iPXE
Data Structures | Functions | Variables
pci_cmd.c File Reference

PCI commands. More...

#include <stdio.h>
#include <getopt.h>
#include <ipxe/pci.h>
#include <ipxe/command.h>
#include <ipxe/parseopt.h>

Go to the source code of this file.

Data Structures

struct  pciscan_options
 "pciscan" options More...
 

Functions

 FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
 
static int pciscan_exec (int argc, char **argv)
 "pciscan" command More...
 

Variables

static struct option_descriptor pciscan_opts [] = {}
 "pciscan" option list More...
 
static struct command_descriptor pciscan_cmd
 "pciscan" command descriptor More...
 
struct command pci_commands [] __command
 PCI commands. More...
 

Detailed Description

PCI commands.

Definition in file pci_cmd.c.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL  )

◆ pciscan_exec()

static int pciscan_exec ( int  argc,
char **  argv 
)
static

"pciscan" command

Parameters
argcArgument count
argvArgument list
Return values
rcReturn status code

Definition at line 56 of file pci_cmd.c.

56  {
57  struct pciscan_options opts;
58  struct named_setting setting;
59  struct pci_device pci;
60  unsigned long prev;
61  int next;
62  int len;
63  int rc;
64 
65  /* Parse options */
66  if ( ( rc = parse_options ( argc, argv, &pciscan_cmd, &opts ) ) != 0 )
67  goto err_parse_options;
68 
69  /* Parse setting name */
70  if ( ( rc = parse_autovivified_setting ( argv[optind],
71  &setting ) ) != 0 )
72  goto err_parse_setting;
73 
74  /* Determine starting bus:dev.fn address */
75  if ( ( len = fetchn_setting ( setting.settings, &setting.setting,
76  NULL, &setting.setting, &prev ) ) < 0 ) {
77  /* Setting not yet defined: start searching from 00:00.0 */
78  prev = 0;
79  } else {
80  /* Setting is defined: start searching from next location */
81  prev++;
82  }
83 
84  /* Find next existent PCI device */
85  if ( ( next = pci_find_next ( &pci, prev ) ) < 0 ) {
86  rc = next;
87  goto err_find_next;
88  }
89 
90  /* Apply default type if necessary. Use ":uint16" rather than
91  * ":busdevfn" to allow for easy inclusion within a
92  * "${pci/${location}.x.y}" constructed setting.
93  */
94  if ( ! setting.setting.type )
95  setting.setting.type = &setting_type_uint16;
96 
97  /* Store setting */
98  if ( ( rc = storen_setting ( setting.settings, &setting.setting,
99  next ) ) != 0 ) {
100  printf ( "Could not store \"%s\": %s\n",
101  setting.setting.name, strerror ( rc ) );
102  goto err_store;
103  }
104 
105  err_store:
106  err_find_next:
107  err_parse_setting:
108  err_parse_options:
109  return rc;
110 }
struct arbelprm_rc_send_wqe rc
Definition: arbel.h:14
int printf(const char *fmt,...)
Write a formatted string to the console.
Definition: vsprintf.c:464
A parsed named setting.
Definition: parseopt.h:121
int optind
Current option index.
Definition: getopt.c:51
uint32_t next
Next descriptor address.
Definition: myson.h:18
static union @424 opts
"cert<xxx>" option list
int storen_setting(struct settings *settings, const struct setting *setting, unsigned long value)
Store numeric value of setting.
Definition: settings.c:1418
int parse_autovivified_setting(char *text, struct named_setting *setting)
Parse and autovivify setting name.
Definition: parseopt.c:299
int parse_options(int argc, char **argv, struct command_descriptor *cmd, void *opts)
Parse command-line options.
Definition: parseopt.c:447
"pciscan" options
Definition: pci_cmd.c:39
const char * name
Name.
Definition: settings.h:28
const struct setting_type * type
Setting type.
Definition: settings.h:36
int fetchn_setting(struct settings *settings, const struct setting *setting, struct settings **origin, struct setting *fetched, unsigned long *value)
Fetch numeric value of setting.
Definition: settings.c:1376
char * strerror(int errno)
Retrieve string representation of error number.
Definition: strerror.c:78
A PCI device.
Definition: pci.h:187
int pci_find_next(struct pci_device *pci, unsigned int busdevfn)
Find next device on PCI bus.
Definition: pci.c:229
A setting.
Definition: settings.h:23
uint32_t len
Length.
Definition: ena.h:14
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362
static struct command_descriptor pciscan_cmd
"pciscan" command descriptor
Definition: pci_cmd.c:45

References fetchn_setting(), len, setting::name, next, NULL, optind, opts, parse_autovivified_setting(), parse_options(), pci_find_next(), pciscan_cmd, printf(), rc, storen_setting(), strerror(), and setting::type.

Variable Documentation

◆ pciscan_opts

struct option_descriptor pciscan_opts[] = {}
static

"pciscan" option list

Definition at line 42 of file pci_cmd.c.

◆ pciscan_cmd

struct command_descriptor pciscan_cmd
static
Initial value:
=
"<setting>" )
"pciscan" options
Definition: pci_cmd.c:39
#define COMMAND_DESC(_struct, _options, _min_args, _max_args, _usage)
Construct command descriptor.
Definition: parseopt.h:107
static struct option_descriptor pciscan_opts[]
"pciscan" option list
Definition: pci_cmd.c:42

"pciscan" command descriptor

Definition at line 45 of file pci_cmd.c.

Referenced by pciscan_exec().

◆ __command

struct command pci_commands [] __command
Initial value:
= {
{
.name = "pciscan",
.exec = pciscan_exec,
},
}
static int pciscan_exec(int argc, char **argv)
"pciscan" command
Definition: pci_cmd.c:56

PCI commands.

Definition at line 113 of file pci_cmd.c.