diff options
Diffstat (limited to 'drivers/staging/unisys')
| -rw-r--r-- | drivers/staging/unisys/include/channel.h | 114 | ||||
| -rw-r--r-- | drivers/staging/unisys/include/iochannel.h | 157 | ||||
| -rw-r--r-- | drivers/staging/unisys/include/vbushelper.h | 3 | ||||
| -rw-r--r-- | drivers/staging/unisys/include/visorbus.h | 4 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/controlvmcompletionstatus.h | 24 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/periodic_work.c | 11 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/vbuschannel.h | 9 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/visorbus_main.c | 15 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/visorchannel.c | 4 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorbus/vmcallinterface.h | 34 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorhba/visorhba_main.c | 16 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorinput/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorinput/visorinput.c | 4 | ||||
| -rw-r--r-- | drivers/staging/unisys/visornic/visornic_main.c | 1 |
15 files changed, 206 insertions, 204 deletions
diff --git a/drivers/staging/unisys/include/channel.h b/drivers/staging/unisys/include/channel.h index c6c24423a7f0..5af59a5fce61 100644 --- a/drivers/staging/unisys/include/channel.h +++ b/drivers/staging/unisys/include/channel.h @@ -60,15 +60,19 @@ enum channel_clientstate { CHANNELCLI_DISABLED = 1, /* client can see channel but is NOT * allowed to use it unless given TBD * explicit request (should actually be - * < DETACHED) */ + * < DETACHED) + */ CHANNELCLI_ATTACHING = 2, /* legacy EFI client request - * for EFI server to attach */ + * for EFI server to attach + */ CHANNELCLI_ATTACHED = 3, /* idle, but client may want - * to use channel any time */ + * to use channel any time + */ CHANNELCLI_BUSY = 4, /* client either wants to use or is - * using channel */ - CHANNELCLI_OWNED = 5 /* "no worries" state - client can - * access channel anytime */ + * using channel + */ + CHANNELCLI_OWNED = 5 /* "no worries" state - client can */ + /* access channel anytime */ }; static inline const u8 * @@ -116,11 +120,13 @@ ULTRA_CHANNELCLI_STRING(u32 v) /* Values for ULTRA_CHANNEL_PROTOCOL.CliErrorBoot: */ /* throttling invalid boot channel statetransition error due to client - * disabled */ + * disabled + */ #define ULTRA_CLIERRORBOOT_THROTTLEMSG_DISABLED 0x01 /* throttling invalid boot channel statetransition error due to client - * not attached */ + * not attached + */ #define ULTRA_CLIERRORBOOT_THROTTLEMSG_NOTATTACHED 0x02 /* throttling invalid boot channel statetransition error due to busy channel */ @@ -128,24 +134,28 @@ ULTRA_CHANNELCLI_STRING(u32 v) /* Values for ULTRA_CHANNEL_PROTOCOL.CliErrorOS: */ /* throttling invalid guest OS channel statetransition error due to - * client disabled */ + * client disabled + */ #define ULTRA_CLIERROROS_THROTTLEMSG_DISABLED 0x01 /* throttling invalid guest OS channel statetransition error due to - * client not attached */ + * client not attached + */ #define ULTRA_CLIERROROS_THROTTLEMSG_NOTATTACHED 0x02 /* throttling invalid guest OS channel statetransition error due to - * busy channel */ + * busy channel + */ #define ULTRA_CLIERROROS_THROTTLEMSG_BUSY 0x04 /* Values for ULTRA_CHANNEL_PROTOCOL.Features: This define exists so -* that windows guest can look at the FeatureFlags in the io channel, -* and configure the windows driver to use interrupts or not based on -* this setting. This flag is set in uislib after the -* ULTRA_VHBA_init_channel is called. All feature bits for all -* channels should be defined here. The io channel feature bits are -* defined right here */ + * that windows guest can look at the FeatureFlags in the io channel, + * and configure the windows driver to use interrupts or not based on + * this setting. This flag is set in uislib after the + * ULTRA_VHBA_init_channel is called. All feature bits for all + * channels should be defined here. The io channel feature bits are + * defined right here + */ #define ULTRA_IO_DRIVER_ENABLES_INTS (0x1ULL << 1) #define ULTRA_IO_CHANNEL_IS_POLLING (0x1ULL << 3) #define ULTRA_IO_IOVM_IS_OK_WITH_DRIVER_DISABLING_INTS (0x1ULL << 4) @@ -156,7 +166,7 @@ ULTRA_CHANNELCLI_STRING(u32 v) struct channel_header { u64 signature; /* Signature */ u32 legacy_state; /* DEPRECATED - being replaced by */ - /* / SrvState, CliStateBoot, and CliStateOS below */ + /* SrvState, CliStateBoot, and CliStateOS below */ u32 header_size; /* sizeof(struct channel_header) */ u64 size; /* Total size of this channel in bytes */ u64 features; /* Flags to modify behavior */ @@ -169,25 +179,32 @@ struct channel_header { uuid_le zone_uuid; /* Guid of Channel's zone */ u32 cli_str_offset; /* offset from channel header to * nul-terminated ClientString (0 if - * ClientString not present) */ + * ClientString not present) + */ u32 cli_state_boot; /* CHANNEL_CLIENTSTATE of pre-boot - * EFI client of this channel */ + * EFI client of this channel + */ u32 cmd_state_cli; /* CHANNEL_COMMANDSTATE (overloaded in * Windows drivers, see ServerStateUp, - * ServerStateDown, etc) */ + * ServerStateDown, etc) + */ u32 cli_state_os; /* CHANNEL_CLIENTSTATE of Guest OS - * client of this channel */ + * client of this channel + */ u32 ch_characteristic; /* CHANNEL_CHARACTERISTIC_<xxx> */ u32 cmd_state_srv; /* CHANNEL_COMMANDSTATE (overloaded in * Windows drivers, see ServerStateUp, - * ServerStateDown, etc) */ + * ServerStateDown, etc) + */ u32 srv_state; /* CHANNEL_SERVERSTATE */ u8 cli_error_boot; /* bits to indicate err states for * boot clients, so err messages can - * be throttled */ + * be throttled + */ u8 cli_error_os; /* bits to indicate err states for OS * clients, so err messages can be - * throttled */ + * throttled + */ u8 filler[1]; /* Pad out to 128 byte cacheline */ /* Please add all new single-byte values below here */ u8 recover_channel; @@ -205,29 +222,33 @@ struct signal_queue_header { u64 features; /* Flags to modify behavior */ u64 num_sent; /* Total # of signals placed in this queue */ u64 num_overflows; /* Total # of inserts failed due to - * full queue */ + * full queue + */ u32 signal_size; /* Total size of a signal for this queue */ u32 max_slots; /* Max # of slots in queue, 1 slot is - * always empty */ + * always empty + */ u32 max_signals; /* Max # of signals in queue - * (MaxSignalSlots-1) */ + * (MaxSignalSlots-1) + */ u32 head; /* Queue head signal # */ /* 2nd cache line */ u64 num_received; /* Total # of signals removed from this queue */ - u32 tail; /* Queue tail signal # (on separate - * cache line) */ + u32 tail; /* Queue tail signal */ u32 reserved1; /* Reserved field */ u64 reserved2; /* Reserved field */ u64 client_queue; u64 num_irq_received; /* Total # of Interrupts received. This - * is incremented by the ISR in the - * guest windows driver */ + * is incremented by the ISR in the + * guest windows driver + */ u64 num_empty; /* Number of times that visor_signal_remove - * is called and returned Empty - * Status. */ + * is called and returned Empty Status. + */ u32 errorflags; /* Error bits set during SignalReinit * to denote trouble with client's - * fields */ + * fields + */ u8 filler[12]; /* Pad out to 64 byte cacheline */ } __packed; @@ -272,8 +293,7 @@ spar_check_channel_client(void __iomem *ch, return 0; } } - if (expected_min_bytes > 0) { /* caller wants us to verify - * channel size */ + if (expected_min_bytes > 0) { /* verify channel size */ unsigned long long bytes = readq(&((struct channel_header __iomem *) (ch))->size); @@ -284,8 +304,7 @@ spar_check_channel_client(void __iomem *ch, return 0; } } - if (expected_version > 0) { /* caller wants us to verify - * channel version */ + if (expected_version > 0) { /* verify channel version */ unsigned long ver = readl(&((struct channel_header __iomem *) (ch))->version_id); if (ver != expected_version) { @@ -295,8 +314,7 @@ spar_check_channel_client(void __iomem *ch, return 0; } } - if (expected_signature > 0) { /* caller wants us to verify - * channel signature */ + if (expected_signature > 0) { /* verify channel signature */ unsigned long long sig = readq(&((struct channel_header __iomem *) (ch))->signature); @@ -319,8 +337,7 @@ static inline int spar_check_channel_server(uuid_le typeuuid, char *name, u64 expected_min_bytes, u64 actual_bytes) { - if (expected_min_bytes > 0) /* caller wants us to verify - * channel size */ + if (expected_min_bytes > 0) /* verify channel size */ if (actual_bytes < expected_min_bytes) { pr_err("Channel mismatch on channel=%s(%pUL) field=size expected=0x%-8.8llx actual=0x%-8.8llx\n", name, &typeuuid, expected_min_bytes, @@ -354,7 +371,8 @@ pathname_last_n_nodes(u8 *s, unsigned int n) if (p == s) break; /* should never happen, unless someone * is changing the string while we are - * looking at it!! */ + * looking at it!! + */ if ((*p == '/') || (*p == '\\')) n--; } @@ -395,7 +413,8 @@ spar_channel_client_acquire_os(void __iomem *ch, u8 *id) if (readl(&hdr->cli_state_os) == CHANNELCLI_OWNED) { if (readb(&hdr->cli_error_os) != 0) { /* we are in an error msg throttling state; - * come out of it */ + * come out of it + */ pr_info("%s Channel OS client acquire now successful\n", id); writeb(0, &hdr->cli_error_os); @@ -404,8 +423,9 @@ spar_channel_client_acquire_os(void __iomem *ch, u8 *id) } /* We have to do it the "hard way". We transition to BUSY, - * and can use the channel iff our competitor has not also - * transitioned to BUSY. */ + * and can use the channel iff our competitor has not also + * transitioned to BUSY. + */ if (readl(&hdr->cli_state_os) != CHANNELCLI_ATTACHED) { if ((readb(&hdr->cli_error_os) & ULTRA_CLIERROROS_THROTTLEMSG_NOTATTACHED) == 0) { diff --git a/drivers/staging/unisys/include/iochannel.h b/drivers/staging/unisys/include/iochannel.h index 14e656ff73ec..162ca187a66b 100644 --- a/drivers/staging/unisys/include/iochannel.h +++ b/drivers/staging/unisys/include/iochannel.h @@ -6,7 +6,8 @@ /* * 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. */ + * used by Windows, Linux and possible EFI drivers. + */ /* * Communication flow between the IOPart and GuestPart uses the channel headers @@ -66,21 +67,15 @@ * 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 - */ -#define IOCHAN_TO_IOPART 0 /* used by ioguestpart to 'insert' signals to - * iopart */ - -#define IOCHAN_FROM_IOPART 1 /* used by ioguestpart to 'remove' signals from - * iopart - same queue as previous queue */ +/* define the two queues per data channel between iopart and ioguestparts */ +/* used by ioguestpart to 'insert' signals to iopart */ +#define IOCHAN_TO_IOPART 0 +/* used by ioguestpart to 'remove' signals from iopart, same previous queue */ +#define IOCHAN_FROM_IOPART 1 /* size of cdb - i.e., scsi cmnd */ #define MAX_CMND_SIZE 16 @@ -92,26 +87,29 @@ /* various types of network packets that can be sent in cmdrsp */ enum net_types { NET_RCV_POST = 0, /* submit buffer to hold receiving - * incoming packet */ + * incoming packet + */ /* virtnic -> uisnic */ NET_RCV, /* incoming packet received */ /* uisnic -> virtpci */ - NET_XMIT, /* for outgoing net packets */ + NET_XMIT, /* for outgoing net packets */ /* virtnic -> uisnic */ NET_XMIT_DONE, /* outgoing packet xmitted */ /* uisnic -> virtpci */ NET_RCV_ENBDIS, /* enable/disable packet reception */ /* virtnic -> uisnic */ - NET_RCV_ENBDIS_ACK, /* acknowledge enable/disable packet - * reception */ + NET_RCV_ENBDIS_ACK, /* acknowledge enable/disable packet */ + /* reception */ /* uisnic -> virtnic */ NET_RCV_PROMISC, /* enable/disable promiscuous mode */ /* virtnic -> uisnic */ NET_CONNECT_STATUS, /* indicate the loss or restoration of a network - * connection */ + * connection + */ /* uisnic -> virtnic */ NET_MACADDR, /* indicates the client has requested to update - * its MAC addr */ + * its MAC addr + */ NET_MACADDR_ACK, /* MAC address */ }; @@ -170,51 +168,43 @@ struct vhba_wwnn { } __packed; /* WARNING: Values stired in this structure must contain maximum counts (not - * maximum values). */ -struct vhba_config_max { /* 20 bytes */ - u32 max_channel; /* maximum channel for devices attached to this - * bus */ - u32 max_id; /* maximum SCSI ID for devices attached to this - * bus */ - u32 max_lun; /* maximum SCSI LUN for devices attached to this - * bus */ - u32 cmd_per_lun; /* maximum number of outstanding commands per - * lun that are allowed at one time */ - u32 max_io_size; /* maximum io size for devices attached to this - * bus */ + * maximum values). + */ +struct vhba_config_max {/* 20 bytes */ + u32 max_channel;/* maximum channel for devices attached to this bus */ + u32 max_id; /* maximum SCSI ID for devices attached to bus */ + u32 max_lun; /* maximum SCSI LUN for devices attached to bus */ + u32 cmd_per_lun;/* maximum number of outstanding commands per LUN */ + u32 max_io_size;/* maximum io size for devices attached to this 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 { - u64 handle; /* the handle to the cmd that was received - - * send it back as is in the rsp packet. */ + 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 */ - u16 guest_phys_entries; /* Number of entries in scatter-gather (sg) - * list */ + u16 guest_phys_entries; /* Number of entries in scatter-gather list */ struct guest_phys_info gpi_list[MAX_PHYS_INFO]; /* physical address * information for each - * fragment */ + * fragment + */ enum dma_data_direction data_dir; /* direction of the data, if any */ - struct uisscsi_dest vdest; /* identifies the virtual hba, id, - * channel, lun to which cmd was sent */ + struct uisscsi_dest vdest; /* identifies the virtual hba, id, */ + /* channel, lun to which cmd was sent */ - /* the following fields are needed to queue the rsp back to cmd - * originator */ - int linuxstat; /* the original Linux status - for use by linux - * vdisk code */ + /* Needed to queue the rsp back to cmd originator */ + int linuxstat; /* original Linux status used by linux vdisk */ u8 scsistat; /* the scsi status */ - u8 addlstat; /* non-scsi status - covers cases like timeout - * needed by windows guests */ + u8 addlstat; /* non-scsi status */ #define ADDL_SEL_TIMEOUT 4 /* the following fields are need to determine the result of command */ u8 sensebuf[MAX_SENSE_SIZE]; /* sense info in case cmd failed; */ /* it holds the sense_data struct; */ /* see that struct for details. */ - void *vdisk; /* contains pointer to the vdisk so that we can clean up - * when the IO completes. */ + void *vdisk; /* pointer to the vdisk to clean up when IO completes. */ int no_disk_result; /* used to return no disk inquiry result * when no_disk_result is set to 1, @@ -258,15 +248,15 @@ struct uiscmdrsp_scsi { */ #define NO_DISK_INQUIRY_RESULT_LEN 36 -#define MIN_INQUIRY_RESULT_LEN 5 /* we need at least 5 bytes minimum for inquiry - * result */ +#define MIN_INQUIRY_RESULT_LEN 5 /* 5 bytes minimum for inquiry result */ /* SCSI device version for no disk inquiry result */ #define SCSI_SPC2_VER 4 /* indicates SCSI SPC2 (SPC3 is 5) */ /* Windows and Linux want different things for a non-existent lun. So, we'll let * caller pass in the peripheral qualifier and type. - * NOTE:[4] SCSI returns (n-4); so we return length-1-4 or length-5. */ + * NOTE:[4] SCSI returns (n-4); so we return length-1-4 or length-5. + */ #define SET_NO_DISK_INQUIRY_RESULT(buf, len, lun, lun0notpresent, notpresent) \ do { \ @@ -305,9 +295,7 @@ struct uiscmdrsp_scsi { } \ } 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 @@ -342,13 +330,11 @@ struct sense_data { struct net_pkt_xmt { int len; /* full length of data in the packet */ int num_frags; /* number of fragments in frags containing data */ - struct phys_info frags[MAX_PHYS_INFO]; /* physical page information for - * each fragment */ + struct phys_info frags[MAX_PHYS_INFO]; /* physical page information */ char ethhdr[ETH_HEADER_SIZE]; /* the ethernet header */ struct { - /* these are needed for csum at uisnic end */ - u8 valid; /* 1 = rest of this struct is valid - else - * ignore */ + /* these are needed for csum at uisnic end */ + u8 valid; /* 1 = struct is valid - else ignore */ u8 hrawoffv; /* 1 = hwrafoff is valid */ u8 nhrawoffv; /* 1 = nhwrafoff is valid */ u16 protocol; /* specifies packet protocol */ @@ -380,16 +366,18 @@ struct net_pkt_xmtdone { */ #define RCVPOST_BUF_SIZE 4032 #define MAX_NET_RCV_CHAIN \ - ((ETH_MAX_MTU+ETH_HEADER_SIZE + RCVPOST_BUF_SIZE-1) / RCVPOST_BUF_SIZE) + ((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 */ - 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 */ + * to be describable + */ + struct phys_info frag; /* physical page information for the */ + /* single fragment 2K rcv buf */ + u64 unique_num; + /* unique_num ensure that receive posts are returned to */ /* the Adapter which we sent them originally. */ } __packed; @@ -399,8 +387,7 @@ struct net_pkt_rcv { u32 rcv_done_len; /* length of received data */ u8 numrcvbufs; /* number of receive buffers that contain the */ /* incoming data; guest end MUST chain these together. */ - void *rcvbuf[MAX_NET_RCV_CHAIN]; /* the list of receive buffers - * that must be chained; */ + void *rcvbuf[MAX_NET_RCV_CHAIN]; /* list of chained rcvbufs */ /* each entry is a receive buffer provided by NET_RCV_POST. */ /* NOTE: first rcvbuf in the chain will also be provided in net.buf. */ u64 unique_num; @@ -469,18 +456,17 @@ struct uiscmdrsp_scsitaskmgmt { #define TASK_MGMT_FAILED 0 } __packed; -/* The following is used by uissd to send disk add/remove notifications to - * Guest */ +/* 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 */ - void *v_hba; /* Pointer to vhba_info for channel info to - * route msg */ + void *v_hba; /* 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; @@ -533,8 +519,8 @@ struct uiscmdrsp { struct uiscmdrsp_disknotify disknotify; struct uiscmdrsp_vdiskmgmt vdiskmgmt; }; - void *private_data; /* used to send the response when the cmd is - * done (scsi & scsittaskmgmt). */ + void *private_data; /* send the response when the cmd is */ + /* 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 */ @@ -564,15 +550,11 @@ struct spar_io_channel_protocol { } __packed; #define MAX_CLIENTSTRING_LEN 1024 - u8 client_string[MAX_CLIENTSTRING_LEN];/* NULL terminated - so holds - * max - 1 bytes */ + /* client_string is NULL termimated so holds max -1 bytes */ + u8 client_string[MAX_CLIENTSTRING_LEN]; } __packed; - -/* - * 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)) @@ -584,8 +566,7 @@ struct spar_io_channel_protocol { * pfn-off-size entires. */ -/* we deal with 4K page sizes when we it comes to passing page information - * between */ +/* use 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 @@ -594,18 +575,8 @@ struct spar_io_channel_protocol { * room) */ static inline u16 -add_physinfo_entries(u32 inp_pfn, /* input - specifies the pfn to be used - * to add entries */ - u16 inp_off, /* input - specifies the off to be used - * to add entries */ - u32 inp_len, /* input - specifies the len to be used - * to add entries */ - u16 index, /* input - index in array at which new - * entries are added */ - u16 max_pi_arr_entries, /* input - specifies the maximum - * entries pi_arr can hold */ - struct phys_info pi_arr[]) /* input & output - array to - * which entries are added */ +add_physinfo_entries(u32 inp_pfn, u16 inp_off, u32 inp_len, u16 index, + u16 max_pi_arr_entries, struct phys_info pi_arr[]) { u32 len; u16 i, firstlen; diff --git a/drivers/staging/unisys/include/vbushelper.h b/drivers/staging/unisys/include/vbushelper.h index f272975b2920..f1b6aacb79d7 100644 --- a/drivers/staging/unisys/include/vbushelper.h +++ b/drivers/staging/unisys/include/vbushelper.h @@ -19,7 +19,8 @@ #define __VBUSHELPER_H__ /* TARGET_HOSTNAME specified as -DTARGET_HOSTNAME=\"thename\" on the - * command line */ + * command line + */ #define TARGET_HOSTNAME "linuxguest" diff --git a/drivers/staging/unisys/include/visorbus.h b/drivers/staging/unisys/include/visorbus.h index 9235536fa75f..2a64a9ce0208 100644 --- a/drivers/staging/unisys/include/visorbus.h +++ b/drivers/staging/unisys/include/visorbus.h @@ -140,8 +140,8 @@ struct visor_device { struct { int major, minor; void *attr; /* private use by devmajorminor_attr.c you can - * change this constant to whatever you - * want; */ + * change this constant to whatever you want + */ } devnodes[5]; /* the code will detect and behave appropriately) */ struct semaphore visordriver_callback_lock; diff --git a/drivers/staging/unisys/visorbus/Kconfig b/drivers/staging/unisys/visorbus/Kconfig index 9b299ac86015..511388075ffa 100644 --- a/drivers/staging/unisys/visorbus/Kconfig +++ b/drivers/staging/unisys/visorbus/Kconfig @@ -6,4 +6,9 @@ config UNISYS_VISORBUS tristate "Unisys visorbus driver" depends on UNISYSSPAR ---help--- - If you say Y here, you will enable the Unisys visorbus driver. + The visorbus driver is a virtualized bus for the Unisys s-Par firmware. + Virtualized devices allow Linux guests on a system to share disks and + network cards that do not have SR-IOV support, and to be accessed using + the partition desktop application. The visorbus driver is required to + discover devices on an s-Par guest, and must be present for any other + s-Par guest driver to function correctly. diff --git a/drivers/staging/unisys/visorbus/controlvmcompletionstatus.h b/drivers/staging/unisys/visorbus/controlvmcompletionstatus.h index 3c97ebac4f32..23ad0ea6c9fc 100644 --- a/drivers/staging/unisys/visorbus/controlvmcompletionstatus.h +++ b/drivers/staging/unisys/visorbus/controlvmcompletionstatus.h @@ -39,7 +39,8 @@ #define CONTROLVM_RESP_ERROR_MAX_DEVICES 202 /* DEVICE_CREATE */ /* Payload and Parameter Related------------------------------------[400-499] */ #define CONTROLVM_RESP_ERROR_PAYLOAD_INVALID 400 /* SWITCH_ATTACHEXTPORT, - * DEVICE_CONFIGURE */ + * DEVICE_CONFIGURE + */ #define CONTROLVM_RESP_ERROR_INITIATOR_PARAMETER_INVALID 401 /* Multiple */ #define CONTROLVM_RESP_ERROR_TARGET_PARAMETER_INVALID 402 /* DEVICE_CONFIGURE */ #define CONTROLVM_RESP_ERROR_CLIENT_PARAMETER_INVALID 403 /* DEVICE_CONFIGURE */ @@ -48,36 +49,43 @@ * BUS_CONFIGURE, * DEVICE_CREATE, * DEVICE_CONFIG - * DEVICE_DESTROY */ + * DEVICE_DESTROY + */ #define CONTROLVM_RESP_ERROR_DEVICE_INVALID 501 /* SWITCH_ATTACHINTPORT */ /* DEVICE_CREATE, * DEVICE_CONFIGURE, - * DEVICE_DESTROY */ + * DEVICE_DESTROY + */ #define CONTROLVM_RESP_ERROR_CHANNEL_INVALID 502 /* DEVICE_CREATE, - * DEVICE_CONFIGURE */ + * DEVICE_CONFIGURE + */ /* Partition Driver Callback Interface----------------------[600-699] */ #define CONTROLVM_RESP_ERROR_VIRTPCI_DRIVER_FAILURE 604 /* BUS_CREATE, * BUS_DESTROY, * DEVICE_CREATE, - * DEVICE_DESTROY */ + * DEVICE_DESTROY + */ /* Unable to invoke VIRTPCI callback */ #define CONTROLVM_RESP_ERROR_VIRTPCI_DRIVER_CALLBACK_ERROR 605 /* BUS_CREATE, * BUS_DESTROY, * DEVICE_CREATE, - * DEVICE_DESTROY */ + * DEVICE_DESTROY + */ /* VIRTPCI Callback returned error */ #define CONTROLVM_RESP_ERROR_GENERIC_DRIVER_CALLBACK_ERROR 606 /* SWITCH_ATTACHEXTPORT, * SWITCH_DETACHEXTPORT - * DEVICE_CONFIGURE */ + * DEVICE_CONFIGURE + */ /* generic device callback returned error */ /* Bus Related------------------------------------------------------[700-799] */ #define CONTROLVM_RESP_ERROR_BUS_DEVICE_ATTACHED 700 /* BUS_DESTROY */ /* Channel Related--------------------------------------------------[800-899] */ #define CONTROLVM_RESP_ERROR_CHANNEL_TYPE_UNKNOWN 800 /* GET_CHANNELINFO, - * DEVICE_DESTROY */ + * DEVICE_DESTROY + */ #define CONTROLVM_RESP_ERROR_CHANNEL_SIZE_TOO_SMALL 801 /* DEVICE_CREATE */ /* Chipset Shutdown Related---------------------------------------[1000-1099] */ #define CONTROLVM_RESP_ERROR_CHIPSET_SHUTDOWN_FAILED 1000 diff --git a/drivers/staging/unisys/visorbus/periodic_work.c b/drivers/staging/unisys/visorbus/periodic_work.c index 115b7aa9560a..00b152764f84 100644 --- a/drivers/staging/unisys/visorbus/periodic_work.c +++ b/drivers/staging/unisys/visorbus/periodic_work.c @@ -43,11 +43,12 @@ static void periodic_work_func(struct work_struct *work) (*pw->workfunc)(pw->workfuncarg); } -struct periodic_work *visor_periodic_work_create(ulong jiffy_interval, - struct workqueue_struct *workqueue, - void (*workfunc)(void *), - void *workfuncarg, - const char *devnam) +struct periodic_work +*visor_periodic_work_create(ulong jiffy_interval, + struct workqueue_struct *workqueue, + void (*workfunc)(void *), + void *workfuncarg, + const char *devnam) { struct periodic_work *pw; diff --git a/drivers/staging/unisys/visorbus/vbuschannel.h b/drivers/staging/unisys/visorbus/vbuschannel.h index 80e64477e547..90fa12e62f26 100644 --- a/drivers/staging/unisys/visorbus/vbuschannel.h +++ b/drivers/staging/unisys/visorbus/vbuschannel.h @@ -36,10 +36,11 @@ static const uuid_le spar_vbus_channel_protocol_uuid = #define SPAR_VBUS_CHANNEL_PROTOCOL_SIGNATURE ULTRA_CHANNEL_PROTOCOL_SIGNATURE /* Must increment this 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 SPAR_VBUS_CHANNEL_PROTOCOL_VERSIONID 1 #define SPAR_VBUS_CHANNEL_OK_CLIENT(ch) \ diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c index a272b48bab28..eac97d22278a 100644 --- a/drivers/staging/unisys/visorbus/visorbus_main.c +++ b/drivers/staging/unisys/visorbus/visorbus_main.c @@ -1078,7 +1078,8 @@ away: } /* Write the contents of <info> to the struct - * spar_vbus_channel_protocol.chp_info. */ + * spar_vbus_channel_protocol.chp_info. + */ static int write_vbus_chp_info(struct visorchannel *chan, @@ -1096,7 +1097,8 @@ write_vbus_chp_info(struct visorchannel *chan, } /* Write the contents of <info> to the struct - * spar_vbus_channel_protocol.bus_info. */ + * spar_vbus_channel_protocol.bus_info. + */ static int write_vbus_bus_info(struct visorchannel *chan, @@ -1370,7 +1372,8 @@ pause_state_change_complete(struct visor_device *dev, int status) /* Notify the chipset driver that the pause is complete, which * will presumably want to send some sort of response to the - * initiator. */ + * initiator. + */ (*chipset_responders.device_pause) (dev, status); } @@ -1390,7 +1393,8 @@ resume_state_change_complete(struct visor_device *dev, int status) /* Notify the chipset driver that the resume is complete, * which will presumably want to send some sort of response to - * the initiator. */ + * the initiator. + */ (*chipset_responders.device_resume) (dev, status); } @@ -1437,7 +1441,8 @@ initiate_chipset_device_pause_resume(struct visor_device *dev, bool is_pause) * existing problem prevents us from ever getting a bus * resume... This hack would fail to work should we * ever have a bus that contains NO devices, since we - * would never even get here in that case. */ + * would never even get here in that case. + */ fix_vbus_dev_info(dev); if (!drv->resume) goto away; diff --git a/drivers/staging/unisys/visorbus/visorchannel.c b/drivers/staging/unisys/visorbus/visorchannel.c index a4e117f101cf..891b8db7c5ec 100644 --- a/drivers/staging/unisys/visorbus/visorchannel.c +++ b/drivers/staging/unisys/visorbus/visorchannel.c @@ -41,8 +41,8 @@ struct visorchannel { struct channel_header chan_hdr; uuid_le guid; ulong size; - bool needs_lock; /* channel creator knows if more than one - * thread will be inserting or removing */ + bool needs_lock; /* channel creator knows if more than one */ + /* thread will be inserting or removing */ spinlock_t insert_lock; /* protect head writes in chan_hdr */ spinlock_t remove_lock; /* protect tail writes in chan_hdr */ diff --git a/drivers/staging/unisys/visorbus/vmcallinterface.h b/drivers/staging/unisys/visorbus/vmcallinterface.h index c8d8483bd4df..c043fa41ceda 100644 --- a/drivers/staging/unisys/visorbus/vmcallinterface.h +++ b/drivers/staging/unisys/visorbus/vmcallinterface.h @@ -43,20 +43,15 @@ enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */ * - the 0x01 identifies it as the 1st instance of a VMCALL_VIRTPART * type of VMCALL */ - - VMCALL_IO_CONTROLVM_ADDR = 0x0501, /* used by all Guests, not just - * IO */ - VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, /* Allow caller to - * query virtual time - * offset */ - VMCALL_POST_CODE_LOGEVENT = 0x070B, /* LOGEVENT Post Code (RDX) with - * specified subsystem mask (RCX - * - monitor_subsystems.h) and - * severity (RDX) */ - VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02 /* Allow - * ULTRA_SERVICE_CAPABILITY_TIME - * capable guest to make - * VMCALL */ + /* used by all Guests, not just IO */ + VMCALL_IO_CONTROLVM_ADDR = 0x0501, + /* Allow caller to query virtual time offset */ + VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, + /* LOGEVENT Post Code (RDX) with specified subsystem mask */ + /* (RCX - monitor_subsystems.h) and severity (RDX) */ + VMCALL_POST_CODE_LOGEVENT = 0x070B, + /* Allow ULTRA_SERVICE_CAPABILITY_TIME capable guest to make VMCALL */ + VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02 }; #define VMCALL_SUCCESS 0 @@ -74,7 +69,8 @@ enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */ unisys_extended_vmcall(method, param1, param2, param3) /* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently - * not used much */ + * not used much + */ #define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \ ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \ MDS_APPOS, postcode) @@ -84,11 +80,11 @@ enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */ /* Parameters to VMCALL_IO_CONTROLVM_ADDR interface */ struct vmcall_io_controlvm_addr_params { - /* The Guest-relative physical address of the ControlVm channel. - * This VMCall fills this in with the appropriate address. */ + /* The Guest-relative physical address of the ControlVm channel. */ + /* This VMCall fills this in with the appropriate address. */ u64 address; /* contents provided by this VMCALL (OUT) */ - /* the size of the ControlVm channel in bytes This VMCall fills this - * in with the appropriate address. */ + /* the size of the ControlVm channel in bytes This VMCall fills this */ + /* in with the appropriate address. */ u32 channel_bytes; /* contents provided by this VMCALL (OUT) */ u8 unused[4]; /* Unused Bytes in the 64-Bit Aligned Struct */ } __packed; diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c index c119f20dfd44..d5178b44ba8c 100644 --- a/drivers/staging/unisys/visorhba/visorhba_main.c +++ b/drivers/staging/unisys/visorhba/visorhba_main.c @@ -453,7 +453,6 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd, struct uiscmdrsp *cmdrsp; struct scsi_device *scsidev = scsicmd->device; int insert_location; - unsigned char op; unsigned char *cdb = scsicmd->cmnd; struct Scsi_Host *scsihost = scsidev->host; unsigned int i; @@ -461,7 +460,6 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd, (struct visorhba_devdata *)scsihost->hostdata; struct scatterlist *sg = NULL; struct scatterlist *sglist = NULL; - int err = 0; if (devdata->serverdown || devdata->serverchangingstate) return SCSI_MLQUEUE_DEVICE_BUSY; @@ -496,10 +494,8 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd, if (cmdrsp->scsi.bufflen > devdata->max_buff_len) devdata->max_buff_len = cmdrsp->scsi.bufflen; - if (scsi_sg_count(scsicmd) > MAX_PHYS_INFO) { - err = SCSI_MLQUEUE_DEVICE_BUSY; + if (scsi_sg_count(scsicmd) > MAX_PHYS_INFO) goto err_del_scsipending_ent; - } /* convert buffer to phys information */ /* buffer is scatterlist - copy it out */ @@ -511,19 +507,17 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd, } cmdrsp->scsi.guest_phys_entries = scsi_sg_count(scsicmd); - op = cdb[0]; if (!visorchannel_signalinsert(devdata->dev->visorchannel, IOCHAN_TO_IOPART, - cmdrsp)) { + cmdrsp)) /* queue must be full and we aren't going to wait */ - err = SCSI_MLQUEUE_DEVICE_BUSY; goto err_del_scsipending_ent; - } + return 0; err_del_scsipending_ent: del_scsipending_ent(devdata, insert_location); - return err; + return SCSI_MLQUEUE_DEVICE_BUSY; } /** @@ -759,11 +753,9 @@ do_scsi_linuxstat(struct uiscmdrsp *cmdrsp, struct scsi_cmnd *scsicmd) struct visorhba_devdata *devdata; struct visordisk_info *vdisk; struct scsi_device *scsidev; - struct sense_data *sd; scsidev = scsicmd->device; memcpy(scsicmd->sense_buffer, cmdrsp->scsi.sensebuf, MAX_SENSE_SIZE); - sd = (struct sense_data *)scsicmd->sense_buffer; /* Do not log errors for disk-not-present inquiries */ if ((cmdrsp->scsi.cmnd[0] == INQUIRY) && diff --git a/drivers/staging/unisys/visorinput/Kconfig b/drivers/staging/unisys/visorinput/Kconfig index d83deb4137e8..3476d419d32c 100644 --- a/drivers/staging/unisys/visorinput/Kconfig +++ b/drivers/staging/unisys/visorinput/Kconfig @@ -6,5 +6,10 @@ config UNISYS_VISORINPUT tristate "Unisys visorinput driver" depends on UNISYSSPAR && UNISYS_VISORBUS && FB ---help--- - If you say Y here, you will enable the Unisys visorinput driver. + The Unisys s-Par visorinput driver provides a virtualized system + console (keyboard and mouse) that is accessible through the + s-Par firmware's user interface. s-Par provides video using the EFI + GOP protocol, so If this driver is not present, the Linux guest should + still boot with visible output in the partition desktop, but keyboard + and mouse interaction will not be available. diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c index 5c16f6634368..38d4d5b884df 100644 --- a/drivers/staging/unisys/visorinput/visorinput.c +++ b/drivers/staging/unisys/visorinput/visorinput.c @@ -523,7 +523,7 @@ visorinput_channel_interrupt(struct visor_device *dev) struct ultra_inputreport r; int scancode, keycode; struct input_dev *visorinput_dev; - int xmotion, ymotion, zmotion, button; + int xmotion, ymotion, button; int i; struct visorinput_devdata *devdata = dev_get_drvdata(&dev->device); @@ -604,12 +604,10 @@ visorinput_channel_interrupt(struct visor_device *dev) } break; case inputaction_wheel_rotate_away: - zmotion = r.activity.arg1; input_report_rel(visorinput_dev, REL_WHEEL, 1); input_sync(visorinput_dev); break; case inputaction_wheel_rotate_toward: - zmotion = r.activity.arg1; input_report_rel(visorinput_dev, REL_WHEEL, -1); input_sync(visorinput_dev); break; diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index 296b11cea247..05194707278a 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -1742,7 +1742,6 @@ poll_for_irq(unsigned long v) atomic_set(&devdata->interrupt_rcvd, 0); mod_timer(&devdata->irq_poll_timer, msecs_to_jiffies(2)); - } /** |