Programming

#include <stdio.h>
#include <sys/dditypes.h>
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>

int main()
{
  dev_info_t *dip;
  uint_t     rnumber;
  ushort_t  *dev_addr;
  offset_t   offset;
  offset_t   len;
  ushort_t   dev_command;
  ddi_device_acc_attr_t dev_attr;
  ddi_acc_handle_t handle;
  dev_attr.devacc_attr_version = DDI_DEVICE_ATTR_V0;
  dev_attr.devacc_attr_endian_flags = DDI_STRUCTURE_LE_ACC;
  dev_attr.devacc_attr_dataorder = DDI_STRICTORDER_ACC;

  return 0;
}

ddiSystemcall.c: In function `main':
ddiSystemcall.c:15: error: `ddi_device_acc_attr_t' undeclared (first use in this function)
ddiSystemcall.c:15: error: (Each undeclared identifier is reported only once
ddiSystemcall.c:15: error: for each function it appears in.)
ddiSystemcall.c:15: error: syntax error before "dev_attr"
ddiSystemcall.c:16: error: `ddi_acc_handle_t' undeclared (first use in this function)
ddiSystemcall.c:17: error: `dev_attr' undeclared (first use in this function)
ddiSystemcall.c:17: error: `DDI_DEVICE_ATTR_V0' undeclared (first use in this function)
ddiSystemcall.c:18: error: `DDI_STRUCTURE_LE_ACC' undeclared (first use in this function)
ddiSystemcall.c:19: error: `DDI_STRICTORDER_ACC' undeclared (first use in this function)

sample.c: In function `main':
sample.c:25: error: storage size of 'dev_attr' isn't known
sample.c:26: error: `ddi_acc_handle_t' undeclared (first use in this function)
sample.c:26: error: (Each undeclared identifier is reported only once
sample.c:26: error: for each function it appears in.)
sample.c:26: error: syntax error before "handle"
sample.c:27: error: `DDI_DEVICE_ATTR_V0' undeclared (first use in this function)
sample.c:28: error: `DDI_STRUCTURE_LE_ACC' undeclared (first use in this function)
sample.c:29: error: `DDI_STRICTORDER_ACC' undeclared (first use in this function)

typedef struct ddi_device_acc_attr {
  ushort_t devacc_attr_version;
  uchar_t devacc_attr_endian_flags;
  uchar_t devacc_attr_dataorder;
  uchar_t devacc_attr_access;   /* access error protection */
} ddi_device_acc_attr_t;

#include <sys/dditypes.h>
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>

#define CONFIG_VENDOR_ID_OFFSET 0x0
#define CONFIG_DEVICE_ID_OFFSET 0x2
#define CONFIG_CLASS_CODE_OFFSET 0x8
#define CONFIG_BASE_ADDR_2_OFFSET 0x18
#define CONFIG_REGS_SIZE 0x40

static struct ddi_device_acc_attr endian_attr = {
  DDI_DEVICE_ATTR_V0,
  DDI_STRUCTURE_LE_ACC,
  DDI_STRICTORDER_ACC
};

xxx_map_regs(dev_info_t *dip) {
  caddr_t configp; /* pointer to configuration space */
  caddr_t mem_reg1; /* pointer to memory space 1 */
  size_t mem_size; /* size of memory space as shown in "reg" */
  ddi_acc_handle_t handle0; /* Access handle for configuration space */
  ddi_acc_handle_t handle2; /* Access handle for memory space 1 */
  ulong_t base_addr2; /* Base address 1 value (rnumber = 2) */
  ushort_t vendor_id, device_id;
  uint_t class_code;
  /*
   * configp is the kernel virtual address that maps to the device
   * configuration space, rnumber is 0.
   */
  int status = ddi_regs_map_setup(dip, 0, &configp, 0, CONFIG_REGS_SIZE,
      &endian_attr, &handle0);
  /*

   * Comparing with the corresponding properties,
   * vendor_id should be 0x00001000.
   * device_id should be 0x0000000f.
   * class_code should be 0x00010000.
   * baddr1 should be 18000.
   */
   vendor_id = ddi_get8(handle0, configp + CONFIG_VENDOR_ID_OFFSET);
   device_id = ddi_get8(handle0, configp + CONFIG_DEVICE_ID_OFFSET);
   base_addr2 = ddi_get64(handle0, configp + CONFIG_BASE_ADDR_2_OFFSET);
   class_code = (uint_t)ddi_get64(handle0, configp + CONFIG_CLASS_CODE_OFFSET);
   class_code = (uint_t)(class_code >> 8);
}

int main()
{
  dev_info_t  *dip;
  dip =  (dev_info_t *)ddi_root_node();
  xxx_map_regs(dip);
  return 0;
}

S213:/export/home/vijay/Programs/NEW_PCI # gcc pciinfo.c -D_KERNEL
pciinfo.c: In function `xxx_map_regs':
pciinfo.c:78: warning: passing arg 2 of `ddi_getll' from incompatible pointer type
pciinfo.c:80: warning: passing arg 2 of `ddi_getll' from incompatible pointer type
Undefined                       first referenced
 symbol                             in file
ddi_regs_map_setup                  /var/tmp//ccM91uBL.o
ddi_getb                            /var/tmp//ccM91uBL.o
ddi_root_node                       /var/tmp//ccM91uBL.o
ddi_getll                           /var/tmp//ccM91uBL.o
ld: fatal: Symbol referencing errors. No output written to a.out
collect2: ld returned 1 exit status