summaryrefslogtreecommitdiff
path: root/drivers/iommu/dmar.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/dmar.c')
-rw-r--r--drivers/iommu/dmar.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 587e8f2d38d8..35c1e17fce1d 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -652,7 +652,7 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
(unsigned long long)iommu->cap,
(unsigned long long)iommu->ecap);
- spin_lock_init(&iommu->register_lock);
+ raw_spin_lock_init(&iommu->register_lock);
drhd->iommu = iommu;
return 0;
@@ -771,11 +771,11 @@ int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu)
restart:
rc = 0;
- spin_lock_irqsave(&qi->q_lock, flags);
+ raw_spin_lock_irqsave(&qi->q_lock, flags);
while (qi->free_cnt < 3) {
- spin_unlock_irqrestore(&qi->q_lock, flags);
+ raw_spin_unlock_irqrestore(&qi->q_lock, flags);
cpu_relax();
- spin_lock_irqsave(&qi->q_lock, flags);
+ raw_spin_lock_irqsave(&qi->q_lock, flags);
}
index = qi->free_head;
@@ -815,15 +815,15 @@ restart:
if (rc)
break;
- spin_unlock(&qi->q_lock);
+ raw_spin_unlock(&qi->q_lock);
cpu_relax();
- spin_lock(&qi->q_lock);
+ raw_spin_lock(&qi->q_lock);
}
qi->desc_status[index] = QI_DONE;
reclaim_free_desc(qi);
- spin_unlock_irqrestore(&qi->q_lock, flags);
+ raw_spin_unlock_irqrestore(&qi->q_lock, flags);
if (rc == -EAGAIN)
goto restart;
@@ -912,7 +912,7 @@ void dmar_disable_qi(struct intel_iommu *iommu)
if (!ecap_qis(iommu->ecap))
return;
- spin_lock_irqsave(&iommu->register_lock, flags);
+ raw_spin_lock_irqsave(&iommu->register_lock, flags);
sts = dmar_readq(iommu->reg + DMAR_GSTS_REG);
if (!(sts & DMA_GSTS_QIES))
@@ -932,7 +932,7 @@ void dmar_disable_qi(struct intel_iommu *iommu)
IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, readl,
!(sts & DMA_GSTS_QIES), sts);
end:
- spin_unlock_irqrestore(&iommu->register_lock, flags);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flags);
}
/*
@@ -947,7 +947,7 @@ static void __dmar_enable_qi(struct intel_iommu *iommu)
qi->free_head = qi->free_tail = 0;
qi->free_cnt = QI_LENGTH;
- spin_lock_irqsave(&iommu->register_lock, flags);
+ raw_spin_lock_irqsave(&iommu->register_lock, flags);
/* write zero to the tail reg */
writel(0, iommu->reg + DMAR_IQT_REG);
@@ -960,7 +960,7 @@ static void __dmar_enable_qi(struct intel_iommu *iommu)
/* Make sure hardware complete it */
IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, readl, (sts & DMA_GSTS_QIES), sts);
- spin_unlock_irqrestore(&iommu->register_lock, flags);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flags);
}
/*
@@ -1009,7 +1009,7 @@ int dmar_enable_qi(struct intel_iommu *iommu)
qi->free_head = qi->free_tail = 0;
qi->free_cnt = QI_LENGTH;
- spin_lock_init(&qi->q_lock);
+ raw_spin_lock_init(&qi->q_lock);
__dmar_enable_qi(iommu);
@@ -1075,11 +1075,11 @@ void dmar_msi_unmask(struct irq_data *data)
unsigned long flag;
/* unmask it */
- spin_lock_irqsave(&iommu->register_lock, flag);
+ raw_spin_lock_irqsave(&iommu->register_lock, flag);
writel(0, iommu->reg + DMAR_FECTL_REG);
/* Read a reg to force flush the post write */
readl(iommu->reg + DMAR_FECTL_REG);
- spin_unlock_irqrestore(&iommu->register_lock, flag);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
}
void dmar_msi_mask(struct irq_data *data)
@@ -1088,11 +1088,11 @@ void dmar_msi_mask(struct irq_data *data)
struct intel_iommu *iommu = irq_data_get_irq_handler_data(data);
/* mask it */
- spin_lock_irqsave(&iommu->register_lock, flag);
+ raw_spin_lock_irqsave(&iommu->register_lock, flag);
writel(DMA_FECTL_IM, iommu->reg + DMAR_FECTL_REG);
/* Read a reg to force flush the post write */
readl(iommu->reg + DMAR_FECTL_REG);
- spin_unlock_irqrestore(&iommu->register_lock, flag);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
}
void dmar_msi_write(int irq, struct msi_msg *msg)
@@ -1100,11 +1100,11 @@ void dmar_msi_write(int irq, struct msi_msg *msg)
struct intel_iommu *iommu = irq_get_handler_data(irq);
unsigned long flag;
- spin_lock_irqsave(&iommu->register_lock, flag);
+ raw_spin_lock_irqsave(&iommu->register_lock, flag);
writel(msg->data, iommu->reg + DMAR_FEDATA_REG);
writel(msg->address_lo, iommu->reg + DMAR_FEADDR_REG);
writel(msg->address_hi, iommu->reg + DMAR_FEUADDR_REG);
- spin_unlock_irqrestore(&iommu->register_lock, flag);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
}
void dmar_msi_read(int irq, struct msi_msg *msg)
@@ -1112,11 +1112,11 @@ void dmar_msi_read(int irq, struct msi_msg *msg)
struct intel_iommu *iommu = irq_get_handler_data(irq);
unsigned long flag;
- spin_lock_irqsave(&iommu->register_lock, flag);
+ raw_spin_lock_irqsave(&iommu->register_lock, flag);
msg->data = readl(iommu->reg + DMAR_FEDATA_REG);
msg->address_lo = readl(iommu->reg + DMAR_FEADDR_REG);
msg->address_hi = readl(iommu->reg + DMAR_FEUADDR_REG);
- spin_unlock_irqrestore(&iommu->register_lock, flag);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
}
static int dmar_fault_do_one(struct intel_iommu *iommu, int type,
@@ -1153,7 +1153,7 @@ irqreturn_t dmar_fault(int irq, void *dev_id)
u32 fault_status;
unsigned long flag;
- spin_lock_irqsave(&iommu->register_lock, flag);
+ raw_spin_lock_irqsave(&iommu->register_lock, flag);
fault_status = readl(iommu->reg + DMAR_FSTS_REG);
if (fault_status)
printk(KERN_ERR "DRHD: handling fault status reg %x\n",
@@ -1192,7 +1192,7 @@ irqreturn_t dmar_fault(int irq, void *dev_id)
writel(DMA_FRCD_F, iommu->reg + reg +
fault_index * PRIMARY_FAULT_REG_LEN + 12);
- spin_unlock_irqrestore(&iommu->register_lock, flag);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
dmar_fault_do_one(iommu, type, fault_reason,
source_id, guest_addr);
@@ -1200,14 +1200,14 @@ irqreturn_t dmar_fault(int irq, void *dev_id)
fault_index++;
if (fault_index >= cap_num_fault_regs(iommu->cap))
fault_index = 0;
- spin_lock_irqsave(&iommu->register_lock, flag);
+ raw_spin_lock_irqsave(&iommu->register_lock, flag);
}
clear_rest:
/* clear all the other faults */
fault_status = readl(iommu->reg + DMAR_FSTS_REG);
writel(fault_status, iommu->reg + DMAR_FSTS_REG);
- spin_unlock_irqrestore(&iommu->register_lock, flag);
+ raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
return IRQ_HANDLED;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 09:40:39 +0300