mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[SCSI] qlogicpti: Convert to new SBUS device framework.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
7bd5ed5dd4
commit
3d4253d9af
@ -1,6 +1,6 @@
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/* qlogicpti.c: Performance Technologies QlogicISP sbus card driver.
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*
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* Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
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* Copyright (C) 1996, 2006 David S. Miller (davem@davemloft.net)
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*
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* A lot of this driver was directly stolen from Erik H. Moe's PCI
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* Qlogic ISP driver. Mucho kudos to him for this code.
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@ -46,8 +46,6 @@
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsi_host.h>
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#define MAX_TARGETS 16
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#define MAX_LUNS 8 /* 32 for 1.31 F/W */
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@ -57,7 +55,6 @@
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static struct qlogicpti *qptichain = NULL;
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static DEFINE_SPINLOCK(qptichain_lock);
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static int qptis_running = 0;
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#define PACKB(a, b) (((a)<<4)|(b))
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@ -815,173 +812,6 @@ static int __init qpti_map_queues(struct qlogicpti *qpti)
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return 0;
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}
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/* Detect all PTI Qlogic ISP's in the machine. */
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static int __init qlogicpti_detect(struct scsi_host_template *tpnt)
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{
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struct qlogicpti *qpti;
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struct Scsi_Host *qpti_host;
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struct sbus_bus *sbus;
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struct sbus_dev *sdev;
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int nqptis = 0, nqptis_in_use = 0;
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tpnt->proc_name = "qlogicpti";
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for_each_sbus(sbus) {
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for_each_sbusdev(sdev, sbus) {
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/* Is this a red snapper? */
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if (strcmp(sdev->prom_name, "ptisp") &&
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strcmp(sdev->prom_name, "PTI,ptisp") &&
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strcmp(sdev->prom_name, "QLGC,isp") &&
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strcmp(sdev->prom_name, "SUNW,isp"))
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continue;
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/* Sometimes Antares cards come up not completely
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* setup, and we get a report of a zero IRQ.
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* Skip over them in such cases so we survive.
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*/
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if (sdev->irqs[0] == 0) {
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printk("qpti%d: Adapter reports no interrupt, "
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"skipping over this card.", nqptis);
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continue;
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}
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/* Yep, register and allocate software state. */
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qpti_host = scsi_register(tpnt, sizeof(struct qlogicpti));
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if (!qpti_host) {
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printk("QPTI: Cannot register PTI Qlogic ISP SCSI host");
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continue;
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}
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qpti = (struct qlogicpti *) qpti_host->hostdata;
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/* We are wide capable, 16 targets. */
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qpti_host->max_id = MAX_TARGETS;
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/* Setup back pointers and misc. state. */
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qpti->qhost = qpti_host;
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qpti->sdev = sdev;
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qpti->qpti_id = nqptis++;
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qpti->prom_node = sdev->prom_node;
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prom_getstring(qpti->prom_node, "name",
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qpti->prom_name,
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sizeof(qpti->prom_name));
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/* This is not correct, actually. There's a switch
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* on the PTI cards that put them into "emulation"
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* mode- i.e., report themselves as QLGC,isp
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* instead of PTI,ptisp. The only real substantive
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* difference between non-pti and pti cards is
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* the tmon register. Which is possibly even
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* there for Qlogic cards, but non-functional.
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*/
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qpti->is_pti = (strcmp (qpti->prom_name, "QLGC,isp") != 0);
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qpti_chain_add(qpti);
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if (qpti_map_regs(qpti) < 0)
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goto fail_unlink;
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if (qpti_register_irq(qpti) < 0)
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goto fail_unmap_regs;
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qpti_get_scsi_id(qpti);
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qpti_get_bursts(qpti);
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qpti_get_clock(qpti);
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/* Clear out scsi_cmnd array. */
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memset(qpti->cmd_slots, 0, sizeof(qpti->cmd_slots));
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if (qpti_map_queues(qpti) < 0)
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goto fail_free_irq;
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/* Load the firmware. */
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if (qlogicpti_load_firmware(qpti))
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goto fail_unmap_queues;
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if (qpti->is_pti) {
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/* Check the PTI status reg. */
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if (qlogicpti_verify_tmon(qpti))
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goto fail_unmap_queues;
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}
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/* Reset the ISP and init res/req queues. */
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if (qlogicpti_reset_hardware(qpti_host))
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goto fail_unmap_queues;
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printk("(Firmware v%d.%d.%d)", qpti->fware_majrev,
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qpti->fware_minrev, qpti->fware_micrev);
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{
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char buffer[60];
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prom_getstring (qpti->prom_node,
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"isp-fcode", buffer, 60);
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if (buffer[0])
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printk("(Firmware %s)", buffer);
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if (prom_getbool(qpti->prom_node, "differential"))
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qpti->differential = 1;
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}
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printk (" [%s Wide, using %s interface]\n",
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(qpti->ultra ? "Ultra" : "Fast"),
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(qpti->differential ? "differential" : "single ended"));
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nqptis_in_use++;
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continue;
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fail_unmap_queues:
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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sbus_free_consistent(qpti->sdev,
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QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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sbus_free_consistent(qpti->sdev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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qpti->req_cpu, qpti->req_dvma);
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#undef QSIZE
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fail_free_irq:
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free_irq(qpti->irq, qpti);
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fail_unmap_regs:
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sbus_iounmap(qpti->qregs,
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qpti->sdev->reg_addrs[0].reg_size);
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if (qpti->is_pti)
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sbus_iounmap(qpti->sreg, sizeof(unsigned char));
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fail_unlink:
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qpti_chain_del(qpti);
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scsi_unregister(qpti->qhost);
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}
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}
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if (nqptis)
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printk("QPTI: Total of %d PTI Qlogic/ISP hosts found, %d actually in use.\n",
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nqptis, nqptis_in_use);
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qptis_running = nqptis_in_use;
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return nqptis;
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}
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static int qlogicpti_release(struct Scsi_Host *host)
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{
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struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata;
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/* Remove visibility from IRQ handlers. */
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qpti_chain_del(qpti);
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/* Shut up the card. */
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sbus_writew(0, qpti->qregs + SBUS_CTRL);
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/* Free IRQ handler and unmap Qlogic,ISP and PTI status regs. */
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free_irq(qpti->irq, qpti);
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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sbus_free_consistent(qpti->sdev,
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QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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sbus_free_consistent(qpti->sdev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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qpti->req_cpu, qpti->req_dvma);
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#undef QSIZE
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sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size);
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if (qpti->is_pti)
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sbus_iounmap(qpti->sreg, sizeof(unsigned char));
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return 0;
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}
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const char *qlogicpti_info(struct Scsi_Host *host)
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{
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static char buf[80];
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@ -1551,9 +1381,9 @@ static int qlogicpti_reset(struct scsi_cmnd *Cmnd)
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return return_status;
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}
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static struct scsi_host_template driver_template = {
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.detect = qlogicpti_detect,
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.release = qlogicpti_release,
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static struct scsi_host_template qpti_template = {
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.module = THIS_MODULE,
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.name = "qlogicpti",
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.info = qlogicpti_info,
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.queuecommand = qlogicpti_queuecommand_slow,
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.eh_abort_handler = qlogicpti_abort,
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@ -1565,8 +1395,189 @@ static struct scsi_host_template driver_template = {
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.use_clustering = ENABLE_CLUSTERING,
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};
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static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_device_id *match)
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{
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static int nqptis;
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struct sbus_dev *sdev = to_sbus_device(&dev->dev);
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struct device_node *dp = dev->node;
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struct scsi_host_template *tpnt = match->data;
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struct Scsi_Host *host;
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struct qlogicpti *qpti;
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char *fcode;
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#include "scsi_module.c"
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/* Sometimes Antares cards come up not completely
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* setup, and we get a report of a zero IRQ.
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*/
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if (sdev->irqs[0] == 0)
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return -ENODEV;
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host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti));
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if (!host)
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return -ENOMEM;
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qpti = (struct qlogicpti *) host->hostdata;
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host->max_id = MAX_TARGETS;
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qpti->qhost = host;
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qpti->sdev = sdev;
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qpti->qpti_id = nqptis;
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qpti->prom_node = sdev->prom_node;
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strcpy(qpti->prom_name, sdev->ofdev.node->name);
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qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp");
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if (qpti_map_regs(qpti) < 0)
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goto fail_unlink;
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if (qpti_register_irq(qpti) < 0)
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goto fail_unmap_regs;
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qpti_get_scsi_id(qpti);
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qpti_get_bursts(qpti);
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qpti_get_clock(qpti);
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/* Clear out scsi_cmnd array. */
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memset(qpti->cmd_slots, 0, sizeof(qpti->cmd_slots));
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if (qpti_map_queues(qpti) < 0)
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goto fail_free_irq;
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/* Load the firmware. */
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if (qlogicpti_load_firmware(qpti))
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goto fail_unmap_queues;
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if (qpti->is_pti) {
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/* Check the PTI status reg. */
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if (qlogicpti_verify_tmon(qpti))
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goto fail_unmap_queues;
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}
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/* Reset the ISP and init res/req queues. */
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if (qlogicpti_reset_hardware(host))
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goto fail_unmap_queues;
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if (scsi_add_host(host, &dev->dev))
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goto fail_unmap_queues;
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printk("(Firmware v%d.%d.%d)", qpti->fware_majrev,
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qpti->fware_minrev, qpti->fware_micrev);
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fcode = of_get_property(dp, "isp-fcode", NULL);
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if (fcode && fcode[0])
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printk("(Firmware %s)", fcode);
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if (of_find_property(dp, "differential", NULL) != NULL)
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qpti->differential = 1;
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printk (" [%s Wide, using %s interface]\n",
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(qpti->ultra ? "Ultra" : "Fast"),
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(qpti->differential ? "differential" : "single ended"));
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dev_set_drvdata(&sdev->ofdev.dev, qpti);
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qpti_chain_add(qpti);
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scsi_scan_host(host);
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nqptis++;
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return 0;
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fail_unmap_queues:
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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sbus_free_consistent(qpti->sdev,
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QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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sbus_free_consistent(qpti->sdev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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qpti->req_cpu, qpti->req_dvma);
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#undef QSIZE
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fail_unmap_regs:
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sbus_iounmap(qpti->qregs,
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qpti->sdev->reg_addrs[0].reg_size);
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if (qpti->is_pti)
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sbus_iounmap(qpti->sreg, sizeof(unsigned char));
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fail_free_irq:
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free_irq(qpti->irq, qpti);
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fail_unlink:
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scsi_host_put(host);
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return -ENODEV;
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}
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static int __devexit qpti_sbus_remove(struct of_device *dev)
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{
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struct qlogicpti *qpti = dev_get_drvdata(&dev->dev);
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qpti_chain_del(qpti);
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scsi_remove_host(qpti->qhost);
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/* Shut up the card. */
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sbus_writew(0, qpti->qregs + SBUS_CTRL);
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/* Free IRQ handler and unmap Qlogic,ISP and PTI status regs. */
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free_irq(qpti->irq, qpti);
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#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
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sbus_free_consistent(qpti->sdev,
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QSIZE(RES_QUEUE_LEN),
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qpti->res_cpu, qpti->res_dvma);
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sbus_free_consistent(qpti->sdev,
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QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
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qpti->req_cpu, qpti->req_dvma);
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#undef QSIZE
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sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size);
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if (qpti->is_pti)
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sbus_iounmap(qpti->sreg, sizeof(unsigned char));
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scsi_host_put(qpti->qhost);
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return 0;
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}
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static struct of_device_id qpti_match[] = {
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{
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.name = "ptisp",
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.data = &qpti_template,
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},
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{
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.name = "PTI,ptisp",
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.data = &qpti_template,
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},
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{
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.name = "QLGC,isp",
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.data = &qpti_template,
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},
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{
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.name = "SUNW,isp",
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.data = &qpti_template,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, qpti_match);
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static struct of_platform_driver qpti_sbus_driver = {
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.name = "qpti",
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.match_table = qpti_match,
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.probe = qpti_sbus_probe,
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.remove = __devexit_p(qpti_sbus_remove),
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};
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static int __init qpti_init(void)
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{
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return of_register_driver(&qpti_sbus_driver, &sbus_bus_type);
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}
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static void __exit qpti_exit(void)
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{
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of_unregister_driver(&qpti_sbus_driver);
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}
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MODULE_DESCRIPTION("QlogicISP SBUS driver");
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MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
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MODULE_LICENSE("GPL");
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MODULE_VERSION("2.0");
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module_init(qpti_init);
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module_exit(qpti_exit);
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