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tools/lguest: Fix redefinition of struct virtio_pci_cfg_cap

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Ours uses a u32 for the data, since we ensure it's always
aligned and it's x86 so it doesn't matter anyway.

  lguest.c:128:8: error: redefinition of ‘struct virtio_pci_cfg_cap’

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Fixes: 3121bb023e2db ("virtio: define virtio_pci_cfg_cap in header.")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Rusty Russell 2015-08-26 10:42:26 +09:30 committed by Ingo Molnar
parent a782a7e46b
commit e523caa601
1 changed files with 7 additions and 3 deletions
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10
tools/lguest/lguest.c
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@ -125,7 +125,11 @@ struct device_list {
/* The list of Guest devices, based on command line arguments. */ /* The list of Guest devices, based on command line arguments. */
static struct device_list devices; static struct device_list devices;
struct virtio_pci_cfg_cap { /*
* Just like struct virtio_pci_cfg_cap in uapi/linux/virtio_pci.h,
* but uses a u32 explicitly for the data.
*/
struct virtio_pci_cfg_cap_u32 {
struct virtio_pci_cap cap; struct virtio_pci_cap cap;
u32 pci_cfg_data; /* Data for BAR access. */ u32 pci_cfg_data; /* Data for BAR access. */
}; };
@ -157,7 +161,7 @@ struct pci_config {
struct virtio_pci_notify_cap notify; struct virtio_pci_notify_cap notify;
struct virtio_pci_cap isr; struct virtio_pci_cap isr;
struct virtio_pci_cap device; struct virtio_pci_cap device;
struct virtio_pci_cfg_cap cfg_access; struct virtio_pci_cfg_cap_u32 cfg_access;
}; };
/* The device structure describes a single device. */ /* The device structure describes a single device. */
@ -1291,7 +1295,7 @@ static struct device *dev_and_reg(u32 *reg)
* only fault if they try to write with some invalid bar/offset/length. * only fault if they try to write with some invalid bar/offset/length.
*/ */
static bool valid_bar_access(struct device *d, static bool valid_bar_access(struct device *d,
struct virtio_pci_cfg_cap *cfg_access) struct virtio_pci_cfg_cap_u32 *cfg_access)
{ {
/* We only have 1 bar (BAR0) */ /* We only have 1 bar (BAR0) */
if (cfg_access->cap.bar != 0) if (cfg_access->cap.bar != 0)