Commit 43ef0580 authored Jan 17, 2008 by Andrew Vasquez Committed by James Bottomley Jan 23, 2008

[SCSI] qla2xxx: Retrieve additional HBA port statistics from recent ISPs.



HBAs supporting these additional counters include ISP24xx and
ISP25xx type boards.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

parent 4733fcb1

drivers/scsi/qla2xxx/qla_attr.c

+30 −14

Original line number	Diff line number	Diff line
		@@ -967,35 +967,51 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
		{
		scsi_qla_host_t *ha = shost_priv(shost);
		int rval;
		uint16_t mb_stat[1];
		link_stat_t stat_buf;
		struct link_statistics *stats;
		dma_addr_t stats_dma;
		struct fc_host_statistics *pfc_host_stat;

		rval = QLA_FUNCTION_FAILED;
		pfc_host_stat = &ha->fc_host_stat;
		memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));

		stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
		if (stats == NULL) {
		DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
		__func__, ha->host_no));
		goto done;
		}
		memset(stats, 0, DMA_POOL_SIZE);

		rval = QLA_FUNCTION_FAILED;
		if (IS_FWI2_CAPABLE(ha)) {
		rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
		sizeof(stat_buf) / 4, mb_stat);
		rval = qla24xx_get_isp_stats(ha, stats, stats_dma);
		} else if (atomic_read(&ha->loop_state) == LOOP_READY &&
		!test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
		!test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
		!ha->dpc_active) {
		/* Must be in a 'READY' state for statistics retrieval. */
		rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
		mb_stat);
		rval = qla2x00_get_link_status(ha, ha->loop_id, stats,
		stats_dma);
		}

		if (rval != QLA_SUCCESS)
		goto done;
		goto done_free;

		pfc_host_stat->link_failure_count = stats->link_fail_cnt;
		pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
		pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
		pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
		pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
		pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
		if (IS_FWI2_CAPABLE(ha)) {
		pfc_host_stat->tx_frames = stats->tx_frames;
		pfc_host_stat->rx_frames = stats->rx_frames;
		pfc_host_stat->dumped_frames = stats->dumped_frames;
		pfc_host_stat->nos_count = stats->nos_rcvd;
		}

		pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
		pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
		pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
		pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
		pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
		pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
		done_free:
		dma_pool_free(ha->s_dma_pool, stats, stats_dma);
		done:
		return pfc_host_stat;
		}

drivers/scsi/qla2xxx/qla_def.h

+14 −8

Original line number	Diff line number	Diff line
		@@ -862,14 +862,20 @@ typedef struct {
		#define GLSO_SEND_RPS BIT_0
		#define GLSO_USE_DID BIT_3

		typedef struct {
		struct link_statistics {
		uint32_t link_fail_cnt;
		uint32_t loss_sync_cnt;
		uint32_t loss_sig_cnt;
		uint32_t prim_seq_err_cnt;
		uint32_t inval_xmit_word_cnt;
		uint32_t inval_crc_cnt;
		} link_stat_t;
		uint32_t unused1[0x1b];
		uint32_t tx_frames;
		uint32_t rx_frames;
		uint32_t dumped_frames;
		uint32_t unused2[2];
		uint32_t nos_rcvd;
		};

		/*
		* NVRAM Command values.

drivers/scsi/qla2xxx/qla_gbl.h

+4 −3

Original line number	Diff line number	Diff line
		@@ -222,11 +222,12 @@ extern int
		qla2x00_get_fcal_position_map(scsi_qla_host_t ha, char pos_map);

		extern int
		qla2x00_get_link_status(scsi_qla_host_t , uint16_t, link_stat_t ,
		uint16_t *);
		qla2x00_get_link_status(scsi_qla_host_t , uint16_t, struct link_statistics ,
		dma_addr_t);

		extern int
		qla24xx_get_isp_stats(scsi_qla_host_t , uint32_t , uint32_t, uint16_t *);
		qla24xx_get_isp_stats(scsi_qla_host_t , struct link_statistics ,
		dma_addr_t);

		extern int qla24xx_abort_command(scsi_qla_host_t , srb_t );
		extern int qla24xx_abort_target(fc_port_t *);

drivers/scsi/qla2xxx/qla_mbx.c

+26 −73

Original line number	Diff line number	Diff line
		@@ -2042,29 +2042,20 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t ha, char pos_map)
		*/
		int
		qla2x00_get_link_status(scsi_qla_host_t *ha, uint16_t loop_id,
		link_stat_t ret_buf, uint16_t status)
		struct link_statistics *stats, dma_addr_t stats_dma)
		{
		int rval;
		mbx_cmd_t mc;
		mbx_cmd_t *mcp = &mc;
		link_stat_t *stat_buf;
		dma_addr_t stat_buf_dma;
		uint32_t siter, diter, dwords;

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

		stat_buf = dma_pool_alloc(ha->s_dma_pool, GFP_ATOMIC, &stat_buf_dma);
		if (stat_buf == NULL) {
		DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
		__func__, ha->host_no));
		return BIT_0;
		}
		memset(stat_buf, 0, sizeof(link_stat_t));

		mcp->mb[0] = MBC_GET_LINK_STATUS;
		mcp->mb[2] = MSW(stat_buf_dma);
		mcp->mb[3] = LSW(stat_buf_dma);
		mcp->mb[6] = MSW(MSD(stat_buf_dma));
		mcp->mb[7] = LSW(MSD(stat_buf_dma));
		mcp->mb[2] = MSW(stats_dma);
		mcp->mb[3] = LSW(stats_dma);
		mcp->mb[6] = MSW(MSD(stats_dma));
		mcp->mb[7] = LSW(MSD(stats_dma));
		mcp->out_mb = MBX_7\|MBX_6\|MBX_3\|MBX_2\|MBX_0;
		mcp->in_mb = MBX_0;
		if (IS_FWI2_CAPABLE(ha)) {
		@@ -2089,78 +2080,43 @@ qla2x00_get_link_status(scsi_qla_host_t *ha, uint16_t loop_id,
		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
		DEBUG2_3_11(printk("%s(%ld): cmd failed. mbx0=%x.\n",
		__func__, ha->host_no, mcp->mb[0]));
		status[0] = mcp->mb[0];
		rval = BIT_1;
		rval = QLA_FUNCTION_FAILED;
		} else {
		/* copy over data -- firmware data is LE. */
		ret_buf->link_fail_cnt =
		le32_to_cpu(stat_buf->link_fail_cnt);
		ret_buf->loss_sync_cnt =
		le32_to_cpu(stat_buf->loss_sync_cnt);
		ret_buf->loss_sig_cnt =
		le32_to_cpu(stat_buf->loss_sig_cnt);
		ret_buf->prim_seq_err_cnt =
		le32_to_cpu(stat_buf->prim_seq_err_cnt);
		ret_buf->inval_xmit_word_cnt =
		le32_to_cpu(stat_buf->inval_xmit_word_cnt);
		ret_buf->inval_crc_cnt =
		le32_to_cpu(stat_buf->inval_crc_cnt);

		DEBUG11(printk("%s(%ld): stat dump: fail_cnt=%d "
		"loss_sync=%d loss_sig=%d seq_err=%d "
		"inval_xmt_word=%d inval_crc=%d.\n", __func__,
		ha->host_no, stat_buf->link_fail_cnt,
		stat_buf->loss_sync_cnt, stat_buf->loss_sig_cnt,
		stat_buf->prim_seq_err_cnt,
		stat_buf->inval_xmit_word_cnt,
		stat_buf->inval_crc_cnt));
		/* Copy over data -- firmware data is LE. */
		dwords = offsetof(struct link_statistics, unused1) / 4;
		siter = diter = &stats->link_fail_cnt;
		while (dwords--)
		diter++ = le32_to_cpu(siter++);
		}
		} else {
		/* Failed. */
		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
		ha->host_no, rval));
		rval = BIT_1;
		}

		dma_pool_free(ha->s_dma_pool, stat_buf, stat_buf_dma);

		return rval;
		}

		int
		qla24xx_get_isp_stats(scsi_qla_host_t ha, uint32_t dwbuf, uint32_t dwords,
		uint16_t *status)
		qla24xx_get_isp_stats(scsi_qla_host_t ha, struct link_statistics stats,
		dma_addr_t stats_dma)
		{
		int rval;
		mbx_cmd_t mc;
		mbx_cmd_t *mcp = &mc;
		uint32_t sbuf, siter;
		dma_addr_t sbuf_dma;
		uint32_t siter, diter, dwords;

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

		if (dwords > (DMA_POOL_SIZE / 4)) {
		DEBUG2_3_11(printk("%s(%ld): Unabled to retrieve %d DWORDs "
		"(max %d).\n", __func__, ha->host_no, dwords,
		DMA_POOL_SIZE / 4));
		return BIT_0;
		}
		sbuf = dma_pool_alloc(ha->s_dma_pool, GFP_ATOMIC, &sbuf_dma);
		if (sbuf == NULL) {
		DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
		__func__, ha->host_no));
		return BIT_0;
		}
		memset(sbuf, 0, DMA_POOL_SIZE);

		mcp->mb[0] = MBC_GET_LINK_PRIV_STATS;
		mcp->mb[2] = MSW(sbuf_dma);
		mcp->mb[3] = LSW(sbuf_dma);
		mcp->mb[6] = MSW(MSD(sbuf_dma));
		mcp->mb[7] = LSW(MSD(sbuf_dma));
		mcp->mb[8] = dwords;
		mcp->mb[2] = MSW(stats_dma);
		mcp->mb[3] = LSW(stats_dma);
		mcp->mb[6] = MSW(MSD(stats_dma));
		mcp->mb[7] = LSW(MSD(stats_dma));
		mcp->mb[8] = sizeof(struct link_statistics) / 4;
		mcp->mb[9] = ha->vp_idx;
		mcp->mb[10] = 0;
		mcp->out_mb = MBX_10\|MBX_8\|MBX_7\|MBX_6\|MBX_3\|MBX_2\|MBX_0;
		mcp->out_mb = MBX_10\|MBX_9\|MBX_8\|MBX_7\|MBX_6\|MBX_3\|MBX_2\|MBX_0;
		mcp->in_mb = MBX_2\|MBX_1\|MBX_0;
		mcp->tov = 30;
		mcp->flags = IOCTL_CMD;
		@@ -2170,23 +2126,20 @@ qla24xx_get_isp_stats(scsi_qla_host_t ha, uint32_t dwbuf, uint32_t dwords,
		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
		DEBUG2_3_11(printk("%s(%ld): cmd failed. mbx0=%x.\n",
		__func__, ha->host_no, mcp->mb[0]));
		status[0] = mcp->mb[0];
		rval = BIT_1;
		rval = QLA_FUNCTION_FAILED;
		} else {
		/* Copy over data -- firmware data is LE. */
		siter = sbuf;
		dwords = sizeof(struct link_statistics) / 4;
		siter = diter = &stats->link_fail_cnt;
		while (dwords--)
		dwbuf++ = le32_to_cpu(siter++);
		diter++ = le32_to_cpu(siter++);
		}
		} else {
		/* Failed. */
		DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
		ha->host_no, rval));
		rval = BIT_1;
		}

		dma_pool_free(ha->s_dma_pool, sbuf, sbuf_dma);

		return rval;
		}