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irqchip/gic-v3-its: Rename VPENDBASER/VPROPBASER accessors
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V{PEND,PROP}BASER registers are actually located in VLPI_base frame
of the *redistributor*. Rename their accessors to reflect this fact.

No functional changes.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-7-yuzenghui@huawei.com
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Zenghui Yu authored and Marc Zyngier committed Feb 8, 2020
1 parent b463532 commit 5186a6c
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Showing 3 changed files with 24 additions and 24 deletions.
12 changes: 6 additions & 6 deletions arch/arm/include/asm/arch_gicv3.h
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Original file line number Diff line number Diff line change
Expand Up @@ -326,16 +326,16 @@ static inline u64 __gic_readq_nonatomic(const volatile void __iomem *addr)
#define gits_write_cwriter(v, c) __gic_writeq_nonatomic(v, c)

/*
* GITS_VPROPBASER - hi and lo bits may be accessed independently.
* GICR_VPROPBASER - hi and lo bits may be accessed independently.
*/
#define gits_read_vpropbaser(c) __gic_readq_nonatomic(c)
#define gits_write_vpropbaser(v, c) __gic_writeq_nonatomic(v, c)
#define gicr_read_vpropbaser(c) __gic_readq_nonatomic(c)
#define gicr_write_vpropbaser(v, c) __gic_writeq_nonatomic(v, c)

/*
* GITS_VPENDBASER - the Valid bit must be cleared before changing
* GICR_VPENDBASER - the Valid bit must be cleared before changing
* anything else.
*/
static inline void gits_write_vpendbaser(u64 val, void __iomem *addr)
static inline void gicr_write_vpendbaser(u64 val, void __iomem *addr)
{
u32 tmp;

Expand All @@ -352,7 +352,7 @@ static inline void gits_write_vpendbaser(u64 val, void __iomem *addr)
__gic_writeq_nonatomic(val, addr);
}

#define gits_read_vpendbaser(c) __gic_readq_nonatomic(c)
#define gicr_read_vpendbaser(c) __gic_readq_nonatomic(c)

static inline bool gic_prio_masking_enabled(void)
{
Expand Down
8 changes: 4 additions & 4 deletions arch/arm64/include/asm/arch_gicv3.h
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Original file line number Diff line number Diff line change
Expand Up @@ -140,11 +140,11 @@ static inline u32 gic_read_rpr(void)
#define gicr_write_pendbaser(v, c) writeq_relaxed(v, c)
#define gicr_read_pendbaser(c) readq_relaxed(c)

#define gits_write_vpropbaser(v, c) writeq_relaxed(v, c)
#define gits_read_vpropbaser(c) readq_relaxed(c)
#define gicr_write_vpropbaser(v, c) writeq_relaxed(v, c)
#define gicr_read_vpropbaser(c) readq_relaxed(c)

#define gits_write_vpendbaser(v, c) writeq_relaxed(v, c)
#define gits_read_vpendbaser(c) readq_relaxed(c)
#define gicr_write_vpendbaser(v, c) writeq_relaxed(v, c)
#define gicr_read_vpendbaser(c) readq_relaxed(c)

static inline bool gic_prio_masking_enabled(void)
{
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28 changes: 14 additions & 14 deletions drivers/irqchip/irq-gic-v3-its.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2429,7 +2429,7 @@ static u64 inherit_vpe_l1_table_from_rd(cpumask_t **mask)
* ours wrt CommonLPIAff. Let's use its own VPROPBASER.
* Make sure we don't write the Z bit in that case.
*/
val = gits_read_vpropbaser(base + SZ_128K + GICR_VPROPBASER);
val = gicr_read_vpropbaser(base + SZ_128K + GICR_VPROPBASER);
val &= ~GICR_VPROPBASER_4_1_Z;

gic_data_rdist()->vpe_l1_base = gic_data_rdist_cpu(cpu)->vpe_l1_base;
Expand All @@ -2452,7 +2452,7 @@ static bool allocate_vpe_l2_table(int cpu, u32 id)
if (!gic_rdists->has_rvpeid)
return true;

val = gits_read_vpropbaser(base + SZ_128K + GICR_VPROPBASER);
val = gicr_read_vpropbaser(base + SZ_128K + GICR_VPROPBASER);

esz = FIELD_GET(GICR_VPROPBASER_4_1_ENTRY_SIZE, val) + 1;
gpsz = FIELD_GET(GICR_VPROPBASER_4_1_PAGE_SIZE, val);
Expand Down Expand Up @@ -2524,8 +2524,8 @@ static int allocate_vpe_l1_table(void)
* effect of making sure no doorbell will be generated and we can
* then safely clear VPROPBASER.Valid.
*/
if (gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER) & GICR_VPENDBASER_Valid)
gits_write_vpendbaser(GICR_VPENDBASER_PendingLast,
if (gicr_read_vpendbaser(vlpi_base + GICR_VPENDBASER) & GICR_VPENDBASER_Valid)
gicr_write_vpendbaser(GICR_VPENDBASER_PendingLast,
vlpi_base + GICR_VPENDBASER);

/*
Expand All @@ -2548,8 +2548,8 @@ static int allocate_vpe_l1_table(void)

/* First probe the page size */
val = FIELD_PREP(GICR_VPROPBASER_4_1_PAGE_SIZE, GIC_PAGE_SIZE_64K);
gits_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);
val = gits_read_vpropbaser(vlpi_base + GICR_VPROPBASER);
gicr_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);
val = gicr_read_vpropbaser(vlpi_base + GICR_VPROPBASER);
gpsz = FIELD_GET(GICR_VPROPBASER_4_1_PAGE_SIZE, val);
esz = FIELD_GET(GICR_VPROPBASER_4_1_ENTRY_SIZE, val);

Expand Down Expand Up @@ -2620,7 +2620,7 @@ static int allocate_vpe_l1_table(void)
val |= GICR_VPROPBASER_4_1_VALID;

out:
gits_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);
gicr_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);
cpumask_set_cpu(smp_processor_id(), gic_data_rdist()->vpe_table_mask);

pr_debug("CPU%d: VPROPBASER = %llx %*pbl\n",
Expand Down Expand Up @@ -2727,14 +2727,14 @@ static u64 its_clear_vpend_valid(void __iomem *vlpi_base, u64 clr, u64 set)
bool clean;
u64 val;

val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER);
val = gicr_read_vpendbaser(vlpi_base + GICR_VPENDBASER);
val &= ~GICR_VPENDBASER_Valid;
val &= ~clr;
val |= set;
gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);

do {
val = gits_read_vpendbaser(vlpi_base + GICR_VPENDBASER);
val = gicr_read_vpendbaser(vlpi_base + GICR_VPENDBASER);
clean = !(val & GICR_VPENDBASER_Dirty);
if (!clean) {
count--;
Expand Down Expand Up @@ -2849,7 +2849,7 @@ static void its_cpu_init_lpis(void)
val = (LPI_NRBITS - 1) & GICR_VPROPBASER_IDBITS_MASK;
pr_debug("GICv4: CPU%d: Init IDbits to 0x%llx for GICR_VPROPBASER\n",
smp_processor_id(), val);
gits_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);
gicr_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);

/*
* Also clear Valid bit of GICR_VPENDBASER, in case some
Expand Down Expand Up @@ -3523,7 +3523,7 @@ static void its_vpe_schedule(struct its_vpe *vpe)
val |= (LPI_NRBITS - 1) & GICR_VPROPBASER_IDBITS_MASK;
val |= GICR_VPROPBASER_RaWb;
val |= GICR_VPROPBASER_InnerShareable;
gits_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);
gicr_write_vpropbaser(val, vlpi_base + GICR_VPROPBASER);

val = virt_to_phys(page_address(vpe->vpt_page)) &
GENMASK_ULL(51, 16);
Expand All @@ -3541,7 +3541,7 @@ static void its_vpe_schedule(struct its_vpe *vpe)
val |= GICR_VPENDBASER_PendingLast;
val |= vpe->idai ? GICR_VPENDBASER_IDAI : 0;
val |= GICR_VPENDBASER_Valid;
gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
}

static void its_vpe_deschedule(struct its_vpe *vpe)
Expand Down Expand Up @@ -3741,7 +3741,7 @@ static void its_vpe_4_1_schedule(struct its_vpe *vpe,
val |= info->g1en ? GICR_VPENDBASER_4_1_VGRP1EN : 0;
val |= FIELD_PREP(GICR_VPENDBASER_4_1_VPEID, vpe->vpe_id);

gits_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
}

static void its_vpe_4_1_deschedule(struct its_vpe *vpe,
Expand Down

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