| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <af46c15c47a7716f7e0c50d0f7391509c95b49c2.1750858083.git.namcao@linutronix.de>
Date: Thu, 26 Jun 2025 16:47:52 +0200
From: Nam Cao <namcao@...utronix.de>
To: Marc Zyngier <maz@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
Rob Herring <robh@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org,
Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>,
Hou Zhiqiang <Zhiqiang.Hou@....com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Pali Rohár <pali@...nel.org>,
"K . Y . Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>,
Dexuan Cui <decui@...rosoft.com>,
Joyce Ooi <joyce.ooi@...el.com>,
Jim Quinlan <jim2101024@...il.com>,
Nicolas Saenz Julienne <nsaenz@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
Ryder Lee <ryder.lee@...iatek.com>,
Jianjun Wang <jianjun.wang@...iatek.com>,
Marek Vasut <marek.vasut+renesas@...il.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
Michal Simek <michal.simek@....com>,
Daire McNamara <daire.mcnamara@...rochip.com>,
Nirmal Patel <nirmal.patel@...ux.intel.com>,
Jonathan Derrick <jonathan.derrick@...ux.dev>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
linux-arm-kernel@...ts.infradead.org,
linux-hyperv@...r.kernel.org,
linux-rpi-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
linux-renesas-soc@...r.kernel.org
Cc: Nam Cao <namcao@...utronix.de>
Subject: [PATCH 02/16] PCI: mobiveil: Switch to msi_create_parent_irq_domain()
Move away from the legacy MSI domain setup, switch to use
msi_create_parent_irq_domain().
Signed-off-by: Nam Cao <namcao@...utronix.de>
---
Cc: Karthikeyan Mitran <m.karthikeyan@...iveil.co.in>
Cc: Hou Zhiqiang <Zhiqiang.Hou@....com>
---
drivers/pci/controller/mobiveil/Kconfig | 1 +
.../controller/mobiveil/pcie-mobiveil-host.c | 42 ++++++++++---------
.../pci/controller/mobiveil/pcie-mobiveil.h | 1 -
3 files changed, 23 insertions(+), 21 deletions(-)
diff --git a/drivers/pci/controller/mobiveil/Kconfig b/drivers/pci/controller/mobiveil/Kconfig
index 58ce034f701ab..c50c4625937f8 100644
--- a/drivers/pci/controller/mobiveil/Kconfig
+++ b/drivers/pci/controller/mobiveil/Kconfig
@@ -9,6 +9,7 @@ config PCIE_MOBIVEIL
config PCIE_MOBIVEIL_HOST
bool
depends on PCI_MSI
+ select IRQ_MSI_LIB
select PCIE_MOBIVEIL
config PCIE_LAYERSCAPE_GEN4
diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
index cd44ddb698ea2..d17e887b6b61d 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/irqchip/irq-msi-lib.h>
#include <linux/irqchip/chained_irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
@@ -353,16 +354,19 @@ static const struct irq_domain_ops intx_domain_ops = {
.map = mobiveil_pcie_intx_map,
};
-static struct irq_chip mobiveil_msi_irq_chip = {
- .name = "Mobiveil PCIe MSI",
- .irq_mask = pci_msi_mask_irq,
- .irq_unmask = pci_msi_unmask_irq,
-};
+#define MOBIVEIL_MSI_FLAGS_REQUIRED (MSI_FLAG_USE_DEF_DOM_OPS | \
+ MSI_FLAG_USE_DEF_CHIP_OPS | \
+ MSI_FLAG_NO_AFFINITY)
+
+#define MOBIVEIL_MSI_FLAGS_SUPPORTED (MSI_GENERIC_FLAGS_MASK | \
+ MSI_FLAG_PCI_MSIX)
-static struct msi_domain_info mobiveil_msi_domain_info = {
- .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_NO_AFFINITY | MSI_FLAG_PCI_MSIX,
- .chip = &mobiveil_msi_irq_chip,
+static const struct msi_parent_ops mobiveil_msi_parent_ops = {
+ .required_flags = MOBIVEIL_MSI_FLAGS_REQUIRED,
+ .supported_flags = MOBIVEIL_MSI_FLAGS_SUPPORTED,
+ .bus_select_token = DOMAIN_BUS_PCI_MSI,
+ .prefix = "Mobiveil-",
+ .init_dev_msi_info = msi_lib_init_dev_msi_info,
};
static void mobiveil_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
@@ -439,19 +443,17 @@ static int mobiveil_allocate_msi_domains(struct mobiveil_pcie *pcie)
struct mobiveil_msi *msi = &pcie->rp.msi;
mutex_init(&msi->lock);
- msi->dev_domain = irq_domain_create_linear(NULL, msi->num_of_vectors,
- &msi_domain_ops, pcie);
- if (!msi->dev_domain) {
- dev_err(dev, "failed to create IRQ domain\n");
- return -ENOMEM;
- }
- msi->msi_domain = pci_msi_create_irq_domain(fwnode,
- &mobiveil_msi_domain_info,
- msi->dev_domain);
- if (!msi->msi_domain) {
+ struct irq_domain_info info = {
+ .fwnode = fwnode,
+ .ops = &msi_domain_ops,
+ .host_data = pcie,
+ .size = msi->num_of_vectors,
+ };
+
+ msi->dev_domain = msi_create_parent_irq_domain(&info, &mobiveil_msi_parent_ops);
+ if (!msi->dev_domain) {
dev_err(dev, "failed to create MSI domain\n");
- irq_domain_remove(msi->dev_domain);
return -ENOMEM;
}
diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil.h b/drivers/pci/controller/mobiveil/pcie-mobiveil.h
index 662f17f9bf65c..7246de6a71768 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil.h
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.h
@@ -135,7 +135,6 @@
struct mobiveil_msi { /* MSI information */
struct mutex lock; /* protect bitmap variable */
- struct irq_domain *msi_domain;
struct irq_domain *dev_domain;
phys_addr_t msi_pages_phys;
int num_of_vectors;
--
2.39.5
Powered by blists - more mailing lists