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authorThomas Gleixner <tglx@linutronix.de>2021-12-10 23:19:03 +0100
committerThomas Gleixner <tglx@linutronix.de>2021-12-16 22:16:39 +0100
commitbf6e054e0e3fbc9614355b760e18c8a14f952a4e (patch)
tree96034b54171e7199ef0cd01ad599024b33136197 /include/linux/msi.h
parentsoc: ti: ti_sci_inta_msi: Allocate MSI device data on first use (diff)
downloadlinux-dev-bf6e054e0e3fbc9614355b760e18c8a14f952a4e.tar.xz
linux-dev-bf6e054e0e3fbc9614355b760e18c8a14f952a4e.zip
genirq/msi: Provide msi_device_populate/destroy_sysfs()
Add new allocation functions which can be activated by domain info flags. They store the groups pointer in struct msi_device_data. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Michael Kelley <mikelley@microsoft.com> Tested-by: Nishanth Menon <nm@ti.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20211210221813.988659194@linutronix.de
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 7e4c8fd7c65d..1b96dc483b88 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -56,6 +56,8 @@ struct irq_data;
struct msi_desc;
struct pci_dev;
struct platform_msi_priv_data;
+struct attribute_group;
+
void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
#ifdef CONFIG_GENERIC_MSI_IRQ
void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg);
@@ -174,9 +176,11 @@ struct msi_desc {
/**
* msi_device_data - MSI per device data
* @properties: MSI properties which are interesting to drivers
+ * @attrs: Pointer to the sysfs attribute group
*/
struct msi_device_data {
unsigned long properties;
+ const struct attribute_group **attrs;
};
int msi_setup_device_data(struct device *dev);