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From: Roger Pau Monne <roger.pau@citrix.com>
To: <xen-devel@lists.xenproject.org>
Cc: Roger Pau Monne <roger.pau@citrix.com>,
	Jan Beulich <jbeulich@suse.com>, Paul Durrant <paul@xen.org>
Subject: [PATCH v3 07/11] x86/dpci: move code
Date: Wed, 31 Mar 2021 12:32:59 +0200	[thread overview]
Message-ID: <20210331103303.79705-8-roger.pau@citrix.com> (raw)
In-Reply-To: <20210331103303.79705-1-roger.pau@citrix.com>

This is code movement in order to simply further changes.

No functional change intended.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
Changes since v2:
 - Drop one of the leading underscores from __hvm_dpci_eoi.

Changes since v1:
 - New in this version.
---
 xen/drivers/passthrough/x86/hvm.c | 164 +++++++++++++++---------------
 1 file changed, 82 insertions(+), 82 deletions(-)

diff --git a/xen/drivers/passthrough/x86/hvm.c b/xen/drivers/passthrough/x86/hvm.c
index 2331af896d4..ecc7d66e600 100644
--- a/xen/drivers/passthrough/x86/hvm.c
+++ b/xen/drivers/passthrough/x86/hvm.c
@@ -205,6 +205,88 @@ static struct vcpu *vector_hashing_dest(const struct domain *d,
     return dest;
 }
 
+static void hvm_pirq_eoi(struct pirq *pirq)
+{
+    struct hvm_pirq_dpci *pirq_dpci;
+
+    if ( !pirq )
+    {
+        ASSERT_UNREACHABLE();
+        return;
+    }
+
+    pirq_dpci = pirq_dpci(pirq);
+
+    /*
+     * No need to get vector lock for timer
+     * since interrupt is still not EOIed
+     */
+    if ( --pirq_dpci->pending ||
+         /* When the interrupt source is MSI no Ack should be performed. */
+         (pirq_dpci->flags & HVM_IRQ_DPCI_TRANSLATE) )
+        return;
+
+    pirq_guest_eoi(pirq);
+}
+
+static void _hvm_dpci_eoi(struct domain *d,
+                          const struct hvm_girq_dpci_mapping *girq)
+{
+    struct pirq *pirq = pirq_info(d, girq->machine_gsi);
+
+    if ( !hvm_domain_use_pirq(d, pirq) )
+        hvm_pci_intx_deassert(d, girq->device, girq->intx);
+
+    hvm_pirq_eoi(pirq);
+}
+
+static void hvm_gsi_eoi(struct domain *d, unsigned int gsi)
+{
+    struct pirq *pirq = pirq_info(d, gsi);
+
+    /* Check if GSI is actually mapped. */
+    if ( !pirq_dpci(pirq) )
+        return;
+
+    hvm_gsi_deassert(d, gsi);
+    hvm_pirq_eoi(pirq);
+}
+
+void hvm_dpci_eoi(unsigned int guest_gsi)
+{
+    struct domain *d = current->domain;
+    const struct hvm_irq_dpci *hvm_irq_dpci;
+    const struct hvm_girq_dpci_mapping *girq;
+
+    if ( !is_iommu_enabled(d) )
+        return;
+
+    if ( is_hardware_domain(d) )
+    {
+        spin_lock(&d->event_lock);
+        hvm_gsi_eoi(d, guest_gsi);
+        goto unlock;
+    }
+
+    if ( guest_gsi < NR_ISAIRQS )
+    {
+        hvm_dpci_isairq_eoi(d, guest_gsi);
+        return;
+    }
+
+    spin_lock(&d->event_lock);
+    hvm_irq_dpci = domain_get_irq_dpci(d);
+
+    if ( !hvm_irq_dpci )
+        goto unlock;
+
+    list_for_each_entry ( girq, &hvm_irq_dpci->girq[guest_gsi], list )
+        _hvm_dpci_eoi(d, girq);
+
+unlock:
+    spin_unlock(&d->event_lock);
+}
+
 int pt_irq_create_bind(
     struct domain *d, const struct xen_domctl_bind_pt_irq *pt_irq_bind)
 {
@@ -860,88 +942,6 @@ static void hvm_dirq_assist(struct domain *d, struct hvm_pirq_dpci *pirq_dpci)
     spin_unlock(&d->event_lock);
 }
 
-static void hvm_pirq_eoi(struct pirq *pirq)
-{
-    struct hvm_pirq_dpci *pirq_dpci;
-
-    if ( !pirq )
-    {
-        ASSERT_UNREACHABLE();
-        return;
-    }
-
-    pirq_dpci = pirq_dpci(pirq);
-
-    /*
-     * No need to get vector lock for timer
-     * since interrupt is still not EOIed
-     */
-    if ( --pirq_dpci->pending ||
-         /* When the interrupt source is MSI no Ack should be performed. */
-         (pirq_dpci->flags & HVM_IRQ_DPCI_TRANSLATE) )
-        return;
-
-    pirq_guest_eoi(pirq);
-}
-
-static void __hvm_dpci_eoi(struct domain *d,
-                           const struct hvm_girq_dpci_mapping *girq)
-{
-    struct pirq *pirq = pirq_info(d, girq->machine_gsi);
-
-    if ( !hvm_domain_use_pirq(d, pirq) )
-        hvm_pci_intx_deassert(d, girq->device, girq->intx);
-
-    hvm_pirq_eoi(pirq);
-}
-
-static void hvm_gsi_eoi(struct domain *d, unsigned int gsi)
-{
-    struct pirq *pirq = pirq_info(d, gsi);
-
-    /* Check if GSI is actually mapped. */
-    if ( !pirq_dpci(pirq) )
-        return;
-
-    hvm_gsi_deassert(d, gsi);
-    hvm_pirq_eoi(pirq);
-}
-
-void hvm_dpci_eoi(unsigned int guest_gsi)
-{
-    struct domain *d = current->domain;
-    const struct hvm_irq_dpci *hvm_irq_dpci;
-    const struct hvm_girq_dpci_mapping *girq;
-
-    if ( !is_iommu_enabled(d) )
-        return;
-
-    if ( is_hardware_domain(d) )
-    {
-        spin_lock(&d->event_lock);
-        hvm_gsi_eoi(d, guest_gsi);
-        goto unlock;
-    }
-
-    if ( guest_gsi < NR_ISAIRQS )
-    {
-        hvm_dpci_isairq_eoi(d, guest_gsi);
-        return;
-    }
-
-    spin_lock(&d->event_lock);
-    hvm_irq_dpci = domain_get_irq_dpci(d);
-
-    if ( !hvm_irq_dpci )
-        goto unlock;
-
-    list_for_each_entry ( girq, &hvm_irq_dpci->girq[guest_gsi], list )
-        __hvm_dpci_eoi(d, girq);
-
-unlock:
-    spin_unlock(&d->event_lock);
-}
-
 static int pci_clean_dpci_irq(struct domain *d,
                               struct hvm_pirq_dpci *pirq_dpci, void *arg)
 {
-- 
2.30.1



  parent reply	other threads:[~2021-03-31 10:36 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-31 10:32 [PATCH v3 00/11] x86/intr: introduce EOI callbacks and fix vPT Roger Pau Monne
2021-03-31 10:32 ` [PATCH v3 01/11] x86/hvm: drop vcpu parameter from vlapic EOI callbacks Roger Pau Monne
2021-03-31 16:02   ` Jan Beulich
2021-03-31 16:24     ` Andrew Cooper
2021-04-01  9:12       ` Roger Pau Monné
2021-04-01 11:06   ` Jan Beulich
2021-04-07  7:41     ` Roger Pau Monné
2021-04-07  8:19       ` Jan Beulich
2021-03-31 10:32 ` [PATCH v3 02/11] x86/hvm: drop domain parameter from vioapic/vpic " Roger Pau Monne
2021-03-31 16:04   ` Jan Beulich
2021-04-01  9:15     ` Roger Pau Monné
2021-04-01  9:28       ` Jan Beulich
2021-03-31 10:32 ` [PATCH v3 03/11] x86/vlapic: introduce an EOI callback mechanism Roger Pau Monne
2021-03-31 11:47   ` Andrew Cooper
2021-03-31 12:50     ` Roger Pau Monné
2021-04-07 14:55   ` Jan Beulich
2021-04-07 16:27     ` Roger Pau Monné
2021-04-08  6:20       ` Jan Beulich
2021-04-08  9:12         ` Roger Pau Monné
2021-04-08 10:49           ` Jan Beulich
2021-04-08 10:56             ` Roger Pau Monné
2021-03-31 10:32 ` [PATCH v3 04/11] x86/vmsi: use the newly introduced EOI callbacks Roger Pau Monne
2021-04-07 14:59   ` Jan Beulich
2021-03-31 10:32 ` [PATCH v3 05/11] x86/vioapic: switch to use the EOI callback mechanism Roger Pau Monne
2021-04-07 15:19   ` Jan Beulich
2021-04-07 16:46     ` Roger Pau Monné
2021-04-08  6:27       ` Jan Beulich
2021-04-08  8:59         ` Roger Pau Monné
2021-04-08 10:52           ` Jan Beulich
2021-03-31 10:32 ` [PATCH v3 06/11] x86/hvm: allowing registering EOI callbacks for GSIs Roger Pau Monne
2021-04-07 15:51   ` Jan Beulich
2021-04-07 17:08     ` Roger Pau Monné
2021-04-08  6:34       ` Jan Beulich
2021-04-15 16:04       ` Roger Pau Monné
2021-04-16  7:29         ` Jan Beulich
2021-04-19  8:31           ` Roger Pau Monné
2021-04-08 12:52     ` Roger Pau Monné
2021-04-08 14:31       ` Jan Beulich
2021-04-08 15:06         ` Roger Pau Monné
2021-03-31 10:32 ` Roger Pau Monne [this message]
2021-03-31 10:33 ` [PATCH v3 08/11] x86/dpci: switch to use a GSI EOI callback Roger Pau Monne
2021-04-08 14:49   ` Jan Beulich
2021-04-08 15:23     ` Roger Pau Monné
2021-03-31 10:33 ` [PATCH v3 09/11] x86/vpt: switch interrupt injection model Roger Pau Monne
2021-04-14 10:28   ` Jan Beulich
2021-04-14 13:37     ` Roger Pau Monné
2021-04-14 14:05       ` Jan Beulich
2021-04-14 14:20         ` Roger Pau Monné
2021-03-31 10:33 ` [PATCH v3 10/11] x86/vpt: remove vPT timers per-vCPU lists Roger Pau Monne
2021-04-14 10:38   ` Jan Beulich
2021-03-31 10:33 ` [PATCH v3 11/11] x86/vpt: introduce a per-vPT lock Roger Pau Monne

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