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No logical code change in this pathc.

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Only Style 9 changes for mrsas driver.

Reviewed by:	ambrisko
MFC after:	2 weeks
Sponsored by:	AVAGO Technologies
This commit is contained in:
Kashyap D Desai 2014-10-08 10:14:37 +00:00
parent 5d28b9ed32
commit 8e72737119
7 changed files with 7662 additions and 7742 deletions
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1212
sys/dev/mrsas/mrsas.c
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806
sys/dev/mrsas/mrsas.h
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399
sys/dev/mrsas/mrsas_cam.c
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@ -1,34 +1,30 @@
/*
* Copyright (c) 2014, LSI Corp.
* All rights reserved.
* Author: Marian Choy
* Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy
* Support: freebsdraid@lsi.com
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions
* in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of the
* <ORGANIZATION> nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
@ -61,16 +57,18 @@ __FBSDID("$FreeBSD$");
* Function prototypes
*/
int mrsas_cam_attach(struct mrsas_softc *sc);
//int mrsas_ldio_inq(union ccb *ccb);
int mrsas_ldio_inq(struct cam_sim *sim, union ccb *ccb);
int mrsas_bus_scan(struct mrsas_softc *sc);
int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim);
int mrsas_map_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
int mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
int
mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb);
int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
int
mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb, struct cam_sim *sim);
int mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
int
mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb, u_int32_t device_id,
MRSAS_RAID_SCSI_IO_REQUEST * io_request);
void mrsas_xpt_freeze(struct mrsas_softc *sc);
@ -79,49 +77,59 @@ void mrsas_cam_detach(struct mrsas_softc *sc);
void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd);
void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd);
void mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
void
mrsas_fire_cmd(struct mrsas_softc *sc, u_int32_t req_desc_lo,
u_int32_t req_desc_hi);
void mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST *io_request, u_int8_t cdb_len,
struct IO_REQUEST_INFO *io_info, union ccb *ccb,
void
mrsas_set_pd_lba(MRSAS_RAID_SCSI_IO_REQUEST * io_request,
u_int8_t cdb_len, struct IO_REQUEST_INFO *io_info, union ccb *ccb,
MR_DRV_RAID_MAP_ALL * local_map_ptr, u_int32_t ref_tag,
u_int32_t ld_block_size);
static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim);
static void mrsas_cam_poll(struct cam_sim *sim);
static void mrsas_action(struct cam_sim *sim, union ccb *ccb);
static void mrsas_scsiio_timeout(void *data);
static void mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs,
static void
mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs,
int nseg, int error);
static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
static int32_t
mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
union ccb *ccb);
struct mrsas_mpt_cmd *mrsas_get_mpt_cmd(struct mrsas_softc *sc);
MRSAS_REQUEST_DESCRIPTOR_UNION *mrsas_get_request_desc(struct mrsas_softc *sc,
u_int16_t index);
MRSAS_REQUEST_DESCRIPTOR_UNION *
mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index);
extern u_int16_t MR_TargetIdToLdGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map);
extern u_int32_t MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL *map,
extern u_int32_t
MR_LdBlockSizeGet(u_int32_t ldTgtId, MR_DRV_RAID_MAP_ALL * map,
struct mrsas_softc *sc);
extern void mrsas_isr(void *arg);
extern void mrsas_aen_handler(struct mrsas_softc *sc);
extern u_int8_t MR_BuildRaidContext(struct mrsas_softc *sc,
extern u_int8_t
MR_BuildRaidContext(struct mrsas_softc *sc,
struct IO_REQUEST_INFO *io_info, RAID_CONTEXT * pRAID_Context,
MR_DRV_RAID_MAP_ALL * map);
extern u_int16_t MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span,
extern u_int16_t
MR_LdSpanArrayGet(u_int32_t ld, u_int32_t span,
MR_DRV_RAID_MAP_ALL * map);
extern u_int16_t mrsas_get_updated_dev_handle(PLD_LOAD_BALANCE_INFO lbInfo,
extern u_int16_t
mrsas_get_updated_dev_handle(PLD_LOAD_BALANCE_INFO lbInfo,
struct IO_REQUEST_INFO *io_info);
extern u_int8_t megasas_get_best_arm(PLD_LOAD_BALANCE_INFO lbInfo, u_int8_t arm,
extern u_int8_t
megasas_get_best_arm(PLD_LOAD_BALANCE_INFO lbInfo, u_int8_t arm,
u_int64_t block, u_int32_t count);
/**
/*
* mrsas_cam_attach: Main entry to CAM subsystem
* input: Adapter instance soft state
*
* This function is called from mrsas_attach() during initialization
* to perform SIM allocations and XPT bus registration. If the kernel
* version is 7.4 or earlier, it would also initiate a bus scan.
* This function is called from mrsas_attach() during initialization to perform
* SIM allocations and XPT bus registration. If the kernel version is 7.4 or
* earlier, it would also initiate a bus scan.
*/
int mrsas_cam_attach(struct mrsas_softc *sc)
int
mrsas_cam_attach(struct mrsas_softc *sc)
{
struct cam_devq *devq;
int mrsas_cam_depth;
@ -132,8 +140,6 @@ int mrsas_cam_attach(struct mrsas_softc *sc)
device_printf(sc->mrsas_dev, "Cannot allocate SIM queue\n");
return (ENOMEM);
}
/*
* Create SIM for bus 0 and register, also create path
*/
@ -154,17 +160,16 @@ int mrsas_cam_attach(struct mrsas_softc *sc)
taskqueue_start_threads(&sc->ev_tq, 1, 255, "%s taskq",
device_get_nameunit(sc->mrsas_dev));
mtx_lock(&sc->sim_lock);
if (xpt_bus_register(sc->sim_0, sc->mrsas_dev,0) != CAM_SUCCESS)
{
cam_sim_free(sc->sim_0, TRUE); // passing true frees the devq
if (xpt_bus_register(sc->sim_0, sc->mrsas_dev, 0) != CAM_SUCCESS) {
cam_sim_free(sc->sim_0, TRUE); /* passing true frees the devq */
mtx_unlock(&sc->sim_lock);
return (ENXIO);
}
if (xpt_create_path(&sc->path_0, NULL, cam_sim_path(sc->sim_0),
CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_bus_deregister(cam_sim_path(sc->sim_0));
cam_sim_free(sc->sim_0, TRUE); // passing true will free the devq
cam_sim_free(sc->sim_0, TRUE); /* passing true will free the
* devq */
mtx_unlock(&sc->sim_lock);
return (ENXIO);
}
@ -181,10 +186,9 @@ int mrsas_cam_attach(struct mrsas_softc *sc)
device_printf(sc->mrsas_dev, "Cannot register SIM\n");
return (ENXIO);
}
mtx_lock(&sc->sim_lock);
if (xpt_bus_register(sc->sim_1, sc->mrsas_dev, 1) != CAM_SUCCESS) {
cam_sim_free(sc->sim_1, TRUE); // passing true frees the devq
cam_sim_free(sc->sim_1, TRUE); /* passing true frees the devq */
mtx_unlock(&sc->sim_lock);
return (ENXIO);
}
@ -207,13 +211,14 @@ int mrsas_cam_attach(struct mrsas_softc *sc)
return (0);
}
/**
/*
* mrsas_cam_detach: De-allocates and teardown CAM
* input: Adapter instance soft state
*
* De-registers and frees the paths and SIMs.
*/
void mrsas_cam_detach(struct mrsas_softc *sc)
void
mrsas_cam_detach(struct mrsas_softc *sc)
{
if (sc->ev_tq != NULL)
taskqueue_free(sc->ev_tq);
@ -233,17 +238,16 @@ void mrsas_cam_detach(struct mrsas_softc *sc)
mtx_unlock(&sc->sim_lock);
}
/**
/*
* mrsas_action: SIM callback entry point
* input: pointer to SIM
* pointer to CAM Control Block
* input: pointer to SIM pointer to CAM Control Block
*
* This function processes CAM subsystem requests. The type of request is
* stored in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary
* because ccb->cpi.maxio is not supported for FreeBSD version 7.4 or
* earlier.
* This function processes CAM subsystem requests. The type of request is stored
* in ccb->ccb_h.func_code. The preprocessor #ifdef is necessary because
* ccb->cpi.maxio is not supported for FreeBSD version 7.4 or earlier.
*/
static void mrsas_action(struct cam_sim *sim, union ccb *ccb)
static void
mrsas_action(struct cam_sim *sim, union ccb *ccb)
{
struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
@ -261,8 +265,7 @@ static void mrsas_action(struct cam_sim *sim, union ccb *ccb)
sc->pd_list[device_id].driveState != MR_PD_STATE_SYSTEM) {
ccb->ccb_h.status |= CAM_DEV_NOT_THERE;
xpt_done(ccb);
}
else {
} else {
if (mrsas_startio(sc, sim, ccb)) {
ccb->ccb_h.status |= CAM_REQ_INVALID;
xpt_done(ccb);
@ -346,16 +349,15 @@ static void mrsas_action(struct cam_sim *sim, union ccb *ccb)
}
}
/**
* mrsas_scsiio_timeout Callback function for IO timed out
/*
* mrsas_scsiio_timeout: Callback function for IO timed out
* input: mpt command context
*
* This function will execute after timeout value
* provided by ccb header from CAM layer, if timer expires.
* Driver will run timer for all DCDM and LDIO comming from CAM layer.
* This function is callback function for IO timeout and it runs in
* no-sleep context. Set do_timedout_reset in Adapter context so that
* it will execute OCR/Kill adpter from ocr_thread context.
* This function will execute after timeout value provided by ccb header from
* CAM layer, if timer expires. Driver will run timer for all DCDM and LDIO
* comming from CAM layer. This function is callback function for IO timeout
* and it runs in no-sleep context. Set do_timedout_reset in Adapter context
* so that it will execute OCR/Kill adpter from ocr_thread context.
*/
static void
mrsas_scsiio_timeout(void *data)
@ -370,11 +372,11 @@ mrsas_scsiio_timeout(void *data)
printf("command timeout with NULL ccb\n");
return;
}
/* Below callout is dummy entry so that it will be
* cancelled from mrsas_cmd_done(). Now Controller will
* go to OCR/Kill Adapter based on OCR enable/disable
* property of Controller from ocr_thread context.
/*
* Below callout is dummy entry so that it will be cancelled from
* mrsas_cmd_done(). Now Controller will go to OCR/Kill Adapter based
* on OCR enable/disable property of Controller from ocr_thread
* context.
*/
callout_reset(&cmd->cm_callout, (600000 * hz) / 1000,
mrsas_scsiio_timeout, cmd);
@ -383,17 +385,18 @@ mrsas_scsiio_timeout(void *data)
wakeup(&sc->ocr_chan);
}
/**
/*
* mrsas_startio: SCSI IO entry point
* input: Adapter instance soft state
* pointer to CAM Control Block
*
* This function is the SCSI IO entry point and it initiates IO processing.
* It copies the IO and depending if the IO is read/write or inquiry, it would
* call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns
* 0 if the command is sent to firmware successfully, otherwise it returns 1.
* This function is the SCSI IO entry point and it initiates IO processing. It
* copies the IO and depending if the IO is read/write or inquiry, it would
* call mrsas_build_ldio() or mrsas_build_dcdb(), respectively. It returns 0
* if the command is sent to firmware successfully, otherwise it returns 1.
*/
static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
static int32_t
mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
union ccb *ccb)
{
struct mrsas_mpt_cmd *cmd;
@ -406,7 +409,6 @@ static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
xpt_done(ccb);
return (0);
}
ccb_h->status |= CAM_SIM_QUEUED;
cmd = mrsas_get_mpt_cmd(sc);
@ -415,32 +417,30 @@ static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
xpt_done(ccb);
return (0);
}
if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
if (ccb_h->flags & CAM_DIR_IN)
cmd->flags |= MRSAS_DIR_IN;
if (ccb_h->flags & CAM_DIR_OUT)
cmd->flags |= MRSAS_DIR_OUT;
}
else
} else
cmd->flags = MRSAS_DIR_NONE; /* no data */
/* For FreeBSD 10.0 and higher */
#if (__FreeBSD_version >= 1000000)
/*
* * XXX We don't yet support physical addresses here.
* XXX We don't yet support physical addresses here.
*/
switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
case CAM_DATA_PADDR:
case CAM_DATA_SG_PADDR:
printf("%s: physical addresses not supported\n",
device_printf(sc->mrsas_dev, "%s: physical addresses not supported\n",
__func__);
mrsas_release_mpt_cmd(cmd);
ccb_h->status = CAM_REQ_INVALID;
ccb_h->status &= ~CAM_SIM_QUEUED;
goto done;
case CAM_DATA_SG:
printf("%s: scatter gather is not supported\n",
device_printf(sc->mrsas_dev, "%s: scatter gather is not supported\n",
__func__);
mrsas_release_mpt_cmd(cmd);
ccb_h->status = CAM_REQ_INVALID;
@ -460,7 +460,7 @@ static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
goto done;
}
#else
if (!(ccb_h->flags & CAM_DATA_PHYS)) { //Virtual data address
if (!(ccb_h->flags & CAM_DATA_PHYS)) { /* Virtual data address */
if (!(ccb_h->flags & CAM_SCATTER_VALID)) {
if (csio->dxfer_len > MRSAS_MAX_IO_SIZE) {
mrsas_release_mpt_cmd(cmd);
@ -470,14 +470,12 @@ static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
cmd->length = csio->dxfer_len;
if (cmd->length)
cmd->data = csio->data_ptr;
}
else {
} else {
mrsas_release_mpt_cmd(cmd);
ccb_h->status = CAM_REQ_INVALID;
goto done;
}
}
else { //Data addresses are physical.
} else { /* Data addresses are physical. */
mrsas_release_mpt_cmd(cmd);
ccb_h->status = CAM_REQ_INVALID;
ccb_h->status &= ~CAM_SIM_QUEUED;
@ -507,8 +505,7 @@ static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
mtx_unlock(&sc->raidmap_lock);
return (1);
}
}
else {
} else {
if (mrsas_build_dcdb(sc, cmd, ccb, sim)) {
device_printf(sc->mrsas_dev, "Build DCDB failed.\n");
mtx_unlock(&sc->raidmap_lock);
@ -517,9 +514,9 @@ static int32_t mrsas_startio(struct mrsas_softc *sc, struct cam_sim *sim,
}
mtx_unlock(&sc->raidmap_lock);
if (cmd->flags == MRSAS_DIR_IN) //from device
if (cmd->flags == MRSAS_DIR_IN) /* from device */
cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
else if (cmd->flags == MRSAS_DIR_OUT) //to device
else if (cmd->flags == MRSAS_DIR_OUT) /* to device */
cmd->io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
cmd->io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
@ -548,14 +545,15 @@ done:
return (0);
}
/**
/*
* mrsas_ldio_inq: Determines if IO is read/write or inquiry
* input: pointer to CAM Control Block
*
* This function determines if the IO is read/write or inquiry. It returns a
* 1 if the IO is read/write and 0 if it is inquiry.
* This function determines if the IO is read/write or inquiry. It returns a 1
* if the IO is read/write and 0 if it is inquiry.
*/
int mrsas_ldio_inq(struct cam_sim *sim, union ccb *ccb)
int
mrsas_ldio_inq(struct cam_sim *sim, union ccb *ccb)
{
struct ccb_scsiio *csio = &(ccb->csio);
@ -577,14 +575,15 @@ int mrsas_ldio_inq(struct cam_sim *sim, union ccb *ccb)
}
}
/**
/*
* mrsas_get_mpt_cmd: Get a cmd from free command pool
* input: Adapter instance soft state
*
* This function removes an MPT command from the command free list and
* initializes it.
*/
struct mrsas_mpt_cmd* mrsas_get_mpt_cmd(struct mrsas_softc *sc)
struct mrsas_mpt_cmd *
mrsas_get_mpt_cmd(struct mrsas_softc *sc)
{
struct mrsas_mpt_cmd *cmd = NULL;
@ -605,13 +604,14 @@ struct mrsas_mpt_cmd* mrsas_get_mpt_cmd(struct mrsas_softc *sc)
return cmd;
}
/**
/*
* mrsas_release_mpt_cmd: Return a cmd to free command pool
* input: Command packet for return to free command pool
*
* This function returns an MPT command to the free command list.
*/
void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
void
mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
{
struct mrsas_softc *sc = cmd->sc;
@ -623,7 +623,7 @@ void mrsas_release_mpt_cmd(struct mrsas_mpt_cmd *cmd)
return;
}
/**
/*
* mrsas_get_request_desc: Get request descriptor from array
* input: Adapter instance soft state
* SMID index
@ -644,16 +644,17 @@ mrsas_get_request_desc(struct mrsas_softc *sc, u_int16_t index)
return (MRSAS_REQUEST_DESCRIPTOR_UNION *) p;
}
/**
/*
* mrsas_build_ldio: Builds an LDIO command
* input: Adapter instance soft state
* Pointer to command packet
* Pointer to CCB
*
* This function builds the LDIO command packet. It returns 0 if the
* command is built successfully, otherwise it returns a 1.
* This function builds the LDIO command packet. It returns 0 if the command is
* built successfully, otherwise it returns a 1.
*/
int mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
int
mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb)
{
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
@ -683,24 +684,24 @@ int mrsas_build_ldio(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
return (FAIL);
}
io_request->RaidContext.numSGE = cmd->sge_count;
}
else {
} else {
device_printf(sc->mrsas_dev, "Data map/load failed.\n");
return (FAIL);
}
return (0);
}
/**
/*
* mrsas_setup_io: Set up data including Fast Path I/O
* input: Adapter instance soft state
* Pointer to command packet
* Pointer to CCB
*
* This function builds the DCDB inquiry command. It returns 0 if the
* command is built successfully, otherwise it returns a 1.
* This function builds the DCDB inquiry command. It returns 0 if the command
* is built successfully, otherwise it returns a 1.
*/
int mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
int
mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb, u_int32_t device_id,
MRSAS_RAID_SCSI_IO_REQUEST * io_request)
{
@ -767,7 +768,6 @@ int mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
(u_int32_t)csio->cdb_io.cdb_bytes[4] << 8 |
((u_int32_t)csio->cdb_io.cdb_bytes[5]);
}
memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO));
io_info.ldStartBlock = ((u_int64_t)start_lba_hi << 32) | start_lba_lo;
io_info.numBlocks = datalength;
@ -793,9 +793,7 @@ int mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
(!sc->fast_path_io)) {
io_request->RaidContext.regLockFlags = 0;
fp_possible = 0;
}
else
{
} else {
if (MR_BuildRaidContext(sc, &io_info, &io_request->RaidContext, map_ptr))
fp_possible = io_info.fpOkForIo;
}
@ -809,36 +807,45 @@ int mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
start_lba_lo, ld_block_size);
io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY
<< MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags = (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
cmd->request_desc->SCSIIO.RequestFlags =
(MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
io_request->RaidContext.Type = MPI2_TYPE_CUDA;
io_request->RaidContext.nseg = 0x1;
io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
io_request->RaidContext.regLockFlags |= (MR_RL_FLAGS_GRANT_DESTINATION_CUDA | MR_RL_FLAGS_SEQ_NUM_ENABLE);
io_request->RaidContext.regLockFlags |=
(MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
MR_RL_FLAGS_SEQ_NUM_ENABLE);
}
if ((sc->load_balance_info[device_id].loadBalanceFlag) && (io_info.isRead)) {
io_info.devHandle = mrsas_get_updated_dev_handle(&sc->load_balance_info[device_id],
if ((sc->load_balance_info[device_id].loadBalanceFlag) &&
(io_info.isRead)) {
io_info.devHandle =
mrsas_get_updated_dev_handle(&sc->load_balance_info[device_id],
&io_info);
cmd->load_balance = MRSAS_LOAD_BALANCE_FLAG;
}
else
} else
cmd->load_balance = 0;
cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
io_request->DevHandle = io_info.devHandle;
}
else {
} else {
/* Not FP IO */
io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
cmd->request_desc->SCSIIO.RequestFlags =
(MRSAS_REQ_DESCRIPT_FLAGS_LD_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
(MRSAS_REQ_DESCRIPT_FLAGS_LD_IO <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
if (io_request->RaidContext.regLockFlags == REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags = (MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
cmd->request_desc->SCSIIO.RequestFlags =
(MRSAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
io_request->RaidContext.Type = MPI2_TYPE_CUDA;
io_request->RaidContext.regLockFlags |= (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 | MR_RL_FLAGS_SEQ_NUM_ENABLE);
io_request->RaidContext.regLockFlags |=
(MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
MR_RL_FLAGS_SEQ_NUM_ENABLE);
io_request->RaidContext.nseg = 0x1;
}
io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
@ -847,16 +854,17 @@ int mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
return (0);
}
/**
/*
* mrsas_build_dcdb: Builds an DCDB command
* input: Adapter instance soft state
* Pointer to command packet
* Pointer to CCB
*
* This function builds the DCDB inquiry command. It returns 0 if the
* command is built successfully, otherwise it returns a 1.
* This function builds the DCDB inquiry command. It returns 0 if the command
* is built successfully, otherwise it returns a 1.
*/
int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
int
mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
union ccb *ccb, struct cam_sim *sim)
{
struct ccb_hdr *ccb_h = &(ccb->ccb_h);
@ -872,18 +880,15 @@ int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
if (cam_sim_bus(sim) == 1 &&
sc->pd_list[device_id].driveState == MR_PD_STATE_SYSTEM) {
io_request->Function = 0;
io_request->DevHandle = map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
io_request->DevHandle = map_ptr->raidMap.devHndlInfo[device_id].
curDevHdl;
io_request->RaidContext.timeoutValue = map_ptr->raidMap.fpPdIoTimeoutSec;
io_request->RaidContext.regLockFlags = 0;
io_request->RaidContext.regLockRowLBA = 0;
io_request->RaidContext.regLockLength = 0;
// LSI TEST
//printf("LSI Debug bus %d device_id %d map_ptr->raidMap.devHndlInfo[device_id].curDevHdl %d \n",
// cam_sim_bus(sim), device_id, map_ptr->raidMap.devHndlInfo[device_id].curDevHdl);
io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
io_request->RaidContext.RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
<< MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY))
io_request->IoFlags |= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
cmd->request_desc->SCSIIO.RequestFlags =
@ -894,12 +899,12 @@ int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
cmd->request_desc->SCSIIO.MSIxIndex =
sc->msix_vectors ? smp_processor_id() % sc->msix_vectors : 0;
}
else {
} else {
io_request->Function = MRSAS_MPI2_FUNCTION_LD_IO_REQUEST;
io_request->DevHandle = device_id;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO << MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
MRSAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
}
io_request->RaidContext.VirtualDiskTgtId = device_id;
@ -913,25 +918,24 @@ int mrsas_build_dcdb(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
return (1);
}
io_request->RaidContext.numSGE = cmd->sge_count;
}
else {
} else {
device_printf(sc->mrsas_dev, "Data map/load failed.\n");
return (1);
}
return (0);
}
/**
/*
* mrsas_map_request: Map and load data
* input: Adapter instance soft state
* Pointer to command packet
*
* For data from OS, map and load the data buffer into bus space. The
* SG list is built in the callback. If the bus dmamap load is not
* successful, cmd->error_code will contain the error code and a 1 is
* returned.
* For data from OS, map and load the data buffer into bus space. The SG list
* is built in the callback. If the bus dmamap load is not successful,
* cmd->error_code will contain the error code and a 1 is returned.
*/
int mrsas_map_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
int
mrsas_map_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
{
u_int32_t retcode = 0;
struct cam_sim *sim;
@ -957,14 +961,15 @@ int mrsas_map_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
return (retcode);
}
/**
/*
* mrsas_unmap_request: Unmap and unload data
* input: Adapter instance soft state
* Pointer to command packet
*
* This function unmaps and unloads data from OS.
*/
void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
void
mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
{
if (cmd->data != NULL) {
if (cmd->flags & MRSAS_DIR_IN)
@ -977,15 +982,14 @@ void mrsas_unmap_request(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
}
}
/**
/*
* mrsas_data_load_cb: Callback entry point
* input: Pointer to command packet as argument
* Pointer to segment
* Number of segments
* Error
* Number of segments Error
*
* This is the callback function of the bus dma map load. It builds
* the SG list.
* This is the callback function of the bus dma map load. It builds the SG
* list.
*/
static void
mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
@ -996,8 +1000,7 @@ mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
pMpi25IeeeSgeChain64_t sgl_ptr;
int i = 0, sg_processed = 0;
if (error)
{
if (error) {
cmd->error_code = error;
device_printf(sc->mrsas_dev, "mrsas_data_load_cb: error=%d\n", error);
if (error == EFBIG) {
@ -1005,7 +1008,6 @@ mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
return;
}
}
if (cmd->flags & MRSAS_DIR_IN)
bus_dmamap_sync(cmd->sc->data_tag, cmd->data_dmamap,
BUS_DMASYNC_PREREAD);
@ -1016,16 +1018,15 @@ mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
device_printf(sc->mrsas_dev, "SGE count is too large or 0.\n");
return;
}
io_request = cmd->io_request;
sgl_ptr = (pMpi25IeeeSgeChain64_t)&io_request->SGL;
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
pMpi25IeeeSgeChain64_t sgl_ptr_end = sgl_ptr;
sgl_ptr_end += sc->max_sge_in_main_msg - 1;
sgl_ptr_end->Flags = 0;
}
if (nseg != 0) {
for (i = 0; i < nseg; i++) {
sgl_ptr->Address = segs[i].ds_addr;
@ -1037,12 +1038,10 @@ mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
}
sgl_ptr++;
sg_processed = i + 1;
/*
* Prepare chain element
*/
if ((sg_processed == (sc->max_sge_in_main_msg - 1)) &&
(nseg > sc->max_sge_in_main_msg)) {
pMpi25IeeeSgeChain64_t sg_chain;
if ((sc->device_id == MRSAS_INVADER) || (sc->device_id == MRSAS_FURY)) {
if ((cmd->io_request->IoFlags & MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
!= MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
@ -1065,14 +1064,15 @@ mrsas_data_load_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
cmd->sge_count = nseg;
}
/**
/*
* mrsas_freeze_simq: Freeze SIM queue
* input: Pointer to command packet
* Pointer to SIM
*
* This function freezes the sim queue.
*/
static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
static void
mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
{
union ccb *ccb = (union ccb *)(cmd->ccb_ptr);
@ -1081,24 +1081,28 @@ static void mrsas_freeze_simq(struct mrsas_mpt_cmd *cmd, struct cam_sim *sim)
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
}
void mrsas_xpt_freeze(struct mrsas_softc *sc) {
void
mrsas_xpt_freeze(struct mrsas_softc *sc)
{
xpt_freeze_simq(sc->sim_0, 1);
xpt_freeze_simq(sc->sim_1, 1);
}
void mrsas_xpt_release(struct mrsas_softc *sc) {
void
mrsas_xpt_release(struct mrsas_softc *sc)
{
xpt_release_simq(sc->sim_0, 1);
xpt_release_simq(sc->sim_1, 1);
}
/**
/*
* mrsas_cmd_done: Perform remaining command completion
* input: Adapter instance soft state
* Pointer to command packet
* input: Adapter instance soft state Pointer to command packet
*
* This function calls ummap request and releases the MPT command.
*/
void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
void
mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
{
callout_stop(&cmd->cm_callout);
mrsas_unmap_request(sc, cmd);
@ -1109,15 +1113,17 @@ void mrsas_cmd_done(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd)
mrsas_release_mpt_cmd(cmd);
}
/**
/*
* mrsas_cam_poll: Polling entry point
* input: Pointer to SIM
*
* This is currently a stub function.
*/
static void mrsas_cam_poll(struct cam_sim *sim)
static void
mrsas_cam_poll(struct cam_sim *sim)
{
struct mrsas_softc *sc = (struct mrsas_softc *)cam_sim_softc(sim);
mrsas_isr((void *)sc);
}
@ -1125,11 +1131,12 @@ static void mrsas_cam_poll(struct cam_sim *sim)
* mrsas_bus_scan: Perform bus scan
* input: Adapter instance soft state
*
* This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should
* not be called in FreeBSD 8.x and later versions, where the bus scan is
* This mrsas_bus_scan function is needed for FreeBSD 7.x. Also, it should not
* be called in FreeBSD 8.x and later versions, where the bus scan is
* automatic.
*/
int mrsas_bus_scan(struct mrsas_softc *sc)
int
mrsas_bus_scan(struct mrsas_softc *sc)
{
union ccb *ccb_0;
union ccb *ccb_1;
@ -1137,12 +1144,10 @@ int mrsas_bus_scan(struct mrsas_softc *sc)
if ((ccb_0 = xpt_alloc_ccb()) == NULL) {
return (ENOMEM);
}
if ((ccb_1 = xpt_alloc_ccb()) == NULL) {
xpt_free_ccb(ccb_0);
return (ENOMEM);
}
mtx_lock(&sc->sim_lock);
if (xpt_create_path(&ccb_0->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_0),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
@ -1151,7 +1156,6 @@ int mrsas_bus_scan(struct mrsas_softc *sc)
mtx_unlock(&sc->sim_lock);
return (EIO);
}
if (xpt_create_path(&ccb_1->ccb_h.path, xpt_periph, cam_sim_path(sc->sim_1),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_free_ccb(ccb_0);
@ -1159,7 +1163,6 @@ int mrsas_bus_scan(struct mrsas_softc *sc)
mtx_unlock(&sc->sim_lock);
return (EIO);
}
mtx_unlock(&sc->sim_lock);
xpt_rescan(ccb_0);
xpt_rescan(ccb_1);
@ -1169,11 +1172,13 @@ int mrsas_bus_scan(struct mrsas_softc *sc)
/*
* mrsas_bus_scan_sim: Perform bus scan per SIM
* input: Adapter instance soft state
* This function will be called from Event handler
* on LD creation/deletion, JBOD on/off.
* input: adapter instance soft state
*
* This function will be called from Event handler on LD creation/deletion,
* JBOD on/off.
*/
int mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim)
int
mrsas_bus_scan_sim(struct mrsas_softc *sc, struct cam_sim *sim)
{
union ccb *ccb;

588
sys/dev/mrsas/mrsas_fp.c
View File

File diff suppressed because it is too large Load Diff

225
sys/dev/mrsas/mrsas_ioctl.c
View File

@ -1,43 +1,38 @@
/*
* Copyright (c) 2014, LSI Corp.
* All rights reserved.
* Author: Marian Choy
* Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy
* Support: freebsdraid@lsi.com
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions
* in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of the
* <ORGANIZATION> nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing
* official policies,either expressed or implied, of the FreeBSD Project.
*
* Send feedback to: <megaraidfbsd@lsi.com>
* Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
* ATTN: MegaRaid FreeBSD
* Send feedback to: <megaraidfbsd@lsi.com> Mail to: LSI Corporation, 1621
* Barber Lane, Milpitas, CA 95035 ATTN: MegaRaid FreeBSD
*
*/
@ -56,34 +51,38 @@ void mrsas_free_ioc_cmd(struct mrsas_softc *sc);
void mrsas_free_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
void *mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd);
static int mrsas_create_frame_pool(struct mrsas_softc *sc);
static void mrsas_alloc_cb(void *arg, bus_dma_segment_t *segs,
static void
mrsas_alloc_cb(void *arg, bus_dma_segment_t *segs,
int nsegs, int error);
extern struct mrsas_mfi_cmd *mrsas_get_mfi_cmd(struct mrsas_softc *sc);
extern void mrsas_release_mfi_cmd(struct mrsas_mfi_cmd *cmd);
extern int mrsas_issue_blocked_cmd(struct mrsas_softc *sc,
extern int
mrsas_issue_blocked_cmd(struct mrsas_softc *sc,
struct mrsas_mfi_cmd *cmd);
/**
/*
* mrsas_passthru: Handle pass-through commands
* input: Adapter instance soft state
* argument pointer
* input: Adapter instance soft state argument pointer
*
* This function is called from mrsas_ioctl() to handle pass-through and
* ioctl commands to Firmware.
* This function is called from mrsas_ioctl() to handle pass-through and ioctl
* commands to Firmware.
*/
int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
int
mrsas_passthru(struct mrsas_softc *sc, void *arg, u_long ioctlCmd)
{
struct mrsas_iocpacket *user_ioc = (struct mrsas_iocpacket *)arg;
#ifdef COMPAT_FREEBSD32
struct mrsas_iocpacket32 *user_ioc32 = (struct mrsas_iocpacket32 *)arg;
#endif
union mrsas_frame *in_cmd = (union mrsas_frame *)&(user_ioc->frame.raw);
struct mrsas_mfi_cmd *cmd = NULL;
bus_dma_tag_t ioctl_data_tag[MAX_IOCTL_SGE];
bus_dmamap_t ioctl_data_dmamap[MAX_IOCTL_SGE];
void *ioctl_data_mem[MAX_IOCTL_SGE]; // ioctl data virtual addr
bus_addr_t ioctl_data_phys_addr[MAX_IOCTL_SGE]; // ioctl data phys addr
void *ioctl_data_mem[MAX_IOCTL_SGE];
bus_addr_t ioctl_data_phys_addr[MAX_IOCTL_SGE];
bus_dma_tag_t ioctl_sense_tag = 0;
bus_dmamap_t ioctl_sense_dmamap = 0;
void *ioctl_sense_mem = 0;
@ -95,34 +94,31 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
size_t iov_len = 0;
/*
* Check for NOP from MegaCli... MegaCli can issue a DCMD of 0. In this
* case do nothing and return 0 to it as status.
* Check for NOP from MegaCli... MegaCli can issue a DCMD of 0. In
* this case do nothing and return 0 to it as status.
*/
if (in_cmd->dcmd.opcode == 0) {
device_printf(sc->mrsas_dev, "In %s() Got a NOP\n", __func__);
user_ioc->frame.hdr.cmd_status = MFI_STAT_OK;
return (0);
}
/* Validate SGL length */
if (user_ioc->sge_count > MAX_IOCTL_SGE) {
device_printf(sc->mrsas_dev, "In %s() SGL is too long (%d > 8).\n",
__func__, user_ioc->sge_count);
return (ENOENT);
}
/* Get a command */
cmd = mrsas_get_mfi_cmd(sc);
if (!cmd) {
device_printf(sc->mrsas_dev, "Failed to get a free cmd for IOCTL\n");
return (ENOMEM);
}
/*
* User's IOCTL packet has 2 frames (maximum). Copy those two
* frames into our cmd's frames. cmd->frame's context will get
* overwritten when we copy from user's frames. So set that value
* alone separately
* User's IOCTL packet has 2 frames (maximum). Copy those two frames
* into our cmd's frames. cmd->frame's context will get overwritten
* when we copy from user's frames. So set that value alone
* separately
*/
memcpy(cmd->frame, user_ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE);
cmd->frame->hdr.context = cmd->index;
@ -131,12 +127,12 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
MFI_FRAME_SENSE64);
/*
* The management interface between applications and the fw uses
* MFI frames. E.g, RAID configuration changes, LD property changes
* etc are accomplishes through different kinds of MFI frames. The
* driver needs to care only about substituting user buffers with
* kernel buffers in SGLs. The location of SGL is embedded in the
* struct iocpacket itself.
* The management interface between applications and the fw uses MFI
* frames. E.g, RAID configuration changes, LD property changes etc
* are accomplishes through different kinds of MFI frames. The driver
* needs to care only about substituting user buffers with kernel
* buffers in SGLs. The location of SGL is embedded in the struct
* iocpacket itself.
*/
kern_sge32 = (struct mrsas_sge32 *)
((unsigned long)cmd->frame + user_ioc->sgl_off);
@ -156,16 +152,16 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
ioctl_data_size = user_ioc32->sgl[i].iov_len;
#endif
}
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
1, 0, // algnmnt, boundary
BUS_SPACE_MAXADDR_32BIT,// lowaddr
BUS_SPACE_MAXADDR, // highaddr
NULL, NULL, // filter, filterarg
ioctl_data_size, // maxsize
1, // msegments
ioctl_data_size, // maxsegsize
BUS_DMA_ALLOCNOW, // flags
NULL, NULL, // lockfunc, lockarg
if (bus_dma_tag_create(sc->mrsas_parent_tag,
1, 0,
BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR,
NULL, NULL,
ioctl_data_size,
1,
ioctl_data_size,
BUS_DMA_ALLOCNOW,
NULL, NULL,
&ioctl_data_tag[i])) {
device_printf(sc->mrsas_dev, "Cannot allocate ioctl data tag\n");
ret = ENOMEM;
@ -184,7 +180,6 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
ret = ENOMEM;
goto out;
}
/* Save the physical address and length */
kern_sge32[i].phys_addr = (u_int32_t)ioctl_data_phys_addr[i];
@ -213,16 +208,16 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
ioctl_sense_size = user_ioc->sense_len;
if (user_ioc->sense_len) {
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
1, 0, // algnmnt, boundary
BUS_SPACE_MAXADDR_32BIT,// lowaddr
BUS_SPACE_MAXADDR, // highaddr
NULL, NULL, // filter, filterarg
ioctl_sense_size, // maxsize
1, // msegments
ioctl_sense_size, // maxsegsize
BUS_DMA_ALLOCNOW, // flags
NULL, NULL, // lockfunc, lockarg
if (bus_dma_tag_create(sc->mrsas_parent_tag,
1, 0,
BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR,
NULL, NULL,
ioctl_sense_size,
1,
ioctl_sense_size,
BUS_DMA_ALLOCNOW,
NULL, NULL,
&ioctl_sense_tag)) {
device_printf(sc->mrsas_dev, "Cannot allocate ioctl sense tag\n");
ret = ENOMEM;
@ -245,7 +240,6 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
(unsigned long *)((unsigned long)cmd->frame + user_ioc->sense_off);
sense_ptr = ioctl_sense_mem;
}
/*
* Set the sync_cmd flag so that the ISR knows not to complete this
* cmd to the SCSI mid-layer
@ -280,8 +274,8 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
*/
if (user_ioc->sense_len) {
/*
* sense_buff points to the location that has the user
* sense buffer address
* sense_buff points to the location that has the user sense
* buffer address
*/
sense_ptr = (unsigned long *)((unsigned long)user_ioc->frame.raw +
user_ioc->sense_off);
@ -292,7 +286,6 @@ int mrsas_passthru( struct mrsas_softc *sc, void *arg, u_long ioctlCmd )
goto out;
}
}
/*
* Return command status to user space
*/
@ -337,7 +330,7 @@ out:
return (ret);
}
/**
/*
* mrsas_alloc_mfi_cmds: Allocates the command packets
* input: Adapter instance soft state
*
@ -347,7 +340,8 @@ out:
* mrsas_mfi_cmd given the context. The free commands are maintained in a
* linked list.
*/
int mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
int
mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
{
int i, j;
u_int32_t max_cmd;
@ -356,8 +350,9 @@ int mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
max_cmd = MRSAS_MAX_MFI_CMDS;
/*
* sc->mfi_cmd_list is an array of struct mrsas_mfi_cmd pointers. Allocate the
* dynamic array first and then allocate individual commands.
* sc->mfi_cmd_list is an array of struct mrsas_mfi_cmd pointers.
* Allocate the dynamic array first and then allocate individual
* commands.
*/
sc->mfi_cmd_list = malloc(sizeof(struct mrsas_mfi_cmd *) * max_cmd, M_MRSAS, M_NOWAIT);
if (!sc->mfi_cmd_list) {
@ -389,7 +384,8 @@ int mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
/* create a frame pool and assign one frame to each command */
if (mrsas_create_frame_pool(sc)) {
device_printf(sc->mrsas_dev, "Cannot allocate DMA frame pool.\n");
for (i = 0; i < MRSAS_MAX_MFI_CMDS; i++) { // Free the frames
/* Free the frames */
for (i = 0; i < MRSAS_MAX_MFI_CMDS; i++) {
cmd = sc->mfi_cmd_list[i];
mrsas_free_frame(sc, cmd);
}
@ -397,12 +393,11 @@ int mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
bus_dma_tag_destroy(sc->mficmd_frame_tag);
return (ENOMEM);
}
return (0);
}
/**
* mrsas_create_frame_pool - Creates DMA pool for cmd frames
/*
* mrsas_create_frame_pool: Creates DMA pool for cmd frames
* input: Adapter soft state
*
* Each command packet has an embedded DMA memory buffer that is used for
@ -411,26 +406,26 @@ int mrsas_alloc_mfi_cmds(struct mrsas_softc *sc)
* PCI pool facility. pad_0 is initialized to 0 to prevent corrupting value
* of context and could cause FW crash.
*/
static int mrsas_create_frame_pool(struct mrsas_softc *sc)
static int
mrsas_create_frame_pool(struct mrsas_softc *sc)
{
int i;
struct mrsas_mfi_cmd *cmd;
if (bus_dma_tag_create( sc->mrsas_parent_tag, // parent
1, 0, // algnmnt, boundary
BUS_SPACE_MAXADDR_32BIT,// lowaddr
BUS_SPACE_MAXADDR, // highaddr
NULL, NULL, // filter, filterarg
MRSAS_MFI_FRAME_SIZE, // maxsize
1, // msegments
MRSAS_MFI_FRAME_SIZE, // maxsegsize
BUS_DMA_ALLOCNOW, // flags
NULL, NULL, // lockfunc, lockarg
if (bus_dma_tag_create(sc->mrsas_parent_tag,
1, 0,
BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR,
NULL, NULL,
MRSAS_MFI_FRAME_SIZE,
1,
MRSAS_MFI_FRAME_SIZE,
BUS_DMA_ALLOCNOW,
NULL, NULL,
&sc->mficmd_frame_tag)) {
device_printf(sc->mrsas_dev, "Cannot create MFI frame tag\n");
return (ENOMEM);
}
for (i = 0; i < MRSAS_MAX_MFI_CMDS; i++) {
cmd = sc->mfi_cmd_list[i];
cmd->frame = mrsas_alloc_frame(sc, cmd);
@ -446,14 +441,15 @@ static int mrsas_create_frame_pool(struct mrsas_softc *sc)
return (0);
}
/**
* mrsas_alloc_frame - Allocates MFI Frames
/*
* mrsas_alloc_frame: Allocates MFI Frames
* input: Adapter soft state
*
* Create bus DMA memory tag and dmamap and load memory for MFI frames.
* Returns virtual memory pointer to allocated region.
* Create bus DMA memory tag and dmamap and load memory for MFI frames. Returns
* virtual memory pointer to allocated region.
*/
void *mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
void *
mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
{
u_int32_t frame_size = MRSAS_MFI_FRAME_SIZE;
@ -468,7 +464,6 @@ void *mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
device_printf(sc->mrsas_dev, "Cannot load IO request memory\n");
return (NULL);
}
return (cmd->frame_mem);
}
@ -479,11 +474,12 @@ void *mrsas_alloc_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
* number of segments,
* error code.
*
* This function is for the driver to receive mapping information resultant
* of the bus_dmamap_load(). The information is actually not being used,
* but the address is saved anyway.
* This function is for the driver to receive mapping information resultant of
* the bus_dmamap_load(). The information is actually not being used, but the
* address is saved anyway.
*/
static void mrsas_alloc_cb(void *arg, bus_dma_segment_t *segs,
static void
mrsas_alloc_cb(void *arg, bus_dma_segment_t *segs,
int nsegs, int error)
{
bus_addr_t *addr;
@ -492,14 +488,15 @@ static void mrsas_alloc_cb(void *arg, bus_dma_segment_t *segs,
*addr = segs[0].ds_addr;
}
/**
/*
* mrsas_free_frames: Frees memory for MFI frames
* input: Adapter soft state
*
* Deallocates MFI frames memory. Called from mrsas_free_mem() during
* detach and error case during creation of frame pool.
* Deallocates MFI frames memory. Called from mrsas_free_mem() during detach
* and error case during creation of frame pool.
*/
void mrsas_free_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
void
mrsas_free_frame(struct mrsas_softc *sc, struct mrsas_mfi_cmd *cmd)
{
if (cmd->frame_phys_addr)
bus_dmamap_unload(sc->mficmd_frame_tag, cmd->frame_dmamap);

71
sys/dev/mrsas/mrsas_ioctl.h
View File

@ -1,43 +1,38 @@
/*
* Copyright (c) 2014, LSI Corp.
* All rights reserved.
* Author: Marian Choy
* Copyright (c) 2014, LSI Corp. All rights reserved. Author: Marian Choy
* Support: freebsdraid@lsi.com
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions
* in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of the
* <ORGANIZATION> nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing
* official policies,either expressed or implied, of the FreeBSD Project.
*
* Send feedback to: <megaraidfbsd@lsi.com>
* Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
* ATTN: MegaRaid FreeBSD
* Send feedback to: <megaraidfbsd@lsi.com> Mail to: LSI Corporation, 1621
* Barber Lane, Milpitas, CA 95035 ATTN: MegaRaid FreeBSD
*
*/
@ -62,12 +57,11 @@ __FBSDID("$FreeBSD$");
/*
* We need to use the same values as the mfi driver until MegaCli adds
* support for this (mrsas) driver:
* M is for MegaRAID. (This is typically the vendor or product initial)
* 1 arbitrary. (This may be used to segment kinds of commands.
* (1-9 status, 10-20 policy, etc.)
* struct mrsas_iocpacket (sizeof() this parameter will be used.)
* These three values are encoded into a somewhat unique, 32-bit value.
* support for this (mrsas) driver: M is for MegaRAID. (This is typically the
* vendor or product initial) 1 arbitrary. (This may be used to segment kinds
* of commands. (1-9 status, 10-20 policy, etc.) struct mrsas_iocpacket
* (sizeof() this parameter will be used.) These three values are encoded
* into a somewhat unique, 32-bit value.
*/
#define MRSAS_IOC_FIRMWARE_PASS_THROUGH64 _IOWR('M', 1, struct mrsas_iocpacket)
@ -86,7 +80,8 @@ __FBSDID("$FreeBSD$");
#define INQUIRY_CMD 0x12
#define INQUIRY_CMDLEN 6
#define INQUIRY_REPLY_LEN 96
#define INQUIRY_VENDOR 8 /* Offset in reply data to vendor name */
#define INQUIRY_VENDOR 8 /* Offset in reply data to
* vendor name */
#define SCSI_SENSE_BUFFERSIZE 96
#define MEGAMFI_RAW_FRAME_SIZE 128
@ -106,6 +101,7 @@ struct mrsas_iocpacket {
} frame;
struct iovec sgl[MAX_IOCTL_SGE];
};
#pragma pack()
#ifdef COMPAT_FREEBSD32
@ -123,6 +119,7 @@ struct mrsas_iocpacket32 {
} frame;
struct iovec32 sgl[MAX_IOCTL_SGE];
};
#pragma pack()
#endif /* COMPAT_FREEBSD32 */

71
sys/dev/mrsas/mrsas_linux.c
View File

@ -1,48 +1,43 @@
/*
* Copyright (c) 2014, LSI Corp.
* All rights reserved.
* Author: Kashyap Desai, Sibananda Sahu
* Support: freebsdraid@lsi.com
* Copyright (c) 2014, LSI Corp. All rights reserved. Author: Kashyap Desai,
* Sibananda Sahu Support: freebsdraid@lsi.com
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer. 2. Redistributions
* in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. Neither the name of the
* <ORGANIZATION> nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing
* official policies,either expressed or implied, of the FreeBSD Project.
*
* Send feedback to: <megaraidfbsd@lsi.com>
* Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
* ATTN: MegaRaid FreeBSD
* Send feedback to: <megaraidfbsd@lsi.com> Mail to: LSI Corporation, 1621
* Barber Lane, Milpitas, CA 95035 ATTN: MegaRaid FreeBSD
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
@ -99,11 +94,19 @@ mrsas_linux_modevent(module_t mod __unused, int cmd __unused, void *data __unuse
return (0);
}
/*
* mrsas_linux_ioctl: linux emulator IOCtl commands entry point.
*
* This function is the entry point for IOCtls from linux binaries.
* It calls the mrsas_ioctl function for processing
* depending on the IOCTL command received.
*/
static int
mrsas_linux_ioctl(struct thread *p, struct linux_ioctl_args *args)
{
#if (__FreeBSD_version >= 1000000)
cap_rights_t rights;
#endif
struct file *fp;
int error;
@ -113,12 +116,12 @@ mrsas_linux_ioctl(struct thread *p, struct linux_ioctl_args *args)
error = ENOTSUP;
goto END;
}
#if (__FreeBSD_version >= 1000000)
error = fget(p, args->fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
#elif (__FreeBSD_version <= 900000)
error = fget(p, args->fd, &fp);
#else /* For FreeBSD version greater than 9.0.0 but less than 10.0.0 */
#else /* For FreeBSD version greater than
* 9.0.0 but less than 10.0.0 */
error = fget(p, args->fd, CAP_IOCTL, &fp);
#endif
if (error != 0)