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Commit be25152c authored Mar 15, 2017 by Quinn Tran Committed by Nicholas Bellinger Mar 18, 2017

qla2xxx: Improve T10-DIF/PI handling in driver.



Add routines to support T10 DIF tag.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

parent 5b33469a

drivers/scsi/qla2xxx/qla_dbg.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -348,6 +348,7 @@ ql_log_pci(uint32_t, struct pci_dev pdev, int32_t, const char fmt, ...);
		#define ql_dbg_tgt 0x00004000 /* Target mode */
		#define ql_dbg_tgt_mgt 0x00002000 /* Target mode management */
		#define ql_dbg_tgt_tmr 0x00001000 /* Target mode task management */
		#define ql_dbg_tgt_dif 0x00000800 /* Target mode dif */

		extern int qla27xx_dump_mpi_ram(struct qla_hw_data , uint32_t, uint32_t ,
		uint32_t, void **);

drivers/scsi/qla2xxx/qla_def.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -3127,6 +3127,16 @@ struct bidi_statistics {
		unsigned long long transfer_bytes;
		};

		struct qla_tc_param {
		struct scsi_qla_host *vha;
		uint32_t blk_sz;
		uint32_t bufflen;
		struct scatterlist *sg;
		struct scatterlist *prot_sg;
		struct crc_context *ctx;
		uint8_t *ctx_dsd_alloced;
		};

		/* Multi queue support */
		#define MBC_INITIALIZE_MULTIQ 0x1f
		#define QLA_QUE_PAGE 0X1000

drivers/scsi/qla2xxx/qla_gbl.h

+3 −3

Original line number	Diff line number	Diff line
		@@ -256,11 +256,11 @@ extern unsigned long qla2x00_get_async_timeout(struct scsi_qla_host *);
		extern void qla2x00_alloc_iocbs(scsi_qla_host_t , srb_t *);
		extern int qla2x00_issue_marker(scsi_qla_host_t *, int);
		extern int qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data , srb_t ,
		uint32_t , uint16_t, struct qla_tgt_cmd );
		uint32_t , uint16_t, struct qla_tc_param );
		extern int qla24xx_walk_and_build_sglist(struct qla_hw_data , srb_t ,
		uint32_t , uint16_t, struct qla_tgt_cmd );
		uint32_t , uint16_t, struct qla_tc_param );
		extern int qla24xx_walk_and_build_prot_sglist(struct qla_hw_data , srb_t ,
		uint32_t , uint16_t, struct qla_tgt_cmd );
		uint32_t , uint16_t, struct qla_tc_param );
		extern int qla24xx_get_one_block_sg(uint32_t, struct qla2_sgx , uint32_t );
		extern int qla24xx_configure_prot_mode(srb_t , uint16_t );
		extern int qla24xx_build_scsi_crc_2_iocbs(srb_t *,

drivers/scsi/qla2xxx/qla_iocb.c

+6 −7

Original line number	Diff line number	Diff line
		@@ -889,7 +889,7 @@ qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx,

		int
		qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data ha, srb_t sp,
		uint32_t dsd, uint16_t tot_dsds, struct qla_tgt_cmd tc)
		uint32_t dsd, uint16_t tot_dsds, struct qla_tc_param tc)
		{
		void *next_dsd;
		uint8_t avail_dsds = 0;
		@@ -898,7 +898,6 @@ qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data ha, srb_t sp,
		struct scatterlist *sg_prot;
		uint32_t *cur_dsd = dsd;
		uint16_t used_dsds = tot_dsds;

		uint32_t prot_int; /* protection interval */
		uint32_t partial;
		struct qla2_sgx sgx;
		@@ -966,7 +965,7 @@ qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data ha, srb_t sp,
		} else {
		list_add_tail(&dsd_ptr->list,
		&(tc->ctx->dsd_list));
		tc->ctx_dsd_alloced = 1;
		*tc->ctx_dsd_alloced = 1;
		}


		@@ -1005,7 +1004,7 @@ qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data ha, srb_t sp,

		int
		qla24xx_walk_and_build_sglist(struct qla_hw_data ha, srb_t sp, uint32_t *dsd,
		uint16_t tot_dsds, struct qla_tgt_cmd *tc)
		uint16_t tot_dsds, struct qla_tc_param *tc)
		{
		void *next_dsd;
		uint8_t avail_dsds = 0;
		@@ -1066,7 +1065,7 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data ha, srb_t sp, uint32_t *dsd,
		} else {
		list_add_tail(&dsd_ptr->list,
		&(tc->ctx->dsd_list));
		tc->ctx_dsd_alloced = 1;
		*tc->ctx_dsd_alloced = 1;
		}

		/* add new list to cmd iocb or last list */
		@@ -1092,7 +1091,7 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data ha, srb_t sp, uint32_t *dsd,

		int
		qla24xx_walk_and_build_prot_sglist(struct qla_hw_data ha, srb_t sp,
		uint32_t dsd, uint16_t tot_dsds, struct qla_tgt_cmd tc)
		uint32_t dsd, uint16_t tot_dsds, struct qla_tc_param tc)
		{
		void *next_dsd;
		uint8_t avail_dsds = 0;
		@@ -1158,7 +1157,7 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data ha, srb_t sp,
		} else {
		list_add_tail(&dsd_ptr->list,
		&(tc->ctx->dsd_list));
		tc->ctx_dsd_alloced = 1;
		*tc->ctx_dsd_alloced = 1;
		}

		/* add new list to cmd iocb or last list */

drivers/scsi/qla2xxx/qla_target.c

+321 −219

File changed.

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