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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:11:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:11:14 -0700
commit8b53c76533aa4356602aea98f98a2f3b4051464c (patch)
treeab10ba58e21501407f8108a6bb9003daa2176962 /drivers/crypto/hisilicon/qm.h
parent6cfae0c26b21dce323fe8799b66cf4bc996e3565 (diff)
parent9575d1a5c0780ea26ff8dd29c94a32be32ce3c85 (diff)
downloadlinux-8b53c76533aa4356602aea98f98a2f3b4051464c.tar.gz
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Add the ability to abort a skcipher walk. Algorithms: - Fix XTS to actually do the stealing. - Add library helpers for AES and DES for single-block users. - Add library helpers for SHA256. - Add new DES key verification helper. - Add surrounding bits for ESSIV generator. - Add accelerations for aegis128. - Add test vectors for lzo-rle. Drivers: - Add i.MX8MQ support to caam. - Add gcm/ccm/cfb/ofb aes support in inside-secure. - Add ofb/cfb aes support in media-tek. - Add HiSilicon ZIP accelerator support. Others: - Fix potential race condition in padata. - Use unbound workqueues in padata" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (311 commits) crypto: caam - Cast to long first before pointer conversion crypto: ccree - enable CTS support in AES-XTS crypto: inside-secure - Probe transform record cache RAM sizes crypto: inside-secure - Base RD fetchcount on actual RD FIFO size crypto: inside-secure - Base CD fetchcount on actual CD FIFO size crypto: inside-secure - Enable extended algorithms on newer HW crypto: inside-secure: Corrected configuration of EIP96_TOKEN_CTRL crypto: inside-secure - Add EIP97/EIP197 and endianness detection padata: remove cpu_index from the parallel_queue padata: unbind parallel jobs from specific CPUs padata: use separate workqueues for parallel and serial work padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible crypto: pcrypt - remove padata cpumask notifier padata: make padata_do_parallel find alternate callback CPU workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs workqueue: unconfine alloc/apply/free_workqueue_attrs() padata: allocate workqueue internally arm64: dts: imx8mq: Add CAAM node random: Use wait_event_freezable() in add_hwgenerator_randomness() crypto: ux500 - Fix COMPILE_TEST warnings ...
Diffstat (limited to 'drivers/crypto/hisilicon/qm.h')
-rw-r--r--drivers/crypto/hisilicon/qm.h215
1 files changed, 215 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
new file mode 100644
index 000000000000..70e672ae86bf
--- /dev/null
+++ b/drivers/crypto/hisilicon/qm.h
@@ -0,0 +1,215 @@
+/* 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_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)
+#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,
+ 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;
+ 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;
+ enum qm_fun_type fun_type;
+ 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;
+
+ struct qm_debug debug;
+
+ 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_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);
+enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
+void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
+#endif