<commit_before>/* pbm.h: UltraSparc PCI controller software state.
 *
 * Copyright (C) 1997, 1998, 1999, 2007 <NAME> (<EMAIL>)
 */

#ifndef __SPARC64_PBM_H
#define __SPARC64_PBM_H

#include <linux/types.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/spinlock.h>
#include <linux/msi.h>

#include <asm/io.h>
#include <asm/page.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/iommu.h>

/* The abstraction used here is that there are PCI controllers,
 * each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules
 * underneath.  Each PCI bus module uses an IOMMU (shared by both
 * PBMs of a controller, or per-PBM), and if a streaming buffer
 * is present, each PCI bus module has it's own. (ie. the IOMMU
 * might be shared between PBMs, the STC is never shared)
 * Furthermore, each PCI bus module controls it's own autonomous
 * PCI bus.
 */

extern void pci_iommu_table_init(struct iommu *iommu, int tsbsize, u32 dma_offset, u32 dma_addr_mask);

#define PCI_STC_FLUSHFLAG_INIT(STC) \
	(*((STC)->strbuf_flushflag) = 0UL)
#define PCI_STC_FLUSHFLAG_SET(STC) \
	(*((STC)->strbuf_flushflag) != 0UL)

/* There can be quite a few ranges and interrupt maps on a PCI
 * segment.  Thus...
 */
#define PROM_PCIRNG_MAX		64
#define PROM_PCIIMAP_MAX	64

struct pci_controller_info;

struct pci_pbm_info {
	/* PCI controller we sit under. */
	struct pci_controller_info	*parent;

	/* Physical address base of controller registers. */
	unsigned long			controller_regs;

	/* Physical address base of PBM registers. */
	unsigned long			pbm_regs;

	/* Physical address of DMA sync register, if any.  */
	unsigned long			sync_reg;

	/* Opaque 32-bit system bus Port ID. */
	u32				portid;

	/* Opaque 32-bit handle used for hypervisor calls.  */
	u32				devhandle;

	/* Chipset version information. */
	int				chip_type;
#define PBM_CHIP_TYPE_SABRE		1
#define PBM_CHIP_TYPE_PSYCHO		2
#define PBM_CHIP_TYPE_SCHIZO		3
#define PBM_CHIP_TYPE_SCHIZO_PLUS	4
#define PBM_CHIP_TYPE_TOMATILLO		5
	int				chip_version;
	int				chip_revision;

	/* Name used for top-level resources. */
	char				*name;

	/* OBP specific information. */
	struct device_node		*prom_node;
	u64				ino_bitmap;

	/* PBM I/O and Memory space resources. */
	struct resource			io_space;
	struct resource			mem_space;

	/* Base of PCI Config space, can be per-PBM or shared. */
	unsigned long			config_space;

	/* State of 66MHz capabilities on this PBM. */
	int				is_66mhz_capable;
	int				all_devs_66mhz;

#ifdef CONFIG_PCI_MSI
	/* MSI info.  */
	u32				msiq_num;
	u32				msiq_ent_count;
	u32				msiq_first;
	u32				msiq_first_devino;
	u32				msi_num;
	u32				msi_first;
	u32				msi_data_mask;
	u32				msix_data_width;
	u64				msi32_start;
	u64				msi64_start;
	u32				msi32_len;
	u32				msi64_len;
	void				*msi_queues;
	unsigned long			*msi_bitmap;
#endif /* !(CONFIG_PCI_MSI) */

	/* This PBM's streaming buffer. */
	struct strbuf			stc;

	/* IOMMU state, potentially shared by both PBM segments. */
	struct iommu			*iommu;

	/* Now things for the actual PCI bus probes. */
	unsigned int			pci_first_busno;
	unsigned int			pci_last_busno;
	struct pci_bus			*pci_bus;
};

struct pci_controller_info {
	/* List of all PCI controllers. */
	struct pci_controller_info	*next;

	/* Each controller gets a unique index, used mostly for
	 * error logging purposes.
	 */
	int				index;

	/* The PCI bus modules controlled by us. */
	struct pci_pbm_info		pbm_A;
	struct pci_pbm_info		pbm_B;

	/* Operations which are controller specific. */
	void (*scan_bus)(struct pci_controller_info *);

#ifdef CONFIG_PCI_MSI
	int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev,
			     struct msi_desc *entry);
	void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev);
#endif

	/* Now things for the actual PCI bus probes. */
	struct pci_ops			*pci_ops;
};

#endif /* !(__SPARC64_PBM_H) */
<commit_msg>[SPARC64] PCI: Kill PROM_PCIRNG_MAX and PROM_PCIIMAP_MAX.<commit_after>/* pbm.h: UltraSparc PCI controller software state.
 *
 * Copyright (C) 1997, 1998, 1999, 2007 <NAME> (<EMAIL>)
 */

#ifndef __SPARC64_PBM_H
#define __SPARC64_PBM_H

#include <linux/types.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/spinlock.h>
#include <linux/msi.h>

#include <asm/io.h>
#include <asm/page.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/iommu.h>

/* The abstraction used here is that there are PCI controllers,
 * each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules
 * underneath.  Each PCI bus module uses an IOMMU (shared by both
 * PBMs of a controller, or per-PBM), and if a streaming buffer
 * is present, each PCI bus module has it's own. (ie. the IOMMU
 * might be shared between PBMs, the STC is never shared)
 * Furthermore, each PCI bus module controls it's own autonomous
 * PCI bus.
 */

extern void pci_iommu_table_init(struct iommu *iommu, int tsbsize, u32 dma_offset, u32 dma_addr_mask);

#define PCI_STC_FLUSHFLAG_INIT(STC) \
	(*((STC)->strbuf_flushflag) = 0UL)
#define PCI_STC_FLUSHFLAG_SET(STC) \
	(*((STC)->strbuf_flushflag) != 0UL)

struct pci_controller_info;

struct pci_pbm_info {
	/* PCI controller we sit under. */
	struct pci_controller_info	*parent;

	/* Physical address base of controller registers. */
	unsigned long			controller_regs;

	/* Physical address base of PBM registers. */
	unsigned long			pbm_regs;

	/* Physical address of DMA sync register, if any.  */
	unsigned long			sync_reg;

	/* Opaque 32-bit system bus Port ID. */
	u32				portid;

	/* Opaque 32-bit handle used for hypervisor calls.  */
	u32				devhandle;

	/* Chipset version information. */
	int				chip_type;
#define PBM_CHIP_TYPE_SABRE		1
#define PBM_CHIP_TYPE_PSYCHO		2
#define PBM_CHIP_TYPE_SCHIZO		3
#define PBM_CHIP_TYPE_SCHIZO_PLUS	4
#define PBM_CHIP_TYPE_TOMATILLO		5
	int				chip_version;
	int				chip_revision;

	/* Name used for top-level resources. */
	char				*name;

	/* OBP specific information. */
	struct device_node		*prom_node;
	u64				ino_bitmap;

	/* PBM I/O and Memory space resources. */
	struct resource			io_space;
	struct resource			mem_space;

	/* Base of PCI Config space, can be per-PBM or shared. */
	unsigned long			config_space;

	/* State of 66MHz capabilities on this PBM. */
	int				is_66mhz_capable;
	int				all_devs_66mhz;

#ifdef CONFIG_PCI_MSI
	/* MSI info.  */
	u32				msiq_num;
	u32				msiq_ent_count;
	u32				msiq_first;
	u32				msiq_first_devino;
	u32				msi_num;
	u32				msi_first;
	u32				msi_data_mask;
	u32				msix_data_width;
	u64				msi32_start;
	u64				msi64_start;
	u32				msi32_len;
	u32				msi64_len;
	void				*msi_queues;
	unsigned long			*msi_bitmap;
#endif /* !(CONFIG_PCI_MSI) */

	/* This PBM's streaming buffer. */
	struct strbuf			stc;

	/* IOMMU state, potentially shared by both PBM segments. */
	struct iommu			*iommu;

	/* Now things for the actual PCI bus probes. */
	unsigned int			pci_first_busno;
	unsigned int			pci_last_busno;
	struct pci_bus			*pci_bus;
};

struct pci_controller_info {
	/* List of all PCI controllers. */
	struct pci_controller_info	*next;

	/* Each controller gets a unique index, used mostly for
	 * error logging purposes.
	 */
	int				index;

	/* The PCI bus modules controlled by us. */
	struct pci_pbm_info		pbm_A;
	struct pci_pbm_info		pbm_B;

	/* Operations which are controller specific. */
	void (*scan_bus)(struct pci_controller_info *);

#ifdef CONFIG_PCI_MSI
	int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev,
			     struct msi_desc *entry);
	void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev);
#endif

	/* Now things for the actual PCI bus probes. */
	struct pci_ops			*pci_ops;
};

#endif /* !(__SPARC64_PBM_H) */

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