From 9ddaf9c3ed007cd03c1335fb40920ad76f72a3d5 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Fri, 31 Oct 2025 14:29:00 -0700 Subject: PCI/IDE: Report available IDE streams The limited number of link-encryption (IDE) streams that a given set of host bridges supports is a platform specific detail. Provide pci_ide_init_nr_streams() as a generic facility for either platform TSM drivers, or PCI core native IDE, to report the number available streams. After invoking pci_ide_init_nr_streams() an "available_secure_streams" attribute appears in PCI host bridge sysfs to convey that count. Introduce a device-type, @pci_host_bridge_type, now that both a release method and sysfs attribute groups are being specified for all 'struct pci_host_bridge' instances. Cc: Bjorn Helgaas Cc: Lukas Wunner Cc: Samuel Ortiz Cc: Alexey Kardashevskiy Cc: Xu Yilun Acked-by: Bjorn Helgaas Reviewed-by: Jonathan Cameron Link: https://patch.msgid.link/20251031212902.2256310-9-dan.j.williams@intel.com Signed-off-by: Dan Williams --- include/linux/pci-ide.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/pci-ide.h') diff --git a/include/linux/pci-ide.h b/include/linux/pci-ide.h index e638f9429bf9..85645b0a8620 100644 --- a/include/linux/pci-ide.h +++ b/include/linux/pci-ide.h @@ -63,6 +63,7 @@ struct pci_ide { const char *name; }; +void pci_ide_set_nr_streams(struct pci_host_bridge *hb, u16 nr); struct pci_ide_partner *pci_ide_to_settings(struct pci_dev *pdev, struct pci_ide *ide); struct pci_ide *pci_ide_stream_alloc(struct pci_dev *pdev); -- cgit