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-rw-r--r--drivers/scsi/aacraid/aachba.c181
-rw-r--r--drivers/scsi/aacraid/aacraid.h43
2 files changed, 194 insertions, 30 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index b03c8dee76b..d6c999cd7f7 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -133,6 +133,7 @@ struct inquiry_data {
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 int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
#ifdef AAC_DETAILED_STATUS_INFO
static char *aac_get_status_string(u32 status);
@@ -777,34 +778,36 @@ int aac_get_adapter_info(struct aac_dev* dev)
/*
* 57 scatter gather elements
*/
- dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
- sizeof(struct aac_fibhdr) -
- sizeof(struct aac_write) + sizeof(struct sgmap)) /
- sizeof(struct sgmap);
- if (dev->dac_support) {
- /*
- * 38 scatter gather elements
- */
- dev->scsi_host_ptr->sg_tablesize =
- (dev->max_fib_size -
+ if (!(dev->raw_io_interface)) {
+ dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
sizeof(struct aac_fibhdr) -
- sizeof(struct aac_write64) +
- sizeof(struct sgmap64)) /
- sizeof(struct sgmap64);
- }
- dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
- 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.
- * Would be nice if we could tell the SCSI layer what
- * the maximum SG element size can be. Worst case is
- * (sg_tablesize-1) 4KB elements with one 64KB
- * element.
- * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
- */
- dev->scsi_host_ptr->max_sectors =
- (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+ sizeof(struct aac_write) + sizeof(struct sgmap)) /
+ sizeof(struct sgmap);
+ if (dev->dac_support) {
+ /*
+ * 38 scatter gather elements
+ */
+ dev->scsi_host_ptr->sg_tablesize =
+ (dev->max_fib_size -
+ sizeof(struct aac_fibhdr) -
+ sizeof(struct aac_write64) +
+ sizeof(struct sgmap64)) /
+ sizeof(struct sgmap64);
+ }
+ dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
+ 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.
+ * Would be nice if we could tell the SCSI layer what
+ * the maximum SG element size can be. Worst case is
+ * (sg_tablesize-1) 4KB elements with one 64KB
+ * element.
+ * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
+ */
+ dev->scsi_host_ptr->max_sectors =
+ (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+ }
}
fib_complete(fibptr);
@@ -905,7 +908,32 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
fib_init(cmd_fibcontext);
- if (dev->dac_support == 1) {
+ if (dev->raw_io_interface) {
+ struct aac_raw_io *readcmd;
+ readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
+ readcmd->block[0] = cpu_to_le32(lba);
+ readcmd->block[1] = 0;
+ readcmd->count = cpu_to_le32(count<<9);
+ readcmd->cid = cpu_to_le16(cid);
+ readcmd->flags = cpu_to_le16(1);
+ readcmd->bpTotal = 0;
+ readcmd->bpComplete = 0;
+
+ aac_build_sgraw(scsicmd, &readcmd->sg);
+ fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
+ if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
+ BUG();
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerRawIo,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) scsicmd);
+ } else if (dev->dac_support == 1) {
struct aac_read64 *readcmd;
readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
readcmd->command = cpu_to_le32(VM_CtHostRead64);
@@ -1012,7 +1040,32 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
}
fib_init(cmd_fibcontext);
- if(dev->dac_support == 1) {
+ if (dev->raw_io_interface) {
+ struct aac_raw_io *writecmd;
+ writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
+ writecmd->block[0] = cpu_to_le32(lba);
+ writecmd->block[1] = 0;
+ writecmd->count = cpu_to_le32(count<<9);
+ writecmd->cid = cpu_to_le16(cid);
+ writecmd->flags = 0;
+ writecmd->bpTotal = 0;
+ writecmd->bpComplete = 0;
+
+ aac_build_sgraw(scsicmd, &writecmd->sg);
+ fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
+ if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
+ BUG();
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerRawIo,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) scsicmd);
+ } else if (dev->dac_support == 1) {
struct aac_write64 *writecmd;
writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
writecmd->command = cpu_to_le32(VM_CtHostWrite64);
@@ -2028,6 +2081,76 @@ 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)
+{
+ struct Scsi_Host *host = scsicmd->device->host;
+ struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+ unsigned long byte_count = 0;
+
+ // Get rid of old data
+ psg->count = 0;
+ psg->sg[0].next = 0;
+ psg->sg[0].prev = 0;
+ psg->sg[0].addr[0] = 0;
+ psg->sg[0].addr[1] = 0;
+ psg->sg[0].count = 0;
+ psg->sg[0].flags = 0;
+ if (scsicmd->use_sg) {
+ struct scatterlist *sg;
+ int i;
+ int sg_count;
+ sg = (struct scatterlist *) scsicmd->request_buffer;
+
+ sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
+ scsicmd->sc_data_direction);
+
+ for (i = 0; i < sg_count; i++) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+ psg->sg[i].next = 0;
+ psg->sg[i].prev = 0;
+ psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
+ psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ psg->sg[i].count = cpu_to_le32(count);
+ psg->sg[i].flags = 0;
+ byte_count += count;
+ sg++;
+ }
+ psg->count = cpu_to_le32(sg_count);
+ /* hba wants the size to be exact */
+ if(byte_count > scsicmd->request_bufflen){
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsicmd->request_bufflen);
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsicmd->request_bufflen;
+ }
+ /* 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);
+ }
+ }
+ else if(scsicmd->request_bufflen) {
+ int count;
+ u64 addr;
+ scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
+ scsicmd->request_buffer,
+ scsicmd->request_bufflen,
+ scsicmd->sc_data_direction);
+ addr = scsicmd->SCp.dma_handle;
+ count = scsicmd->request_bufflen;
+ psg->count = cpu_to_le32(1);
+ psg->sg[0].next = 0;
+ psg->sg[0].prev = 0;
+ psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
+ psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ psg->sg[0].count = cpu_to_le32(count);
+ psg->sg[0].flags = 0;
+ byte_count = scsicmd->request_bufflen;
+ }
+ return byte_count;
+}
+
#ifdef AAC_DETAILED_STATUS_INFO
struct aac_srb_status_info {
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 6f4906ee9a5..bc91e7ce5e5 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -114,6 +114,22 @@ struct user_sgentry64 {
u32 count; /* Length. */
};
+struct sgentryraw {
+ __le32 next; /* reserved for F/W use */
+ __le32 prev; /* reserved for F/W use */
+ __le32 addr[2];
+ __le32 count;
+ __le32 flags; /* reserved for F/W use */
+};
+
+struct user_sgentryraw {
+ u32 next; /* reserved for F/W use */
+ u32 prev; /* reserved for F/W use */
+ u32 addr[2];
+ u32 count;
+ u32 flags; /* reserved for F/W use */
+};
+
/*
* SGMAP
*
@@ -141,6 +157,16 @@ struct user_sgmap64 {
struct user_sgentry64 sg[1];
};
+struct sgmapraw {
+ __le32 count;
+ struct sgentryraw sg[1];
+};
+
+struct user_sgmapraw {
+ u32 count;
+ struct user_sgentryraw sg[1];
+};
+
struct creation_info
{
u8 buildnum; /* e.g., 588 */
@@ -355,6 +381,7 @@ struct hw_fib {
*/
#define ContainerCommand 500
#define ContainerCommand64 501
+#define ContainerRawIo 502
/*
* Cluster Commands
*/
@@ -986,6 +1013,9 @@ struct aac_dev
u8 nondasd_support;
u8 dac_support;
u8 raid_scsi_mode;
+ /* macro side-effects BEWARE */
+# define raw_io_interface \
+ init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4)
u8 printf_enabled;
};
@@ -1164,6 +1194,17 @@ struct aac_write_reply
__le32 committed;
};
+struct aac_raw_io
+{
+ __le32 block[2];
+ __le32 count;
+ __le16 cid;
+ __le16 flags; /* 00 W, 01 R */
+ __le16 bpTotal; /* reserved for F/W use */
+ __le16 bpComplete; /* reserved for F/W use */
+ struct sgmapraw sg;
+};
+
#define CT_FLUSH_CACHE 129
struct aac_synchronize {
__le32 command; /* VM_ContainerConfig */
@@ -1204,7 +1245,7 @@ struct aac_srb
};
/*
- * This and assocated data structs are used by the
+ * This and associated data structs are used by the
* ioctl caller and are in cpu order.
*/
struct user_aac_srb
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 12:08:17 +0000