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[Qemu-devel] [PATCH 23/37] ehci: move ehci_flush_qh
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 23/37] ehci: move ehci_flush_qh |
Date: |
Thu, 7 Jun 2012 11:31:12 +0200 |
Move ehci_flush_qh() function up in the source code.
No code change.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/usb/hcd-ehci.c | 35 ++++++++++++++++++-----------------
1 files changed, 18 insertions(+), 17 deletions(-)
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index d7131bd..f21b4be 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -1553,6 +1553,24 @@ static int ehci_process_itd(EHCIState *ehci,
return 0;
}
+
+/*
+ * Write the qh back to guest physical memory. This step isn't
+ * in the EHCI spec but we need to do it since we don't share
+ * physical memory with our guest VM.
+ *
+ * The first three dwords are read-only for the EHCI, so skip them
+ * when writing back the qh.
+ */
+static void ehci_flush_qh(EHCIQueue *q)
+{
+ uint32_t *qh = (uint32_t *) &q->qh;
+ uint32_t dwords = sizeof(EHCIqh) >> 2;
+ uint32_t addr = NLPTR_GET(q->qhaddr);
+
+ put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
+}
+
/* This state is the entry point for asynchronous schedule
* processing. Entry here consitutes a EHCI start event state (4.8.5)
*/
@@ -1869,23 +1887,6 @@ static int ehci_state_horizqh(EHCIQueue *q, int async)
return again;
}
-/*
- * Write the qh back to guest physical memory. This step isn't
- * in the EHCI spec but we need to do it since we don't share
- * physical memory with our guest VM.
- *
- * The first three dwords are read-only for the EHCI, so skip them
- * when writing back the qh.
- */
-static void ehci_flush_qh(EHCIQueue *q)
-{
- uint32_t *qh = (uint32_t *) &q->qh;
- uint32_t dwords = sizeof(EHCIqh) >> 2;
- uint32_t addr = NLPTR_GET(q->qhaddr);
-
- put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
-}
-
static int ehci_state_execute(EHCIQueue *q, int async)
{
EHCIPacket *p = QTAILQ_FIRST(&q->packets);
--
1.7.1
- [Qemu-devel] [PULL 00/37] usb patch queue, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 02/37] uhci: use bottom half, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 23/37] ehci: move ehci_flush_qh,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH 14/37] xhci: trace: run+stop, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 28/37] ehci: schedule async bh on async packet completion, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 25/37] ehci: tweak queue initialization, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 08/37] usb-storage: remove MSDState->residue, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 03/37] uhci: make bandwidth tunable, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 17/37] xhci: trace: endpoints, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 29/37] ehci: kick async schedule on wakeup, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 05/37] uhci: zap uhci_pre_save, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 30/37] ehci: fix reset, Gerd Hoffmann, 2012/06/07
- [Qemu-devel] [PATCH 04/37] uhci: fix trace format strings, Gerd Hoffmann, 2012/06/07