cregit-Linux how code gets into the kernel

Release 4.7 drivers/scsi/qla2xxx/qla_inline.h

Directory: drivers/scsi/qla2xxx
/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2014 QLogic Corporation
 *
 * See LICENSE.qla2xxx for copyright and licensing details.
 */

#include "qla_target.h"
/**
 * qla24xx_calc_iocbs() - Determine number of Command Type 3 and
 * Continuation Type 1 IOCBs to allocate.
 *
 * @dsds: number of data segment decriptors needed
 *
 * Returns the number of IOCB entries needed to store @dsds.
 */


static inline uint16_t

qla24xx_calc_iocbs(scsi_qla_host_t *vha, uint16_t dsds)
{
	uint16_t iocbs;

	iocbs = 1;
	if (dsds > 1) {
		iocbs += (dsds - 1) / 5;
		if ((dsds - 1) % 5)
			iocbs++;
	}
	return iocbs;
}


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giridhar malavaligiridhar malavali55100.00%1100.00%


Total55100.00%1100.00%



/*
 * qla2x00_debounce_register
 *      Debounce register.
 *
 * Input:
 *      port = register address.
 *
 * Returns:
 *      register value.
 */


static __inline__ uint16_t

qla2x00_debounce_register(volatile uint16_t __iomem *addr)
{
	volatile uint16_t first;
	volatile uint16_t second;

	do {
		first = RD_REG_WORD(addr);
		barrier();
		cpu_relax();
		second = RD_REG_WORD(addr);
	} while (first != second);

	return (first);
}


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james bottomleyjames bottomley5598.21%150.00%


christoph hellwigchristoph hellwig11.79%150.00%


Total56100.00%2100.00%





static inline void

qla2x00_poll(struct rsp_que *rsp)
{
	unsigned long flags;
	struct qla_hw_data *ha = rsp->hw;
	local_irq_save(flags);
	if (IS_P3P_TYPE(ha))
		qla82xx_poll(0, rsp);
	else
		ha->isp_ops->intr_handler(0, rsp);
	local_irq_restore(flags);
}


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andrew vasquezandrew vasquez1727.87%342.86%


james bottomleyjames bottomley1626.23%114.29%


giridhar malavaligiridhar malavali1422.95%114.29%


anirban chakrabortyanirban chakraborty1321.31%114.29%


atul deshmukhatul deshmukh11.64%114.29%


Total61100.00%7100.00%





static inline uint8_t *

host_to_fcp_swap(uint8_t *fcp, uint32_t bsize)
{
       uint32_t *ifcp = (uint32_t *) fcp;
       uint32_t *ofcp = (uint32_t *) fcp;
       uint32_t iter = bsize >> 2;

       for (; iter ; iter--)
               *ofcp++ = swab32(*ifcp++);

       return fcp;
}


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Total64100.00%1100.00%





static inline void

host_to_adap(uint8_t *src, uint8_t *dst, uint32_t bsize)
{
	uint32_t *isrc = (uint32_t *) src;
	__le32 *odest = (__le32 *) dst;
	uint32_t iter = bsize >> 2;

	for ( ; iter--; isrc++)
		*odest++ = cpu_to_le32(*isrc);
}


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giridhar malavaligiridhar malavali5687.50%120.00%


joe carnucciojoe carnuccio34.69%120.00%


andrew vasquezandrew vasquez23.12%120.00%


saurav kashyapsaurav kashyap23.12%120.00%


chad dupuischad dupuis11.56%120.00%


Total64100.00%5100.00%





static inline void

qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
{
	int i;

	if (IS_FWI2_CAPABLE(ha))
		return;

	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
		set_bit(i, ha->loop_id_map);
	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
	set_bit(BROADCAST, ha->loop_id_map);
}


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chad dupuischad dupuis6095.24%150.00%


giridhar malavaligiridhar malavali34.76%150.00%


Total63100.00%2100.00%





static inline int

qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
{
	struct qla_hw_data *ha = vha->hw;
	if (IS_FWI2_CAPABLE(ha))
		return (loop_id > NPH_LAST_HANDLE);

	return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
	    loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST);
}


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andrew vasquezandrew vasquez4778.33%250.00%


anirban chakrabortyanirban chakraborty1118.33%125.00%


chad dupuischad dupuis23.33%125.00%


Total60100.00%4100.00%





static inline void

qla2x00_clear_loop_id(fc_port_t *fcport) {
	struct qla_hw_data *ha = fcport->vha->hw;

	if (fcport->loop_id == FC_NO_LOOP_ID ||
	    qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
		return;

	clear_bit(fcport->loop_id, ha->loop_id_map);
	fcport->loop_id = FC_NO_LOOP_ID;
}


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chad dupuischad dupuis5694.92%150.00%


arun easiarun easi35.08%150.00%


Total59100.00%2100.00%





static inline void

qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp,
	struct qla_tgt_cmd *tc)
{
	struct dsd_dma *dsd_ptr, *tdsd_ptr;
	struct crc_context *ctx;

	if (sp)
		ctx = (struct crc_context *)GET_CMD_CTX_SP(sp);
	else if (tc)
		ctx = (struct crc_context *)tc->ctx;
	else {
		BUG();
		return;
	}

	/* clean up allocated prev pool */
	list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
	    &ctx->dsd_list, list) {
		dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
		    dsd_ptr->dsd_list_dma);
		list_del(&dsd_ptr->list);
		kfree(dsd_ptr);
	}
	INIT_LIST_HEAD(&ctx->dsd_list);
}


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arun easiarun easi6956.56%125.00%


quinn tranquinn tran3226.23%125.00%


giridhar malavaligiridhar malavali1814.75%125.00%


chad dupuischad dupuis32.46%125.00%


Total122100.00%4100.00%





static inline void

qla2x00_set_fcport_state(fc_port_t *fcport, int state)
{
	int old_state;

	old_state = atomic_read(&fcport->state);
	atomic_set(&fcport->state, state);

	/* Don't print state transitions during initial allocation of fcport */
	if (old_state && old_state != state) {
		ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
		    "FCPort state transitioned from %s to %s - "
		    "portid=%02x%02x%02x.\n",
		    port_state_str[old_state], port_state_str[state],
		    fcport->d_id.b.domain, fcport->d_id.b.area,
		    fcport->d_id.b.al_pa);
	}
}


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chad dupuischad dupuis9194.79%150.00%


saurav kashyapsaurav kashyap55.21%150.00%


Total96100.00%2100.00%





static inline int

qla2x00_hba_err_chk_enabled(srb_t *sp)
{
	/*
         * Uncomment when corresponding SCSI changes are done.
         *
        if (!sp->cmd->prot_chk)
                return 0;
         *
         */
	switch (scsi_get_prot_op(GET_CMD_SP(sp))) {
	case SCSI_PROT_READ_STRIP:
	case SCSI_PROT_WRITE_INSERT:
		if (ql2xenablehba_err_chk >= 1)
			return 1;
		break;
	case SCSI_PROT_READ_PASS:
	case SCSI_PROT_WRITE_PASS:
		if (ql2xenablehba_err_chk >= 2)
			return 1;
		break;
	case SCSI_PROT_READ_INSERT:
	case SCSI_PROT_WRITE_STRIP:
		return 1;
	}
	return 0;
}


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arun easiarun easi6595.59%266.67%


giridhar malavaligiridhar malavali34.41%133.33%


Total68100.00%3100.00%





static inline int

qla2x00_reset_active(scsi_qla_host_t *vha)
{
	scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev);

	/* Test appropriate base-vha and vha flags. */
	return test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) ||
	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
	    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
	    test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
}


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andrew vasquezandrew vasquez76100.00%1100.00%


Total76100.00%1100.00%





static inline srb_t *

qla2x00_get_sp(scsi_qla_host_t *vha, fc_port_t *fcport, gfp_t flag)
{
	srb_t *sp = NULL;
	struct qla_hw_data *ha = vha->hw;
	uint8_t bail;

	QLA_VHA_MARK_BUSY(vha, bail);
	if (unlikely(bail))
		return NULL;

	sp = mempool_alloc(ha->srb_mempool, flag);
	if (!sp)
		goto done;

	memset(sp, 0, sizeof(*sp));
	sp->fcport = fcport;
	sp->iocbs = 1;
done:
	if (!sp)
		QLA_VHA_MARK_NOT_BUSY(vha);
	return sp;
}


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giridhar malavaligiridhar malavali113100.00%1100.00%


Total113100.00%1100.00%





static inline void

qla2x00_rel_sp(scsi_qla_host_t *vha, srb_t *sp)
{
	mempool_free(sp, vha->hw->srb_mempool);
	QLA_VHA_MARK_NOT_BUSY(vha);
}


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chad dupuischad dupuis2890.32%150.00%


giridhar malavaligiridhar malavali39.68%150.00%


Total31100.00%2100.00%





static inline void

qla2x00_init_timer(srb_t *sp, unsigned long tmo)
{
	init_timer(&sp->u.iocb_cmd.timer);
	sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ;
	sp->u.iocb_cmd.timer.data = (unsigned long)sp;
	sp->u.iocb_cmd.timer.function = qla2x00_sp_timeout;
	add_timer(&sp->u.iocb_cmd.timer);
	sp->free = qla2x00_sp_free;
	if ((IS_QLAFX00(sp->fcport->vha->hw)) &&
	    (sp->type == SRB_FXIOCB_DCMD))
		init_completion(&sp->u.iocb_cmd.u.fxiocb.fxiocb_comp);
	if (sp->type == SRB_ELS_DCMD)
		init_completion(&sp->u.iocb_cmd.u.els_logo.comp);
}


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giridhar malavaligiridhar malavali12582.24%250.00%


himanshu madhanihimanshu madhani2415.79%125.00%


chad dupuischad dupuis31.97%125.00%


Total152100.00%4100.00%





static inline int

qla2x00_gid_list_size(struct qla_hw_data *ha)
{
	if (IS_QLAFX00(ha))
		return sizeof(uint32_t) * 32;
	else
		return sizeof(struct gid_list_info) * ha->max_fibre_devices;
}


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chad dupuischad dupuis2358.97%150.00%


giridhar malavaligiridhar malavali1641.03%150.00%


Total39100.00%2100.00%





static inline void

qla2x00_handle_mbx_completion(struct qla_hw_data *ha, int status)
{
	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
		set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
		complete(&ha->mbx_intr_comp);
	}
}


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gurinder shergillgurinder shergill69100.00%1100.00%


Total69100.00%1100.00%





static inline void

qla2x00_set_retry_delay_timestamp(fc_port_t *fcport, uint16_t retry_delay)
{
	if (retry_delay)
		fcport->retry_delay_timestamp = jiffies +
		    (retry_delay * HZ / 10);
}

Contributors
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chad dupuischad dupuis32100.00%1100.00%


Total32100.00%1100.00%




Overall Contributors
PersonTokensPropCommitsCommitProp
giridhar malavaligiridhar malavali40731.65%310.34%


chad dupuischad dupuis29923.25%517.24%


andrew vasquezandrew vasquez20616.02%724.14%


arun easiarun easi13710.65%310.34%


james bottomleyjames bottomley725.60%13.45%


gurinder shergillgurinder shergill695.37%13.45%


quinn tranquinn tran352.72%13.45%


himanshu madhanihimanshu madhani241.87%13.45%


anirban chakrabortyanirban chakraborty241.87%13.45%


saurav kashyapsaurav kashyap70.54%26.90%


joe carnucciojoe carnuccio30.23%13.45%


atul deshmukhatul deshmukh10.08%13.45%


christoph hellwigchristoph hellwig10.08%13.45%


armen baloyanarmen baloyan10.08%13.45%


Total1286100.00%29100.00%

  
Directory: drivers/scsi/qla2xxx



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