iommu/arm-smmu: Rename public #defines under ARM_SMMU_ namespace

Now that we have arm-smmu.h defining various SMMU constants, ensure that
they are namespaced with the ARM_SMMU_ prefix in order to avoid conflicts
with the CPU, such as the one we're currently bodging around with the
TCR.

Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>

1 files changed, 111 insertions, 106 deletions

diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h
index aade2b0ae175..6501f38a5966 100644
--- a/drivers/iommu/arm-smmu.h
+++ b/drivers/iommu/arm-smmu.h
@@ -24,51 +24,51 @@
 
 /* Configuration registers */
 #define ARM_SMMU_GR0_sCR0		0x0
-#define sCR0_VMID16EN			BIT(31)
-#define sCR0_BSU			GENMASK(15, 14)
-#define sCR0_FB				BIT(13)
-#define sCR0_PTM			BIT(12)
-#define sCR0_VMIDPNE			BIT(11)
-#define sCR0_USFCFG			BIT(10)
-#define sCR0_GCFGFIE			BIT(5)
-#define sCR0_GCFGFRE			BIT(4)
-#define sCR0_EXIDENABLE			BIT(3)
-#define sCR0_GFIE			BIT(2)
-#define sCR0_GFRE			BIT(1)
-#define sCR0_CLIENTPD			BIT(0)
+#define ARM_SMMU_sCR0_VMID16EN		BIT(31)
+#define ARM_SMMU_sCR0_BSU		GENMASK(15, 14)
+#define ARM_SMMU_sCR0_FB		BIT(13)
+#define ARM_SMMU_sCR0_PTM		BIT(12)
+#define ARM_SMMU_sCR0_VMIDPNE		BIT(11)
+#define ARM_SMMU_sCR0_USFCFG		BIT(10)
+#define ARM_SMMU_sCR0_GCFGFIE		BIT(5)
+#define ARM_SMMU_sCR0_GCFGFRE		BIT(4)
+#define ARM_SMMU_sCR0_EXIDENABLE	BIT(3)
+#define ARM_SMMU_sCR0_GFIE		BIT(2)
+#define ARM_SMMU_sCR0_GFRE		BIT(1)
+#define ARM_SMMU_sCR0_CLIENTPD		BIT(0)
 
 /* Auxiliary Configuration register */
 #define ARM_SMMU_GR0_sACR		0x10
 
 /* Identification registers */
 #define ARM_SMMU_GR0_ID0		0x20
-#define ID0_S1TS			BIT(30)
-#define ID0_S2TS			BIT(29)
-#define ID0_NTS				BIT(28)
-#define ID0_SMS				BIT(27)
-#define ID0_ATOSNS			BIT(26)
-#define ID0_PTFS_NO_AARCH32		BIT(25)
-#define ID0_PTFS_NO_AARCH32S		BIT(24)
-#define ID0_NUMIRPT			GENMASK(23, 16)
-#define ID0_CTTW			BIT(14)
-#define ID0_NUMSIDB			GENMASK(12, 9)
-#define ID0_EXIDS			BIT(8)
-#define ID0_NUMSMRG			GENMASK(7, 0)
+#define ARM_SMMU_ID0_S1TS		BIT(30)
+#define ARM_SMMU_ID0_S2TS		BIT(29)
+#define ARM_SMMU_ID0_NTS		BIT(28)
+#define ARM_SMMU_ID0_SMS		BIT(27)
+#define ARM_SMMU_ID0_ATOSNS		BIT(26)
+#define ARM_SMMU_ID0_PTFS_NO_AARCH32	BIT(25)
+#define ARM_SMMU_ID0_PTFS_NO_AARCH32S	BIT(24)
+#define ARM_SMMU_ID0_NUMIRPT		GENMASK(23, 16)
+#define ARM_SMMU_ID0_CTTW		BIT(14)
+#define ARM_SMMU_ID0_NUMSIDB		GENMASK(12, 9)
+#define ARM_SMMU_ID0_EXIDS		BIT(8)
+#define ARM_SMMU_ID0_NUMSMRG		GENMASK(7, 0)
 
 #define ARM_SMMU_GR0_ID1		0x24
-#define ID1_PAGESIZE			BIT(31)
-#define ID1_NUMPAGENDXB			GENMASK(30, 28)
-#define ID1_NUMS2CB			GENMASK(23, 16)
-#define ID1_NUMCB			GENMASK(7, 0)
+#define ARM_SMMU_ID1_PAGESIZE		BIT(31)
+#define ARM_SMMU_ID1_NUMPAGENDXB	GENMASK(30, 28)
+#define ARM_SMMU_ID1_NUMS2CB		GENMASK(23, 16)
+#define ARM_SMMU_ID1_NUMCB		GENMASK(7, 0)
 
 #define ARM_SMMU_GR0_ID2		0x28
-#define ID2_VMID16			BIT(15)
-#define ID2_PTFS_64K			BIT(14)
-#define ID2_PTFS_16K			BIT(13)
-#define ID2_PTFS_4K			BIT(12)
-#define ID2_UBS				GENMASK(11, 8)
-#define ID2_OAS				GENMASK(7, 4)
-#define ID2_IAS				GENMASK(3, 0)
+#define ARM_SMMU_ID2_VMID16		BIT(15)
+#define ARM_SMMU_ID2_PTFS_64K		BIT(14)
+#define ARM_SMMU_ID2_PTFS_16K		BIT(13)
+#define ARM_SMMU_ID2_PTFS_4K		BIT(12)
+#define ARM_SMMU_ID2_UBS		GENMASK(11, 8)
+#define ARM_SMMU_ID2_OAS		GENMASK(7, 4)
+#define ARM_SMMU_ID2_IAS		GENMASK(3, 0)
 
 #define ARM_SMMU_GR0_ID3		0x2c
 #define ARM_SMMU_GR0_ID4		0x30
@@ -76,11 +76,11 @@
 #define ARM_SMMU_GR0_ID6		0x38
 
 #define ARM_SMMU_GR0_ID7		0x3c
-#define ID7_MAJOR			GENMASK(7, 4)
-#define ID7_MINOR			GENMASK(3, 0)
+#define ARM_SMMU_ID7_MAJOR		GENMASK(7, 4)
+#define ARM_SMMU_ID7_MINOR		GENMASK(3, 0)
 
 #define ARM_SMMU_GR0_sGFSR		0x48
-#define sGFSR_USF			BIT(1)
+#define ARM_SMMU_sGFSR_USF		BIT(1)
 
 #define ARM_SMMU_GR0_sGFSYNR0		0x50
 #define ARM_SMMU_GR0_sGFSYNR1		0x54
@@ -93,118 +93,123 @@
 #define ARM_SMMU_GR0_sTLBGSYNC		0x70
 
 #define ARM_SMMU_GR0_sTLBGSTATUS	0x74
-#define sTLBGSTATUS_GSACTIVE		BIT(0)
+#define ARM_SMMU_sTLBGSTATUS_GSACTIVE	BIT(0)
 
 /* Stream mapping registers */
 #define ARM_SMMU_GR0_SMR(n)		(0x800 + ((n) << 2))
-#define SMR_VALID			BIT(31)
-#define SMR_MASK			GENMASK(31, 16)
-#define SMR_ID				GENMASK(15, 0)
+#define ARM_SMMU_SMR_VALID		BIT(31)
+#define ARM_SMMU_SMR_MASK		GENMASK(31, 16)
+#define ARM_SMMU_SMR_ID			GENMASK(15, 0)
 
 #define ARM_SMMU_GR0_S2CR(n)		(0xc00 + ((n) << 2))
-#define S2CR_PRIVCFG			GENMASK(25, 24)
+#define ARM_SMMU_S2CR_PRIVCFG		GENMASK(25, 24)
 enum arm_smmu_s2cr_privcfg {
 	S2CR_PRIVCFG_DEFAULT,
 	S2CR_PRIVCFG_DIPAN,
 	S2CR_PRIVCFG_UNPRIV,
 	S2CR_PRIVCFG_PRIV,
 };
-#define S2CR_TYPE			GENMASK(17, 16)
+#define ARM_SMMU_S2CR_TYPE		GENMASK(17, 16)
 enum arm_smmu_s2cr_type {
 	S2CR_TYPE_TRANS,
 	S2CR_TYPE_BYPASS,
 	S2CR_TYPE_FAULT,
 };
-#define S2CR_EXIDVALID			BIT(10)
-#define S2CR_CBNDX			GENMASK(7, 0)
+#define ARM_SMMU_S2CR_EXIDVALID		BIT(10)
+#define ARM_SMMU_S2CR_CBNDX		GENMASK(7, 0)
 
 /* Context bank attribute registers */
 #define ARM_SMMU_GR1_CBAR(n)		(0x0 + ((n) << 2))
-#define CBAR_IRPTNDX			GENMASK(31, 24)
-#define CBAR_TYPE			GENMASK(17, 16)
+#define ARM_SMMU_CBAR_IRPTNDX		GENMASK(31, 24)
+#define ARM_SMMU_CBAR_TYPE		GENMASK(17, 16)
 enum arm_smmu_cbar_type {
 	CBAR_TYPE_S2_TRANS,
 	CBAR_TYPE_S1_TRANS_S2_BYPASS,
 	CBAR_TYPE_S1_TRANS_S2_FAULT,
 	CBAR_TYPE_S1_TRANS_S2_TRANS,
 };
-#define CBAR_S1_MEMATTR			GENMASK(15, 12)
-#define CBAR_S1_MEMATTR_WB		0xf
-#define CBAR_S1_BPSHCFG			GENMASK(9, 8)
-#define CBAR_S1_BPSHCFG_NSH		3
-#define CBAR_VMID			GENMASK(7, 0)
+#define ARM_SMMU_CBAR_S1_MEMATTR	GENMASK(15, 12)
+#define ARM_SMMU_CBAR_S1_MEMATTR_WB	0xf
+#define ARM_SMMU_CBAR_S1_BPSHCFG	GENMASK(9, 8)
+#define ARM_SMMU_CBAR_S1_BPSHCFG_NSH	3
+#define ARM_SMMU_CBAR_VMID		GENMASK(7, 0)
 
 #define ARM_SMMU_GR1_CBFRSYNRA(n)	(0x400 + ((n) << 2))
 
 #define ARM_SMMU_GR1_CBA2R(n)		(0x800 + ((n) << 2))
-#define CBA2R_VMID16			GENMASK(31, 16)
-#define CBA2R_VA64			BIT(0)
+#define ARM_SMMU_CBA2R_VMID16		GENMASK(31, 16)
+#define ARM_SMMU_CBA2R_VA64		BIT(0)
 
 #define ARM_SMMU_CB_SCTLR		0x0
-#define SCTLR_S1_ASIDPNE		BIT(12)
-#define SCTLR_CFCFG			BIT(7)
-#define SCTLR_CFIE			BIT(6)
-#define SCTLR_CFRE			BIT(5)
-#define SCTLR_E				BIT(4)
-#define SCTLR_AFE			BIT(2)
-#define SCTLR_TRE			BIT(1)
-#define SCTLR_M				BIT(0)
+#define ARM_SMMU_SCTLR_S1_ASIDPNE	BIT(12)
+#define ARM_SMMU_SCTLR_CFCFG		BIT(7)
+#define ARM_SMMU_SCTLR_CFIE		BIT(6)
+#define ARM_SMMU_SCTLR_CFRE		BIT(5)
+#define ARM_SMMU_SCTLR_E		BIT(4)
+#define ARM_SMMU_SCTLR_AFE		BIT(2)
+#define ARM_SMMU_SCTLR_TRE		BIT(1)
+#define ARM_SMMU_SCTLR_M		BIT(0)
 
 #define ARM_SMMU_CB_ACTLR		0x4
 
 #define ARM_SMMU_CB_RESUME		0x8
-#define RESUME_TERMINATE		BIT(0)
+#define ARM_SMMU_RESUME_TERMINATE	BIT(0)
 
 #define ARM_SMMU_CB_TCR2		0x10
-#define TCR2_SEP			GENMASK(17, 15)
-#define TCR2_SEP_UPSTREAM		0x7
-#define TCR2_AS				BIT(4)
-#define TCR2_PASIZE			GENMASK(3, 0)
+#define ARM_SMMU_TCR2_SEP		GENMASK(17, 15)
+#define ARM_SMMU_TCR2_SEP_UPSTREAM	0x7
+#define ARM_SMMU_TCR2_AS		BIT(4)
+#define ARM_SMMU_TCR2_PASIZE		GENMASK(3, 0)
 
 #define ARM_SMMU_CB_TTBR0		0x20
 #define ARM_SMMU_CB_TTBR1		0x28
-#define TTBRn_ASID			GENMASK_ULL(63, 48)
-
-/* arm64 headers leak this somehow :( */
-#undef TCR_T0SZ
+#define ARM_SMMU_TTBRn_ASID		GENMASK_ULL(63, 48)
 
 #define ARM_SMMU_CB_TCR			0x30
-#define TCR_EAE				BIT(31)
-#define TCR_EPD1			BIT(23)
-#define TCR_TG0				GENMASK(15, 14)
-#define TCR_SH0				GENMASK(13, 12)
-#define TCR_ORGN0			GENMASK(11, 10)
-#define TCR_IRGN0			GENMASK(9, 8)
-#define TCR_T0SZ			GENMASK(5, 0)
+#define ARM_SMMU_TCR_EAE		BIT(31)
+#define ARM_SMMU_TCR_EPD1		BIT(23)
+#define ARM_SMMU_TCR_TG0		GENMASK(15, 14)
+#define ARM_SMMU_TCR_SH0		GENMASK(13, 12)
+#define ARM_SMMU_TCR_ORGN0		GENMASK(11, 10)
+#define ARM_SMMU_TCR_IRGN0		GENMASK(9, 8)
+#define ARM_SMMU_TCR_T0SZ		GENMASK(5, 0)
 
 #define ARM_SMMU_CB_CONTEXTIDR		0x34
 #define ARM_SMMU_CB_S1_MAIR0		0x38
 #define ARM_SMMU_CB_S1_MAIR1		0x3c
 
 #define ARM_SMMU_CB_PAR			0x50
-#define CB_PAR_F			BIT(0)
+#define ARM_SMMU_CB_PAR_F		BIT(0)
 
 #define ARM_SMMU_CB_FSR			0x58
-#define FSR_MULTI			BIT(31)
-#define FSR_SS				BIT(30)
-#define FSR_UUT				BIT(8)
-#define FSR_ASF				BIT(7)
-#define FSR_TLBLKF			BIT(6)
-#define FSR_TLBMCF			BIT(5)
-#define FSR_EF				BIT(4)
-#define FSR_PF				BIT(3)
-#define FSR_AFF				BIT(2)
-#define FSR_TF				BIT(1)
-
-#define FSR_IGN				(FSR_AFF | FSR_ASF | \
-					 FSR_TLBMCF | FSR_TLBLKF)
-#define FSR_FAULT			(FSR_MULTI | FSR_SS | FSR_UUT | \
-					 FSR_EF | FSR_PF | FSR_TF | FSR_IGN)
+#define ARM_SMMU_FSR_MULTI		BIT(31)
+#define ARM_SMMU_FSR_SS			BIT(30)
+#define ARM_SMMU_FSR_UUT		BIT(8)
+#define ARM_SMMU_FSR_ASF		BIT(7)
+#define ARM_SMMU_FSR_TLBLKF		BIT(6)
+#define ARM_SMMU_FSR_TLBMCF		BIT(5)
+#define ARM_SMMU_FSR_EF			BIT(4)
+#define ARM_SMMU_FSR_PF			BIT(3)
+#define ARM_SMMU_FSR_AFF		BIT(2)
+#define ARM_SMMU_FSR_TF			BIT(1)
+
+#define ARM_SMMU_FSR_IGN		(ARM_SMMU_FSR_AFF |		\
+					 ARM_SMMU_FSR_ASF |		\
+					 ARM_SMMU_FSR_TLBMCF |		\
+					 ARM_SMMU_FSR_TLBLKF)
+
+#define ARM_SMMU_FSR_FAULT		(ARM_SMMU_FSR_MULTI |		\
+					 ARM_SMMU_FSR_SS |		\
+					 ARM_SMMU_FSR_UUT |		\
+					 ARM_SMMU_FSR_EF |		\
+					 ARM_SMMU_FSR_PF |		\
+					 ARM_SMMU_FSR_TF |		\
+					 ARM_SMMU_FSR_IGN)
 
 #define ARM_SMMU_CB_FAR			0x60
 
 #define ARM_SMMU_CB_FSYNR0		0x68
-#define FSYNR0_WNR			BIT(4)
+#define ARM_SMMU_FSYNR0_WNR		BIT(4)
 
 #define ARM_SMMU_CB_S1_TLBIVA		0x600
 #define ARM_SMMU_CB_S1_TLBIASID		0x610
@@ -216,7 +221,7 @@ enum arm_smmu_cbar_type {
 #define ARM_SMMU_CB_ATS1PR		0x800
 
 #define ARM_SMMU_CB_ATSR		0x8f0
-#define ATSR_ACTIVE			BIT(0)
+#define ARM_SMMU_ATSR_ACTIVE		BIT(0)
 
 
 /* Maximum number of context banks per SMMU */
@@ -310,7 +315,7 @@ struct arm_smmu_cfg {
 	enum arm_smmu_cbar_type		cbar;
 	enum arm_smmu_context_fmt	fmt;
 };
-#define INVALID_IRPTNDX			0xff
+#define ARM_SMMU_INVALID_IRPTNDX	0xff
 
 enum arm_smmu_domain_stage {
 	ARM_SMMU_DOMAIN_S1 = 0,
@@ -333,18 +338,18 @@ struct arm_smmu_domain {
 
 static inline u32 arm_smmu_lpae_tcr(struct io_pgtable_cfg *cfg)
 {
-	return TCR_EPD1 |
-	       FIELD_PREP(TCR_TG0, cfg->arm_lpae_s1_cfg.tcr.tg) |
-	       FIELD_PREP(TCR_SH0, cfg->arm_lpae_s1_cfg.tcr.sh) |
-	       FIELD_PREP(TCR_ORGN0, cfg->arm_lpae_s1_cfg.tcr.orgn) |
-	       FIELD_PREP(TCR_IRGN0, cfg->arm_lpae_s1_cfg.tcr.irgn) |
-	       FIELD_PREP(TCR_T0SZ, cfg->arm_lpae_s1_cfg.tcr.tsz);
+	return ARM_SMMU_TCR_EPD1 |
+	       FIELD_PREP(ARM_SMMU_TCR_TG0, cfg->arm_lpae_s1_cfg.tcr.tg) |
+	       FIELD_PREP(ARM_SMMU_TCR_SH0, cfg->arm_lpae_s1_cfg.tcr.sh) |
+	       FIELD_PREP(ARM_SMMU_TCR_ORGN0, cfg->arm_lpae_s1_cfg.tcr.orgn) |
+	       FIELD_PREP(ARM_SMMU_TCR_IRGN0, cfg->arm_lpae_s1_cfg.tcr.irgn) |
+	       FIELD_PREP(ARM_SMMU_TCR_T0SZ, cfg->arm_lpae_s1_cfg.tcr.tsz);
 }
 
 static inline u32 arm_smmu_lpae_tcr2(struct io_pgtable_cfg *cfg)
 {
-	return FIELD_PREP(TCR2_PASIZE, cfg->arm_lpae_s1_cfg.tcr.ips) |
-	       FIELD_PREP(TCR2_SEP, TCR2_SEP_UPSTREAM);
+	return FIELD_PREP(ARM_SMMU_TCR2_PASIZE, cfg->arm_lpae_s1_cfg.tcr.ips) |
+	       FIELD_PREP(ARM_SMMU_TCR2_SEP, ARM_SMMU_TCR2_SEP_UPSTREAM);
 }
 
 /* Implementation details, yay! */