From: Sasha Levin <levinsasha928@gmail.com>
To: penberg@kernel.org
Cc: john@jfloren.net, kvm@vger.kernel.org, mingo@elte.hu,
asias.hejun@gmail.com, gorcunov@gmail.com,
prasadjoshi124@gmail.com, Sasha Levin <levinsasha928@gmail.com>
Subject: [PATCH 7/9] kvm tools: Use dynamic IO port allocation in virtio-console driver
Date: Wed, 25 May 2011 17:23:45 +0300 [thread overview]
Message-ID: <1306333427-26186-7-git-send-email-levinsasha928@gmail.com> (raw)
In-Reply-To: <1306333427-26186-1-git-send-email-levinsasha928@gmail.com>
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
---
tools/kvm/virtio/console.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/tools/kvm/virtio/console.c b/tools/kvm/virtio/console.c
index affff0b..eeb5dc9 100644
--- a/tools/kvm/virtio/console.c
+++ b/tools/kvm/virtio/console.c
@@ -36,7 +36,6 @@ static struct pci_device_header virtio_console_pci_device = {
.class = 0x078000,
.subsys_vendor_id = PCI_SUBSYSTEM_VENDOR_ID_REDHAT_QUMRANET,
.subsys_id = VIRTIO_ID_CONSOLE,
- .bar[0] = IOPORT_VIRTIO_CONSOLE | PCI_BASE_ADDRESS_SPACE_IO,
};
struct con_dev {
@@ -50,6 +49,7 @@ struct con_dev {
u8 status;
u8 isr;
u16 queue_selector;
+ u16 base_addr;
void *jobs[VIRTIO_CONSOLE_NUM_QUEUES];
};
@@ -113,7 +113,7 @@ static bool virtio_console_pci_io_device_specific_in(void *data, unsigned long o
static bool virtio_console_pci_io_in(struct kvm *kvm, u16 port, void *data, int size, u32 count)
{
- unsigned long offset = port - IOPORT_VIRTIO_CONSOLE;
+ unsigned long offset = port - cdev.base_addr;
bool ret = true;
mutex_lock(&cdev.mutex);
@@ -181,7 +181,7 @@ static void virtio_console_handle_callback(struct kvm *kvm, void *param)
static bool virtio_console_pci_io_out(struct kvm *kvm, u16 port, void *data, int size, u32 count)
{
- unsigned long offset = port - IOPORT_VIRTIO_CONSOLE;
+ unsigned long offset = port - cdev.base_addr;
bool ret = true;
mutex_lock(&cdev.mutex);
@@ -243,12 +243,16 @@ static struct ioport_operations virtio_console_io_ops = {
void virtio_console__init(struct kvm *kvm)
{
u8 dev, line, pin;
+ u16 console_base_addr;
if (irq__register_device(VIRTIO_ID_CONSOLE, &dev, &pin, &line) < 0)
return;
virtio_console_pci_device.irq_pin = pin;
virtio_console_pci_device.irq_line = line;
+ console_base_addr = ioport__find_free_range();
+ virtio_console_pci_device.bar[0] = console_base_addr | PCI_BASE_ADDRESS_SPACE_IO;
+ cdev.base_addr = console_base_addr;
pci__register(&virtio_console_pci_device, dev);
- ioport__register(IOPORT_VIRTIO_CONSOLE, &virtio_console_io_ops, IOPORT_VIRTIO_CONSOLE_SIZE);
+ ioport__register(console_base_addr, &virtio_console_io_ops, IOPORT_SIZE);
}
--
1.7.5.rc3
next prev parent reply other threads:[~2011-05-25 14:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-25 14:23 [PATCH 1/9] kvm tools: Add optional parameter used in ioport callbacks Sasha Levin
2011-05-25 14:23 ` [PATCH 2/9] kvm tools: Add basic ioport dynamic allocation Sasha Levin
2011-05-25 14:34 ` Ingo Molnar
2011-05-25 14:23 ` [PATCH 3/9] kvm tools: Use ioport context to control blk devices Sasha Levin
2011-05-25 14:23 ` [PATCH 4/9] kvm tools: Add support for multiple virtio-rng devices Sasha Levin
2011-05-25 14:23 ` [PATCH 5/9] kvm tools: Use dynamic IO port allocation in vesa driver Sasha Levin
2011-05-25 14:23 ` [PATCH 6/9] kvm tools: Use dynamic IO port allocation in 9p driver Sasha Levin
2011-05-25 14:23 ` Sasha Levin [this message]
2011-05-25 14:42 ` [PATCH 7/9] kvm tools: Use dynamic IO port allocation in virtio-console driver Ingo Molnar
2011-05-25 15:35 ` Sasha Levin
2011-05-25 14:23 ` [PATCH 8/9] kvm tools: Use dynamic IO port allocation in virtio-net driver Sasha Levin
2011-05-25 14:23 ` [PATCH 9/9] kvm tools: Remove static ioport allocations Sasha Levin
2011-05-25 14:43 ` Ingo Molnar
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