diff options
Diffstat (limited to 'kernel/drivers/staging/unisys/visorchannel')
6 files changed, 0 insertions, 840 deletions
diff --git a/kernel/drivers/staging/unisys/visorchannel/Kconfig b/kernel/drivers/staging/unisys/visorchannel/Kconfig deleted file mode 100644 index 8d31bebf0..000000000 --- a/kernel/drivers/staging/unisys/visorchannel/Kconfig +++ /dev/null @@ -1,10 +0,0 @@ -# -# Unisys visorchannel configuration -# - -config UNISYS_VISORCHANNEL - tristate "Unisys visorchannel driver" - select UNISYS_VISORUTIL - ---help--- - If you say Y here, you will enable the Unisys visorchannel driver. - diff --git a/kernel/drivers/staging/unisys/visorchannel/Makefile b/kernel/drivers/staging/unisys/visorchannel/Makefile deleted file mode 100644 index e079c96b1..000000000 --- a/kernel/drivers/staging/unisys/visorchannel/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# -# Makefile for Unisys visorchannel -# - -obj-$(CONFIG_UNISYS_VISORCHANNEL) += visorchannel.o - -visorchannel-y := visorchannel_main.o visorchannel_funcs.o - -ccflags-y += -Idrivers/staging/unisys/include -ccflags-y += -Idrivers/staging/unisys/common-spar/include -ccflags-y += -Idrivers/staging/unisys/common-spar/include/channels -ccflags-y += -Idrivers/staging/unisys/visorutil diff --git a/kernel/drivers/staging/unisys/visorchannel/globals.h b/kernel/drivers/staging/unisys/visorchannel/globals.h deleted file mode 100644 index 0ed8e1d80..000000000 --- a/kernel/drivers/staging/unisys/visorchannel/globals.h +++ /dev/null @@ -1,27 +0,0 @@ -/* globals.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. - */ - -#ifndef __VISORCHANNEL_GLOBALS_H__ -#define __VISORCHANNEL_GLOBALS_H__ - -#include "timskmod.h" -#include "memregion.h" -#include "version.h" - -#define MYDRVNAME "visorchannel" - -#endif diff --git a/kernel/drivers/staging/unisys/visorchannel/visorchannel.h b/kernel/drivers/staging/unisys/visorchannel/visorchannel.h deleted file mode 100644 index 63f1b9760..000000000 --- a/kernel/drivers/staging/unisys/visorchannel/visorchannel.h +++ /dev/null @@ -1,76 +0,0 @@ -/* visorchannel.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. - */ - -#ifndef __VISORCHANNEL_H__ -#define __VISORCHANNEL_H__ - -#include <linux/uuid.h> - -#include "memregion.h" -#include "channel.h" -#ifndef HOSTADDRESS -#define HOSTADDRESS u64 -#endif -#ifndef BOOL -#define BOOL int -#endif - -/* Note that for visorchannel_create() and visorchannel_create_overlapped(), - * <channel_bytes> and <guid> arguments may be 0 if we are a channel CLIENT. - * In this case, the values can simply be read from the channel header. - */ -struct visorchannel *visorchannel_create(HOSTADDRESS physaddr, - ulong channel_bytes, uuid_le guid); -struct visorchannel *visorchannel_create_overlapped(ulong channel_bytes, - struct visorchannel *parent, - ulong off, uuid_le guid); -struct visorchannel *visorchannel_create_with_lock(HOSTADDRESS physaddr, - ulong channel_bytes, - uuid_le guid); -struct visorchannel *visorchannel_create_overlapped_with_lock( - ulong channel_bytes, - struct visorchannel *parent, - ulong off, uuid_le guid); -void visorchannel_destroy(struct visorchannel *channel); -int visorchannel_read(struct visorchannel *channel, ulong offset, - void *local, ulong nbytes); -int visorchannel_write(struct visorchannel *channel, ulong offset, - void *local, ulong nbytes); -int visorchannel_clear(struct visorchannel *channel, ulong offset, - u8 ch, ulong nbytes); -BOOL visorchannel_signalremove(struct visorchannel *channel, u32 queue, - void *msg); -BOOL visorchannel_signalinsert(struct visorchannel *channel, u32 queue, - void *msg); -int visorchannel_signalqueue_slots_avail(struct visorchannel *channel, - u32 queue); -int visorchannel_signalqueue_max_slots(struct visorchannel *channel, u32 queue); -HOSTADDRESS visorchannel_get_physaddr(struct visorchannel *channel); -ulong visorchannel_get_nbytes(struct visorchannel *channel); -char *visorchannel_id(struct visorchannel *channel, char *s); -char *visorchannel_zoneid(struct visorchannel *channel, char *s); -u64 visorchannel_get_clientpartition(struct visorchannel *channel); -uuid_le visorchannel_get_uuid(struct visorchannel *channel); -struct memregion *visorchannel_get_memregion(struct visorchannel *channel); -char *visorchannel_uuid_id(uuid_le *guid, char *s); -void visorchannel_debug(struct visorchannel *channel, int num_queues, - struct seq_file *seq, u32 off); -void visorchannel_dump_section(struct visorchannel *chan, char *s, - int off, int len, struct seq_file *seq); -void __iomem *visorchannel_get_header(struct visorchannel *channel); - -#endif diff --git a/kernel/drivers/staging/unisys/visorchannel/visorchannel_funcs.c b/kernel/drivers/staging/unisys/visorchannel/visorchannel_funcs.c deleted file mode 100644 index 7a9a7242f..000000000 --- a/kernel/drivers/staging/unisys/visorchannel/visorchannel_funcs.c +++ /dev/null @@ -1,665 +0,0 @@ -/* visorchannel_funcs.c - * - * 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. - */ - -/* - * This provides Supervisor channel communication primitives, which are - * independent of the mechanism used to access the channel data. All channel - * data is accessed using the memregion abstraction. (memregion has both - * a CM2 implementation and a direct memory implementation.) - */ - -#include "globals.h" -#include "visorchannel.h" -#include <linux/uuid.h> - -#define MYDRVNAME "visorchannel" - -struct visorchannel { - struct memregion *memregion; /* from visor_memregion_create() */ - 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 */ - spinlock_t insert_lock; /* protect head writes in chan_hdr */ - spinlock_t remove_lock; /* protect tail writes in chan_hdr */ - - struct { - struct signal_queue_header req_queue; - struct signal_queue_header rsp_queue; - struct signal_queue_header event_queue; - struct signal_queue_header ack_queue; - } safe_uis_queue; -}; - -/* Creates the struct visorchannel abstraction for a data area in memory, - * but does NOT modify this data area. - */ -static struct visorchannel * -visorchannel_create_guts(HOSTADDRESS physaddr, ulong channel_bytes, - struct visorchannel *parent, ulong off, uuid_le guid, - BOOL needs_lock) -{ - struct visorchannel *p = NULL; - void *rc = NULL; - - p = kmalloc(sizeof(*p), GFP_KERNEL|__GFP_NORETRY); - if (!p) { - rc = NULL; - goto cleanup; - } - p->memregion = NULL; - p->needs_lock = needs_lock; - spin_lock_init(&p->insert_lock); - spin_lock_init(&p->remove_lock); - - /* prepare chan_hdr (abstraction to read/write channel memory) */ - if (!parent) - p->memregion = - visor_memregion_create(physaddr, - sizeof(struct channel_header)); - else - p->memregion = - visor_memregion_create_overlapped(parent->memregion, - off, sizeof(struct channel_header)); - if (!p->memregion) { - rc = NULL; - goto cleanup; - } - if (visor_memregion_read(p->memregion, 0, &p->chan_hdr, - sizeof(struct channel_header)) < 0) { - rc = NULL; - goto cleanup; - } - if (channel_bytes == 0) - /* we had better be a CLIENT of this channel */ - channel_bytes = (ulong)p->chan_hdr.size; - if (uuid_le_cmp(guid, NULL_UUID_LE) == 0) - /* we had better be a CLIENT of this channel */ - guid = p->chan_hdr.chtype; - if (visor_memregion_resize(p->memregion, channel_bytes) < 0) { - rc = NULL; - goto cleanup; - } - p->size = channel_bytes; - p->guid = guid; - - rc = p; -cleanup: - - if (!rc) { - if (!p) { - visorchannel_destroy(p); - p = NULL; - } - } - return rc; -} - -struct visorchannel * -visorchannel_create(HOSTADDRESS physaddr, ulong channel_bytes, uuid_le guid) -{ - return visorchannel_create_guts(physaddr, channel_bytes, NULL, 0, guid, - FALSE); -} -EXPORT_SYMBOL_GPL(visorchannel_create); - -struct visorchannel * -visorchannel_create_with_lock(HOSTADDRESS physaddr, ulong channel_bytes, - uuid_le guid) -{ - return visorchannel_create_guts(physaddr, channel_bytes, NULL, 0, guid, - TRUE); -} -EXPORT_SYMBOL_GPL(visorchannel_create_with_lock); - -struct visorchannel * -visorchannel_create_overlapped(ulong channel_bytes, - struct visorchannel *parent, ulong off, - uuid_le guid) -{ - return visorchannel_create_guts(0, channel_bytes, parent, off, guid, - FALSE); -} -EXPORT_SYMBOL_GPL(visorchannel_create_overlapped); - -struct visorchannel * -visorchannel_create_overlapped_with_lock(ulong channel_bytes, - struct visorchannel *parent, ulong off, - uuid_le guid) -{ - return visorchannel_create_guts(0, channel_bytes, parent, off, guid, - TRUE); -} -EXPORT_SYMBOL_GPL(visorchannel_create_overlapped_with_lock); - -void -visorchannel_destroy(struct visorchannel *channel) -{ - if (!channel) - return; - if (channel->memregion) { - visor_memregion_destroy(channel->memregion); - channel->memregion = NULL; - } - kfree(channel); -} -EXPORT_SYMBOL_GPL(visorchannel_destroy); - -HOSTADDRESS -visorchannel_get_physaddr(struct visorchannel *channel) -{ - return visor_memregion_get_physaddr(channel->memregion); -} -EXPORT_SYMBOL_GPL(visorchannel_get_physaddr); - -ulong -visorchannel_get_nbytes(struct visorchannel *channel) -{ - return channel->size; -} -EXPORT_SYMBOL_GPL(visorchannel_get_nbytes); - -char * -visorchannel_uuid_id(uuid_le *guid, char *s) -{ - sprintf(s, "%pUL", guid); - return s; -} -EXPORT_SYMBOL_GPL(visorchannel_uuid_id); - -char * -visorchannel_id(struct visorchannel *channel, char *s) -{ - return visorchannel_uuid_id(&channel->guid, s); -} -EXPORT_SYMBOL_GPL(visorchannel_id); - -char * -visorchannel_zoneid(struct visorchannel *channel, char *s) -{ - return visorchannel_uuid_id(&channel->chan_hdr.zone_uuid, s); -} -EXPORT_SYMBOL_GPL(visorchannel_zoneid); - -HOSTADDRESS -visorchannel_get_clientpartition(struct visorchannel *channel) -{ - return channel->chan_hdr.partition_handle; -} -EXPORT_SYMBOL_GPL(visorchannel_get_clientpartition); - -uuid_le -visorchannel_get_uuid(struct visorchannel *channel) -{ - return channel->guid; -} -EXPORT_SYMBOL_GPL(visorchannel_get_uuid); - -struct memregion * -visorchannel_get_memregion(struct visorchannel *channel) -{ - return channel->memregion; -} -EXPORT_SYMBOL_GPL(visorchannel_get_memregion); - -int -visorchannel_read(struct visorchannel *channel, ulong offset, - void *local, ulong nbytes) -{ - int rc = visor_memregion_read(channel->memregion, offset, - local, nbytes); - if ((rc >= 0) && (offset == 0) && - (nbytes >= sizeof(struct channel_header))) { - memcpy(&channel->chan_hdr, local, - sizeof(struct channel_header)); - } - return rc; -} -EXPORT_SYMBOL_GPL(visorchannel_read); - -int -visorchannel_write(struct visorchannel *channel, ulong offset, - void *local, ulong nbytes) -{ - if (offset == 0 && nbytes >= sizeof(struct channel_header)) - memcpy(&channel->chan_hdr, local, - sizeof(struct channel_header)); - return visor_memregion_write(channel->memregion, offset, local, nbytes); -} -EXPORT_SYMBOL_GPL(visorchannel_write); - -int -visorchannel_clear(struct visorchannel *channel, ulong offset, u8 ch, - ulong nbytes) -{ - int rc = -1; - int bufsize = 65536; - int written = 0; - u8 *buf = vmalloc(bufsize); - - if (!buf) - goto cleanup; - - memset(buf, ch, bufsize); - while (nbytes > 0) { - ulong thisbytes = bufsize; - int x = -1; - - if (nbytes < thisbytes) - thisbytes = nbytes; - x = visor_memregion_write(channel->memregion, offset + written, - buf, thisbytes); - if (x < 0) { - rc = x; - goto cleanup; - } - written += thisbytes; - nbytes -= thisbytes; - } - rc = 0; - -cleanup: - if (buf) { - vfree(buf); - buf = NULL; - } - return rc; -} -EXPORT_SYMBOL_GPL(visorchannel_clear); - -void __iomem * -visorchannel_get_header(struct visorchannel *channel) -{ - return (void __iomem *)&channel->chan_hdr; -} -EXPORT_SYMBOL_GPL(visorchannel_get_header); - -/** Return offset of a specific SIGNAL_QUEUE_HEADER from the beginning of a - * channel header - */ -#define SIG_QUEUE_OFFSET(chan_hdr, q) \ - ((chan_hdr)->ch_space_offset + \ - ((q) * sizeof(struct signal_queue_header))) - -/** Return offset of a specific queue entry (data) from the beginning of a - * channel header - */ -#define SIG_DATA_OFFSET(chan_hdr, q, sig_hdr, slot) \ - (SIG_QUEUE_OFFSET(chan_hdr, q) + (sig_hdr)->sig_base_offset + \ - ((slot) * (sig_hdr)->signal_size)) - -/** Write the contents of a specific field within a SIGNAL_QUEUE_HEADER back - * into host memory - */ -#define SIG_WRITE_FIELD(channel, queue, sig_hdr, FIELD) \ - (visor_memregion_write(channel->memregion, \ - SIG_QUEUE_OFFSET(&channel->chan_hdr, queue)+ \ - offsetof(struct signal_queue_header, FIELD),\ - &((sig_hdr)->FIELD), \ - sizeof((sig_hdr)->FIELD)) >= 0) - -static BOOL -sig_read_header(struct visorchannel *channel, u32 queue, - struct signal_queue_header *sig_hdr) -{ - BOOL rc = FALSE; - - if (channel->chan_hdr.ch_space_offset < sizeof(struct channel_header)) - goto cleanup; - - /* Read the appropriate SIGNAL_QUEUE_HEADER into local memory. */ - - if (visor_memregion_read(channel->memregion, - SIG_QUEUE_OFFSET(&channel->chan_hdr, queue), - sig_hdr, - sizeof(struct signal_queue_header)) < 0) { - goto cleanup; - } - rc = TRUE; -cleanup: - return rc; -} - -static BOOL -sig_do_data(struct visorchannel *channel, u32 queue, - struct signal_queue_header *sig_hdr, u32 slot, void *data, - BOOL is_write) -{ - BOOL rc = FALSE; - int signal_data_offset = SIG_DATA_OFFSET(&channel->chan_hdr, queue, - sig_hdr, slot); - if (is_write) { - if (visor_memregion_write(channel->memregion, - signal_data_offset, - data, sig_hdr->signal_size) < 0) { - goto cleanup; - } - } else { - if (visor_memregion_read(channel->memregion, signal_data_offset, - data, sig_hdr->signal_size) < 0) { - goto cleanup; - } - } - rc = TRUE; -cleanup: - return rc; -} - -static inline BOOL -sig_read_data(struct visorchannel *channel, u32 queue, - struct signal_queue_header *sig_hdr, u32 slot, void *data) -{ - return sig_do_data(channel, queue, sig_hdr, slot, data, FALSE); -} - -static inline BOOL -sig_write_data(struct visorchannel *channel, u32 queue, - struct signal_queue_header *sig_hdr, u32 slot, void *data) -{ - return sig_do_data(channel, queue, sig_hdr, slot, data, TRUE); -} - -static inline unsigned char -safe_sig_queue_validate(struct signal_queue_header *psafe_sqh, - struct signal_queue_header *punsafe_sqh, - u32 *phead, u32 *ptail) -{ - if ((*phead >= psafe_sqh->max_slots) || - (*ptail >= psafe_sqh->max_slots)) { - /* Choose 0 or max, maybe based on current tail value */ - *phead = 0; - *ptail = 0; - - /* Sync with client as necessary */ - punsafe_sqh->head = *phead; - punsafe_sqh->tail = *ptail; - - return 0; - } - return 1; -} /* end safe_sig_queue_validate */ - -static BOOL -signalremove_inner(struct visorchannel *channel, u32 queue, void *msg) -{ - struct signal_queue_header sig_hdr; - - if (!sig_read_header(channel, queue, &sig_hdr)) - return FALSE; - if (sig_hdr.head == sig_hdr.tail) - return FALSE; /* no signals to remove */ - - sig_hdr.tail = (sig_hdr.tail + 1) % sig_hdr.max_slots; - if (!sig_read_data(channel, queue, &sig_hdr, sig_hdr.tail, msg)) { - return FALSE; - } - sig_hdr.num_received++; - - /* For each data field in SIGNAL_QUEUE_HEADER that was modified, - * update host memory. - */ - mb(); /* required for channel synch */ - if (!SIG_WRITE_FIELD(channel, queue, &sig_hdr, tail)) - return FALSE; - if (!SIG_WRITE_FIELD(channel, queue, &sig_hdr, num_received)) - return FALSE; - return TRUE; -} - -BOOL -visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg) -{ - BOOL rc; - - if (channel->needs_lock) { - spin_lock(&channel->remove_lock); - rc = signalremove_inner(channel, queue, msg); - spin_unlock(&channel->remove_lock); - } else { - rc = signalremove_inner(channel, queue, msg); - } - - return rc; -} -EXPORT_SYMBOL_GPL(visorchannel_signalremove); - -static BOOL -signalinsert_inner(struct visorchannel *channel, u32 queue, void *msg) -{ - struct signal_queue_header sig_hdr; - - if (!sig_read_header(channel, queue, &sig_hdr)) - return FALSE; - - sig_hdr.head = ((sig_hdr.head + 1) % sig_hdr.max_slots); - if (sig_hdr.head == sig_hdr.tail) { - sig_hdr.num_overflows++; - visor_memregion_write(channel->memregion, - SIG_QUEUE_OFFSET(&channel->chan_hdr, - queue) + - offsetof(struct signal_queue_header, - num_overflows), - &(sig_hdr.num_overflows), - sizeof(sig_hdr.num_overflows)); - return FALSE; - } - - if (!sig_write_data(channel, queue, &sig_hdr, sig_hdr.head, msg)) - return FALSE; - - sig_hdr.num_sent++; - - /* For each data field in SIGNAL_QUEUE_HEADER that was modified, - * update host memory. - */ - mb(); /* required for channel synch */ - if (!SIG_WRITE_FIELD(channel, queue, &sig_hdr, head)) - return FALSE; - if (!SIG_WRITE_FIELD(channel, queue, &sig_hdr, num_sent)) { - return FALSE; - } - - return TRUE; -} - -BOOL -visorchannel_signalinsert(struct visorchannel *channel, u32 queue, void *msg) -{ - BOOL rc; - - if (channel->needs_lock) { - spin_lock(&channel->insert_lock); - rc = signalinsert_inner(channel, queue, msg); - spin_unlock(&channel->insert_lock); - } else { - rc = signalinsert_inner(channel, queue, msg); - } - - return rc; -} -EXPORT_SYMBOL_GPL(visorchannel_signalinsert); - -int -visorchannel_signalqueue_slots_avail(struct visorchannel *channel, u32 queue) -{ - struct signal_queue_header sig_hdr; - u32 slots_avail, slots_used; - u32 head, tail; - - if (!sig_read_header(channel, queue, &sig_hdr)) - return 0; - head = sig_hdr.head; - tail = sig_hdr.tail; - if (head < tail) - head = head + sig_hdr.max_slots; - slots_used = (head - tail); - slots_avail = sig_hdr.max_signals - slots_used; - return (int)slots_avail; -} -EXPORT_SYMBOL_GPL(visorchannel_signalqueue_slots_avail); - -int -visorchannel_signalqueue_max_slots(struct visorchannel *channel, u32 queue) -{ - struct signal_queue_header sig_hdr; - - if (!sig_read_header(channel, queue, &sig_hdr)) - return 0; - return (int)sig_hdr.max_signals; -} -EXPORT_SYMBOL_GPL(visorchannel_signalqueue_max_slots); - -static void -sigqueue_debug(struct signal_queue_header *q, int which, struct seq_file *seq) -{ - seq_printf(seq, "Signal Queue #%d\n", which); - seq_printf(seq, " VersionId = %lu\n", (ulong)q->version); - seq_printf(seq, " Type = %lu\n", (ulong)q->chtype); - seq_printf(seq, " oSignalBase = %llu\n", - (long long)q->sig_base_offset); - seq_printf(seq, " SignalSize = %lu\n", (ulong)q->signal_size); - seq_printf(seq, " MaxSignalSlots = %lu\n", - (ulong)q->max_slots); - seq_printf(seq, " MaxSignals = %lu\n", (ulong)q->max_signals); - seq_printf(seq, " FeatureFlags = %-16.16Lx\n", - (long long)q->features); - seq_printf(seq, " NumSignalsSent = %llu\n", - (long long)q->num_sent); - seq_printf(seq, " NumSignalsReceived = %llu\n", - (long long)q->num_received); - seq_printf(seq, " NumOverflows = %llu\n", - (long long)q->num_overflows); - seq_printf(seq, " Head = %lu\n", (ulong)q->head); - seq_printf(seq, " Tail = %lu\n", (ulong)q->tail); -} - -void -visorchannel_debug(struct visorchannel *channel, int num_queues, - struct seq_file *seq, u32 off) -{ - HOSTADDRESS addr = 0; - ulong nbytes = 0, nbytes_region = 0; - struct memregion *memregion = NULL; - struct channel_header hdr; - struct channel_header *phdr = &hdr; - int i = 0; - int errcode = 0; - - if (!channel) - return; - memregion = channel->memregion; - if (!memregion) - return; - - addr = visor_memregion_get_physaddr(memregion); - nbytes_region = visor_memregion_get_nbytes(memregion); - errcode = visorchannel_read(channel, off, - phdr, sizeof(struct channel_header)); - if (errcode < 0) { - seq_printf(seq, - "Read of channel header failed with errcode=%d)\n", - errcode); - if (off == 0) { - phdr = &channel->chan_hdr; - seq_puts(seq, "(following data may be stale)\n"); - } else { - return; - } - } - nbytes = (ulong)(phdr->size); - seq_printf(seq, "--- Begin channel @0x%-16.16Lx for 0x%lx bytes (region=0x%lx bytes) ---\n", - addr + off, nbytes, nbytes_region); - seq_printf(seq, "Type = %pUL\n", &phdr->chtype); - seq_printf(seq, "ZoneGuid = %pUL\n", &phdr->zone_uuid); - seq_printf(seq, "Signature = 0x%-16.16Lx\n", - (long long)phdr->signature); - seq_printf(seq, "LegacyState = %lu\n", (ulong)phdr->legacy_state); - seq_printf(seq, "SrvState = %lu\n", (ulong)phdr->srv_state); - seq_printf(seq, "CliStateBoot = %lu\n", (ulong)phdr->cli_state_boot); - seq_printf(seq, "CliStateOS = %lu\n", (ulong)phdr->cli_state_os); - seq_printf(seq, "HeaderSize = %lu\n", (ulong)phdr->header_size); - seq_printf(seq, "Size = %llu\n", (long long)phdr->size); - seq_printf(seq, "Features = 0x%-16.16llx\n", - (long long)phdr->features); - seq_printf(seq, "PartitionHandle = 0x%-16.16llx\n", - (long long)phdr->partition_handle); - seq_printf(seq, "Handle = 0x%-16.16llx\n", - (long long)phdr->handle); - seq_printf(seq, "VersionId = %lu\n", (ulong)phdr->version_id); - seq_printf(seq, "oChannelSpace = %llu\n", - (long long)phdr->ch_space_offset); - if ((phdr->ch_space_offset == 0) || (errcode < 0)) - ; - else - for (i = 0; i < num_queues; i++) { - struct signal_queue_header q; - - errcode = visorchannel_read(channel, - off + - phdr->ch_space_offset + - (i * sizeof(q)), - &q, sizeof(q)); - if (errcode < 0) { - seq_printf(seq, - "failed to read signal queue #%d from channel @0x%-16.16Lx errcode=%d\n", - i, addr, errcode); - continue; - } - sigqueue_debug(&q, i, seq); - } - seq_printf(seq, "--- End channel @0x%-16.16Lx for 0x%lx bytes ---\n", - addr + off, nbytes); -} -EXPORT_SYMBOL_GPL(visorchannel_debug); - -void -visorchannel_dump_section(struct visorchannel *chan, char *s, - int off, int len, struct seq_file *seq) -{ - char *buf, *tbuf, *fmtbuf; - int fmtbufsize = 0; - int i; - int errcode = 0; - - fmtbufsize = 100 * COVQ(len, 16); - buf = kmalloc(len, GFP_KERNEL|__GFP_NORETRY); - if (!buf) - return; - fmtbuf = kmalloc(fmtbufsize, GFP_KERNEL|__GFP_NORETRY); - if (!fmtbuf) - goto fmt_failed; - - errcode = visorchannel_read(chan, off, buf, len); - if (errcode < 0) - goto read_failed; - seq_printf(seq, "channel %s:\n", s); - tbuf = buf; - while (len > 0) { - i = (len < 16) ? len : 16; - hex_dump_to_buffer(tbuf, i, 16, 1, fmtbuf, fmtbufsize, TRUE); - seq_printf(seq, "%s\n", fmtbuf); - tbuf += 16; - len -= 16; - } - -read_failed: - kfree(fmtbuf); -fmt_failed: - kfree(buf); -} -EXPORT_SYMBOL_GPL(visorchannel_dump_section); diff --git a/kernel/drivers/staging/unisys/visorchannel/visorchannel_main.c b/kernel/drivers/staging/unisys/visorchannel/visorchannel_main.c deleted file mode 100644 index 787d4774b..000000000 --- a/kernel/drivers/staging/unisys/visorchannel/visorchannel_main.c +++ /dev/null @@ -1,50 +0,0 @@ -/* visorchannel_main.c - * - * 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. - */ - -/* - * This is a module "wrapper" around visorchannel_funcs. - */ - -#include "globals.h" -#include "channel.h" -#include "visorchannel.h" -#include <linux/uuid.h> - -#define MYDRVNAME "visorchannel" - -static int __init -visorchannel_init(void) -{ - if (!unisys_spar_platform) - return -ENODEV; - - return 0; -} - -static void -visorchannel_exit(void) -{ -} - -module_init(visorchannel_init); -module_exit(visorchannel_exit); - -MODULE_AUTHOR("Unisys"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Supervisor channel driver for service partition: ver " - VERSION); -MODULE_VERSION(VERSION); |