usb_get_addr(9f)

1usb_get_addr(9F)         Kernel Functions for Drivers         usb_get_addr(9F)
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NAME

6       usb_get_addr - Retrieve device USB address
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SYNOPSIS

9       #include <sys/usb/usba.h>
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11       int usb_get_addr(dev_info_t *dip);
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INTERFACE LEVEL

15       Solaris DDI specific (Solaris DDI)
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PARAMETERS

18       dip    Pointer to the device's dev_info structure.
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DESCRIPTION

22       The  usb_get_addr()  function  returns  the current USB bus address for
23       debugging  purposes. The returned address is unique for a specific  USB
24       bus,  and  may  be replicated if multiple host controller instances are
25       present on the system.
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RETURN VALUES

28       On success: USB device address.
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31       On failure: returns 0. Fails if dip is NULL.
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CONTEXT

34       May be called from user, kernel or interrupt context.
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EXAMPLES

37         int usb_addr;
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39         usb_addr = usb_get_addr(dip);
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ATTRIBUTES

43       See attributes(5) for descriptions of the following attributes:
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48       ┌─────────────────────────────┬─────────────────────────────┐
49       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
50       ├─────────────────────────────┼─────────────────────────────┤
51       │Architecture                 │PCI-based systems            │
52       ├─────────────────────────────┼─────────────────────────────┤
53       │Interface stability          │Committed                    │
54       ├─────────────────────────────┼─────────────────────────────┤
55       │Availability                 │SUNWusb                      │
56       └─────────────────────────────┴─────────────────────────────┘
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