svn commit: r266848 - head/sys/dev/mfi
Konstantin Belousov
kib at FreeBSD.org
Thu May 29 16:20:35 UTC 2014
Author: kib
Date: Thu May 29 16:20:34 2014
New Revision: 266848
URL: http://svnweb.freebsd.org/changeset/base/266848
Log:
Add support for the unmapped i/o to mfi(4).
Tested by: Nicholas Esborn <nick at desert.net>
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/dev/mfi/mfi.c
head/sys/dev/mfi/mfi_cam.c
head/sys/dev/mfi/mfi_disk.c
head/sys/dev/mfi/mfi_syspd.c
head/sys/dev/mfi/mfivar.h
Modified: head/sys/dev/mfi/mfi.c
==============================================================================
--- head/sys/dev/mfi/mfi.c Thu May 29 16:18:46 2014 (r266847)
+++ head/sys/dev/mfi/mfi.c Thu May 29 16:20:34 2014 (r266848)
@@ -2122,6 +2122,8 @@ mfi_build_cdb(int readop, uint8_t byte2,
return cdb_len;
}
+extern char *unmapped_buf;
+
static struct mfi_command *
mfi_build_syspdio(struct mfi_softc *sc, struct bio *bio)
{
@@ -2145,11 +2147,11 @@ mfi_build_syspdio(struct mfi_softc *sc,
pass->header.cmd = MFI_CMD_PD_SCSI_IO;
switch (bio->bio_cmd & 0x03) {
case BIO_READ:
- flags = MFI_CMD_DATAIN;
+ flags = MFI_CMD_DATAIN | MFI_CMD_BIO;
readop = 1;
break;
case BIO_WRITE:
- flags = MFI_CMD_DATAOUT;
+ flags = MFI_CMD_DATAOUT | MFI_CMD_BIO;
readop = 0;
break;
default:
@@ -2174,7 +2176,7 @@ mfi_build_syspdio(struct mfi_softc *sc,
pass->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32);
cm->cm_complete = mfi_bio_complete;
cm->cm_private = bio;
- cm->cm_data = bio->bio_data;
+ cm->cm_data = unmapped_buf;
cm->cm_len = bio->bio_bcount;
cm->cm_sg = &pass->sgl;
cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE;
@@ -2205,11 +2207,11 @@ mfi_build_ldio(struct mfi_softc *sc, str
switch (bio->bio_cmd & 0x03) {
case BIO_READ:
io->header.cmd = MFI_CMD_LD_READ;
- flags = MFI_CMD_DATAIN;
+ flags = MFI_CMD_DATAIN | MFI_CMD_BIO;
break;
case BIO_WRITE:
io->header.cmd = MFI_CMD_LD_WRITE;
- flags = MFI_CMD_DATAOUT;
+ flags = MFI_CMD_DATAOUT | MFI_CMD_BIO;
break;
default:
/* TODO: what about BIO_DELETE??? */
@@ -2230,7 +2232,7 @@ mfi_build_ldio(struct mfi_softc *sc, str
io->lba_lo = bio->bio_pblkno & 0xffffffff;
cm->cm_complete = mfi_bio_complete;
cm->cm_private = bio;
- cm->cm_data = bio->bio_data;
+ cm->cm_data = unmapped_buf;
cm->cm_len = bio->bio_bcount;
cm->cm_sg = &io->sgl;
cm->cm_total_frame_size = MFI_IO_FRAME_SIZE;
@@ -2316,6 +2318,10 @@ mfi_mapcmd(struct mfi_softc *sc, struct
error = bus_dmamap_load_ccb(sc->mfi_buffer_dmat,
cm->cm_dmamap, cm->cm_data, mfi_data_cb, cm,
polled);
+ else if (cm->cm_flags & MFI_CMD_BIO)
+ error = bus_dmamap_load_bio(sc->mfi_buffer_dmat,
+ cm->cm_dmamap, cm->cm_private, mfi_data_cb, cm,
+ polled);
else
error = bus_dmamap_load(sc->mfi_buffer_dmat,
cm->cm_dmamap, cm->cm_data, cm->cm_len,
Modified: head/sys/dev/mfi/mfi_cam.c
==============================================================================
--- head/sys/dev/mfi/mfi_cam.c Thu May 29 16:18:46 2014 (r266847)
+++ head/sys/dev/mfi/mfi_cam.c Thu May 29 16:20:34 2014 (r266848)
@@ -218,7 +218,7 @@ mfip_cam_action(struct cam_sim *sim, uni
cpi->version_num = 1;
cpi->hba_inquiry = PI_TAG_ABLE;
cpi->target_sprt = 0;
- cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN;
+ cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN | PIM_UNMAPPED;
cpi->hba_eng_cnt = 0;
cpi->max_target = MFI_SCSI_MAX_TARGETS;
cpi->max_lun = MFI_SCSI_MAX_LUNS;
Modified: head/sys/dev/mfi/mfi_disk.c
==============================================================================
--- head/sys/dev/mfi/mfi_disk.c Thu May 29 16:18:46 2014 (r266847)
+++ head/sys/dev/mfi/mfi_disk.c Thu May 29 16:20:34 2014 (r266848)
@@ -169,6 +169,7 @@ mfi_disk_attach(device_t dev)
sc->ld_disk->d_fwheads = 64;
sc->ld_disk->d_fwsectors = 32;
}
+ sc->ld_disk->d_flags = DISKFLAG_UNMAPPED_BIO;
disk_create(sc->ld_disk, DISK_VERSION);
return (0);
Modified: head/sys/dev/mfi/mfi_syspd.c
==============================================================================
--- head/sys/dev/mfi/mfi_syspd.c Thu May 29 16:18:46 2014 (r266847)
+++ head/sys/dev/mfi/mfi_syspd.c Thu May 29 16:20:34 2014 (r266848)
@@ -143,6 +143,7 @@ mfi_syspd_attach(device_t dev)
sc->pd_disk->d_fwheads = 64;
sc->pd_disk->d_fwsectors = 32;
}
+ sc->pd_disk->d_flags = DISKFLAG_UNMAPPED_BIO;
disk_create(sc->pd_disk, DISK_VERSION);
device_printf(dev, " SYSPD volume attached\n");
Modified: head/sys/dev/mfi/mfivar.h
==============================================================================
--- head/sys/dev/mfi/mfivar.h Thu May 29 16:18:46 2014 (r266847)
+++ head/sys/dev/mfi/mfivar.h Thu May 29 16:20:34 2014 (r266848)
@@ -104,10 +104,11 @@ struct mfi_command {
#define MFI_CMD_POLLED (1<<4)
#define MFI_CMD_SCSI (1<<5)
#define MFI_CMD_CCB (1<<6)
-#define MFI_CMD_TBOLT (1<<7)
-#define MFI_ON_MFIQ_FREE (1<<8)
-#define MFI_ON_MFIQ_READY (1<<9)
-#define MFI_ON_MFIQ_BUSY (1<<10)
+#define MFI_CMD_BIO (1<<7)
+#define MFI_CMD_TBOLT (1<<8)
+#define MFI_ON_MFIQ_FREE (1<<9)
+#define MFI_ON_MFIQ_READY (1<<10)
+#define MFI_ON_MFIQ_BUSY (1<<11)
#define MFI_ON_MFIQ_MASK (MFI_ON_MFIQ_FREE | MFI_ON_MFIQ_READY| \
MFI_ON_MFIQ_BUSY)
#define MFI_CMD_FLAGS_FMT "\20" \
@@ -117,10 +118,11 @@ struct mfi_command {
"\4COMPLETED" \
"\5POLLED" \
"\6SCSI" \
- "\7TBOLT" \
- "\10Q_FREE" \
- "\11Q_READY" \
- "\12Q_BUSY"
+ "\7BIO" \
+ "\10TBOLT" \
+ "\11Q_FREE" \
+ "\12Q_READY" \
+ "\13Q_BUSY"
uint8_t retry_for_fw_reset;
void (* cm_complete)(struct mfi_command *cm);
void *cm_private;
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