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scsi: lpfc: SLI path split: Refactor CT paths

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This patch refactors the CT paths to use SLI-4 as the primary interface.

 - Introduce generic lpfc_sli_prep_gen_req jump table routine

 - Introduce generic lpfc_sli_prep_xmit_seq64 jump table routine

 - Rename lpfcdiag_loop_post_rxbufs to lpfcdiag_sli3_loop_post_rxbufs to
   indicate that it is an SLI3 only path

 - Create new prep_wqe routine for unsolicited ELS rsp WQEs.

 - Conversion away from using SLI-3 iocb structures to set/access fields in
   common routines. Use the new generic get/set routines that were added.
   This move changes code from indirect structure references to using local
   variables with the generic routines.

 - Refactor routines when setting non-generic fields, to have both SLI3 and
   SLI4 specific sections. This replaces the set-as-SLI3 then translate to
   SLI4 behavior of the past.

Link: https://lore.kernel.org/r/20220225022308.16486-13-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2022-02-24 18:23:03 -08:00
committed by Martin K. Petersen
parent 2d1928c57d
commit 61910d6a52
6 changed files with 617 additions and 399 deletions
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16
drivers/scsi/lpfc/lpfc.h
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@@ -968,6 +968,13 @@ struct lpfc_hba {
struct lpfc_dmabuf *bmp,
u16 cmd_size, u32 did, u32 elscmd,
u8 tmo, u8 expect_rsp);
void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq,
struct lpfc_dmabuf *bmp, u16 rpi,
u32 num_entry, u8 tmo);
void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq,
struct lpfc_dmabuf *bmp, u16 rpi,
u16 ox_id, u32 num_entry, u8 rctl,
u8 last_seq, u8 cr_cx_cmd);
/* expedite pool */
struct lpfc_epd_pool epd_pool;
@@ -1849,6 +1856,15 @@ u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
return iocbq->iocb.unsli3.rcvsli3.ox_id;
}
static inline
u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
{
if (phba->sli_rev == LPFC_SLI_REV4)
return iocbq->wcqe_cmpl.total_data_placed;
else
return iocbq->iocb.un.genreq64.bdl.bdeSize;
}
static inline
u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
{

268
drivers/scsi/lpfc/lpfc_bsg.c
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File diff suppressed because it is too large Load Diff

8
drivers/scsi/lpfc/lpfc_crtn.h
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@@ -358,6 +358,14 @@ void lpfc_sli_prep_els_req_rsp(struct lpfc_hba *phba,
struct lpfc_vport *vport,
struct lpfc_dmabuf *bmp, u16 cmd_size, u32 did,
u32 elscmd, u8 tmo, u8 expect_rsp);
void lpfc_sli_prep_gen_req(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq,
struct lpfc_dmabuf *bmp, u16 rpi, u32 num_entry,
u8 tmo);
void lpfc_sli_prep_xmit_seq64(struct lpfc_hba *phba,
struct lpfc_iocbq *cmdiocbq,
struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id,
u32 num_entry, u8 rctl, u8 last_seq,
u8 cr_cx_cmd);
struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri);
struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba,
struct lpfc_iocbq *piocbq);

333
drivers/scsi/lpfc/lpfc_ct.c
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File diff suppressed because it is too large Load Diff

390
drivers/scsi/lpfc/lpfc_sli.c
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File diff suppressed because it is too large Load Diff

1
drivers/scsi/lpfc/lpfc_sli.h
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@@ -75,6 +75,7 @@ struct lpfc_iocbq {
IOCB_t iocb; /* SLI-3 */
struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */
u32 unsol_rcv_len; /* Receive len in usol path */
uint8_t num_bdes;
uint8_t abort_bls; /* ABTS by initiator or responder */