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
Jody McIntyre
Родитель
6649e92d79
Коммит
16c333a34a
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@ -24,7 +24,6 @@
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#include "nodemgr.h"
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#include "ieee1394_transactions.h"
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#define PREP_ASYNC_HEAD_ADDRESS(tc) \
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packet->tcode = tc; \
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packet->header[0] = (packet->node_id << 16) | (packet->tlabel << 10) \
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@ -32,80 +31,82 @@
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packet->header[1] = (packet->host->node_id << 16) | (addr >> 32); \
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packet->header[2] = addr & 0xffffffff
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static void fill_async_readquad(struct hpsb_packet *packet, u64 addr)
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{
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PREP_ASYNC_HEAD_ADDRESS(TCODE_READQ);
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packet->header_size = 12;
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packet->data_size = 0;
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packet->expect_response = 1;
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PREP_ASYNC_HEAD_ADDRESS(TCODE_READQ);
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packet->header_size = 12;
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packet->data_size = 0;
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packet->expect_response = 1;
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}
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static void fill_async_readblock(struct hpsb_packet *packet, u64 addr, int length)
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static void fill_async_readblock(struct hpsb_packet *packet, u64 addr,
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int length)
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{
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PREP_ASYNC_HEAD_ADDRESS(TCODE_READB);
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packet->header[3] = length << 16;
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packet->header_size = 16;
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packet->data_size = 0;
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packet->expect_response = 1;
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PREP_ASYNC_HEAD_ADDRESS(TCODE_READB);
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packet->header[3] = length << 16;
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packet->header_size = 16;
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packet->data_size = 0;
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packet->expect_response = 1;
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}
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static void fill_async_writequad(struct hpsb_packet *packet, u64 addr, quadlet_t data)
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static void fill_async_writequad(struct hpsb_packet *packet, u64 addr,
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quadlet_t data)
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{
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PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEQ);
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packet->header[3] = data;
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packet->header_size = 16;
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packet->data_size = 0;
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packet->expect_response = 1;
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PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEQ);
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packet->header[3] = data;
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packet->header_size = 16;
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packet->data_size = 0;
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packet->expect_response = 1;
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}
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static void fill_async_writeblock(struct hpsb_packet *packet, u64 addr, int length)
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static void fill_async_writeblock(struct hpsb_packet *packet, u64 addr,
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int length)
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{
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PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEB);
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packet->header[3] = length << 16;
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packet->header_size = 16;
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packet->expect_response = 1;
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packet->data_size = length + (length % 4 ? 4 - (length % 4) : 0);
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PREP_ASYNC_HEAD_ADDRESS(TCODE_WRITEB);
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packet->header[3] = length << 16;
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packet->header_size = 16;
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packet->expect_response = 1;
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packet->data_size = length + (length % 4 ? 4 - (length % 4) : 0);
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}
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static void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode,
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int length)
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int length)
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{
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PREP_ASYNC_HEAD_ADDRESS(TCODE_LOCK_REQUEST);
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packet->header[3] = (length << 16) | extcode;
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packet->header_size = 16;
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packet->data_size = length;
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packet->expect_response = 1;
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PREP_ASYNC_HEAD_ADDRESS(TCODE_LOCK_REQUEST);
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packet->header[3] = (length << 16) | extcode;
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packet->header_size = 16;
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packet->data_size = length;
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packet->expect_response = 1;
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}
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static void fill_iso_packet(struct hpsb_packet *packet, int length, int channel,
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int tag, int sync)
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int tag, int sync)
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{
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packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
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| (TCODE_ISO_DATA << 4) | sync;
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packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
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| (TCODE_ISO_DATA << 4) | sync;
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packet->header_size = 4;
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packet->data_size = length;
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packet->type = hpsb_iso;
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packet->tcode = TCODE_ISO_DATA;
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packet->header_size = 4;
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packet->data_size = length;
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packet->type = hpsb_iso;
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packet->tcode = TCODE_ISO_DATA;
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}
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static void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data)
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{
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packet->header[0] = data;
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packet->header[1] = ~data;
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packet->header_size = 8;
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packet->data_size = 0;
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packet->expect_response = 0;
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packet->type = hpsb_raw; /* No CRC added */
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packet->speed_code = IEEE1394_SPEED_100; /* Force speed to be 100Mbps */
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packet->header[0] = data;
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packet->header[1] = ~data;
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packet->header_size = 8;
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packet->data_size = 0;
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packet->expect_response = 0;
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packet->type = hpsb_raw; /* No CRC added */
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packet->speed_code = IEEE1394_SPEED_100; /* Force speed to be 100Mbps */
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}
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static void fill_async_stream_packet(struct hpsb_packet *packet, int length,
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int channel, int tag, int sync)
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{
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packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
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| (TCODE_STREAM_DATA << 4) | sync;
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| (TCODE_STREAM_DATA << 4) | sync;
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packet->header_size = 4;
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packet->data_size = length;
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@ -172,99 +173,96 @@ int hpsb_get_tlabel(struct hpsb_packet *packet)
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*/
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void hpsb_free_tlabel(struct hpsb_packet *packet)
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{
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unsigned long flags;
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unsigned long flags;
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struct hpsb_tlabel_pool *tp;
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tp = &packet->host->tpool[packet->node_id & NODE_MASK];
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BUG_ON(packet->tlabel > 63 || packet->tlabel < 0);
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spin_lock_irqsave(&tp->lock, flags);
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spin_lock_irqsave(&tp->lock, flags);
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BUG_ON(!test_and_clear_bit(packet->tlabel, tp->pool));
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spin_unlock_irqrestore(&tp->lock, flags);
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spin_unlock_irqrestore(&tp->lock, flags);
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up(&tp->count);
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}
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int hpsb_packet_success(struct hpsb_packet *packet)
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{
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switch (packet->ack_code) {
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case ACK_PENDING:
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switch ((packet->header[1] >> 12) & 0xf) {
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case RCODE_COMPLETE:
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return 0;
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case RCODE_CONFLICT_ERROR:
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return -EAGAIN;
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case RCODE_DATA_ERROR:
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return -EREMOTEIO;
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case RCODE_TYPE_ERROR:
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return -EACCES;
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case RCODE_ADDRESS_ERROR:
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return -EINVAL;
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default:
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HPSB_ERR("received reserved rcode %d from node %d",
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(packet->header[1] >> 12) & 0xf,
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packet->node_id);
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return -EAGAIN;
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}
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HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__);
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switch (packet->ack_code) {
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case ACK_PENDING:
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switch ((packet->header[1] >> 12) & 0xf) {
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case RCODE_COMPLETE:
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return 0;
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case RCODE_CONFLICT_ERROR:
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return -EAGAIN;
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case RCODE_DATA_ERROR:
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return -EREMOTEIO;
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case RCODE_TYPE_ERROR:
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return -EACCES;
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case RCODE_ADDRESS_ERROR:
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return -EINVAL;
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default:
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HPSB_ERR("received reserved rcode %d from node %d",
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(packet->header[1] >> 12) & 0xf,
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packet->node_id);
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return -EAGAIN;
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}
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HPSB_PANIC("reached unreachable code 1 in %s", __FUNCTION__);
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case ACK_BUSY_X:
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case ACK_BUSY_A:
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case ACK_BUSY_B:
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return -EBUSY;
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case ACK_BUSY_X:
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case ACK_BUSY_A:
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case ACK_BUSY_B:
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return -EBUSY;
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case ACK_TYPE_ERROR:
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return -EACCES;
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case ACK_TYPE_ERROR:
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return -EACCES;
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case ACK_COMPLETE:
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if (packet->tcode == TCODE_WRITEQ
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|| packet->tcode == TCODE_WRITEB) {
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return 0;
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} else {
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HPSB_ERR("impossible ack_complete from node %d "
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"(tcode %d)", packet->node_id, packet->tcode);
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return -EAGAIN;
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}
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case ACK_COMPLETE:
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if (packet->tcode == TCODE_WRITEQ
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|| packet->tcode == TCODE_WRITEB) {
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return 0;
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} else {
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HPSB_ERR("impossible ack_complete from node %d "
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"(tcode %d)", packet->node_id, packet->tcode);
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return -EAGAIN;
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}
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case ACK_DATA_ERROR:
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if (packet->tcode == TCODE_WRITEB
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|| packet->tcode == TCODE_LOCK_REQUEST) {
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return -EAGAIN;
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} else {
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HPSB_ERR("impossible ack_data_error from node %d "
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"(tcode %d)", packet->node_id, packet->tcode);
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return -EAGAIN;
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}
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case ACK_DATA_ERROR:
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if (packet->tcode == TCODE_WRITEB
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|| packet->tcode == TCODE_LOCK_REQUEST) {
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return -EAGAIN;
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} else {
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HPSB_ERR("impossible ack_data_error from node %d "
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"(tcode %d)", packet->node_id, packet->tcode);
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return -EAGAIN;
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}
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case ACK_ADDRESS_ERROR:
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return -EINVAL;
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case ACK_ADDRESS_ERROR:
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return -EINVAL;
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case ACK_TARDY:
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case ACK_CONFLICT_ERROR:
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case ACKX_NONE:
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case ACKX_SEND_ERROR:
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case ACKX_ABORTED:
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case ACKX_TIMEOUT:
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/* error while sending */
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return -EAGAIN;
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case ACK_TARDY:
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case ACK_CONFLICT_ERROR:
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case ACKX_NONE:
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case ACKX_SEND_ERROR:
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case ACKX_ABORTED:
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case ACKX_TIMEOUT:
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/* error while sending */
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return -EAGAIN;
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default:
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HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
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packet->ack_code, packet->node_id, packet->tcode);
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return -EAGAIN;
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}
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default:
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HPSB_ERR("got invalid ack %d from node %d (tcode %d)",
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packet->ack_code, packet->node_id, packet->tcode);
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return -EAGAIN;
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}
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HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
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HPSB_PANIC("reached unreachable code 2 in %s", __FUNCTION__);
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}
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struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
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u64 addr, size_t length)
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{
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struct hpsb_packet *packet;
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struct hpsb_packet *packet;
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if (length == 0)
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return NULL;
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@ -289,8 +287,9 @@ struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
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return packet;
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}
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struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node,
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u64 addr, quadlet_t *buffer, size_t length)
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struct hpsb_packet *hpsb_make_writepacket(struct hpsb_host *host, nodeid_t node,
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u64 addr, quadlet_t * buffer,
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size_t length)
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{
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struct hpsb_packet *packet;
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@ -301,7 +300,7 @@ struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node
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if (!packet)
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return NULL;
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if (length % 4) { /* zero padding bytes */
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if (length % 4) { /* zero padding bytes */
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packet->data[length >> 2] = 0;
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}
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packet->host = host;
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@ -323,8 +322,9 @@ struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node
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return packet;
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}
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struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, int length,
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int channel, int tag, int sync)
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struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 * buffer,
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int length, int channel, int tag,
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int sync)
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{
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struct hpsb_packet *packet;
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@ -335,7 +335,7 @@ struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, i
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if (!packet)
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return NULL;
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if (length % 4) { /* zero padding bytes */
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if (length % 4) { /* zero padding bytes */
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packet->data[length >> 2] = 0;
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}
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packet->host = host;
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@ -353,14 +353,15 @@ struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer, i
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}
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struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
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u64 addr, int extcode, quadlet_t *data,
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quadlet_t arg)
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u64 addr, int extcode,
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quadlet_t * data, quadlet_t arg)
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{
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struct hpsb_packet *p;
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u32 length;
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p = hpsb_alloc_packet(8);
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if (!p) return NULL;
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if (!p)
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return NULL;
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p->host = host;
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p->node_id = node;
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@ -389,15 +390,16 @@ struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
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return p;
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}
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struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node,
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u64 addr, int extcode, octlet_t *data,
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octlet_t arg)
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struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host,
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nodeid_t node, u64 addr, int extcode,
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octlet_t * data, octlet_t arg)
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{
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struct hpsb_packet *p;
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u32 length;
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p = hpsb_alloc_packet(16);
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if (!p) return NULL;
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if (!p)
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return NULL;
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p->host = host;
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p->node_id = node;
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@ -430,18 +432,18 @@ struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node
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return p;
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}
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struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host,
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quadlet_t data)
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struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data)
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{
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struct hpsb_packet *p;
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struct hpsb_packet *p;
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p = hpsb_alloc_packet(0);
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if (!p) return NULL;
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p = hpsb_alloc_packet(0);
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if (!p)
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return NULL;
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p->host = host;
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fill_phy_packet(p, data);
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p->host = host;
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fill_phy_packet(p, data);
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return p;
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return p;
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}
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struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
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@ -451,7 +453,8 @@ struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
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struct hpsb_packet *p;
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p = hpsb_alloc_packet(length);
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if (!p) return NULL;
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if (!p)
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return NULL;
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p->host = host;
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fill_iso_packet(p, length, channel, tag, sync);
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@ -467,47 +470,46 @@ struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
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*/
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int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
|
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u64 addr, quadlet_t *buffer, size_t length)
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u64 addr, quadlet_t * buffer, size_t length)
|
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{
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struct hpsb_packet *packet;
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int retval = 0;
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struct hpsb_packet *packet;
|
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int retval = 0;
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if (length == 0)
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return -EINVAL;
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if (length == 0)
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return -EINVAL;
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BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
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BUG_ON(in_interrupt()); // We can't be called in an interrupt, yet
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packet = hpsb_make_readpacket(host, node, addr, length);
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if (!packet) {
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return -ENOMEM;
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}
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if (!packet) {
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return -ENOMEM;
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||||
}
|
||||
|
||||
packet->generation = generation;
|
||||
retval = hpsb_send_packet_and_wait(packet);
|
||||
retval = hpsb_send_packet_and_wait(packet);
|
||||
if (retval < 0)
|
||||
goto hpsb_read_fail;
|
||||
|
||||
retval = hpsb_packet_success(packet);
|
||||
retval = hpsb_packet_success(packet);
|
||||
|
||||
if (retval == 0) {
|
||||
if (length == 4) {
|
||||
*buffer = packet->header[3];
|
||||
} else {
|
||||
memcpy(buffer, packet->data, length);
|
||||
}
|
||||
}
|
||||
if (retval == 0) {
|
||||
if (length == 4) {
|
||||
*buffer = packet->header[3];
|
||||
} else {
|
||||
memcpy(buffer, packet->data, length);
|
||||
}
|
||||
}
|
||||
|
||||
hpsb_read_fail:
|
||||
hpsb_free_tlabel(packet);
|
||||
hpsb_free_packet(packet);
|
||||
hpsb_read_fail:
|
||||
hpsb_free_tlabel(packet);
|
||||
hpsb_free_packet(packet);
|
||||
|
||||
return retval;
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
||||
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;
|
||||
int retval;
|
||||
|
|
@ -515,62 +517,61 @@ int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
|
|||
if (length == 0)
|
||||
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)
|
||||
return -ENOMEM;
|
||||
|
||||
packet->generation = generation;
|
||||
retval = hpsb_send_packet_and_wait(packet);
|
||||
retval = hpsb_send_packet_and_wait(packet);
|
||||
if (retval < 0)
|
||||
goto hpsb_write_fail;
|
||||
|
||||
retval = hpsb_packet_success(packet);
|
||||
retval = hpsb_packet_success(packet);
|
||||
|
||||
hpsb_write_fail:
|
||||
hpsb_free_tlabel(packet);
|
||||
hpsb_free_packet(packet);
|
||||
hpsb_write_fail:
|
||||
hpsb_free_tlabel(packet);
|
||||
hpsb_free_packet(packet);
|
||||
|
||||
return retval;
|
||||
return retval;
|
||||
}
|
||||
|
||||
#if 0
|
||||
|
||||
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;
|
||||
int retval = 0;
|
||||
struct hpsb_packet *packet;
|
||||
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);
|
||||
if (!packet)
|
||||
return -ENOMEM;
|
||||
if (!packet)
|
||||
return -ENOMEM;
|
||||
|
||||
packet->generation = generation;
|
||||
retval = hpsb_send_packet_and_wait(packet);
|
||||
retval = hpsb_send_packet_and_wait(packet);
|
||||
if (retval < 0)
|
||||
goto hpsb_lock_fail;
|
||||
|
||||
retval = hpsb_packet_success(packet);
|
||||
retval = hpsb_packet_success(packet);
|
||||
|
||||
if (retval == 0) {
|
||||
*data = packet->data[0];
|
||||
}
|
||||
if (retval == 0) {
|
||||
*data = packet->data[0];
|
||||
}
|
||||
|
||||
hpsb_lock_fail:
|
||||
hpsb_free_tlabel(packet);
|
||||
hpsb_free_packet(packet);
|
||||
hpsb_lock_fail:
|
||||
hpsb_free_tlabel(packet);
|
||||
hpsb_free_packet(packet);
|
||||
|
||||
return retval;
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
||||
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)
|
||||
{
|
||||
struct hpsb_packet *packet;
|
||||
|
|
@ -587,7 +588,8 @@ int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
|
|||
return -ENOMEM;
|
||||
|
||||
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);
|
||||
|
||||
|
|
@ -602,4 +604,4 @@ int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
|
|||
return retval;
|
||||
}
|
||||
|
||||
#endif /* 0 */
|
||||
#endif /* 0 */
|
||||
|
|
|
|||
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