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[Deepin-Kernel-SIG] [linux 6.6-y] [Montage] montage: update Mont-TSSE driver #623

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Merged
Avenger-285714 merged 1 commit into from
Feb 24, 2025
Merged

[Deepin-Kernel-SIG] [linux 6.6-y] [Montage] montage: update Mont-TSSE driver #623

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6 changes: 6 additions & 0 deletions drivers/crypto/montage/tsse/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,12 @@ obj-m += tsse.o

tsse-objs := tsse_dev_mgr.o \
tsse_ipc.o \
tsse_ipc_epid.o \
tsse_ipc_api.o \
tsse_ipc_setup.o \
tsse_ipc_drv.o \
tsse_ipc_service.o \
tsse_ipc_hash.o \
tsse_fw_service.o \
tsse_service.o \
tsse_irq.o \
Expand Down
27 changes: 23 additions & 4 deletions drivers/crypto/montage/tsse/tsse_dev.h
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
/*
* This file is part of tsse driver for Linux
*
* Copyright © 2023 Montage Technology. All rights reserved.
* Copyright © 2023-2024 Montage Technology. All rights reserved.
*/

#ifndef __TSSE_DEV_H__
Expand All @@ -14,7 +14,7 @@
#include <linux/pci-ats.h>
#include <linux/serial_core.h>
#include <linux/firmware.h>
#include "tsse_ipc.h"
#include "tsse_ipc_setup.h"

#define TSSE_PCI_MAX_BARS 4
#define TSSE_FW_VERSION_LEN 32
Expand All @@ -37,8 +37,6 @@ enum tsse_dev_status_bit {
struct tsse_qpairs_bank {
struct tsse_dev *tsse_dev;
void __iomem *reg_base;

u32 num_qparis;
u32 irq_vec;
};
struct tsse_dev {
Expand All @@ -57,10 +55,12 @@ struct tsse_dev {
struct tsse_ipc *ipc;
void *adi;
void *mbx_hw;
void *fw_data;
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)

Expand All @@ -74,6 +74,10 @@ 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);
struct tsse_dev *tsse_get_dev_by_handle(int handle);

typedef int (*tsse_dev_process_func)(struct tsse_dev *tdev);
int tsse_process_for_all(tsse_dev_process_func func);

static inline struct tsse_dev *pci_to_tsse_dev(struct pci_dev *pci_dev)
{
Expand All @@ -99,4 +103,19 @@ static inline int tsse_dev_in_use(struct tsse_dev *tdev)
{
return atomic_read(&tdev->ref_count) != 0;
}

static inline void tsse_list_del(struct list_head *entry)
{
WRITE_ONCE(entry->next->prev, entry->prev);
WRITE_ONCE(entry->prev->next, entry->next);
}
static inline void tsse_list_add(struct list_head *new, struct list_head *prev,
struct list_head *next)
{
WRITE_ONCE(new->next, next);
WRITE_ONCE(new->prev, prev);
mb(); /* Make sure new node updates first */
WRITE_ONCE(next->prev, new);
WRITE_ONCE(prev->next, new);
}
#endif
72 changes: 45 additions & 27 deletions drivers/crypto/montage/tsse/tsse_dev_drv.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
/*
* This file is part of tsse driver for Linux
*
* Copyright © 2023 Montage Technology. All rights reserved.
* Copyright © 2023-2024 Montage Technology. All rights reserved.
*/

#include <linux/kernel.h>
Expand All @@ -15,7 +15,7 @@

#include "tsse_dev_drv.h"
#include "tsse_vuart.h"
#include "tsse_ipc.h"
#include "tsse_ipc_setup.h"
#include "tsse_fw_service.h"

#define CLUSTER_SLOT_CONFIG_OFFSET 0x5780000
Expand Down Expand Up @@ -87,22 +87,20 @@ static int tsse_sriov_configure(struct pci_dev *pdev, int num_vfs_param)

if (tdev->num_vfs > 0) {
tdev->num_irqs = TSSE_SRIOV_PF_MAX_IRQ_NUM;
tdev->qpairs_bank.num_qparis = TSSE_SRIOV_PF_MAX_QPAIR_NUM;
} else {
tdev->num_irqs = TSSE_PF_MAX_IRQ_NUM;
tdev->qpairs_bank.num_qparis = TSSE_PF_MAX_QPAIR_NUM;
}

tsse_dev_info(
tdev,
"num_irqs:%u num_qparis:%u qpairs' start irq vector index:%u qpairs' reg base:0x%lx\n",
tdev->num_irqs, tdev->qpairs_bank.num_qparis,
"num_irqs:%u, qpair start irq vector index:%u, qpair reg base:0x%lx\n",
tdev->num_irqs,
tdev->qpairs_bank.irq_vec, (ulong)tdev->qpairs_bank.reg_base);

ret = tsse_start_dev(tdev);
if (ret) {
dev_err(&pdev->dev, "%s %d: failed to start the device\n",
__func__, __LINE__);
dev_err(&pdev->dev, "%s %d: failed to start the device: %d\n",
__func__, __LINE__, ret);
return ret;
}

Expand All @@ -123,7 +121,7 @@ static int tsse_sriov_configure(struct pci_dev *pdev, int num_vfs_param)
* @buf: string that user writes
* @count: string length that user writes
* Return: the number of bytes used from the buffer, here it is just the count argument.
*/
*/
static ssize_t tsse_image_load_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
Expand Down Expand Up @@ -168,15 +166,31 @@ static int device_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -EINVAL;
}

/* Disable ASPM completely as that cause device performence low */
status = pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
PCIE_LINK_STATE_L1);
if (status) {
dev_info(&pdev->dev,
"%s %d: Disable ASPM failed(%d), may cause device performence low.\n",
__func__, __LINE__, status);
}

tdev = kzalloc_node(sizeof(*tdev), GFP_KERNEL, dev_to_node(&pdev->dev));

if (!tdev)
return -ENOMEM;

tdev->fw_data = kzalloc_node(TSSE_FIRMWARE_MAX_LENGTH, GFP_KERNEL, dev_to_node(&pdev->dev));

if (!tdev->fw_data) {
kfree(tdev);
return -ENOMEM;
}

status = pcim_enable_device(pdev);

if (status) {
dev_err(&pdev->dev, "pcim_enable_device failed\n");
dev_err(&pdev->dev, "pcim_enable_device failed: %d\n", status);
goto out_err;
}

Expand All @@ -200,7 +214,7 @@ static int device_probe(struct pci_dev *pdev, const struct pci_device_id *id)

status = pcim_iomap_regions(pdev, BIT(0) | BIT(2), TSSE_DEV_NAME);
if (status) {
dev_err(&pdev->dev, "I/O memory remapping failed\n");
dev_err(&pdev->dev, "I/O memory remapping failed: %d\n", status);
goto out_err;
}

Expand Down Expand Up @@ -232,7 +246,6 @@ static int device_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_drvdata(pdev, tdev);

tdev->num_irqs = TSSE_PF_MAX_IRQ_NUM;
tdev->qpairs_bank.num_qparis = TSSE_PF_MAX_QPAIR_NUM;
tdev->qpairs_bank.irq_vec = TSSE_PF_QPAIR_START_IRQ_VECTOR;
tdev->qpairs_bank.reg_base =
TSSE_DEV_BARS(tdev)[2].virt_addr + TSSE_PF_QPAIR_REG_BASE;
Expand All @@ -241,8 +254,8 @@ static int device_probe(struct pci_dev *pdev, const struct pci_device_id *id)

tsse_dev_info(
tdev,
"num_irqs:%u num_qparis:%u qpairs' start irq vector index:%u qpairs' reg base:0x%lx\n",
tdev->num_irqs, tdev->qpairs_bank.num_qparis,
"num_irqs:%u, qpair start irq vector index:%u, qpair reg base:0x%lx\n",
tdev->num_irqs,
tdev->qpairs_bank.irq_vec, (ulong)tdev->qpairs_bank.reg_base);

if (tsse_devmgr_add_dev(tdev)) {
Expand All @@ -268,37 +281,41 @@ static int device_probe(struct pci_dev *pdev, const struct pci_device_id *id)
tdev->fw_version_exist = true;
}

if (tsse_ipc_init(pdev)) {
dev_err(&pdev->dev,
"%s %d: tsse_ipc_init failed to tsse_ipc.\n", __func__,
__LINE__);
status = -EFAULT;
goto out_err_ipc;
}

if (sysfs_create_file(&pdev->dev.kobj, &dev_attr_tsse_image_load.attr)) {
dev_err(&pdev->dev,
"%s %d: sysfs_create_file failed for tsse image load.\n",
__func__, __LINE__);
status = -EFAULT;
goto out_err_image_load;
goto out_err_sysfs;
}

if (tsse_ipc_init(pdev)) {
dev_err(&pdev->dev,
"%s %d: tsse_ipc_init failed.\n", __func__,
__LINE__);
status = -EFAULT;
goto out_err_ipc;
}
tsse_dev_info(tdev, "successful\n");

pci_read_config_dword(pdev, 0x720, &tmp_val);
tsse_dev_dbg(tdev, "the value of FILTER_MASK_2_REG is 0x%x\n", tmp_val);

return 0;
out_err_image_load:
tsse_ipc_deinit(tdev);
out_err_ipc:
if (tdev->fw) {
release_firmware(tdev->fw);
tdev->fw = NULL;
}
sysfs_remove_file(&pdev->dev.kobj, &dev_attr_tsse_image_load.attr);
out_err_sysfs:
vuart_uninit_port(pdev);
out_err_port_init:
tsse_devmgr_rm_dev(tdev);
out_err_ida_free:
ida_free(&tsse_ida, tdev->id);
out_err:
kfree(tdev->fw_data);
kfree(tdev);
return status;
}
Expand All @@ -311,12 +328,13 @@ static void device_remove(struct pci_dev *pdev)
(ulong)pdev, (ulong)tdev);

tsse_sriov_disable(tdev);
tsse_ipc_deinit(tdev);
if (tdev->fw) {
release_firmware(tdev->fw);
tdev->fw = NULL;
}
sysfs_remove_file(&pdev->dev.kobj, &dev_attr_tsse_image_load.attr);
tsse_ipc_deinit(tdev);
kfree(tdev->fw_data);
vuart_uninit_port(pdev);
tsse_devmgr_rm_dev(tdev);
ida_free(&tsse_ida, tdev->id);
Expand Down Expand Up @@ -378,6 +396,6 @@ module_exit(tsse_exit);

MODULE_AUTHOR("montage-tech.com");
MODULE_DESCRIPTION("TSSE device driver");
MODULE_VERSION("1.0.0");
MODULE_VERSION("1.1.2");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(TSSE_FIRMWARE);
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