#define __IOCHANNEL_H__
/*
-* Everything needed for IOPart-GuestPart communication is define in
-* this file. Note: Everything is OS-independent because this file is
-* used by Windows, Linux and possible EFI drivers. */
+ * Everything needed for IOPart-GuestPart communication is define in
+ * this file. Note: Everything is OS-independent because this file is
+ * used by Windows, Linux and possible EFI drivers. */
/*
-* Communication flow between the IOPart and GuestPart uses the channel headers
-* channel state. The following states are currently being used:
-* UNINIT(All Zeroes), CHANNEL_ATTACHING, CHANNEL_ATTACHED, CHANNEL_OPENED
-*
-* additional states will be used later. No locking is needed to switch between
-* states due to the following rules:
-*
-* 1. IOPart is only the only partition allowed to change from UNIT
-* 2. IOPart is only the only partition allowed to change from
-* CHANNEL_ATTACHING
-* 3. GuestPart is only the only partition allowed to change from
-* CHANNEL_ATTACHED
-*
-* The state changes are the following: IOPart sees the channel is in UNINIT,
-* UNINIT -> CHANNEL_ATTACHING (performed only by IOPart)
-* CHANNEL_ATTACHING -> CHANNEL_ATTACHED (performed only by IOPart)
-* CHANNEL_ATTACHED -> CHANNEL_OPENED (performed only by GuestPart)
-*/
+ * Communication flow between the IOPart and GuestPart uses the channel headers
+ * channel state. The following states are currently being used:
+ * UNINIT(All Zeroes), CHANNEL_ATTACHING, CHANNEL_ATTACHED, CHANNEL_OPENED
+ *
+ * additional states will be used later. No locking is needed to switch between
+ * states due to the following rules:
+ *
+ * 1. IOPart is only the only partition allowed to change from UNIT
+ * 2. IOPart is only the only partition allowed to change from
+ * CHANNEL_ATTACHING
+ * 3. GuestPart is only the only partition allowed to change from
+ * CHANNEL_ATTACHED
+ *
+ * The state changes are the following: IOPart sees the channel is in UNINIT,
+ * UNINIT -> CHANNEL_ATTACHING (performed only by IOPart)
+ * CHANNEL_ATTACHING -> CHANNEL_ATTACHED (performed only by IOPart)
+ * CHANNEL_ATTACHED -> CHANNEL_OPENED (performed only by GuestPart)
+ */
#include <linux/uuid.h>
-#include "vmcallinterface.h"
-
-#define _ULTRA_CONTROLVM_CHANNEL_INLINE_
#include <linux/dma-direction.h>
-#include "controlvmchannel.h"
-#include "vbuschannel.h"
-#undef _ULTRA_CONTROLVM_CHANNEL_INLINE_
#include "channel.h"
-
-/*
- * CHANNEL Guids
- */
-
#include "channel_guid.h"
#define ULTRA_VHBA_CHANNEL_PROTOCOL_SIGNATURE ULTRA_CHANNEL_PROTOCOL_SIGNATURE
ULTRA_CHANNEL_PROTOCOL_SIGNATURE
/* Must increment these whenever you insert or delete fields within this channel
-* struct. Also increment whenever you change the meaning of fields within this
-* channel struct so as to break pre-existing software. Note that you can
-* usually add fields to the END of the channel struct withOUT needing to
-* increment this. */
+ * struct. Also increment whenever you change the meaning of fields within this
+ * channel struct so as to break pre-existing software. Note that you can
+ * usually add fields to the END of the channel struct withOUT needing to
+ * increment this.
+ */
#define ULTRA_VHBA_CHANNEL_PROTOCOL_VERSIONID 2
#define ULTRA_VNIC_CHANNEL_PROTOCOL_VERSIONID 2
#define ULTRA_VSWITCH_CHANNEL_PROTOCOL_VERSIONID 1
ULTRA_VNIC_CHANNEL_PROTOCOL_SIGNATURE))
/*
-* Everything necessary to handle SCSI & NIC traffic between Guest Partition and
-* IO Partition is defined below. */
+ * Everything necessary to handle SCSI & NIC traffic between Guest Partition and
+ * IO Partition is defined below.
+ */
/*
-* Defines and enums.
-*/
+ * Defines and enums.
+ */
#define MINNUM(a, b) (((a) < (b)) ? (a) : (b))
#define MAXNUM(a, b) (((a) > (b)) ? (a) : (b))
/* these define the two queues per data channel between iopart and
- * ioguestparts */
+ * ioguestparts
+ */
#define IOCHAN_TO_IOPART 0 /* used by ioguestpart to 'insert' signals to
* iopart */
-#define IOCHAN_FROM_GUESTPART 0 /* used by iopart to 'remove' signals from
- * ioguestpart - same queue as previous queue */
-#define IOCHAN_TO_GUESTPART 1 /* used by iopart to 'insert' signals to
- * ioguestpart */
#define IOCHAN_FROM_IOPART 1 /* used by ioguestpart to 'remove' signals from
* iopart - same queue as previous queue */
-/* these define the two queues per control channel between controlpart and "its"
- * guests, which includes the iopart */
-#define CTRLCHAN_TO_CTRLGUESTPART 0 /* used by ctrlguestpart to 'insert' signals
- * to ctrlpart */
-#define CTLRCHAN_FROM_CTRLPART 0 /* used by ctrlpart to 'remove' signals from
- * ctrlquestpart - same queue as previous
- * queue */
-
-#define CTRLCHAN_TO_CTRLPART 1 /* used by ctrlpart to 'insert' signals to
- * ctrlguestpart */
-#define CTRLCHAN_FROM_CTRLGUESTPART 1 /* used by ctrguestpart to 'remove'
- * signals from ctrlpart - same queue as
- * previous queue */
-
-/* these define the Event & Ack queues per control channel Events are generated
-* by CTRLGUESTPART and sent to CTRLPART; Acks are generated by CTRLPART and sent
-* to CTRLGUESTPART. */
-#define CTRLCHAN_EVENT_TO_CTRLPART 2 /* used by ctrlguestpart to 'insert' Events
- * to ctrlpart */
-#define CTRLCHAN_EVENT_FROM_CTRLGUESTPART 2 /* used by ctrlpart to 'remove'
- * Events from ctrlguestpart */
-
-#define CTRLCHAN_ACK_TO_CTRLGUESTPART 3 /* used by ctrlpart to 'insert' Acks to
- * ctrlguestpart */
-#define CTRLCHAN_ACK_FROM_CTRLPART 3 /* used by ctrlguestpart to 'remove' Events
- * from ctrlpart */
-
/* size of cdb - i.e., scsi cmnd */
#define MAX_CMND_SIZE 16
#define MAX_PHYS_INFO 64
-/* Because GuestToGuestCopy is limited to 4KiB segments, and we have limited the
-* Emulex Driver to 256 scatter list segments via the lpfc_sg_seg_cnt parameter
-* to 256, the maximum I/O size is limited to 256 * 4 KiB = 1 MB */
-#define MAX_IO_SIZE (1024*1024) /* 1 MB */
-
-/* NOTE 1: lpfc defines its support for segments in
-* #define LPFC_SG_SEG_CNT 64
-*
-* NOTE 2: In Linux, frags array in skb is currently allocated to be
-* MAX_SKB_FRAGS size, which is 18 which is smaller than MAX_PHYS_INFO for
-* now. */
-
-#ifndef MAX_SERIAL_NUM
-#define MAX_SERIAL_NUM 32
-#endif /* MAX_SERIAL_NUM */
-
-#define MAX_SCSI_BUSES 1
-#define MAX_SCSI_TARGETS 8
-#define MAX_SCSI_LUNS 16
-#define MAX_SCSI_FROM_HOST 0xFFFFFFFF /* Indicator to use Physical HBA
- * SCSI Host value */
-
/* various types of network packets that can be sent in cmdrsp */
enum net_types {
NET_RCV_POST = 0, /* submit buffer to hold receiving
/* uisnic -> virtnic */
NET_MACADDR, /* indicates the client has requested to update
* its MAC addr */
- NET_MACADDR_ACK, /* MAC address */
+ NET_MACADDR_ACK, /* MAC address */
};
#define ETH_MIN_DATA_SIZE 46 /* minimum eth data size */
#define ETH_MIN_PACKET_SIZE (ETH_HEADER_SIZE + ETH_MIN_DATA_SIZE)
-#define ETH_DEF_DATA_SIZE 1500 /* default data size */
-#define ETH_DEF_PACKET_SIZE (ETH_HEADER_SIZE + ETH_DEF_DATA_SIZE)
-
#define ETH_MAX_MTU 16384 /* maximum data size */
#ifndef MAX_MACADDR_LEN
#define MAX_MACADDR_LEN 6 /* number of bytes in MAC address */
#endif /* MAX_MACADDR_LEN */
-#define ETH_IS_LOCALLY_ADMINISTERED(address) \
- (((u8 *)(address))[0] & ((u8)0x02))
-#define NIC_VENDOR_ID 0x0008000B
-
/* various types of scsi task mgmt commands */
enum task_mgmt_types {
TASK_MGMT_ABORT_TASK = 1,
VDISK_MGMT_RELEASE,
};
-/* this is used in the vdest field */
-#define VDEST_ALL 0xFFFF
+struct phys_info {
+ u64 pi_pfn;
+ u16 pi_off;
+ u16 pi_len;
+} __packed;
#define MIN_NUMSIGNALS 64
-#define MAX_NUMSIGNALS 4096
-/* MAX_NET_RCV_BUF specifies the number of rcv buffers that are created by each
-* guest's virtnic and posted to uisnic. Uisnic, for each channel, keeps the rcv
-* buffers posted and uses them to receive data on behalf of the guest's virtnic.
-* NOTE: the num_rcv_bufs is configurable for each VNIC. So the following is
-* simply an upperlimit on what each VNIC can provide. Setting it to half of the
-* NUMSIGNALS to prevent queue full deadlocks */
-#define MAX_NET_RCV_BUFS (MIN_NUMSIGNALS / 2)
-
-/*
- * structs with pragma pack */
-
-/* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */
-/* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */
-
-#pragma pack(push, 1)
+/* structs with pragma pack */
struct guest_phys_info {
u64 address;
u64 length;
-};
+} __packed;
#define GPI_ENTRIES_PER_PAGE (PAGE_SIZE / sizeof(struct guest_phys_info))
u32 channel; /* channel == bus number */
u32 id; /* id == target number */
u32 lun; /* lun == logical unit number */
-};
+} __packed;
struct vhba_wwnn {
u32 wwnn1;
u32 wwnn2;
-};
+} __packed;
/* WARNING: Values stired in this structure must contain maximum counts (not
* maximum values). */
* bus */
/* max io size is often determined by the resource of the hba. e.g */
/* max scatter gather list length * page size / sector size */
-};
+} __packed;
struct uiscmdrsp_scsi {
- void *scsicmd; /* the handle to the cmd that was received -
+ u64 handle; /* the handle to the cmd that was received -
* send it back as is in the rsp packet. */
u8 cmnd[MAX_CMND_SIZE]; /* the cdb for the command */
u32 bufflen; /* length of data to be transferred out or in */
u8 scsistat; /* the scsi status */
u8 addlstat; /* non-scsi status - covers cases like timeout
* needed by windows guests */
-#define ADDL_RESET 1
-#define ADDL_TIMEOUT 2
-#define ADDL_INTERNAL_ERROR 3
#define ADDL_SEL_TIMEOUT 4
-#define ADDL_CMD_TIMEOUT 5
-#define ADDL_BAD_TARGET 6
-#define ADDL_RETRY 7
/* the following fields are need to determine the result of command */
u8 sensebuf[MAX_SENSE_SIZE]; /* sense info in case cmd failed; */
/* see that struct for details. */
void *vdisk; /* contains pointer to the vdisk so that we can clean up
* when the IO completes. */
- int no_disk_result; /* used to return no disk inquiry result */
- /* when no_disk_result is set to 1, */
- /* scsi.scsistat is SAM_STAT_GOOD */
- /* scsi.addlstat is 0 */
- /* scsi.linuxstat is SAM_STAT_GOOD */
- /* That is, there is NO error. */
-};
-
-/*
-* Defines to support sending correct inquiry result when no disk is
-* configured. */
+ int no_disk_result;
+ /* used to return no disk inquiry result
+ * when no_disk_result is set to 1,
+ * scsi.scsistat is SAM_STAT_GOOD
+ * scsi.addlstat is 0
+ * scsi.linuxstat is SAM_STAT_GOOD
+ * That is, there is NO error.
+ */
+} __packed;
+
+/* Defines to support sending correct inquiry result when no disk is
+ * configured.
+ */
/* From SCSI SPC2 -
*
*connected to this logical unit.
*/
-#define DEV_NOT_PRESENT 0x7f /* old name - compatibility */
#define DEV_NOT_CAPABLE 0x7f /* peripheral qualifier of 0x3 */
- /* peripheral type of 0x1f */
- /* specifies no device but target present */
+ /* peripheral type of 0x1f */
+ /* specifies no device but target present */
#define DEV_DISK_CAPABLE_NOT_PRESENT 0x20 /* peripheral qualifier of 0x1 */
/* peripheral type of 0 - disk */
/* specifies device capable, but not present */
-#define DEV_PROC_CAPABLE_NOT_PRESENT 0x23 /* peripheral qualifier of 0x1 */
- /* peripheral type of 3 - processor */
- /* specifies device capable, but not present */
-
#define DEV_HISUPPORT 0x10 /* HiSup = 1; shows support for report luns */
- /* must be returned for lun 0. */
+ /* must be returned for lun 0. */
/* NOTE: Linux code assumes inquiry contains 36 bytes. Without checking length
-* in buf[4] some linux code accesses bytes beyond 5 to retrieve vendor, product
-* & revision. Yikes! So let us always send back 36 bytes, the minimum for
-* inquiry result. */
+ * in buf[4] some linux code accesses bytes beyond 5 to retrieve vendor, product
+ * & revision. Yikes! So let us always send back 36 bytes, the minimum for
+ * inquiry result.
+ */
#define NO_DISK_INQUIRY_RESULT_LEN 36
#define MIN_INQUIRY_RESULT_LEN 5 /* we need at least 5 bytes minimum for inquiry
} while (0)
/*
-* Struct & Defines to support sense information.
-*/
+ * Struct & Defines to support sense information.
+ */
/* The following struct is returned in sensebuf field in uiscmdrsp_scsi. It is
-* initialized in exactly the manner that is recommended in Windows (hence the
-* odd values).
-* When set, these fields will have the following values:
-* ErrorCode = 0x70 indicates current error
-* Valid = 1 indicates sense info is valid
-* SenseKey contains sense key as defined by SCSI specs.
-* AdditionalSenseCode contains sense key as defined by SCSI specs.
-* AdditionalSenseCodeQualifier contains qualifier to sense code as defined by
-* scsi docs.
-* AdditionalSenseLength contains will be sizeof(sense_data)-8=10.
-*/
+ * initialized in exactly the manner that is recommended in Windows (hence the
+ * odd values).
+ * When set, these fields will have the following values:
+ * ErrorCode = 0x70 indicates current error
+ * Valid = 1 indicates sense info is valid
+ * SenseKey contains sense key as defined by SCSI specs.
+ * AdditionalSenseCode contains sense key as defined by SCSI specs.
+ * AdditionalSenseCodeQualifier contains qualifier to sense code as defined by
+ * scsi docs.
+ * AdditionalSenseLength contains will be sizeof(sense_data)-8=10.
+ */
struct sense_data {
u8 errorcode:7;
u8 valid:1;
u8 additional_sense_code_qualifier;
u8 fru_code;
u8 sense_key_specific[3];
-};
-
-/* some SCSI ADSENSE codes */
-#ifndef SCSI_ADSENSE_LUN_NOT_READY
-#define SCSI_ADSENSE_LUN_NOT_READY 0x04
-#endif /* */
-#ifndef SCSI_ADSENSE_ILLEGAL_COMMAND
-#define SCSI_ADSENSE_ILLEGAL_COMMAND 0x20
-#endif /* */
-#ifndef SCSI_ADSENSE_ILLEGAL_BLOCK
-#endif /* */
-#ifndef SCSI_ADSENSE_ILLEGAL_BLOCK
-#define SCSI_ADSENSE_ILLEGAL_BLOCK 0x21
-#endif /* */
-#ifndef SCSI_ADSENSE_INVALID_CDB
-#define SCSI_ADSENSE_INVALID_CDB 0x24
-#endif /* */
-#ifndef SCSI_ADSENSE_INVALID_LUN
-#define SCSI_ADSENSE_INVALID_LUN 0x25
-#endif /* */
-#ifndef SCSI_ADWRITE_PROTECT
-#define SCSI_ADWRITE_PROTECT 0x27
-#endif /* */
-#ifndef SCSI_ADSENSE_MEDIUM_CHANGED
-#define SCSI_ADSENSE_MEDIUM_CHANGED 0x28
-#endif /* */
-#ifndef SCSI_ADSENSE_BUS_RESET
-#define SCSI_ADSENSE_BUS_RESET 0x29
-#endif /* */
-#ifndef SCSI_ADSENSE_NO_MEDIA_IN_DEVICE
-#define SCSI_ADSENSE_NO_MEDIA_IN_DEVICE 0x3a
-#endif /* */
+} __packed;
struct net_pkt_xmt {
int len; /* full length of data in the packet */
* guest memory to get to the header. uisnic needs ethhdr to
* determine how to route the packet.
*/
-};
+} __packed;
struct net_pkt_xmtdone {
u32 xmt_done_result; /* result of NET_XMIT */
-#define XMIT_SUCCESS 0
-#define XMIT_FAILED 1
-};
+} __packed;
/* RCVPOST_BUF_SIZe must be at most page_size(4096) - cache_line_size (64) The
-* reason is because dev_skb_alloc which is used to generate RCV_POST skbs in
-* virtnic requires that there is "overhead" in the buffer, and pads 16 bytes. I
-* prefer to use 1 full cache line size for "overhead" so that transfers are
-* better. IOVM requires that a buffer be represented by 1 phys_info structure
-* which can only cover page_size. */
+ * reason is because dev_skb_alloc which is used to generate RCV_POST skbs in
+ * virtnic requires that there is "overhead" in the buffer, and pads 16 bytes. I
+ * prefer to use 1 full cache line size for "overhead" so that transfers are
+ * better. IOVM requires that a buffer be represented by 1 phys_info structure
+ * which can only cover page_size.
+ */
#define RCVPOST_BUF_SIZE 4032
#define MAX_NET_RCV_CHAIN \
((ETH_MAX_MTU+ETH_HEADER_SIZE + RCVPOST_BUF_SIZE-1) / RCVPOST_BUF_SIZE)
struct net_pkt_rcvpost {
/* rcv buf size must be large enough to include ethernet data len +
- * ethernet header len - we are choosing 2K because it is guaranteed
- * to be describable */
+ * ethernet header len - we are choosing 2K because it is guaranteed
+ * to be describable */
struct phys_info frag; /* physical page information for the
* single fragment 2K rcv buf */
u64 unique_num; /* This is used to make sure that
* receive posts are returned to */
- /* the Adapter which sent them origonally. */
-};
+ /* the Adapter which we sent them originally. */
+} __packed;
struct net_pkt_rcv {
/* the number of receive buffers that can be chained */
/* NOTE: first rcvbuf in the chain will also be provided in net.buf. */
u64 unique_num;
u32 rcvs_dropped_delta;
-};
+} __packed;
struct net_pkt_enbdis {
void *context;
u16 enable; /* 1 = enable, 0 = disable */
-};
+} __packed;
struct net_pkt_macaddr {
void *context;
u8 macaddr[MAX_MACADDR_LEN]; /* 6 bytes */
-};
+} __packed;
/* cmd rsp packet used for VNIC network traffic */
struct uiscmdrsp_net {
enum net_types type;
void *buf;
union {
- struct net_pkt_xmt xmt; /* used for NET_XMIT */
+ struct net_pkt_xmt xmt; /* used for NET_XMIT */
struct net_pkt_xmtdone xmtdone; /* used for NET_XMIT_DONE */
struct net_pkt_rcvpost rcvpost; /* used for NET_RCV_POST */
- struct net_pkt_rcv rcv; /* used for NET_RCV */
+ struct net_pkt_rcv rcv; /* used for NET_RCV */
struct net_pkt_enbdis enbdis; /* used for NET_RCV_ENBDIS, */
- /* NET_RCV_ENBDIS_ACK, */
- /* NET_RCV_PROMSIC, */
- /* and NET_CONNECT_STATUS */
+ /* NET_RCV_ENBDIS_ACK, */
+ /* NET_RCV_PROMSIC, */
+ /* and NET_CONNECT_STATUS */
struct net_pkt_macaddr macaddr;
};
-};
+} __packed;
struct uiscmdrsp_scsitaskmgmt {
enum task_mgmt_types tasktype;
struct uisscsi_dest vdest;
/* the vdisk for which this task mgmt is generated */
- void *scsicmd;
+ u64 handle;
- /* This is some handle that the guest has saved off for its own use.
- * Its value is preserved by iopart & returned as is in the task mgmt
- * rsp. */
- void *notify;
+ /* This is a handle that the guest has saved off for its own use.
+ * Its value is preserved by iopart & returned as is in the task
+ * mgmt rsp.
+ */
+ u64 notify_handle;
- /* For linux guests, this is a pointer to wait_queue_head that a
+ /* For linux guests, this is a pointer to wait_queue_head that a
* thread is waiting on to see if the taskmgmt command has completed.
- * For windows guests, this is a pointer to a location that a waiting
- * thread is testing to see if the taskmgmt command has completed.
* When the rsp is received by guest, the thread receiving the
* response uses this to notify the thread waiting for taskmgmt
* command completion. Its value is preserved by iopart & returned
- * as is in the task mgmt rsp. */
- void *notifyresult;
+ * as is in the task mgmt rsp.
+ */
+ u64 notifyresult_handle;
/* this is a handle to location in guest where the result of the
- * taskmgmt command (result field) is to saved off when the response
- * is handled. Its value is preserved by iopart & returned as is in
- * the task mgmt rsp. */
+ * taskmgmt command (result field) is to saved off when the response
+ * is handled. Its value is preserved by iopart & returned as is in
+ * the task mgmt rsp.
+ */
char result;
/* result of taskmgmt command - set by IOPart - values are: */
#define TASK_MGMT_FAILED 0
-#define TASK_MGMT_SUCCESS 1
-};
+} __packed;
/* The following is used by uissd to send disk add/remove notifications to
* Guest */
/* Note that the vHba pointer is not used by the Client/Guest side. */
struct uiscmdrsp_disknotify {
- u8 add; /* 0-remove, 1-add */
+ u8 add; /* 0-remove, 1-add */
void *v_hba; /* Pointer to vhba_info for channel info to
* route msg */
u32 channel, id, lun; /* SCSI Path of Disk to added or removed */
-};
+} __packed;
/* The following is used by virthba/vSCSI to send the Acquire/Release commands
-* to the IOVM. */
+ * to the IOVM. */
struct uiscmdrsp_vdiskmgmt {
enum vdisk_mgmt_types vdisktype;
struct uisscsi_dest vdest;
/* the vdisk for which this task mgmt is generated */
- void *scsicmd;
+ u64 handle;
- /* This is some handle that the guest has saved off for its own use.
- * Its value is preserved by iopart & returned as is in the task mgmt
- * rsp. */
- void *notify;
+ /* This is a handle that the guest has saved off for its own use.
+ * Its value is preserved by iopart & returned as is in the task
+ * mgmt rsp.
+ */
+ u64 notify_handle;
/* For linux guests, this is a pointer to wait_queue_head that a
- * thread is waiting on to see if the taskmgmt command has completed.
- * For windows guests, this is a pointer to a location that a waiting
- * thread is testing to see if the taskmgmt command has completed.
- * When the rsp is received by guest, the thread receiving the
- * response uses this to notify the thread waiting for taskmgmt
- * command completion. Its value is preserved by iopart & returned
- * as is in the task mgmt rsp. */
- void *notifyresult;
+ * thread is waiting on to see if the tskmgmt command has completed.
+ * When the rsp is received by guest, the thread receiving the
+ * response uses this to notify the thread waiting for taskmgmt
+ * command completion. Its value is preserved by iopart & returned
+ * as is in the task mgmt rsp.
+ */
+ u64 notifyresult_handle;
/* this is a handle to location in guest where the result of the
- * taskmgmt command (result field) is to saved off when the response
- * is handled. Its value is preserved by iopart & returned as is in
- * the task mgmt rsp. */
+ * taskmgmt command (result field) is to saved off when the response
+ * is handled. Its value is preserved by iopart & returned as is in
+ * the task mgmt rsp.
+ */
char result;
/* result of taskmgmt command - set by IOPart - values are: */
#define VDISK_MGMT_FAILED 0
-#define VDISK_MGMT_SUCCESS 1
-};
+} __packed;
/* keeping cmd & rsp info in one structure for now cmd rsp packet for scsi */
struct uiscmdrsp {
char cmdtype;
- /* describes what type of information is in the struct */
+/* describes what type of information is in the struct */
#define CMD_SCSI_TYPE 1
#define CMD_NET_TYPE 2
#define CMD_SCSITASKMGMT_TYPE 3
struct uiscmdrsp_vdiskmgmt vdiskmgmt;
};
void *private_data; /* used to send the response when the cmd is
- * done (scsi & scsittaskmgmt). */
+ * done (scsi & scsittaskmgmt). */
struct uiscmdrsp *next; /* General Purpose Queue Link */
struct uiscmdrsp *activeQ_next; /* Used to track active commands */
- struct uiscmdrsp *activeQ_prev; /* Used to track active commands */
-};
-
+ struct uiscmdrsp *activeQ_prev; /* Used to track active commands */
+} __packed;
+
+struct iochannel_vhba {
+ struct vhba_wwnn wwnn; /* 8 bytes */
+ struct vhba_config_max max; /* 20 bytes */
+} __packed; /* total = 28 bytes */
+struct iochannel_vnic {
+ u8 macaddr[6]; /* 6 bytes */
+ u32 num_rcv_bufs; /* 4 bytes */
+ u32 mtu; /* 4 bytes */
+ uuid_le zone_uuid; /* 16 bytes */
+} __packed;
/* This is just the header of the IO channel. It is assumed that directly after
-* this header there is a large region of memory which contains the command and
-* response queues as specified in cmd_q and rsp_q SIGNAL_QUEUE_HEADERS. */
+ * this header there is a large region of memory which contains the command and
+ * response queues as specified in cmd_q and rsp_q SIGNAL_QUEUE_HEADERS.
+ */
struct spar_io_channel_protocol {
struct channel_header channel_header;
struct signal_queue_header cmd_q;
struct signal_queue_header rsp_q;
union {
- struct {
- struct vhba_wwnn wwnn; /* 8 bytes */
- struct vhba_config_max max; /* 20 bytes */
- } vhba; /* 28 */
- struct {
- u8 macaddr[MAX_MACADDR_LEN]; /* 6 bytes */
- u32 num_rcv_bufs; /* 4 */
- u32 mtu; /* 4 */
- uuid_le zone_uuid; /* 16 */
- } vnic; /* total 30 */
- };
+ struct iochannel_vhba vhba;
+ struct iochannel_vnic vnic;
+ } __packed;
#define MAX_CLIENTSTRING_LEN 1024
u8 client_string[MAX_CLIENTSTRING_LEN];/* NULL terminated - so holds
* max - 1 bytes */
-};
+} __packed;
-#pragma pack(pop)
-/* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */
-
-/* define offsets to members of struct uiscmdrsp */
-#define OFFSET_CMDTYPE offsetof(struct uiscmdrsp, cmdtype)
-#define OFFSET_SCSI offsetof(struct uiscmdrsp, scsi)
-#define OFFSET_NET offsetof(struct uiscmdrsp, net)
-#define OFFSET_SCSITASKMGMT offsetof(struct uiscmdrsp, scsitaskmgmt)
-#define OFFSET_NEXT offsetof(struct uiscmdrsp, next)
-
-/* define offsets to members of struct uiscmdrsp_net */
-#define OFFSET_TYPE offsetof(struct uiscmdrsp_net, type)
-#define OFFSET_BUF offsetof(struct uiscmdrsp_net, buf)
-#define OFFSET_XMT offsetof(struct uiscmdrsp_net, xmt)
-#define OFFSET_XMT_DONE_RESULT offsetof(struct uiscmdrsp_net, xmtdone)
-#define OFFSET_RCVPOST offsetof(struct uiscmdrsp_net, rcvpost)
-#define OFFSET_RCV_DONE_LEN offsetof(struct uiscmdrsp_net, rcv)
-#define OFFSET_ENBDIS offsetof(struct uiscmdrsp_net, enbdis)
-
-/* define offsets to members of struct net_pkt_rcvpost */
-#define OFFSET_TOTALLEN offsetof(struct net_pkt_rcvpost, totallen)
-#define OFFSET_FRAG offsetof(struct net_pkt_rcvpost, frag)
/*
-* INLINE functions for initializing and accessing I/O data channels
-*/
+ * INLINE functions for initializing and accessing I/O data channels
+ */
#define SIZEOF_PROTOCOL (COVER(sizeof(struct spar_io_channel_protocol), 64))
#define SIZEOF_CMDRSP (COVER(sizeof(struct uiscmdrsp), 64))
2 * MIN_NUMSIGNALS * SIZEOF_CMDRSP, 4096)
/*
-* INLINE function for expanding a guest's pfn-off-size into multiple 4K page
-* pfn-off-size entires.
-*/
+ * INLINE function for expanding a guest's pfn-off-size into multiple 4K page
+ * pfn-off-size entires.
+ */
/* we deal with 4K page sizes when we it comes to passing page information
* between */
/* Guest and IOPartition. */
#define PI_PAGE_SIZE 0x1000
#define PI_PAGE_MASK 0x0FFF
-#define PI_PAGE_SHIFT 12
/* returns next non-zero index on success or zero on failure (i.e. out of
* room)
Code Review / kvmfornfv.git / blobdiff