Because the counterpart to pci_bar_set_addr() setter is
pci_bar_addr() getter, these names become inconsistent.
Rename pci_bar_addr() to pci_bar_get_addr() also to make
the resulting names conform to each other.
Cc: Thomas Huth <thuth@xxxxxxxxxx>
Cc: Andrew Jones <drjones@xxxxxxxxxx>
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
---
lib/pci.c | 12 +++++++++++-
lib/pci.h | 3 ++-
x86/vmexit.c | 4 ++--
3 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/lib/pci.c b/lib/pci.c
index d092e22b8804..c9b2daa6a4ce 100644
--- a/lib/pci.c
+++ b/lib/pci.c
@@ -32,7 +32,7 @@ static uint32_t pci_bar_get(pcidevaddr_t dev, int bar_num)
return pci_config_readl(dev, PCI_BASE_ADDRESS_0 + bar_num * 4);
}
-phys_addr_t pci_bar_addr(pcidevaddr_t dev, int bar_num)
+phys_addr_t pci_bar_get_addr(pcidevaddr_t dev, int bar_num)
{
phys_addr_t bar = pci_bar_get(dev, bar_num);
phys_addr_t mask = (int32_t)pci_bar_mask(bar);
@@ -43,6 +43,16 @@ phys_addr_t pci_bar_addr(pcidevaddr_t dev, int bar_num)
return pci_translate_addr(dev, bar & mask);
}
+void pci_bar_set_addr(pcidevaddr_t dev, int bar_num, phys_addr_t addr)
+{
+ int off = PCI_BASE_ADDRESS_0 + bar_num * 4;
+
+ pci_config_writel(dev, off, (uint32_t)addr);
+
+ if (pci_bar_is64(dev, bar_num))
+ pci_config_writel(dev, off + 4, (uint32_t)(addr >> 32));
+}
+
/*
* To determine the amount of address space needed by a PCI device,
* one must save the original value of the BAR, write a value of
diff --git a/lib/pci.h b/lib/pci.h
index dbfe7918da37..a51d2ff52cec 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -27,7 +27,8 @@ pcidevaddr_t pci_find_dev(uint16_t vendor_id, uint16_t device_id);
* It is expected the caller is aware of the device BAR layout and never
* tries to address in the middle of a 64-bit register.
*/
-phys_addr_t pci_bar_addr(pcidevaddr_t dev, int bar_num);
+phys_addr_t pci_bar_get_addr(pcidevaddr_t dev, int bar_num);
+void pci_bar_set_addr(pcidevaddr_t dev, int bar_num, phys_addr_t addr);
phys_addr_t pci_bar_size(pcidevaddr_t dev, int bar_num);
bool pci_bar_is64(pcidevaddr_t dev, int bar_num);
bool pci_bar_is_memory(pcidevaddr_t dev, int bar_num);
diff --git a/x86/vmexit.c b/x86/vmexit.c
index c2e1e496918d..2d99d5fdf1c2 100644
--- a/x86/vmexit.c
+++ b/x86/vmexit.c
@@ -392,10 +392,10 @@ int main(int ac, char **av)
continue;
}
if (pci_bar_is_memory(pcidev, i)) {
- membar = pci_bar_addr(pcidev, i);
+ membar = pci_bar_get_addr(pcidev, i);
pci_test.memaddr = ioremap(membar, PAGE_SIZE);
} else {
- pci_test.iobar = pci_bar_addr(pcidev, i);
+ pci_test.iobar = pci_bar_get_addr(pcidev, i);
}
}
printf("pci-testdev at 0x%x membar %lx iobar %x\n",
--
1.8.3.1
--
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