-#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 <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
-
- 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
- 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 */
-
-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 */
- u16 resv1;
- u32 vdisk_block_size;
- u64 operations;
- u64 vdisk_size;
- u64 max_xfer_size;
- u64 resv2[2];
-};
-
-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;
- u32 resv1;
- u64 addr;
- u64 mtu;
- u64 resv2[3];
-};
-
-#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];
-};
-
-#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];
-};
-
-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)
-{
- /* Ensure build-time power-of-2. */
- BUILD_BUG_ON(ring_size & (ring_size - 1));
-
- return (dr->pending -
- ((dr->prod - dr->cons) & (ring_size - 1)));
-}
-
-#define VIO_MAX_TYPE_LEN 32
-#define VIO_MAX_COMPAT_LEN 64
-
-struct vio_dev {
- u64 mp;
- struct device_node *dp;
-
- char type[VIO_MAX_TYPE_LEN];
- char compat[VIO_MAX_COMPAT_LEN];
- int compat_len;
-
- u64 dev_no;
-
- unsigned long channel_id;
-
- unsigned int tx_irq;
- unsigned int rx_irq;
-
- struct device dev;
-};
-
-struct vio_driver {
- struct list_head node;
- const struct vio_device_id *id_table;
- int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
- int (*remove)(struct vio_dev *dev);
- void (*shutdown)(struct vio_dev *dev);
- unsigned long driver_data;
- struct device_driver driver;
-};
-
-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;
-};
-
-#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)
-
-extern int vio_register_driver(struct vio_driver *drv);
-extern 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);
-}
-
-extern int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
-extern void vio_link_state_change(struct vio_driver_state *vio, int event);
-extern void vio_conn_reset(struct vio_driver_state *vio);
-extern int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt);
-extern int vio_validate_sid(struct vio_driver_state *vio,
- struct vio_msg_tag *tp);
-extern u32 vio_send_sid(struct vio_driver_state *vio);
-extern int vio_ldc_alloc(struct vio_driver_state *vio,
- struct ldc_channel_config *base_cfg, void *event_arg);
-extern void vio_ldc_free(struct vio_driver_state *vio);
-extern 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);
-
-extern void vio_port_up(struct vio_driver_state *vio);
-
-#endif /* _SPARC64_VIO_H */
+#include <asm-sparc/vio.h>
git.openpandora.org / pandora-kernel.git / blobdiff