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path: root/drivers/scsi/aacraid/aachba.c
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Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
-rw-r--r--drivers/scsi/aacraid/aachba.c320
1 files changed, 266 insertions, 54 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 7df2dd1d2c6..681434e2dfe 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
- * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
+ * Copyright (c) 2000-2010 Adaptec, Inc.
+ * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* 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
@@ -33,6 +34,7 @@
#include <linux/blkdev.h>
#include <asm/uaccess.h>
#include <linux/highmem.h> /* For flush_kernel_dcache_page */
+#include <linux/module.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -130,9 +132,13 @@ struct inquiry_data {
* M O D U L E G L O B A L S
*/
-static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
-static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
-static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
+static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
+static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
+static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
+static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
+ struct aac_raw_io2 *rio2, int sg_max);
+static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
+ int pages, int nseg, int nseg_new);
static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
#ifdef AAC_DETAILED_STATUS_INFO
static char *aac_get_status_string(u32 status);
@@ -149,7 +155,15 @@ int aac_msi;
int aac_commit = -1;
int startup_timeout = 180;
int aif_timeout = 120;
+int aac_sync_mode; /* Only Sync. transfer - disabled */
+int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
+module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
+ " 0=off, 1=on");
+module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
+ " 0=off, 1=on");
module_param(nondasd, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
" 0=off, 1=on");
@@ -746,8 +760,8 @@ char * get_container_type(unsigned tindex)
* Arguments: [1] pointer to void [1] int
*
* Purpose: Sets SCSI inquiry data strings for vendor, product
- * and revision level. Allows strings to be set in platform dependant
- * files instead of in OS dependant driver source.
+ * and revision level. Allows strings to be set in platform dependent
+ * files instead of in OS dependent driver source.
*/
static void setinqstr(struct aac_dev *dev, void *data, int tindex)
@@ -957,25 +971,50 @@ static void io_callback(void *context, struct fib * fibptr);
static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
- u16 fibsize;
- struct aac_raw_io *readcmd;
+ struct aac_dev *dev = fib->dev;
+ u16 fibsize, command;
+ long ret;
+
aac_fib_init(fib);
- readcmd = (struct aac_raw_io *) fib_data(fib);
- readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
- readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
- readcmd->count = cpu_to_le32(count<<9);
- readcmd->cid = cpu_to_le16(scmd_id(cmd));
- readcmd->flags = cpu_to_le16(IO_TYPE_READ);
- readcmd->bpTotal = 0;
- readcmd->bpComplete = 0;
+ if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
+ struct aac_raw_io2 *readcmd2;
+ readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
+ memset(readcmd2, 0, sizeof(struct aac_raw_io2));
+ readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
+ readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ readcmd2->byteCount = cpu_to_le32(count<<9);
+ readcmd2->cid = cpu_to_le16(scmd_id(cmd));
+ readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
+ ret = aac_build_sgraw2(cmd, readcmd2,
+ dev->scsi_host_ptr->sg_tablesize);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo2;
+ fibsize = sizeof(struct aac_raw_io2) +
+ ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
+ } else {
+ struct aac_raw_io *readcmd;
+ readcmd = (struct aac_raw_io *) fib_data(fib);
+ readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
+ readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ readcmd->count = cpu_to_le32(count<<9);
+ readcmd->cid = cpu_to_le16(scmd_id(cmd));
+ readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
+ readcmd->bpTotal = 0;
+ readcmd->bpComplete = 0;
+ ret = aac_build_sgraw(cmd, &readcmd->sg);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo;
+ fibsize = sizeof(struct aac_raw_io) +
+ ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
+ }
- aac_build_sgraw(cmd, &readcmd->sg);
- fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
- return aac_fib_send(ContainerRawIo,
+ return aac_fib_send(command,
fib,
fibsize,
FsaNormal,
@@ -988,6 +1027,8 @@ static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u
{
u16 fibsize;
struct aac_read64 *readcmd;
+ long ret;
+
aac_fib_init(fib);
readcmd = (struct aac_read64 *) fib_data(fib);
readcmd->command = cpu_to_le32(VM_CtHostRead64);
@@ -997,7 +1038,9 @@ static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u
readcmd->pad = 0;
readcmd->flags = 0;
- aac_build_sg64(cmd, &readcmd->sg);
+ ret = aac_build_sg64(cmd, &readcmd->sg);
+ if (ret < 0)
+ return ret;
fibsize = sizeof(struct aac_read64) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry64));
@@ -1019,6 +1062,8 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32
{
u16 fibsize;
struct aac_read *readcmd;
+ long ret;
+
aac_fib_init(fib);
readcmd = (struct aac_read *) fib_data(fib);
readcmd->command = cpu_to_le32(VM_CtBlockRead);
@@ -1026,7 +1071,9 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32
readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->count = cpu_to_le32(count * 512);
- aac_build_sg(cmd, &readcmd->sg);
+ ret = aac_build_sg(cmd, &readcmd->sg);
+ if (ret < 0)
+ return ret;
fibsize = sizeof(struct aac_read) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry));
@@ -1046,28 +1093,56 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32
static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
{
- u16 fibsize;
- struct aac_raw_io *writecmd;
+ struct aac_dev *dev = fib->dev;
+ u16 fibsize, command;
+ long ret;
+
aac_fib_init(fib);
- writecmd = (struct aac_raw_io *) fib_data(fib);
- writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
- writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
- writecmd->count = cpu_to_le32(count<<9);
- writecmd->cid = cpu_to_le16(scmd_id(cmd));
- writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
- (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
- cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
- cpu_to_le16(IO_TYPE_WRITE);
- writecmd->bpTotal = 0;
- writecmd->bpComplete = 0;
-
- aac_build_sgraw(cmd, &writecmd->sg);
- fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
+ if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
+ struct aac_raw_io2 *writecmd2;
+ writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
+ memset(writecmd2, 0, sizeof(struct aac_raw_io2));
+ writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
+ writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ writecmd2->byteCount = cpu_to_le32(count<<9);
+ writecmd2->cid = cpu_to_le16(scmd_id(cmd));
+ writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
+ (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
+ cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
+ cpu_to_le16(RIO2_IO_TYPE_WRITE);
+ ret = aac_build_sgraw2(cmd, writecmd2,
+ dev->scsi_host_ptr->sg_tablesize);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo2;
+ fibsize = sizeof(struct aac_raw_io2) +
+ ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
+ } else {
+ struct aac_raw_io *writecmd;
+ writecmd = (struct aac_raw_io *) fib_data(fib);
+ writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
+ writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+ writecmd->count = cpu_to_le32(count<<9);
+ writecmd->cid = cpu_to_le16(scmd_id(cmd));
+ writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
+ (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
+ cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
+ cpu_to_le16(RIO_TYPE_WRITE);
+ writecmd->bpTotal = 0;
+ writecmd->bpComplete = 0;
+ ret = aac_build_sgraw(cmd, &writecmd->sg);
+ if (ret < 0)
+ return ret;
+ command = ContainerRawIo;
+ fibsize = sizeof(struct aac_raw_io) +
+ ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
+ }
+
BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
- return aac_fib_send(ContainerRawIo,
+ return aac_fib_send(command,
fib,
fibsize,
FsaNormal,
@@ -1080,6 +1155,8 @@ static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba,
{
u16 fibsize;
struct aac_write64 *writecmd;
+ long ret;
+
aac_fib_init(fib);
writecmd = (struct aac_write64 *) fib_data(fib);
writecmd->command = cpu_to_le32(VM_CtHostWrite64);
@@ -1089,7 +1166,9 @@ static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba,
writecmd->pad = 0;
writecmd->flags = 0;
- aac_build_sg64(cmd, &writecmd->sg);
+ ret = aac_build_sg64(cmd, &writecmd->sg);
+ if (ret < 0)
+ return ret;
fibsize = sizeof(struct aac_write64) +
((le32_to_cpu(writecmd->sg.count) - 1) *
sizeof (struct sgentry64));
@@ -1111,6 +1190,8 @@ static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u3
{
u16 fibsize;
struct aac_write *writecmd;
+ long ret;
+
aac_fib_init(fib);
writecmd = (struct aac_write *) fib_data(fib);
writecmd->command = cpu_to_le32(VM_CtBlockWrite);
@@ -1120,7 +1201,9 @@ static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u3
writecmd->sg.count = cpu_to_le32(1);
/* ->stable is not used - it did mean which type of write */
- aac_build_sg(cmd, &writecmd->sg);
+ ret = aac_build_sg(cmd, &writecmd->sg);
+ if (ret < 0)
+ return ret;
fibsize = sizeof(struct aac_write) +
((le32_to_cpu(writecmd->sg.count) - 1) *
sizeof (struct sgentry));
@@ -1182,8 +1265,11 @@ static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
{
u16 fibsize;
struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
+ long ret;
- aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
+ ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
+ if (ret < 0)
+ return ret;
srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
@@ -1210,8 +1296,11 @@ static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
{
u16 fibsize;
struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
+ long ret;
- aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
+ ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
+ if (ret < 0)
+ return ret;
srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
@@ -1486,7 +1575,7 @@ int aac_get_adapter_info(struct aac_dev* dev)
dev->a_ops.adapter_write = aac_write_block;
}
dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
- if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
+ if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
/*
* Worst case size that could cause sg overflow when
* we break up SG elements that are larger than 64KB.
@@ -2608,12 +2697,18 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
srbreply = (struct aac_srb_reply *) fib_data(fibptr);
scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
- /*
- * Calculate resid for sg
- */
- scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
- - le32_to_cpu(srbreply->data_xfer_length));
+ if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
+ /* fast response */
+ srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
+ srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
+ } else {
+ /*
+ * Calculate resid for sg
+ */
+ scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
+ - le32_to_cpu(srbreply->data_xfer_length));
+ }
scsi_dma_unmap(scsicmd);
@@ -2811,7 +2906,7 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
return -1;
}
-static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
+static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
{
struct aac_dev *dev;
unsigned long byte_count = 0;
@@ -2824,7 +2919,8 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
psg->sg[0].count = 0;
nseg = scsi_dma_map(scsicmd);
- BUG_ON(nseg < 0);
+ if (nseg < 0)
+ return nseg;
if (nseg) {
struct scatterlist *sg;
int i;
@@ -2853,7 +2949,7 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
}
-static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
+static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
{
struct aac_dev *dev;
unsigned long byte_count = 0;
@@ -2868,7 +2964,8 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
psg->sg[0].count = 0;
nseg = scsi_dma_map(scsicmd);
- BUG_ON(nseg < 0);
+ if (nseg < 0)
+ return nseg;
if (nseg) {
struct scatterlist *sg;
int i;
@@ -2898,7 +2995,7 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
return byte_count;
}
-static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
+static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
{
unsigned long byte_count = 0;
int nseg;
@@ -2913,7 +3010,8 @@ static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw*
psg->sg[0].flags = 0;
nseg = scsi_dma_map(scsicmd);
- BUG_ON(nseg < 0);
+ if (nseg < 0)
+ return nseg;
if (nseg) {
struct scatterlist *sg;
int i;
@@ -2946,6 +3044,120 @@ static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw*
return byte_count;
}
+static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
+ struct aac_raw_io2 *rio2, int sg_max)
+{
+ unsigned long byte_count = 0;
+ int nseg;
+
+ nseg = scsi_dma_map(scsicmd);
+ if (nseg < 0)
+ return nseg;
+ if (nseg) {
+ struct scatterlist *sg;
+ int i, conformable = 0;
+ u32 min_size = PAGE_SIZE, cur_size;
+
+ scsi_for_each_sg(scsicmd, sg, nseg, i) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+
+ BUG_ON(i >= sg_max);
+ rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
+ rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
+ cur_size = cpu_to_le32(count);
+ rio2->sge[i].length = cur_size;
+ rio2->sge[i].flags = 0;
+ if (i == 0) {
+ conformable = 1;
+ rio2->sgeFirstSize = cur_size;
+ } else if (i == 1) {
+ rio2->sgeNominalSize = cur_size;
+ min_size = cur_size;
+ } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
+ conformable = 0;
+ if (cur_size < min_size)
+ min_size = cur_size;
+ }
+ byte_count += count;
+ }
+
+ /* hba wants the size to be exact */
+ if (byte_count > scsi_bufflen(scsicmd)) {
+ u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
+ (byte_count - scsi_bufflen(scsicmd));
+ rio2->sge[i-1].length = cpu_to_le32(temp);
+ byte_count = scsi_bufflen(scsicmd);
+ }
+
+ rio2->sgeCnt = cpu_to_le32(nseg);
+ rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
+ /* not conformable: evaluate required sg elements */
+ if (!conformable) {
+ int j, nseg_new = nseg, err_found;
+ for (i = min_size / PAGE_SIZE; i >= 1; --i) {
+ err_found = 0;
+ nseg_new = 2;
+ for (j = 1; j < nseg - 1; ++j) {
+ if (rio2->sge[j].length % (i*PAGE_SIZE)) {
+ err_found = 1;
+ break;
+ }
+ nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
+ }
+ if (!err_found)
+ break;
+ }
+ if (i > 0 && nseg_new <= sg_max)
+ aac_convert_sgraw2(rio2, i, nseg, nseg_new);
+ } else
+ rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
+
+ /* Check for command underflow */
+ if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+
+ return byte_count;
+}
+
+static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
+{
+ struct sge_ieee1212 *sge;
+ int i, j, pos;
+ u32 addr_low;
+
+ if (aac_convert_sgl == 0)
+ return 0;
+
+ sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
+ if (sge == NULL)
+ return -1;
+
+ for (i = 1, pos = 1; i < nseg-1; ++i) {
+ for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
+ addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
+ sge[pos].addrLow = addr_low;
+ sge[pos].addrHigh = rio2->sge[i].addrHigh;
+ if (addr_low < rio2->sge[i].addrLow)
+ sge[pos].addrHigh++;
+ sge[pos].length = pages * PAGE_SIZE;
+ sge[pos].flags = 0;
+ pos++;
+ }
+ }
+ sge[pos] = rio2->sge[nseg-1];
+ memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
+
+ kfree(sge);
+ rio2->sgeCnt = cpu_to_le32(nseg_new);
+ rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
+ rio2->sgeNominalSize = pages * PAGE_SIZE;
+ return 0;
+}
+
#ifdef AAC_DETAILED_STATUS_INFO
struct aac_srb_status_info {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 17:09:10 +0000