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authorMaggie Zhang <xmzhang@brocade.com>2010-12-09 19:11:39 -0800
committerJames Bottomley <James.Bottomley@suse.de>2010-12-21 12:32:47 -0600
commitf314878ab95d4802ddde066096f7b30087cea7ba (patch)
treeb5f45f7be429386ca5b209d9058680f448541a43 /drivers
parente3e7d3eebb08735c8a14cd27f76dac784e9a9b75 (diff)
[SCSI] bfa: remove all SCSI IO callbacks
Remove SCSI IO callbacks, and as a result remove bfa_cb_ioim.h. Signed-off-by: Maggie Zhang <xmzhang@brocade.com> Signed-off-by: Jing Huang <huangj@brocade.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/bfa/bfa_cb_ioim.h169
-rw-r--r--drivers/scsi/bfa/bfa_defs.h4
-rw-r--r--drivers/scsi/bfa/bfa_fc.h5
-rw-r--r--drivers/scsi/bfa/bfa_fcpim.c53
-rw-r--r--drivers/scsi/bfa/bfa_fcpim.h8
-rw-r--r--drivers/scsi/bfa/bfad_im.c10
-rw-r--r--drivers/scsi/bfa/bfi.h2
-rw-r--r--drivers/scsi/bfa/bfi_ms.h2
8 files changed, 49 insertions, 204 deletions
diff --git a/drivers/scsi/bfa/bfa_cb_ioim.h b/drivers/scsi/bfa/bfa_cb_ioim.h
deleted file mode 100644
index afb573878e2..00000000000
--- a/drivers/scsi/bfa/bfa_cb_ioim.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
-
-#ifndef __BFA_HCB_IOIM_H__
-#define __BFA_HCB_IOIM_H__
-
-#include "bfa_os_inc.h"
-/*
- * task attribute values in FCP-2 FCP_CMND IU
- */
-#define SIMPLE_Q 0
-#define HEAD_OF_Q 1
-#define ORDERED_Q 2
-#define ACA_Q 4
-#define UNTAGGED 5
-
-static inline lun_t
-bfad_int_to_lun(u32 luno)
-{
- union {
- __be16 scsi_lun[4];
- lun_t bfa_lun;
- } lun;
-
- lun.bfa_lun = 0;
- lun.scsi_lun[0] = cpu_to_be16(luno);
-
- return lun.bfa_lun;
-}
-
-/*
- * Get LUN for the I/O request
- */
-#define bfa_cb_ioim_get_lun(__dio) \
- bfad_int_to_lun(((struct scsi_cmnd *)__dio)->device->lun)
-
-/*
- * Get CDB for the I/O request
- */
-static inline u8 *
-bfa_cb_ioim_get_cdb(struct bfad_ioim_s *dio)
-{
- struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
-
- return (u8 *) cmnd->cmnd;
-}
-
-/*
- * Get I/O direction (read/write) for the I/O request
- */
-static inline enum fcp_iodir
-bfa_cb_ioim_get_iodir(struct bfad_ioim_s *dio)
-{
- struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
- enum dma_data_direction dmadir;
-
- dmadir = cmnd->sc_data_direction;
- if (dmadir == DMA_TO_DEVICE)
- return FCP_IODIR_WRITE;
- else if (dmadir == DMA_FROM_DEVICE)
- return FCP_IODIR_READ;
- else
- return FCP_IODIR_NONE;
-}
-
-/*
- * Get IO size in bytes for the I/O request
- */
-static inline u32
-bfa_cb_ioim_get_size(struct bfad_ioim_s *dio)
-{
- struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
-
- return scsi_bufflen(cmnd);
-}
-
-/*
- * Get timeout for the I/O request
- */
-static inline u8
-bfa_cb_ioim_get_timeout(struct bfad_ioim_s *dio)
-{
- struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
- /*
- * TBD: need a timeout for scsi passthru
- */
- if (cmnd->device->host == NULL)
- return 4;
-
- return 0;
-}
-
-/*
- * Get Command Reference Number for the I/O request. 0 if none.
- */
-static inline u8
-bfa_cb_ioim_get_crn(struct bfad_ioim_s *dio)
-{
- return 0;
-}
-
-/*
- * Get SAM-3 priority for the I/O request. 0 is default.
- */
-static inline u8
-bfa_cb_ioim_get_priority(struct bfad_ioim_s *dio)
-{
- return 0;
-}
-
-/*
- * Get task attributes for the I/O request. Default is FCP_TASK_ATTR_SIMPLE(0).
- */
-static inline u8
-bfa_cb_ioim_get_taskattr(struct bfad_ioim_s *dio)
-{
- struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
- u8 task_attr = UNTAGGED;
-
- if (cmnd->device->tagged_supported) {
- switch (cmnd->tag) {
- case HEAD_OF_QUEUE_TAG:
- task_attr = HEAD_OF_Q;
- break;
- case ORDERED_QUEUE_TAG:
- task_attr = ORDERED_Q;
- break;
- default:
- task_attr = SIMPLE_Q;
- break;
- }
- }
-
- return task_attr;
-}
-
-/*
- * Get CDB length in bytes for the I/O request. Default is FCP_CMND_CDB_LEN(16).
- */
-static inline u8
-bfa_cb_ioim_get_cdblen(struct bfad_ioim_s *dio)
-{
- struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dio;
-
- return cmnd->cmd_len;
-}
-
-/*
- * Assign queue to be used for the I/O request. This value depends on whether
- * the driver wants to use the queues via any specific algorithm. Currently,
- * this is not supported.
- */
-#define bfa_cb_ioim_get_reqq(__dio) BFA_FALSE
-
-#endif /* __BFA_HCB_IOIM_H__ */
diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h
index 4b5b9e35abb..07b57c4208c 100644
--- a/drivers/scsi/bfa/bfa_defs.h
+++ b/drivers/scsi/bfa/bfa_defs.h
@@ -446,8 +446,8 @@ enum bfa_boot_bootopt {
* Boot lun information.
*/
struct bfa_boot_bootlun_s {
- wwn_t pwwn; /* port wwn of target */
- lun_t lun; /* 64-bit lun */
+ wwn_t pwwn; /* port wwn of target */
+ struct scsi_lun lun; /* 64-bit lun */
};
#pragma pack()
diff --git a/drivers/scsi/bfa/bfa_fc.h b/drivers/scsi/bfa/bfa_fc.h
index ce5274a017f..104a17f70b5 100644
--- a/drivers/scsi/bfa/bfa_fc.h
+++ b/drivers/scsi/bfa/bfa_fc.h
@@ -21,7 +21,6 @@
#include "bfa_os_inc.h"
typedef u64 wwn_t;
-typedef u64 lun_t;
#define WWN_NULL (0)
#define FC_SYMNAME_MAX 256 /* max name server symbolic name size */
@@ -1176,8 +1175,8 @@ struct fc_srr_s {
#define FCP_CMND_LUN_LEN 8
struct fcp_cmnd_s {
- lun_t lun; /* 64-bit LU number */
- u8 crn; /* command reference number */
+ struct scsi_lun lun; /* 64-bit LU number */
+ u8 crn; /* command reference number */
#ifdef __BIGENDIAN
u8 resvd:1,
priority:4, /* FCP-3: SAM-3 priority */
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
index c07ee42345b..455c4f4e1d3 100644
--- a/drivers/scsi/bfa/bfa_fcpim.c
+++ b/drivers/scsi/bfa/bfa_fcpim.c
@@ -16,7 +16,7 @@
*/
#include "bfa_modules.h"
-#include "bfa_cb_ioim.h"
+#include "bfa_os_inc.h"
BFA_TRC_FILE(HAL, FCPIM);
BFA_MODULE(fcpim);
@@ -263,7 +263,7 @@ static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim,
static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete);
static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete);
static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim,
- lun_t lun);
+ struct scsi_lun lun);
static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim);
static void bfa_tskim_cleanp_comp(void *tskim_cbarg);
static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim);
@@ -2315,7 +2315,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
{
struct bfa_itnim_s *itnim = ioim->itnim;
struct bfi_ioim_req_s *m;
- static struct fcp_cmnd_s cmnd_z0 = { 0 };
+ static struct fcp_cmnd_s cmnd_z0 = {{{0}}};
struct bfi_sge_s *sge, *sgpge;
u32 pgdlen = 0;
u32 fcp_dl;
@@ -2324,6 +2324,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
struct bfa_sgpg_s *sgpg;
struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio;
u32 i, sge_id, pgcumsz;
+ enum dma_data_direction dmadir;
/*
* check for room in queue to send request now
@@ -2341,7 +2342,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
*/
m->io_tag = cpu_to_be16(ioim->iotag);
m->rport_hdl = ioim->itnim->rport->fw_handle;
- m->io_timeout = bfa_cb_ioim_get_timeout(ioim->dio);
+ m->io_timeout = 0;
sge = &m->sges[0];
sgpg = ioim->sgpg;
@@ -2412,10 +2413,17 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
* set up I/O command parameters
*/
m->cmnd = cmnd_z0;
- m->cmnd.lun = bfa_cb_ioim_get_lun(ioim->dio);
- m->cmnd.iodir = bfa_cb_ioim_get_iodir(ioim->dio);
- m->cmnd.cdb = *(scsi_cdb_t *)bfa_cb_ioim_get_cdb(ioim->dio);
- fcp_dl = bfa_cb_ioim_get_size(ioim->dio);
+ int_to_scsilun(cmnd->device->lun, &m->cmnd.lun);
+ dmadir = cmnd->sc_data_direction;
+ if (dmadir == DMA_TO_DEVICE)
+ m->cmnd.iodir = FCP_IODIR_WRITE;
+ else if (dmadir == DMA_FROM_DEVICE)
+ m->cmnd.iodir = FCP_IODIR_READ;
+ else
+ m->cmnd.iodir = FCP_IODIR_NONE;
+
+ m->cmnd.cdb = *(scsi_cdb_t *) cmnd->cmnd;
+ fcp_dl = scsi_bufflen(cmnd);
m->cmnd.fcp_dl = cpu_to_be32(fcp_dl);
/*
@@ -2439,7 +2447,7 @@ bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim)
bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa));
}
if (itnim->seq_rec ||
- (bfa_cb_ioim_get_size(ioim->dio) & (sizeof(u32) - 1)))
+ (scsi_bufflen(cmnd) & (sizeof(u32) - 1)))
bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_lpuid(ioim->bfa));
/*
@@ -2769,7 +2777,8 @@ bfa_ioim_profile_start(struct bfa_ioim_s *ioim)
void
bfa_ioim_profile_comp(struct bfa_ioim_s *ioim)
{
- u32 fcp_dl = bfa_cb_ioim_get_size(ioim->dio);
+ struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio;
+ u32 fcp_dl = scsi_bufflen(cmnd);
u32 index = bfa_ioim_get_index(fcp_dl);
u64 end_time = jiffies;
struct bfa_itnim_latency_s *io_lat =
@@ -2895,8 +2904,7 @@ bfa_ioim_start(struct bfa_ioim_s *ioim)
* Obtain the queue over which this request has to be issued
*/
ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ?
- bfa_cb_ioim_get_reqq(ioim->dio) :
- bfa_itnim_get_reqq(ioim);
+ BFA_FALSE : bfa_itnim_get_reqq(ioim);
bfa_sm_send_event(ioim, BFA_IOIM_SM_START);
}
@@ -3186,7 +3194,7 @@ __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete)
}
static bfa_boolean_t
-bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun)
+bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun)
{
switch (tskim->tm_cmnd) {
case FCP_TM_TARGET_RESET:
@@ -3196,7 +3204,7 @@ bfa_tskim_match_scope(struct bfa_tskim_s *tskim, lun_t lun)
case FCP_TM_CLEAR_TASK_SET:
case FCP_TM_LUN_RESET:
case FCP_TM_CLEAR_ACA:
- return (tskim->lun == lun);
+ return (!memcmp(&tskim->lun, &lun, sizeof(lun)));
default:
bfa_assert(0);
@@ -3213,7 +3221,9 @@ bfa_tskim_gather_ios(struct bfa_tskim_s *tskim)
{
struct bfa_itnim_s *itnim = tskim->itnim;
struct bfa_ioim_s *ioim;
- struct list_head *qe, *qen;
+ struct list_head *qe, *qen;
+ struct scsi_cmnd *cmnd;
+ struct scsi_lun scsilun;
INIT_LIST_HEAD(&tskim->io_q);
@@ -3222,8 +3232,9 @@ bfa_tskim_gather_ios(struct bfa_tskim_s *tskim)
*/
list_for_each_safe(qe, qen, &itnim->io_q) {
ioim = (struct bfa_ioim_s *) qe;
- if (bfa_tskim_match_scope
- (tskim, bfa_cb_ioim_get_lun(ioim->dio))) {
+ cmnd = (struct scsi_cmnd *) ioim->dio;
+ int_to_scsilun(cmnd->device->lun, &scsilun);
+ if (bfa_tskim_match_scope(tskim, scsilun)) {
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &tskim->io_q);
}
@@ -3234,8 +3245,9 @@ bfa_tskim_gather_ios(struct bfa_tskim_s *tskim)
*/
list_for_each_safe(qe, qen, &itnim->pending_q) {
ioim = (struct bfa_ioim_s *) qe;
- if (bfa_tskim_match_scope
- (tskim, bfa_cb_ioim_get_lun(ioim->dio))) {
+ cmnd = (struct scsi_cmnd *) ioim->dio;
+ int_to_scsilun(cmnd->device->lun, &scsilun);
+ if (bfa_tskim_match_scope(tskim, scsilun)) {
list_del(&ioim->qe);
list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q);
bfa_ioim_tov(ioim);
@@ -3494,7 +3506,8 @@ bfa_tskim_free(struct bfa_tskim_s *tskim)
* @return None.
*/
void
-bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, lun_t lun,
+bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim,
+ struct scsi_lun lun,
enum fcp_tm_cmnd tm_cmnd, u8 tsecs)
{
tskim->itnim = itnim;
diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
index 18bdc44432a..7d0eababa5d 100644
--- a/drivers/scsi/bfa/bfa_fcpim.h
+++ b/drivers/scsi/bfa/bfa_fcpim.h
@@ -146,9 +146,9 @@ struct bfa_tskim_s {
struct bfa_s *bfa; /* BFA module */
struct bfa_fcpim_mod_s *fcpim; /* parent fcpim module */
struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */
- struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */
- bfa_boolean_t notify; /* notify itnim on TM comp */
- lun_t lun; /* lun if applicable */
+ struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */
+ bfa_boolean_t notify; /* notify itnim on TM comp */
+ struct scsi_lun lun; /* lun if applicable */
enum fcp_tm_cmnd tm_cmnd; /* task management command */
u16 tsk_tag; /* FWI IO tag */
u8 tsecs; /* timeout in seconds */
@@ -389,7 +389,7 @@ struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa,
struct bfad_tskim_s *dtsk);
void bfa_tskim_free(struct bfa_tskim_s *tskim);
void bfa_tskim_start(struct bfa_tskim_s *tskim,
- struct bfa_itnim_s *itnim, lun_t lun,
+ struct bfa_itnim_s *itnim, struct scsi_lun lun,
enum fcp_tm_cmnd tm, u8 t_secs);
void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk,
enum bfi_tskim_status tsk_status);
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index bcab8912dd5..d10adcbf24b 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -21,7 +21,6 @@
#include "bfad_drv.h"
#include "bfad_im.h"
-#include "bfa_cb_ioim.h"
#include "bfa_fcs.h"
BFA_TRC_FILE(LDRV, IM);
@@ -258,6 +257,7 @@ bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd,
struct bfa_tskim_s *tskim;
struct bfa_itnim_s *bfa_itnim;
bfa_status_t rc = BFA_STATUS_OK;
+ struct scsi_lun scsilun;
tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd);
if (!tskim) {
@@ -274,7 +274,8 @@ bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd,
cmnd->host_scribble = NULL;
cmnd->SCp.Status = 0;
bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
- bfa_tskim_start(tskim, bfa_itnim, (lun_t)0,
+ memset(&scsilun, 0, sizeof(scsilun));
+ bfa_tskim_start(tskim, bfa_itnim, scsilun,
FCP_TM_TARGET_RESET, BFAD_TARGET_RESET_TMO);
out:
return rc;
@@ -301,6 +302,7 @@ bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd)
int rc = SUCCESS;
unsigned long flags;
enum bfi_tskim_status task_status;
+ struct scsi_lun scsilun;
spin_lock_irqsave(&bfad->bfad_lock, flags);
itnim = itnim_data->itnim;
@@ -327,8 +329,8 @@ bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd)
cmnd->SCp.ptr = (char *)&wq;
cmnd->SCp.Status = 0;
bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
- bfa_tskim_start(tskim, bfa_itnim,
- bfad_int_to_lun(cmnd->device->lun),
+ int_to_scsilun(cmnd->device->lun, &scsilun);
+ bfa_tskim_start(tskim, bfa_itnim, scsilun,
FCP_TM_LUN_RESET, BFAD_LUN_RESET_TMO);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
diff --git a/drivers/scsi/bfa/bfi.h b/drivers/scsi/bfa/bfi.h
index 27b33c765dd..e1944842704 100644
--- a/drivers/scsi/bfa/bfi.h
+++ b/drivers/scsi/bfa/bfi.h
@@ -399,7 +399,7 @@ union bfi_ioc_i2h_msg_u {
*/
struct bfi_pbc_blun_s {
wwn_t tgt_pwwn;
- lun_t tgt_lun;
+ struct scsi_lun tgt_lun;
};
/*
diff --git a/drivers/scsi/bfa/bfi_ms.h b/drivers/scsi/bfa/bfi_ms.h
index 10288764439..e0e5318ce00 100644
--- a/drivers/scsi/bfa/bfi_ms.h
+++ b/drivers/scsi/bfa/bfi_ms.h
@@ -725,7 +725,7 @@ struct bfi_tskim_req_s {
struct bfi_mhdr_s mh; /* Common msg header */
__be16 tsk_tag; /* task management tag */
u16 itn_fhdl; /* itn firmware handle */
- lun_t lun; /* LU number */
+ struct scsi_lun lun; /* LU number */
u8 tm_flags; /* see enum fcp_tm_cmnd */
u8 t_secs; /* Timeout value in seconds */
u8 rsvd[2];