aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/msi.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2021-12-10 23:19:12 +0100
committerThomas Gleixner <tglx@linutronix.de>2021-12-16 22:16:40 +0100
commit20c6d424cfe641659c9a025db8a8608701b27246 (patch)
treee582cb71146d41968a9c272374390e6977bdfa99 /include/linux/msi.h
parentplatform-msi: Store platform private data pointer in msi_device_data (diff)
downloadlinux-dev-20c6d424cfe641659c9a025db8a8608701b27246.tar.xz
linux-dev-20c6d424cfe641659c9a025db8a8608701b27246.zip
genirq/msi: Consolidate MSI descriptor data
All non PCI/MSI usage variants have data structures in struct msi_desc with only one member: xxx_index. PCI/MSI has a entry_nr member. Add a common msi_index member to struct msi_desc so all implementations can share it which allows further consolidation. 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/20211210221814.350967317@linutronix.de
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index cdf0d09c3ad4..ee8fe49dedd1 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -143,6 +143,7 @@ struct ti_sci_inta_msi_desc {
* address or data changes
* @write_msi_msg_data: Data parameter for the callback.
*
+ * @msi_index: Index of the msi descriptor
* @pci: [PCI] PCI speficic msi descriptor data
* @platform: [platform] Platform device specific msi descriptor data
* @fsl_mc: [fsl-mc] FSL MC device specific msi descriptor data
@@ -163,6 +164,7 @@ struct msi_desc {
void (*write_msi_msg)(struct msi_desc *entry, void *data);
void *write_msi_msg_data;
+ u16 msi_index;
union {
struct pci_msi_desc pci;
struct platform_msi_desc platform;