| #ifndef _ASM_PARISC_ROPES_H_ |
| #define _ASM_PARISC_ROPES_H_ |
| |
| #ifdef CONFIG_64BIT |
| /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */ |
| #define ZX1_SUPPORT |
| #endif |
| |
| #ifdef CONFIG_PROC_FS |
| /* depends on proc fs support. But costs CPU performance */ |
| #undef SBA_COLLECT_STATS |
| #endif |
| |
| /* |
| ** The number of pdir entries to "free" before issueing |
| ** a read to PCOM register to flush out PCOM writes. |
| ** Interacts with allocation granularity (ie 4 or 8 entries |
| ** allocated and free'd/purged at a time might make this |
| ** less interesting). |
| */ |
| #define DELAYED_RESOURCE_CNT 16 |
| |
| #define MAX_IOC 2 /* per Ike. Pluto/Astro only have 1. */ |
| #define ROPES_PER_IOC 8 /* per Ike half or Pluto/Astro */ |
| |
| struct ioc { |
| void __iomem *ioc_hpa; /* I/O MMU base address */ |
| char *res_map; /* resource map, bit == pdir entry */ |
| u64 *pdir_base; /* physical base address */ |
| unsigned long ibase; /* pdir IOV Space base - shared w/lba_pci */ |
| unsigned long imask; /* pdir IOV Space mask - shared w/lba_pci */ |
| #ifdef ZX1_SUPPORT |
| unsigned long iovp_mask; /* help convert IOVA to IOVP */ |
| #endif |
| unsigned long *res_hint; /* next avail IOVP - circular search */ |
| spinlock_t res_lock; |
| unsigned int res_bitshift; /* from the LEFT! */ |
| unsigned int res_size; /* size of resource map in bytes */ |
| #ifdef SBA_HINT_SUPPORT |
| /* FIXME : DMA HINTs not used */ |
| unsigned long hint_mask_pdir; /* bits used for DMA hints */ |
| unsigned int hint_shift_pdir; |
| #endif |
| #if DELAYED_RESOURCE_CNT > 0 |
| int saved_cnt; |
| struct sba_dma_pair { |
| dma_addr_t iova; |
| size_t size; |
| } saved[DELAYED_RESOURCE_CNT]; |
| #endif |
| |
| #ifdef SBA_COLLECT_STATS |
| #define SBA_SEARCH_SAMPLE 0x100 |
| unsigned long avg_search[SBA_SEARCH_SAMPLE]; |
| unsigned long avg_idx; /* current index into avg_search */ |
| unsigned long used_pages; |
| unsigned long msingle_calls; |
| unsigned long msingle_pages; |
| unsigned long msg_calls; |
| unsigned long msg_pages; |
| unsigned long usingle_calls; |
| unsigned long usingle_pages; |
| unsigned long usg_calls; |
| unsigned long usg_pages; |
| #endif |
| /* STUFF We don't need in performance path */ |
| unsigned int pdir_size; /* in bytes, determined by IOV Space size */ |
| }; |
| |
| struct sba_device { |
| struct sba_device *next; /* list of SBA's in system */ |
| struct parisc_device *dev; /* dev found in bus walk */ |
| const char *name; |
| void __iomem *sba_hpa; /* base address */ |
| spinlock_t sba_lock; |
| unsigned int flags; /* state/functionality enabled */ |
| unsigned int hw_rev; /* HW revision of chip */ |
| |
| struct resource chip_resv; /* MMIO reserved for chip */ |
| struct resource iommu_resv; /* MMIO reserved for iommu */ |
| |
| unsigned int num_ioc; /* number of on-board IOC's */ |
| struct ioc ioc[MAX_IOC]; |
| }; |
| |
| #define ASTRO_RUNWAY_PORT 0x582 |
| #define IKE_MERCED_PORT 0x803 |
| #define REO_MERCED_PORT 0x804 |
| #define REOG_MERCED_PORT 0x805 |
| #define PLUTO_MCKINLEY_PORT 0x880 |
| |
| static inline int IS_ASTRO(struct parisc_device *d) { |
| return d->id.hversion == ASTRO_RUNWAY_PORT; |
| } |
| |
| static inline int IS_IKE(struct parisc_device *d) { |
| return d->id.hversion == IKE_MERCED_PORT; |
| } |
| |
| static inline int IS_PLUTO(struct parisc_device *d) { |
| return d->id.hversion == PLUTO_MCKINLEY_PORT; |
| } |
| |
| #define SBA_IOMMU_COOKIE 0x0000badbadc0ffeeUL |
| |
| /* |
| ** lba_device: Per instance Elroy data structure |
| */ |
| struct lba_device { |
| struct pci_hba_data hba; |
| |
| spinlock_t lba_lock; |
| void *iosapic_obj; |
| |
| #ifdef CONFIG_64BIT |
| void __iomem *iop_base; /* PA_VIEW - for IO port accessor funcs */ |
| #endif |
| |
| int flags; /* state/functionality enabled */ |
| int hw_rev; /* HW revision of chip */ |
| }; |
| |
| #define ELROY_HVERS 0x782 |
| #define MERCURY_HVERS 0x783 |
| #define QUICKSILVER_HVERS 0x784 |
| |
| static inline int IS_ELROY(struct parisc_device *d) { |
| return (d->id.hversion == ELROY_HVERS); |
| } |
| |
| static inline int IS_MERCURY(struct parisc_device *d) { |
| return (d->id.hversion == MERCURY_HVERS); |
| } |
| |
| static inline int IS_QUICKSILVER(struct parisc_device *d) { |
| return (d->id.hversion == QUICKSILVER_HVERS); |
| } |
| |
| /* |
| ** I/O SAPIC init function |
| ** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC. |
| ** Call setup as part of per instance initialization. |
| ** (ie *not* init_module() function unless only one is present.) |
| ** fixup_irq is to initialize PCI IRQ line support and |
| ** virtualize pcidev->irq value. To be called by pci_fixup_bus(). |
| */ |
| extern void *iosapic_register(unsigned long hpa); |
| extern int iosapic_fixup_irq(void *obj, struct pci_dev *pcidev); |
| |
| #endif /*_ASM_PARISC_ROPES_H_*/ |