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Diffstat (limited to 'drivers/staging/unisys/include/uisqueue.h')
| -rw-r--r-- | drivers/staging/unisys/include/uisqueue.h | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/drivers/staging/unisys/include/uisqueue.h b/drivers/staging/unisys/include/uisqueue.h deleted file mode 100644 index 08ba16ea840e..000000000000 --- a/drivers/staging/unisys/include/uisqueue.h +++ /dev/null @@ -1,396 +0,0 @@ -/* 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__ */ |