From: "Cédric Le Goater" <clg@kaod.org>
To: linuxppc-dev@lists.ozlabs.org
Cc: "Cédric Le Goater" <clg@kaod.org>
Subject: [PATCH v2 01/32] powerpc/pseries/pci: Introduce __find_pe_total_msi()
Date: Thu, 1 Jul 2021 15:27:19 +0200 [thread overview]
Message-ID: <20210701132750.1475580-2-clg@kaod.org> (raw)
In-Reply-To: <20210701132750.1475580-1-clg@kaod.org>
It will help to size the PCI MSI domain.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
arch/powerpc/platforms/pseries/msi.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 637300330507..d2d090e04745 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -164,12 +164,12 @@ static int check_req_msix(struct pci_dev *pdev, int nvec)
/* Quota calculation */
-static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total)
+static struct device_node *__find_pe_total_msi(struct device_node *node, int *total)
{
struct device_node *dn;
const __be32 *p;
- dn = of_node_get(pci_device_to_OF_node(dev));
+ dn = of_node_get(node);
while (dn) {
p = of_get_property(dn, "ibm,pe-total-#msi", NULL);
if (p) {
@@ -185,6 +185,11 @@ static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total)
return NULL;
}
+static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total)
+{
+ return __find_pe_total_msi(pci_device_to_OF_node(dev), total);
+}
+
static struct device_node *find_pe_dn(struct pci_dev *dev, int *total)
{
struct device_node *dn;
--
2.31.1
next prev parent reply other threads:[~2021-07-01 13:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-01 13:27 [PATCH v2 00/32] powerpc: Add MSI IRQ domains to PCI drivers Cédric Le Goater
2021-07-01 13:27 ` Cédric Le Goater [this message]
2021-07-01 13:27 ` [PATCH v2 02/32] powerpc/pseries/pci: Introduce rtas_prepare_msi_irqs() Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 03/32] powerpc/xive: Add support for IRQ domain hierarchy Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 04/32] powerpc/xive: Ease debugging of xive_irq_set_affinity() Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 05/32] powerpc/pseries/pci: Add MSI domains Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 06/32] powerpc/xive: Drop unmask of MSIs at startup Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 07/32] powerpc/xive: Remove irqd_is_started() check when setting the affinity Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 08/32] powerpc/pseries/pci: Add a domain_free_irqs() handler Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 09/32] powerpc/pseries/pci: Add a msi_free() handler to clear XIVE data Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 10/32] powerpc/pseries/pci: Add support of MSI domains to PHB hotplug Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 11/32] powerpc/powernv/pci: Introduce __pnv_pci_ioda_msi_setup() Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 12/32] powerpc/powernv/pci: Add MSI domains Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 13/32] KVM: PPC: Book3S HV: Use the new IRQ chip to detect passthrough interrupts Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 14/32] KVM: PPC: Book3S HV: XIVE: Change interface of passthrough interrupt routines Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 15/32] KVM: PPC: Book3S HV: XIVE: Fix mapping of passthrough interrupts Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 16/32] powerpc/xics: Remove ICS list Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 17/32] powerpc/xics: Rename the map handler in a check handler Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 18/32] powerpc/xics: Give a name to the default XICS IRQ domain Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 19/32] powerpc/xics: Add debug logging to the set_irq_affinity handlers Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 20/32] powerpc/xics: Add support for IRQ domain hierarchy Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 21/32] powerpc/powernv/pci: Customize the MSI EOI handler to support PHB3 Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 22/32] powerpc/pci: Drop XIVE restriction on MSI domains Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 23/32] powerpc/xics: Drop unmask of MSIs at startup Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 24/32] powerpc/pseries/pci: Drop unused MSI code Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 25/32] powerpc/powernv/pci: " Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 26/32] powerpc/powernv/pci: Adapt is_pnv_opal_msi() to detect passthrough interrupt Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 27/32] powerpc/xics: Fix IRQ migration Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 28/32] powerpc/powernv/pci: Set the IRQ chip data for P8/CXL devices Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 29/32] powerpc/powernv/pci: Rework pnv_opal_pci_msi_eoi() Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 30/32] KVM: PPC: Book3S HV: XICS: Fix mapping of passthrough interrupts Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 31/32] powerpc/xive: Use XIVE domain under xmon and debugfs Cédric Le Goater
2021-07-01 13:27 ` [PATCH v2 32/32] genirq: Improve "hwirq" output in /proc and /sys/ Cédric Le Goater
2021-08-18 13:38 ` [PATCH v2 00/32] powerpc: Add MSI IRQ domains to PCI drivers Michael Ellerman
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