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 v2 6/8] kvm tools: Use dynamic IO port allocation in 9p driver
Date: Thu, 26 May 2011 09:42:13 +0300 [thread overview]
Message-ID: <1306392135-16993-6-git-send-email-levinsasha928@gmail.com> (raw)
In-Reply-To: <1306392135-16993-1-git-send-email-levinsasha928@gmail.com>
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
---
tools/kvm/include/kvm/ioport.h | 2 --
tools/kvm/virtio/9p.c | 12 +++++++-----
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/tools/kvm/include/kvm/ioport.h b/tools/kvm/include/kvm/ioport.h
index 5dee9d2..a6bcc6a 100644
--- a/tools/kvm/include/kvm/ioport.h
+++ b/tools/kvm/include/kvm/ioport.h
@@ -10,8 +10,6 @@
#define IOPORT_START 0x6200
#define IOPORT_SIZE 0x400
-#define IOPORT_VIRTIO_P9 0xb200 /* Virtio 9P device */
-#define IOPORT_VIRTIO_P9_SIZE 256
#define IOPORT_VIRTIO_CONSOLE 0xd200 /* Virtio console device */
#define IOPORT_VIRTIO_CONSOLE_SIZE 256
#define IOPORT_VIRTIO_NET 0xe200 /* Virtio network device */
diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c
index e307592..af21463 100644
--- a/tools/kvm/virtio/9p.c
+++ b/tools/kvm/virtio/9p.c
@@ -50,7 +50,6 @@ static struct pci_device_header virtio_p9_pci_device = {
.class = 0x010000,
.subsys_vendor_id = PCI_SUBSYSTEM_VENDOR_ID_REDHAT_QUMRANET,
.subsys_id = VIRTIO_ID_9P,
- .bar[0] = IOPORT_VIRTIO_P9 | PCI_BASE_ADDRESS_SPACE_IO,
};
struct p9_dev {
@@ -59,6 +58,7 @@ struct p9_dev {
u16 config_vector;
u32 features;
struct virtio_9p_config *config;
+ u16 base_addr;
/* virtio queue */
u16 queue_selector;
@@ -96,7 +96,7 @@ static bool virtio_p9_pci_io_in(struct kvm *kvm, u16 port, void *data, int size,
unsigned long offset;
bool ret = true;
- offset = port - IOPORT_VIRTIO_P9;
+ offset = port - p9dev.base_addr;
switch (offset) {
case VIRTIO_PCI_HOST_FEATURES:
@@ -584,7 +584,7 @@ static bool virtio_p9_pci_io_out(struct kvm *kvm, u16 port, void *data, int size
unsigned long offset;
bool ret = true;
- offset = port - IOPORT_VIRTIO_P9;
+ offset = port - p9dev.base_addr;
switch (offset) {
case VIRTIO_MSI_QUEUE_VECTOR:
@@ -636,6 +636,7 @@ void virtio_9p__init(struct kvm *kvm, const char *root)
{
u8 pin, line, dev;
u32 i, root_len;
+ u16 p9_base_addr;
p9dev.config = calloc(1, sizeof(*p9dev.config) + sizeof(VIRTIO_P9_TAG));
if (p9dev.config == NULL)
@@ -662,7 +663,8 @@ void virtio_9p__init(struct kvm *kvm, const char *root)
virtio_p9_pci_device.irq_pin = pin;
virtio_p9_pci_device.irq_line = line;
+ p9_base_addr = ioport__register(IOPORT_EMPTY, &virtio_p9_io_ops, IOPORT_SIZE);
+ virtio_p9_pci_device.bar[0] = p9_base_addr | PCI_BASE_ADDRESS_SPACE_IO;
+ p9dev.base_addr = p9_base_addr;
pci__register(&virtio_p9_pci_device, dev);
-
- ioport__register(IOPORT_VIRTIO_P9, &virtio_p9_io_ops, IOPORT_VIRTIO_P9_SIZE);
}
--
1.7.5.rc3
next prev parent reply other threads:[~2011-05-26 6:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-26 6:42 [PATCH v2 1/8] kvm tools: Add optional parameter used in ioport callbacks Sasha Levin
2011-05-26 6:42 ` [PATCH v2 2/8] kvm tools: Add basic ioport dynamic allocation Sasha Levin
2011-05-26 6:42 ` [PATCH v2 3/8] kvm tools: Use ioport context to control blk devices Sasha Levin
2011-05-26 6:42 ` [PATCH v2 4/8] kvm tools: Add support for multiple virtio-rng devices Sasha Levin
2011-05-26 6:42 ` [PATCH v2 5/8] kvm tools: Use dynamic IO port allocation in vesa driver Sasha Levin
2011-05-26 6:42 ` Sasha Levin [this message]
2011-05-26 6:42 ` [PATCH v2 7/8] kvm tools: Use dynamic IO port allocation in virtio-console Sasha Levin
2011-05-26 6:42 ` [PATCH v2 8/8] kvm tools: Use dynamic IO port allocation in virtio-net Sasha Levin
2011-05-26 8:53 ` [PATCH v2 1/8] kvm tools: Add optional parameter used in ioport callbacks Pekka Enberg
2011-05-26 9:02 ` Sasha Levin
2011-05-26 9:04 ` Pekka Enberg
2011-05-26 9:14 ` Sasha Levin
2011-05-26 9:20 ` Pekka Enberg
2011-05-26 9:38 ` Sasha Levin
2011-05-26 9:43 ` Pekka Enberg
2011-05-26 9:49 ` Pekka Enberg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1306392135-16993-6-git-send-email-levinsasha928@gmail.com \
--to=levinsasha928@gmail.com \
--cc=asias.hejun@gmail.com \
--cc=gorcunov@gmail.com \
--cc=john@jfloren.net \
--cc=kvm@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=penberg@kernel.org \
--cc=prasadjoshi124@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox