(linux-6.6.y) driver:crypto:add support for montage Mont-TSSE

arch/x86/configs/deepin_x86_desktop_defconfig

@@ -5548,6 +5548,7 @@ CONFIG_CRYPTO_DEV_ASPEED=m
 CONFIG_CRYPTO_DEV_ASPEED_HACE_HASH=y
 CONFIG_CRYPTO_DEV_ASPEED_HACE_CRYPTO=y
 CONFIG_CRYPTO_DEV_ASPEED_ACRY=y
+CONFIG_CRYPTO_DEV_TSSE=m
 CONFIG_PKCS8_PRIVATE_KEY_PARSER=m
 CONFIG_PKCS7_TEST_KEY=m
 CONFIG_SIGNED_PE_FILE_VERIFICATION=y

drivers/crypto/Kconfig

@@ -796,5 +796,6 @@ config CRYPTO_DEV_SA2UL
 
 source "drivers/crypto/aspeed/Kconfig"
 source "drivers/crypto/starfive/Kconfig"
+source "drivers/crypto/montage/Kconfig"
 
 endif # CRYPTO_HW

drivers/crypto/Makefile

@@ -51,3 +51,4 @@ obj-y += hisilicon/
 obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/
 obj-y += intel/
 obj-y += starfive/
+obj-y += montage/

drivers/crypto/montage/Kconfig

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+source "drivers/crypto/montage/tsse/Kconfig"

drivers/crypto/montage/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_CRYPTO_DEV_TSSE) += tsse/

drivers/crypto/montage/tsse/Kconfig

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config CRYPTO_DEV_TSSE
+	tristate "Support for Montage(R) TSSE"
+	depends on X86 && PCI
+	select FW_LOADER
+	help
+	  Support for Montage(R) TSSE for accelerating crypto workloads.
+
+	  To compile this as a module, choose M here.

drivers/crypto/montage/tsse/Makefile

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# This file is part of tsse driver for Linux
+#
+# Copyright © 2023 Montage Technology. All rights reserved.
+
+obj-m += tsse.o
+
+tsse-objs := tsse_dev_mgr.o \
+	tsse_ipc.o \
+	tsse_fw_service.o \
+	tsse_service.o \
+	tsse_irq.o \
+	tsse_dev_drv.o \
+	tsse_vuart.o

drivers/crypto/montage/tsse/tsse_dev.h

@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * This file is part of tsse driver for Linux
+ *
+ * Copyright © 2023 Montage Technology. All rights reserved.
+ */
+
+#ifndef __TSSE_DEV_H__
+#define __TSSE_DEV_H__
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pci-ats.h>
+#include <linux/serial_core.h>
+#include <linux/firmware.h>
+#include "tsse_ipc.h"
+
+#define TSSE_PCI_MAX_BARS 4
+#define TSSE_FW_VERSION_LEN 32
+
+struct tsse_bar {
+	void __iomem *virt_addr;
+	resource_size_t addr;
+	resource_size_t size;
+};
+struct tsse_dev_pci {
+	struct pci_dev *pci_dev;
+	struct tsse_bar bars[TSSE_PCI_MAX_BARS];
+	u8 revid;
+};
+enum tsse_dev_status_bit {
+	TSSE_DEV_STATUS_STARTING = 0,
+	TSSE_DEV_STATUS_STARTED = 1
+
+};
+struct tsse_qpairs_bank {
+	struct tsse_dev *tsse_dev;
+	void __iomem *reg_base;
+
+	u32 num_qparis;
+	u32 irq_vec;
+};
+struct tsse_dev {
+	struct module *owner;
+	struct dentry *debugfs_dir;
+	unsigned long status;
+	struct list_head list;
+	struct tsse_dev_pci tsse_pci_dev;
+	struct tsse_qpairs_bank qpairs_bank;
+	atomic_t ref_count;
+	bool is_vf;
+	int id;
+	u32 num_irqs;
+	u32 num_vfs;
+	struct uart_port *port;
+	struct tsse_ipc *ipc;
+	void *adi;
+	void *mbx_hw;
+	const struct firmware *fw;
+	char fw_version[TSSE_FW_VERSION_LEN];
+	bool fw_version_exist;
+};
+#define TSSEDEV_TO_DEV(tssedev) (&((tssedev)->tsse_pci_dev.pci_dev->dev))
+#define TSSE_DEV_BARS(tssedev) ((tssedev)->tsse_pci_dev.bars)
+
+#include "tsse_log.h"
+
+struct list_head *tsse_devmgr_get_head(void);
+
+int tsse_dev_get(struct tsse_dev *tsse_dev);
+void tsse_dev_put(struct tsse_dev *tsse_dev);
+int tsse_devmgr_add_dev(struct tsse_dev *tsse_dev);
+void tsse_devmgr_rm_dev(struct tsse_dev *tdev);
+int tsse_prepare_restart_dev(struct tsse_dev *tdev);
+int tsse_start_dev(struct tsse_dev *tdev);
+
+static inline struct tsse_dev *pci_to_tsse_dev(struct pci_dev *pci_dev)
+{
+	return (struct tsse_dev *)pci_get_drvdata(pci_dev);
+}
+
+static inline int tsse_get_cur_node(void)
+{
+	int cpu, node;
+
+	cpu = get_cpu();
+	node = topology_physical_package_id(cpu);
+	put_cpu();
+
+	return node;
+}
+
+static inline int tsse_dev_started(struct tsse_dev *tdev)
+{
+	return test_bit(TSSE_DEV_STATUS_STARTED, &tdev->status);
+}
+static inline int tsse_dev_in_use(struct tsse_dev *tdev)
+{
+	return atomic_read(&tdev->ref_count) != 0;
+}
+#endif