FE_ENB_MASK 0x0 +#define HZIP_OOO_SHUTDOWN_SEL 0x30120C +#define HZIP_SRAM_ECC_ERR_NUM_SHIFT 16 +#define HZIP_SRAM_ECC_ERR_ADDR_SHIFT 24 +#define HZIP_CORE_INT_MASK_ALL GENMASK(12, 0) +#define HZIP_SQE_SIZE 128 +#define HZIP_PF_DEF_Q_NUM 64 +#define HZIP_PF_DEF_Q_BASE 0 + +#define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000 +#define HZIP_SOFT_CTRL_CNT_CLR_CE_BIT BIT(0) +#define HZIP_SOFT_CTRL_ZIP_CONTROL 0x30100C +#define HZIP_AXI_SHUTDOWN_ENABLE BIT(14) +#define HZIP_WR_PORT BIT(11) + +#define HZIP_ALG_ZLIB_BIT GENMASK(1, 0) +#define HZIP_ALG_GZIP_BIT GENMASK(3, 2) +#define HZIP_ALG_DEFLATE_BIT GENMASK(5, 4) +#define HZIP_ALG_LZ77_BIT GENMASK(7, 6) + +#define HZIP_BUF_SIZE 22 +#define HZIP_SQE_MASK_OFFSET 64 +#define HZIP_SQE_MASK_LEN 48 + +#define HZIP_CNT_CLR_CE_EN BIT(0) +#define HZIP_RO_CNT_CLR_CE_EN BIT(2) +#define HZIP_RD_CNT_CLR_CE_EN (HZIP_CNT_CLR_CE_EN | \ + HZIP_RO_CNT_CLR_CE_EN) + +#define HZIP_PREFETCH_CFG 0x3011B0 +#define HZIP_SVA_TRANS 0x3011C4 +#define HZIP_PREFETCH_ENABLE (~(BIT(26) | BIT(17) | BIT(0))) +#define HZIP_SVA_PREFETCH_DISABLE BIT(26) +#define HZIP_SVA_DISABLE_READY (BIT(26) | BIT(30)) +#define HZIP_SHAPER_RATE_COMPRESS 750 +#define HZIP_SHAPER_RATE_DECOMPRESS 140 +#define HZIP_DELAY_1_US 1 +#define HZIP_POLL_TIMEOUT_US 1000 + +/* clock gating */ +#define HZIP_PEH_CFG_AUTO_GATE 0x3011A8 +#define HZIP_PEH_CFG_AUTO_GATE_EN BIT(0) +#define HZIP_CORE_GATED_EN GENMASK(15, 8) +#define HZIP_CORE_GATED_OOO_EN BIT(29) +#define HZIP_CLOCK_GATED_EN (HZIP_CORE_GATED_EN | \ + HZIP_CORE_GATED_OOO_EN) + +/* zip comp high performance */ +#define HZIP_HIGH_PERF_OFFSET 0x301208 + +enum { + HZIP_HIGH_COMP_RATE, + HZIP_HIGH_COMP_PERF, +}; + +static const char hisi_zip_name[] = "hisi_zip"; +static struct dentry *hzip_debugfs_root; + +struct hisi_zip_hw_error { + u32 int_msk; + const char *msg; +}; + +struct zip_dfx_item { + const char *name; + u32 offset; +}; + +static const struct qm_dev_alg zip_dev_algs[] = { { + .alg_msk = HZIP_ALG_ZLIB_BIT, + .alg = "zlib\n", + }, { + .alg_msk = HZIP_ALG_GZIP_BIT, + .alg = "gzip\n", + }, { + .alg_msk = HZIP_ALG_DEFLATE_BIT, + .alg = "deflate\n", + }, { + .alg_msk = HZIP_ALG_LZ77_BIT, + .alg = "lz77_zstd\n", + }, +}; + +static struct hisi_qm_list zip_devices = { + .register_to_crypto = hisi_zip_register_to_crypto, + .unregister_from_crypto = hisi_zip_unregister_from_crypto, +}; + +static struct zip_dfx_item zip_dfx_files[] = { + {"send_cnt", offsetof(struct hisi_zip_dfx, send_cnt)}, + {"recv_cnt", offsetof(struct hisi_zip_dfx, recv_cnt)}, + {"send_busy_cnt", offsetof(struct hisi_zip_dfx, send_busy_cnt)}, + {"err_bd_cnt", offsetof(struct hisi_zip_dfx, err_bd_cnt)}, +}; + +static const struct hisi_zip_hw_error zip_hw_error[] = { + { .int_msk = BIT(0), .msg = "zip_ecc_1bitt_err" }, + { .int_msk = BIT(1), .msg = "zip_ecc_2bit_err" }, + { .int_msk = BIT(2), .msg = "zip_axi_rresp_err" }, + { .int_msk = BIT(3), .msg = "zip_axi_bresp_err" }, + { .int_msk = BIT(4), .msg = "zip_src_addr_parse_err" }, + { .int_msk = BIT(5), .msg = "zip_dst_addr_parse_err" }, + { .int_msk = BIT(6), .msg = "zip_pre_in_addr_err" }, + { .int_msk = BIT(7), .msg = "zip_pre_in_data_err" }, + { .int_msk = BIT(8), .msg = "zip_com_inf_err" }, + { .int_msk = BIT(9), .msg = "zip_enc_inf_err" }, + { .int_msk = BIT(10), .msg = "zip_pre_out_err" }, + { .int_msk = BIT(11), .msg = "zip_axi_poison_err" }, + { .int_msk = BIT(12), .msg = "zip_sva_err" }, + { /* sentinel */ } +}; + +enum ctrl_debug_file_index { + HZIP_CLEAR_ENABLE, + HZIP_DEBUG_FILE_NUM, +}; + +static const char * const ctrl_debug_file_name[] = { + [HZIP_CLEAR_ENABLE] = "clear_enable", +}; + +struct ctrl_debug_file { + enum ctrl_debug_file_index index; + spinlock_t lock; + struct hisi_zip_ctrl *ctrl; +}; + +/* + * One ZIP controller has one PF and multiple VFs, some global configurations + * which PF has need this structure. + * + * Just relevant for PF. + */ +struct hisi_zip_ctrl { + struct hisi_zip *hisi_zip; + struct ctrl_debug_file files[HZIP_DEBUG_FILE_NUM]; +}; + +enum zip_cap_type { + ZIP_QM_NFE_MASK_CAP = 0x0, + ZIP_QM_RESET_MASK_CAP, + ZIP_QM_OOO_SHUTDOWN_MASK_CAP, + ZIP_QM_CE_MASK_CAP, + ZIP_NFE_MASK_CAP, + ZIP_RESET_MASK_CAP, + ZIP_OOO_SHUTDOWN_MASK_CAP, + ZIP_CE_MASK_CAP, + ZIP_CLUSTER_NUM_CAP, + ZIP_CORE_TYPE_NUM_CAP, + ZIP_CORE_NUM_CAP, + ZIP_CLUSTER_COMP_NUM_CAP, + ZIP_CLUSTER_DECOMP_NUM_CAP, + ZIP_DECOMP_ENABLE_BITMAP, + ZIP_COMP_ENABLE_BITMAP, + ZIP_DRV_ALG_BITMAP, + ZIP_DEV_ALG_BITMAP, + ZIP_CORE1_ALG_BITMAP, + ZIP_CORE2_ALG_BITMAP, + ZIP_CORE3_ALG_BITMAP, + ZIP_CORE4_ALG_BITMAP, + ZIP_CORE5_ALG_BITMAP, + ZIP_CAP_MAX +}; + +static struct hisi_qm_cap_info zip_basic_cap_info[] = { + {ZIP_QM_NFE_MASK_CAP, 0x3124, 0, GENMASK(31, 0), 0x0, 0x1C57, 0x7C77}, + {ZIP_QM_RESET_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0xC57, 0x6C77}, + {ZIP_QM_OOO_SHUTDOWN_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0x4, 0x6C77}, + {ZIP_QM_CE_MASK_CAP, 0x312C, 0, GENMASK(31, 0), 0x0, 0x8, 0x8}, + {ZIP_NFE_MASK_CAP, 0x3130, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x1FFE}, + {ZIP_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x7FE}, + {ZIP_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x2, 0x7FE}, + {ZIP_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x1, 0x1}, + {ZIP_CLUSTER_NUM_CAP, 0x313C, 28, GENMASK(3, 0), 0x1, 0x1, 0x1}, + {ZIP_CORE_TYPE_NUM_CAP, 0x313C, 24, GENMASK(3, 0), 0x2, 0x2, 0x2}, + {ZIP_CORE_NUM_CAP, 0x313C, 16, GENMASK(7, 0), 0x8, 0x8, 0x5}, + {ZIP_CLUSTER_COMP_NUM_CAP, 0x313C, 8, GENMASK(7, 0), 0x2, 0x2, 0x2}, + {ZIP_CLUSTER_DECOMP_NUM_CAP, 0x313C, 0, GENMASK(7, 0), 0x6, 0x6, 0x3}, + {ZIP_DECOMP_ENABLE_BITMAP, 0x3140, 16, GENMASK(15, 0), 0xFC, 0xFC, 0x1C}, + {ZIP_COMP_ENABLE_BITMAP, 0x3140, 0, GENMASK(15, 0), 0x3, 0x3, 0x3}, + {ZIP_DRV_ALG_BITMAP, 0x3144, 0, GENMASK(31, 0), 0xF, 0xF, 0xF}, + {ZIP_DEV_ALG_BITMAP, 0x3148, 0, GENMASK(31, 0), 0xF, 0xF, 0xFF}, + {ZIP_CORE1_ALG_BITMAP, 0x314C, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5}, + {ZIP_CORE2_ALG_BITMAP, 0x3150, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5}, + {ZIP_CORE3_ALG_BITMAP, 0x3154, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, + {ZIP_CORE4_ALG_BITMAP, 0x3158, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, + {ZIP_CORE5_ALG_BITMAP, 0x315C, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, + {ZIP_CAP_MAX, 0x317c, 0, GENMASK(0, 0), 0x0, 0x0, 0x0} +}; + +enum zip_pre_store_cap_idx { + ZIP_CORE_NUM_CAP_IDX = 0x0, + ZIP_CLUSTER_COMP_NUM_CAP_IDX, + ZIP_CLUSTER_DECOMP_NUM_CAP_IDX, + ZIP_DECOMP_ENABLE_BITMAP_IDX, + ZIP_COMP_ENABLE_BITMAP_IDX, + ZIP_DRV_ALG_BITMAP_IDX, + ZIP_DEV_ALG_BITMAP_IDX, +}; + +static const u32 zip_pre_store_caps[] = { + ZIP_CORE_NUM_CAP, + ZIP_CLUSTER_COMP_NUM_CAP, + ZIP_CLUSTER_DECOMP_NUM_CAP, + ZIP_DECOMP_ENABLE_BITMAP, + ZIP_COMP_ENABLE_BITMAP, + ZIP_DRV_ALG_BITMAP, + ZIP_DEV_ALG_BITMAP, +}; + +enum { + HZIP_COMP_CORE0, + HZIP_COMP_CORE1, + HZIP_DECOMP_CORE0, + HZIP_DECOMP_CORE1, + HZIP_DECOMP_CORE2, + HZIP_DECOMP_CORE3, + HZIP_DECOMP_CORE4, + HZIP_DECOMP_CORE5, +}; + +static const u64 core_offsets[] = { + [HZIP_COMP_CORE0] = 0x302000, + [HZIP_COMP_CORE1] = 0x303000, + [HZIP_DECOMP_CORE0] = 0x304000, + [HZIP_DECOMP_CORE1] = 0x305000, + [HZIP_DECOMP_CORE2] = 0x306000, + [HZIP_DECOMP_CORE3] = 0x307000, + [HZIP_DECOMP_CORE4] = 0x308000, + [HZIP_DECOMP_CORE5] = 0x309000, +}; + +static const struct debugfs_reg32 hzip_dfx_regs[] = { + {"HZIP_GET_BD_NUM ", 0x00ull}, + {"HZIP_GET_RIGHT_BD ", 0x04ull}, + {"HZIP_GET_ERROR_BD ", 0x08ull}, + {"HZIP_DONE_BD_NUM ", 0x0cull}, + {"HZIP_WORK_CYCLE ", 0x10ull}, + {"HZIP_IDLE_CYCLE ", 0x18ull}, + {"HZIP_MAX_DELAY ", 0x20ull}, + {"HZIP_MIN_DELAY ", 0x24ull}, + {"HZIP_AVG_DELAY ", 0x28ull}, + {"HZIP_MEM_VISIBLE_DATA ", 0x30ull}, + {"HZIP_MEM_VISIBLE_ADDR ", 0x34ull}, + {"HZIP_CONSUMED_BYTE ", 0x38ull}, + {"HZIP_PRODUCED_BYTE ", 0x40ull}, + {"HZIP_COMP_INF ", 0x70ull}, + {"HZIP_PRE_OUT ", 0x78ull}, + {"HZIP_BD_RD ", 0x7cull}, + {"HZIP_BD_WR ", 0x80ull}, + {"HZIP_GET_BD_AXI_ERR_NUM ", 0x84ull}, + {"HZIP_GET_BD_PARSE_ERR_NUM ", 0x88ull}, + {"HZIP_ADD_BD_AXI_ERR_NUM ", 0x8cull}, + {"HZIP_DECOMP_STF_RELOAD_CURR_ST ", 0x94ull}, + {"HZIP_DECOMP_LZ77_CURR_ST ", 0x9cull}, +}; + +static const struct debugfs_reg32 hzip_com_dfx_regs[] = { + {"HZIP_CLOCK_GATE_CTRL ", 0x301004}, + {"HZIP_CORE_INT_RAS_CE_ENB ", 0x301160}, + {"HZIP_CORE_INT_RAS_NFE_ENB ", 0x301164}, + {"HZIP_CORE_INT_RAS_FE_ENB ", 0x301168}, + {"HZIP_UNCOM_ERR_RAS_CTRL ", 0x30116C}, +}; + +static const struct debugfs_reg32 hzip_dump_dfx_regs[] = { + {"HZIP_GET_BD_NUM ", 0x00ull}, + {"HZIP_GET_RIGHT_BD ", 0x04ull}, + {"HZIP_GET_ERROR_BD ", 0x08ull}, + {"HZIP_DONE_BD_NUM ", 0x0cull}, + {"HZIP_MAX_DELAY ", 0x20ull}, +}; + +/* define the ZIP's dfx regs region and region length */ +static struct dfx_diff_registers hzip_diff_regs[] = { + { + .reg_offset = HZIP_CORE_DFX_BASE, + .reg_len = HZIP_CORE_REGS_BASE_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_COMP_0, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_COMP_1, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_DECOMP_0, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_DECOMP_1, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_DECOMP_2, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_DECOMP_3, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_DECOMP_4, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, { + .reg_offset = HZIP_CORE_DFX_DECOMP_5, + .reg_len = HZIP_CORE_REGS_DFX_LEN, + }, +}; + +static int hzip_diff_regs_show(struct seq_file *s, void *unused) +{ + struct hisi_qm *qm = s->private; + + hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.acc_diff_regs, + ARRAY_SIZE(hzip_diff_regs)); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(hzip_diff_regs); + +static int perf_mode_set(const char *val, const struct kernel_param *kp) +{ + int ret; + u32 n; + + if (!val) + return -EINVAL; + + ret = kstrtou32(val, 10, &n); + if (ret != 0 || (n != HZIP_HIGH_COMP_PERF && + n != HZIP_HIGH_COMP_RATE)) + return -EINVAL; + + return param_set_int(val, kp); +} + +static const struct kernel_param_ops zip_com_perf_ops = { + .set = perf_mode_set, + .get = param_get_int, +}; + +/* + * perf_mode = 0 means enable high compression rate mode, + * perf_mode = 1 means enable high compression performance mode. + * These two modes only apply to the compression direction. + */ +static u32 perf_mode = HZIP_HIGH_COMP_RATE; +module_param_cb(perf_mode, &zip_com_perf_ops, &perf_mode, 0444); +MODULE_PARM_DESC(perf_mode, "ZIP high perf mode 0(default), 1(enable)"); + +static const struct kernel_param_ops zip_uacce_mode_ops = { + .set = uacce_mode_set, + .get = param_get_int, +}; + +/* + * uacce_mode = 0 means zip only register to crypto, + * uacce_mode = 1 means zip both register to crypto and uacce. + */ +static u32 uacce_mode = UACCE_MODE_NOUACCE; +module_param_cb(uacce_mode, &zip_uacce_mode_ops, &uacce_mode, 0444); +MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC); + +static bool pf_q_num_flag; +static int pf_q_num_set(const char *val, const struct kernel_param *kp) +{ + pf_q_num_flag = true; + + return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_ZIP_PF); +} + +static const struct kernel_param_ops pf_q_num_ops = { + .set = pf_q_num_set, + .get = param_get_int, +}; + +static u32 pf_q_num = HZIP_PF_DEF_Q_NUM; +module_param_cb(pf_q_num, &pf_q_num_ops, &pf_q_num, 0444); +MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 2-4096, v2 2-1024)"); + +static const struct kernel_param_ops vfs_num_ops = { + .set = vfs_num_set, + .get = param_get_int, +}; + +static u32 vfs_num; +module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444); +MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)"); + +static const struct pci_device_id hisi_zip_dev_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_PF) }, + { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_VF) }, + { 0, } +}; +MODULE_DEVICE_TABLE(pci, hisi_zip_dev_ids); + +int zip_create_qps(struct hisi_qp **qps, int qp_num, int node) +{ + if (node == NUMA_NO_NODE) + node = cpu_to_node(smp_processor_id()); + + return hisi_qm_alloc_qps_node(&zip_devices, qp_num, 0, node, qps); +} + +bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg) +{ + u32 cap_val; + + cap_val = qm->cap_tables.dev_cap_table[ZIP_DRV_ALG_BITMAP_IDX].cap_val; + if ((alg & cap_val) == alg) + return true; + + return false; +} + +static int hisi_zip_set_high_perf(struct hisi_qm *qm) +{ + u32 val; + int ret; + + val = readl_relaxed(qm->io_base + HZIP_HIGH_PERF_OFFSET); + if (perf_mode == HZIP_HIGH_COMP_PERF) + val |= HZIP_HIGH_COMP_PERF; + else + val &= ~HZIP_HIGH_COMP_PERF; + + /* Set perf mode */ + writel(val, qm->io_base + HZIP_HIGH_PERF_OFFSET); + ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_HIGH_PERF_OFFSET, + val, val == perf_mode, HZIP_DELAY_1_US, + HZIP_POLL_TIMEOUT_US); + if (ret) + pci_err(qm->pdev, "failed to set perf mode\n"); + + return ret; +} + +static void hisi_zip_open_sva_prefetch(struct hisi_qm *qm) +{ + u32 val; + int ret; + + if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) + return; + + /* Enable prefetch */ + val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG); + val &= HZIP_PREFETCH_ENABLE; + writel(val, qm->io_base + HZIP_PREFETCH_CFG); + + ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_PREFETCH_CFG, + val, !(val & HZIP_SVA_PREFETCH_DISABLE), + HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US); + if (ret) + pci_err(qm->pdev, "failed to open sva prefetch\n"); +} + +static void hisi_zip_close_sva_prefetch(struct hisi_qm *qm) +{ + u32 val; + int ret; + + if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) + return; + + val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG); + val |= HZIP_SVA_PREFETCH_DISABLE; + writel(val, qm->io_base + HZIP_PREFETCH_CFG); + + ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_SVA_TRANS, + val, !(val & HZIP_SVA_DISABLE_READY), + HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US); + if (ret) + pci_err(qm->pdev, "failed to close sva prefetch\n"); +} + +static void hisi_zip_enable_clock_gate(struct hisi_qm *qm) +{ + u32 val; + + if (qm->ver < QM_HW_V3) + return; + + val = readl(qm->io_base + HZIP_CLOCK_GATE_CTRL); + val |= HZIP_CLOCK_GATED_EN; + writel(val, qm->io_base + HZIP_CLOCK_GATE_CTRL); + + val = readl(qm->io_base + HZIP_PEH_CFG_AUTO_GATE); + val |= HZIP_PEH_CFG_AUTO_GATE_EN; + writel(val, qm->io_base + HZIP_PEH_CFG_AUTO_GATE); +} + +static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm) +{ + void __iomem *base = qm->io_base; + u32 dcomp_bm, comp_bm; + + /* qm user domain */ + writel(AXUSER_BASE, base + QM_ARUSER_M_CFG_1); + writel(ARUSER_M_CFG_ENABLE, base + QM_ARUSER_M_CFG_ENABLE); + writel(AXUSER_BASE, base + QM_AWUSER_M_CFG_1); + writel(AWUSER_M_CFG_ENABLE, base + QM_AWUSER_M_CFG_ENABLE); + writel(WUSER_M_CFG_ENABLE, base + QM_WUSER_M_CFG_ENABLE); + + /* qm cache */ + writel(AXI_M_CFG, base + QM_AXI_M_CFG); + writel(AXI_M_CFG_ENABLE, base + QM_AXI_M_CFG_ENABLE); + + /* disable FLR triggered by BME(bus master enable) */ + writel(PEH_AXUSER_CFG, base + QM_PEH_AXUSER_CFG); + writel(PEH_AXUSER_CFG_ENABLE, base + QM_PEH_AXUSER_CFG_ENABLE); + + /* cache */ + writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_0); + writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_1); + writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_0); + writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_1); + + /* user domain configurations */ + writel(AXUSER_BASE, base + HZIP_BD_RUSER_32_63); + writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63); + + if (qm->use_sva && qm->ver == QM_HW_V2) { + writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_RUSER_32_63); + writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_WUSER_32_63); + writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_SGL_RUSER_32_63); + } else { + writel(AXUSER_BASE, base + HZIP_DATA_RUSER_32_63); + writel(AXUSER_BASE, base + HZIP_DATA_WUSER_32_63); + writel(AXUSER_BASE, base + HZIP_SGL_RUSER_32_63); + } + + /* let's open all compression/decompression cores */ + dcomp_bm = qm->cap_tables.dev_cap_table[ZIP_DECOMP_ENABLE_BITMAP_IDX].cap_val; + comp_bm = qm->cap_tables.dev_cap_table[ZIP_COMP_ENABLE_BITMAP_IDX].cap_val; + writel(HZIP_DECOMP_CHECK_ENABLE | dcomp_bm | comp_bm, base + HZIP_CLOCK_GATE_CTRL); + + /* enable sqc,cqc writeback */ + writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE | + CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) | + FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL); + + hisi_zip_enable_clock_gate(qm); + + return 0; +} + +static void hisi_zip_master_ooo_ctrl(struct hisi_qm *qm, bool enable) +{ + u32 val1, val2; + + val1 = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); + if (enable) { + val1 |= HZIP_AXI_SHUTDOWN_ENABLE; + val2 = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); + } else { + val1 &= ~HZIP_AXI_SHUTDOWN_ENABLE; + val2 = 0x0; + } + + if (qm->ver > QM_HW_V2) + writel(val2, qm->io_base + HZIP_OOO_SHUTDOWN_SEL); + + writel(val1, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); +} + +static void hisi_zip_hw_error_enable(struct hisi_qm *qm) +{ + u32 nfe, ce; + + if (qm->ver == QM_HW_V1) { + writel(HZIP_CORE_INT_MASK_ALL, + qm->io_base + HZIP_CORE_INT_MASK_REG); + dev_info(&qm->pdev->dev, "Does not support hw error handle\n"); + return; + } + + nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); + ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver); + + /* clear ZIP hw error source if having */ + writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_SOURCE); + + /* configure error type */ + writel(ce, qm->io_base + HZIP_CORE_INT_RAS_CE_ENB); + writel(HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_RAS_FE_ENB); + writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); + + hisi_zip_master_ooo_ctrl(qm, true); + + /* enable ZIP hw error interrupts */ + writel(0, qm->io_base + HZIP_CORE_INT_MASK_REG); +} + +static void hisi_zip_hw_error_disable(struct hisi_qm *qm) +{ + u32 nfe, ce; + + /* disable ZIP hw error interrupts */ + nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); + ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver); + writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_MASK_REG); + + hisi_zip_master_ooo_ctrl(qm, false); +} + +static inline struct hisi_qm *file_to_qm(struct ctrl_debug_file *file) +{ + struct hisi_zip *hisi_zip = file->ctrl->hisi_zip; + + return &hisi_zip->qm; +} + +static u32 clear_enable_read(struct hisi_qm *qm) +{ + return readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) & + HZIP_SOFT_CTRL_CNT_CLR_CE_BIT; +} + +static int clear_enable_write(struct hisi_qm *qm, u32 val) +{ + u32 tmp; + + if (val != 1 && val != 0) + return -EINVAL; + + tmp = (readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) & + ~HZIP_SOFT_CTRL_CNT_CLR_CE_BIT) | val; + writel(tmp, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); + + return 0; +} + +static ssize_t hisi_zip_ctrl_debug_read(struct file *filp, char __user *buf, + size_t count, loff_t *pos) +{ + struct ctrl_debug_file *file = filp->private_data; + struct hisi_qm *qm = file_to_qm(file); + char tbuf[HZIP_BUF_SIZE]; + u32 val; + int ret; + + ret = hisi_qm_get_dfx_access(qm); + if (ret) + return ret; + + spin_lock_irq(&file->lock); + switch (file->index) { + case HZIP_CLEAR_ENABLE: + val = clear_enable_read(qm); + break; + default: + goto err_input; + } + spin_unlock_irq(&file->lock); + + hisi_qm_put_dfx_access(qm); + ret = scnprintf(tbuf, sizeof(tbuf), "%u\n", val); + return simple_read_from_buffer(buf, count, pos, tbuf, ret); + +err_input: + spin_unlock_irq(&file->lock); + hisi_qm_put_dfx_access(qm); + return -EINVAL; +} + +static ssize_t hisi_zip_ctrl_debug_write(struct file *filp, + const char __user *buf, + size_t count, loff_t *pos) +{ + struct ctrl_debug_file *file = filp->private_data; + struct hisi_qm *qm = file_to_qm(file); + char tbuf[HZIP_BUF_SIZE]; + unsigned long val; + int len, ret; + + if (*pos != 0) + return 0; + + if (count >= HZIP_BUF_SIZE) + return -ENOSPC; + + len = simple_write_to_buffer(tbuf, HZIP_BUF_SIZE - 1, pos, buf, count); + if (len < 0) + return len; + + tbuf[len] = '\0'; + ret = kstrtoul(tbuf, 0, &val); + if (ret) + return ret; + + ret = hisi_qm_get_dfx_access(qm); + if (ret) + return ret; + + spin_lock_irq(&file->lock); + switch (file->index) { + case HZIP_CLEAR_ENABLE: + ret = clear_enable_write(qm, val); + if (ret) + goto err_input; + break; + default: + ret = -EINVAL; + goto err_input; + } + + ret = count; + +err_input: + spin_unlock_irq(&file->lock); + hisi_qm_put_dfx_access(qm); + return ret; +} + +static const struct file_operations ctrl_debug_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = hisi_zip_ctrl_debug_read, + .write = hisi_zip_ctrl_debug_write, +}; + +static int zip_debugfs_atomic64_set(void *data, u64 val) +{ + if (val) + return -EINVAL; + + atomic64_set((atomic64_t *)data, 0); + + return 0; +} + +static int zip_debugfs_atomic64_get(void *data, u64 *val) +{ + *val = atomic64_read((atomic64_t *)data); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(zip_atomic64_ops, zip_debugfs_atomic64_get, + zip_debugfs_atomic64_set, "%llu\n"); + +static int hisi_zip_regs_show(struct seq_file *s, void *unused) +{ + hisi_qm_regs_dump(s, s->private); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(hisi_zip_regs); + +static int hisi_zip_core_debug_init(struct hisi_qm *qm) +{ + u32 zip_core_num, zip_comp_core_num; + struct device *dev = &qm->pdev->dev; + struct debugfs_regset32 *regset; + struct dentry *tmp_d; + char buf[HZIP_BUF_SIZE]; + int i; + + zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; + zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val; + + for (i = 0; i < zip_core_num; i++) { + if (i < zip_comp_core_num) + scnprintf(buf, sizeof(buf), "comp_core%d", i); + else + scnprintf(buf, sizeof(buf), "decomp_core%d", + i - zip_comp_core_num); + + regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL); + if (!regset) + return -ENOENT; + + regset->regs = hzip_dfx_regs; + regset->nregs = ARRAY_SIZE(hzip_dfx_regs); + regset->base = qm->io_base + core_offsets[i]; + regset->dev = dev; + + tmp_d = debugfs_create_dir(buf, qm->debug.debug_root); + debugfs_create_file("regs", 0444, tmp_d, regset, + &hisi_zip_regs_fops); + } + + return 0; +} + +static void hisi_zip_dfx_debug_init(struct hisi_qm *qm) +{ + struct dfx_diff_registers *hzip_regs = qm->debug.acc_diff_regs; + struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm); + struct hisi_zip_dfx *dfx = &zip->dfx; + struct dentry *tmp_dir; + void *data; + int i; + + tmp_dir = debugfs_create_dir("zip_dfx", qm->debug.debug_root); + for (i = 0; i < ARRAY_SIZE(zip_dfx_files); i++) { + data = (atomic64_t *)((uintptr_t)dfx + zip_dfx_files[i].offset); + debugfs_create_file(zip_dfx_files[i].name, + 0644, tmp_dir, data, + &zip_atomic64_ops); + } + + if (qm->fun_type == QM_HW_PF && hzip_regs) + debugfs_create_file("diff_regs", 0444, tmp_dir, + qm, &hzip_diff_regs_fops); +} + +static int hisi_zip_ctrl_debug_init(struct hisi_qm *qm) +{ + struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm); + int i; + + for (i = HZIP_CLEAR_ENABLE; i < HZIP_DEBUG_FILE_NUM; i++) { + spin_lock_init(&zip->ctrl->files[i].lock); + zip->ctrl->files[i].ctrl = zip->ctrl; + zip->ctrl->files[i].index = i; + + debugfs_create_file(ctrl_debug_file_name[i], 0600, + qm->debug.debug_root, + zip->ctrl->files + i, + &ctrl_debug_fops); + } + + return hisi_zip_core_debug_init(qm); +} + +static int hisi_zip_debugfs_init(struct hisi_qm *qm) +{ + struct device *dev = &qm->pdev->dev; + struct dentry *dev_d; + int ret; + + dev_d = debugfs_create_dir(dev_name(dev), hzip_debugfs_root); + + qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET; + qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN; + qm->debug.debug_root = dev_d; + ret = hisi_qm_regs_debugfs_init(qm, hzip_diff_regs, ARRAY_SIZE(hzip_diff_regs)); + if (ret) { + dev_warn(dev, "Failed to init ZIP diff regs!\n"); + goto debugfs_remove; + } + + hisi_qm_debug_init(qm); + + if (qm->fun_type == QM_HW_PF) { + ret = hisi_zip_ctrl_debug_init(qm); + if (ret) + goto failed_to_create; + } + + hisi_zip_dfx_debug_init(qm); + + return 0; + +failed_to_create: + hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs)); +debugfs_remove: + debugfs_remove_recursive(hzip_debugfs_root); + return ret; +} + +/* hisi_zip_debug_regs_clear() - clear the zip debug regs */ +static void hisi_zip_debug_regs_clear(struct hisi_qm *qm) +{ + int i, j; + + /* enable register read_clear bit */ + writel(HZIP_RD_CNT_CLR_CE_EN, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); + for (i = 0; i < ARRAY_SIZE(core_offsets); i++) + for (j = 0; j < ARRAY_SIZE(hzip_dfx_regs); j++) + readl(qm->io_base + core_offsets[i] + + hzip_dfx_regs[j].offset); + + /* disable register read_clear bit */ + writel(0x0, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); + + hisi_qm_debug_regs_clear(qm); +} + +static void hisi_zip_debugfs_exit(struct hisi_qm *qm) +{ + hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs)); + + debugfs_remove_recursive(qm->debug.debug_root); + + if (qm->fun_type == QM_HW_PF) { + hisi_zip_debug_regs_clear(qm); + qm->debug.curr_qm_qp_num = 0; + } +} + +static int hisi_zip_show_last_regs_init(struct hisi_qm *qm) +{ + int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs); + int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs); + struct qm_debug *debug = &qm->debug; + void __iomem *io_base; + u32 zip_core_num; + int i, j, idx; + + zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; + + debug->last_words = kcalloc(core_dfx_regs_num * zip_core_num + com_dfx_regs_num, + sizeof(unsigned int), GFP_KERNEL); + if (!debug->last_words) + return -ENOMEM; + + for (i = 0; i < com_dfx_regs_num; i++) { + io_base = qm->io_base + hzip_com_dfx_regs[i].offset; + debug->last_words[i] = readl_relaxed(io_base); + } + + for (i = 0; i < zip_core_num; i++) { + io_base = qm->io_base + core_offsets[i]; + for (j = 0; j < core_dfx_regs_num; j++) { + idx = com_dfx_regs_num + i * core_dfx_regs_num + j; + debug->last_words[idx] = readl_relaxed( + io_base + hzip_dump_dfx_regs[j].offset); + } + } + + return 0; +} + +static void hisi_zip_show_last_regs_uninit(struct hisi_qm *qm) +{ + struct qm_debug *debug = &qm->debug; + + if (qm->fun_type == QM_HW_VF || !debug->last_words) + return; + + kfree(debug->last_words); + debug->last_words = NULL; +} + +static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm) +{ + int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs); + int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs); + u32 zip_core_num, zip_comp_core_num; + struct qm_debug *debug = &qm->debug; + char buf[HZIP_BUF_SIZE]; + void __iomem *base; + int i, j, idx; + u32 val; + + if (qm->fun_type == QM_HW_VF || !debug->last_words) + return; + + for (i = 0; i < com_dfx_regs_num; i++) { + val = readl_relaxed(qm->io_base + hzip_com_dfx_regs[i].offset); + if (debug->last_words[i] != val) + pci_info(qm->pdev, "com_dfx: %s \t= 0x%08x => 0x%08x\n", + hzip_com_dfx_regs[i].name, debug->last_words[i], val); + } + + zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; + zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val; + + for (i = 0; i < zip_core_num; i++) { + if (i < zip_comp_core_num) + scnprintf(buf, sizeof(buf), "Comp_core-%d", i); + else + scnprintf(buf, sizeof(buf), "Decomp_core-%d", + i - zip_comp_core_num); + base = qm->io_base + core_offsets[i]; + + pci_info(qm->pdev, "==>%s:\n", buf); + /* dump last word for dfx regs during control resetting */ + for (j = 0; j < core_dfx_regs_num; j++) { + idx = com_dfx_regs_num + i * core_dfx_regs_num + j; + val = readl_relaxed(base + hzip_dump_dfx_regs[j].offset); + if (debug->last_words[idx] != val) + pci_info(qm->pdev, "%s \t= 0x%08x => 0x%08x\n", + hzip_dump_dfx_regs[j].name, + debug->last_words[idx], val); + } + } +} + +static void hisi_zip_log_hw_error(struct hisi_qm *qm, u32 err_sts) +{ + const struct hisi_zip_hw_error *err = zip_hw_error; + struct device *dev = &qm->pdev->dev; + u32 err_val; + + while (err->msg) { + if (err->int_msk & err_sts) { + dev_err(dev, "%s [error status=0x%x] found\n", + err->msg, err->int_msk); + + if (err->int_msk & HZIP_CORE_INT_STATUS_M_ECC) { + err_val = readl(qm->io_base + + HZIP_CORE_SRAM_ECC_ERR_INFO); + dev_err(dev, "hisi-zip multi ecc sram num=0x%x\n", + ((err_val >> + HZIP_SRAM_ECC_ERR_NUM_SHIFT) & 0xFF)); + } + } + err++; + } +} + +static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm) +{ + return readl(qm->io_base + HZIP_CORE_INT_STATUS); +} + +static void hisi_zip_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts) +{ + u32 nfe; + + writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE); + nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); + writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); +} + +static void hisi_zip_open_axi_master_ooo(struct hisi_qm *qm) +{ + u32 val; + + val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); + + writel(val & ~HZIP_AXI_SHUTDOWN_ENABLE, + qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); + + writel(val | HZIP_AXI_SHUTDOWN_ENABLE, + qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); +} + +static void hisi_zip_close_axi_master_ooo(struct hisi_qm *qm) +{ + u32 nfe_enb; + + /* Disable ECC Mbit error report. */ + nfe_enb = readl(qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); + writel(nfe_enb & ~HZIP_CORE_INT_STATUS_M_ECC, + qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); + + /* Inject zip ECC Mbit error to block master ooo. */ + writel(HZIP_CORE_INT_STATUS_M_ECC, + qm->io_base + HZIP_CORE_INT_SET); +} + +static void hisi_zip_err_info_init(struct hisi_qm *qm) +{ + struct hisi_qm_err_info *err_info = &qm->err_info; + + err_info->fe = HZIP_CORE_INT_RAS_FE_ENB_MASK; + err_info->ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_CE_MASK_CAP, qm->cap_ver); + err_info->nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + ZIP_QM_NFE_MASK_CAP, qm->cap_ver); + err_info->ecc_2bits_mask = HZIP_CORE_INT_STATUS_M_ECC; + err_info->qm_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + ZIP_QM_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); + err_info->dev_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); + err_info->qm_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + ZIP_QM_RESET_MASK_CAP, qm->cap_ver); + err_info->dev_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + ZIP_RESET_MASK_CAP, qm->cap_ver); + err_info->msi_wr_port = HZIP_WR_PORT; + err_info->acpi_rst = "ZRST"; +} + +static const struct hisi_qm_err_ini hisi_zip_err_ini = { + .hw_init = hisi_zip_set_user_domain_and_cache, + .hw_err_enable = hisi_zip_hw_error_enable, + .hw_err_disable = hisi_zip_hw_error_disable, + .get_dev_hw_err_status = hisi_zip_get_hw_err_status, + .clear_dev_hw_err_status = hisi_zip_clear_hw_err_status, + .log_dev_hw_err = hisi_zip_log_hw_error, + .open_axi_master_ooo = hisi_zip_open_axi_master_ooo, + .close_axi_master_ooo = hisi_zip_close_axi_master_ooo, + .open_sva_prefetch = hisi_zip_open_sva_prefetch, + .close_sva_prefetch = hisi_zip_close_sva_prefetch, + .show_last_dfx_regs = hisi_zip_show_last_dfx_regs, + .err_info_init = hisi_zip_err_info_init, +}; + +static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip) +{ + struct hisi_qm *qm = &hisi_zip->qm; + struct hisi_zip_ctrl *ctrl; + int ret; + + ctrl = devm_kzalloc(&qm->pdev->dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return -ENOMEM; + + hisi_zip->ctrl = ctrl; + ctrl->hisi_zip = hisi_zip; + qm->err_ini = &hisi_zip_err_ini; + qm->err_ini->err_info_init(qm); + + ret = hisi_zip_set_user_domain_and_cache(qm); + if (ret) + return ret; + + ret = hisi_zip_set_high_perf(qm); + if (ret) + return ret; + + hisi_zip_open_sva_prefetch(qm); + hisi_qm_dev_err_init(qm); + hisi_zip_debug_regs_clear(qm); + + ret = hisi_zip_show_last_regs_init(qm); + if (ret) + pci_err(qm->pdev, "Failed to init last word regs!\n"); + + return ret; +} + +static int zip_pre_store_cap_reg(struct hisi_qm *qm) +{ + struct hisi_qm_cap_record *zip_cap; + struct pci_dev *pdev = qm->pdev; + size_t i, size; + + size = ARRAY_SIZE(zip_pre_store_caps); + zip_cap = devm_kzalloc(&pdev->dev, sizeof(*zip_cap) * size, GFP_KERNEL); + if (!zip_cap) + return -ENOMEM; + + for (i = 0; i < size; i++) { + zip_cap[i].type = zip_pre_store_caps[i]; + zip_cap[i].cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + zip_pre_store_caps[i], qm->cap_ver); + } + + qm->cap_tables.dev_cap_table = zip_cap; + + return 0; +} + +static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) +{ + u64 alg_msk; + int ret; + + qm->pdev = pdev; + qm->ver = pdev->revision; + qm->mode = uacce_mode; + qm->sqe_size = HZIP_SQE_SIZE; + qm->dev_name = hisi_zip_name; + + qm->fun_type = (pdev->device == PCI_DEVICE_ID_HUAWEI_ZIP_PF) ? + QM_HW_PF : QM_HW_VF; + if (qm->fun_type == QM_HW_PF) { + qm->qp_base = HZIP_PF_DEF_Q_BASE; + qm->qp_num = pf_q_num; + qm->debug.curr_qm_qp_num = pf_q_num; + qm->qm_list = &zip_devices; + if (pf_q_num_flag) + set_bit(QM_MODULE_PARAM, &qm->misc_ctl); + } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) { + /* + * have no way to get qm configure in VM in v1 hardware, + * so currently force PF to uses HZIP_PF_DEF_Q_NUM, and force + * to trigger only one VF in v1 hardware. + * + * v2 hardware has no such problem. + */ + qm->qp_base = HZIP_PF_DEF_Q_NUM; + qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM; + } + + ret = hisi_qm_init(qm); + if (ret) { + pci_err(qm->pdev, "Failed to init zip qm configures!\n"); + return ret; + } + + /* Fetch and save the value of capability registers */ + ret = zip_pre_store_cap_reg(qm); + if (ret) { + pci_err(qm->pdev, "Failed to pre-store capability registers!\n"); + hisi_qm_uninit(qm); + return ret; + } + + alg_msk = qm->cap_tables.dev_cap_table[ZIP_DEV_ALG_BITMAP_IDX].cap_val; + ret = hisi_qm_set_algs(qm, alg_msk, zip_dev_algs, ARRAY_SIZE(zip_dev_algs)); + if (ret) { + pci_err(qm->pdev, "Failed to set zip algs!\n"); + hisi_qm_uninit(qm); + } + + return ret; +} + +static void hisi_zip_qm_uninit(struct hisi_qm *qm) +{ + hisi_qm_uninit(qm); +} + +static int hisi_zip_probe_init(struct hisi_zip *hisi_zip) +{ + u32 type_rate = HZIP_SHAPER_RATE_COMPRESS; + struct hisi_qm *qm = &hisi_zip->qm; + int ret; + + if (qm->fun_type == QM_HW_PF) { + ret = hisi_zip_pf_probe_init(hisi_zip); + if (ret) + return ret; + /* enable shaper type 0 */ + if (qm->ver >= QM_HW_V3) { + type_rate |= QM_SHAPER_ENABLE; + + /* ZIP need to enable shaper type 1 */ + type_rate |= HZIP_SHAPER_RATE_DECOMPRESS << QM_SHAPER_TYPE1_OFFSET; + qm->type_rate = type_rate; + } + } + + return 0; +} + +static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + struct hisi_zip *hisi_zip; + struct hisi_qm *qm; + int ret; + + hisi_zip = devm_kzalloc(&pdev->dev, sizeof(*hisi_zip), GFP_KERNEL); + if (!hisi_zip) + return -ENOMEM; + + qm = &hisi_zip->qm; + + ret = hisi_zip_qm_init(qm, pdev); + if (ret) { + pci_err(pdev, "Failed to init ZIP QM (%d)!\n", ret); + return ret; + } + + ret = hisi_zip_probe_init(hisi_zip); + if (ret) { + pci_err(pdev, "Failed to probe (%d)!\n", ret); + goto err_qm_uninit; + } + + ret = hisi_qm_start(qm); + if (ret) + goto err_dev_err_uninit; + + ret = hisi_zip_debugfs_init(qm); + if (ret) + pci_err(pdev, "failed to init debugfs (%d)!\n", ret); + + ret = hisi_qm_alg_register(qm, &zip_devices); + if (ret < 0) { + pci_err(pdev, "failed to register driver to crypto!\n"); + goto err_qm_stop; + } + + if (qm->uacce) { + ret = uacce_register(qm->uacce); + if (ret) { + pci_err(pdev, "failed to register uacce (%d)!\n", ret); + goto err_qm_alg_unregister; + } + } + + if (qm->fun_type == QM_HW_PF && vfs_num > 0) { + ret = hisi_qm_sriov_enable(pdev, vfs_num); + if (ret < 0) + goto err_qm_alg_unregister; + } + + hisi_qm_pm_init(qm); + + return 0; + +err_qm_alg_unregister: + hisi_qm_alg_unregister(qm, &zip_devices); + +err_qm_stop: + hisi_zip_debugfs_exit(qm); + hisi_qm_stop(qm, QM_NORMAL); + +err_dev_err_uninit: + hisi_zip_show_last_regs_uninit(qm); + hisi_qm_dev_err_uninit(qm); + +err_qm_uninit: + hisi_zip_qm_uninit(qm); + + return ret; +} + +static void hisi_zip_remove(struct pci_dev *pdev) +{ + struct hisi_qm *qm = pci_get_drvdata(pdev); + + hisi_qm_pm_uninit(qm); + hisi_qm_wait_task_finish(qm, &zip_devices); + hisi_qm_alg_unregister(qm, &zip_devices); + + if (qm->fun_type == QM_HW_PF && qm->vfs_num) + hisi_qm_sriov_disable(pdev, true); + + hisi_zip_debugfs_exit(qm); + hisi_qm_stop(qm, QM_NORMAL); + hisi_zip_show_last_regs_uninit(qm); + hisi_qm_dev_err_uninit(qm); + hisi_zip_qm_uninit(qm); +} + +static const struct dev_pm_ops hisi_zip_pm_ops = { + SET_RUNTIME_PM_OPS(hisi_qm_suspend, hisi_qm_resume, NULL) +}; + +static const struct pci_error_handlers hisi_zip_err_handler = { + .error_detected = hisi_qm_dev_err_detected, + .slot_reset = hisi_qm_dev_slot_reset, + .reset_prepare = hisi_qm_reset_prepare, + .reset_done = hisi_qm_reset_done, +}; + +static struct pci_driver hisi_zip_pci_driver = { + .name = "hisi_zip", + .id_table = hisi_zip_dev_ids, + .probe = hisi_zip_probe, + .remove = hisi_zip_remove, + .sriov_configure = IS_ENABLED(CONFIG_PCI_IOV) ? + hisi_qm_sriov_configure : NULL, + .err_handler = &hisi_zip_err_handler, + .shutdown = hisi_qm_dev_shutdown, + .driver.pm = &hisi_zip_pm_ops, +}; + +struct pci_driver *hisi_zip_get_pf_driver(void) +{ + return &hisi_zip_pci_driver; +} +EXPORT_SYMBOL_GPL(hisi_zip_get_pf_driver); + +static void hisi_zip_register_debugfs(void) +{ + if (!debugfs_initialized()) + return; + + hzip_debugfs_root = debugfs_create_dir("hisi_zip", NULL); +} + +static void hisi_zip_unregister_debugfs(void) +{ + debugfs_remove_recursive(hzip_debugfs_root); +} + +static int __init hisi_zip_init(void) +{ + int ret; + + hisi_qm_init_list(&zip_devices); + hisi_zip_register_debugfs(); + + ret = pci_register_driver(&hisi_zip_pci_driver); + if (ret < 0) { + hisi_zip_unregister_debugfs(); + pr_err("Failed to register pci driver.\n"); + } + + return ret; +} + +static void __exit hisi_zip_exit(void) +{ + pci_unregister_driver(&hisi_zip_pci_driver); + hisi_zip_unregister_debugfs(); +} + +module_init(hisi_zip_init); +module_exit(hisi_zip_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>"); +MODULE_DESCRIPTION("Driver for HiSilicon ZIP accelerator"); |