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-rw-r--r--drivers/target/iscsi/cxgbit/Kconfig2
-rw-r--r--drivers/target/iscsi/cxgbit/Makefile1
-rw-r--r--drivers/target/iscsi/cxgbit/cxgbit.h2
-rw-r--r--drivers/target/iscsi/cxgbit/cxgbit_main.c2
-rw-r--r--drivers/target/target_core_iblock.c41
-rw-r--r--drivers/target/target_core_pscsi.c89
6 files changed, 61 insertions, 76 deletions
diff --git a/drivers/target/iscsi/cxgbit/Kconfig b/drivers/target/iscsi/cxgbit/Kconfig
index c9b6a3c758b1..bc6c1d5dfcbb 100644
--- a/drivers/target/iscsi/cxgbit/Kconfig
+++ b/drivers/target/iscsi/cxgbit/Kconfig
@@ -1,7 +1,7 @@
config ISCSI_TARGET_CXGB4
tristate "Chelsio iSCSI target offload driver"
depends on ISCSI_TARGET && CHELSIO_T4 && INET
- select CHELSIO_T4_UWIRE
+ select CHELSIO_LIB
---help---
To compile this driver as module, choose M here: the module
will be called cxgbit.
diff --git a/drivers/target/iscsi/cxgbit/Makefile b/drivers/target/iscsi/cxgbit/Makefile
index bd56c073dff6..4893ec29b6b3 100644
--- a/drivers/target/iscsi/cxgbit/Makefile
+++ b/drivers/target/iscsi/cxgbit/Makefile
@@ -1,4 +1,5 @@
ccflags-y := -Idrivers/net/ethernet/chelsio/cxgb4
+ccflags-y += -Idrivers/net/ethernet/chelsio/libcxgb
ccflags-y += -Idrivers/target/iscsi
obj-$(CONFIG_ISCSI_TARGET_CXGB4) += cxgbit.o
diff --git a/drivers/target/iscsi/cxgbit/cxgbit.h b/drivers/target/iscsi/cxgbit/cxgbit.h
index 625c7f6de6b2..90388698c222 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit.h
+++ b/drivers/target/iscsi/cxgbit/cxgbit.h
@@ -37,7 +37,7 @@
#include "cxgb4.h"
#include "cxgb4_uld.h"
#include "l2t.h"
-#include "cxgb4_ppm.h"
+#include "libcxgb_ppm.h"
#include "cxgbit_lro.h"
extern struct mutex cdev_list_lock;
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_main.c b/drivers/target/iscsi/cxgbit/cxgbit_main.c
index 60dccd02bd85..27dd11aff934 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_main.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_main.c
@@ -26,6 +26,8 @@ void _cxgbit_free_cdev(struct kref *kref)
struct cxgbit_device *cdev;
cdev = container_of(kref, struct cxgbit_device, kref);
+
+ cxgbi_ppm_release(cdev2ppm(cdev));
kfree(cdev);
}
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 2077bc28640a..47cf6c977367 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -311,7 +311,8 @@ static void iblock_bio_done(struct bio *bio)
}
static struct bio *
-iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
+iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int op,
+ int op_flags)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
struct bio *bio;
@@ -333,18 +334,19 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
bio->bi_private = cmd;
bio->bi_end_io = &iblock_bio_done;
bio->bi_iter.bi_sector = lba;
+ bio_set_op_attrs(bio, op, op_flags);
return bio;
}
-static void iblock_submit_bios(struct bio_list *list, int rw)
+static void iblock_submit_bios(struct bio_list *list)
{
struct blk_plug plug;
struct bio *bio;
blk_start_plug(&plug);
while ((bio = bio_list_pop(list)))
- submit_bio(rw, bio);
+ submit_bio(bio);
blk_finish_plug(&plug);
}
@@ -386,9 +388,10 @@ iblock_execute_sync_cache(struct se_cmd *cmd)
bio = bio_alloc(GFP_KERNEL, 0);
bio->bi_end_io = iblock_end_io_flush;
bio->bi_bdev = ib_dev->ibd_bd;
+ bio->bi_rw = WRITE_FLUSH;
if (!immed)
bio->bi_private = cmd;
- submit_bio(WRITE_FLUSH, bio);
+ submit_bio(bio);
return 0;
}
@@ -477,7 +480,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
goto fail;
cmd->priv = ibr;
- bio = iblock_get_bio(cmd, block_lba, 1);
+ bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, 0);
if (!bio)
goto fail_free_ibr;
@@ -490,7 +493,8 @@ iblock_execute_write_same(struct se_cmd *cmd)
while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
!= sg->length) {
- bio = iblock_get_bio(cmd, block_lba, 1);
+ bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE,
+ 0);
if (!bio)
goto fail_put_bios;
@@ -503,7 +507,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
sectors -= 1;
}
- iblock_submit_bios(&list, WRITE);
+ iblock_submit_bios(&list);
return 0;
fail_put_bios:
@@ -676,8 +680,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
struct scatterlist *sg;
u32 sg_num = sgl_nents;
unsigned bio_cnt;
- int rw = 0;
- int i;
+ int i, op, op_flags = 0;
if (data_direction == DMA_TO_DEVICE) {
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
@@ -686,18 +689,15 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
* Force writethrough using WRITE_FUA if a volatile write cache
* is not enabled, or if initiator set the Force Unit Access bit.
*/
+ op = REQ_OP_WRITE;
if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) {
if (cmd->se_cmd_flags & SCF_FUA)
- rw = WRITE_FUA;
+ op_flags = WRITE_FUA;
else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags))
- rw = WRITE_FUA;
- else
- rw = WRITE;
- } else {
- rw = WRITE;
+ op_flags = WRITE_FUA;
}
} else {
- rw = READ;
+ op = REQ_OP_READ;
}
ibr = kzalloc(sizeof(struct iblock_req), GFP_KERNEL);
@@ -711,7 +711,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
return 0;
}
- bio = iblock_get_bio(cmd, block_lba, sgl_nents);
+ bio = iblock_get_bio(cmd, block_lba, sgl_nents, op, op_flags);
if (!bio)
goto fail_free_ibr;
@@ -731,11 +731,12 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
!= sg->length) {
if (bio_cnt >= IBLOCK_MAX_BIO_PER_TASK) {
- iblock_submit_bios(&list, rw);
+ iblock_submit_bios(&list);
bio_cnt = 0;
}
- bio = iblock_get_bio(cmd, block_lba, sg_num);
+ bio = iblock_get_bio(cmd, block_lba, sg_num, op,
+ op_flags);
if (!bio)
goto fail_put_bios;
@@ -755,7 +756,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
goto fail_put_bios;
}
- iblock_submit_bios(&list, rw);
+ iblock_submit_bios(&list);
iblock_complete_cmd(cmd);
return 0;
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index de18790eb21c..9125d9358dea 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -876,19 +876,19 @@ static inline struct bio *pscsi_get_bio(int nr_vecs)
static sense_reason_t
pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
- enum dma_data_direction data_direction, struct bio **hbio)
+ struct request *req)
{
struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);
- struct bio *bio = NULL, *tbio = NULL;
+ struct bio *bio = NULL;
struct page *page;
struct scatterlist *sg;
u32 data_len = cmd->data_length, i, len, bytes, off;
int nr_pages = (cmd->data_length + sgl[0].offset +
PAGE_SIZE - 1) >> PAGE_SHIFT;
int nr_vecs = 0, rc;
- int rw = (data_direction == DMA_TO_DEVICE);
+ int rw = (cmd->data_direction == DMA_TO_DEVICE);
- *hbio = NULL;
+ BUG_ON(!cmd->data_length);
pr_debug("PSCSI: nr_pages: %d\n", nr_pages);
@@ -922,21 +922,11 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
goto fail;
if (rw)
- bio->bi_rw |= REQ_WRITE;
+ bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
pr_debug("PSCSI: Allocated bio: %p,"
" dir: %s nr_vecs: %d\n", bio,
(rw) ? "rw" : "r", nr_vecs);
- /*
- * Set *hbio pointer to handle the case:
- * nr_pages > BIO_MAX_PAGES, where additional
- * bios need to be added to complete a given
- * command.
- */
- if (!*hbio)
- *hbio = tbio = bio;
- else
- tbio = tbio->bi_next = bio;
}
pr_debug("PSCSI: Calling bio_add_pc_page() i: %d"
@@ -955,11 +945,16 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
pr_debug("PSCSI: Reached bio->bi_vcnt max:"
" %d i: %d bio: %p, allocating another"
" bio\n", bio->bi_vcnt, i, bio);
+
+ rc = blk_rq_append_bio(req, bio);
+ if (rc) {
+ pr_err("pSCSI: failed to append bio\n");
+ goto fail;
+ }
+
/*
* Clear the pointer so that another bio will
- * be allocated with pscsi_get_bio() above, the
- * current bio has already been set *tbio and
- * bio->bi_next.
+ * be allocated with pscsi_get_bio() above.
*/
bio = NULL;
}
@@ -968,13 +963,16 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
}
}
+ if (bio) {
+ rc = blk_rq_append_bio(req, bio);
+ if (rc) {
+ pr_err("pSCSI: failed to append bio\n");
+ goto fail;
+ }
+ }
+
return 0;
fail:
- while (*hbio) {
- bio = *hbio;
- *hbio = (*hbio)->bi_next;
- bio_endio(bio);
- }
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
@@ -992,11 +990,9 @@ pscsi_execute_cmd(struct se_cmd *cmd)
{
struct scatterlist *sgl = cmd->t_data_sg;
u32 sgl_nents = cmd->t_data_nents;
- enum dma_data_direction data_direction = cmd->data_direction;
struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);
struct pscsi_plugin_task *pt;
struct request *req;
- struct bio *hbio;
sense_reason_t ret;
/*
@@ -1012,31 +1008,21 @@ pscsi_execute_cmd(struct se_cmd *cmd)
memcpy(pt->pscsi_cdb, cmd->t_task_cdb,
scsi_command_size(cmd->t_task_cdb));
- if (!sgl) {
- req = blk_get_request(pdv->pdv_sd->request_queue,
- (data_direction == DMA_TO_DEVICE),
- GFP_KERNEL);
- if (IS_ERR(req)) {
- pr_err("PSCSI: blk_get_request() failed\n");
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- goto fail;
- }
+ req = blk_get_request(pdv->pdv_sd->request_queue,
+ (cmd->data_direction == DMA_TO_DEVICE),
+ GFP_KERNEL);
+ if (IS_ERR(req)) {
+ pr_err("PSCSI: blk_get_request() failed\n");
+ ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ goto fail;
+ }
- blk_rq_set_block_pc(req);
- } else {
- BUG_ON(!cmd->data_length);
+ blk_rq_set_block_pc(req);
- ret = pscsi_map_sg(cmd, sgl, sgl_nents, data_direction, &hbio);
+ if (sgl) {
+ ret = pscsi_map_sg(cmd, sgl, sgl_nents, req);
if (ret)
- goto fail;
-
- req = blk_make_request(pdv->pdv_sd->request_queue, hbio,
- GFP_KERNEL);
- if (IS_ERR(req)) {
- pr_err("pSCSI: blk_make_request() failed\n");
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- goto fail_free_bio;
- }
+ goto fail_put_request;
}
req->end_io = pscsi_req_done;
@@ -1057,13 +1043,8 @@ pscsi_execute_cmd(struct se_cmd *cmd)
return 0;
-fail_free_bio:
- while (hbio) {
- struct bio *bio = hbio;
- hbio = hbio->bi_next;
- bio_endio(bio);
- }
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+fail_put_request:
+ blk_put_request(req);
fail:
kfree(pt);
return ret;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:09:15 +0000