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| author | Manish Rangankar <mrangankar@marvell.com> | 2023-08-21 18:30:37 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-08-21 17:45:14 -0400 |
| commit | 875386b98857822b77ac7f95bdf367b70af5b78c (patch) | |
| tree | bd402bb72574c5b0e5a943c7556d7ac2e8267138 /drivers/scsi/qla2xxx/qla_os.c | |
| parent | ae25f65a351ca9c650887c2b37319fa9a41ec258 (diff) | |
| download | linux-stable-875386b98857822b77ac7f95bdf367b70af5b78c.tar.gz linux-stable-875386b98857822b77ac7f95bdf367b70af5b78c.tar.bz2 linux-stable-875386b98857822b77ac7f95bdf367b70af5b78c.zip | |
scsi: qla2xxx: Add Unsolicited LS Request and Response Support for NVMe
Introduce infrastructure in the driver to support the processing of
unsolicited LS (Link Service) requests. This will involve the utilization
of a new pass-up of unsolicited FC-NVMe request IOCB interface. Unsolicited
requests will be submitted to the NVMe transport layer through
nvme_fc_rcv_ls_req(). Any received LS responses, which are sent using
xmt_ls_rsp(), will be forwarded to the firmware through the existing
Pass-Through IOCB interface, responsible for sending FC-NVMe Link Service
requests and responses.
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230821130045.34850-2-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f31d0ead8919..aa492489a4b8 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4457,8 +4457,9 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16; ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev, - ha->elsrej.size, &ha->elsrej.cdma, GFP_KERNEL); - + ha->elsrej.size, + &ha->elsrej.cdma, + GFP_KERNEL); if (!ha->elsrej.c) { ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff, "Alloc failed for els reject cmd.\n"); @@ -4467,8 +4468,21 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, ha->elsrej.c->er_cmd = ELS_LS_RJT; ha->elsrej.c->er_reason = ELS_RJT_LOGIC; ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA; + + ha->lsrjt.size = sizeof(struct fcnvme_ls_rjt); + ha->lsrjt.c = dma_alloc_coherent(&ha->pdev->dev, ha->lsrjt.size, + &ha->lsrjt.cdma, GFP_KERNEL); + if (!ha->lsrjt.c) { + ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff, + "Alloc failed for nvme fc reject cmd.\n"); + goto fail_lsrjt; + } + return 0; +fail_lsrjt: + dma_free_coherent(&ha->pdev->dev, ha->elsrej.size, + ha->elsrej.c, ha->elsrej.cdma); fail_elsrej: dma_pool_destroy(ha->purex_dma_pool); fail_flt: @@ -4998,6 +5012,12 @@ qla2x00_mem_free(struct qla_hw_data *ha) ha->elsrej.c = NULL; } + if (ha->lsrjt.c) { + dma_free_coherent(&ha->pdev->dev, ha->lsrjt.size, ha->lsrjt.c, + ha->lsrjt.cdma); + ha->lsrjt.c = NULL; + } + ha->init_cb = NULL; ha->init_cb_dma = 0; |