diff options
Diffstat (limited to 'drivers/target')
-rw-r--r-- | drivers/target/iscsi/cxgbit/Kconfig | 2 | ||||
-rw-r--r-- | drivers/target/iscsi/cxgbit/Makefile | 1 | ||||
-rw-r--r-- | drivers/target/iscsi/cxgbit/cxgbit.h | 2 | ||||
-rw-r--r-- | drivers/target/iscsi/cxgbit/cxgbit_main.c | 2 | ||||
-rw-r--r-- | drivers/target/target_core_file.c | 2 | ||||
-rw-r--r-- | drivers/target/target_core_iblock.c | 41 | ||||
-rw-r--r-- | drivers/target/target_core_pscsi.c | 89 | ||||
-rw-r--r-- | drivers/target/target_core_transport.c | 16 | ||||
-rw-r--r-- | drivers/target/tcm_fc/tfc_sess.c | 2 |
9 files changed, 79 insertions, 78 deletions
diff --git a/drivers/target/iscsi/cxgbit/Kconfig b/drivers/target/iscsi/cxgbit/Kconfig index c9b6a3c75..bc6c1d5df 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 bd56c073d..4893ec29b 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 625c7f6de..90388698c 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 60dccd02b..27dd11aff 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_file.c b/drivers/target/target_core_file.c index 79291869b..d545993df 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -522,7 +522,7 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, */ if (cmd->data_length > FD_MAX_BYTES) { pr_err("FILEIO: Not able to process I/O of %u bytes due to" - "FD_MAX_BYTES: %u iovec count limitiation\n", + "FD_MAX_BYTES: %u iovec count limitation\n", cmd->data_length, FD_MAX_BYTES); return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 2077bc286..372d74431 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_set_op_attrs(bio, REQ_OP_WRITE, 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 de18790eb..9125d9358 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; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 42c2a44b8..6094a6bed 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -754,7 +754,15 @@ EXPORT_SYMBOL(target_complete_cmd); void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int length) { - if (scsi_status == SAM_STAT_GOOD && length < cmd->data_length) { + if (scsi_status != SAM_STAT_GOOD) { + return; + } + + /* + * Calculate new residual count based upon length of SCSI data + * transferred. + */ + if (length < cmd->data_length) { if (cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) { cmd->residual_count += cmd->data_length - length; } else { @@ -763,6 +771,12 @@ void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int len } cmd->data_length = length; + } else if (length > cmd->data_length) { + cmd->se_cmd_flags |= SCF_OVERFLOW_BIT; + cmd->residual_count = length - cmd->data_length; + } else { + cmd->se_cmd_flags &= ~(SCF_OVERFLOW_BIT | SCF_UNDERFLOW_BIT); + cmd->residual_count = 0; } target_complete_cmd(cmd, scsi_status); diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index f5186a744..6ffbb603d 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -91,6 +91,7 @@ static void ft_tport_delete(struct ft_tport *tport) ft_sess_delete_all(tport); lport = tport->lport; + lport->service_params &= ~FCP_SPPF_TARG_FCN; BUG_ON(tport != lport->prov[FC_TYPE_FCP]); RCU_INIT_POINTER(lport->prov[FC_TYPE_FCP], NULL); @@ -110,6 +111,7 @@ void ft_lport_add(struct fc_lport *lport, void *arg) { mutex_lock(&ft_lport_lock); ft_tport_get(lport); + lport->service_params |= FCP_SPPF_TARG_FCN; mutex_unlock(&ft_lport_lock); } |