ddi_rep_putw(9f)

1ddi_rep_put8(9F)         Kernel Functions for Drivers         ddi_rep_put8(9F)
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NAME

6       ddi_rep_put8,      ddi_rep_put16,     ddi_rep_put32,     ddi_rep_put64,
7       ddi_rep_putb, ddi_rep_putw, ddi_rep_putl, ddi_rep_putll - write data to
8       the  mapped  memory  address,  device  register or allocated DMA memory
9       address
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SYNOPSIS

12       #include <sys/ddi.h>
13       #include <sys/sunddi.h>
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17       void ddi_rep_put8(ddi_acc_handle_t handle, uint8_t *host_addr,
18            uint8_t *dev_addr, size_t repcount, uint_t flags);
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21       void ddi_rep_put16(ddi_acc_handle_t handle, uint16_t *host_addr,
22            uint16_t *dev_addr, size_t repcount, uint_t flags);
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25       void ddi_rep_put32(ddi_acc_handle_t handle, uint32_t *host_addr,
26            uint32_t *dev_addr, size_t repcount, uint_t flags);
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29       void ddi_rep_put64(ddi_acc_handle_t handle, uint64_t *host_addr,
30            uint64_t *dev_addr,size_t repcount, uint_t flags);
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INTERFACE LEVEL

34       Solaris DDI specific (Solaris DDI). The ddi_rep_putb(), ddi_rep_putl(),
35       ddi_rep_putll(),   and   ddi_rep_putw()  functions  are  obsolete.  The
36       ddi_rep_put8() function replaces  ddi_rep_putb().  The  ddi_rep_put32()
37       function replaces ddi_rep_putl(). The ddi_rep_put64() function replaces
38       ddi_rep_putll(). The ddi_rep_put16() function replaces ddi_rep_putw().
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PARAMETERS

41       handle       The data access handle returned from setup calls, such  as
42                    ddi_regs_map_setup(9F).
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45       host_addr    Base host address.
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48       dev_addr     Base device address.
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51       repcount     Number of data accesses to perform.
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54       flags        Device address flags:
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56                    DDI_DEV_AUTOINCR       Automatically  increment the device
57                                           address,   dev_addr,  during   data
58                                           accesses.
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61                    DDI_DEV_NO_AUTOINCR    Do  not advance the device address,
62                                           dev_addr, during data accesses.
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DESCRIPTION

67       These routines generate multiple writes to the mapped memory or  device
68       register.  repcount data is copied from the host address, host_addr, to
69       the device address, dev_addr. For each input datum, the ddi_rep_put8(),
70       ddi_rep_put16(), ddi_rep_put32(), and ddi_rep_put64() functions write 8
71       bits, 16 bits, 32 bits, and 64 bits  of  data,  respectively,   to  the
72       device address, dev_addr. dev_addr and host_addr must be aligned to the
73       datum boundary described by the function.
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76       Each individual datum will automatically be translated  to  maintain  a
77       consistent  view  between  the host and the device based on the encoded
78       information in the data access handle.   The  translation  may  involve
79       byte-swapping if the host and the device have incompatible endian char‐
80       acteristics.
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83       When the flags argument is set  to  DDI_DEV_AUTOINCR,  these  functions
84       treat  the device address, dev_addr, as a memory buffer location on the
85       device and increment its address on the next input datum. However, when
86       the  flags  argument  is  set  to  DDI_DEV_NO_AUTOINCR, the same device
87       address will be used for every datum access. For example, this flag may
88       be useful when writing to a data register.
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CONTEXT

91       These functions can be called from user, kernel, or interrupt context.
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ATTRIBUTES

94       See attributes(5) for descriptions of the following attributes:
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99       ┌─────────────────────────────┬─────────────────────────────┐
100       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
101       ├─────────────────────────────┼─────────────────────────────┤
102       │Interface Stability          │ddi_rep_putb(),              │
103       │                             │ddi_rep_putl(),              │
104       │                             │ddi_rep_putll(),        and  │
105       │                             │ddi_rep_putw() are Obsolete  │
106       │                             │ddi_rep_put8(),              │
107       │                             │ddi_rep_put16(),             │
108       │                             │ddi_rep_put32(),             │
109       │                             │ddi_rep_put64() are Commit‐  │
110       │                             │ted                          │
111       └─────────────────────────────┴─────────────────────────────┘
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