summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/ppc-pci.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/powerpc/include/asm/ppc-pci.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/ppc-pci.h')
-rw-r--r--arch/powerpc/include/asm/ppc-pci.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h
new file mode 100644
index 000000000..f6cf01590
--- /dev/null
+++ b/arch/powerpc/include/asm/ppc-pci.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * c 2001 PPC 64 Team, IBM Corp
+ */
+#ifndef _ASM_POWERPC_PPC_PCI_H
+#define _ASM_POWERPC_PPC_PCI_H
+#ifdef __KERNEL__
+
+#ifdef CONFIG_PCI
+
+#include <linux/pci.h>
+#include <asm/pci-bridge.h>
+
+extern unsigned long isa_io_base;
+
+extern struct list_head hose_list;
+
+extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
+
+/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
+#define BUID_HI(buid) upper_32_bits(buid)
+#define BUID_LO(buid) lower_32_bits(buid)
+
+/* PCI device_node operations */
+struct device_node;
+struct pci_dn;
+
+void *pci_traverse_device_nodes(struct device_node *start,
+ void *(*fn)(struct device_node *, void *),
+ void *data);
+extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
+
+/* From rtas_pci.h */
+extern void init_pci_config_tokens (void);
+extern unsigned long get_phb_buid (struct device_node *);
+extern int rtas_setup_phb(struct pci_controller *phb);
+
+#ifdef CONFIG_EEH
+
+void eeh_addr_cache_insert_dev(struct pci_dev *dev);
+void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
+struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
+void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
+int eeh_pci_enable(struct eeh_pe *pe, int function);
+int eeh_pe_reset_full(struct eeh_pe *pe, bool include_passed);
+void eeh_save_bars(struct eeh_dev *edev);
+int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
+int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
+void eeh_pe_state_mark(struct eeh_pe *pe, int state);
+void eeh_pe_mark_isolated(struct eeh_pe *pe);
+void eeh_pe_state_clear(struct eeh_pe *pe, int state, bool include_passed);
+void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
+void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
+
+void eeh_sysfs_add_device(struct pci_dev *pdev);
+void eeh_sysfs_remove_device(struct pci_dev *pdev);
+
+#endif /* CONFIG_EEH */
+
+#define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff)
+
+#else /* CONFIG_PCI */
+static inline void init_pci_config_tokens(void) { }
+#endif /* !CONFIG_PCI */
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_PPC_PCI_H */