diff options
author | Shyam Sundar <ssundar@marvell.com> | 2020-06-30 13:22:29 +0300 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-07-02 05:25:09 +0300 |
commit | 9f2475fe7406b8ef5f97099c4980021344872d9f (patch) | |
tree | 05703306bd6dfda5f70c61bbfb577f2fae670800 /drivers/scsi/qla2xxx/qla_os.c | |
parent | 62e9dd177732843ae6c5b9d2ed61e7c9538fa276 (diff) | |
download | linux-9f2475fe7406b8ef5f97099c4980021344872d9f.tar.xz |
scsi: qla2xxx: SAN congestion management implementation
* Firmware Initialization with SCM enabled based on NVRAM setting and
firmware support (About Firmware).
* Enable PUREX and add support for fabric performance impact
notification (FPIN) handling.
* Allocate a default PUREX item for each vha to handle memory allocation
failures in ISR.
Link: https://lore.kernel.org/r/20200630102229.29660-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.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 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 80ce22cfc1b9..9b59f032a569 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4218,6 +4218,16 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, "ex_init_cb=%p.\n", ha->ex_init_cb); } + /* Get consistent memory allocated for Special Features-CB. */ + if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { + ha->sf_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, + &ha->sf_init_cb_dma); + if (!ha->sf_init_cb) + goto fail_sf_init_cb; + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199, + "sf_init_cb=%p.\n", ha->sf_init_cb); + } + INIT_LIST_HEAD(&ha->gbl_dsd_list); /* Get consistent memory allocated for Async Port-Database. */ @@ -4271,6 +4281,8 @@ fail_sfp_data: fail_loop_id_map: dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); fail_async_pd: + dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma); +fail_sf_init_cb: dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); fail_ex_init_cb: kfree(ha->npiv_info); @@ -4693,6 +4705,10 @@ qla2x00_mem_free(struct qla_hw_data *ha) ha->ms_iocb = NULL; ha->ms_iocb_dma = 0; + if (ha->sf_init_cb) + dma_pool_free(ha->s_dma_pool, + ha->sf_init_cb, ha->sf_init_cb_dma); + if (ha->ex_init_cb) dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); @@ -4780,6 +4796,8 @@ qla2x00_mem_free(struct qla_hw_data *ha) kfree(ha->swl); ha->swl = NULL; kfree(ha->loop_id_map); + ha->sf_init_cb = NULL; + ha->sf_init_cb_dma = 0; ha->loop_id_map = NULL; } |