* [PATCH v3 1/7] crypto: hisilicon - add queue management driver for HiSilicon QM module
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-02 7:57 ` [PATCH v3 2/7] crypto: hisilicon - add hardware SGL support Zhou Wang
` (7 subsequent siblings)
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto
Cc: linuxarm, linux-kernel, Zhou Wang, Kenneth Lee, Shiju Jose, Hao Fang
QM is a general IP used by HiSilicon accelerators. It provides a general
PCIe interface for the CPU and the accelerator to share a group of queues.
A QM integrated in an accelerator provides queue management service.
Queues can be assigned to PF and VFs, and queues can be controlled by
unified mailboxes and doorbells. Specific task request are descripted by
specific description buffer, which will be controlled and pass to related
accelerator IP by QM.
This patch adds a QM driver used by the accelerator driver to access
the QM hardware.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Hao Fang <fanghao11@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
---
drivers/crypto/hisilicon/Kconfig | 7 +
drivers/crypto/hisilicon/Makefile | 1 +
drivers/crypto/hisilicon/qm.c | 1550 +++++++++++++++++++++++++++++++++++++
drivers/crypto/hisilicon/qm.h | 182 +++++
4 files changed, 1740 insertions(+)
create mode 100644 drivers/crypto/hisilicon/qm.c
create mode 100644 drivers/crypto/hisilicon/qm.h
diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig
index 8ca9c50..b79be8d 100644
--- a/drivers/crypto/hisilicon/Kconfig
+++ b/drivers/crypto/hisilicon/Kconfig
@@ -12,3 +12,10 @@ config CRYPTO_DEV_HISI_SEC
To compile this as a module, choose M here: the module
will be called hisi_sec.
+
+config CRYPTO_DEV_HISI_QM
+ tristate
+ depends on ARM64 && PCI && PCI_MSI
+ help
+ HiSilicon accelerator engines use a common queue management
+ interface. Specific engine driver may use this module.
diff --git a/drivers/crypto/hisilicon/Makefile b/drivers/crypto/hisilicon/Makefile
index 463f46a..05e9052 100644
--- a/drivers/crypto/hisilicon/Makefile
+++ b/drivers/crypto/hisilicon/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_CRYPTO_DEV_HISI_SEC) += sec/
+obj-$(CONFIG_CRYPTO_DEV_HISI_QM) += qm.o
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
new file mode 100644
index 0000000..c095d47
--- /dev/null
+++ b/drivers/crypto/hisilicon/qm.c
@@ -0,0 +1,1550 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+#include <asm/page.h>
+#include <linux/bitmap.h>
+#include <linux/dma-mapping.h>
+#include <linux/io.h>
+#include <linux/irqreturn.h>
+#include <linux/log2.h>
+#include <linux/slab.h>
+#include "qm.h"
+
+/* eq/aeq irq enable */
+#define QM_VF_AEQ_INT_SOURCE 0x0
+#define QM_VF_AEQ_INT_MASK 0x4
+#define QM_VF_EQ_INT_SOURCE 0x8
+#define QM_VF_EQ_INT_MASK 0xc
+#define QM_IRQ_NUM_V1 1
+#define QM_IRQ_NUM_PF_V2 4
+
+#define QM_EQ_EVENT_IRQ_VECTOR 0
+#define QM_AEQ_EVENT_IRQ_VECTOR 1
+#define QM_ABNORMAL_EVENT_IRQ_VECTOR 3
+
+/* mailbox */
+#define QM_MB_CMD_SQC 0x0
+#define QM_MB_CMD_CQC 0x1
+#define QM_MB_CMD_EQC 0x2
+#define QM_MB_CMD_AEQC 0x3
+#define QM_MB_CMD_SQC_BT 0x4
+#define QM_MB_CMD_CQC_BT 0x5
+#define QM_MB_CMD_SQC_VFT_V2 0x6
+
+#define QM_MB_CMD_SEND_BASE 0x300
+#define QM_MB_EVENT_SHIFT 8
+#define QM_MB_BUSY_SHIFT 13
+#define QM_MB_OP_SHIFT 14
+#define QM_MB_CMD_DATA_ADDR_L 0x304
+#define QM_MB_CMD_DATA_ADDR_H 0x308
+
+/* sqc shift */
+#define QM_SQ_HOP_NUM_SHIFT 0
+#define QM_SQ_PAGE_SIZE_SHIFT 4
+#define QM_SQ_BUF_SIZE_SHIFT 8
+#define QM_SQ_SQE_SIZE_SHIFT 12
+#define QM_SQ_PRIORITY_SHIFT 0
+#define QM_SQ_ORDERS_SHIFT 4
+#define QM_SQ_TYPE_SHIFT 8
+
+#define QM_SQ_TYPE_MASK GENMASK(3, 0)
+
+/* cqc shift */
+#define QM_CQ_HOP_NUM_SHIFT 0
+#define QM_CQ_PAGE_SIZE_SHIFT 4
+#define QM_CQ_BUF_SIZE_SHIFT 8
+#define QM_CQ_CQE_SIZE_SHIFT 12
+#define QM_CQ_PHASE_SHIFT 0
+#define QM_CQ_FLAG_SHIFT 1
+
+#define QM_CQE_PHASE(cqe) ((cqe)->w7 & 0x1)
+#define QM_QC_CQE_SIZE 4
+
+/* eqc shift */
+#define QM_EQE_AEQE_SIZE (2UL << 12)
+#define QM_EQC_PHASE_SHIFT 16
+
+#define QM_EQE_PHASE(eqe) (((eqe)->dw0 >> 16) & 0x1)
+#define QM_EQE_CQN_MASK GENMASK(15, 0)
+
+#define QM_AEQE_PHASE(aeqe) (((aeqe)->dw0 >> 16) & 0x1)
+#define QM_AEQE_TYPE_SHIFT 17
+
+#define QM_DOORBELL_CMD_SQ 0
+#define QM_DOORBELL_CMD_CQ 1
+#define QM_DOORBELL_CMD_EQ 2
+#define QM_DOORBELL_CMD_AEQ 3
+
+#define QM_DOORBELL_BASE_V1 0x340
+#define QM_DB_CMD_SHIFT_V1 16
+#define QM_DB_INDEX_SHIFT_V1 32
+#define QM_DB_PRIORITY_SHIFT_V1 48
+#define QM_DOORBELL_SQ_CQ_BASE_V2 0x1000
+#define QM_DOORBELL_EQ_AEQ_BASE_V2 0x2000
+#define QM_DB_CMD_SHIFT_V2 12
+#define QM_DB_RAND_SHIFT_V2 16
+#define QM_DB_INDEX_SHIFT_V2 32
+#define QM_DB_PRIORITY_SHIFT_V2 48
+
+#define QM_MEM_START_INIT 0x100040
+#define QM_MEM_INIT_DONE 0x100044
+#define QM_VFT_CFG_RDY 0x10006c
+#define QM_VFT_CFG_OP_WR 0x100058
+#define QM_VFT_CFG_TYPE 0x10005c
+#define QM_SQC_VFT 0x0
+#define QM_CQC_VFT 0x1
+#define QM_VFT_CFG 0x100060
+#define QM_VFT_CFG_OP_ENABLE 0x100054
+
+#define QM_VFT_CFG_DATA_L 0x100064
+#define QM_VFT_CFG_DATA_H 0x100068
+#define QM_SQC_VFT_BUF_SIZE (7ULL << 8)
+#define QM_SQC_VFT_SQC_SIZE (5ULL << 12)
+#define QM_SQC_VFT_INDEX_NUMBER (1ULL << 16)
+#define QM_SQC_VFT_START_SQN_SHIFT 28
+#define QM_SQC_VFT_VALID (1ULL << 44)
+#define QM_SQC_VFT_SQN_SHIFT 45
+#define QM_CQC_VFT_BUF_SIZE (7ULL << 8)
+#define QM_CQC_VFT_SQC_SIZE (5ULL << 12)
+#define QM_CQC_VFT_INDEX_NUMBER (1ULL << 16)
+#define QM_CQC_VFT_VALID (1ULL << 28)
+
+#define QM_SQC_VFT_BASE_SHIFT_V2 28
+#define QM_SQC_VFT_BASE_MASK_V2 GENMASK(5, 0)
+#define QM_SQC_VFT_NUM_SHIFT_V2 45
+#define QM_SQC_VFT_NUM_MASK_v2 GENMASK(9, 0)
+
+
+#define QM_ABNORMAL_INT_SOURCE 0x100000
+#define QM_ABNORMAL_INT_MASK 0x100004
+#define QM_ABNORMAL_INT_MASK_VALUE 0x1fff
+#define QM_ABNORMAL_INT_STATUS 0x100008
+#define QM_ABNORMAL_INF00 0x100010
+#define QM_FIFO_OVERFLOW_TYPE 0xc0
+#define QM_FIFO_OVERFLOW_TYPE_SHIFT 6
+#define QM_FIFO_OVERFLOW_VF 0x3f
+#define QM_ABNORMAL_INF01 0x100014
+#define QM_DB_TIMEOUT_TYPE 0xc0
+#define QM_DB_TIMEOUT_TYPE_SHIFT 6
+#define QM_DB_TIMEOUT_VF 0x3f
+#define QM_RAS_CE_ENABLE 0x1000ec
+#define QM_RAS_FE_ENABLE 0x1000f0
+#define QM_RAS_NFE_ENABLE 0x1000f4
+#define QM_RAS_CE_THRESHOLD 0x1000f8
+#define QM_RAS_CE_TIMES_PER_IRQ 1
+#define QM_RAS_MSI_INT_SEL 0x1040f4
+
+#define QM_CACHE_WB_START 0x204
+#define QM_CACHE_WB_DONE 0x208
+
+#define PCI_BAR_2 2
+#define QM_SQE_DATA_ALIGN_MASK GENMASK(6, 0)
+#define QMC_ALIGN(sz) ALIGN(sz, 32)
+
+
+#define QM_MK_CQC_DW3_V1(hop_num, pg_sz, buf_sz, cqe_sz) \
+ (((hop_num) << QM_CQ_HOP_NUM_SHIFT) | \
+ ((pg_sz) << QM_CQ_PAGE_SIZE_SHIFT) | \
+ ((buf_sz) << QM_CQ_BUF_SIZE_SHIFT) | \
+ ((cqe_sz) << QM_CQ_CQE_SIZE_SHIFT))
+
+#define QM_MK_CQC_DW3_V2(cqe_sz) \
+ ((QM_Q_DEPTH - 1) | ((cqe_sz) << QM_CQ_CQE_SIZE_SHIFT))
+
+#define QM_MK_SQC_W13(priority, orders, alg_type) \
+ (((priority) << QM_SQ_PRIORITY_SHIFT) | \
+ ((orders) << QM_SQ_ORDERS_SHIFT) | \
+ (((alg_type) & QM_SQ_TYPE_MASK) << QM_SQ_TYPE_SHIFT))
+
+#define QM_MK_SQC_DW3_V1(hop_num, pg_sz, buf_sz, sqe_sz) \
+ (((hop_num) << QM_SQ_HOP_NUM_SHIFT) | \
+ ((pg_sz) << QM_SQ_PAGE_SIZE_SHIFT) | \
+ ((buf_sz) << QM_SQ_BUF_SIZE_SHIFT) | \
+ ((u32)ilog2(sqe_sz) << QM_SQ_SQE_SIZE_SHIFT))
+
+#define QM_MK_SQC_DW3_V2(sqe_sz) \
+ ((QM_Q_DEPTH - 1) | ((u32)ilog2(sqe_sz) << QM_SQ_SQE_SIZE_SHIFT))
+
+#define INIT_QC_COMMON(qc, base, pasid) do { \
+ (qc)->head = 0; \
+ (qc)->tail = 0; \
+ (qc)->base_l = lower_32_bits(base); \
+ (qc)->base_h = upper_32_bits(base); \
+ (qc)->dw3 = 0; \
+ (qc)->w8 = 0; \
+ (qc)->rsvd0 = 0; \
+ (qc)->pasid = pasid; \
+ (qc)->w11 = 0; \
+ (qc)->rsvd1 = 0; \
+} while (0)
+
+enum vft_type {
+ SQC_VFT = 0,
+ CQC_VFT,
+};
+
+struct qm_cqe {
+ __le32 rsvd0;
+ __le16 cmd_id;
+ __le16 rsvd1;
+ __le16 sq_head;
+ __le16 sq_num;
+ __le16 rsvd2;
+ __le16 w7;
+};
+
+struct qm_eqe {
+ __le32 dw0;
+};
+
+struct qm_aeqe {
+ __le32 dw0;
+};
+
+struct qm_sqc {
+ __le16 head;
+ __le16 tail;
+ __le32 base_l;
+ __le32 base_h;
+ __le32 dw3;
+ __le16 w8;
+ __le16 rsvd0;
+ __le16 pasid;
+ __le16 w11;
+ __le16 cq_num;
+ __le16 w13;
+ __le32 rsvd1;
+};
+
+struct qm_cqc {
+ __le16 head;
+ __le16 tail;
+ __le32 base_l;
+ __le32 base_h;
+ __le32 dw3;
+ __le16 w8;
+ __le16 rsvd0;
+ __le16 pasid;
+ __le16 w11;
+ __le32 dw6;
+ __le32 rsvd1;
+};
+
+struct qm_eqc {
+ __le16 head;
+ __le16 tail;
+ __le32 base_l;
+ __le32 base_h;
+ __le32 dw3;
+ __le32 rsvd[2];
+ __le32 dw6;
+};
+
+struct qm_aeqc {
+ __le16 head;
+ __le16 tail;
+ __le32 base_l;
+ __le32 base_h;
+ __le32 dw3;
+ __le32 rsvd[2];
+ __le32 dw6;
+};
+
+struct qm_mailbox {
+ __le16 w0;
+ __le16 queue_num;
+ __le32 base_l;
+ __le32 base_h;
+ __le32 rsvd;
+};
+
+struct qm_doorbell {
+ __le16 queue_num;
+ __le16 cmd;
+ __le16 index;
+ __le16 priority;
+};
+
+struct hisi_qm_hw_ops {
+ void (*qm_db)(struct hisi_qm *qm, u16 qn,
+ u8 cmd, u16 index, u8 priority);
+ u32 (*get_irq_num)(struct hisi_qm *qm);
+ void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
+ u32 msi);
+ pci_ers_result_t (*hw_error_handle)(struct hisi_qm *qm);
+};
+
+struct hisi_qm_hw_error {
+ u32 int_msk;
+ const char *msg;
+};
+
+static const struct hisi_qm_hw_error qm_hw_error[] = {
+ { .int_msk = BIT(0), .msg = "qm_axi_rresp" },
+ { .int_msk = BIT(1), .msg = "qm_axi_bresp" },
+ { .int_msk = BIT(2), .msg = "qm_ecc_mbit" },
+ { .int_msk = BIT(3), .msg = "qm_ecc_1bit" },
+ { .int_msk = BIT(4), .msg = "qm_acc_get_task_timeout" },
+ { .int_msk = BIT(5), .msg = "qm_acc_do_task_timeout" },
+ { .int_msk = BIT(6), .msg = "qm_acc_wb_not_ready_timeout" },
+ { .int_msk = BIT(7), .msg = "qm_sq_cq_vf_invalid" },
+ { .int_msk = BIT(8), .msg = "qm_cq_vf_invalid" },
+ { .int_msk = BIT(9), .msg = "qm_sq_vf_invalid" },
+ { .int_msk = BIT(10), .msg = "qm_db_timeout" },
+ { .int_msk = BIT(11), .msg = "qm_of_fifo_of" },
+ { .int_msk = BIT(12), .msg = "qm_db_random_invalid" },
+ { /* sentinel */ }
+};
+
+static const char * const qm_db_timeout[] = {
+ "sq", "cq", "eq", "aeq",
+};
+
+static const char * const qm_fifo_overflow[] = {
+ "cq", "eq", "aeq",
+};
+
+/* return 0 mailbox ready, -ETIMEDOUT hardware timeout */
+static int qm_wait_mb_ready(struct hisi_qm *qm)
+{
+ u32 val;
+
+ return readl_relaxed_poll_timeout(qm->io_base + QM_MB_CMD_SEND_BASE,
+ val, !((val >> QM_MB_BUSY_SHIFT) &
+ 0x1), 10, 1000);
+}
+
+/* 128 bit should be written to hardware at one time to trigger a mailbox */
+static void qm_mb_write(struct hisi_qm *qm, const void *src)
+{
+ void __iomem *fun_base = qm->io_base + QM_MB_CMD_SEND_BASE;
+ unsigned long tmp0 = 0, tmp1 = 0;
+
+ asm volatile("ldp %0, %1, %3\n"
+ "stp %0, %1, %2\n"
+ "dsb sy\n"
+ : "=&r" (tmp0),
+ "=&r" (tmp1),
+ "+Q" (*((char *)fun_base))
+ : "Q" (*((char *)src))
+ : "memory");
+}
+
+static int qm_mb(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue,
+ bool op)
+{
+ struct qm_mailbox mailbox;
+ int ret = 0;
+
+ dev_dbg(&qm->pdev->dev, "QM mailbox request to q%u: %u-%llx\n", queue,
+ cmd, dma_addr);
+
+ mailbox.w0 = cmd |
+ (op ? 0x1 << QM_MB_OP_SHIFT : 0) |
+ (0x1 << QM_MB_BUSY_SHIFT);
+ mailbox.queue_num = queue;
+ mailbox.base_l = lower_32_bits(dma_addr);
+ mailbox.base_h = upper_32_bits(dma_addr);
+ mailbox.rsvd = 0;
+
+ mutex_lock(&qm->mailbox_lock);
+
+ if (unlikely(qm_wait_mb_ready(qm))) {
+ ret = -EBUSY;
+ dev_err(&qm->pdev->dev, "QM mailbox is busy to start!\n");
+ goto busy_unlock;
+ }
+
+ qm_mb_write(qm, &mailbox);
+
+ if (unlikely(qm_wait_mb_ready(qm))) {
+ ret = -EBUSY;
+ dev_err(&qm->pdev->dev, "QM mailbox operation timeout!\n");
+ goto busy_unlock;
+ }
+
+busy_unlock:
+ mutex_unlock(&qm->mailbox_lock);
+
+ return ret;
+}
+
+static void qm_db_v1(struct hisi_qm *qm, u16 qn, u8 cmd, u16 index, u8 priority)
+{
+ u64 doorbell;
+
+ doorbell = qn | ((u64)cmd << QM_DB_CMD_SHIFT_V1) |
+ ((u64)index << QM_DB_INDEX_SHIFT_V1) |
+ ((u64)priority << QM_DB_PRIORITY_SHIFT_V1);
+
+ writeq(doorbell, qm->io_base + QM_DOORBELL_BASE_V1);
+}
+
+static void qm_db_v2(struct hisi_qm *qm, u16 qn, u8 cmd, u16 index, u8 priority)
+{
+ u64 doorbell;
+ u64 dbase;
+ u16 randata = 0;
+
+ if (cmd == QM_DOORBELL_CMD_SQ || cmd == QM_DOORBELL_CMD_CQ)
+ dbase = QM_DOORBELL_SQ_CQ_BASE_V2;
+ else
+ dbase = QM_DOORBELL_EQ_AEQ_BASE_V2;
+
+ doorbell = qn | ((u64)cmd << QM_DB_CMD_SHIFT_V2) |
+ ((u64)randata << QM_DB_RAND_SHIFT_V2) |
+ ((u64)index << QM_DB_INDEX_SHIFT_V2) |
+ ((u64)priority << QM_DB_PRIORITY_SHIFT_V2);
+
+ writeq(doorbell, qm->io_base + dbase);
+}
+
+static void qm_db(struct hisi_qm *qm, u16 qn, u8 cmd, u16 index, u8 priority)
+{
+ dev_dbg(&qm->pdev->dev, "QM doorbell request: qn=%u, cmd=%u, index=%u\n",
+ qn, cmd, index);
+
+ qm->ops->qm_db(qm, qn, cmd, index, priority);
+}
+
+static int qm_dev_mem_reset(struct hisi_qm *qm)
+{
+ u32 val;
+
+ writel(0x1, qm->io_base + QM_MEM_START_INIT);
+ return readl_relaxed_poll_timeout(qm->io_base + QM_MEM_INIT_DONE, val,
+ val & BIT(0), 10, 1000);
+}
+
+static u32 qm_get_irq_num_v1(struct hisi_qm *qm)
+{
+ return QM_IRQ_NUM_V1;
+}
+
+static u32 qm_get_irq_num_v2(struct hisi_qm *qm)
+{
+ return QM_IRQ_NUM_PF_V2;
+}
+
+static struct hisi_qp *qm_to_hisi_qp(struct hisi_qm *qm, struct qm_eqe *eqe)
+{
+ u16 cqn = eqe->dw0 & QM_EQE_CQN_MASK;
+
+ return qm->qp_array[cqn];
+}
+
+static void qm_cq_head_update(struct hisi_qp *qp)
+{
+ if (qp->qp_status.cq_head == QM_Q_DEPTH - 1) {
+ qp->qp_status.cqc_phase = !qp->qp_status.cqc_phase;
+ qp->qp_status.cq_head = 0;
+ } else {
+ qp->qp_status.cq_head++;
+ }
+}
+
+static void qm_poll_qp(struct hisi_qp *qp, struct hisi_qm *qm)
+{
+ struct qm_cqe *cqe = qp->cqe + qp->qp_status.cq_head;
+
+ if (qp->req_cb) {
+ while (QM_CQE_PHASE(cqe) == qp->qp_status.cqc_phase) {
+ dma_rmb();
+ qp->req_cb(qp, qp->sqe + qm->sqe_size * cqe->sq_head);
+ qm_cq_head_update(qp);
+ cqe = qp->cqe + qp->qp_status.cq_head;
+ qm_db(qm, qp->qp_id, QM_DOORBELL_CMD_CQ,
+ qp->qp_status.cq_head, 0);
+ atomic_dec(&qp->qp_status.used);
+ }
+
+ /* set c_flag */
+ qm_db(qm, qp->qp_id, QM_DOORBELL_CMD_CQ,
+ qp->qp_status.cq_head, 1);
+ }
+}
+
+static void qm_qp_work_func(struct work_struct *work)
+{
+ struct hisi_qp *qp;
+
+ qp = container_of(work, struct hisi_qp, work);
+ qm_poll_qp(qp, qp->qm);
+}
+
+static irqreturn_t qm_irq_handler(int irq, void *data)
+{
+ struct hisi_qm *qm = data;
+ struct qm_eqe *eqe = qm->eqe + qm->status.eq_head;
+ struct hisi_qp *qp;
+ int eqe_num = 0;
+
+ while (QM_EQE_PHASE(eqe) == qm->status.eqc_phase) {
+ eqe_num++;
+ qp = qm_to_hisi_qp(qm, eqe);
+ if (qp)
+ queue_work(qp->wq, &qp->work);
+
+ if (qm->status.eq_head == QM_Q_DEPTH - 1) {
+ qm->status.eqc_phase = !qm->status.eqc_phase;
+ eqe = qm->eqe;
+ qm->status.eq_head = 0;
+ } else {
+ eqe++;
+ qm->status.eq_head++;
+ }
+
+ if (eqe_num == QM_Q_DEPTH / 2 - 1) {
+ eqe_num = 0;
+ qm_db(qm, 0, QM_DOORBELL_CMD_EQ, qm->status.eq_head, 0);
+ }
+ }
+
+ qm_db(qm, 0, QM_DOORBELL_CMD_EQ, qm->status.eq_head, 0);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t qm_irq(int irq, void *data)
+{
+ struct hisi_qm *qm = data;
+
+ if (readl(qm->io_base + QM_VF_EQ_INT_SOURCE))
+ return qm_irq_handler(irq, data);
+
+ dev_err(&qm->pdev->dev, "invalid int source\n");
+ qm_db(qm, 0, QM_DOORBELL_CMD_EQ, qm->status.eq_head, 0);
+
+ return IRQ_NONE;
+}
+
+static irqreturn_t qm_aeq_irq(int irq, void *data)
+{
+ struct hisi_qm *qm = data;
+ struct qm_aeqe *aeqe = qm->aeqe + qm->status.aeq_head;
+ u32 type;
+
+ if (!readl(qm->io_base + QM_VF_AEQ_INT_SOURCE))
+ return IRQ_NONE;
+
+ while (QM_AEQE_PHASE(aeqe) == qm->status.aeqc_phase) {
+ type = aeqe->dw0 >> QM_AEQE_TYPE_SHIFT;
+ if (type < ARRAY_SIZE(qm_fifo_overflow))
+ dev_err(&qm->pdev->dev, "%s overflow\n",
+ qm_fifo_overflow[type]);
+ else
+ dev_err(&qm->pdev->dev, "unknown error type %d\n",
+ type);
+
+ if (qm->status.aeq_head == QM_Q_DEPTH - 1) {
+ qm->status.aeqc_phase = !qm->status.aeqc_phase;
+ aeqe = qm->aeqe;
+ qm->status.aeq_head = 0;
+ } else {
+ aeqe++;
+ qm->status.aeq_head++;
+ }
+
+ qm_db(qm, 0, QM_DOORBELL_CMD_AEQ, qm->status.aeq_head, 0);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t qm_abnormal_irq(int irq, void *data)
+{
+ const struct hisi_qm_hw_error *err = qm_hw_error;
+ struct hisi_qm *qm = data;
+ struct device *dev = &qm->pdev->dev;
+ u32 error_status, tmp;
+
+ /* read err sts */
+ tmp = readl(qm->io_base + QM_ABNORMAL_INT_STATUS);
+ error_status = qm->msi_mask & tmp;
+
+ while (err->msg) {
+ if (err->int_msk & error_status)
+ dev_err(dev, "%s [error status=0x%x] found\n",
+ err->msg, err->int_msk);
+
+ err++;
+ }
+
+ /* clear err sts */
+ writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE);
+
+ return IRQ_HANDLED;
+}
+
+static int qm_irq_register(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+
+ ret = request_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR),
+ qm_irq, IRQF_SHARED, qm->dev_name, qm);
+ if (ret)
+ return ret;
+
+ if (qm->ver == QM_HW_V2) {
+ ret = request_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR),
+ qm_aeq_irq, IRQF_SHARED, qm->dev_name, qm);
+ if (ret)
+ goto err_aeq_irq;
+
+ ret = request_irq(pci_irq_vector(pdev,
+ QM_ABNORMAL_EVENT_IRQ_VECTOR),
+ qm_abnormal_irq, IRQF_SHARED,
+ qm->dev_name, qm);
+ if (ret)
+ goto err_abonormal_irq;
+ }
+
+ return 0;
+
+err_abonormal_irq:
+ free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
+err_aeq_irq:
+ free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
+ return ret;
+}
+
+static void qm_irq_unregister(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+
+ free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
+
+ if (qm->ver == QM_HW_V2) {
+ free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
+ free_irq(pci_irq_vector(pdev,
+ QM_ABNORMAL_EVENT_IRQ_VECTOR), qm);
+ }
+}
+
+static void qm_init_qp_status(struct hisi_qp *qp)
+{
+ struct hisi_qp_status *qp_status = &qp->qp_status;
+
+ qp_status->sq_tail = 0;
+ qp_status->cq_head = 0;
+ qp_status->cqc_phase = 1;
+ qp_status->flags = 0;
+}
+
+static void qm_vft_data_cfg(struct hisi_qm *qm, enum vft_type type, u32 base,
+ u32 number)
+{
+ u64 tmp = 0;
+
+ if (number > 0) {
+ switch (type) {
+ case SQC_VFT:
+ switch (qm->ver) {
+ case QM_HW_V1:
+ tmp = QM_SQC_VFT_BUF_SIZE |
+ QM_SQC_VFT_SQC_SIZE |
+ QM_SQC_VFT_INDEX_NUMBER |
+ QM_SQC_VFT_VALID |
+ (u64)base << QM_SQC_VFT_START_SQN_SHIFT;
+ break;
+ case QM_HW_V2:
+ tmp = (u64)base << QM_SQC_VFT_START_SQN_SHIFT |
+ QM_SQC_VFT_VALID |
+ (u64)(number - 1) << QM_SQC_VFT_SQN_SHIFT;
+ break;
+ case QM_HW_UNKNOWN:
+ break;
+ }
+ break;
+ case CQC_VFT:
+ switch (qm->ver) {
+ case QM_HW_V1:
+ tmp = QM_CQC_VFT_BUF_SIZE |
+ QM_CQC_VFT_SQC_SIZE |
+ QM_CQC_VFT_INDEX_NUMBER |
+ QM_CQC_VFT_VALID;
+ break;
+ case QM_HW_V2:
+ tmp = QM_CQC_VFT_VALID;
+ break;
+ case QM_HW_UNKNOWN:
+ break;
+ }
+ break;
+ }
+ }
+
+ writel(lower_32_bits(tmp), qm->io_base + QM_VFT_CFG_DATA_L);
+ writel(upper_32_bits(tmp), qm->io_base + QM_VFT_CFG_DATA_H);
+}
+
+static int qm_set_vft_common(struct hisi_qm *qm, enum vft_type type,
+ u32 fun_num, u32 base, u32 number)
+{
+ unsigned int val;
+ int ret;
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + QM_VFT_CFG_RDY, val,
+ val & BIT(0), 10, 1000);
+ if (ret)
+ return ret;
+
+ writel(0x0, qm->io_base + QM_VFT_CFG_OP_WR);
+ writel(type, qm->io_base + QM_VFT_CFG_TYPE);
+ writel(fun_num, qm->io_base + QM_VFT_CFG);
+
+ qm_vft_data_cfg(qm, type, base, number);
+
+ writel(0x0, qm->io_base + QM_VFT_CFG_RDY);
+ writel(0x1, qm->io_base + QM_VFT_CFG_OP_ENABLE);
+
+ return readl_relaxed_poll_timeout(qm->io_base + QM_VFT_CFG_RDY, val,
+ val & BIT(0), 10, 1000);
+}
+
+/* The config should be conducted after qm_dev_mem_reset() */
+static int qm_set_sqc_cqc_vft(struct hisi_qm *qm, u32 fun_num, u32 base,
+ u32 number)
+{
+ int ret, i;
+
+ for (i = SQC_VFT; i <= CQC_VFT; i++) {
+ ret = qm_set_vft_common(qm, i, fun_num, base, number);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
+ u32 msi)
+{
+ dev_info(&qm->pdev->dev,
+ "QM v%d does not support hw error handle\n", qm->ver);
+
+ writel(QM_ABNORMAL_INT_MASK_VALUE, qm->io_base + QM_ABNORMAL_INT_MASK);
+}
+
+static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
+ u32 msi)
+{
+ u32 irq_enable = ce | nfe | fe | msi;
+ u32 irq_unmask = ~irq_enable;
+
+ qm->error_mask = ce | nfe | fe;
+ qm->msi_mask = msi;
+
+ /* configure error type */
+ writel(ce, qm->io_base + QM_RAS_CE_ENABLE);
+ writel(QM_RAS_CE_TIMES_PER_IRQ, qm->io_base + QM_RAS_CE_THRESHOLD);
+ writel(nfe, qm->io_base + QM_RAS_NFE_ENABLE);
+ writel(fe, qm->io_base + QM_RAS_FE_ENABLE);
+
+ /* use RAS irq default, so only set QM_RAS_MSI_INT_SEL for MSI */
+ writel(msi, qm->io_base + QM_RAS_MSI_INT_SEL);
+
+ irq_unmask &= readl(qm->io_base + QM_ABNORMAL_INT_MASK);
+ writel(irq_unmask, qm->io_base + QM_ABNORMAL_INT_MASK);
+}
+
+static void qm_log_hw_error(struct hisi_qm *qm, u32 error_status)
+{
+ const struct hisi_qm_hw_error *err = qm_hw_error;
+ struct device *dev = &qm->pdev->dev;
+ u32 reg_val, type, vf_num;
+
+ while (err->msg) {
+ if (err->int_msk & error_status) {
+ dev_err(dev, "%s [error status=0x%x] found\n",
+ err->msg, err->int_msk);
+
+ if (error_status & QM_DB_TIMEOUT) {
+ reg_val = readl(qm->io_base +
+ QM_ABNORMAL_INF01);
+ type = (reg_val & QM_DB_TIMEOUT_TYPE) >>
+ QM_DB_TIMEOUT_TYPE_SHIFT;
+ vf_num = reg_val & QM_DB_TIMEOUT_VF;
+ dev_err(dev, "qm %s doorbell timeout in function %u\n",
+ qm_db_timeout[type], vf_num);
+ }
+
+ if (error_status & QM_OF_FIFO_OF) {
+ reg_val = readl(qm->io_base +
+ QM_ABNORMAL_INF00);
+ type = (reg_val & QM_FIFO_OVERFLOW_TYPE) >>
+ QM_FIFO_OVERFLOW_TYPE_SHIFT;
+ vf_num = reg_val & QM_FIFO_OVERFLOW_VF;
+
+ if (type < ARRAY_SIZE(qm_fifo_overflow))
+ dev_err(dev, "qm %s fifo overflow in function %u\n",
+ qm_fifo_overflow[type],
+ vf_num);
+ else
+ dev_err(dev, "unknown error type\n");
+ }
+ }
+ err++;
+ }
+}
+
+static pci_ers_result_t qm_hw_error_handle_v2(struct hisi_qm *qm)
+{
+ u32 error_status, tmp;
+
+ /* read err sts */
+ tmp = readl(qm->io_base + QM_ABNORMAL_INT_STATUS);
+ error_status = qm->error_mask & tmp;
+
+ if (error_status) {
+ qm_log_hw_error(qm, error_status);
+
+ /* clear err sts */
+ writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE);
+
+ return PCI_ERS_RESULT_NEED_RESET;
+ }
+
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+static const struct hisi_qm_hw_ops qm_hw_ops_v1 = {
+ .qm_db = qm_db_v1,
+ .get_irq_num = qm_get_irq_num_v1,
+ .hw_error_init = qm_hw_error_init_v1,
+};
+
+static const struct hisi_qm_hw_ops qm_hw_ops_v2 = {
+ .qm_db = qm_db_v2,
+ .get_irq_num = qm_get_irq_num_v2,
+ .hw_error_init = qm_hw_error_init_v2,
+ .hw_error_handle = qm_hw_error_handle_v2,
+};
+
+static void *qm_get_avail_sqe(struct hisi_qp *qp)
+{
+ struct hisi_qp_status *qp_status = &qp->qp_status;
+ u16 sq_tail = qp_status->sq_tail;
+
+ if (unlikely(atomic_read(&qp->qp_status.used) == QM_Q_DEPTH))
+ return NULL;
+
+ return qp->sqe + sq_tail * qp->qm->sqe_size;
+}
+
+/**
+ * hisi_qm_create_qp() - Create a queue pair from qm.
+ * @qm: The qm we create a qp from.
+ * @alg_type: Accelerator specific algorithm type in sqc.
+ *
+ * return created qp, -EBUSY if all qps in qm allocated, -ENOMEM if allocating
+ * qp memory fails.
+ */
+struct hisi_qp *hisi_qm_create_qp(struct hisi_qm *qm, u8 alg_type)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct hisi_qp *qp;
+ int qp_id, ret;
+
+ qp = kzalloc(sizeof(*qp), GFP_KERNEL);
+ if (!qp)
+ return ERR_PTR(-ENOMEM);
+
+ write_lock(&qm->qps_lock);
+
+ qp_id = find_first_zero_bit(qm->qp_bitmap, qm->qp_num);
+ if (qp_id >= qm->qp_num) {
+ write_unlock(&qm->qps_lock);
+ dev_info(&qm->pdev->dev, "QM all queues are busy!\n");
+ ret = -EBUSY;
+ goto err_free_qp;
+ }
+ set_bit(qp_id, qm->qp_bitmap);
+ qm->qp_array[qp_id] = qp;
+
+ write_unlock(&qm->qps_lock);
+
+ qp->qm = qm;
+
+ if (qm->use_dma_api) {
+ qp->qdma.size = qm->sqe_size * QM_Q_DEPTH +
+ sizeof(struct qm_cqe) * QM_Q_DEPTH;
+ qp->qdma.va = dma_alloc_coherent(dev, qp->qdma.size,
+ &qp->qdma.dma, GFP_KERNEL);
+ if (!qp->qdma.va) {
+ ret = -ENOMEM;
+ goto err_clear_bit;
+ }
+
+ dev_dbg(dev, "allocate qp dma buf(va=%pK, dma=%pad, size=%lx)\n",
+ qp->qdma.va, &qp->qdma.dma, qp->qdma.size);
+ }
+
+ qp->qp_id = qp_id;
+ qp->alg_type = alg_type;
+ INIT_WORK(&qp->work, qm_qp_work_func);
+ qp->wq = alloc_workqueue("hisi_qm", WQ_UNBOUND | WQ_HIGHPRI |
+ WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM, 0);
+ if (!qp->wq) {
+ ret = -EFAULT;
+ goto err_free_qp_mem;
+ }
+
+ return qp;
+
+err_free_qp_mem:
+ if (qm->use_dma_api)
+ dma_free_coherent(dev, qp->qdma.size, qp->qdma.va,
+ qp->qdma.dma);
+err_clear_bit:
+ write_lock(&qm->qps_lock);
+ qm->qp_array[qp_id] = NULL;
+ clear_bit(qp_id, qm->qp_bitmap);
+ write_unlock(&qm->qps_lock);
+err_free_qp:
+ kfree(qp);
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_create_qp);
+
+/**
+ * hisi_qm_release_qp() - Release a qp back to its qm.
+ * @qp: The qp we want to release.
+ *
+ * This function releases the resource of a qp.
+ */
+void hisi_qm_release_qp(struct hisi_qp *qp)
+{
+ struct hisi_qm *qm = qp->qm;
+ struct qm_dma *qdma = &qp->qdma;
+ struct device *dev = &qm->pdev->dev;
+
+ if (qm->use_dma_api && qdma->va)
+ dma_free_coherent(dev, qdma->size, qdma->va, qdma->dma);
+
+ write_lock(&qm->qps_lock);
+ qm->qp_array[qp->qp_id] = NULL;
+ clear_bit(qp->qp_id, qm->qp_bitmap);
+ write_unlock(&qm->qps_lock);
+
+ kfree(qp);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_release_qp);
+
+static int qm_qp_ctx_cfg(struct hisi_qp *qp, int qp_id, int pasid)
+{
+ struct hisi_qm *qm = qp->qm;
+ struct device *dev = &qm->pdev->dev;
+ enum qm_hw_ver ver = qm->ver;
+ struct qm_sqc *sqc;
+ struct qm_cqc *cqc;
+ dma_addr_t sqc_dma;
+ dma_addr_t cqc_dma;
+ int ret;
+
+ qm_init_qp_status(qp);
+
+ sqc = kzalloc(sizeof(struct qm_sqc), GFP_KERNEL);
+ if (!sqc)
+ return -ENOMEM;
+ sqc_dma = dma_map_single(dev, sqc, sizeof(struct qm_sqc),
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, sqc_dma)) {
+ kfree(sqc);
+ return -ENOMEM;
+ }
+
+ INIT_QC_COMMON(sqc, qp->sqe_dma, pasid);
+ if (ver == QM_HW_V1) {
+ sqc->dw3 = QM_MK_SQC_DW3_V1(0, 0, 0, qm->sqe_size);
+ sqc->w8 = QM_Q_DEPTH - 1;
+ } else if (ver == QM_HW_V2) {
+ sqc->dw3 = QM_MK_SQC_DW3_V2(qm->sqe_size);
+ sqc->w8 = 0; /* rand_qc */
+ }
+ sqc->cq_num = qp_id;
+ sqc->w13 = QM_MK_SQC_W13(0, 1, qp->alg_type);
+
+ ret = qm_mb(qm, QM_MB_CMD_SQC, sqc_dma, qp_id, 0);
+ dma_unmap_single(dev, sqc_dma, sizeof(struct qm_sqc), DMA_TO_DEVICE);
+ kfree(sqc);
+ if (ret)
+ return ret;
+
+ cqc = kzalloc(sizeof(struct qm_cqc), GFP_KERNEL);
+ if (!cqc)
+ return -ENOMEM;
+ cqc_dma = dma_map_single(dev, cqc, sizeof(struct qm_cqc),
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, cqc_dma)) {
+ kfree(cqc);
+ return -ENOMEM;
+ }
+
+ INIT_QC_COMMON(cqc, qp->cqe_dma, pasid);
+ if (ver == QM_HW_V1) {
+ cqc->dw3 = QM_MK_CQC_DW3_V1(0, 0, 0, 4);
+ cqc->w8 = QM_Q_DEPTH - 1;
+ } else if (ver == QM_HW_V2) {
+ cqc->dw3 = QM_MK_CQC_DW3_V2(4);
+ cqc->w8 = 0;
+ }
+ cqc->dw6 = 1 << QM_CQ_PHASE_SHIFT | 1 << QM_CQ_FLAG_SHIFT;
+
+ ret = qm_mb(qm, QM_MB_CMD_CQC, cqc_dma, qp_id, 0);
+ dma_unmap_single(dev, cqc_dma, sizeof(struct qm_cqc), DMA_TO_DEVICE);
+ kfree(cqc);
+
+ return ret;
+}
+
+/**
+ * hisi_qm_start_qp() - Start a qp into running.
+ * @qp: The qp we want to start to run.
+ * @arg: Accelerator specific argument.
+ *
+ * After this function, qp can receive request from user. Return qp_id if
+ * successful, Return -EBUSY if failed.
+ */
+int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg)
+{
+ struct hisi_qm *qm = qp->qm;
+ struct device *dev = &qm->pdev->dev;
+ enum qm_hw_ver ver = qm->ver;
+ int qp_id = qp->qp_id;
+ int pasid = arg;
+ size_t off = 0;
+ int ret;
+
+#define QP_INIT_BUF(qp, type, size) do { \
+ (qp)->type = ((qp)->qdma.va + (off)); \
+ (qp)->type##_dma = (qp)->qdma.dma + (off); \
+ off += (size); \
+} while (0)
+
+ if (!qp->qdma.dma) {
+ dev_err(dev, "cannot get qm dma buffer\n");
+ return -EINVAL;
+ }
+
+ /* sq need 128 bytes alignment */
+ if (qp->qdma.dma & QM_SQE_DATA_ALIGN_MASK) {
+ dev_err(dev, "qm sq is not aligned to 128 byte\n");
+ return -EINVAL;
+ }
+
+ QP_INIT_BUF(qp, sqe, qm->sqe_size * QM_Q_DEPTH);
+ QP_INIT_BUF(qp, cqe, sizeof(struct qm_cqe) * QM_Q_DEPTH);
+
+ dev_dbg(dev, "init qp buffer(v%d):\n"
+ " sqe (%pK, %lx)\n"
+ " cqe (%pK, %lx)\n",
+ ver, qp->sqe, (unsigned long)qp->sqe_dma,
+ qp->cqe, (unsigned long)qp->cqe_dma);
+
+ ret = qm_qp_ctx_cfg(qp, qp_id, pasid);
+ if (ret)
+ return ret;
+
+ dev_dbg(dev, "queue %d started\n", qp_id);
+
+ return qp_id;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_start_qp);
+
+/**
+ * hisi_qm_stop_qp() - Stop a qp in qm.
+ * @qp: The qp we want to stop.
+ *
+ * This function is reverse of hisi_qm_start_qp. Return 0 if successful.
+ */
+int hisi_qm_stop_qp(struct hisi_qp *qp)
+{
+ struct device *dev = &qp->qm->pdev->dev;
+ int i = 0;
+
+ /* it is stopped */
+ if (test_bit(QP_STOP, &qp->qp_status.flags))
+ return 0;
+
+ while (atomic_read(&qp->qp_status.used)) {
+ i++;
+ msleep(20);
+ if (i == 10) {
+ dev_err(dev, "Cannot drain out data for stopping, Force to stop!\n");
+ return 0;
+ }
+ }
+
+ set_bit(QP_STOP, &qp->qp_status.flags);
+
+ dev_dbg(dev, "stop queue %u!", qp->qp_id);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_stop_qp);
+
+/**
+ * hisi_qp_send() - Queue up a task in the hardware queue.
+ * @qp: The qp in which to put the message.
+ * @msg: The message.
+ *
+ * This function will return -EBUSY if qp is currently full, and -EAGAIN
+ * if qp related qm is resetting.
+ */
+int hisi_qp_send(struct hisi_qp *qp, const void *msg)
+{
+ struct hisi_qp_status *qp_status = &qp->qp_status;
+ u16 sq_tail = qp_status->sq_tail;
+ u16 sq_tail_next = (sq_tail + 1) % QM_Q_DEPTH;
+ void *sqe = qm_get_avail_sqe(qp);
+
+ if (unlikely(test_bit(QP_STOP, &qp->qp_status.flags))) {
+ dev_info(&qp->qm->pdev->dev, "QP is stopped or resetting\n");
+ return -EAGAIN;
+ }
+
+ if (!sqe)
+ return -EBUSY;
+
+ memcpy(sqe, msg, qp->qm->sqe_size);
+
+ qm_db(qp->qm, qp->qp_id, QM_DOORBELL_CMD_SQ, sq_tail_next, 0);
+ atomic_inc(&qp->qp_status.used);
+ qp_status->sq_tail = sq_tail_next;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_qp_send);
+
+static void hisi_qm_cache_wb(struct hisi_qm *qm)
+{
+ unsigned int val;
+
+ if (qm->ver == QM_HW_V2) {
+ writel(0x1, qm->io_base + QM_CACHE_WB_START);
+ if (readl_relaxed_poll_timeout(qm->io_base + QM_CACHE_WB_DONE,
+ val, val & BIT(0), 10, 1000))
+ dev_err(&qm->pdev->dev, "QM writeback sqc cache fail!\n");
+ }
+}
+
+/**
+ * hisi_qm_init() - Initialize configures about qm.
+ * @qm: The qm needing init.
+ *
+ * This function init qm, then we can call hisi_qm_start to put qm into work.
+ */
+int hisi_qm_init(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ struct device *dev = &pdev->dev;
+ unsigned int num_vec;
+ int ret;
+
+ switch (qm->ver) {
+ case QM_HW_V1:
+ qm->ops = &qm_hw_ops_v1;
+ break;
+ case QM_HW_V2:
+ qm->ops = &qm_hw_ops_v2;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = pci_enable_device_mem(pdev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to enable device mem!\n");
+ return ret;
+ }
+
+ ret = pci_request_mem_regions(pdev, qm->dev_name);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to request mem regions!\n");
+ goto err_disable_pcidev;
+ }
+
+ qm->io_base = ioremap(pci_resource_start(pdev, PCI_BAR_2),
+ pci_resource_len(qm->pdev, PCI_BAR_2));
+ if (!qm->io_base) {
+ ret = -EIO;
+ goto err_release_mem_regions;
+ }
+
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+ if (ret < 0)
+ goto err_iounmap;
+ pci_set_master(pdev);
+
+ if (!qm->ops->get_irq_num) {
+ ret = -EOPNOTSUPP;
+ goto err_iounmap;
+ }
+ num_vec = qm->ops->get_irq_num(qm);
+ ret = pci_alloc_irq_vectors(pdev, num_vec, num_vec, PCI_IRQ_MSI);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enable MSI vectors!\n");
+ goto err_iounmap;
+ }
+
+ ret = qm_irq_register(qm);
+ if (ret)
+ goto err_free_irq_vectors;
+
+ mutex_init(&qm->mailbox_lock);
+ rwlock_init(&qm->qps_lock);
+
+ return 0;
+
+err_free_irq_vectors:
+ pci_free_irq_vectors(pdev);
+err_iounmap:
+ iounmap(qm->io_base);
+err_release_mem_regions:
+ pci_release_mem_regions(pdev);
+err_disable_pcidev:
+ pci_disable_device(pdev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_init);
+
+/**
+ * hisi_qm_uninit() - Uninitialize qm.
+ * @qm: The qm needed uninit.
+ *
+ * This function uninits qm related device resources.
+ */
+void hisi_qm_uninit(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ struct device *dev = &pdev->dev;
+
+ if (qm->use_dma_api && qm->qdma.va) {
+ hisi_qm_cache_wb(qm);
+ dma_free_coherent(dev, qm->qdma.size,
+ qm->qdma.va, qm->qdma.dma);
+ memset(&qm->qdma, 0, sizeof(qm->qdma));
+ }
+
+ qm_irq_unregister(qm);
+ pci_free_irq_vectors(pdev);
+ iounmap(qm->io_base);
+ pci_release_mem_regions(pdev);
+ pci_disable_device(pdev);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_uninit);
+
+/**
+ * hisi_qm_set_vft() - Set "virtual function table" for a qm.
+ * @fun_num: Number of operated function.
+ * @qm: The qm in which to set vft, alway in a PF.
+ * @base: The base number of queue in vft.
+ * @number: The number of queues in vft. 0 means invalid vft.
+ *
+ * This function is alway called in PF driver, it is used to assign queues
+ * among PF and VFs.
+ *
+ * Assign queues A~B to PF: hisi_qm_set_vft(qm, 0, A, B - A + 1)
+ * Assign queues A~B to VF: hisi_qm_set_vft(qm, 2, A, B - A + 1)
+ * (VF function number 0x2)
+ */
+int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base,
+ u32 number)
+{
+ u32 max_q_num = qm->ctrl_qp_num;
+
+ if (base >= max_q_num || number > max_q_num ||
+ (base + number) > max_q_num)
+ return -EINVAL;
+
+ return qm_set_sqc_cqc_vft(qm, fun_num, base, number);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_set_vft);
+
+static void qm_init_eq_aeq_status(struct hisi_qm *qm)
+{
+ struct hisi_qm_status *status = &qm->status;
+
+ status->eq_head = 0;
+ status->aeq_head = 0;
+ status->eqc_phase = 1;
+ status->aeqc_phase = 1;
+}
+
+static int qm_eq_ctx_cfg(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct qm_eqc *eqc;
+ struct qm_aeqc *aeqc;
+ dma_addr_t eqc_dma;
+ dma_addr_t aeqc_dma;
+ int ret;
+
+ qm_init_eq_aeq_status(qm);
+
+ eqc = kzalloc(sizeof(struct qm_eqc), GFP_KERNEL);
+ if (!eqc)
+ return -ENOMEM;
+ eqc_dma = dma_map_single(dev, eqc, sizeof(struct qm_eqc),
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, eqc_dma)) {
+ kfree(eqc);
+ return -ENOMEM;
+ }
+
+ eqc->base_l = lower_32_bits(qm->eqe_dma);
+ eqc->base_h = upper_32_bits(qm->eqe_dma);
+ if (qm->ver == QM_HW_V1)
+ eqc->dw3 = QM_EQE_AEQE_SIZE;
+ eqc->dw6 = (QM_Q_DEPTH - 1) | (1 << QM_EQC_PHASE_SHIFT);
+ ret = qm_mb(qm, QM_MB_CMD_EQC, eqc_dma, 0, 0);
+ dma_unmap_single(dev, eqc_dma, sizeof(struct qm_eqc), DMA_TO_DEVICE);
+ kfree(eqc);
+ if (ret)
+ return ret;
+
+ aeqc = kzalloc(sizeof(struct qm_aeqc), GFP_KERNEL);
+ if (!aeqc)
+ return -ENOMEM;
+ aeqc_dma = dma_map_single(dev, aeqc, sizeof(struct qm_aeqc),
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, aeqc_dma)) {
+ kfree(aeqc);
+ return -ENOMEM;
+ }
+
+ aeqc->base_l = lower_32_bits(qm->aeqe_dma);
+ aeqc->base_h = upper_32_bits(qm->aeqe_dma);
+ aeqc->dw6 = (QM_Q_DEPTH - 1) | (1 << QM_EQC_PHASE_SHIFT);
+
+ ret = qm_mb(qm, QM_MB_CMD_AEQC, aeqc_dma, 0, 0);
+ dma_unmap_single(dev, aeqc_dma, sizeof(struct qm_aeqc), DMA_TO_DEVICE);
+ kfree(aeqc);
+
+ return ret;
+}
+
+static int __hisi_qm_start(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ struct device *dev = &pdev->dev;
+ size_t off = 0;
+ int ret;
+
+#define QM_INIT_BUF(qm, type, num) do { \
+ (qm)->type = ((qm)->qdma.va + (off)); \
+ (qm)->type##_dma = (qm)->qdma.dma + (off); \
+ off += QMC_ALIGN(sizeof(struct qm_##type) * (num)); \
+} while (0)
+
+ WARN_ON(!qm->qdma.dma);
+
+ if (qm->qp_num == 0)
+ return -EINVAL;
+
+ ret = qm_dev_mem_reset(qm);
+ if (ret)
+ return ret;
+
+ ret = hisi_qm_set_vft(qm, 0, qm->qp_base, qm->qp_num);
+ if (ret)
+ return ret;
+
+ QM_INIT_BUF(qm, eqe, QM_Q_DEPTH);
+ QM_INIT_BUF(qm, aeqe, QM_Q_DEPTH);
+ QM_INIT_BUF(qm, sqc, qm->qp_num);
+ QM_INIT_BUF(qm, cqc, qm->qp_num);
+
+ dev_dbg(dev, "init qm buffer:\n"
+ " eqe (%pK, %lx)\n"
+ " aeqe (%pK, %lx)\n"
+ " sqc (%pK, %lx)\n"
+ " cqc (%pK, %lx)\n",
+ qm->eqe, (unsigned long)qm->eqe_dma,
+ qm->aeqe, (unsigned long)qm->aeqe_dma,
+ qm->sqc, (unsigned long)qm->sqc_dma,
+ qm->cqc, (unsigned long)qm->cqc_dma);
+
+ ret = qm_eq_ctx_cfg(qm);
+ if (ret)
+ return ret;
+
+ ret = qm_mb(qm, QM_MB_CMD_SQC_BT, qm->sqc_dma, 0, 0);
+ if (ret)
+ return ret;
+
+ ret = qm_mb(qm, QM_MB_CMD_CQC_BT, qm->cqc_dma, 0, 0);
+ if (ret)
+ return ret;
+
+ writel(0x0, qm->io_base + QM_VF_EQ_INT_MASK);
+ writel(0x0, qm->io_base + QM_VF_AEQ_INT_MASK);
+
+ return 0;
+}
+
+/**
+ * hisi_qm_start() - start qm
+ * @qm: The qm to be started.
+ *
+ * This function starts a qm, then we can allocate qp from this qm.
+ */
+int hisi_qm_start(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+
+ dev_dbg(dev, "qm start with %d queue pairs\n", qm->qp_num);
+
+ if (!qm->qp_num) {
+ dev_err(dev, "qp_num should not be 0\n");
+ return -EINVAL;
+ }
+
+ if (!qm->qp_bitmap) {
+ qm->qp_bitmap = devm_kcalloc(dev, BITS_TO_LONGS(qm->qp_num),
+ sizeof(long), GFP_KERNEL);
+ qm->qp_array = devm_kcalloc(dev, qm->qp_num,
+ sizeof(struct hisi_qp *),
+ GFP_KERNEL);
+ if (!qm->qp_bitmap || !qm->qp_array)
+ return -ENOMEM;
+ }
+
+ if (!qm->use_dma_api) {
+ dev_dbg(&qm->pdev->dev, "qm delay start\n");
+ return 0;
+ } else if (!qm->qdma.va) {
+ qm->qdma.size = QMC_ALIGN(sizeof(struct qm_eqe) * QM_Q_DEPTH) +
+ QMC_ALIGN(sizeof(struct qm_aeqe) * QM_Q_DEPTH) +
+ QMC_ALIGN(sizeof(struct qm_sqc) * qm->qp_num) +
+ QMC_ALIGN(sizeof(struct qm_cqc) * qm->qp_num);
+ qm->qdma.va = dma_alloc_coherent(dev, qm->qdma.size,
+ &qm->qdma.dma, GFP_KERNEL);
+ dev_dbg(dev, "allocate qm dma buf(va=%pK, dma=%pad, size=%lx)\n",
+ qm->qdma.va, &qm->qdma.dma, qm->qdma.size);
+ if (!qm->qdma.va)
+ return -ENOMEM;
+ }
+
+ return __hisi_qm_start(qm);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_start);
+
+/**
+ * hisi_qm_stop() - Stop a qm.
+ * @qm: The qm which will be stopped.
+ *
+ * This function stops qm and its qps, then qm can not accept request.
+ * Related resources are not released at this state, we can use hisi_qm_start
+ * to let qm start again.
+ */
+int hisi_qm_stop(struct hisi_qm *qm)
+{
+ struct device *dev;
+ struct hisi_qp *qp;
+ int ret = 0, i;
+
+ if (!qm || !qm->pdev) {
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ dev = &qm->pdev->dev;
+
+ /* Mask eq and aeq irq */
+ writel(0x1, qm->io_base + QM_VF_EQ_INT_MASK);
+ writel(0x1, qm->io_base + QM_VF_AEQ_INT_MASK);
+
+ /* Stop all qps belong to this qm */
+ for (i = 0; i < qm->qp_num; i++) {
+ qp = qm->qp_array[i];
+ if (qp) {
+ ret = hisi_qm_stop_qp(qp);
+ if (ret < 0) {
+ dev_err(dev, "Failed to stop qp%d!\n", i);
+ return -EBUSY;
+ }
+ }
+ }
+
+ ret = hisi_qm_set_vft(qm, 0, 0, 0);
+ if (ret < 0)
+ dev_err(dev, "Failed to set vft!\n");
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_stop);
+
+/**
+ * hisi_qm_hw_error_init() - Configure qm hardware error report method.
+ * @qm: The qm which we want to configure.
+ * @ce: Bit mask of correctable error configure.
+ * @nfe: Bit mask of non-fatal error configure.
+ * @fe: Bit mask of fatal error configure.
+ * @msi: Bit mask of error reported by message signal interrupt.
+ *
+ * Hardware errors of qm can be reported either by RAS interrupts which will
+ * be handled by UEFI and then PCIe AER or by device MSI. User can configure
+ * each error to use either of above two methods. For RAS interrupts, we can
+ * configure an error as one of correctable error, non-fatal error or
+ * fatal error.
+ *
+ * Bits indicating errors can be configured to ce, nfe, fe and msi to enable
+ * related report methods. Error report will be masked if related error bit
+ * does not configure.
+ */
+void hisi_qm_hw_error_init(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
+ u32 msi)
+{
+ if (!qm->ops->hw_error_init) {
+ dev_err(&qm->pdev->dev, "QM version %d doesn't support hw error handling!\n",
+ qm->ver);
+ return;
+ }
+
+ qm->ops->hw_error_init(qm, ce, nfe, fe, msi);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_hw_error_init);
+
+/**
+ * hisi_qm_hw_error_handle() - Handle qm non-fatal hardware errors.
+ * @qm: The qm which has non-fatal hardware errors.
+ *
+ * Accelerators use this function to handle qm non-fatal hardware errors.
+ */
+int hisi_qm_hw_error_handle(struct hisi_qm *qm)
+{
+ if (!qm->ops->hw_error_handle) {
+ dev_err(&qm->pdev->dev, "QM version %d doesn't support hw error report!\n",
+ qm->ver);
+ return PCI_ERS_RESULT_NONE;
+ }
+
+ return qm->ops->hw_error_handle(qm);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_hw_error_handle);
+
+/**
+ * hisi_qm_get_hw_version() - Get hardware version of a qm.
+ * @pdev: The device which hardware version we want to get.
+ *
+ * This function gets the hardware version of a qm. Return QM_HW_UNKNOWN
+ * if the hardware version is not supported.
+ */
+enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev)
+{
+ switch (pdev->revision) {
+ case QM_HW_V1:
+ case QM_HW_V2:
+ return pdev->revision;
+ default:
+ return QM_HW_UNKNOWN;
+ }
+}
+EXPORT_SYMBOL_GPL(hisi_qm_get_hw_version);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
+MODULE_DESCRIPTION("HiSilicon Accelerator queue manager driver");
diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
new file mode 100644
index 0000000..a5849db
--- /dev/null
+++ b/drivers/crypto/hisilicon/qm.h
@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 HiSilicon Limited. */
+#ifndef HISI_ACC_QM_H
+#define HISI_ACC_QM_H
+
+#include <linux/bitfield.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+/* qm user domain */
+#define QM_ARUSER_M_CFG_1 0x100088
+#define AXUSER_SNOOP_ENABLE BIT(30)
+#define AXUSER_CMD_TYPE GENMASK(14, 12)
+#define AXUSER_CMD_SMMU_NORMAL 1
+#define AXUSER_NS BIT(6)
+#define AXUSER_NO BIT(5)
+#define AXUSER_FP BIT(4)
+#define AXUSER_SSV BIT(0)
+#define AXUSER_BASE (AXUSER_SNOOP_ENABLE | \
+ FIELD_PREP(AXUSER_CMD_TYPE, \
+ AXUSER_CMD_SMMU_NORMAL) | \
+ AXUSER_NS | AXUSER_NO | AXUSER_FP)
+#define QM_ARUSER_M_CFG_ENABLE 0x100090
+#define ARUSER_M_CFG_ENABLE 0xfffffffe
+#define QM_AWUSER_M_CFG_1 0x100098
+#define QM_AWUSER_M_CFG_ENABLE 0x1000a0
+#define AWUSER_M_CFG_ENABLE 0xfffffffe
+#define QM_WUSER_M_CFG_ENABLE 0x1000a8
+#define WUSER_M_CFG_ENABLE 0xffffffff
+
+/* qm cache */
+#define QM_CACHE_CTL 0x100050
+#define SQC_CACHE_ENABLE BIT(0)
+#define CQC_CACHE_ENABLE BIT(1)
+#define SQC_CACHE_WB_ENABLE BIT(4)
+#define SQC_CACHE_WB_THRD GENMASK(10, 5)
+#define CQC_CACHE_WB_ENABLE BIT(11)
+#define CQC_CACHE_WB_THRD GENMASK(17, 12)
+#define QM_AXI_M_CFG 0x1000ac
+#define AXI_M_CFG 0xffff
+#define QM_AXI_M_CFG_ENABLE 0x1000b0
+#define AXI_M_CFG_ENABLE 0xffffffff
+#define QM_PEH_AXUSER_CFG 0x1000cc
+#define QM_PEH_AXUSER_CFG_ENABLE 0x1000d0
+#define PEH_AXUSER_CFG 0x401001
+#define PEH_AXUSER_CFG_ENABLE 0xffffffff
+
+
+#define QM_AXI_RRESP BIT(0)
+#define QM_AXI_BRESP BIT(1)
+#define QM_ECC_MBIT BIT(2)
+#define QM_ECC_1BIT BIT(3)
+#define QM_ACC_GET_TASK_TIMEOUT BIT(4)
+#define QM_ACC_DO_TASK_TIMEOUT BIT(5)
+#define QM_ACC_WB_NOT_READY_TIMEOUT BIT(6)
+#define QM_SQ_CQ_VF_INVALID BIT(7)
+#define QM_CQ_VF_INVALID BIT(8)
+#define QM_SQ_VF_INVALID BIT(9)
+#define QM_DB_TIMEOUT BIT(10)
+#define QM_OF_FIFO_OF BIT(11)
+#define QM_DB_RANDOM_INVALID BIT(12)
+
+#define QM_BASE_NFE (QM_AXI_RRESP | QM_AXI_BRESP | QM_ECC_MBIT | \
+ QM_ACC_GET_TASK_TIMEOUT | QM_DB_TIMEOUT | \
+ QM_OF_FIFO_OF)
+#define QM_BASE_CE QM_ECC_1BIT
+
+#define QM_Q_DEPTH 1024
+
+enum qp_state {
+ QP_STOP,
+};
+
+enum qm_hw_ver {
+ QM_HW_UNKNOWN = -1,
+ QM_HW_V1 = 0x20,
+ QM_HW_V2 = 0x21,
+};
+
+enum qm_fun_type {
+ QM_HW_PF,
+};
+
+struct qm_dma {
+ void *va;
+ dma_addr_t dma;
+ size_t size;
+};
+
+struct hisi_qm_status {
+ u32 eq_head;
+ bool eqc_phase;
+ u32 aeq_head;
+ bool aeqc_phase;
+ unsigned long flags;
+};
+
+struct hisi_qm {
+ enum qm_hw_ver ver;
+ const char *dev_name;
+ struct pci_dev *pdev;
+ void __iomem *io_base;
+ u32 sqe_size;
+ u32 qp_base;
+ u32 qp_num;
+ u32 ctrl_qp_num;
+
+ struct qm_dma qdma;
+ struct qm_sqc *sqc;
+ struct qm_cqc *cqc;
+ struct qm_eqe *eqe;
+ struct qm_aeqe *aeqe;
+ dma_addr_t sqc_dma;
+ dma_addr_t cqc_dma;
+ dma_addr_t eqe_dma;
+ dma_addr_t aeqe_dma;
+
+ struct hisi_qm_status status;
+
+ rwlock_t qps_lock;
+ unsigned long *qp_bitmap;
+ struct hisi_qp **qp_array;
+
+ struct mutex mailbox_lock;
+
+ const struct hisi_qm_hw_ops *ops;
+
+ u32 error_mask;
+ u32 msi_mask;
+
+ bool use_dma_api;
+};
+
+struct hisi_qp_status {
+ atomic_t used;
+ u16 sq_tail;
+ u16 cq_head;
+ bool cqc_phase;
+ unsigned long flags;
+};
+
+struct hisi_qp_ops {
+ int (*fill_sqe)(void *sqe, void *q_parm, void *d_parm);
+};
+
+struct hisi_qp {
+ u32 qp_id;
+ u8 alg_type;
+ u8 req_type;
+
+ struct qm_dma qdma;
+ void *sqe;
+ struct qm_cqe *cqe;
+ dma_addr_t sqe_dma;
+ dma_addr_t cqe_dma;
+
+ struct hisi_qp_status qp_status;
+ struct hisi_qp_ops *hw_ops;
+ void *qp_ctx;
+ void (*req_cb)(struct hisi_qp *qp, void *data);
+ struct work_struct work;
+ struct workqueue_struct *wq;
+
+ struct hisi_qm *qm;
+};
+
+int hisi_qm_init(struct hisi_qm *qm);
+void hisi_qm_uninit(struct hisi_qm *qm);
+int hisi_qm_start(struct hisi_qm *qm);
+int hisi_qm_stop(struct hisi_qm *qm);
+struct hisi_qp *hisi_qm_create_qp(struct hisi_qm *qm, u8 alg_type);
+int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg);
+int hisi_qm_stop_qp(struct hisi_qp *qp);
+void hisi_qm_release_qp(struct hisi_qp *qp);
+int hisi_qp_send(struct hisi_qp *qp, const void *msg);
+int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base, u32 number);
+void hisi_qm_hw_error_init(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
+ u32 msi);
+int hisi_qm_hw_error_handle(struct hisi_qm *qm);
+enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
+#endif
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v3 2/7] crypto: hisilicon - add hardware SGL support
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
2019-08-02 7:57 ` [PATCH v3 1/7] crypto: hisilicon - add queue management driver for HiSilicon QM module Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-02 7:57 ` [PATCH v3 3/7] crypto: hisilicon - add HiSilicon ZIP accelerator support Zhou Wang
` (6 subsequent siblings)
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto; +Cc: linuxarm, linux-kernel, Zhou Wang
HiSilicon accelerators in Hip08 use same hardware scatterlist for data format.
We support it in this module.
Specific accelerator drivers can use hisi_acc_create_sgl_pool to allocate
hardware SGLs ahead. Then use hisi_acc_sg_buf_map_to_hw_sgl to get one
hardware SGL and pass related information to hardware SGL.
The DMA address of mapped hardware SGL can be passed to SGL src/dst field
in QM SQE.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
---
drivers/crypto/hisilicon/Kconfig | 8 ++
drivers/crypto/hisilicon/Makefile | 1 +
drivers/crypto/hisilicon/sgl.c | 214 ++++++++++++++++++++++++++++++++++++++
drivers/crypto/hisilicon/sgl.h | 24 +++++
4 files changed, 247 insertions(+)
create mode 100644 drivers/crypto/hisilicon/sgl.c
create mode 100644 drivers/crypto/hisilicon/sgl.h
diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig
index b79be8d..457d9bc 100644
--- a/drivers/crypto/hisilicon/Kconfig
+++ b/drivers/crypto/hisilicon/Kconfig
@@ -19,3 +19,11 @@ config CRYPTO_DEV_HISI_QM
help
HiSilicon accelerator engines use a common queue management
interface. Specific engine driver may use this module.
+
+config CRYPTO_HISI_SGL
+ tristate
+ depends on ARM64
+ help
+ HiSilicon accelerator engines use a common hardware scatterlist
+ interface for data format. Specific engine driver may use this
+ module.
diff --git a/drivers/crypto/hisilicon/Makefile b/drivers/crypto/hisilicon/Makefile
index 05e9052..96cb913 100644
--- a/drivers/crypto/hisilicon/Makefile
+++ b/drivers/crypto/hisilicon/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_CRYPTO_DEV_HISI_SEC) += sec/
obj-$(CONFIG_CRYPTO_DEV_HISI_QM) += qm.o
+obj-$(CONFIG_CRYPTO_HISI_SGL) += sgl.o
diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c
new file mode 100644
index 0000000..8ef7679
--- /dev/null
+++ b/drivers/crypto/hisilicon/sgl.c
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include "./sgl.h"
+
+#define HISI_ACC_SGL_SGE_NR_MIN 1
+#define HISI_ACC_SGL_SGE_NR_MAX 255
+#define HISI_ACC_SGL_SGE_NR_DEF 10
+#define HISI_ACC_SGL_NR_MAX 256
+#define HISI_ACC_SGL_ALIGN_SIZE 64
+
+static int acc_sgl_sge_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 > HISI_ACC_SGL_SGE_NR_MAX || n == 0)
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
+static const struct kernel_param_ops acc_sgl_sge_ops = {
+ .set = acc_sgl_sge_set,
+ .get = param_get_int,
+};
+
+static u32 acc_sgl_sge_nr = HISI_ACC_SGL_SGE_NR_DEF;
+module_param_cb(acc_sgl_sge_nr, &acc_sgl_sge_ops, &acc_sgl_sge_nr, 0444);
+MODULE_PARM_DESC(acc_sgl_sge_nr, "Number of sge in sgl(1-255)");
+
+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 hisi_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 hisi_acc_hw_sgl *next;
+ struct acc_hw_sge sge_entries[];
+} __aligned(1);
+
+/**
+ * hisi_acc_create_sgl_pool() - Create a hw sgl pool.
+ * @dev: The device which hw sgl pool belongs to.
+ * @pool: Pointer of pool.
+ * @count: Count of hisi_acc_hw_sgl in pool.
+ *
+ * This function creates a hw sgl pool, after this user can get hw sgl memory
+ * from it.
+ */
+int hisi_acc_create_sgl_pool(struct device *dev,
+ struct hisi_acc_sgl_pool *pool, u32 count)
+{
+ u32 sgl_size;
+ u32 size;
+
+ if (!dev || !pool || !count)
+ return -EINVAL;
+
+ sgl_size = sizeof(struct acc_hw_sge) * acc_sgl_sge_nr +
+ sizeof(struct hisi_acc_hw_sgl);
+ size = sgl_size * count;
+
+ pool->sgl = dma_alloc_coherent(dev, size, &pool->sgl_dma, GFP_KERNEL);
+ if (!pool->sgl)
+ return -ENOMEM;
+
+ pool->size = size;
+ pool->count = count;
+ pool->sgl_size = sgl_size;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_acc_create_sgl_pool);
+
+/**
+ * hisi_acc_free_sgl_pool() - Free a hw sgl pool.
+ * @dev: The device which hw sgl pool belongs to.
+ * @pool: Pointer of pool.
+ *
+ * This function frees memory of a hw sgl pool.
+ */
+void hisi_acc_free_sgl_pool(struct device *dev, struct hisi_acc_sgl_pool *pool)
+{
+ dma_free_coherent(dev, pool->size, pool->sgl, pool->sgl_dma);
+ memset(pool, 0, sizeof(struct hisi_acc_sgl_pool));
+}
+EXPORT_SYMBOL_GPL(hisi_acc_free_sgl_pool);
+
+struct hisi_acc_hw_sgl *acc_get_sgl(struct hisi_acc_sgl_pool *pool, u32 index,
+ dma_addr_t *hw_sgl_dma)
+{
+ if (!pool || !hw_sgl_dma || index >= pool->count || !pool->sgl)
+ return ERR_PTR(-EINVAL);
+
+ *hw_sgl_dma = pool->sgl_dma + pool->sgl_size * index;
+ return (void *)pool->sgl + pool->sgl_size * index;
+}
+
+void acc_put_sgl(struct hisi_acc_sgl_pool *pool, u32 index) {}
+
+static void sg_map_to_hw_sg(struct scatterlist *sgl,
+ struct acc_hw_sge *hw_sge)
+{
+ hw_sge->buf = sgl->dma_address;
+ hw_sge->len = sgl->dma_length;
+}
+
+static void inc_hw_sgl_sge(struct hisi_acc_hw_sgl *hw_sgl)
+{
+ hw_sgl->entry_sum_in_sgl++;
+}
+
+static void update_hw_sgl_sum_sge(struct hisi_acc_hw_sgl *hw_sgl, u16 sum)
+{
+ hw_sgl->entry_sum_in_chain = sum;
+}
+
+/**
+ * hisi_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.
+ * @pool: Pool which hw sgl memory will be allocated in.
+ * @index: Index of hisi_acc_hw_sgl in pool.
+ * @hw_sgl_dma: The dma address of allocated hw sgl.
+ *
+ * This function builds hw sgl according input sgl, user can use hw_sgl_dma
+ * as src/dst in its BD. Only support single hw sgl currently.
+ */
+struct hisi_acc_hw_sgl *
+hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
+ struct scatterlist *sgl,
+ struct hisi_acc_sgl_pool *pool,
+ u32 index, dma_addr_t *hw_sgl_dma)
+{
+ struct hisi_acc_hw_sgl *curr_hw_sgl;
+ dma_addr_t curr_sgl_dma;
+ struct acc_hw_sge *curr_hw_sge;
+ struct scatterlist *sg;
+ int sg_n = sg_nents(sgl);
+ int i, ret;
+
+ if (!dev || !sgl || !pool || !hw_sgl_dma || sg_n > acc_sgl_sge_nr)
+ return ERR_PTR(-EINVAL);
+
+ ret = dma_map_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
+ if (!ret)
+ return ERR_PTR(-EINVAL);
+
+ curr_hw_sgl = acc_get_sgl(pool, index, &curr_sgl_dma);
+ if (!curr_hw_sgl) {
+ ret = -ENOMEM;
+ goto err_unmap_sg;
+ }
+ curr_hw_sgl->entry_length_in_sgl = acc_sgl_sge_nr;
+ curr_hw_sge = curr_hw_sgl->sge_entries;
+
+ for_each_sg(sgl, sg, sg_n, i) {
+ sg_map_to_hw_sg(sg, curr_hw_sge);
+ inc_hw_sgl_sge(curr_hw_sgl);
+ curr_hw_sge++;
+ }
+
+ update_hw_sgl_sum_sge(curr_hw_sgl, acc_sgl_sge_nr);
+ *hw_sgl_dma = curr_sgl_dma;
+
+ return curr_hw_sgl;
+
+err_unmap_sg:
+ dma_unmap_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(hisi_acc_sg_buf_map_to_hw_sgl);
+
+/**
+ * hisi_acc_sg_buf_unmap() - Unmap allocated hw sgl.
+ * @dev: The device which hw sgl belongs to.
+ * @sgl: Related scatterlist.
+ * @hw_sgl: Virtual address of hw sgl.
+ * @hw_sgl_dma: DMA address of hw sgl.
+ * @pool: Pool which hw sgl is allocated in.
+ *
+ * This function unmaps allocated hw sgl.
+ */
+void hisi_acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl,
+ struct hisi_acc_hw_sgl *hw_sgl)
+{
+ dma_unmap_sg(dev, sgl, sg_nents(sgl), DMA_BIDIRECTIONAL);
+
+ hw_sgl->entry_sum_in_chain = 0;
+ hw_sgl->entry_sum_in_sgl = 0;
+ hw_sgl->entry_length_in_sgl = 0;
+}
+EXPORT_SYMBOL_GPL(hisi_acc_sg_buf_unmap);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
+MODULE_DESCRIPTION("HiSilicon Accelerator SGL support");
diff --git a/drivers/crypto/hisilicon/sgl.h b/drivers/crypto/hisilicon/sgl.h
new file mode 100644
index 0000000..3ac8871
--- /dev/null
+++ b/drivers/crypto/hisilicon/sgl.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 HiSilicon Limited. */
+#ifndef HISI_ACC_SGL_H
+#define HISI_ACC_SGL_H
+
+struct hisi_acc_sgl_pool {
+ struct hisi_acc_hw_sgl *sgl;
+ dma_addr_t sgl_dma;
+ size_t size;
+ u32 count;
+ size_t sgl_size;
+};
+
+struct hisi_acc_hw_sgl *
+hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
+ struct scatterlist *sgl,
+ struct hisi_acc_sgl_pool *pool,
+ u32 index, dma_addr_t *hw_sgl_dma);
+void hisi_acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl,
+ struct hisi_acc_hw_sgl *hw_sgl);
+int hisi_acc_create_sgl_pool(struct device *dev, struct hisi_acc_sgl_pool *pool,
+ u32 count);
+void hisi_acc_free_sgl_pool(struct device *dev, struct hisi_acc_sgl_pool *pool);
+#endif
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v3 3/7] crypto: hisilicon - add HiSilicon ZIP accelerator support
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
2019-08-02 7:57 ` [PATCH v3 1/7] crypto: hisilicon - add queue management driver for HiSilicon QM module Zhou Wang
2019-08-02 7:57 ` [PATCH v3 2/7] crypto: hisilicon - add hardware SGL support Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-02 7:57 ` [PATCH v3 4/7] crypto: hisilicon - add SRIOV support for ZIP Zhou Wang
` (5 subsequent siblings)
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto
Cc: linuxarm, linux-kernel, Zhou Wang, Shiju Jose, Kenneth Lee, Hao Fang
The HiSilicon ZIP accelerator implements the zlib and gzip algorithm. It
uses Hisilicon QM as the interface to the CPU.
This patch provides PCIe driver to the accelerator and registers it to
crypto acomp interface. It also uses sgl as data input/output interface.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com>
Signed-off-by: Hao Fang <fanghao11@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
---
drivers/crypto/hisilicon/Kconfig | 8 +
drivers/crypto/hisilicon/Makefile | 1 +
drivers/crypto/hisilicon/zip/Makefile | 2 +
drivers/crypto/hisilicon/zip/zip.h | 71 ++++
drivers/crypto/hisilicon/zip/zip_crypto.c | 651 ++++++++++++++++++++++++++++++
drivers/crypto/hisilicon/zip/zip_main.c | 504 +++++++++++++++++++++++
6 files changed, 1237 insertions(+)
create mode 100644 drivers/crypto/hisilicon/zip/Makefile
create mode 100644 drivers/crypto/hisilicon/zip/zip.h
create mode 100644 drivers/crypto/hisilicon/zip/zip_crypto.c
create mode 100644 drivers/crypto/hisilicon/zip/zip_main.c
diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig
index 457d9bc..1929317 100644
--- a/drivers/crypto/hisilicon/Kconfig
+++ b/drivers/crypto/hisilicon/Kconfig
@@ -27,3 +27,11 @@ config CRYPTO_HISI_SGL
HiSilicon accelerator engines use a common hardware scatterlist
interface for data format. Specific engine driver may use this
module.
+
+config CRYPTO_DEV_HISI_ZIP
+ tristate "Support for HiSilicon ZIP accelerator"
+ select CRYPTO_DEV_HISI_QM
+ select CRYPTO_HISI_SGL
+ select SG_SPLIT
+ help
+ Support for HiSilicon ZIP Driver
diff --git a/drivers/crypto/hisilicon/Makefile b/drivers/crypto/hisilicon/Makefile
index 96cb913..45a2797 100644
--- a/drivers/crypto/hisilicon/Makefile
+++ b/drivers/crypto/hisilicon/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_CRYPTO_DEV_HISI_SEC) += sec/
obj-$(CONFIG_CRYPTO_DEV_HISI_QM) += qm.o
obj-$(CONFIG_CRYPTO_HISI_SGL) += sgl.o
+obj-$(CONFIG_CRYPTO_DEV_HISI_ZIP) += zip/
diff --git a/drivers/crypto/hisilicon/zip/Makefile b/drivers/crypto/hisilicon/zip/Makefile
new file mode 100644
index 0000000..a936f09
--- /dev/null
+++ b/drivers/crypto/hisilicon/zip/Makefile
@@ -0,0 +1,2 @@
+obj-$(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 0000000..ffb00d9
--- /dev/null
+++ b/drivers/crypto/hisilicon/zip/zip.h
@@ -0,0 +1,71 @@
+/* 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 "../qm.h"
+#include "../sgl.h"
+
+/* hisi_zip_sqe dw3 */
+#define HZIP_BD_STATUS_M GENMASK(7, 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
+
+enum hisi_zip_error_type {
+ /* negative compression */
+ HZIP_NC_ERR = 0x0d,
+};
+
+struct hisi_zip_ctrl;
+
+struct hisi_zip {
+ struct hisi_qm qm;
+ struct list_head list;
+ struct hisi_zip_ctrl *ctrl;
+};
+
+struct hisi_zip_sqe {
+ u32 consumed;
+ u32 produced;
+ u32 comp_data_length;
+ u32 dw3;
+ u32 input_data_length;
+ u32 lba_l;
+ u32 lba_h;
+ u32 dw7;
+ u32 dw8;
+ u32 dw9;
+ u32 dw10;
+ u32 priv_info;
+ u32 dw12;
+ u32 tag;
+ u32 dest_avail_out;
+ u32 rsvd0;
+ u32 comp_head_addr_l;
+ u32 comp_head_addr_h;
+ u32 source_addr_l;
+ u32 source_addr_h;
+ u32 dest_addr_l;
+ u32 dest_addr_h;
+ u32 stream_ctx_addr_l;
+ u32 stream_ctx_addr_h;
+ u32 cipher_key1_addr_l;
+ u32 cipher_key1_addr_h;
+ u32 cipher_key2_addr_l;
+ u32 cipher_key2_addr_h;
+ u32 rsvd1[4];
+};
+
+struct hisi_zip *find_zip_device(int node);
+int hisi_zip_register_to_crypto(void);
+void hisi_zip_unregister_from_crypto(void);
+#endif
diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
new file mode 100644
index 0000000..3033513
--- /dev/null
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -0,0 +1,651 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+#include <crypto/internal/acompress.h>
+#include <linux/bitfield.h>
+#include <linux/dma-mapping.h>
+#include <linux/scatterlist.h>
+#include "zip.h"
+
+#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 2
+#define GZIP_HEAD_FHCRC_SIZE 2
+
+#define HZIP_CTX_Q_NUM 2
+#define HZIP_GZIP_HEAD_BUF 256
+#define HZIP_ALG_PRIORITY 300
+
+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,
+};
+
+#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 : 0) \
+
+struct hisi_zip_req {
+ struct acomp_req *req;
+ struct scatterlist *src;
+ struct scatterlist *dst;
+ size_t slen;
+ size_t dlen;
+ struct hisi_acc_hw_sgl *hw_src;
+ struct hisi_acc_hw_sgl *hw_dst;
+ dma_addr_t dma_src;
+ dma_addr_t dma_dst;
+ int 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_sqe zip_sqe;
+ 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_ctx {
+#define QPC_COMP 0
+#define QPC_DECOMP 1
+ struct hisi_zip_qp_ctx qp_ctx[HZIP_CTX_Q_NUM];
+};
+
+static void hisi_zip_config_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_config_tag(struct hisi_zip_sqe *sqe, u32 tag)
+{
+ sqe->tag = tag;
+}
+
+static void hisi_zip_fill_sqe(struct hisi_zip_sqe *sqe, u8 req_type,
+ dma_addr_t s_addr, dma_addr_t d_addr, u32 slen,
+ u32 dlen)
+{
+ memset(sqe, 0, sizeof(struct hisi_zip_sqe));
+
+ sqe->input_data_length = slen;
+ sqe->dw9 = FIELD_PREP(HZIP_REQ_TYPE_M, req_type);
+ sqe->dest_avail_out = dlen;
+ sqe->source_addr_l = lower_32_bits(s_addr);
+ sqe->source_addr_h = upper_32_bits(s_addr);
+ sqe->dest_addr_l = lower_32_bits(d_addr);
+ sqe->dest_addr_h = upper_32_bits(d_addr);
+}
+
+static int hisi_zip_create_qp(struct hisi_qm *qm, struct hisi_zip_qp_ctx *ctx,
+ int alg_type, int req_type)
+{
+ struct hisi_qp *qp;
+ int ret;
+
+ qp = hisi_qm_create_qp(qm, alg_type);
+ if (IS_ERR(qp))
+ return PTR_ERR(qp);
+
+ qp->req_type = req_type;
+ qp->qp_ctx = ctx;
+ ctx->qp = qp;
+
+ ret = hisi_qm_start_qp(qp, 0);
+ if (ret < 0)
+ goto err_release_qp;
+
+ return 0;
+
+err_release_qp:
+ hisi_qm_release_qp(qp);
+ return ret;
+}
+
+static void hisi_zip_release_qp(struct hisi_zip_qp_ctx *ctx)
+{
+ hisi_qm_stop_qp(ctx->qp);
+ hisi_qm_release_qp(ctx->qp);
+}
+
+static int hisi_zip_ctx_init(struct hisi_zip_ctx *hisi_zip_ctx, u8 req_type)
+{
+ struct hisi_zip *hisi_zip;
+ struct hisi_qm *qm;
+ int ret, i, j;
+
+ /* find the proper zip device */
+ hisi_zip = find_zip_device(cpu_to_node(smp_processor_id()));
+ if (!hisi_zip) {
+ pr_err("Failed to find a proper ZIP device!\n");
+ return -ENODEV;
+ }
+ qm = &hisi_zip->qm;
+
+ for (i = 0; i < HZIP_CTX_Q_NUM; i++) {
+ /* alg_type = 0 for compress, 1 for decompress in hw sqe */
+ ret = hisi_zip_create_qp(qm, &hisi_zip_ctx->qp_ctx[i], i,
+ req_type);
+ if (ret)
+ goto err;
+
+ hisi_zip_ctx->qp_ctx[i].zip_dev = hisi_zip;
+ }
+
+ return 0;
+err:
+ for (j = i - 1; j >= 0; j--)
+ hisi_zip_release_qp(&hisi_zip_ctx->qp_ctx[j]);
+
+ return ret;
+}
+
+static void hisi_zip_ctx_exit(struct hisi_zip_ctx *hisi_zip_ctx)
+{
+ int i;
+
+ for (i = 1; i >= 0; i--)
+ hisi_zip_release_qp(&hisi_zip_ctx->qp_ctx[i]);
+}
+
+static u16 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 int hisi_zip_create_req_q(struct hisi_zip_ctx *ctx)
+{
+ 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 = QM_Q_DEPTH;
+
+ req_q->req_bitmap = kcalloc(BITS_TO_LONGS(req_q->size),
+ sizeof(long), GFP_KERNEL);
+ if (!req_q->req_bitmap) {
+ ret = -ENOMEM;
+ if (i == 1)
+ goto err_free_loop0;
+ }
+ 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_bitmap;
+ else
+ goto err_free_loop1;
+ }
+ }
+
+ return 0;
+
+err_free_loop1:
+ kfree(ctx->qp_ctx[QPC_DECOMP].req_q.req_bitmap);
+err_free_loop0:
+ kfree(ctx->qp_ctx[QPC_COMP].req_q.q);
+err_free_bitmap:
+ kfree(ctx->qp_ctx[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);
+ kfree(ctx->qp_ctx[i].req_q.req_bitmap);
+ }
+}
+
+static int hisi_zip_create_sgl_pool(struct hisi_zip_ctx *ctx)
+{
+ struct hisi_zip_qp_ctx *tmp;
+ int i, ret;
+
+ for (i = 0; i < HZIP_CTX_Q_NUM; i++) {
+ tmp = &ctx->qp_ctx[i];
+ ret = hisi_acc_create_sgl_pool(&tmp->qp->qm->pdev->dev,
+ &tmp->sgl_pool,
+ QM_Q_DEPTH << 1);
+ if (ret < 0) {
+ if (i == 1)
+ goto err_free_sgl_pool0;
+ return -ENOMEM;
+ }
+ }
+
+ return 0;
+
+err_free_sgl_pool0:
+ hisi_acc_free_sgl_pool(&ctx->qp_ctx[QPC_COMP].qp->qm->pdev->dev,
+ &ctx->qp_ctx[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_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;
+
+ if (qp_ctx->qp->alg_type == HZIP_ALG_TYPE_COMP)
+ kfree(req->dst);
+ else
+ kfree(req->src);
+
+ write_lock(&req_q->req_lock);
+ clear_bit(req->req_id, req_q->req_bitmap);
+ memset(req, 0, sizeof(struct hisi_zip_req));
+ write_unlock(&req_q->req_lock);
+}
+
+static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data)
+{
+ struct hisi_zip_sqe *sqe = data;
+ struct hisi_zip_qp_ctx *qp_ctx = qp->qp_ctx;
+ struct hisi_zip_req_q *req_q = &qp_ctx->req_q;
+ struct hisi_zip_req *req = req_q->q + sqe->tag;
+ struct acomp_req *acomp_req = req->req;
+ struct device *dev = &qp->qm->pdev->dev;
+ u32 status, dlen, head_size;
+ int err = 0;
+
+ status = sqe->dw3 & HZIP_BD_STATUS_M;
+
+ if (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);
+ err = -EIO;
+ }
+ dlen = sqe->produced;
+
+ hisi_acc_sg_buf_unmap(dev, req->src, req->hw_src);
+ hisi_acc_sg_buf_unmap(dev, 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 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);
+ int ret;
+
+ ret = hisi_zip_ctx_init(ctx, COMP_NAME_TO_TYPE(alg_name));
+ if (ret)
+ return ret;
+
+ ret = hisi_zip_create_req_q(ctx);
+ if (ret)
+ goto err_ctx_exit;
+
+ ret = hisi_zip_create_sgl_pool(ctx);
+ if (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 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 (ret != head_size)
+ return -ENOMEM;
+
+ return head_size;
+}
+
+static size_t 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 size_t get_comp_head_size(struct scatterlist *src, u8 req_type)
+{
+ switch (req_type) {
+ case HZIP_ALG_TYPE_ZLIB:
+ return TO_HEAD_SIZE(HZIP_ALG_TYPE_ZLIB);
+ case HZIP_ALG_TYPE_GZIP:
+ return get_gzip_head_size(src);
+ default:
+ pr_err("request type does not support!\n");
+ return -EINVAL;
+ }
+}
+
+static int get_sg_skip_bytes(struct scatterlist *sgl, size_t bytes,
+ size_t remains, struct scatterlist **out)
+{
+#define SPLIT_NUM 2
+ size_t split_sizes[SPLIT_NUM];
+ int out_mapped_nents[SPLIT_NUM];
+
+ split_sizes[0] = bytes;
+ split_sizes[1] = remains;
+
+ return sg_split(sgl, 0, 0, SPLIT_NUM, split_sizes, out,
+ out_mapped_nents, GFP_KERNEL);
+}
+
+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;
+ struct scatterlist *out[2];
+ struct scatterlist *sgl;
+ size_t len;
+ int ret, req_id;
+
+ /*
+ * remove/add zlib/gzip head, as hardware operations do not include
+ * comp head. so split req->src to get sgl without heads in acomp, or
+ * add comp head to req->dst ahead of that hardware output compressed
+ * data in sgl splited from req->dst without comp head.
+ */
+ if (is_comp) {
+ sgl = req->dst;
+ len = req->dlen - head_size;
+ } else {
+ sgl = req->src;
+ len = req->slen - head_size;
+ }
+
+ ret = get_sg_skip_bytes(sgl, head_size, len, out);
+ if (ret)
+ return ERR_PTR(ret);
+
+ /* sgl for comp head is useless, so free it now */
+ kfree(out[0]);
+
+ 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");
+ kfree(out[1]);
+ return ERR_PTR(-EBUSY);
+ }
+ set_bit(req_id, req_q->req_bitmap);
+
+ req_cache = q + req_id;
+ req_cache->req_id = req_id;
+ req_cache->req = req;
+ if (is_comp) {
+ req_cache->src = req->src;
+ req_cache->dst = out[1];
+ req_cache->slen = req->slen;
+ req_cache->dlen = req->dlen - head_size;
+ } else {
+ req_cache->src = out[1];
+ req_cache->dst = req->dst;
+ req_cache->slen = req->slen - head_size;
+ req_cache->dlen = req->dlen;
+ }
+
+ write_unlock(&req_q->req_lock);
+
+ return req_cache;
+}
+
+static int hisi_zip_do_work(struct hisi_zip_req *req,
+ struct hisi_zip_qp_ctx *qp_ctx)
+{
+ struct hisi_zip_sqe *zip_sqe = &qp_ctx->zip_sqe;
+ struct hisi_qp *qp = qp_ctx->qp;
+ struct device *dev = &qp->qm->pdev->dev;
+ struct hisi_acc_sgl_pool *pool = &qp_ctx->sgl_pool;
+ dma_addr_t input;
+ dma_addr_t output;
+ int ret;
+
+ if (!req->src || !req->slen || !req->dst || !req->dlen)
+ return -EINVAL;
+
+ req->hw_src = hisi_acc_sg_buf_map_to_hw_sgl(dev, req->src, pool,
+ req->req_id << 1, &input);
+ if (IS_ERR(req->hw_src))
+ return PTR_ERR(req->hw_src);
+ req->dma_src = input;
+
+ req->hw_dst = hisi_acc_sg_buf_map_to_hw_sgl(dev, req->dst, pool,
+ (req->req_id << 1) + 1,
+ &output);
+ if (IS_ERR(req->hw_dst)) {
+ ret = PTR_ERR(req->hw_dst);
+ goto err_unmap_input;
+ }
+ req->dma_dst = output;
+
+ hisi_zip_fill_sqe(zip_sqe, qp->req_type, input, output, req->slen,
+ req->dlen);
+ hisi_zip_config_buf_type(zip_sqe, HZIP_SGL);
+ hisi_zip_config_tag(zip_sqe, req->req_id);
+
+ /* send command to start a task */
+ ret = hisi_qp_send(qp, zip_sqe);
+ if (ret < 0)
+ goto err_unmap_output;
+
+ return -EINPROGRESS;
+
+err_unmap_output:
+ hisi_acc_sg_buf_unmap(dev, req->dst, req->hw_dst);
+err_unmap_input:
+ hisi_acc_sg_buf_unmap(dev, req->src, req->hw_src);
+ return ret;
+}
+
+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[QPC_COMP];
+ struct hisi_zip_req *req;
+ size_t head_size;
+ int ret;
+
+ /* let's output compression head now */
+ head_size = add_comp_head(acomp_req->dst, qp_ctx->qp->req_type);
+ if (head_size < 0)
+ return -ENOMEM;
+
+ 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 (ret != -EINPROGRESS)
+ 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[QPC_DECOMP];
+ struct hisi_zip_req *req;
+ size_t head_size;
+ int ret;
+
+ head_size = get_comp_head_size(acomp_req->src, qp_ctx->qp->req_type);
+
+ 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 (ret != -EINPROGRESS)
+ hisi_zip_remove_req(qp_ctx, req);
+
+ return ret;
+}
+
+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 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),
+ }
+};
+
+int hisi_zip_register_to_crypto(void)
+{
+ int ret = 0;
+
+ ret = crypto_register_acomp(&hisi_zip_acomp_zlib);
+ if (ret) {
+ pr_err("Zlib acomp algorithm registration failed\n");
+ return ret;
+ }
+
+ ret = crypto_register_acomp(&hisi_zip_acomp_gzip);
+ if (ret) {
+ pr_err("Gzip acomp algorithm registration failed\n");
+ crypto_unregister_acomp(&hisi_zip_acomp_zlib);
+ }
+
+ return ret;
+}
+
+void hisi_zip_unregister_from_crypto(void)
+{
+ crypto_unregister_acomp(&hisi_zip_acomp_gzip);
+ crypto_unregister_acomp(&hisi_zip_acomp_zlib);
+}
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
new file mode 100644
index 0000000..ee4e20e
--- /dev/null
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -0,0 +1,504 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+#include <linux/acpi.h>
+#include <linux/aer.h>
+#include <linux/bitops.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/topology.h>
+#include "zip.h"
+
+#define PCI_DEVICE_ID_ZIP_PF 0xa250
+
+#define HZIP_VF_NUM 63
+#define HZIP_QUEUE_NUM_V1 4096
+#define HZIP_QUEUE_NUM_V2 1024
+
+#define HZIP_CLOCK_GATE_CTRL 0x301004
+#define COMP0_ENABLE BIT(0)
+#define COMP1_ENABLE BIT(1)
+#define DECOMP0_ENABLE BIT(2)
+#define DECOMP1_ENABLE BIT(3)
+#define DECOMP2_ENABLE BIT(4)
+#define DECOMP3_ENABLE BIT(5)
+#define DECOMP4_ENABLE BIT(6)
+#define DECOMP5_ENABLE BIT(7)
+#define ALL_COMP_DECOMP_EN (COMP0_ENABLE | COMP1_ENABLE | \
+ DECOMP0_ENABLE | DECOMP1_ENABLE | \
+ DECOMP2_ENABLE | DECOMP3_ENABLE | \
+ DECOMP4_ENABLE | DECOMP5_ENABLE)
+#define DECOMP_CHECK_ENABLE BIT(16)
+
+#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 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_CORE_INT_SOURCE 0x3010A0
+#define HZIP_CORE_INT_MASK 0x3010A4
+#define HZIP_CORE_INT_STATUS 0x3010AC
+#define HZIP_CORE_INT_STATUS_M_ECC BIT(1)
+#define HZIP_CORE_SRAM_ECC_ERR_INFO 0x301148
+#define SRAM_ECC_ERR_NUM_SHIFT 16
+#define SRAM_ECC_ERR_ADDR_SHIFT 24
+#define HZIP_CORE_INT_DISABLE 0x000007FF
+#define HZIP_SQE_SIZE 128
+#define HZIP_PF_DEF_Q_NUM 64
+#define HZIP_PF_DEF_Q_BASE 0
+
+
+#define HZIP_NUMA_DISTANCE 100
+
+static const char hisi_zip_name[] = "hisi_zip";
+LIST_HEAD(hisi_zip_list);
+DEFINE_MUTEX(hisi_zip_list_lock);
+
+#ifdef CONFIG_NUMA
+static struct hisi_zip *find_zip_device_numa(int node)
+{
+ struct hisi_zip *zip = NULL;
+ struct hisi_zip *hisi_zip;
+ int min_distance = HZIP_NUMA_DISTANCE;
+ struct device *dev;
+
+ list_for_each_entry(hisi_zip, &hisi_zip_list, list) {
+ dev = &hisi_zip->qm.pdev->dev;
+ if (node_distance(dev->numa_node, node) < min_distance) {
+ zip = hisi_zip;
+ min_distance = node_distance(dev->numa_node, node);
+ }
+ }
+
+ return zip;
+}
+#endif
+
+struct hisi_zip *find_zip_device(int node)
+{
+ struct hisi_zip *zip = NULL;
+
+ mutex_lock(&hisi_zip_list_lock);
+#ifdef CONFIG_NUMA
+ zip = find_zip_device_numa(node);
+#else
+ zip = list_first_entry(&hisi_zip_list, struct hisi_zip, list);
+#endif
+ mutex_unlock(&hisi_zip_list_lock);
+
+ return zip;
+}
+
+struct hisi_zip_hw_error {
+ u32 int_msk;
+ const char *msg;
+};
+
+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" },
+ { /* sentinel */ }
+};
+
+/*
+ * 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;
+};
+
+static int pf_q_num_set(const char *val, const struct kernel_param *kp)
+{
+ struct pci_dev *pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI,
+ PCI_DEVICE_ID_ZIP_PF, NULL);
+ u32 n, q_num;
+ u8 rev_id;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ if (!pdev) {
+ q_num = min_t(u32, HZIP_QUEUE_NUM_V1, HZIP_QUEUE_NUM_V2);
+ pr_info("No device found currently, suppose queue number is %d\n",
+ q_num);
+ } else {
+ rev_id = pdev->revision;
+ switch (rev_id) {
+ case QM_HW_V1:
+ q_num = HZIP_QUEUE_NUM_V1;
+ break;
+ case QM_HW_V2:
+ q_num = HZIP_QUEUE_NUM_V2;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ ret = kstrtou32(val, 10, &n);
+ if (ret != 0 || n > q_num || n == 0)
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
+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 1-4096, v2 1-1024)");
+
+static int uacce_mode;
+module_param(uacce_mode, int, 0);
+
+static const struct pci_device_id hisi_zip_dev_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_ZIP_PF) },
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, hisi_zip_dev_ids);
+
+static inline void hisi_zip_add_to_list(struct hisi_zip *hisi_zip)
+{
+ mutex_lock(&hisi_zip_list_lock);
+ list_add_tail(&hisi_zip->list, &hisi_zip_list);
+ mutex_unlock(&hisi_zip_list_lock);
+}
+
+static inline void hisi_zip_remove_from_list(struct hisi_zip *hisi_zip)
+{
+ mutex_lock(&hisi_zip_list_lock);
+ list_del(&hisi_zip->list);
+ mutex_unlock(&hisi_zip_list_lock);
+}
+
+static void hisi_zip_set_user_domain_and_cache(struct hisi_zip *hisi_zip)
+{
+ void __iomem *base = hisi_zip->qm.io_base;
+
+ /* 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(CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_0);
+ writel(CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_1);
+ writel(CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_0);
+ writel(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_SGL_RUSER_32_63);
+ writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63);
+ writel(AXUSER_BASE, base + HZIP_DATA_RUSER_32_63);
+ writel(AXUSER_BASE, base + HZIP_DATA_WUSER_32_63);
+
+ /* let's open all compression/decompression cores */
+ writel(DECOMP_CHECK_ENABLE | ALL_COMP_DECOMP_EN,
+ base + HZIP_CLOCK_GATE_CTRL);
+
+ /* enable sqc 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);
+}
+
+static void hisi_zip_hw_error_set_state(struct hisi_zip *hisi_zip, bool state)
+{
+ struct hisi_qm *qm = &hisi_zip->qm;
+
+ if (qm->ver == QM_HW_V1) {
+ writel(HZIP_CORE_INT_DISABLE, qm->io_base + HZIP_CORE_INT_MASK);
+ dev_info(&qm->pdev->dev, "ZIP v%d does not support hw error handle\n",
+ qm->ver);
+ return;
+ }
+
+ if (state) {
+ /* clear ZIP hw error source if having */
+ writel(HZIP_CORE_INT_DISABLE, hisi_zip->qm.io_base +
+ HZIP_CORE_INT_SOURCE);
+ /* enable ZIP hw error interrupts */
+ writel(0, hisi_zip->qm.io_base + HZIP_CORE_INT_MASK);
+ } else {
+ /* disable ZIP hw error interrupts */
+ writel(HZIP_CORE_INT_DISABLE,
+ hisi_zip->qm.io_base + HZIP_CORE_INT_MASK);
+ }
+}
+
+static void hisi_zip_hw_error_init(struct hisi_zip *hisi_zip)
+{
+ hisi_qm_hw_error_init(&hisi_zip->qm, QM_BASE_CE,
+ QM_BASE_NFE | QM_ACC_WB_NOT_READY_TIMEOUT, 0,
+ QM_DB_RANDOM_INVALID);
+ hisi_zip_hw_error_set_state(hisi_zip, true);
+}
+
+static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip)
+{
+ struct hisi_qm *qm = &hisi_zip->qm;
+ struct hisi_zip_ctrl *ctrl;
+
+ ctrl = devm_kzalloc(&qm->pdev->dev, sizeof(*ctrl), GFP_KERNEL);
+ if (!ctrl)
+ return -ENOMEM;
+
+ hisi_zip->ctrl = ctrl;
+ ctrl->hisi_zip = hisi_zip;
+
+ switch (qm->ver) {
+ case QM_HW_V1:
+ qm->ctrl_qp_num = HZIP_QUEUE_NUM_V1;
+ break;
+
+ case QM_HW_V2:
+ qm->ctrl_qp_num = HZIP_QUEUE_NUM_V2;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ hisi_zip_set_user_domain_and_cache(hisi_zip);
+ hisi_zip_hw_error_init(hisi_zip);
+
+ return 0;
+}
+
+static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct hisi_zip *hisi_zip;
+ enum qm_hw_ver rev_id;
+ struct hisi_qm *qm;
+ int ret;
+
+ rev_id = hisi_qm_get_hw_version(pdev);
+ if (rev_id == QM_HW_UNKNOWN)
+ return -EINVAL;
+
+ hisi_zip = devm_kzalloc(&pdev->dev, sizeof(*hisi_zip), GFP_KERNEL);
+ if (!hisi_zip)
+ return -ENOMEM;
+ pci_set_drvdata(pdev, hisi_zip);
+
+ qm = &hisi_zip->qm;
+ qm->pdev = pdev;
+ qm->ver = rev_id;
+
+ qm->sqe_size = HZIP_SQE_SIZE;
+ qm->dev_name = hisi_zip_name;
+ switch (uacce_mode) {
+ case 0:
+ qm->use_dma_api = true;
+ break;
+ case 1:
+ qm->use_dma_api = false;
+ break;
+ case 2:
+ qm->use_dma_api = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = hisi_qm_init(qm);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to init qm!\n");
+ return ret;
+ }
+
+ ret = hisi_zip_pf_probe_init(hisi_zip);
+ if (ret)
+ goto err_qm_uninit;
+
+ qm->qp_base = HZIP_PF_DEF_Q_BASE;
+ qm->qp_num = pf_q_num;
+
+ ret = hisi_qm_start(qm);
+ if (ret)
+ goto err_qm_uninit;
+
+ hisi_zip_add_to_list(hisi_zip);
+
+ return 0;
+
+err_qm_uninit:
+ hisi_qm_uninit(qm);
+ return ret;
+}
+
+static void hisi_zip_remove(struct pci_dev *pdev)
+{
+ struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
+ struct hisi_qm *qm = &hisi_zip->qm;
+
+ hisi_qm_stop(qm);
+ hisi_zip_hw_error_set_state(hisi_zip, false);
+ hisi_qm_uninit(qm);
+ hisi_zip_remove_from_list(hisi_zip);
+}
+
+static void hisi_zip_log_hw_error(struct hisi_zip *hisi_zip, u32 err_sts)
+{
+ const struct hisi_zip_hw_error *err = zip_hw_error;
+ struct device *dev = &hisi_zip->qm.pdev->dev;
+ u32 err_val;
+
+ while (err->msg) {
+ if (err->int_msk & err_sts) {
+ dev_warn(dev, "%s [error status=0x%x] found\n",
+ err->msg, err->int_msk);
+
+ if (HZIP_CORE_INT_STATUS_M_ECC & err->int_msk) {
+ err_val = readl(hisi_zip->qm.io_base +
+ HZIP_CORE_SRAM_ECC_ERR_INFO);
+ dev_warn(dev, "hisi-zip multi ecc sram num=0x%x\n",
+ ((err_val >> SRAM_ECC_ERR_NUM_SHIFT) &
+ 0xFF));
+ dev_warn(dev, "hisi-zip multi ecc sram addr=0x%x\n",
+ (err_val >> SRAM_ECC_ERR_ADDR_SHIFT));
+ }
+ }
+ err++;
+ }
+}
+
+static pci_ers_result_t hisi_zip_hw_error_handle(struct hisi_zip *hisi_zip)
+{
+ u32 err_sts;
+
+ /* read err sts */
+ err_sts = readl(hisi_zip->qm.io_base + HZIP_CORE_INT_STATUS);
+
+ if (err_sts) {
+ hisi_zip_log_hw_error(hisi_zip, err_sts);
+ /* clear error interrupts */
+ writel(err_sts, hisi_zip->qm.io_base + HZIP_CORE_INT_SOURCE);
+
+ return PCI_ERS_RESULT_NEED_RESET;
+ }
+
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+static pci_ers_result_t hisi_zip_process_hw_error(struct pci_dev *pdev)
+{
+ struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
+ struct device *dev = &pdev->dev;
+ pci_ers_result_t qm_ret, zip_ret;
+
+ if (!hisi_zip) {
+ dev_err(dev,
+ "Can't recover ZIP-error occurred during device init\n");
+ return PCI_ERS_RESULT_NONE;
+ }
+
+ qm_ret = hisi_qm_hw_error_handle(&hisi_zip->qm);
+
+ zip_ret = hisi_zip_hw_error_handle(hisi_zip);
+
+ return (qm_ret == PCI_ERS_RESULT_NEED_RESET ||
+ zip_ret == PCI_ERS_RESULT_NEED_RESET) ?
+ PCI_ERS_RESULT_NEED_RESET : PCI_ERS_RESULT_RECOVERED;
+}
+
+static pci_ers_result_t hisi_zip_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state)
+{
+ if (pdev->is_virtfn)
+ return PCI_ERS_RESULT_NONE;
+
+ dev_info(&pdev->dev, "PCI error detected, state(=%d)!!\n", state);
+ if (state == pci_channel_io_perm_failure)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ return hisi_zip_process_hw_error(pdev);
+}
+
+static const struct pci_error_handlers hisi_zip_err_handler = {
+ .error_detected = hisi_zip_error_detected,
+};
+
+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,
+ .err_handler = &hisi_zip_err_handler,
+};
+
+static int __init hisi_zip_init(void)
+{
+ int ret;
+
+ ret = pci_register_driver(&hisi_zip_pci_driver);
+ if (ret < 0) {
+ pr_err("Failed to register pci driver.\n");
+ return ret;
+ }
+
+ if (uacce_mode == 0 || uacce_mode == 2) {
+ ret = hisi_zip_register_to_crypto();
+ if (ret < 0) {
+ pr_err("Failed to register driver to crypto.\n");
+ goto err_crypto;
+ }
+ }
+
+ return 0;
+
+err_crypto:
+ pci_unregister_driver(&hisi_zip_pci_driver);
+ return ret;
+}
+
+static void __exit hisi_zip_exit(void)
+{
+ if (uacce_mode == 0 || uacce_mode == 2)
+ hisi_zip_unregister_from_crypto();
+ pci_unregister_driver(&hisi_zip_pci_driver);
+}
+
+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");
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v3 4/7] crypto: hisilicon - add SRIOV support for ZIP
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
` (2 preceding siblings ...)
2019-08-02 7:57 ` [PATCH v3 3/7] crypto: hisilicon - add HiSilicon ZIP accelerator support Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-02 7:57 ` [PATCH v3 5/7] Documentation: Add debugfs doc for hisi_zip Zhou Wang
` (4 subsequent siblings)
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto; +Cc: linuxarm, linux-kernel, Zhou Wang
HiSilicon ZIP engine supports PCI SRIOV. This patch enable this feature.
User can enable VFs and pass through them to VM, same ZIP driver can work
in VM to provide ZLIB and GZIP algorithm by crypto acomp interface.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
---
drivers/crypto/hisilicon/qm.c | 97 +++++++++++++++++----
drivers/crypto/hisilicon/qm.h | 4 +
drivers/crypto/hisilicon/zip/zip_main.c | 150 ++++++++++++++++++++++++++++++--
3 files changed, 226 insertions(+), 25 deletions(-)
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index c095d47..4f6bbdd 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -16,6 +16,7 @@
#define QM_VF_EQ_INT_MASK 0xc
#define QM_IRQ_NUM_V1 1
#define QM_IRQ_NUM_PF_V2 4
+#define QM_IRQ_NUM_VF_V2 2
#define QM_EQ_EVENT_IRQ_VECTOR 0
#define QM_AEQ_EVENT_IRQ_VECTOR 1
@@ -265,6 +266,7 @@ struct qm_doorbell {
};
struct hisi_qm_hw_ops {
+ int (*get_vft)(struct hisi_qm *qm, u32 *base, u32 *number);
void (*qm_db)(struct hisi_qm *qm, u16 qn,
u8 cmd, u16 index, u8 priority);
u32 (*get_irq_num)(struct hisi_qm *qm);
@@ -422,7 +424,10 @@ static u32 qm_get_irq_num_v1(struct hisi_qm *qm)
static u32 qm_get_irq_num_v2(struct hisi_qm *qm)
{
- return QM_IRQ_NUM_PF_V2;
+ if (qm->fun_type == QM_HW_PF)
+ return QM_IRQ_NUM_PF_V2;
+ else
+ return QM_IRQ_NUM_VF_V2;
}
static struct hisi_qp *qm_to_hisi_qp(struct hisi_qm *qm, struct qm_eqe *eqe)
@@ -591,12 +596,14 @@ static int qm_irq_register(struct hisi_qm *qm)
if (ret)
goto err_aeq_irq;
- ret = request_irq(pci_irq_vector(pdev,
- QM_ABNORMAL_EVENT_IRQ_VECTOR),
- qm_abnormal_irq, IRQF_SHARED,
- qm->dev_name, qm);
- if (ret)
- goto err_abonormal_irq;
+ if (qm->fun_type == QM_HW_PF) {
+ ret = request_irq(pci_irq_vector(pdev,
+ QM_ABNORMAL_EVENT_IRQ_VECTOR),
+ qm_abnormal_irq, IRQF_SHARED,
+ qm->dev_name, qm);
+ if (ret)
+ goto err_abonormal_irq;
+ }
}
return 0;
@@ -616,8 +623,10 @@ static void qm_irq_unregister(struct hisi_qm *qm)
if (qm->ver == QM_HW_V2) {
free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
- free_irq(pci_irq_vector(pdev,
- QM_ABNORMAL_EVENT_IRQ_VECTOR), qm);
+
+ if (qm->fun_type == QM_HW_PF)
+ free_irq(pci_irq_vector(pdev,
+ QM_ABNORMAL_EVENT_IRQ_VECTOR), qm);
}
}
@@ -717,6 +726,24 @@ static int qm_set_sqc_cqc_vft(struct hisi_qm *qm, u32 fun_num, u32 base,
return 0;
}
+static int qm_get_vft_v2(struct hisi_qm *qm, u32 *base, u32 *number)
+{
+ u64 sqc_vft;
+ int ret;
+
+ ret = qm_mb(qm, QM_MB_CMD_SQC_VFT_V2, 0, 0, 1);
+ if (ret)
+ return ret;
+
+ sqc_vft = readl(qm->io_base + QM_MB_CMD_DATA_ADDR_L) |
+ ((u64)readl(qm->io_base + QM_MB_CMD_DATA_ADDR_H) << 32);
+ *base = QM_SQC_VFT_BASE_MASK_V2 & (sqc_vft >> QM_SQC_VFT_BASE_SHIFT_V2);
+ *number = (QM_SQC_VFT_NUM_MASK_v2 &
+ (sqc_vft >> QM_SQC_VFT_NUM_SHIFT_V2)) + 1;
+
+ return 0;
+}
+
static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
u32 msi)
{
@@ -815,6 +842,7 @@ static const struct hisi_qm_hw_ops qm_hw_ops_v1 = {
};
static const struct hisi_qm_hw_ops qm_hw_ops_v2 = {
+ .get_vft = qm_get_vft_v2,
.qm_db = qm_db_v2,
.get_irq_num = qm_get_irq_num_v2,
.hw_error_init = qm_hw_error_init_v2,
@@ -1195,6 +1223,9 @@ int hisi_qm_init(struct hisi_qm *qm)
mutex_init(&qm->mailbox_lock);
rwlock_init(&qm->qps_lock);
+ dev_dbg(dev, "init qm %s with %s\n", pdev->is_physfn ? "pf" : "vf",
+ qm->use_dma_api ? "dma api" : "iommu api");
+
return 0;
err_free_irq_vectors:
@@ -1237,6 +1268,32 @@ void hisi_qm_uninit(struct hisi_qm *qm)
EXPORT_SYMBOL_GPL(hisi_qm_uninit);
/**
+ * hisi_qm_get_vft() - Get vft from a qm.
+ * @qm: The qm we want to get its vft.
+ * @base: The base number of queue in vft.
+ * @number: The number of queues in vft.
+ *
+ * We can allocate multiple queues to a qm by configuring virtual function
+ * table. We get related configures by this function. Normally, we call this
+ * function in VF driver to get the queue information.
+ *
+ * qm hw v1 does not support this interface.
+ */
+int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number)
+{
+ if (!base || !number)
+ return -EINVAL;
+
+ if (!qm->ops->get_vft) {
+ dev_err(&qm->pdev->dev, "Don't support vft read!\n");
+ return -EINVAL;
+ }
+
+ return qm->ops->get_vft(qm, base, number);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_get_vft);
+
+/**
* hisi_qm_set_vft() - Set "virtual function table" for a qm.
* @fun_num: Number of operated function.
* @qm: The qm in which to set vft, alway in a PF.
@@ -1344,13 +1401,15 @@ static int __hisi_qm_start(struct hisi_qm *qm)
if (qm->qp_num == 0)
return -EINVAL;
- ret = qm_dev_mem_reset(qm);
- if (ret)
- return ret;
+ if (qm->fun_type == QM_HW_PF) {
+ ret = qm_dev_mem_reset(qm);
+ if (ret)
+ return ret;
- ret = hisi_qm_set_vft(qm, 0, qm->qp_base, qm->qp_num);
- if (ret)
- return ret;
+ ret = hisi_qm_set_vft(qm, 0, qm->qp_base, qm->qp_num);
+ if (ret)
+ return ret;
+ }
QM_INIT_BUF(qm, eqe, QM_Q_DEPTH);
QM_INIT_BUF(qm, aeqe, QM_Q_DEPTH);
@@ -1469,9 +1528,11 @@ int hisi_qm_stop(struct hisi_qm *qm)
}
}
- ret = hisi_qm_set_vft(qm, 0, 0, 0);
- if (ret < 0)
- dev_err(dev, "Failed to set vft!\n");
+ if (qm->fun_type == QM_HW_PF) {
+ ret = hisi_qm_set_vft(qm, 0, 0, 0);
+ if (ret < 0)
+ dev_err(dev, "Failed to set vft!\n");
+ }
return ret;
}
diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
index a5849db..8b3cb69 100644
--- a/drivers/crypto/hisilicon/qm.h
+++ b/drivers/crypto/hisilicon/qm.h
@@ -80,6 +80,7 @@ enum qm_hw_ver {
enum qm_fun_type {
QM_HW_PF,
+ QM_HW_VF,
};
struct qm_dma {
@@ -98,6 +99,7 @@ struct hisi_qm_status {
struct hisi_qm {
enum qm_hw_ver ver;
+ enum qm_fun_type fun_type;
const char *dev_name;
struct pci_dev *pdev;
void __iomem *io_base;
@@ -174,7 +176,9 @@ int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg);
int hisi_qm_stop_qp(struct hisi_qp *qp);
void hisi_qm_release_qp(struct hisi_qp *qp);
int hisi_qp_send(struct hisi_qp *qp, const void *msg);
+int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number);
int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base, u32 number);
+int hisi_qm_debug_init(struct hisi_qm *qm);
void hisi_qm_hw_error_init(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
u32 msi);
int hisi_qm_hw_error_handle(struct hisi_qm *qm);
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index ee4e20e..b3e4f1a 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -12,6 +12,7 @@
#include "zip.h"
#define PCI_DEVICE_ID_ZIP_PF 0xa250
+#define PCI_DEVICE_ID_ZIP_VF 0xa251
#define HZIP_VF_NUM 63
#define HZIP_QUEUE_NUM_V1 4096
@@ -127,6 +128,7 @@ static const struct hisi_zip_hw_error zip_hw_error[] = {
* Just relevant for PF.
*/
struct hisi_zip_ctrl {
+ u32 num_vfs;
struct hisi_zip *hisi_zip;
};
@@ -180,6 +182,7 @@ module_param(uacce_mode, int, 0);
static const struct pci_device_id hisi_zip_dev_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_ZIP_PF) },
+ { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_ZIP_VF) },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, hisi_zip_dev_ids);
@@ -324,6 +327,8 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
qm->sqe_size = HZIP_SQE_SIZE;
qm->dev_name = hisi_zip_name;
+ qm->fun_type = (pdev->device == PCI_DEVICE_ID_ZIP_PF) ? QM_HW_PF :
+ QM_HW_VF;
switch (uacce_mode) {
case 0:
qm->use_dma_api = true;
@@ -344,12 +349,28 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return ret;
}
- ret = hisi_zip_pf_probe_init(hisi_zip);
- if (ret)
- goto err_qm_uninit;
-
- qm->qp_base = HZIP_PF_DEF_Q_BASE;
- qm->qp_num = pf_q_num;
+ if (qm->fun_type == QM_HW_PF) {
+ ret = hisi_zip_pf_probe_init(hisi_zip);
+ if (ret)
+ return ret;
+
+ qm->qp_base = HZIP_PF_DEF_Q_BASE;
+ qm->qp_num = pf_q_num;
+ } else if (qm->fun_type == QM_HW_VF) {
+ /*
+ * 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.
+ */
+ if (qm->ver == QM_HW_V1) {
+ qm->qp_base = HZIP_PF_DEF_Q_NUM;
+ qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM;
+ } else if (qm->ver == QM_HW_V2)
+ /* v2 starts to support get vft by mailbox */
+ hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
+ }
ret = hisi_qm_start(qm);
if (ret)
@@ -364,13 +385,127 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return ret;
}
+/* Currently we only support equal assignment */
+static int hisi_zip_vf_q_assign(struct hisi_zip *hisi_zip, int num_vfs)
+{
+ struct hisi_qm *qm = &hisi_zip->qm;
+ u32 qp_num = qm->qp_num;
+ u32 q_base = qp_num;
+ u32 q_num, remain_q_num, i;
+ int ret;
+
+ if (!num_vfs)
+ return -EINVAL;
+
+ remain_q_num = qm->ctrl_qp_num - qp_num;
+ if (remain_q_num < num_vfs)
+ return -EINVAL;
+
+ q_num = remain_q_num / num_vfs;
+ for (i = 1; i <= num_vfs; i++) {
+ if (i == num_vfs)
+ q_num += remain_q_num % num_vfs;
+ ret = hisi_qm_set_vft(qm, i, q_base, q_num);
+ if (ret)
+ return ret;
+ q_base += q_num;
+ }
+
+ return 0;
+}
+
+static int hisi_zip_clear_vft_config(struct hisi_zip *hisi_zip)
+{
+ struct hisi_zip_ctrl *ctrl = hisi_zip->ctrl;
+ struct hisi_qm *qm = &hisi_zip->qm;
+ u32 i, num_vfs = ctrl->num_vfs;
+ int ret;
+
+ for (i = 1; i <= num_vfs; i++) {
+ ret = hisi_qm_set_vft(qm, i, 0, 0);
+ if (ret)
+ return ret;
+ }
+
+ ctrl->num_vfs = 0;
+
+ return 0;
+}
+
+static int hisi_zip_sriov_enable(struct pci_dev *pdev, int max_vfs)
+{
+#ifdef CONFIG_PCI_IOV
+ struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
+ int pre_existing_vfs, num_vfs, ret;
+
+ pre_existing_vfs = pci_num_vf(pdev);
+
+ if (pre_existing_vfs) {
+ dev_err(&pdev->dev,
+ "Can't enable VF. Please disable pre-enabled VFs!\n");
+ return 0;
+ }
+
+ num_vfs = min_t(int, max_vfs, HZIP_VF_NUM);
+
+ ret = hisi_zip_vf_q_assign(hisi_zip, num_vfs);
+ if (ret) {
+ dev_err(&pdev->dev, "Can't assign queues for VF!\n");
+ return ret;
+ }
+
+ hisi_zip->ctrl->num_vfs = num_vfs;
+
+ ret = pci_enable_sriov(pdev, num_vfs);
+ if (ret) {
+ dev_err(&pdev->dev, "Can't enable VF!\n");
+ hisi_zip_clear_vft_config(hisi_zip);
+ return ret;
+ }
+
+ return num_vfs;
+#else
+ return 0;
+#endif
+}
+
+static int hisi_zip_sriov_disable(struct pci_dev *pdev)
+{
+ struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
+
+ if (pci_vfs_assigned(pdev)) {
+ dev_err(&pdev->dev,
+ "Can't disable VFs while VFs are assigned!\n");
+ return -EPERM;
+ }
+
+ /* remove in hisi_zip_pci_driver will be called to free VF resources */
+ pci_disable_sriov(pdev);
+
+ return hisi_zip_clear_vft_config(hisi_zip);
+}
+
+static int hisi_zip_sriov_configure(struct pci_dev *pdev, int num_vfs)
+{
+ if (num_vfs == 0)
+ return hisi_zip_sriov_disable(pdev);
+ else
+ return hisi_zip_sriov_enable(pdev, num_vfs);
+}
+
static void hisi_zip_remove(struct pci_dev *pdev)
{
struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
struct hisi_qm *qm = &hisi_zip->qm;
+ if (qm->fun_type == QM_HW_PF && hisi_zip->ctrl->num_vfs != 0)
+ hisi_zip_sriov_disable(pdev);
+
hisi_qm_stop(qm);
- hisi_zip_hw_error_set_state(hisi_zip, false);
+
+ if (qm->fun_type == QM_HW_PF)
+ hisi_zip_hw_error_set_state(hisi_zip, false);
+
hisi_qm_uninit(qm);
hisi_zip_remove_from_list(hisi_zip);
}
@@ -461,6 +596,7 @@ static struct pci_driver hisi_zip_pci_driver = {
.id_table = hisi_zip_dev_ids,
.probe = hisi_zip_probe,
.remove = hisi_zip_remove,
+ .sriov_configure = hisi_zip_sriov_configure,
.err_handler = &hisi_zip_err_handler,
};
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v3 5/7] Documentation: Add debugfs doc for hisi_zip
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
` (3 preceding siblings ...)
2019-08-02 7:57 ` [PATCH v3 4/7] crypto: hisilicon - add SRIOV support for ZIP Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-02 7:57 ` [PATCH v3 6/7] crypto: hisilicon - add debugfs for ZIP and QM Zhou Wang
` (3 subsequent siblings)
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto; +Cc: linuxarm, linux-kernel, Zhou Wang
Add debugfs descriptions for HiSilicon ZIP and QM driver.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
Documentation/ABI/testing/debugfs-hisi-zip | 50 ++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 Documentation/ABI/testing/debugfs-hisi-zip
diff --git a/Documentation/ABI/testing/debugfs-hisi-zip b/Documentation/ABI/testing/debugfs-hisi-zip
new file mode 100644
index 0000000..a7c63e6
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-hisi-zip
@@ -0,0 +1,50 @@
+What: /sys/kernel/debug/hisi_zip/<bdf>/comp_core[01]/regs
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: Dump of compression cores related debug registers.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/decomp_core[0-5]/regs
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: Dump of decompression cores related debug registers.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/clear_enable
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: Compression/decompression core debug registers read clear
+ control. 1 means enable register read clear, otherwise 0.
+ Writing to this file has no functional effect, only enable or
+ disable counters clear after reading of these registers.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/current_qm
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: One ZIP controller has one PF and multiple VFs, each function
+ has a QM. Select the QM which below qm refers to.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/qm_regs
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: Dump of QM related debug registers.
+ Available for PF and VF in host. VF in guest currently only
+ has one debug register.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/current_q
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: One QM may contain multiple queues. Select specific queue to
+ show its debug registers in above qm_regs.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/clear_enable
+Date: Nov 2018
+Contact: linux-crypto@vger.kernel.org
+Description: QM debug registers(qm_regs) read clear control. 1 means enable
+ register read clear, otherwise 0.
+ Writing to this file has no functional effect, only enable or
+ disable counters clear after reading of these registers.
+ Only available for PF.
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v3 6/7] crypto: hisilicon - add debugfs for ZIP and QM
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
` (4 preceding siblings ...)
2019-08-02 7:57 ` [PATCH v3 5/7] Documentation: Add debugfs doc for hisi_zip Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-02 7:57 ` [PATCH v3 7/7] MAINTAINERS: add maintainer for HiSilicon QM and ZIP controller driver Zhou Wang
` (2 subsequent siblings)
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto; +Cc: linuxarm, linux-kernel, Zhou Wang
HiSilicon ZIP engine driver uses debugfs to provide debug information,
the usage can be found in /Documentation/ABI/testing/debugfs-hisi-zip.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
---
drivers/crypto/hisilicon/qm.c | 301 +++++++++++++++++++++++++
drivers/crypto/hisilicon/qm.h | 29 +++
drivers/crypto/hisilicon/zip/zip_main.c | 375 +++++++++++++++++++++++++++++++-
3 files changed, 704 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 4f6bbdd..363f71b 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -2,10 +2,12 @@
/* Copyright (c) 2019 HiSilicon Limited. */
#include <asm/page.h>
#include <linux/bitmap.h>
+#include <linux/debugfs.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
#include <linux/irqreturn.h>
#include <linux/log2.h>
+#include <linux/seq_file.h>
#include <linux/slab.h>
#include "qm.h"
@@ -114,6 +116,7 @@
#define QM_SQC_VFT_NUM_SHIFT_V2 45
#define QM_SQC_VFT_NUM_MASK_v2 GENMASK(9, 0)
+#define QM_DFX_CNT_CLR_CE 0x100118
#define QM_ABNORMAL_INT_SOURCE 0x100000
#define QM_ABNORMAL_INT_MASK 0x100004
@@ -141,6 +144,7 @@
#define QM_SQE_DATA_ALIGN_MASK GENMASK(6, 0)
#define QMC_ALIGN(sz) ALIGN(sz, 32)
+#define QM_DBG_TMP_BUF_LEN 22
#define QM_MK_CQC_DW3_V1(hop_num, pg_sz, buf_sz, cqe_sz) \
(((hop_num) << QM_CQ_HOP_NUM_SHIFT) | \
@@ -270,11 +274,17 @@ struct hisi_qm_hw_ops {
void (*qm_db)(struct hisi_qm *qm, u16 qn,
u8 cmd, u16 index, u8 priority);
u32 (*get_irq_num)(struct hisi_qm *qm);
+ int (*debug_init)(struct hisi_qm *qm);
void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
u32 msi);
pci_ers_result_t (*hw_error_handle)(struct hisi_qm *qm);
};
+static const char * const qm_debug_file_name[] = {
+ [CURRENT_Q] = "current_q",
+ [CLEAR_ENABLE] = "clear_enable",
+};
+
struct hisi_qm_hw_error {
u32 int_msk;
const char *msg;
@@ -744,6 +754,229 @@ static int qm_get_vft_v2(struct hisi_qm *qm, u32 *base, u32 *number)
return 0;
}
+static struct hisi_qm *file_to_qm(struct debugfs_file *file)
+{
+ struct qm_debug *debug = file->debug;
+
+ return container_of(debug, struct hisi_qm, debug);
+}
+
+static u32 current_q_read(struct debugfs_file *file)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+
+ return readl(qm->io_base + QM_DFX_SQE_CNT_VF_SQN) >> QM_DFX_QN_SHIFT;
+}
+
+static int current_q_write(struct debugfs_file *file, u32 val)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+ u32 tmp;
+
+ if (val >= qm->debug.curr_qm_qp_num)
+ return -EINVAL;
+
+ tmp = val << QM_DFX_QN_SHIFT |
+ (readl(qm->io_base + QM_DFX_SQE_CNT_VF_SQN) & CURRENT_FUN_MASK);
+ writel(tmp, qm->io_base + QM_DFX_SQE_CNT_VF_SQN);
+
+ tmp = val << QM_DFX_QN_SHIFT |
+ (readl(qm->io_base + QM_DFX_CQE_CNT_VF_CQN) & CURRENT_FUN_MASK);
+ writel(tmp, qm->io_base + QM_DFX_CQE_CNT_VF_CQN);
+
+ return 0;
+}
+
+static u32 clear_enable_read(struct debugfs_file *file)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+
+ return readl(qm->io_base + QM_DFX_CNT_CLR_CE);
+}
+
+/* rd_clr_ctrl 1 enable read clear, otherwise 0 disable it */
+static int clear_enable_write(struct debugfs_file *file, u32 rd_clr_ctrl)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+
+ if (rd_clr_ctrl > 1)
+ return -EINVAL;
+
+ writel(rd_clr_ctrl, qm->io_base + QM_DFX_CNT_CLR_CE);
+
+ return 0;
+}
+
+static ssize_t qm_debug_read(struct file *filp, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct debugfs_file *file = filp->private_data;
+ enum qm_debug_file index = file->index;
+ char tbuf[QM_DBG_TMP_BUF_LEN];
+ u32 val;
+ int ret;
+
+ mutex_lock(&file->lock);
+ switch (index) {
+ case CURRENT_Q:
+ val = current_q_read(file);
+ break;
+ case CLEAR_ENABLE:
+ val = clear_enable_read(file);
+ break;
+ default:
+ mutex_unlock(&file->lock);
+ return -EINVAL;
+ }
+ mutex_unlock(&file->lock);
+ ret = sprintf(tbuf, "%u\n", val);
+ return simple_read_from_buffer(buf, count, pos, tbuf, ret);
+}
+
+static ssize_t qm_debug_write(struct file *filp, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct debugfs_file *file = filp->private_data;
+ enum qm_debug_file index = file->index;
+ unsigned long val;
+ char tbuf[QM_DBG_TMP_BUF_LEN];
+ int len, ret;
+
+ if (*pos != 0)
+ return 0;
+
+ if (count >= QM_DBG_TMP_BUF_LEN)
+ return -ENOSPC;
+
+ len = simple_write_to_buffer(tbuf, QM_DBG_TMP_BUF_LEN - 1, pos, buf,
+ count);
+ if (len < 0)
+ return len;
+
+ tbuf[len] = '\0';
+ if (kstrtoul(tbuf, 0, &val))
+ return -EFAULT;
+
+ mutex_lock(&file->lock);
+ switch (index) {
+ case CURRENT_Q:
+ ret = current_q_write(file, val);
+ if (ret)
+ goto err_input;
+ break;
+ case CLEAR_ENABLE:
+ ret = clear_enable_write(file, val);
+ if (ret)
+ goto err_input;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err_input;
+ }
+ mutex_unlock(&file->lock);
+
+ return count;
+
+err_input:
+ mutex_unlock(&file->lock);
+ return ret;
+}
+
+static const struct file_operations qm_debug_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = qm_debug_read,
+ .write = qm_debug_write,
+};
+
+struct qm_dfx_registers {
+ char *reg_name;
+ u64 reg_offset;
+};
+
+#define CNT_CYC_REGS_NUM 10
+static struct qm_dfx_registers qm_dfx_regs[] = {
+ /* XXX_CNT are reading clear register */
+ {"QM_ECC_1BIT_CNT ", 0x104000ull},
+ {"QM_ECC_MBIT_CNT ", 0x104008ull},
+ {"QM_DFX_MB_CNT ", 0x104018ull},
+ {"QM_DFX_DB_CNT ", 0x104028ull},
+ {"QM_DFX_SQE_CNT ", 0x104038ull},
+ {"QM_DFX_CQE_CNT ", 0x104048ull},
+ {"QM_DFX_SEND_SQE_TO_ACC_CNT ", 0x104050ull},
+ {"QM_DFX_WB_SQE_FROM_ACC_CNT ", 0x104058ull},
+ {"QM_DFX_ACC_FINISH_CNT ", 0x104060ull},
+ {"QM_DFX_CQE_ERR_CNT ", 0x1040b4ull},
+ {"QM_DFX_FUNS_ACTIVE_ST ", 0x200ull},
+ {"QM_ECC_1BIT_INF ", 0x104004ull},
+ {"QM_ECC_MBIT_INF ", 0x10400cull},
+ {"QM_DFX_ACC_RDY_VLD0 ", 0x1040a0ull},
+ {"QM_DFX_ACC_RDY_VLD1 ", 0x1040a4ull},
+ {"QM_DFX_AXI_RDY_VLD ", 0x1040a8ull},
+ {"QM_DFX_FF_ST0 ", 0x1040c8ull},
+ {"QM_DFX_FF_ST1 ", 0x1040ccull},
+ {"QM_DFX_FF_ST2 ", 0x1040d0ull},
+ {"QM_DFX_FF_ST3 ", 0x1040d4ull},
+ {"QM_DFX_FF_ST4 ", 0x1040d8ull},
+ {"QM_DFX_FF_ST5 ", 0x1040dcull},
+ {"QM_DFX_FF_ST6 ", 0x1040e0ull},
+ {"QM_IN_IDLE_ST ", 0x1040e4ull},
+ { NULL, 0}
+};
+
+static struct qm_dfx_registers qm_vf_dfx_regs[] = {
+ {"QM_DFX_FUNS_ACTIVE_ST ", 0x200ull},
+ { NULL, 0}
+};
+
+static int qm_regs_show(struct seq_file *s, void *unused)
+{
+ struct hisi_qm *qm = s->private;
+ struct qm_dfx_registers *regs;
+ u32 val;
+
+ if (qm->fun_type == QM_HW_PF)
+ regs = qm_dfx_regs;
+ else
+ regs = qm_vf_dfx_regs;
+
+ while (regs->reg_name) {
+ val = readl(qm->io_base + regs->reg_offset);
+ seq_printf(s, "%s= 0x%08x\n", regs->reg_name, val);
+ regs++;
+ }
+
+ return 0;
+}
+
+static int qm_regs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, qm_regs_show, inode->i_private);
+}
+
+static const struct file_operations qm_regs_fops = {
+ .owner = THIS_MODULE,
+ .open = qm_regs_open,
+ .read = seq_read,
+};
+
+static int qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index)
+{
+ struct dentry *qm_d = qm->debug.qm_d, *tmp;
+ struct debugfs_file *file = qm->debug.files + index;
+
+ tmp = debugfs_create_file(qm_debug_file_name[index], 0600, qm_d, file,
+ &qm_debug_fops);
+ if (IS_ERR(tmp))
+ return -ENOENT;
+
+ file->index = index;
+ mutex_init(&file->lock);
+ file->debug = &qm->debug;
+
+ return 0;
+}
+
static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
u32 msi)
{
@@ -1539,6 +1772,74 @@ int hisi_qm_stop(struct hisi_qm *qm)
EXPORT_SYMBOL_GPL(hisi_qm_stop);
/**
+ * hisi_qm_debug_init() - Initialize qm related debugfs files.
+ * @qm: The qm for which we want to add debugfs files.
+ *
+ * Create qm related debugfs files.
+ */
+int hisi_qm_debug_init(struct hisi_qm *qm)
+{
+ struct dentry *qm_d, *qm_regs;
+ int i, ret;
+
+ qm_d = debugfs_create_dir("qm", qm->debug.debug_root);
+ if (IS_ERR(qm_d))
+ return -ENOENT;
+ qm->debug.qm_d = qm_d;
+
+ /* only show this in PF */
+ if (qm->fun_type == QM_HW_PF)
+ for (i = CURRENT_Q; i < DEBUG_FILE_NUM; i++)
+ if (qm_create_debugfs_file(qm, i)) {
+ ret = -ENOENT;
+ goto failed_to_create;
+ }
+
+ qm_regs = debugfs_create_file("qm_regs", 0444, qm->debug.qm_d, qm,
+ &qm_regs_fops);
+ if (IS_ERR(qm_regs)) {
+ ret = -ENOENT;
+ goto failed_to_create;
+ }
+
+ return 0;
+
+failed_to_create:
+ debugfs_remove_recursive(qm_d);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_debug_init);
+
+/**
+ * hisi_qm_debug_regs_clear() - clear qm debug related registers.
+ * @qm: The qm for which we want to clear its debug registers.
+ */
+void hisi_qm_debug_regs_clear(struct hisi_qm *qm)
+{
+ struct qm_dfx_registers *regs;
+ int i;
+
+ /* clear current_q */
+ writel(0x0, qm->io_base + QM_DFX_SQE_CNT_VF_SQN);
+ writel(0x0, qm->io_base + QM_DFX_CQE_CNT_VF_CQN);
+
+ /*
+ * these registers are reading and clearing, so clear them after
+ * reading them.
+ */
+ writel(0x1, qm->io_base + QM_DFX_CNT_CLR_CE);
+
+ regs = qm_dfx_regs;
+ for (i = 0; i < CNT_CYC_REGS_NUM; i++) {
+ readl(qm->io_base + regs->reg_offset);
+ regs++;
+ }
+
+ writel(0x0, qm->io_base + QM_DFX_CNT_CLR_CE);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_debug_regs_clear);
+
+/**
* hisi_qm_hw_error_init() - Configure qm hardware error report method.
* @qm: The qm which we want to configure.
* @ce: Bit mask of correctable error configure.
diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
index 8b3cb69..70e672ae 100644
--- a/drivers/crypto/hisilicon/qm.h
+++ b/drivers/crypto/hisilicon/qm.h
@@ -46,6 +46,13 @@
#define PEH_AXUSER_CFG 0x401001
#define PEH_AXUSER_CFG_ENABLE 0xffffffff
+#define QM_DFX_MB_CNT_VF 0x104010
+#define QM_DFX_DB_CNT_VF 0x104020
+#define QM_DFX_SQE_CNT_VF_SQN 0x104030
+#define QM_DFX_CQE_CNT_VF_CQN 0x104040
+#define QM_DFX_QN_SHIFT 16
+#define CURRENT_FUN_MASK GENMASK(5, 0)
+#define CURRENT_Q_MASK GENMASK(31, 16)
#define QM_AXI_RRESP BIT(0)
#define QM_AXI_BRESP BIT(1)
@@ -83,6 +90,25 @@ enum qm_fun_type {
QM_HW_VF,
};
+enum qm_debug_file {
+ CURRENT_Q,
+ CLEAR_ENABLE,
+ DEBUG_FILE_NUM,
+};
+
+struct debugfs_file {
+ enum qm_debug_file index;
+ struct mutex lock;
+ struct qm_debug *debug;
+};
+
+struct qm_debug {
+ u32 curr_qm_qp_num;
+ struct dentry *debug_root;
+ struct dentry *qm_d;
+ struct debugfs_file files[DEBUG_FILE_NUM];
+};
+
struct qm_dma {
void *va;
dma_addr_t dma;
@@ -128,6 +154,8 @@ struct hisi_qm {
const struct hisi_qm_hw_ops *ops;
+ struct qm_debug debug;
+
u32 error_mask;
u32 msi_mask;
@@ -183,4 +211,5 @@ void hisi_qm_hw_error_init(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
u32 msi);
int hisi_qm_hw_error_handle(struct hisi_qm *qm);
enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
+void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
#endif
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index b3e4f1a..6e0ca75 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -3,11 +3,13 @@
#include <linux/acpi.h>
#include <linux/aer.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/seq_file.h>
#include <linux/topology.h>
#include "zip.h"
@@ -32,6 +34,7 @@
DECOMP2_ENABLE | DECOMP3_ENABLE | \
DECOMP4_ENABLE | DECOMP5_ENABLE)
#define 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
@@ -45,7 +48,16 @@
#define HZIP_DATA_WUSER_32_63 0x301134
#define HZIP_BD_WUSER_32_63 0x301140
+#define HZIP_QM_IDEL_STATUS 0x3040e4
+#define HZIP_CORE_DEBUG_COMP_0 0x302000
+#define HZIP_CORE_DEBUG_COMP_1 0x303000
+#define HZIP_CORE_DEBUG_DECOMP_0 0x304000
+#define HZIP_CORE_DEBUG_DECOMP_1 0x305000
+#define HZIP_CORE_DEBUG_DECOMP_2 0x306000
+#define HZIP_CORE_DEBUG_DECOMP_3 0x307000
+#define HZIP_CORE_DEBUG_DECOMP_4 0x308000
+#define HZIP_CORE_DEBUG_DECOMP_5 0x309000
#define HZIP_CORE_INT_SOURCE 0x3010A0
#define HZIP_CORE_INT_MASK 0x3010A4
@@ -55,14 +67,23 @@
#define SRAM_ECC_ERR_NUM_SHIFT 16
#define SRAM_ECC_ERR_ADDR_SHIFT 24
#define HZIP_CORE_INT_DISABLE 0x000007FF
+#define HZIP_COMP_CORE_NUM 2
+#define HZIP_DECOMP_CORE_NUM 6
+#define HZIP_CORE_NUM (HZIP_COMP_CORE_NUM + \
+ HZIP_DECOMP_CORE_NUM)
#define HZIP_SQE_SIZE 128
+#define HZIP_SQ_SIZE (HZIP_SQE_SIZE * QM_Q_DEPTH)
#define HZIP_PF_DEF_Q_NUM 64
#define HZIP_PF_DEF_Q_BASE 0
+#define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000
+#define SOFT_CTRL_CNT_CLR_CE_BIT BIT(0)
#define HZIP_NUMA_DISTANCE 100
+#define HZIP_BUF_SIZE 22
static const char hisi_zip_name[] = "hisi_zip";
+static struct dentry *hzip_debugfs_root;
LIST_HEAD(hisi_zip_list);
DEFINE_MUTEX(hisi_zip_list_lock);
@@ -121,6 +142,23 @@ static const struct hisi_zip_hw_error zip_hw_error[] = {
{ /* sentinel */ }
};
+enum ctrl_debug_file_index {
+ HZIP_CURRENT_QM,
+ HZIP_CLEAR_ENABLE,
+ HZIP_DEBUG_FILE_NUM,
+};
+
+static const char * const ctrl_debug_file_name[] = {
+ [HZIP_CURRENT_QM] = "current_qm",
+ [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.
@@ -130,6 +168,55 @@ static const struct hisi_zip_hw_error zip_hw_error[] = {
struct hisi_zip_ctrl {
u32 num_vfs;
struct hisi_zip *hisi_zip;
+ struct dentry *debug_root;
+ struct ctrl_debug_file files[HZIP_DEBUG_FILE_NUM];
+};
+
+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 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_COMSUMED_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 int pf_q_num_set(const char *val, const struct kernel_param *kp)
@@ -266,6 +353,265 @@ static void hisi_zip_hw_error_set_state(struct hisi_zip *hisi_zip, bool state)
}
}
+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 current_qm_read(struct ctrl_debug_file *file)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+
+ return readl(qm->io_base + QM_DFX_MB_CNT_VF);
+}
+
+static int current_qm_write(struct ctrl_debug_file *file, u32 val)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+ struct hisi_zip_ctrl *ctrl = file->ctrl;
+ u32 vfq_num;
+ u32 tmp;
+
+ if (val > ctrl->num_vfs)
+ return -EINVAL;
+
+ /* Calculate curr_qm_qp_num and store */
+ if (val == 0) {
+ qm->debug.curr_qm_qp_num = qm->qp_num;
+ } else {
+ vfq_num = (qm->ctrl_qp_num - qm->qp_num) / ctrl->num_vfs;
+ if (val == ctrl->num_vfs)
+ qm->debug.curr_qm_qp_num = qm->ctrl_qp_num -
+ qm->qp_num - (ctrl->num_vfs - 1) * vfq_num;
+ else
+ qm->debug.curr_qm_qp_num = vfq_num;
+ }
+
+ writel(val, qm->io_base + QM_DFX_MB_CNT_VF);
+ writel(val, qm->io_base + QM_DFX_DB_CNT_VF);
+
+ tmp = val |
+ (readl(qm->io_base + QM_DFX_SQE_CNT_VF_SQN) & CURRENT_Q_MASK);
+ writel(tmp, qm->io_base + QM_DFX_SQE_CNT_VF_SQN);
+
+ tmp = val |
+ (readl(qm->io_base + QM_DFX_CQE_CNT_VF_CQN) & CURRENT_Q_MASK);
+ writel(tmp, qm->io_base + QM_DFX_CQE_CNT_VF_CQN);
+
+ return 0;
+}
+
+static u32 clear_enable_read(struct ctrl_debug_file *file)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+
+ return readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) &
+ SOFT_CTRL_CNT_CLR_CE_BIT;
+}
+
+static int clear_enable_write(struct ctrl_debug_file *file, u32 val)
+{
+ struct hisi_qm *qm = file_to_qm(file);
+ u32 tmp;
+
+ if (val != 1 && val != 0)
+ return -EINVAL;
+
+ tmp = (readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) &
+ ~SOFT_CTRL_CNT_CLR_CE_BIT) | val;
+ writel(tmp, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE);
+
+ return 0;
+}
+
+static ssize_t ctrl_debug_read(struct file *filp, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct ctrl_debug_file *file = filp->private_data;
+ char tbuf[HZIP_BUF_SIZE];
+ u32 val;
+ int ret;
+
+ spin_lock_irq(&file->lock);
+ switch (file->index) {
+ case HZIP_CURRENT_QM:
+ val = current_qm_read(file);
+ break;
+ case HZIP_CLEAR_ENABLE:
+ val = clear_enable_read(file);
+ break;
+ default:
+ spin_unlock_irq(&file->lock);
+ return -EINVAL;
+ }
+ spin_unlock_irq(&file->lock);
+ ret = sprintf(tbuf, "%u\n", val);
+ return simple_read_from_buffer(buf, count, pos, tbuf, ret);
+}
+
+static ssize_t ctrl_debug_write(struct file *filp, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct ctrl_debug_file *file = filp->private_data;
+ 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';
+ if (kstrtoul(tbuf, 0, &val))
+ return -EFAULT;
+
+ spin_lock_irq(&file->lock);
+ switch (file->index) {
+ case HZIP_CURRENT_QM:
+ ret = current_qm_write(file, val);
+ if (ret)
+ goto err_input;
+ break;
+ case HZIP_CLEAR_ENABLE:
+ ret = clear_enable_write(file, val);
+ if (ret)
+ goto err_input;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err_input;
+ }
+ spin_unlock_irq(&file->lock);
+
+ return count;
+
+err_input:
+ spin_unlock_irq(&file->lock);
+ return ret;
+}
+
+static const struct file_operations ctrl_debug_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = ctrl_debug_read,
+ .write = ctrl_debug_write,
+};
+
+static int hisi_zip_core_debug_init(struct hisi_zip_ctrl *ctrl)
+{
+ struct hisi_zip *hisi_zip = ctrl->hisi_zip;
+ struct hisi_qm *qm = &hisi_zip->qm;
+ struct device *dev = &qm->pdev->dev;
+ struct debugfs_regset32 *regset;
+ struct dentry *tmp_d, *tmp;
+ char buf[HZIP_BUF_SIZE];
+ int i;
+
+ for (i = 0; i < HZIP_CORE_NUM; i++) {
+ if (i < HZIP_COMP_CORE_NUM)
+ sprintf(buf, "comp_core%d", i);
+ else
+ sprintf(buf, "decomp_core%d", i - HZIP_COMP_CORE_NUM);
+
+ tmp_d = debugfs_create_dir(buf, ctrl->debug_root);
+ if (!tmp_d)
+ return -ENOENT;
+
+ 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];
+
+ tmp = debugfs_create_regset32("regs", 0444, tmp_d, regset);
+ if (!tmp)
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+static int hisi_zip_ctrl_debug_init(struct hisi_zip_ctrl *ctrl)
+{
+ struct dentry *tmp;
+ int i;
+
+ for (i = HZIP_CURRENT_QM; i < HZIP_DEBUG_FILE_NUM; i++) {
+ spin_lock_init(&ctrl->files[i].lock);
+ ctrl->files[i].ctrl = ctrl;
+ ctrl->files[i].index = i;
+
+ tmp = debugfs_create_file(ctrl_debug_file_name[i], 0600,
+ ctrl->debug_root, ctrl->files + i,
+ &ctrl_debug_fops);
+ if (!tmp)
+ return -ENOENT;
+ }
+
+ return hisi_zip_core_debug_init(ctrl);
+}
+
+static int hisi_zip_debugfs_init(struct hisi_zip *hisi_zip)
+{
+ struct hisi_qm *qm = &hisi_zip->qm;
+ struct device *dev = &qm->pdev->dev;
+ struct dentry *dev_d;
+ int ret;
+
+ dev_d = debugfs_create_dir(dev_name(dev), hzip_debugfs_root);
+ if (!dev_d)
+ return -ENOENT;
+
+ qm->debug.debug_root = dev_d;
+ ret = hisi_qm_debug_init(qm);
+ if (ret)
+ goto failed_to_create;
+
+ if (qm->fun_type == QM_HW_PF) {
+ hisi_zip->ctrl->debug_root = dev_d;
+ ret = hisi_zip_ctrl_debug_init(hisi_zip->ctrl);
+ if (ret)
+ goto failed_to_create;
+ }
+
+ return 0;
+
+failed_to_create:
+ debugfs_remove_recursive(hzip_debugfs_root);
+ return ret;
+}
+
+static void hisi_zip_debug_regs_clear(struct hisi_zip *hisi_zip)
+{
+ struct hisi_qm *qm = &hisi_zip->qm;
+
+ writel(0x0, qm->io_base + QM_DFX_MB_CNT_VF);
+ writel(0x0, qm->io_base + QM_DFX_DB_CNT_VF);
+ 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_zip *hisi_zip)
+{
+ struct hisi_qm *qm = &hisi_zip->qm;
+
+ debugfs_remove_recursive(qm->debug.debug_root);
+
+ if (qm->fun_type == QM_HW_PF)
+ hisi_zip_debug_regs_clear(hisi_zip);
+}
+
static void hisi_zip_hw_error_init(struct hisi_zip *hisi_zip)
{
hisi_qm_hw_error_init(&hisi_zip->qm, QM_BASE_CE,
@@ -301,6 +647,7 @@ static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip)
hisi_zip_set_user_domain_and_cache(hisi_zip);
hisi_zip_hw_error_init(hisi_zip);
+ hisi_zip_debug_regs_clear(hisi_zip);
return 0;
}
@@ -376,6 +723,10 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (ret)
goto err_qm_uninit;
+ ret = hisi_zip_debugfs_init(hisi_zip);
+ if (ret)
+ dev_err(&pdev->dev, "Failed to init debugfs (%d)!\n", ret);
+
hisi_zip_add_to_list(hisi_zip);
return 0;
@@ -501,6 +852,7 @@ static void hisi_zip_remove(struct pci_dev *pdev)
if (qm->fun_type == QM_HW_PF && hisi_zip->ctrl->num_vfs != 0)
hisi_zip_sriov_disable(pdev);
+ hisi_zip_debugfs_exit(hisi_zip);
hisi_qm_stop(qm);
if (qm->fun_type == QM_HW_PF)
@@ -600,14 +952,31 @@ static struct pci_driver hisi_zip_pci_driver = {
.err_handler = &hisi_zip_err_handler,
};
+static void hisi_zip_register_debugfs(void)
+{
+ if (!debugfs_initialized())
+ return;
+
+ hzip_debugfs_root = debugfs_create_dir("hisi_zip", NULL);
+ if (IS_ERR_OR_NULL(hzip_debugfs_root))
+ hzip_debugfs_root = NULL;
+}
+
+static void hisi_zip_unregister_debugfs(void)
+{
+ debugfs_remove_recursive(hzip_debugfs_root);
+}
+
static int __init hisi_zip_init(void)
{
int ret;
+ hisi_zip_register_debugfs();
+
ret = pci_register_driver(&hisi_zip_pci_driver);
if (ret < 0) {
pr_err("Failed to register pci driver.\n");
- return ret;
+ goto err_pci;
}
if (uacce_mode == 0 || uacce_mode == 2) {
@@ -622,6 +991,9 @@ static int __init hisi_zip_init(void)
err_crypto:
pci_unregister_driver(&hisi_zip_pci_driver);
+err_pci:
+ hisi_zip_unregister_debugfs();
+
return ret;
}
@@ -630,6 +1002,7 @@ static void __exit hisi_zip_exit(void)
if (uacce_mode == 0 || uacce_mode == 2)
hisi_zip_unregister_from_crypto();
pci_unregister_driver(&hisi_zip_pci_driver);
+ hisi_zip_unregister_debugfs();
}
module_init(hisi_zip_init);
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v3 7/7] MAINTAINERS: add maintainer for HiSilicon QM and ZIP controller driver
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
` (5 preceding siblings ...)
2019-08-02 7:57 ` [PATCH v3 6/7] crypto: hisilicon - add debugfs for ZIP and QM Zhou Wang
@ 2019-08-02 7:57 ` Zhou Wang
2019-08-08 12:41 ` [PATCH v3 0/7] crypto: hisilicon: Add " Zhou Wang
2019-08-09 6:19 ` Herbert Xu
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-02 7:57 UTC (permalink / raw)
To: herbert, davem, linux-crypto; +Cc: linuxarm, linux-kernel, Zhou Wang
Add Zhou Wang as a maintainer for HiSilicon QM and ZIP controller driver.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: John Garry <john.garry@huawei.com>
---
MAINTAINERS | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 783569e..667aac4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7307,6 +7307,17 @@ S: Supported
F: drivers/scsi/hisi_sas/
F: Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
+HISILICON QM AND ZIP Controller DRIVER
+M: Zhou Wang <wangzhou1@hisilicon.com>
+L: linux-crypto@vger.kernel.org
+S: Maintained
+F: drivers/crypto/hisilicon/qm.c
+F: drivers/crypto/hisilicon/qm.h
+F: drivers/crypto/hisilicon/sgl.c
+F: drivers/crypto/hisilicon/sgl.h
+F: drivers/crypto/hisilicon/zip/
+F: Documentation/ABI/testing/debugfs-hisi-zip
+
HMM - Heterogeneous Memory Management
M: Jérôme Glisse <jglisse@redhat.com>
L: linux-mm@kvack.org
--
2.8.1
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
` (6 preceding siblings ...)
2019-08-02 7:57 ` [PATCH v3 7/7] MAINTAINERS: add maintainer for HiSilicon QM and ZIP controller driver Zhou Wang
@ 2019-08-08 12:41 ` Zhou Wang
2019-08-09 6:19 ` Herbert Xu
8 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-08 12:41 UTC (permalink / raw)
To: herbert, davem, linux-crypto; +Cc: linuxarm, linux-kernel
On 2019/8/2 15:57, Zhou Wang wrote:
> This series adds HiSilicon QM and ZIP controller driver in crypto subsystem.
>
> A simple QM/ZIP driver which helps to provide an example for a general
> accelerator framework is under review in community[1]. Based on this simple
> driver, this series adds HW v2 support, PCI passthrough, PCI/misc error
> handler, debug support. But unlike [1], driver in this patchset only registers
> to crypto subsystem.
>
> There will be a long discussion about above accelerator framework in the
> process of upstreaming. So let's firstly review and upstream QM/ZIP crypto
> driver.
>
> Changes v2 -> v3:
> - Change to register zlib/gzip to crypto acomp.
> - As acomp is using sgl interface, add a common hardware sgl module which
> also can be used in other HiSilicon accelerator drivers.
> - Change irq thread to work queue in the flow of irq handler in QM.
> - Split SRIOV and debugfs out for the convenience of review.
> - rebased on v5.3-rc1.
> - Some tiny fixes.
>
> Links:
> - v2 https://lkml.org/lkml/2019/1/23/358
> - v1 https://lwn.net/Articles/775484/
> - rfc https://lkml.org/lkml/2018/12/13/290
>
> Note: this series is based on https://lkml.org/lkml/2019/7/23/1135
>
> Reference:
> [1] https://lkml.org/lkml/2018/11/12/1951
>
> Zhou Wang (7):
> crypto: hisilicon: Add queue management driver for HiSilicon QM module
> crypto: hisilicon: Add hardware SGL support
> crypto: hisilicon: Add HiSilicon ZIP accelerator support
> crypto: hisilicon: Add SRIOV support for ZIP
> Documentation: Add debugfs doc for hisi_zip
> crypto: hisilicon: Add debugfs for ZIP and QM
> MAINTAINERS: add maintainer for HiSilicon QM and ZIP controller driver
>
> Documentation/ABI/testing/debugfs-hisi-zip | 50 +
> MAINTAINERS | 11 +
> drivers/crypto/hisilicon/Kconfig | 23 +
> drivers/crypto/hisilicon/Makefile | 3 +
> drivers/crypto/hisilicon/qm.c | 1912 ++++++++++++++++++++++++++++
> drivers/crypto/hisilicon/qm.h | 215 ++++
> drivers/crypto/hisilicon/sgl.c | 214 ++++
> drivers/crypto/hisilicon/sgl.h | 24 +
> drivers/crypto/hisilicon/zip/Makefile | 2 +
> drivers/crypto/hisilicon/zip/zip.h | 71 ++
> drivers/crypto/hisilicon/zip/zip_crypto.c | 651 ++++++++++
> drivers/crypto/hisilicon/zip/zip_main.c | 1013 +++++++++++++++
> 12 files changed, 4189 insertions(+)
> create mode 100644 Documentation/ABI/testing/debugfs-hisi-zip
> create mode 100644 drivers/crypto/hisilicon/qm.c
> create mode 100644 drivers/crypto/hisilicon/qm.h
> create mode 100644 drivers/crypto/hisilicon/sgl.c
> create mode 100644 drivers/crypto/hisilicon/sgl.h
> create mode 100644 drivers/crypto/hisilicon/zip/Makefile
> create mode 100644 drivers/crypto/hisilicon/zip/zip.h
> create mode 100644 drivers/crypto/hisilicon/zip/zip_crypto.c
> create mode 100644 drivers/crypto/hisilicon/zip/zip_main.c
>
Any comments for this version?
Best,
Zhou
^ permalink raw reply [flat|nested] 11+ messages in thread* Re: [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver
2019-08-02 7:57 [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver Zhou Wang
` (7 preceding siblings ...)
2019-08-08 12:41 ` [PATCH v3 0/7] crypto: hisilicon: Add " Zhou Wang
@ 2019-08-09 6:19 ` Herbert Xu
2019-08-09 7:14 ` Zhou Wang
8 siblings, 1 reply; 11+ messages in thread
From: Herbert Xu @ 2019-08-09 6:19 UTC (permalink / raw)
To: Zhou Wang; +Cc: davem, linux-crypto, linuxarm, linux-kernel
On Fri, Aug 02, 2019 at 03:57:49PM +0800, Zhou Wang wrote:
> This series adds HiSilicon QM and ZIP controller driver in crypto subsystem.
>
> A simple QM/ZIP driver which helps to provide an example for a general
> accelerator framework is under review in community[1]. Based on this simple
> driver, this series adds HW v2 support, PCI passthrough, PCI/misc error
> handler, debug support. But unlike [1], driver in this patchset only registers
> to crypto subsystem.
>
> There will be a long discussion about above accelerator framework in the
> process of upstreaming. So let's firstly review and upstream QM/ZIP crypto
> driver.
>
> Changes v2 -> v3:
> - Change to register zlib/gzip to crypto acomp.
> - As acomp is using sgl interface, add a common hardware sgl module which
> also can be used in other HiSilicon accelerator drivers.
> - Change irq thread to work queue in the flow of irq handler in QM.
> - Split SRIOV and debugfs out for the convenience of review.
> - rebased on v5.3-rc1.
> - Some tiny fixes.
>
> Links:
> - v2 https://lkml.org/lkml/2019/1/23/358
> - v1 https://lwn.net/Articles/775484/
> - rfc https://lkml.org/lkml/2018/12/13/290
>
> Note: this series is based on https://lkml.org/lkml/2019/7/23/1135
>
> Reference:
> [1] https://lkml.org/lkml/2018/11/12/1951
>
> Zhou Wang (7):
> crypto: hisilicon: Add queue management driver for HiSilicon QM module
> crypto: hisilicon: Add hardware SGL support
> crypto: hisilicon: Add HiSilicon ZIP accelerator support
> crypto: hisilicon: Add SRIOV support for ZIP
> Documentation: Add debugfs doc for hisi_zip
> crypto: hisilicon: Add debugfs for ZIP and QM
> MAINTAINERS: add maintainer for HiSilicon QM and ZIP controller driver
>
> Documentation/ABI/testing/debugfs-hisi-zip | 50 +
> MAINTAINERS | 11 +
> drivers/crypto/hisilicon/Kconfig | 23 +
> drivers/crypto/hisilicon/Makefile | 3 +
> drivers/crypto/hisilicon/qm.c | 1912 ++++++++++++++++++++++++++++
> drivers/crypto/hisilicon/qm.h | 215 ++++
> drivers/crypto/hisilicon/sgl.c | 214 ++++
> drivers/crypto/hisilicon/sgl.h | 24 +
> drivers/crypto/hisilicon/zip/Makefile | 2 +
> drivers/crypto/hisilicon/zip/zip.h | 71 ++
> drivers/crypto/hisilicon/zip/zip_crypto.c | 651 ++++++++++
> drivers/crypto/hisilicon/zip/zip_main.c | 1013 +++++++++++++++
> 12 files changed, 4189 insertions(+)
> create mode 100644 Documentation/ABI/testing/debugfs-hisi-zip
> create mode 100644 drivers/crypto/hisilicon/qm.c
> create mode 100644 drivers/crypto/hisilicon/qm.h
> create mode 100644 drivers/crypto/hisilicon/sgl.c
> create mode 100644 drivers/crypto/hisilicon/sgl.h
> create mode 100644 drivers/crypto/hisilicon/zip/Makefile
> create mode 100644 drivers/crypto/hisilicon/zip/zip.h
> create mode 100644 drivers/crypto/hisilicon/zip/zip_crypto.c
> create mode 100644 drivers/crypto/hisilicon/zip/zip_main.c
All applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
^ permalink raw reply [flat|nested] 11+ messages in thread* Re: [PATCH v3 0/7] crypto: hisilicon: Add HiSilicon QM and ZIP controller driver
2019-08-09 6:19 ` Herbert Xu
@ 2019-08-09 7:14 ` Zhou Wang
0 siblings, 0 replies; 11+ messages in thread
From: Zhou Wang @ 2019-08-09 7:14 UTC (permalink / raw)
To: Herbert Xu; +Cc: davem, linux-crypto, linuxarm, linux-kernel
On 2019/8/9 14:19, Herbert Xu wrote:
> On Fri, Aug 02, 2019 at 03:57:49PM +0800, Zhou Wang wrote:
>> This series adds HiSilicon QM and ZIP controller driver in crypto subsystem.
>>
>> A simple QM/ZIP driver which helps to provide an example for a general
>> accelerator framework is under review in community[1]. Based on this simple
>> driver, this series adds HW v2 support, PCI passthrough, PCI/misc error
>> handler, debug support. But unlike [1], driver in this patchset only registers
>> to crypto subsystem.
>>
>> There will be a long discussion about above accelerator framework in the
>> process of upstreaming. So let's firstly review and upstream QM/ZIP crypto
>> driver.
>>
>> Changes v2 -> v3:
>> - Change to register zlib/gzip to crypto acomp.
>> - As acomp is using sgl interface, add a common hardware sgl module which
>> also can be used in other HiSilicon accelerator drivers.
>> - Change irq thread to work queue in the flow of irq handler in QM.
>> - Split SRIOV and debugfs out for the convenience of review.
>> - rebased on v5.3-rc1.
>> - Some tiny fixes.
>>
>> Links:
>> - v2 https://lkml.org/lkml/2019/1/23/358
>> - v1 https://lwn.net/Articles/775484/
>> - rfc https://lkml.org/lkml/2018/12/13/290
>>
>> Note: this series is based on https://lkml.org/lkml/2019/7/23/1135
>>
>> Reference:
>> [1] https://lkml.org/lkml/2018/11/12/1951
>>
>> Zhou Wang (7):
>> crypto: hisilicon: Add queue management driver for HiSilicon QM module
>> crypto: hisilicon: Add hardware SGL support
>> crypto: hisilicon: Add HiSilicon ZIP accelerator support
>> crypto: hisilicon: Add SRIOV support for ZIP
>> Documentation: Add debugfs doc for hisi_zip
>> crypto: hisilicon: Add debugfs for ZIP and QM
>> MAINTAINERS: add maintainer for HiSilicon QM and ZIP controller driver
>>
>> Documentation/ABI/testing/debugfs-hisi-zip | 50 +
>> MAINTAINERS | 11 +
>> drivers/crypto/hisilicon/Kconfig | 23 +
>> drivers/crypto/hisilicon/Makefile | 3 +
>> drivers/crypto/hisilicon/qm.c | 1912 ++++++++++++++++++++++++++++
>> drivers/crypto/hisilicon/qm.h | 215 ++++
>> drivers/crypto/hisilicon/sgl.c | 214 ++++
>> drivers/crypto/hisilicon/sgl.h | 24 +
>> drivers/crypto/hisilicon/zip/Makefile | 2 +
>> drivers/crypto/hisilicon/zip/zip.h | 71 ++
>> drivers/crypto/hisilicon/zip/zip_crypto.c | 651 ++++++++++
>> drivers/crypto/hisilicon/zip/zip_main.c | 1013 +++++++++++++++
>> 12 files changed, 4189 insertions(+)
>> create mode 100644 Documentation/ABI/testing/debugfs-hisi-zip
>> create mode 100644 drivers/crypto/hisilicon/qm.c
>> create mode 100644 drivers/crypto/hisilicon/qm.h
>> create mode 100644 drivers/crypto/hisilicon/sgl.c
>> create mode 100644 drivers/crypto/hisilicon/sgl.h
>> create mode 100644 drivers/crypto/hisilicon/zip/Makefile
>> create mode 100644 drivers/crypto/hisilicon/zip/zip.h
>> create mode 100644 drivers/crypto/hisilicon/zip/zip_crypto.c
>> create mode 100644 drivers/crypto/hisilicon/zip/zip_main.c
>
> All applied. Thanks.
Many thanks.
Zhou
>
^ permalink raw reply [flat|nested] 11+ messages in thread