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ieee1394/ieee1394_transactions: LIndent fixes 

This patch contains fixes by LIndent.

Signed-off-by: Jens-Michael Hoffmann <jensmh@gmx.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>
This commit is contained in:
Jens-Michael Hoffmann 2005-11-22 12:34:16 -05:00 committed by Jody McIntyre
parent 6649e92d79
commit 16c333a34a
1 changed files with 187 additions and 185 deletions
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372
drivers/ieee1394/ieee1394_transactions.c
View File

@ -24,7 +24,6 @@
#include "nodemgr.h" #include "nodemgr.h"
#include "ieee1394_transactions.h" #include "ieee1394_transactions.h"
#define PREP_ASYNC_HEAD_ADDRESS(tc) \ #define PREP_ASYNC_HEAD_ADDRESS(tc) \
packet->tcode = tc; \ packet->tcode = tc; \
packet->header[0] = (packet->node_id << 16) | (packet->tlabel << 10) \ packet->header[0] = (packet->node_id << 16) | (packet->tlabel << 10) \
@ -32,80 +31,82 @@
packet->header[1] = (packet->host->node_id << 16) | (addr >> 32); \ packet->header[1] = (packet->host->node_id << 16) | (addr >> 32); \
packet->header[2] = addr & 0xffffffff packet->header[2] = addr & 0xffffffff
static void fill_async_readquad(struct hpsb_packet *packet, u64 addr) static void fill_async_readquad(struct hpsb_packet *packet, u64 addr)
{ {
PREP_ASYNC_HEAD_ADDRESS(TCODE_READQ); PREP_ASYNC_HEAD_ADDRESS(TCODE_READQ);
packet->header_size = 12; packet->header_size = 12;
packet->data_size = 0; packet->data_size = 0;
packet->expect_response = 1; packet->expect_response = 1;
} }
static void fill_async_readblock(struct hpsb_packet *packet, u64 addr, int length) static void fill_async_readblock(struct hpsb_packet *packet, u64 addr,
int length)
{ {
PREP_ASYNC_HEAD_ADDRESS(TCODE_READB); PREP_ASYNC_HEAD_ADDRESS(TCODE_READB);
packet->header[3] = length << 16; packet->header[3] = length << 16;
packet->header_size = 16; packet->header_size = 16;
packet->data_size = 0; packet->data_size = 0;
packet->expect_response = 1; packet->expect_response = 1;
} }
static void fill_async_writequad(struct hpsb_packet *packet, u64 addr, quadlet_t data) static void fill_async_writequad(struct hpsb_packet *packet, u64 addr,
quadlet_t data)
{ {
PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEQ); PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEQ);
packet->header[3] = data; packet->header[3] = data;
packet->header_size = 16; packet->header_size = 16;
packet->data_size = 0; packet->data_size = 0;
packet->expect_response = 1; packet->expect_response = 1;
} }
static void fill_async_writeblock(struct hpsb_packet *packet, u64 addr, int length) static void fill_async_writeblock(struct hpsb_packet *packet, u64 addr,
int length)
{ {
PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEB); PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEB);
packet->header[3] = length << 16; packet->header[3] = length << 16;
packet->header_size = 16; packet->header_size = 16;
packet->expect_response = 1; packet->expect_response = 1;
packet->data_size = length + (length % 4 ? 4 - (length % 4) : 0); packet->data_size = length + (length % 4 ? 4 - (length % 4) : 0);
} }
static void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode, static void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode,
int length) int length)
{ {
PREP_ASYNC_HEAD_ADDRESS(TCODE_LOCK_REQUEST); PREP_ASYNC_HEAD_ADDRESS(TCODE_LOCK_REQUEST);
packet->header[3] = (length << 16) | extcode; packet->header[3] = (length << 16) | extcode;
packet->header_size = 16; packet->header_size = 16;
packet->data_size = length; packet->data_size = length;
packet->expect_response = 1; packet->expect_response = 1;
} }
static void fill_iso_packet(struct hpsb_packet *packet, int length, int channel, static void fill_iso_packet(struct hpsb_packet *packet, int length, int channel,
int tag, int sync) int tag, int sync)
{ {
packet->header[0] = (length << 16) | (tag << 14) | (channel << 8) packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
| (TCODE_ISO_DATA << 4) | sync; | (TCODE_ISO_DATA << 4) | sync;
packet->header_size = 4; packet->header_size = 4;
packet->data_size = length; packet->data_size = length;
packet->type = hpsb_iso; packet->type = hpsb_iso;
packet->tcode = TCODE_ISO_DATA; packet->tcode = TCODE_ISO_DATA;
} }
static void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data) static void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data)
{ {
packet->header[0] = data; packet->header[0] = data;
packet->header[1] = ~data; packet->header[1] = ~data;
packet->header_size = 8; packet->header_size = 8;
packet->data_size = 0; packet->data_size = 0;
packet->expect_response = 0; packet->expect_response = 0;
packet->type = hpsb_raw; /* No CRC added */ packet->type = hpsb_raw; /* No CRC added */
packet->speed_code = IEEE1394_SPEED_100; /* Force speed to be 100Mbps */ packet->speed_code = IEEE1394_SPEED_100; /* Force speed to be 100Mbps */
} }
static void fill_async_stream_packet(struct hpsb_packet *packet, int length, static void fill_async_stream_packet(struct hpsb_packet *packet, int length,
int channel, int tag, int sync) int channel, int tag, int sync)
{ {
packet->header[0] = (length << 16) | (tag << 14) | (channel << 8) packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
| (TCODE_STREAM_DATA << 4) | sync; | (TCODE_STREAM_DATA << 4) | sync;
packet->header_size = 4; packet->header_size = 4;
packet->data_size = length; packet->data_size = length;
@ -172,99 +173,96 @@ int hpsb_get_tlabel(struct hpsb_packet *packet)
*/ */
void hpsb_free_tlabel(struct hpsb_packet *packet) void hpsb_free_tlabel(struct hpsb_packet *packet)
{ {
unsigned long flags; unsigned long flags;
struct hpsb_tlabel_pool *tp; struct hpsb_tlabel_pool *tp;
tp = &packet->host->tpool[packet->node_id & NODE_MASK]; tp = &packet->host->tpool[packet->node_id & NODE_MASK];
BUG_ON(packet->tlabel > 63 || packet->tlabel < 0); BUG_ON(packet->tlabel > 63 || packet->tlabel < 0);
spin_lock_irqsave(&tp->lock, flags); spin_lock_irqsave(&tp->lock, flags);
BUG_ON(!test_and_clear_bit(packet->tlabel, tp->pool)); BUG_ON(!test_and_clear_bit(packet->tlabel, tp->pool));
spin_unlock_irqrestore(&tp->lock, flags); spin_unlock_irqrestore(&tp->lock, flags);
up(&tp->count); up(&tp->count);
} }
int hpsb_packet_success(struct hpsb_packet *packet) int hpsb_packet_success(struct hpsb_packet *packet)
{ {
switch (packet->ack_code) { switch (packet->ack_code) {
case ACK_PENDING: case ACK_PENDING:
switch ((packet->header[1] >> 12) & 0xf) { switch ((packet->header[1] >> 12) & 0xf) {
case RCODE_COMPLETE: case RCODE_COMPLETE:
return 0; return 0;
case RCODE_CONFLICT_ERROR: case RCODE_CONFLICT_ERROR:
return -EAGAIN; return -EAGAIN;
case RCODE_DATA_ERROR: case RCODE_DATA_ERROR:
return -EREMOTEIO; return -EREMOTEIO;
case RCODE_TYPE_ERROR: case RCODE_TYPE_ERROR:
return -EACCES; return -EACCES;
case RCODE_ADDRESS_ERROR: case RCODE_ADDRESS_ERROR:
return -EINVAL; return -EINVAL;
default: default:
HPSB_ERR("received reserved rcode %d from node %d", HPSB_ERR("received reserved rcode %d from node %d",
(packet->header[1] >> 12) & 0xf, (packet->header[1] >> 12) & 0xf,
packet->node_id); packet->node_id);
return -EAGAIN; return -EAGAIN;
} }
HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__); HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__);
case ACK_BUSY_X: case ACK_BUSY_X:
case ACK_BUSY_A: case ACK_BUSY_A:
case ACK_BUSY_B: case ACK_BUSY_B:
return -EBUSY; return -EBUSY;
case ACK_TYPE_ERROR: case ACK_TYPE_ERROR:
return -EACCES; return -EACCES;
case ACK_COMPLETE: case ACK_COMPLETE:
if (packet->tcode == TCODE_WRITEQ if (packet->tcode == TCODE_WRITEQ
|| packet->tcode == TCODE_WRITEB) { || packet->tcode == TCODE_WRITEB) {
return 0; return 0;
} else { } else {
HPSB_ERR("impossible ack_complete from node %d " HPSB_ERR("impossible ack_complete from node %d "
"(tcode %d)", packet->node_id, packet->tcode); "(tcode %d)", packet->node_id, packet->tcode);
return -EAGAIN; return -EAGAIN;
} }
case ACK_DATA_ERROR:
if (packet->tcode == TCODE_WRITEB
|| packet->tcode == TCODE_LOCK_REQUEST) {
return -EAGAIN;
} else {
HPSB_ERR("impossible ack_data_error from node %d "
"(tcode %d)", packet->node_id, packet->tcode);
return -EAGAIN;
}
case ACK_DATA_ERROR: case ACK_ADDRESS_ERROR:
if (packet->tcode == TCODE_WRITEB return -EINVAL;
|| packet->tcode == TCODE_LOCK_REQUEST) {
return -EAGAIN;
} else {
HPSB_ERR("impossible ack_data_error from node %d "
"(tcode %d)", packet->node_id, packet->tcode);
return -EAGAIN;
}
case ACK_ADDRESS_ERROR: case ACK_TARDY:
return -EINVAL; case ACK_CONFLICT_ERROR:
case ACKX_NONE:
case ACKX_SEND_ERROR:
case ACKX_ABORTED:
case ACKX_TIMEOUT:
/* error while sending */
return -EAGAIN;
case ACK_TARDY: default:
case ACK_CONFLICT_ERROR: HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
case ACKX_NONE: packet->ack_code, packet->node_id, packet->tcode);
case ACKX_SEND_ERROR: return -EAGAIN;
case ACKX_ABORTED: }
case ACKX_TIMEOUT:
/* error while sending */
return -EAGAIN;
default: HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
packet->ack_code, packet->node_id, packet->tcode);
return -EAGAIN;
}
HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
} }
struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node, struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
u64 addr, size_t length) u64 addr, size_t length)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
if (length == 0) if (length == 0)
return NULL; return NULL;
@ -289,8 +287,9 @@ struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
return packet; return packet;
} }
struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node, struct hpsb_packet *hpsb_make_writepacket(struct hpsb_host *host, nodeid_t node,
u64 addr, quadlet_t *buffer, size_t length) u64 addr, quadlet_t * buffer,
size_t length)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
@ -301,7 +300,7 @@ struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node
if (!packet) if (!packet)
return NULL; return NULL;
if (length % 4) { /* zero padding bytes */ if (length % 4) { /* zero padding bytes */
packet->data[length >> 2] = 0; packet->data[length >> 2] = 0;
} }
packet->host = host; packet->host = host;
@ -323,8 +322,9 @@ struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node
return packet; return packet;
} }
struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, int length, struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 * buffer,
int channel, int tag, int sync) int length, int channel, int tag,
int sync)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
@ -335,7 +335,7 @@ struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, i
if (!packet) if (!packet)
return NULL; return NULL;
if (length % 4) { /* zero padding bytes */ if (length % 4) { /* zero padding bytes */
packet->data[length >> 2] = 0; packet->data[length >> 2] = 0;
} }
packet->host = host; packet->host = host;
@ -353,14 +353,15 @@ struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, i
} }
struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node, struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
u64 addr, int extcode, quadlet_t *data, u64 addr, int extcode,
quadlet_t arg) quadlet_t * data, quadlet_t arg)
{ {
struct hpsb_packet *p; struct hpsb_packet *p;
u32 length; u32 length;
p = hpsb_alloc_packet(8); p = hpsb_alloc_packet(8);
if (!p) return NULL; if (!p)
return NULL;
p->host = host; p->host = host;
p->node_id = node; p->node_id = node;
@ -389,15 +390,16 @@ struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
return p; return p;
} }
struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node, struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host,
u64 addr, int extcode, octlet_t *data, nodeid_t node, u64 addr, int extcode,
octlet_t arg) octlet_t * data, octlet_t arg)
{ {
struct hpsb_packet *p; struct hpsb_packet *p;
u32 length; u32 length;
p = hpsb_alloc_packet(16); p = hpsb_alloc_packet(16);
if (!p) return NULL; if (!p)
return NULL;
p->host = host; p->host = host;
p->node_id = node; p->node_id = node;
@ -430,18 +432,18 @@ struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node
return p; return p;
} }
struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data)
quadlet_t data)
{ {
struct hpsb_packet *p; struct hpsb_packet *p;
p = hpsb_alloc_packet(0); p = hpsb_alloc_packet(0);
if (!p) return NULL; if (!p)
return NULL;
p->host = host; p->host = host;
fill_phy_packet(p, data); fill_phy_packet(p, data);
return p; return p;
} }
struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host, struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
@ -451,7 +453,8 @@ struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
struct hpsb_packet *p; struct hpsb_packet *p;
p = hpsb_alloc_packet(length); p = hpsb_alloc_packet(length);
if (!p) return NULL; if (!p)
return NULL;
p->host = host; p->host = host;
fill_iso_packet(p, length, channel, tag, sync); fill_iso_packet(p, length, channel, tag, sync);
@ -467,47 +470,46 @@ struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
*/ */
int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation, int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
u64 addr, quadlet_t *buffer, size_t length) u64 addr, quadlet_t * buffer, size_t length)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
int retval = 0; int retval = 0;
if (length == 0) if (length == 0)
return -EINVAL; return -EINVAL;
BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
packet = hpsb_make_readpacket(host, node, addr, length); packet = hpsb_make_readpacket(host, node, addr, length);
if (!packet) { if (!packet) {
return -ENOMEM; return -ENOMEM;
} }
packet->generation = generation; packet->generation = generation;
retval = hpsb_send_packet_and_wait(packet); retval = hpsb_send_packet_and_wait(packet);
if (retval < 0) if (retval < 0)
goto hpsb_read_fail; goto hpsb_read_fail;
retval = hpsb_packet_success(packet); retval = hpsb_packet_success(packet);
if (retval == 0) { if (retval == 0) {
if (length == 4) { if (length == 4) {
*buffer = packet->header[3]; *buffer = packet->header[3];
} else { } else {
memcpy(buffer, packet->data, length); memcpy(buffer, packet->data, length);
} }
} }
hpsb_read_fail: hpsb_read_fail:
hpsb_free_tlabel(packet); hpsb_free_tlabel(packet);
hpsb_free_packet(packet); hpsb_free_packet(packet);
return retval; return retval;
} }
int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation, int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
u64 addr, quadlet_t *buffer, size_t length) u64 addr, quadlet_t * buffer, size_t length)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
int retval; int retval;
@ -515,62 +517,61 @@ int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
if (length == 0) if (length == 0)
return -EINVAL; return -EINVAL;
BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
packet = hpsb_make_writepacket (host, node, addr, buffer, length); packet = hpsb_make_writepacket(host, node, addr, buffer, length);
if (!packet) if (!packet)
return -ENOMEM; return -ENOMEM;
packet->generation = generation; packet->generation = generation;
retval = hpsb_send_packet_and_wait(packet); retval = hpsb_send_packet_and_wait(packet);
if (retval < 0) if (retval < 0)
goto hpsb_write_fail; goto hpsb_write_fail;
retval = hpsb_packet_success(packet); retval = hpsb_packet_success(packet);
hpsb_write_fail: hpsb_write_fail:
hpsb_free_tlabel(packet); hpsb_free_tlabel(packet);
hpsb_free_packet(packet); hpsb_free_packet(packet);
return retval; return retval;
} }
#if 0 #if 0
int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation, int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
u64 addr, int extcode, quadlet_t *data, quadlet_t arg) u64 addr, int extcode, quadlet_t * data, quadlet_t arg)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
int retval = 0; int retval = 0;
BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
packet = hpsb_make_lockpacket(host, node, addr, extcode, data, arg); packet = hpsb_make_lockpacket(host, node, addr, extcode, data, arg);
if (!packet) if (!packet)
return -ENOMEM; return -ENOMEM;
packet->generation = generation; packet->generation = generation;
retval = hpsb_send_packet_and_wait(packet); retval = hpsb_send_packet_and_wait(packet);
if (retval < 0) if (retval < 0)
goto hpsb_lock_fail; goto hpsb_lock_fail;
retval = hpsb_packet_success(packet); retval = hpsb_packet_success(packet);
if (retval == 0) { if (retval == 0) {
*data = packet->data[0]; *data = packet->data[0];
} }
hpsb_lock_fail: hpsb_lock_fail:
hpsb_free_tlabel(packet); hpsb_free_tlabel(packet);
hpsb_free_packet(packet); hpsb_free_packet(packet);
return retval; return retval;
} }
int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation, int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
quadlet_t *buffer, size_t length, u32 specifier_id, quadlet_t * buffer, size_t length, u32 specifier_id,
unsigned int version) unsigned int version)
{ {
struct hpsb_packet *packet; struct hpsb_packet *packet;
@ -587,7 +588,8 @@ int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
return -ENOMEM; return -ENOMEM;
packet->data[0] = cpu_to_be32((host->node_id << 16) | specifier_id_hi); packet->data[0] = cpu_to_be32((host->node_id << 16) | specifier_id_hi);
packet->data[1] = cpu_to_be32((specifier_id_lo << 24) | (version & 0x00ffffff)); packet->data[1] =
cpu_to_be32((specifier_id_lo << 24) | (version & 0x00ffffff));
memcpy(&(packet->data[2]), buffer, length - 8); memcpy(&(packet->data[2]), buffer, length - 8);
@ -602,4 +604,4 @@ int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
return retval; return retval;
} }
#endif /* 0 */ #endif /* 0 */