From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/crypto/ccp/sp-pci.c | 90 +++++++++++++++++++++++++++++++++------------
1 files changed, 66 insertions(+), 24 deletions(-)
diff --git a/kernel/drivers/crypto/ccp/sp-pci.c b/kernel/drivers/crypto/ccp/sp-pci.c
index 9b27422..c319e7e 100644
--- a/kernel/drivers/crypto/ccp/sp-pci.c
+++ b/kernel/drivers/crypto/ccp/sp-pci.c
@@ -1,14 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* AMD Secure Processor device driver
*
- * Copyright (C) 2013,2016 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2019 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
@@ -149,6 +146,14 @@
return sp_dev_master;
}
+static void psp_clear_master(struct sp_device *sp)
+{
+ if (sp == sp_dev_master) {
+ sp_dev_master = NULL;
+ dev_dbg(sp->dev, "Cleared sp_dev_master\n");
+ }
+}
+
static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct sp_device *sp;
@@ -209,6 +214,7 @@
pci_set_master(pdev);
sp->set_psp_master_device = psp_set_master;
sp->get_psp_master_device = psp_get_master;
+ sp->clear_psp_master_device = psp_clear_master;
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
if (ret) {
@@ -226,8 +232,6 @@
if (ret)
goto free_irqs;
- dev_notice(dev, "enabled\n");
-
return 0;
free_irqs:
@@ -235,6 +239,17 @@
e_err:
dev_notice(dev, "initialization failed\n");
return ret;
+}
+
+static void sp_pci_shutdown(struct pci_dev *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct sp_device *sp = dev_get_drvdata(dev);
+
+ if (!sp)
+ return;
+
+ sp_destroy(sp);
}
static void sp_pci_remove(struct pci_dev *pdev)
@@ -248,42 +263,59 @@
sp_destroy(sp);
sp_free_irqs(sp);
-
- dev_notice(dev, "disabled\n");
}
-#ifdef CONFIG_PM
-static int sp_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused sp_pci_suspend(struct device *dev)
{
- struct device *dev = &pdev->dev;
struct sp_device *sp = dev_get_drvdata(dev);
- return sp_suspend(sp, state);
+ return sp_suspend(sp);
}
-static int sp_pci_resume(struct pci_dev *pdev)
+static int __maybe_unused sp_pci_resume(struct device *dev)
{
- struct device *dev = &pdev->dev;
struct sp_device *sp = dev_get_drvdata(dev);
return sp_resume(sp);
}
-#endif
#ifdef CONFIG_CRYPTO_DEV_SP_PSP
-static const struct psp_vdata pspv1 = {
+static const struct sev_vdata sevv1 = {
.cmdresp_reg = 0x10580,
.cmdbuff_addr_lo_reg = 0x105e0,
.cmdbuff_addr_hi_reg = 0x105e4,
+};
+
+static const struct sev_vdata sevv2 = {
+ .cmdresp_reg = 0x10980,
+ .cmdbuff_addr_lo_reg = 0x109e0,
+ .cmdbuff_addr_hi_reg = 0x109e4,
+};
+
+static const struct tee_vdata teev1 = {
+ .cmdresp_reg = 0x10544,
+ .cmdbuff_addr_lo_reg = 0x10548,
+ .cmdbuff_addr_hi_reg = 0x1054c,
+ .ring_wptr_reg = 0x10550,
+ .ring_rptr_reg = 0x10554,
+};
+
+static const struct psp_vdata pspv1 = {
+ .sev = &sevv1,
.feature_reg = 0x105fc,
.inten_reg = 0x10610,
.intsts_reg = 0x10614,
};
static const struct psp_vdata pspv2 = {
- .cmdresp_reg = 0x10980,
- .cmdbuff_addr_lo_reg = 0x109e0,
- .cmdbuff_addr_hi_reg = 0x109e4,
+ .sev = &sevv2,
+ .feature_reg = 0x109fc,
+ .inten_reg = 0x10690,
+ .intsts_reg = 0x10694,
+};
+
+static const struct psp_vdata pspv3 = {
+ .tee = &teev1,
.feature_reg = 0x109fc,
.inten_reg = 0x10690,
.intsts_reg = 0x10694,
@@ -321,26 +353,36 @@
.psp_vdata = &pspv2,
#endif
},
+ { /* 4 */
+ .bar = 2,
+#ifdef CONFIG_CRYPTO_DEV_SP_CCP
+ .ccp_vdata = &ccpv5a,
+#endif
+#ifdef CONFIG_CRYPTO_DEV_SP_PSP
+ .psp_vdata = &pspv3,
+#endif
+ },
};
static const struct pci_device_id sp_pci_table[] = {
{ PCI_VDEVICE(AMD, 0x1537), (kernel_ulong_t)&dev_vdata[0] },
{ PCI_VDEVICE(AMD, 0x1456), (kernel_ulong_t)&dev_vdata[1] },
{ PCI_VDEVICE(AMD, 0x1468), (kernel_ulong_t)&dev_vdata[2] },
{ PCI_VDEVICE(AMD, 0x1486), (kernel_ulong_t)&dev_vdata[3] },
+ { PCI_VDEVICE(AMD, 0x15DF), (kernel_ulong_t)&dev_vdata[4] },
/* Last entry must be zero */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, sp_pci_table);
+
+static SIMPLE_DEV_PM_OPS(sp_pci_pm_ops, sp_pci_suspend, sp_pci_resume);
static struct pci_driver sp_pci_driver = {
.name = "ccp",
.id_table = sp_pci_table,
.probe = sp_pci_probe,
.remove = sp_pci_remove,
-#ifdef CONFIG_PM
- .suspend = sp_pci_suspend,
- .resume = sp_pci_resume,
-#endif
+ .shutdown = sp_pci_shutdown,
+ .driver.pm = &sp_pci_pm_ops,
};
int sp_pci_init(void)
--
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