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-rw-r--r--include/asm-ia64/hw_irq.h15
-rw-r--r--include/asm-ia64/machvec.h7
-rw-r--r--include/asm-ia64/machvec_sn2.h7
-rw-r--r--include/asm-ia64/msi.h12
-rw-r--r--include/asm-ia64/sn/intr.h8
-rw-r--r--include/asm-ia64/sn/pcibr_provider.h5
-rw-r--r--include/asm-ia64/sn/pcibus_provider_defs.h17
-rw-r--r--include/asm-ia64/sn/tiocp.h3
8 files changed, 66 insertions, 8 deletions
diff --git a/include/asm-ia64/hw_irq.h b/include/asm-ia64/hw_irq.h
index 0cf119b42f7..ea8b8c407ab 100644
--- a/include/asm-ia64/hw_irq.h
+++ b/include/asm-ia64/hw_irq.h
@@ -47,9 +47,19 @@ typedef u8 ia64_vector;
#define IA64_CMC_VECTOR 0x1f /* corrected machine-check interrupt vector */
/*
* Vectors 0x20-0x2f are reserved for legacy ISA IRQs.
+ * Use vectors 0x30-0xe7 as the default device vector range for ia64.
+ * Platforms may choose to reduce this range in platform_irq_setup, but the
+ * platform range must fall within
+ * [IA64_DEF_FIRST_DEVICE_VECTOR..IA64_DEF_LAST_DEVICE_VECTOR]
*/
-#define IA64_FIRST_DEVICE_VECTOR 0x30
-#define IA64_LAST_DEVICE_VECTOR 0xe7
+extern int ia64_first_device_vector;
+extern int ia64_last_device_vector;
+
+#define IA64_DEF_FIRST_DEVICE_VECTOR 0x30
+#define IA64_DEF_LAST_DEVICE_VECTOR 0xe7
+#define IA64_FIRST_DEVICE_VECTOR ia64_first_device_vector
+#define IA64_LAST_DEVICE_VECTOR ia64_last_device_vector
+#define IA64_MAX_DEVICE_VECTORS (IA64_DEF_LAST_DEVICE_VECTOR - IA64_DEF_FIRST_DEVICE_VECTOR + 1)
#define IA64_NUM_DEVICE_VECTORS (IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1)
#define IA64_MCA_RENDEZ_VECTOR 0xe8 /* MCA rendez interrupt */
@@ -83,6 +93,7 @@ extern struct hw_interrupt_type irq_type_ia64_lsapic; /* CPU-internal interrupt
extern int assign_irq_vector (int irq); /* allocate a free vector */
extern void free_irq_vector (int vector);
+extern int reserve_irq_vector (int vector);
extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
extern void register_percpu_irq (ia64_vector vec, struct irqaction *action);
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 0df72a134c8..15b545a897a 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -75,6 +75,7 @@ typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
+typedef int ia64_mv_msi_init_t (void);
static inline void
machvec_noop (void)
@@ -153,6 +154,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
# define platform_readl_relaxed ia64_mv.readl_relaxed
# define platform_readq_relaxed ia64_mv.readq_relaxed
# define platform_migrate ia64_mv.migrate
+# define platform_msi_init ia64_mv.msi_init
# endif
/* __attribute__((__aligned__(16))) is required to make size of the
@@ -202,6 +204,7 @@ struct ia64_machine_vector {
ia64_mv_readl_relaxed_t *readl_relaxed;
ia64_mv_readq_relaxed_t *readq_relaxed;
ia64_mv_migrate_t *migrate;
+ ia64_mv_msi_init_t *msi_init;
} __attribute__((__aligned__(16))); /* align attrib? see above comment */
#define MACHVEC_INIT(name) \
@@ -247,6 +250,7 @@ struct ia64_machine_vector {
platform_readl_relaxed, \
platform_readq_relaxed, \
platform_migrate, \
+ platform_msi_init, \
}
extern struct ia64_machine_vector ia64_mv;
@@ -400,5 +404,8 @@ extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size
#ifndef platform_migrate
# define platform_migrate machvec_noop_task
#endif
+#ifndef platform_msi_init
+# define platform_msi_init ((ia64_mv_msi_init_t*)NULL)
+#endif
#endif /* _ASM_IA64_MACHVEC_H */
diff --git a/include/asm-ia64/machvec_sn2.h b/include/asm-ia64/machvec_sn2.h
index da1d43755af..cf724dc79d8 100644
--- a/include/asm-ia64/machvec_sn2.h
+++ b/include/asm-ia64/machvec_sn2.h
@@ -67,6 +67,8 @@ extern ia64_mv_dma_sync_sg_for_device sn_dma_sync_sg_for_device;
extern ia64_mv_dma_mapping_error sn_dma_mapping_error;
extern ia64_mv_dma_supported sn_dma_supported;
extern ia64_mv_migrate_t sn_migrate;
+extern ia64_mv_msi_init_t sn_msi_init;
+
/*
* This stuff has dual use!
@@ -117,6 +119,11 @@ extern ia64_mv_migrate_t sn_migrate;
#define platform_dma_mapping_error sn_dma_mapping_error
#define platform_dma_supported sn_dma_supported
#define platform_migrate sn_migrate
+#ifdef CONFIG_PCI_MSI
+#define platform_msi_init sn_msi_init
+#else
+#define platform_msi_init ((ia64_mv_msi_init_t*)NULL)
+#endif
#include <asm/sn/io.h>
diff --git a/include/asm-ia64/msi.h b/include/asm-ia64/msi.h
index 97890f7762b..bb92b0dbde2 100644
--- a/include/asm-ia64/msi.h
+++ b/include/asm-ia64/msi.h
@@ -14,4 +14,16 @@ static inline void set_intr_gate (int nr, void *func) {}
#define ack_APIC_irq ia64_eoi
#define MSI_TARGET_CPU_SHIFT 4
+extern struct msi_ops msi_apic_ops;
+
+static inline int msi_arch_init(void)
+{
+ if (platform_msi_init)
+ return platform_msi_init();
+
+ /* default ops for most ia64 platforms */
+ msi_register(&msi_apic_ops);
+ return 0;
+}
+
#endif /* ASM_MSI_H */
diff --git a/include/asm-ia64/sn/intr.h b/include/asm-ia64/sn/intr.h
index 60a51a406ee..12b54ddb06b 100644
--- a/include/asm-ia64/sn/intr.h
+++ b/include/asm-ia64/sn/intr.h
@@ -10,6 +10,7 @@
#define _ASM_IA64_SN_INTR_H
#include <linux/rcupdate.h>
+#include <asm/sn/types.h>
#define SGI_UART_VECTOR 0xe9
@@ -40,6 +41,7 @@ struct sn_irq_info {
int irq_cpuid; /* kernel logical cpuid */
int irq_irq; /* the IRQ number */
int irq_int_bit; /* Bridge interrupt pin */
+ /* <0 means MSI */
u64 irq_xtalkaddr; /* xtalkaddr IRQ is sent to */
int irq_bridge_type;/* pciio asic type (pciio.h) */
void *irq_bridge; /* bridge generating irq */
@@ -53,6 +55,12 @@ struct sn_irq_info {
};
extern void sn_send_IPI_phys(int, long, int, int);
+extern u64 sn_intr_alloc(nasid_t, int,
+ struct sn_irq_info *,
+ int, nasid_t, int);
+extern void sn_intr_free(nasid_t, int, struct sn_irq_info *);
+extern struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *, nasid_t, int);
+extern struct list_head **sn_irq_lh;
#define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector)
diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h
index 51260ab70d9..e3b0c3fe5ee 100644
--- a/include/asm-ia64/sn/pcibr_provider.h
+++ b/include/asm-ia64/sn/pcibr_provider.h
@@ -55,6 +55,7 @@
#define PCI32_ATE_V (0x1 << 0)
#define PCI32_ATE_CO (0x1 << 1)
#define PCI32_ATE_PREC (0x1 << 2)
+#define PCI32_ATE_MSI (0x1 << 2)
#define PCI32_ATE_PREF (0x1 << 3)
#define PCI32_ATE_BAR (0x1 << 4)
#define PCI32_ATE_ADDR_SHFT 12
@@ -117,8 +118,8 @@ struct pcibus_info {
extern int pcibr_init_provider(void);
extern void *pcibr_bus_fixup(struct pcibus_bussoft *, struct pci_controller *);
-extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t);
-extern dma_addr_t pcibr_dma_map_consistent(struct pci_dev *, unsigned long, size_t);
+extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t, int type);
+extern dma_addr_t pcibr_dma_map_consistent(struct pci_dev *, unsigned long, size_t, int type);
extern void pcibr_dma_unmap(struct pci_dev *, dma_addr_t, int);
/*
diff --git a/include/asm-ia64/sn/pcibus_provider_defs.h b/include/asm-ia64/sn/pcibus_provider_defs.h
index ce3f6c32824..8f7c83d0f6d 100644
--- a/include/asm-ia64/sn/pcibus_provider_defs.h
+++ b/include/asm-ia64/sn/pcibus_provider_defs.h
@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
#define _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H
@@ -45,13 +45,24 @@ struct pci_controller;
*/
struct sn_pcibus_provider {
- dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t);
- dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t);
+ dma_addr_t (*dma_map)(struct pci_dev *, unsigned long, size_t, int flags);
+ dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t, int flags);
void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
void * (*bus_fixup)(struct pcibus_bussoft *, struct pci_controller *);
void (*force_interrupt)(struct sn_irq_info *);
void (*target_interrupt)(struct sn_irq_info *);
};
+/*
+ * Flags used by the map interfaces
+ * bits 3:0 specifies format of passed in address
+ * bit 4 specifies that address is to be used for MSI
+ */
+
+#define SN_DMA_ADDRTYPE(x) ((x) & 0xf)
+#define SN_DMA_ADDR_PHYS 1 /* address is an xio address. */
+#define SN_DMA_ADDR_XIO 2 /* address is phys memory */
+#define SN_DMA_MSI 0x10 /* Bus address is to be used for MSI */
+
extern struct sn_pcibus_provider *sn_pci_provider[];
#endif /* _ASM_IA64_SN_PCI_PCIBUS_PROVIDER_H */
diff --git a/include/asm-ia64/sn/tiocp.h b/include/asm-ia64/sn/tiocp.h
index f47c08ab483..e8ad0bb5b6c 100644
--- a/include/asm-ia64/sn/tiocp.h
+++ b/include/asm-ia64/sn/tiocp.h
@@ -3,13 +3,14 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2003-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2003-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_PCI_TIOCP_H
#define _ASM_IA64_SN_PCI_TIOCP_H
#define TIOCP_HOST_INTR_ADDR 0x003FFFFFFFFFFFFFUL
#define TIOCP_PCI64_CMDTYPE_MEM (0x1ull << 60)
+#define TIOCP_PCI64_CMDTYPE_MSI (0x3ull << 60)
/*****************************************************************************
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-15 16:52:33 +0000