Libpciaccess on Solaris Initial integration

Libpciaccess on Solaris Initial integration. It depends on devfs to access
pci configuration space, also xsvc is used for memory map.

1 files changed, 216 insertions, 0 deletions

diff --git a/src/pci_tools.h b/src/pci_tools.h
new file mode 100644
index 0000000..0305923
--- /dev/null
+++ b/src/pci_tools.h
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2007, Sun Microsystems, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _SYS_PCI_TOOLS_H
+#define	_SYS_PCI_TOOLS_H
+
+#pragma ident	"@(#)pci_tools.h	1.4	05/09/28 SMI"
+
+#include <sys/modctl.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/*
+ * Versioning. Have different versions for userland program and drivers, so
+ * they can all stay in sync with each other.
+ */
+#define	PCITOOL_USER_VERSION	1
+#define	PCITOOL_DRVR_VERSION	1
+
+/* File suffixes for nexus pcitool nodes. */
+#define	PCI_MINOR_REG	"reg"
+#define	PCI_MINOR_INTR	"intr"
+
+/*
+ * Ioctls for PCI tools.
+ */
+#define	PCITOOL_IOC		(('P' << 24) | ('C' << 16) | ('T' << 8))
+
+/* Read/write a device on a PCI bus, in physical space. */
+#define	PCITOOL_DEVICE_GET_REG	(PCITOOL_IOC | 1)
+#define	PCITOOL_DEVICE_SET_REG	(PCITOOL_IOC | 2)
+
+/* Read/write the PCI nexus bridge, in physical space. */
+#define	PCITOOL_NEXUS_GET_REG	(PCITOOL_IOC | 3)
+#define	PCITOOL_NEXUS_SET_REG	(PCITOOL_IOC | 4)
+
+/* Get/set interrupt-CPU mapping for PCI devices. */
+#define	PCITOOL_DEVICE_GET_INTR	(PCITOOL_IOC | 5)
+#define	PCITOOL_DEVICE_SET_INTR	(PCITOOL_IOC | 6)
+
+/* Return the number of supported interrupts on a PCI bus. */
+#define	PCITOOL_DEVICE_NUM_INTR	(PCITOOL_IOC | 7)
+
+
+/*
+ * This file contains data structures for the pci tool.
+ */
+#define	PCITOOL_CONFIG	0
+#define	PCITOOL_BAR0	1
+#define	PCITOOL_BAR1	2
+#define	PCITOOL_BAR2	3
+#define	PCITOOL_BAR3	4
+#define	PCITOOL_BAR4	5
+#define	PCITOOL_BAR5	6
+#define	PCITOOL_ROM	7
+
+/*
+ * Pass this through barnum to signal to use a base addr instead.
+ * This is for platforms which do not have a way to automatically map
+ * a selected bank to a base addr.
+ */
+#define	PCITOOL_BASE	0xFF
+
+/*
+ * BAR corresponding to space desired.
+ */
+typedef enum {
+    config = PCITOOL_CONFIG,
+    bar0 = PCITOOL_BAR0,
+    bar1 = PCITOOL_BAR1,
+    bar2 = PCITOOL_BAR2,
+    bar3 = PCITOOL_BAR3,
+    bar4 = PCITOOL_BAR4,
+    bar5 = PCITOOL_BAR5,
+    rom = PCITOOL_ROM
+} pcitool_bars_t;
+
+
+/*
+ * PCITOOL error numbers.
+ */
+
+typedef enum {
+	PCITOOL_SUCCESS = 0x0,
+	PCITOOL_INVALID_CPUID,
+	PCITOOL_INVALID_INO,
+	PCITOOL_PENDING_INTRTIMEOUT,
+	PCITOOL_REGPROP_NOTWELLFORMED,
+	PCITOOL_INVALID_ADDRESS,
+	PCITOOL_NOT_ALIGNED,
+	PCITOOL_OUT_OF_RANGE,
+	PCITOOL_END_OF_RANGE,
+	PCITOOL_ROM_DISABLED,
+	PCITOOL_ROM_WRITE,
+	PCITOOL_IO_ERROR,
+	PCITOOL_INVALID_SIZE
+} pcitool_errno_t;
+
+
+/*
+ * PCITOOL_DEVICE_SET_INTR ioctl data structure to re-assign the interrupts.
+ */
+typedef struct pcitool_intr_set {
+	uint16_t user_version;	/* Userland program version - to krnl */
+	uint16_t drvr_version;	/* Driver version - from kernel */
+	uint32_t ino;		/* interrupt to set - to kernel */
+	uint32_t cpu_id;	/* to: cpu to set / from: old cpu returned */
+	pcitool_errno_t status;	/* from kernel */
+} pcitool_intr_set_t;
+
+
+/*
+ * PCITOOL_DEVICE_GET_INTR ioctl data structure to dump out the
+ * ino mapping information.
+ */
+
+typedef struct pcitool_intr_dev {
+	uint32_t	dev_inst;	/* device instance - from kernel */
+	char		driver_name[MAXMODCONFNAME];	/* from kernel */
+	char		path[MAXPATHLEN]; /* device path - from kernel */
+} pcitool_intr_dev_t;
+
+
+typedef struct pcitool_intr_get {
+	uint16_t user_version;		/* Userland program version - to krnl */
+	uint16_t drvr_version;		/* Driver version - from kernel */
+	uint32_t	ino;		/* interrupt number - to kernel */
+	uint8_t		num_devs_ret;	/* room for this # of devs to be */
+					/* returned - to kernel */
+					/* # devs returned - from kernel */
+	uint8_t		num_devs;	/* # devs on this ino - from kernel */
+					/* intrs enabled for devs if > 0 */
+	uint8_t		ctlr;		/* controller number - from kernel */
+	uint32_t	cpu_id;		/* cpu of interrupt - from kernel */
+	pcitool_errno_t status;		/* returned status - from kernel */
+	pcitool_intr_dev_t	dev[1];	/* start of variable device list */
+					/* from kernel */
+} pcitool_intr_get_t;
+
+/*
+ * Get the size needed to return the number of devices wanted.
+ * Can't say num_devs - 1 as num_devs may be unsigned.
+ */
+#define	PCITOOL_IGET_SIZE(num_devs) \
+	(sizeof (pcitool_intr_get_t) - \
+	sizeof (pcitool_intr_dev_t) + \
+	(num_devs * sizeof (pcitool_intr_dev_t)))
+
+/*
+ * Size and endian fields for acc_attr bitmask.
+ */
+#define	PCITOOL_ACC_ATTR_SIZE_MASK	0x3
+#define	PCITOOL_ACC_ATTR_SIZE_1		0x0
+#define	PCITOOL_ACC_ATTR_SIZE_2		0x1
+#define	PCITOOL_ACC_ATTR_SIZE_4		0x2
+#define	PCITOOL_ACC_ATTR_SIZE_8		0x3
+#define	PCITOOL_ACC_ATTR_SIZE(x)	(1 << (x & PCITOOL_ACC_ATTR_SIZE_MASK))
+
+#define	PCITOOL_ACC_ATTR_ENDN_MASK	0x100
+#define	PCITOOL_ACC_ATTR_ENDN_LTL	0x0
+#define	PCITOOL_ACC_ATTR_ENDN_BIG	0x100
+#define	PCITOOL_ACC_IS_BIG_ENDIAN(x)	(x & PCITOOL_ACC_ATTR_ENDN_BIG)
+
+/*
+ * Data stucture to read and write to pci device registers.
+ * This is the argument to the following ioctls:
+ *	PCITOOL_DEVICE_SET/GET_REG
+ *	PCITOOL_NEXUS_SET/GET_REG
+ */
+typedef struct pcitool_reg {
+	uint16_t	user_version;	/* Userland program version - to krnl */
+	uint16_t	drvr_version;	/* Driver version - from kernel */
+	uint8_t		bus_no;		/* pci bus - to kernel */
+	uint8_t		dev_no;		/* pci dev - to kernel */
+	uint8_t		func_no;	/* pci function - to kernel */
+	uint8_t		barnum;		/* bank (DEVCTL_NEXUS_SET/GET_REG) or */
+					/*   BAR from pcitools_bar_t */
+					/*   (DEVCTL_DEVICE_SET/GET_REG) */
+					/*   to kernel */
+	uint64_t	offset;		/* to kernel */
+	uint32_t	acc_attr;	/* access attributes - to kernel */
+	uint32_t	padding1;	/* 8-byte align next uint64_t for X86 */
+	uint64_t	data;		/* to/from kernel, 64-bit alignment */
+	uint32_t	status;		/* from kernel */
+	uint32_t	padding2;	/* 8-byte align next uint64_t for X86 */
+	uint64_t	phys_addr;	/* from kernel, 64-bit alignment */
+} pcitool_reg_t;
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _SYS_PCI_TOOLS_H */