/*
 * PCI Backend - Common data structures for overriding the configuration space
 *
 * Author: Ryan Wilson <hap9@epoch.ncsc.mil>
 */

#ifndef __XEN_PCIBACK_CONF_SPACE_H__
#define __XEN_PCIBACK_CONF_SPACE_H__

#include <linux/list.h>
#include <linux/err.h>

/* conf_field_init can return an errno in a ptr with ERR_PTR() */
typedef void *(*conf_field_init) (struct pci_dev *dev, int offset);
typedef void (*conf_field_reset) (struct pci_dev *dev, int offset, void *data);
typedef void (*conf_field_free) (struct pci_dev *dev, int offset, void *data);

typedef int (*conf_dword_write) (struct pci_dev *dev, int offset, u32 value,
				 void *data);
typedef int (*conf_word_write) (struct pci_dev *dev, int offset, u16 value,
				void *data);
typedef int (*conf_byte_write) (struct pci_dev *dev, int offset, u8 value,
				void *data);
typedef int (*conf_dword_read) (struct pci_dev *dev, int offset, u32 *value,
				void *data);
typedef int (*conf_word_read) (struct pci_dev *dev, int offset, u16 *value,
			       void *data);
typedef int (*conf_byte_read) (struct pci_dev *dev, int offset, u8 *value,
			       void *data);

/* These are the fields within the configuration space which we
 * are interested in intercepting reads/writes to and changing their
 * values.
 */
struct config_field {
	unsigned int offset;
	unsigned int size;
	unsigned int mask;
	conf_field_init init;
	conf_field_reset reset;
	conf_field_free release;
	void (*clean) (struct config_field *field);
	union {
		struct {
			conf_dword_write write;
			conf_dword_read read;
		} dw;
		struct {
			conf_word_write write;
			conf_word_read read;
		} w;
		struct {
			conf_byte_write write;
			conf_byte_read read;
		} b;
	} u;
	struct list_head list;
};

struct config_field_entry {
	struct list_head list;
	const struct config_field *field;
	unsigned int base_offset;
	void *data;
};

extern bool xen_pcibk_permissive;

#define OFFSET(cfg_entry) ((cfg_entry)->base_offset+(cfg_entry)->field->offset)

/* Add fields to a device - the add_fields macro expects to get a pointer to
 * the first entry in an array (of which the ending is marked by size==0)
 */
int xen_pcibk_config_add_field_offset(struct pci_dev *dev,
				    const struct config_field *field,
				    unsigned int offset);

static inline int xen_pcibk_config_add_field(struct pci_dev *dev,
					   const struct config_field *field)
{
	return xen_pcibk_config_add_field_offset(dev, field, 0);
}

static inline int xen_pcibk_config_add_fields(struct pci_dev *dev,
					    const struct config_field *field)
{
	int i, err = 0;
	for (i = 0; field[i].size != 0; i++) {
		err = xen_pcibk_config_add_field(dev, &field[i]);
		if (err)
			break;
	}
	return err;
}

static inline int xen_pcibk_config_add_fields_offset(struct pci_dev *dev,
					const struct config_field *field,
					unsigned int offset)
{
	int i, err = 0;
	for (i = 0; field[i].size != 0; i++) {
		err = xen_pcibk_config_add_field_offset(dev, &field[i], offset);
		if (err)
			break;
	}
	return err;
}

/* Read/Write the real configuration space */
int xen_pcibk_read_config_byte(struct pci_dev *dev, int offset, u8 *value,
			       void *data);
int xen_pcibk_read_config_word(struct pci_dev *dev, int offset, u16 *value,
			       void *data);
int xen_pcibk_read_config_dword(struct pci_dev *dev, int offset, u32 *value,
				void *data);
int xen_pcibk_write_config_byte(struct pci_dev *dev, int offset, u8 value,
				 void *data);
int xen_pcibk_write_config_word(struct pci_dev *dev, int offset, u16 value,
				void *data);
int xen_pcibk_write_config_dword(struct pci_dev *dev, int offset, u32 value,
				 void *data);

int xen_pcibk_config_capability_init(void);

int xen_pcibk_config_header_add_fields(struct pci_dev *dev);
int xen_pcibk_config_capability_add_fields(struct pci_dev *dev);

#endif				/* __XEN_PCIBACK_CONF_SPACE_H__ */
-mssr.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='0263d4ebd94b36280608e296cba39b924b6e832b'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 12:38:43 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 12:38:43 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/clock/r8a7743-cpg-mssr.h?h=nds-private-remove&amp;id=0263d4ebd94b36280608e296cba39b924b6e832b'>0263d4ebd94b36280608e296cba39b924b6e832b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/clock/r8a7743-cpg-mssr.h?id=0263d4ebd94b36280608e296cba39b924b6e832b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=0263d4ebd94b36280608e296cba39b924b6e832b'>6e21b4b3d8e8fb12cdfcfd185d46992487265a9b</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/clock/r8a7743-cpg-mssr.h?h=nds-private-remove&amp;id=0263d4ebd94b36280608e296cba39b924b6e832b'>include/dt-bindings/clock/r8a7743-cpg-mssr.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/clock/r8a7743-cpg-mssr.h?h=nds-private-remove&amp;id=19ca2c8fecb1592d623fe5e82d6796f8d446268d'>19ca2c8fecb1592d623fe5e82d6796f8d446268d</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/clock/r8a7743-cpg-mssr.h?h=nds-private-remove&amp;id=0263d4ebd94b36280608e296cba39b924b6e832b&amp;id2=19ca2c8fecb1592d623fe5e82d6796f8d446268d'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/clock/r8a7743-cpg-mssr.h?h=nds-private-remove&amp;id=7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b'>7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/clock/r8a7743-cpg-mssr.h?h=nds-private-remove&amp;id=0263d4ebd94b36280608e296cba39b924b6e832b&amp;id2=7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86</div><div class='commit-msg'>Pull x86 platform-driver fixes from Andy Shevchenko:
 "This is my first pull request since I become a co-maintainer of
  Platform Drivers x86 subsystem. It's a bit bigger than usual due to
  material collected for almost two weeks in a row.

  MAINTAINERS:
   - Add myself to X86 PLATFORM DRIVERS as a co-maintainer

  ideapad-laptop:
   - handle ACPI event 1

  intel_mid_powerbtn:
   - Set IRQ_ONESHOT

  surface3-wmi:
   - fix uninitialized symbol
   - Shut up unused-function warning

  mlx-platform:
   - free first dev on error"

* tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86:
  MAINTAINERS: Add myself to X86 PLATFORM DRIVERS as a co-maintainer
  platform/x86: ideapad-laptop: handle ACPI event 1
  platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
  platform/x86: surface3-wmi: fix uninitialized symbol
  platform/x86: surface3-wmi: Shut up unused-function warning
  platform/x86: mlx-platform: free first dev on error
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=0263d4ebd94b36280608e296cba39b924b6e832b'>Diffstat</a> (limited to 'include/dt-bindings/clock/r8a7743-cpg-mssr.h')</div><table summary='diffstat' class='diffstat'>