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  3.   iommu-amd-merge-private-header-files
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From: Joerg Roedel <jroedel@suse.de>
Date: Wed, 27 May 2020 13:53:11 +0200
Subject: iommu/amd: Merge private header files
Git-commit: 786dfe496e3b30b92d11cf7ae1d36d1a458702f6
Patch-mainline: v5.8-rc1
References: bsc#1175713

Merge amd_iommu_proto.h into amd_iommu.h.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20200527115313.7426-9-joro@8bytes.org
---
 drivers/iommu/amd_iommu.c         |  4 +-
 drivers/iommu/amd_iommu.h         | 96 +++++++++++++++++++++++++++++++++++++-
 drivers/iommu/amd_iommu_debugfs.c |  5 +-
 drivers/iommu/amd_iommu_init.c    |  4 +-
 drivers/iommu/amd_iommu_proto.h   | 97 ---------------------------------------
 drivers/iommu/amd_iommu_v2.c      |  4 +-
 6 files changed, 100 insertions(+), 110 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 1faf2e0dad32..862c8d5e63d6 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -22,7 +22,6 @@
 #include <linux/dma-direct.h>
 #include <linux/dma-iommu.h>
 #include <linux/iommu-helper.h>
-#include <linux/iommu.h>
 #include <linux/delay.h>
 #include <linux/amd-iommu.h>
 #include <linux/notifier.h>
@@ -43,8 +42,7 @@
 #include <asm/gart.h>
 #include <asm/dma.h>
 
-#include "amd_iommu_proto.h"
-#include "amd_iommu_types.h"
+#include "amd_iommu.h"
 #include "irq_remapping.h"
 
 #define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))
diff --git a/drivers/iommu/amd_iommu.h b/drivers/iommu/amd_iommu.h
index 12d540d9b59b..f892992c8744 100644
--- a/drivers/iommu/amd_iommu.h
+++ b/drivers/iommu/amd_iommu.h
@@ -1,9 +1,103 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2009-2010 Advanced Micro Devices, Inc.
+ * Author: Joerg Roedel <jroedel@suse.de>
+ */
 
 #ifndef AMD_IOMMU_H
 #define AMD_IOMMU_H
 
-int __init add_special_device(u8 type, u8 id, u16 *devid, bool cmd_line);
+#include <linux/iommu.h>
+
+#include "amd_iommu_types.h"
+
+extern int amd_iommu_get_num_iommus(void);
+extern int amd_iommu_init_dma_ops(void);
+extern int amd_iommu_init_passthrough(void);
+extern irqreturn_t amd_iommu_int_thread(int irq, void *data);
+extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
+extern void amd_iommu_apply_erratum_63(u16 devid);
+extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu);
+extern int amd_iommu_init_devices(void);
+extern void amd_iommu_uninit_devices(void);
+extern void amd_iommu_init_notifier(void);
+extern int amd_iommu_init_api(void);
+
+#ifdef CONFIG_AMD_IOMMU_DEBUGFS
+void amd_iommu_debugfs_setup(struct amd_iommu *iommu);
+#else
+static inline void amd_iommu_debugfs_setup(struct amd_iommu *iommu) {}
+#endif
+
+/* Needed for interrupt remapping */
+extern int amd_iommu_prepare(void);
+extern int amd_iommu_enable(void);
+extern void amd_iommu_disable(void);
+extern int amd_iommu_reenable(int);
+extern int amd_iommu_enable_faulting(void);
+extern int amd_iommu_guest_ir;
+
+/* IOMMUv2 specific functions */
+struct iommu_domain;
+
+extern bool amd_iommu_v2_supported(void);
+extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb);
+extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb);
+extern void amd_iommu_domain_direct_map(struct iommu_domain *dom);
+extern int amd_iommu_domain_enable_v2(struct iommu_domain *dom, int pasids);
+extern int amd_iommu_flush_page(struct iommu_domain *dom, int pasid,
+				u64 address);
+extern int amd_iommu_flush_tlb(struct iommu_domain *dom, int pasid);
+extern int amd_iommu_domain_set_gcr3(struct iommu_domain *dom, int pasid,
+				     unsigned long cr3);
+extern int amd_iommu_domain_clear_gcr3(struct iommu_domain *dom, int pasid);
+extern struct iommu_domain *amd_iommu_get_v2_domain(struct pci_dev *pdev);
+
+#ifdef CONFIG_IRQ_REMAP
+extern int amd_iommu_create_irq_domain(struct amd_iommu *iommu);
+#else
+static inline int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
+{
+	return 0;
+}
+#endif
+
+#define PPR_SUCCESS			0x0
+#define PPR_INVALID			0x1
+#define PPR_FAILURE			0xf
+
+extern int amd_iommu_complete_ppr(struct pci_dev *pdev, int pasid,
+				  int status, int tag);
+
+static inline bool is_rd890_iommu(struct pci_dev *pdev)
+{
+	return (pdev->vendor == PCI_VENDOR_ID_ATI) &&
+	       (pdev->device == PCI_DEVICE_ID_RD890_IOMMU);
+}
+
+static inline bool iommu_feature(struct amd_iommu *iommu, u64 f)
+{
+	if (!(iommu->cap & (1 << IOMMU_CAP_EFR)))
+		return false;
+
+	return !!(iommu->features & f);
+}
+
+static inline u64 iommu_virt_to_phys(void *vaddr)
+{
+	return (u64)__sme_set(virt_to_phys(vaddr));
+}
+
+static inline void *iommu_phys_to_virt(unsigned long paddr)
+{
+	return phys_to_virt(__sme_clr(paddr));
+}
+
+extern bool translation_pre_enabled(struct amd_iommu *iommu);
+extern bool amd_iommu_is_attach_deferred(struct iommu_domain *domain,
+					 struct device *dev);
+extern int __init add_special_device(u8 type, u8 id, u16 *devid,
+				     bool cmd_line);
 
 #ifdef CONFIG_DMI
 void amd_iommu_apply_ivrs_quirks(void);
diff --git a/drivers/iommu/amd_iommu_debugfs.c b/drivers/iommu/amd_iommu_debugfs.c
index c6a5c737ef09..545372fcc72f 100644
--- a/drivers/iommu/amd_iommu_debugfs.c
+++ b/drivers/iommu/amd_iommu_debugfs.c
@@ -8,10 +8,9 @@
  */
 
 #include <linux/debugfs.h>
-#include <linux/iommu.h>
 #include <linux/pci.h>
-#include "amd_iommu_proto.h"
-#include "amd_iommu_types.h"
+
+#include "amd_iommu.h"
 
 static struct dentry *amd_iommu_debugfs;
 static DEFINE_MUTEX(amd_iommu_debugfs_lock);
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 5b81fd16f5fa..3faff7f80fd2 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -18,7 +18,6 @@
 #include <linux/msi.h>
 #include <linux/amd-iommu.h>
 #include <linux/export.h>
-#include <linux/iommu.h>
 #include <linux/kmemleak.h>
 #include <linux/mem_encrypt.h>
 #include <asm/pci-direct.h>
@@ -32,9 +31,8 @@
 #include <asm/irq_remapping.h>
 
 #include <linux/crash_dump.h>
+
 #include "amd_iommu.h"
-#include "amd_iommu_proto.h"
-#include "amd_iommu_types.h"
 #include "irq_remapping.h"
 
 /*
diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h
deleted file mode 100644
index 1c6c12c11368..000000000000
--- a/drivers/iommu/amd_iommu_proto.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2009-2010 Advanced Micro Devices, Inc.
- * Author: Joerg Roedel <jroedel@suse.de>
- */
-
-#ifndef _ASM_X86_AMD_IOMMU_PROTO_H
-#define _ASM_X86_AMD_IOMMU_PROTO_H
-
-#include "amd_iommu_types.h"
-
-extern int amd_iommu_get_num_iommus(void);
-extern int amd_iommu_init_dma_ops(void);
-extern int amd_iommu_init_passthrough(void);
-extern irqreturn_t amd_iommu_int_thread(int irq, void *data);
-extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
-extern void amd_iommu_apply_erratum_63(u16 devid);
-extern void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu);
-extern int amd_iommu_init_devices(void);
-extern void amd_iommu_uninit_devices(void);
-extern void amd_iommu_init_notifier(void);
-extern int amd_iommu_init_api(void);
-
-#ifdef CONFIG_AMD_IOMMU_DEBUGFS
-void amd_iommu_debugfs_setup(struct amd_iommu *iommu);
-#else
-static inline void amd_iommu_debugfs_setup(struct amd_iommu *iommu) {}
-#endif
-
-/* Needed for interrupt remapping */
-extern int amd_iommu_prepare(void);
-extern int amd_iommu_enable(void);
-extern void amd_iommu_disable(void);
-extern int amd_iommu_reenable(int);
-extern int amd_iommu_enable_faulting(void);
-extern int amd_iommu_guest_ir;
-
-/* IOMMUv2 specific functions */
-struct iommu_domain;
-
-extern bool amd_iommu_v2_supported(void);
-extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb);
-extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb);
-extern void amd_iommu_domain_direct_map(struct iommu_domain *dom);
-extern int amd_iommu_domain_enable_v2(struct iommu_domain *dom, int pasids);
-extern int amd_iommu_flush_page(struct iommu_domain *dom, int pasid,
-				u64 address);
-extern int amd_iommu_flush_tlb(struct iommu_domain *dom, int pasid);
-extern int amd_iommu_domain_set_gcr3(struct iommu_domain *dom, int pasid,
-				     unsigned long cr3);
-extern int amd_iommu_domain_clear_gcr3(struct iommu_domain *dom, int pasid);
-extern struct iommu_domain *amd_iommu_get_v2_domain(struct pci_dev *pdev);
-
-#ifdef CONFIG_IRQ_REMAP
-extern int amd_iommu_create_irq_domain(struct amd_iommu *iommu);
-#else
-static inline int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
-{
-	return 0;
-}
-#endif
-
-#define PPR_SUCCESS			0x0
-#define PPR_INVALID			0x1
-#define PPR_FAILURE			0xf
-
-extern int amd_iommu_complete_ppr(struct pci_dev *pdev, int pasid,
-				  int status, int tag);
-
-static inline bool is_rd890_iommu(struct pci_dev *pdev)
-{
-	return (pdev->vendor == PCI_VENDOR_ID_ATI) &&
-	       (pdev->device == PCI_DEVICE_ID_RD890_IOMMU);
-}
-
-static inline bool iommu_feature(struct amd_iommu *iommu, u64 f)
-{
-	if (!(iommu->cap & (1 << IOMMU_CAP_EFR)))
-		return false;
-
-	return !!(iommu->features & f);
-}
-
-static inline u64 iommu_virt_to_phys(void *vaddr)
-{
-	return (u64)__sme_set(virt_to_phys(vaddr));
-}
-
-static inline void *iommu_phys_to_virt(unsigned long paddr)
-{
-	return phys_to_virt(__sme_clr(paddr));
-}
-
-extern bool translation_pre_enabled(struct amd_iommu *iommu);
-extern bool amd_iommu_is_attach_deferred(struct iommu_domain *domain,
-					 struct device *dev);
-#endif /* _ASM_X86_AMD_IOMMU_PROTO_H  */
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 9b6e038150c1..c8a7b6b39222 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -13,13 +13,11 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
-#include <linux/iommu.h>
 #include <linux/wait.h>
 #include <linux/pci.h>
 #include <linux/gfp.h>
 
-#include "amd_iommu_types.h"
-#include "amd_iommu_proto.h"
+#include "amd_iommu.h"
 
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Joerg Roedel <jroedel@suse.de>");
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