[PARISC] Create shared <asm/ropes.h> header

Pull out struct sba_device and struct lba_device into a
common ropes.h header. Also fold the parisc portion of
iosapic.h into this file. (Then delete the useless portion
of iosapic.h)

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

5 files changed, 153 insertions, 201 deletions

diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 90489ade632..c2949b4367e 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -146,7 +146,7 @@
 #include <asm/superio.h>
 #endif
 
-#include <asm/iosapic.h>
+#include <asm/ropes.h>
 #include "./iosapic_private.h"
 
 #define MODULE_NAME "iosapic"
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index a596dbc804a..98f03686a71 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -46,9 +46,9 @@
 #include <asm/page.h>
 #include <asm/system.h>
 
+#include <asm/ropes.h>
 #include <asm/hardware.h>       /* for register_parisc_driver() stuff */
 #include <asm/parisc-device.h>
-#include <asm/iosapic.h>        /* for iosapic_register() */
 #include <asm/io.h>             /* read/write stuff */
 
 #undef DEBUG_LBA        /* general stuff */
@@ -169,44 +169,6 @@
 #define LBA_PORT_BASE   (PCI_F_EXTEND | 0xfee00000UL)
 static void __iomem *astro_iop_base __read_mostly;
 
-#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);
-}
-
-
-/*
-** 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 */
-};
-
-
 static u32 lba_t32;
 
 /* lba flags */
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 5fbc11e4bc5..12776b7e3a8 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -38,6 +38,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
+#include <asm/ropes.h>
 #include <asm/mckinley.h>       /* for proc_mckinley_root */
 #include <asm/runway.h>         /* for proc_runway_root */
 #include <asm/pdc.h>            /* for PDC_MODEL_* */
@@ -46,11 +47,6 @@
 
 #define MODULE_NAME "SBA"
 
-#ifdef CONFIG_PROC_FS
-/* depends on proc fs support. But costs CPU performance */
-#undef SBA_COLLECT_STATS
-#endif
-
 /*
 ** The number of debug flags is a clue - this code is fragile.
 ** Don't even think about messing with it unless you have
@@ -89,46 +85,13 @@
 #define DBG_RES(x...)
 #endif
 
-#if defined(CONFIG_64BIT)
-/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
-#define ZX1_SUPPORT
-#endif
-
 #define SBA_INLINE      __inline__
 
-
-/*
-** 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 DEFAULT_DMA_HINT_REG    0
 
-#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
-
 #define SBA_FUNC_ID     0x0000  /* function id */
 #define SBA_FCLASS      0x0008  /* function class, bist, header, rev... */
 
-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_FUNC_SIZE 4096   /* SBA configuration function reg set */
 
 #define ASTRO_IOC_OFFSET        (32 * SBA_FUNC_SIZE)
@@ -145,10 +108,6 @@ static inline int IS_PLUTO(struct parisc_device *d) {
 #define IOC_CTRL_D4       (1 << 11) /* Disable 4-byte coalescing */
 #define IOC_CTRL_DD       (1 << 13) /* Disable distr. LMMIO range coalescing */
 
-#define MAX_IOC         2       /* per Ike. Pluto/Astro only have 1. */
-
-#define ROPES_PER_IOC   8       /* per Ike half or Pluto/Astro */
-
 
 /*
 ** Offsets into MBIB (Function 0 on Ike and hopefully Astro)
@@ -196,9 +155,6 @@ static inline int IS_PLUTO(struct parisc_device *d) {
 #define IOC_TCNFG       0x318
 #define IOC_PDIR_BASE   0x320
 
-/* AGP GART driver looks for this */
-#define SBA_IOMMU_COOKIE    0x0000badbadc0ffeeUL
-
 
 /*
 ** IOC supports 4/8/16/64KB page sizes (see TCNFG register)
@@ -228,69 +184,6 @@ static inline int IS_PLUTO(struct parisc_device *d) {
 #define SBA_PERF_CNT2   0x208
 #define SBA_PERF_CNT3   0x210
 
-
-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];
-};
-
-
 static struct sba_device *sba_list;
 
 static unsigned long ioc_needs_fdc = 0;
diff --git a/include/asm-parisc/iosapic.h b/include/asm-parisc/iosapic.h
deleted file mode 100644
index 613390e6805..00000000000
--- a/include/asm-parisc/iosapic.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
-** This file is private to iosapic driver.
-** If stuff needs to be used by another driver, move it to a common file.
-**
-** WARNING: fields most data structures here are ordered to make sure
-**          they pack nicely for 64-bit compilation. (ie sizeof(long) == 8)
-*/
-
-
-/*
-** 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);
-
-
-#ifdef __IA64__
-/*
-** PA: PIB (Processor Interrupt Block) is handled by Runway bus adapter.
-**     and is hardcoded to 0xfeeNNNN0 where NNNN is id_eid field.
-**
-** IA64: PIB is handled by "Local SAPIC" (integrated in the processor).
-*/
-struct local_sapic_info {
-        struct local_sapic_info *lsi_next;      /* point to next CPU info */
-        int                     *lsi_cpu_id;    /* point to logical CPU id */
-        unsigned long           *lsi_id_eid;    /* point to IA-64 CPU id */
-        int                     *lsi_status;    /* point to CPU status   */
-        void                    *lsi_private;   /* point to special info */
-};
-
-/*
-** "root" data structure which ties everything together.
-** Should always be able to start with sapic_root and locate
-** the desired information.
-*/
-struct sapic_info {
-        struct sapic_info       *si_next;       /* info is per cell */
-        int                     si_cellid;      /* cell id */
-        unsigned int            si_status;       /* status  */
-        char                    *si_pib_base;   /* intr blk base address */
-        local_sapic_info_t      *si_local_info;
-        io_sapic_info_t         *si_io_info;
-        extint_info_t           *si_extint_info;/* External Intr info      */
-};
-
-#endif /* IA64 */
-
diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h
new file mode 100644
index 00000000000..413dfcca15c
--- /dev/null
+++ b/include/asm-parisc/ropes.h
@@ -0,0 +1,150 @@
+#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_*/