FM / asm

/usr/src/linux-headers-5.15.0-181/arch/sparc/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/sparc/include/asm

Name	Size	Mode	Actions
adi.h	138	0644	edit dl rm
adi_64.h	812	0644	edit dl rm
agp.h	434	0644	edit dl rm
apb.h	1082	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	729	0644	edit dl rm
asm.h	1101	0644	edit dl rm
asmmacro.h	1183	0644	edit dl rm
atomic.h	219	0644	edit dl rm
atomic_32.h	1760	0644	edit dl rm
atomic_64.h	1849	0644	edit dl rm
auxio.h	310	0644	edit dl rm
auxio_32.h	2615	0644	edit dl rm
auxio_64.h	3253	0644	edit dl rm
backoff.h	2756	0644	edit dl rm
barrier.h	223	0644	edit dl rm
barrier_32.h	160	0644	edit dl rm
barrier_64.h	2004	0644	edit dl rm
bbc.h	9996	0644	edit dl rm
bitext.h	631	0644	edit dl rm
bitops.h	219	0644	edit dl rm
bitops_32.h	2853	0644	edit dl rm
bitops_64.h	1675	0644	edit dl rm
btext.h	145	0644	edit dl rm
bug.h	588	0644	edit dl rm
cache.h	630	0644	edit dl rm
cacheflush.h	373	0644	edit dl rm
cacheflush_32.h	1951	0644	edit dl rm
cacheflush_64.h	2557	0644	edit dl rm
cachetlb_32.h	882	0644	edit dl rm
chafsr.h	9710	0644	edit dl rm
checksum.h	331	0644	edit dl rm
checksum_32.h	5791	0644	edit dl rm
checksum_64.h	3855	0644	edit dl rm
chmctrl.h	8096	0644	edit dl rm
clock.h	231	0644	edit dl rm
clocksource.h	407	0644	edit dl rm
cmpxchg.h	223	0644	edit dl rm
cmpxchg_32.h	2483	0644	edit dl rm
cmpxchg_64.h	5288	0644	edit dl rm
compat.h	3890	0644	edit dl rm
compat_signal.h	565	0644	edit dl rm
contregs.h	1941	0644	edit dl rm
cpudata.h	378	0644	edit dl rm
cpudata_32.h	729	0644	edit dl rm
cpudata_64.h	1153	0644	edit dl rm
cpu_type.h	579	0644	edit dl rm
current.h	991	0644	edit dl rm
dcr.h	728	0644	edit dl rm
dcu.h	1520	0644	edit dl rm
delay.h	215	0644	edit dl rm
delay_32.h	907	0644	edit dl rm
delay_64.h	403	0644	edit dl rm
device.h	565	0644	edit dl rm
dma-mapping.h	336	0644	edit dl rm
dma.h	4989	0644	edit dl rm
ebus_dma.h	1098	0644	edit dl rm
ecc.h	4448	0644	edit dl rm
eeprom.h	254	0644	edit dl rm
elf.h	207	0644	edit dl rm
elf_32.h	3267	0644	edit dl rm
elf_64.h	6848	0644	edit dl rm
estate.h	2287	0644	edit dl rm
extable.h	723	0644	edit dl rm
fb.h	680	0644	edit dl rm
fbio.h	2315	0644	edit dl rm
fhc.h	4533	0644	edit dl rm
floppy.h	219	0644	edit dl rm
floppy_32.h	9796	0644	edit dl rm
floppy_64.h	19392	0644	edit dl rm
fpumacro.h	710	0644	edit dl rm
ftrace.h	801	0644	edit dl rm
futex.h	215	0644	edit dl rm
futex_32.h	82	0644	edit dl rm
futex_64.h	2160	0644	edit dl rm
hardirq.h	223	0644	edit dl rm
hardirq_32.h	334	0644	edit dl rm
hardirq_64.h	412	0644	edit dl rm
head.h	211	0644	edit dl rm
head_32.h	2617	0644	edit dl rm
head_64.h	2184	0644	edit dl rm
hibernate.h	421	0644	edit dl rm
highmem.h	1966	0644	edit dl rm
hugetlb.h	1592	0644	edit dl rm
hvtramp.h	782	0644	edit dl rm
hw_irq.h	88	0644	edit dl rm
hypervisor.h	117649	0644	edit dl rm
ide.h	2222	0644	edit dl rm
idprom.h	656	0644	edit dl rm
intr_queue.h	794	0644	edit dl rm
io-unit.h	2469	0644	edit dl rm
io.h	620	0644	edit dl rm
ioctls.h	358	0644	edit dl rm
iommu-common.h	1445	0644	edit dl rm
iommu.h	215	0644	edit dl rm
iommu_32.h	5865	0644	edit dl rm
iommu_64.h	2489	0644	edit dl rm
io_32.h	3430	0644	edit dl rm
io_64.h	11076	0644	edit dl rm
irq.h	207	0644	edit dl rm
irqflags.h	227	0644	edit dl rm
irqflags_32.h	1058	0644	edit dl rm
irqflags_64.h	1952	0644	edit dl rm
irq_32.h	526	0644	edit dl rm
irq_64.h	3105	0644	edit dl rm
jump_label.h	1036	0644	edit dl rm
Kbuild	177	0644	edit dl rm
kdebug.h	219	0644	edit dl rm
kdebug_32.h	2041	0644	edit dl rm
kdebug_64.h	393	0644	edit dl rm
kgdb.h	1014	0644	edit dl rm
kprobes.h	1410	0644	edit dl rm
ldc.h	4475	0644	edit dl rm
leon.h	7844	0644	edit dl rm
leon_amba.h	8280	0644	edit dl rm
leon_pci.h	512	0644	edit dl rm
lsu.h	1062	0644	edit dl rm
machines.h	1540	0644	edit dl rm
mbus.h	2996	0644	edit dl rm
mc146818rtc.h	298	0644	edit dl rm
mc146818rtc_32.h	699	0644	edit dl rm
mc146818rtc_64.h	689	0644	edit dl rm
mdesc.h	3066	0644	edit dl rm
memctrl.h	311	0644	edit dl rm
mman.h	2633	0644	edit dl rm
mmu.h	207	0644	edit dl rm
mmu_32.h	209	0644	edit dl rm
mmu_64.h	3967	0644	edit dl rm
mmu_context.h	239	0644	edit dl rm
mmu_context_32.h	1082	0644	edit dl rm
mmu_context_64.h	5481	0644	edit dl rm
mmzone.h	363	0644	edit dl rm
mxcc.h	4429	0644	edit dl rm
nmi.h	354	0644	edit dl rm
ns87303.h	3299	0644	edit dl rm
obio.h	6410	0644	edit dl rm
openprom.h	7475	0644	edit dl rm
oplib.h	215	0644	edit dl rm
oplib_32.h	6062	0644	edit dl rm
oplib_64.h	8357	0644	edit dl rm
page.h	274	0644	edit dl rm
page_32.h	3826	0644	edit dl rm
page_64.h	4753	0644	edit dl rm
parport.h	5819	0644	edit dl rm
pbm.h	1505	0644	edit dl rm
pci.h	1367	0644	edit dl rm
pcic.h	5904	0644	edit dl rm
pcr.h	1893	0644	edit dl rm
percpu.h	219	0644	edit dl rm
percpu_32.h	168	0644	edit dl rm
percpu_64.h	541	0644	edit dl rm
perf_event.h	802	0644	edit dl rm
pgalloc.h	223	0644	edit dl rm
pgalloc_32.h	1823	0644	edit dl rm
pgalloc_64.h	2764	0644	edit dl rm
pgtable.h	223	0644	edit dl rm
pgtable_32.h	11021	0644	edit dl rm
pgtable_64.h	32369	0644	edit dl rm
pgtsrmmu.h	4879	0644	edit dl rm
pil.h	1109	0644	edit dl rm
processor.h	231	0644	edit dl rm
processor_32.h	2836	0644	edit dl rm
processor_64.h	7577	0644	edit dl rm
prom.h	1776	0644	edit dl rm
psr.h	1414	0644	edit dl rm
ptrace.h	4294	0644	edit dl rm
qrwlock.h	205	0644	edit dl rm
qspinlock.h	215	0644	edit dl rm
ross.h	5655	0644	edit dl rm
sbi.h	3425	0644	edit dl rm
scratchpad.h	547	0644	edit dl rm
seccomp.h	225	0644	edit dl rm
sections.h	289	0644	edit dl rm
setup.h	1552	0644	edit dl rm
sfafsr.h	3216	0644	edit dl rm
sfp-machine.h	239	0644	edit dl rm
sfp-machine_32.h	6954	0644	edit dl rm
sfp-machine_64.h	3178	0644	edit dl rm
shmparam.h	227	0644	edit dl rm
shmparam_32.h	253	0644	edit dl rm
shmparam_64.h	306	0644	edit dl rm
sigcontext.h	2616	0644	edit dl rm
signal.h	351	0644	edit dl rm
smp.h	207	0644	edit dl rm
smp_32.h	3368	0644	edit dl rm
smp_64.h	1791	0644	edit dl rm
sparsemem.h	295	0644	edit dl rm
spinlock.h	227	0644	edit dl rm
spinlock_32.h	4324	0644	edit dl rm
spinlock_64.h	409	0644	edit dl rm
spinlock_types.h	549	0644	edit dl rm
spitfire.h	9967	0644	edit dl rm
stacktrace.h	166	0644	edit dl rm
starfire.h	418	0644	edit dl rm
string.h	1254	0644	edit dl rm
string_32.h	405	0644	edit dl rm
string_64.h	409	0644	edit dl rm
sunbpp.h	3346	0644	edit dl rm
swift.h	3147	0644	edit dl rm
switch_to.h	231	0644	edit dl rm
switch_to_32.h	3616	0644	edit dl rm
switch_to_64.h	2640	0644	edit dl rm
syscall.h	3464	0644	edit dl rm
syscalls.h	299	0644	edit dl rm
termbits.h	198	0644	edit dl rm
termios.h	5063	0644	edit dl rm
thread_info.h	239	0644	edit dl rm
thread_info_32.h	3773	0644	edit dl rm
thread_info_64.h	8195	0644	edit dl rm
timer.h	215	0644	edit dl rm
timer_32.h	1211	0644	edit dl rm
timer_64.h	2448	0644	edit dl rm
timex.h	215	0644	edit dl rm
timex_32.h	266	0644	edit dl rm
timex_64.h	423	0644	edit dl rm
tlb.h	207	0644	edit dl rm
tlbflush.h	227	0644	edit dl rm
tlbflush_32.h	621	0644	edit dl rm
tlbflush_64.h	1776	0644	edit dl rm
tlb_32.h	138	0644	edit dl rm
tlb_64.h	1056	0644	edit dl rm
topology.h	227	0644	edit dl rm
topology_32.h	170	0644	edit dl rm
topology_64.h	1546	0644	edit dl rm
traps.h	577	0644	edit dl rm
trap_block.h	6786	0644	edit dl rm
tsb.h	12457	0644	edit dl rm
tsunami.h	1890	0644	edit dl rm
ttable.h	20827	0644	edit dl rm
turbosparc.h	3866	0644	edit dl rm
uaccess.h	390	0644	edit dl rm
uaccess_32.h	7032	0644	edit dl rm
uaccess_64.h	6142	0644	edit dl rm
unistd.h	1797	0644	edit dl rm
upa.h	3808	0644	edit dl rm
uprobes.h	1304	0644	edit dl rm
user.h	102	0644	edit dl rm
vaddrs.h	2066	0644	edit dl rm
vdso.h	491	0644	edit dl rm
vga.h	964	0644	edit dl rm
viking.h	8341	0644	edit dl rm
vio.h	12097	0644	edit dl rm
visasm.h	1544	0644	edit dl rm
vmalloc.h	93	0644	edit dl rm
vvar.h	1577	0644	edit dl rm
winmacro.h	4767	0644	edit dl rm
xor.h	207	0644	edit dl rm
xor_32.h	7086	0644	edit dl rm
xor_64.h	2156	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/sparc/include/asm/vio.h (12097B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC64_VIO_H
#define _SPARC64_VIO_H

#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/timer.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/list.h>
#include <linux/log2.h>

#include <asm/ldc.h>
#include <asm/mdesc.h>

struct vio_msg_tag {
	u8			type;
#define VIO_TYPE_CTRL		0x01
#define VIO_TYPE_DATA		0x02
#define VIO_TYPE_ERR		0x04

u8			stype;
#define VIO_SUBTYPE_INFO	0x01
#define VIO_SUBTYPE_ACK		0x02
#define VIO_SUBTYPE_NACK	0x04

u16			stype_env;
#define VIO_VER_INFO		0x0001
#define VIO_ATTR_INFO		0x0002
#define VIO_DRING_REG		0x0003
#define VIO_DRING_UNREG		0x0004
#define VIO_RDX			0x0005
#define VIO_PKT_DATA		0x0040
#define VIO_DESC_DATA		0x0041
#define VIO_DRING_DATA		0x0042
#define VNET_MCAST_INFO		0x0101

u32		sid;
};

struct vio_rdx {
	struct vio_msg_tag	tag;
	u64			resv[6];
};

struct vio_ver_info {
	struct vio_msg_tag	tag;
	u16			major;
	u16			minor;
	u8			dev_class;
#define VDEV_NETWORK		0x01
#define VDEV_NETWORK_SWITCH	0x02
#define VDEV_DISK		0x03
#define VDEV_DISK_SERVER	0x04
#define VDEV_CONSOLE_CON	0x05

u8			resv1[3];
	u64			resv2[5];
};

struct vio_dring_register {
	struct vio_msg_tag	tag;
	u64			dring_ident;
	u32			num_descr;
	u32			descr_size;
	u16			options;
#define VIO_TX_DRING		0x0001
#define VIO_RX_DRING		0x0002
#define VIO_RX_DRING_DATA	0x0004
	u16			resv;
	u32			num_cookies;
	struct ldc_trans_cookie	cookies[0];
};

struct vio_dring_unregister {
	struct vio_msg_tag	tag;
	u64			dring_ident;
	u64			resv[5];
};

/* Data transfer modes */
#define VIO_PKT_MODE		0x01 /* Packet based transfer	*/
#define VIO_DESC_MODE		0x02 /* In-band descriptors	*/
#define VIO_DRING_MODE		0x03 /* Descriptor rings	*/
/* in vers >= 1.2, VIO_DRING_MODE is 0x04 and transfer mode is a bitmask */
#define VIO_NEW_DRING_MODE	0x04

struct vio_dring_data {
	struct vio_msg_tag	tag;
	u64			seq;
	u64			dring_ident;
	u32			start_idx;
	u32			end_idx;
	u8			state;
#define VIO_DRING_ACTIVE	0x01
#define VIO_DRING_STOPPED	0x02

u8			__pad1;
	u16			__pad2;
	u32			__pad3;
	u64			__par4[2];
};

struct vio_dring_hdr {
	u8			state;
#define VIO_DESC_FREE		0x01
#define VIO_DESC_READY		0x02
#define VIO_DESC_ACCEPTED	0x03
#define VIO_DESC_DONE		0x04
	u8			ack;
#define VIO_ACK_ENABLE		0x01
#define VIO_ACK_DISABLE		0x00

u16			__pad1;
	u32			__pad2;
};

/* VIO disk specific structures and defines */
struct vio_disk_attr_info {
	struct vio_msg_tag	tag;
	u8			xfer_mode;
	u8			vdisk_type;
#define VD_DISK_TYPE_SLICE	0x01 /* Slice in block device	*/
#define VD_DISK_TYPE_DISK	0x02 /* Entire block device	*/
	u8			vdisk_mtype;		/* v1.1 */
#define VD_MEDIA_TYPE_FIXED	0x01 /* Fixed device */
#define VD_MEDIA_TYPE_CD	0x02 /* CD Device    */
#define VD_MEDIA_TYPE_DVD	0x03 /* DVD Device   */
	u8			resv1;
	u32			vdisk_block_size;
	u64			operations;
	u64			vdisk_size;		/* v1.1 */
	u64			max_xfer_size;
	u32			phys_block_size;	/* v1.2 */
	u32			resv2;
	u64			resv3[1];
};

struct vio_disk_desc {
	struct vio_dring_hdr	hdr;
	u64			req_id;
	u8			operation;
#define VD_OP_BREAD		0x01 /* Block read			*/
#define VD_OP_BWRITE		0x02 /* Block write			*/
#define VD_OP_FLUSH		0x03 /* Flush disk contents		*/
#define VD_OP_GET_WCE		0x04 /* Get write-cache status		*/
#define VD_OP_SET_WCE		0x05 /* Enable/disable write-cache	*/
#define VD_OP_GET_VTOC		0x06 /* Get VTOC			*/
#define VD_OP_SET_VTOC		0x07 /* Set VTOC			*/
#define VD_OP_GET_DISKGEOM	0x08 /* Get disk geometry		*/
#define VD_OP_SET_DISKGEOM	0x09 /* Set disk geometry		*/
#define VD_OP_SCSICMD		0x0a /* SCSI control command		*/
#define VD_OP_GET_DEVID		0x0b /* Get device ID			*/
#define VD_OP_GET_EFI		0x0c /* Get EFI				*/
#define VD_OP_SET_EFI		0x0d /* Set EFI				*/
	u8			slice;
	u16			resv1;
	u32			status;
	u64			offset;
	u64			size;
	u32			ncookies;
	u32			resv2;
	struct ldc_trans_cookie	cookies[0];
};

#define VIO_DISK_VNAME_LEN	8
#define VIO_DISK_ALABEL_LEN	128
#define VIO_DISK_NUM_PART	8

struct vio_disk_vtoc {
	u8			volume_name[VIO_DISK_VNAME_LEN];
	u16			sector_size;
	u16			num_partitions;
	u8			ascii_label[VIO_DISK_ALABEL_LEN];
	struct {
		u16		id;
		u16		perm_flags;
		u32		resv;
		u64		start_block;
		u64		num_blocks;
	} partitions[VIO_DISK_NUM_PART];
};

struct vio_disk_geom {
	u16			num_cyl; /* Num data cylinders		*/
	u16			alt_cyl; /* Num alternate cylinders	*/
	u16			beg_cyl; /* Cyl off of fixed head area	*/
	u16			num_hd;  /* Num heads			*/
	u16			num_sec; /* Num sectors			*/
	u16			ifact;   /* Interleave factor		*/
	u16			apc;     /* Alts per cylinder (SCSI)	*/
	u16			rpm;	 /* Revolutions per minute	*/
	u16			phy_cyl; /* Num physical cylinders	*/
	u16			wr_skip; /* Num sects to skip, writes	*/
	u16			rd_skip; /* Num sects to skip, writes	*/
};

struct vio_disk_devid {
	u16			resv;
	u16			type;
	u32			len;
	char			id[0];
};

struct vio_disk_efi {
	u64			lba;
	u64			len;
	char			data[0];
};

/* VIO net specific structures and defines */
struct vio_net_attr_info {
	struct vio_msg_tag	tag;
	u8			xfer_mode;
	u8			addr_type;
#define VNET_ADDR_ETHERMAC	0x01
	u16			ack_freq;
	u8			plnk_updt;
#define PHYSLINK_UPDATE_NONE		0x00
#define PHYSLINK_UPDATE_STATE		0x01
#define PHYSLINK_UPDATE_STATE_ACK	0x02
#define PHYSLINK_UPDATE_STATE_NACK	0x03
	u8			options;
	u16			resv1;
	u64			addr;
	u64			mtu;
	u16			cflags;
#define VNET_LSO_IPV4_CAPAB		0x0001
	u16			ipv4_lso_maxlen;
	u32			resv2;
	u64			resv3[2];
};

#define VNET_NUM_MCAST		7

struct vio_net_mcast_info {
	struct vio_msg_tag	tag;
	u8			set;
	u8			count;
	u8			mcast_addr[VNET_NUM_MCAST * 6];
	u32			resv;
};

struct vio_net_desc {
	struct vio_dring_hdr	hdr;
	u32			size;
	u32			ncookies;
	struct ldc_trans_cookie	cookies[0];
};

struct vio_net_dext {
	u8		flags;
#define VNET_PKT_HASH			0x01
#define	VNET_PKT_HCK_IPV4_HDRCKSUM	0x02
#define	VNET_PKT_HCK_FULLCKSUM		0x04
#define	VNET_PKT_IPV4_LSO		0x08
#define	VNET_PKT_HCK_IPV4_HDRCKSUM_OK	0x10
#define	VNET_PKT_HCK_FULLCKSUM_OK	0x20

u8		vnet_hashval;
	u16		ipv4_lso_mss;
	u32		resv3;
};

static inline struct vio_net_dext *vio_net_ext(struct vio_net_desc *desc)
{
	return (struct vio_net_dext *)&desc->cookies[2];
}

#define VIO_MAX_RING_COOKIES	24

struct vio_dring_state {
	u64			ident;
	void			*base;
	u64			snd_nxt;
	u64			rcv_nxt;
	u32			entry_size;
	u32			num_entries;
	u32			prod;
	u32			cons;
	u32			pending;
	int			ncookies;
	struct ldc_trans_cookie	cookies[VIO_MAX_RING_COOKIES];
};

#define VIO_TAG_SIZE		((int)sizeof(struct vio_msg_tag))
#define VIO_VCC_MTU_SIZE	(LDC_PACKET_SIZE - VIO_TAG_SIZE)

struct vio_vcc {
	struct vio_msg_tag	tag;
	char			data[VIO_VCC_MTU_SIZE];
};

static inline void *vio_dring_cur(struct vio_dring_state *dr)
{
	return dr->base + (dr->entry_size * dr->prod);
}

static inline void *vio_dring_entry(struct vio_dring_state *dr,
				    unsigned int index)
{
	return dr->base + (dr->entry_size * index);
}

static inline u32 vio_dring_avail(struct vio_dring_state *dr,
				  unsigned int ring_size)
{
	return (dr->pending -
		((dr->prod - dr->cons) & (ring_size - 1)) - 1);
}

static inline u32 vio_dring_next(struct vio_dring_state *dr, u32 index)
{
	if (++index == dr->num_entries)
		index = 0;
	return index;
}

static inline u32 vio_dring_prev(struct vio_dring_state *dr, u32 index)
{
	if (index == 0)
		return dr->num_entries - 1;
	else
		return index - 1;
}

#define VIO_MAX_TYPE_LEN	32
#define VIO_MAX_NAME_LEN	32
#define VIO_MAX_COMPAT_LEN	64

struct vio_dev {
	u64			mp;
	struct device_node	*dp;

char			node_name[VIO_MAX_NAME_LEN];
	char			type[VIO_MAX_TYPE_LEN];
	char			compat[VIO_MAX_COMPAT_LEN];
	int			compat_len;

u64			dev_no;

unsigned long		port_id;
	unsigned long		channel_id;

unsigned int		tx_irq;
	unsigned int		rx_irq;
	u64			rx_ino;
	u64			tx_ino;

/* Handle to the root of "channel-devices" sub-tree in MDESC */
	u64			cdev_handle;

/* MD specific data used to identify the vdev in MD */
	union md_node_info	md_node_info;

struct device		dev;
};

struct vio_driver {
	const char			*name;
	struct list_head		node;
	const struct vio_device_id	*id_table;
	int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
	void (*remove)(struct vio_dev *dev);
	void (*shutdown)(struct vio_dev *dev);
	unsigned long			driver_data;
	struct device_driver		driver;
	bool				no_irq;
};

struct vio_version {
	u16		major;
	u16		minor;
};

struct vio_driver_state;
struct vio_driver_ops {
	int	(*send_attr)(struct vio_driver_state *vio);
	int	(*handle_attr)(struct vio_driver_state *vio, void *pkt);
	void	(*handshake_complete)(struct vio_driver_state *vio);
};

struct vio_completion {
	struct completion	com;
	int			err;
	int			waiting_for;
};

struct vio_driver_state {
	/* Protects VIO handshake and, optionally, driver private state.  */
	spinlock_t		lock;

struct ldc_channel	*lp;

u32			_peer_sid;
	u32			_local_sid;
	struct vio_dring_state	drings[2];
#define VIO_DRIVER_TX_RING	0
#define VIO_DRIVER_RX_RING	1

u8			hs_state;
#define VIO_HS_INVALID		0x00
#define VIO_HS_GOTVERS		0x01
#define VIO_HS_GOT_ATTR		0x04
#define VIO_HS_SENT_DREG	0x08
#define VIO_HS_SENT_RDX		0x10
#define VIO_HS_GOT_RDX_ACK	0x20
#define VIO_HS_GOT_RDX		0x40
#define VIO_HS_SENT_RDX_ACK	0x80
#define VIO_HS_COMPLETE		(VIO_HS_GOT_RDX_ACK | VIO_HS_SENT_RDX_ACK)

u8			dev_class;

u8			dr_state;
#define VIO_DR_STATE_TXREG	0x01
#define VIO_DR_STATE_RXREG	0x02
#define VIO_DR_STATE_TXREQ	0x10
#define VIO_DR_STATE_RXREQ	0x20

u8			debug;
#define VIO_DEBUG_HS		0x01
#define VIO_DEBUG_DATA		0x02

void			*desc_buf;
	unsigned int		desc_buf_len;

struct vio_completion	*cmp;

struct vio_dev		*vdev;

struct timer_list	timer;

struct vio_version	ver;

struct vio_version	*ver_table;
	int			ver_table_entries;

char			*name;

struct vio_driver_ops	*ops;
};

static inline bool vio_version_before(struct vio_driver_state *vio,
				      u16 major, u16 minor)
{
	u32 have = (u32)vio->ver.major << 16 | vio->ver.minor;
	u32 want = (u32)major << 16 | minor;

return have < want;
}

static inline bool vio_version_after(struct vio_driver_state *vio,
				      u16 major, u16 minor)
{
	u32 have = (u32)vio->ver.major << 16 | vio->ver.minor;
	u32 want = (u32)major << 16 | minor;

return have > want;
}

static inline bool vio_version_after_eq(struct vio_driver_state *vio,
					u16 major, u16 minor)
{
	u32 have = (u32)vio->ver.major << 16 | vio->ver.minor;
	u32 want = (u32)major << 16 | minor;

return have >= want;
}

#define viodbg(TYPE, f, a...) \
do {	if (vio->debug & VIO_DEBUG_##TYPE) \
		printk(KERN_INFO "vio: ID[%lu] " f, \
		       vio->vdev->channel_id, ## a); \
} while (0)

int __vio_register_driver(struct vio_driver *drv, struct module *owner,
				 const char *mod_name);
/*
 * vio_register_driver must be a macro so that KBUILD_MODNAME can be expanded
 */
#define vio_register_driver(driver)		\
	__vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
void vio_unregister_driver(struct vio_driver *drv);

static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
{
	return container_of(drv, struct vio_driver, driver);
}

static inline struct vio_dev *to_vio_dev(struct device *dev)
{
	return container_of(dev, struct vio_dev, dev);
}

int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
void vio_link_state_change(struct vio_driver_state *vio, int event);
void vio_conn_reset(struct vio_driver_state *vio);
int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt);
int vio_validate_sid(struct vio_driver_state *vio,
		     struct vio_msg_tag *tp);
u32 vio_send_sid(struct vio_driver_state *vio);
int vio_ldc_alloc(struct vio_driver_state *vio,
		  struct ldc_channel_config *base_cfg, void *event_arg);
void vio_ldc_free(struct vio_driver_state *vio);
int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev,
		    u8 dev_class, struct vio_version *ver_table,
		    int ver_table_size, struct vio_driver_ops *ops,
		    char *name);

void vio_port_up(struct vio_driver_state *vio);
int vio_set_intr(unsigned long dev_ino, int state);
u64 vio_vdev_node(struct mdesc_handle *hp, struct vio_dev *vdev);

#endif /* _SPARC64_VIO_H */

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