diff options
Diffstat (limited to 'arch/s390/include/asm/pci.h')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index a6175ad0c42f..05333b7f0469 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -9,6 +9,7 @@ #include <asm-generic/pci.h> #include <asm-generic/pci-dma-compat.h> #include <asm/pci_clp.h> +#include <asm/pci_debug.h> #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM 0x10000000 @@ -33,6 +34,25 @@ int pci_proc_domain(struct pci_bus *); #define ZPCI_FC_BLOCKED 0x20 #define ZPCI_FC_DMA_ENABLED 0x10 +struct zpci_fmb { + u32 format : 8; + u32 dma_valid : 1; + u32 : 23; + u32 samples; + u64 last_update; + /* hardware counters */ + u64 ld_ops; + u64 st_ops; + u64 stb_ops; + u64 rpcit_ops; + u64 dma_rbytes; + u64 dma_wbytes; + /* software counters */ + atomic64_t allocated_pages; + atomic64_t mapped_pages; + atomic64_t unmapped_pages; +} __packed __aligned(16); + struct msi_map { unsigned long irq; struct msi_desc *msi; @@ -92,7 +112,15 @@ struct zpci_dev { u64 end_dma; /* End of available DMA addresses */ u64 dma_mask; /* DMA address space mask */ + /* Function measurement block */ + struct zpci_fmb *fmb; + u16 fmb_update; /* update interval */ + enum pci_bus_speed max_bus_speed; + + struct dentry *debugfs_dev; + struct dentry *debugfs_perf; + struct dentry *debugfs_debug; }; struct pci_hp_callback_ops { @@ -132,9 +160,14 @@ void zpci_teardown_msi_irq(struct zpci_dev *, struct msi_desc *); int zpci_msihash_init(void); void zpci_msihash_exit(void); +#ifdef CONFIG_PCI /* Error handling and recovery */ void zpci_event_error(void *); void zpci_event_availability(void *); +#else /* CONFIG_PCI */ +static inline void zpci_event_error(void *e) {} +static inline void zpci_event_availability(void *e) {} +#endif /* CONFIG_PCI */ /* Helpers */ struct zpci_dev *get_zdev(struct pci_dev *); @@ -152,7 +185,20 @@ void zpci_dma_exit(void); /* Hotplug */ extern struct mutex zpci_list_lock; extern struct list_head zpci_list; -extern struct pci_hp_callback_ops hotplug_ops; -extern unsigned int pci_probe; +extern unsigned int s390_pci_probe; + +void zpci_register_hp_ops(struct pci_hp_callback_ops *); +void zpci_deregister_hp_ops(void); + +/* FMB */ +int zpci_fmb_enable_device(struct zpci_dev *); +int zpci_fmb_disable_device(struct zpci_dev *); + +/* Debug */ +int zpci_debug_init(void); +void zpci_debug_exit(void); +void zpci_debug_init_device(struct zpci_dev *); +void zpci_debug_exit_device(struct zpci_dev *); +void zpci_debug_info(struct zpci_dev *, struct seq_file *); #endif |