qla_mbx.c

来自「优龙2410linux2.6.8内核源代码」· C语言 代码 · 共 2,453 行 · 第 1/4 页

	if (HAS_EXTENDED_IDS(ha)) {
		mcp->mb[1] = loop_id;
		mcp->mb[10] = opt;
		mcp->out_mb |= MBX_10;
	} else {
		mcp->mb[1] = (loop_id << 8) | opt;
	}
	mcp->mb[2] = domain;
	mcp->mb[3] = area << 8 | al_pa;

	mcp->in_mb = MBX_7|MBX_6|MBX_2|MBX_1|MBX_0;
	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	/* Return mailbox statuses. */
	if (mb != NULL) {
		mb[0] = mcp->mb[0];
		mb[1] = mcp->mb[1];
		mb[2] = mcp->mb[2];
		mb[6] = mcp->mb[6];
		mb[7] = mcp->mb[7];
	}

	if (rval != QLA_SUCCESS) {
		/* RLU tmp code: need to change main mailbox_command function to
		 * return ok even when the mailbox completion value is not
		 * SUCCESS. The caller needs to be responsible to interpret
		 * the return values of this mailbox command if we're not
		 * to change too much of the existing code.
		 */
		if (mcp->mb[0] == 0x4001 || mcp->mb[0] == 0x4002 ||
		    mcp->mb[0] == 0x4003 || mcp->mb[0] == 0x4005 ||
		    mcp->mb[0] == 0x4006)
			rval = QLA_SUCCESS;

		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_login_fabric(%ld): failed=%x "
		    "mb[0]=%x mb[1]=%x mb[2]=%x.\n", ha->host_no, rval,
		    mcp->mb[0], mcp->mb[1], mcp->mb[2]);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_login_fabric(%ld): done.\n",
		    ha->host_no);)
	}

	return rval;
}

/*
 * qla2x00_login_local_device
 *           Issue login loop port mailbox command.
 *    
 * Input:
 *           ha = adapter block pointer.
 *           loop_id = device loop ID.
 *           opt = command options.
 *          
 * Returns:
 *            Return status code.
 *             
 * Context:
 *            Kernel context.
 *             
 */
int
qla2x00_login_local_device(scsi_qla_host_t *ha, uint16_t loop_id,
    uint16_t *mb_ret, uint8_t opt)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG3(printk("%s(%ld): entered.\n", __func__, ha->host_no);)

	mcp->mb[0] = MBC_LOGIN_LOOP_PORT;
	if (HAS_EXTENDED_IDS(ha))
		mcp->mb[1] = loop_id;
	else
		mcp->mb[1] = loop_id << 8;
	mcp->mb[2] = opt;
	mcp->out_mb = MBX_2|MBX_1|MBX_0;
 	mcp->in_mb = MBX_7|MBX_6|MBX_1|MBX_0;
	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

 	/* Return mailbox statuses. */
 	if (mb_ret != NULL) {
 		mb_ret[0] = mcp->mb[0];
 		mb_ret[1] = mcp->mb[1];
 		mb_ret[6] = mcp->mb[6];
 		mb_ret[7] = mcp->mb[7];
 	}

	if (rval != QLA_SUCCESS) {
 		/* AV tmp code: need to change main mailbox_command function to
 		 * return ok even when the mailbox completion value is not
 		 * SUCCESS. The caller needs to be responsible to interpret
 		 * the return values of this mailbox command if we're not
 		 * to change too much of the existing code.
 		 */
 		if (mcp->mb[0] == 0x4005 || mcp->mb[0] == 0x4006)
 			rval = QLA_SUCCESS;

		DEBUG(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x "
		    "mb[6]=%x mb[7]=%x.\n", __func__, ha->host_no, rval,
		    mcp->mb[0], mcp->mb[1], mcp->mb[6], mcp->mb[7]);)
		DEBUG2_3(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x "
		    "mb[6]=%x mb[7]=%x.\n", __func__, ha->host_no, rval,
		    mcp->mb[0], mcp->mb[1], mcp->mb[6], mcp->mb[7]);)
	} else {
		/*EMPTY*/
		DEBUG3(printk("%s(%ld): done.\n", __func__, ha->host_no);)
	}

	return (rval);
}

/*
 * qla2x00_fabric_logout
 *	Issue logout fabric port mailbox command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	loop_id = device loop ID.
 *	TARGET_QUEUE_LOCK must be released.
 *	ADAPTER_STATE_LOCK must be released.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_fabric_logout(scsi_qla_host_t *ha, uint16_t loop_id)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_fabric_logout(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_LOGOUT_FABRIC_PORT;
	mcp->out_mb = MBX_1|MBX_0;
	if (HAS_EXTENDED_IDS(ha)) {
		mcp->mb[1] = loop_id;
		mcp->mb[10] = 0;
		mcp->out_mb |= MBX_10;
	} else {
		mcp->mb[1] = loop_id << 8;
	}

	mcp->in_mb = MBX_1|MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_fabric_logout(%ld): failed=%x "
		    "mbx1=%x.\n", ha->host_no, rval, mcp->mb[1]);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_fabric_logout(%ld): done.\n",
		    ha->host_no);)
	}

	return rval;
}

/*
 * qla2x00_full_login_lip
 *	Issue full login LIP mailbox command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	TARGET_QUEUE_LOCK must be released.
 *	ADAPTER_STATE_LOCK must be released.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_full_login_lip(scsi_qla_host_t *ha)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_full_login_lip(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_LIP_FULL_LOGIN;
	mcp->mb[1] = 0;
	mcp->mb[2] = 0;
	mcp->mb[3] = 0;
	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_full_login_lip(%ld): failed=%x.\n",
		    ha->instance, rval);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_full_login_lip(%ld): done.\n",
		    ha->host_no);)
	}

	return rval;
}

/*
 * qla2x00_get_id_list
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_get_id_list(scsi_qla_host_t *ha, void *id_list, dma_addr_t id_list_dma,
    uint16_t *entries)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("qla2x00_get_id_list(%ld): entered.\n",
	    ha->host_no);)

	if (id_list == NULL)
		return QLA_FUNCTION_FAILED;

	mcp->mb[0] = MBC_GET_ID_LIST;
	mcp->mb[1] = MSW(id_list_dma);
	mcp->mb[2] = LSW(id_list_dma);
	mcp->mb[3] = MSW(MSD(id_list_dma));
	mcp->mb[6] = LSW(MSD(id_list_dma));
	mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_1|MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("qla2x00_get_id_list(%ld): failed=%x.\n",
		    ha->host_no, rval);)
	} else {
		*entries = mcp->mb[1];
		DEBUG11(printk("qla2x00_get_id_list(%ld): done.\n",
		    ha->host_no);)
	}

	return rval;
}

/*
 * qla2x00_lun_reset
 *	Issue lun reset mailbox command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	loop_id = device loop ID.
 *      lun = lun to be reset.
 *	TARGET_QUEUE_LOCK must be released.
 *	ADAPTER_STATE_LOCK must be released.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_lun_reset(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun)
{
	int		rval;
	mbx_cmd_t	mc;
	mbx_cmd_t	*mcp = &mc;

	mcp->mb[0] = MBC_LUN_RESET;
	if (HAS_EXTENDED_IDS(ha))
		mcp->mb[1] = loop_id;
	else
		mcp->mb[1] = loop_id << 8;
	mcp->mb[2] = lun;
	mcp->out_mb = MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		printk(KERN_WARNING "qla2x00_lun_reset(%d): failed = %d",
		    (int)ha->instance, rval);
	} else {
		/*EMPTY*/
	}

	return rval;
}

/*
 * qla2x00_send_rnid_mbx
 *	Issue RNID ELS using mailbox command
 *
 * Input:
 *	ha = adapter state pointer.
 *	loop_id = loop ID of the target device.
 *	data_fmt = currently supports only 0xDF.
 *	buffer = buffer pointer.
 *	buf_size = size of buffer.
 *	mb_reg = pointer to return mailbox registers.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_send_rnid_mbx(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t data_fmt,
    dma_addr_t buf_phys_addr, size_t buf_size, uint16_t *mb_reg)
{
	int		rval;
	mbx_cmd_t	mc;
	mbx_cmd_t	*mcp = &mc;

	DEBUG11(printk("qla2x00_send_rnid_mbx(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_SEND_RNID_ELS;
	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	if (HAS_EXTENDED_IDS(ha)) {
		mcp->mb[1] = loop_id;
		mcp->mb[10] = data_fmt;
		mcp->out_mb |= MBX_10;
	} else {
		mcp->mb[1] = (loop_id << 8) | data_fmt;
	}
	mcp->mb[2] = MSW(buf_phys_addr);
	mcp->mb[3] = LSW(buf_phys_addr);
	mcp->mb[6] = MSW(MSD(buf_phys_addr));
	mcp->mb[7] = LSW(MSD(buf_phys_addr));

	mcp->in_mb = MBX_1|MBX_0;
	mcp->buf_size = buf_size;
	mcp->flags = MBX_DMA_IN;
	mcp->tov = 30;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		memcpy(mb_reg, mcp->mb, 2 * 2); /* 2 status regs */

		DEBUG2_3_11(printk("qla2x00_send_rnid_mbx(%ld): failed=%x "
		    "mb[1]=%x.\n",
		    ha->host_no, mcp->mb[0], mcp->mb[1]);)
	} else {
		/*EMPTY*/
	 	DEBUG11(printk("qla2x00_send_rnid_mbx(%ld): done.\n",
		     ha->host_no);)
	}

	return (rval);
}

/*
 * qla2x00_set_rnid_params_mbx
 *	Set RNID parameters using mailbox command
 *
 * Input:
 *	ha = adapter state pointer.
 *	buffer = buffer pointer.
 *	buf_size = size of buffer.
 *	mb_reg = pointer to return mailbox registers.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_set_rnid_params_mbx(scsi_qla_host_t *ha, dma_addr_t buf_phys_addr,
    size_t buf_size, uint16_t *mb_reg)
{
	int		rval;
	mbx_cmd_t	mc;
	mbx_cmd_t	*mcp = &mc;

	DEBUG11(printk("qla2x00_set_rnid_params_mbx(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_SET_RNID_PARAMS;
	mcp->mb[1] = 0;
	mcp->mb[2] = MSW(buf_phys_addr);
	mcp->mb[3] = LSW(buf_phys_addr);
	mcp->mb[6] = MSW(MSD(buf_phys_addr));
	mcp->mb[7] = LSW(MSD(buf_phys_addr));
	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_1|MBX_0;
	mcp->buf_size = buf_size;
	mcp->flags = MBX_DMA_OUT;
	mcp->tov = 30;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		memcpy(mb_reg, mcp->mb, 2 * 2); /* 2 status regs */

		DEBUG2_3_11(printk("qla2x00_set_rnid_params_mbx(%ld): "
		    "failed=%x mb[1]=%x.\n", ha->host_no, mcp->mb[0],
		    mcp->mb[1]);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_set_rnid_params_mbx(%ld): done.\n",
		    ha->host_no);)
	}

	return (rval);
}

/*
 * qla2x00_get_rnid_params_mbx
 *	Get RNID parameters using mailbox command
 *
 * Input:
 *	ha = adapter state pointer.
 *	buffer = buffer pointer.
 *	buf_size = size of buffer.
 *	mb_reg = pointer to return mailbox registers.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_get_rnid_params_mbx(scsi_qla_host_t *ha, dma_addr_t buf_phys_addr,
    size_t buf_size, uint16_t *mb_reg)
{
	int		rval;
	mbx_cmd_t	mc;
	mbx_cmd_t	*mcp = &mc;

	DEBUG11(printk("qla2x00_get_rnid_params_mbx(%ld): entered.\n",
	    ha->host_no);)

	mcp->mb[0] = MBC_GET_RNID_PARAMS;
	mcp->mb[1] = 0;
	mcp->mb[2] = MSW(buf_phys_addr);
	mcp->mb[3] = LSW(buf_phys_addr);
	mcp->mb[6] = MSW(MSD(buf_phys_addr));
	mcp->mb[7] = LSW(MSD(buf_phys_addr));
	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->in_mb = MBX_1|MBX_0;
	mcp->buf_size = buf_size;
	mcp->flags = MBX_DMA_IN;
	mcp->tov = 30;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		memcpy(mb_reg, mcp->mb, 2 * 2); /* 2 status regs */

		DEBUG2_3_11(printk("qla2x00_get_rnid_params_mbx(%ld): "
		    "failed=%x mb[1]=%x.\n", ha->host_no, mcp->mb[0],
		    mcp->mb[1]);)
	} else {
		/*EMPTY*/
		DEBUG11(printk("qla2x00_get_rnid_params_mbx(%ld): done.\n",
		    ha->host_no);)
	}

	return (rval);
}

/*
 * qla2x00_get_resource_cnts
 *	Get current firmware resource counts.
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_get_resource_cnts(scsi_qla_host_t *ha, uint16_t *cur_xchg_cnt,
    uint16_t *orig_xchg_cnt, uint16_t *cur_iocb_cnt, uint16_t *orig_iocb_cnt)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;

	DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));

	mcp->mb[0] = MBC_GET_RESOURCE_COUNTS;
	mcp->out_mb = MBX_0;
	mcp->in_mb = MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
	mcp->tov = 30;
	mcp->flags = 0;
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval != QLA_SUCCESS) {
		/*EMPTY*/
		DEBUG2_3_11(printk("%s(%ld): failed = %x.\n", __func__,
		    ha->host_no, mcp->mb[0]);)
	} else {
		DEBUG11(printk("%s(%ld): done. mb1=%x mb2=%x mb3=%x mb6=%x "
		    "mb7=%x mb10=%x.\n", __func__, ha->host_no,
		    mcp->mb[1], mcp->mb[2], mcp->mb[3], mcp->mb[6], mcp->mb[7], 
		    mcp->mb[10]));

		if (cur_xchg_cnt)
			*cur_xchg_cnt = mcp->mb[3];
		if (orig_xchg_cnt)
			*orig_xchg_cnt = mcp->mb[6];
		if (cur_iocb_cnt)
			*cur_iocb_cnt = mcp->mb[7];
		if (orig_iocb_cnt)
			*orig_iocb_cnt = mcp->mb[10];
	}

	return (rval);
}

#if defined(QL_DEBUG_LEVEL_3)
/*
 * qla2x00_get_fcal_position_map
 *	Get FCAL (LILP) position map using mailbox command
 *
 * Input:
 *	ha = adapter state pointer.
 *	pos_map = buffer pointer (can be NULL).
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
int
qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map)
{
	int rval;
	mbx_cmd_t mc;
	mbx_cmd_t *mcp = &mc;
	char *pmap;
	dma_addr_t pmap_dma;

	pmap = pci_alloc_consistent(ha->pdev, FCAL_MAP_SIZE, &pmap_dma);
	if (pmap  == NULL) {
		DEBUG2_3_11(printk("%s(%ld): **** Mem Alloc Failed ****",
		    __func__, ha->host_no));
		return QLA_MEMORY_ALLOC_FAILED;
	}
	memset(pmap, 0, FCAL_MAP_SIZE);

	mcp->mb[0] = MBC_GET_FC_AL_POSITION_MAP;
	mcp->mb[2] = MSW(pmap_dma);
	mcp->mb[3] = LSW(pmap_dma);
	mcp->mb[6] = MSW(MSD(pmap_dma));
	mcp->mb[7] = LSW(MSD(pmap_dma));
	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
	mcp->in_mb = MBX_1|MBX_0;
	mcp->buf_size = FCAL_MAP_SIZE;
	mcp->flags = MBX_DMA_IN;
	mcp->tov = (ha->login_timeout * 2) + (ha->login_timeout / 2);
	rval = qla2x00_mailbox_command(ha, mcp);

	if (rval == QLA_SUCCESS) {
		DEBUG11(printk("%s(%ld): (mb0=%x/mb1=%x) FC/AL Position Map "
		    "size (%x)\n", __func__, ha->host_no, mcp->mb[0],
		    mcp->mb[1], (unsigned)pmap[0]));
		DEBUG11(qla2x00_dump_buffer(pmap, pmap[0] + 1));

		if (pos_map)
			memcpy(pos_map, pmap, FCAL_MAP_SIZE);
	}
	pci_free_consistent(ha->pdev, FCAL_MAP_SIZE, pmap, pmap_dma);

	if (rval != QLA_SUCCESS) {
		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
		    ha->host_no, rval));
	} else {
		DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
	}

	return rval;
}
#endif