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scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registration

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This code provides the interfaces to register remote and local ports of
FC4 type 0x28 with the FC-NVMe transport and transports the requests
(FC-NVMe FC link services and FC-NVMe commands IUs) to the fabric. It
also provides the support for allocating h/w queues and aborting FC-NVMe
FC requests.

Signed-off-by: Darren Trapp <darren.trapp@cavium.com>
Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com>
Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Duane Grigsby
2017-06-21 13:48:43 -07:00
committed by Martin K. Petersen
parent 7401bc18d1
commit e84067d743
11 changed files with 1024 additions and 9 deletions
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21
drivers/scsi/qla2xxx/qla_mbx.c
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@@ -560,6 +560,8 @@ qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
}
#define EXTENDED_BB_CREDITS BIT_0
#define NVME_ENABLE_FLAG BIT_3
/*
* qla2x00_execute_fw
* Start adapter firmware.
@@ -601,6 +603,9 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
} else
mcp->mb[4] = 0;
if (ql2xnvmeenable && IS_QLA27XX(ha))
mcp->mb[4] |= NVME_ENABLE_FLAG;
if (ha->flags.exlogins_enabled)
mcp->mb[4] |= ENABLE_EXTENDED_LOGIN;
@@ -941,6 +946,22 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1191,
"%s: Firmware supports Exchange Offload 0x%x\n",
__func__, ha->fw_attributes_h);
/* bit 26 of fw_attributes */
if ((ha->fw_attributes_h & 0x400) && ql2xnvmeenable) {
struct init_cb_24xx *icb;
icb = (struct init_cb_24xx *)ha->init_cb;
/*
* fw supports nvme and driver load
* parameter requested nvme
*/
vha->flags.nvme_enabled = 1;
icb->firmware_options_2 &= cpu_to_le32(~0xf);
ha->zio_mode = 0;
ha->zio_timer = 0;
}
}
if (IS_QLA27XX(ha)) {