+++ /dev/null
-/* uisqueue.h
- *
- * Copyright (C) 2010 - 2013 UNISYS CORPORATION
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for more
- * details.
- */
-
-/*
- * Unisys IO Virtualization header NOTE: This file contains only Linux
- * specific structs. All OS-independent structs are in iochannel.h.xx
- */
-
-#ifndef __UISQUEUE_H__
-#define __UISQUEUE_H__
-
-#include "linux/version.h"
-#include "iochannel.h"
-#include <linux/atomic.h>
-#include <linux/semaphore.h>
-#include <linux/uuid.h>
-
-#include "controlvmchannel.h"
-#include "controlvmcompletionstatus.h"
-
-struct uisqueue_info {
- struct channel_header __iomem *chan;
- /* channel containing queues in which scsi commands &
- * responses are queued
- */
- u64 packets_sent;
- u64 packets_received;
- u64 interrupts_sent;
- u64 interrupts_received;
- u64 max_not_empty_cnt;
- u64 total_wakeup_cnt;
- u64 non_empty_wakeup_cnt;
-
- struct {
- struct signal_queue_header reserved1; /* */
- struct signal_queue_header reserved2; /* */
- } safe_uis_queue;
- unsigned int (*send_int_if_needed)(struct uisqueue_info *info,
- unsigned int whichcqueue,
- unsigned char issue_irq_if_empty,
- u64 irq_handle,
- unsigned char io_termination);
-};
-
-/* uisqueue_put_cmdrsp_with_lock_client queues a commmand or response
- * to the specified queue, at the tail if the queue is full but
- * oktowait == 0, then it return 0 indicating failure. otherwise it
- * wait for the queue to become non-full. If command is queued, return
- * 1 for success.
- */
-#define DONT_ISSUE_INTERRUPT 0
-#define ISSUE_INTERRUPT 1
-
-#define DONT_WAIT 0
-#define OK_TO_WAIT 1
-#define UISLIB_LOCK_PREFIX \
- ".section .smp_locks,\"a\"\n" \
- _ASM_ALIGN "\n" \
- _ASM_PTR "661f\n" /* address */ \
- ".previous\n" \
- "661:\n\tlock; "
-
-unsigned long long uisqueue_interlocked_or(unsigned long long __iomem *tgt,
- unsigned long long set);
-unsigned long long uisqueue_interlocked_and(unsigned long long __iomem *tgt,
- unsigned long long set);
-
-int uisqueue_put_cmdrsp_with_lock_client(struct uisqueue_info *queueinfo,
- struct uiscmdrsp *cmdrsp,
- unsigned int queue,
- void *insertlock,
- unsigned char issue_irq_if_empty,
- u64 irq_handle,
- char oktowait,
- u8 *channel_id);
-
-/* uisqueue_get_cmdrsp gets the cmdrsp entry at the head of the queue
- * and copies it to the area pointed by cmdrsp param.
- * returns 0 if queue is empty, 1 otherwise
- */
-int
-
-uisqueue_get_cmdrsp(struct uisqueue_info *queueinfo, void *cmdrsp,
- unsigned int queue);
-
-#define MAX_NAME_SIZE_UISQUEUE 64
-
-struct extport_info {
- u8 valid:1;
- /* if 1, indicates this extport slot is occupied
- * if 0, indicates that extport slot is unoccupied */
-
- u32 num_devs_using;
- /* When extport is added, this is set to 0. For exports
- * located in NETWORK switches:
- * Each time a VNIC, i.e., intport, is added to the switch this
- * is used to assign a pref_pnic for the VNIC and when assigned
- * to a VNIC this counter is incremented. When a VNIC is
- * deleted, the extport corresponding to the VNIC's pref_pnic
- * is located and its num_devs_using is decremented. For VNICs,
- * num_devs_using is basically used to load-balance transmit
- * traffic from VNICs.
- */
-
- struct switch_info *swtch;
- struct pci_id pci_id;
- char name[MAX_NAME_SIZE_UISQUEUE];
- union {
- struct vhba_wwnn wwnn;
- unsigned char macaddr[MAX_MACADDR_LEN];
- };
-};
-
-struct device_info {
- void __iomem *chanptr;
- u64 channel_addr;
- u64 channel_bytes;
- uuid_le channel_uuid;
- uuid_le instance_uuid;
- struct irq_info intr;
- struct switch_info *swtch;
- char devid[30]; /* "vbus<busno>:dev<devno>" */
- u16 polling;
- struct semaphore interrupt_callback_lock;
- u32 bus_no;
- u32 dev_no;
- int (*interrupt)(void *);
- void *interrupt_context;
- void *private_data;
- struct list_head list_polling_device_channels;
- unsigned long long moved_to_tail_cnt;
- unsigned long long first_busy_cnt;
- unsigned long long last_on_list_cnt;
-};
-
-enum switch_type {
- RECOVERY_LAN = 1,
- IB_LAN = 2
-};
-
-struct bus_info {
- u32 bus_no, device_count;
- struct device_info **device;
- u64 guest_handle, recv_bus_irq_handle;
- uuid_le bus_inst_uuid;
- struct ultra_vbus_channel_protocol __iomem *bus_channel;
- int bus_channel_bytes;
- struct proc_dir_entry *proc_dir; /* proc/uislib/vbus/<x> */
- struct proc_dir_entry *proc_info; /* proc/uislib/vbus/<x>/info */
- char name[25];
- char partition_name[99];
- struct bus_info *next;
- u8 local_vnic; /* 1 if local vnic created internally
- * by IOVM; 0 otherwise... */
-};
-
-struct sn_list_entry {
- struct uisscsi_dest pdest; /* scsi bus, target, lun for
- * phys disk */
- u8 sernum[MAX_SERIAL_NUM]; /* serial num of physical
- * disk.. The length is always
- * MAX_SERIAL_NUM, padded with
- * spaces */
- struct sn_list_entry *next;
-};
-
-/*
- * IO messages sent to UisnicControlChanFunc & UissdControlChanFunc by
- * code that processes the ControlVm channel messages.
- */
-
-enum iopart_msg_type {
- IOPART_ADD_VNIC,
- IOPART_DEL_VNIC,
- IOPART_DEL_ALL_VNICS,
- IOPART_ADD_VHBA,
- IOPART_ADD_VDISK,
- IOPART_DEL_VHBA,
- IOPART_DEL_VDISK,
- IOPART_DEL_ALL_VDISKS_FOR_VHBA,
- IOPART_DEL_ALL_VHBAS,
- IOPART_ATTACH_PHBA,
- IOPART_DETACH_PHBA, /* 10 */
- IOPART_ATTACH_PNIC,
- IOPART_DETACH_PNIC,
- IOPART_DETACH_VHBA,
- IOPART_DETACH_VNIC,
- IOPART_PAUSE_VDISK,
- IOPART_RESUME_VDISK,
- IOPART_ADD_DEVICE, /* add generic device */
- IOPART_DEL_DEVICE, /* del generic device */
-};
-
-struct add_virt_iopart {
- void *chanptr; /* pointer to data channel */
- u64 guest_handle; /* used to convert guest physical
- * address to real physical address
- * for DMA, for ex. */
- u64 recv_bus_irq_handle; /* used to register to receive
- * bus level interrupts. */
- struct irq_info intr; /* contains recv & send
- * interrupt info */
- /* recvInterruptHandle is used to register to receive
- * interrupts on the data channel. Used by GuestLinux/Windows
- * IO drivers to connect to interrupt. sendInterruptHandle is
- * used by IOPart drivers as parameter to
- * Issue_VMCALL_IO_QUEUE_TRANSITION to interrupt thread in
- * guest linux/windows IO drivers when data channel queue for
- * vhba/vnic goes from EMPTY to NON-EMPTY. */
- struct switch_info *swtch; /* pointer to the virtual
- * switch to which the vnic is
- * connected */
-
- u8 use_g2g_copy; /* Used to determine if a virtual HBA
- * needs to use G2G copy. */
- u8 filler[7];
-
- u32 bus_no;
- u32 dev_no;
- char *params;
- ulong params_bytes;
-
-};
-
-struct add_vdisk_iopart {
- void *chanptr; /* pointer to data channel */
- int implicit;
- struct uisscsi_dest vdest; /* scsi bus, target, lun for virt disk */
- struct uisscsi_dest pdest; /* scsi bus, target, lun for phys disk */
- u8 sernum[MAX_SERIAL_NUM]; /* serial num of physical disk */
- u32 serlen; /* length of serial num */
-};
-
-struct del_vdisk_iopart {
- void *chanptr; /* pointer to data channel */
- struct uisscsi_dest vdest; /* scsi bus, target, lun for virt disk */
-};
-
-struct del_virt_iopart {
- void *chanptr; /* pointer to data channel */
-};
-
-struct det_virt_iopart { /* detach internal port */
- void *chanptr; /* pointer to data channel */
- struct switch_info *swtch;
-};
-
-struct paures_vdisk_iopart {
- void *chanptr; /* pointer to data channel */
- struct uisscsi_dest vdest; /* scsi bus, target, lun for virt disk */
-};
-
-struct add_switch_iopart { /* add switch */
- struct switch_info *swtch;
- char *params;
- ulong params_bytes;
-};
-
-struct del_switch_iopart { /* destroy switch */
- struct switch_info *swtch;
-};
-
-struct io_msgs {
- enum iopart_msg_type msgtype;
-
- /* additional params needed by some messages */
- union {
- struct add_virt_iopart add_vhba;
- struct add_virt_iopart add_vnic;
- struct add_vdisk_iopart add_vdisk;
- struct del_virt_iopart del_vhba;
- struct del_virt_iopart del_vnic;
- struct det_virt_iopart det_vhba;
- struct det_virt_iopart det_vnic;
- struct del_vdisk_iopart del_vdisk;
- struct del_virt_iopart del_all_vdisks_for_vhba;
- struct add_virt_iopart add_device;
- struct del_virt_iopart del_device;
- struct det_virt_iopart det_intport;
- struct add_switch_iopart add_switch;
- struct del_switch_iopart del_switch;
- struct extport_info *ext_port; /* for attach or detach
- * pnic/generic delete all
- * vhbas/allvnics need no
- * parameters */
- struct paures_vdisk_iopart paures_vdisk;
- };
-};
-
-/*
-* Guest messages sent to VirtControlChanFunc by code that processes
-* the ControlVm channel messages.
-*/
-
-enum guestpart_msg_type {
- GUEST_ADD_VBUS,
- GUEST_ADD_VHBA,
- GUEST_ADD_VNIC,
- GUEST_DEL_VBUS,
- GUEST_DEL_VHBA,
- GUEST_DEL_VNIC,
- GUEST_DEL_ALL_VHBAS,
- GUEST_DEL_ALL_VNICS,
- GUEST_DEL_ALL_VBUSES, /* deletes all vhbas & vnics on all
- * buses and deletes all buses */
- GUEST_PAUSE_VHBA,
- GUEST_PAUSE_VNIC,
- GUEST_RESUME_VHBA,
- GUEST_RESUME_VNIC
-};
-
-struct add_vbus_guestpart {
- void __iomem *chanptr; /* pointer to data channel for bus -
- * NOT YET USED */
- u32 bus_no; /* bus number to be created/deleted */
- u32 dev_count; /* max num of devices on bus */
- uuid_le bus_uuid; /* indicates type of bus */
- uuid_le instance_uuid; /* instance guid for device */
-};
-
-struct del_vbus_guestpart {
- u32 bus_no; /* bus number to be deleted */
- /* once we start using the bus's channel, add can dump busNo
- * into the channel header and then delete will need only one
- * parameter, chanptr. */
-};
-
-struct add_virt_guestpart {
- void __iomem *chanptr; /* pointer to data channel */
- u32 bus_no; /* bus number for the operation */
- u32 device_no; /* number of device on the bus */
- uuid_le instance_uuid; /* instance guid for device */
- struct irq_info intr; /* recv/send interrupt info */
- /* recvInterruptHandle contains info needed in order to
- * register to receive interrupts on the data channel.
- * sendInterruptHandle contains handle which is provided to
- * monitor VMCALL that will cause an interrupt to be generated
- * for the other end.
- */
-};
-
-struct pause_virt_guestpart {
- void __iomem *chanptr; /* pointer to data channel */
-};
-
-struct resume_virt_guestpart {
- void __iomem *chanptr; /* pointer to data channel */
-};
-
-struct del_virt_guestpart {
- void __iomem *chanptr; /* pointer to data channel */
-};
-
-struct init_chipset_guestpart {
- u32 bus_count; /* indicates the max number of busses */
- u32 switch_count; /* indicates the max number of switches */
-};
-
-struct guest_msgs {
- enum guestpart_msg_type msgtype;
-
- /* additional params needed by messages */
- union {
- struct add_vbus_guestpart add_vbus;
- struct add_virt_guestpart add_vhba;
- struct add_virt_guestpart add_vnic;
- struct pause_virt_guestpart pause_vhba;
- struct pause_virt_guestpart pause_vnic;
- struct resume_virt_guestpart resume_vhba;
- struct resume_virt_guestpart resume_vnic;
- struct del_vbus_guestpart del_vbus;
- struct del_virt_guestpart del_vhba;
- struct del_virt_guestpart del_vnic;
- struct del_vbus_guestpart del_all_vhbas;
- struct del_vbus_guestpart del_all_vnics;
- /* del_all_vbuses needs no parameters */
- };
- struct init_chipset_guestpart init_chipset;
-
-};
-
-#endif /* __UISQUEUE_H__ */
Code Review / kvmfornfv.git / blobdiff