From 88729e53a4798df20e7a7ef68e0a816f4a268da4 Mon Sep 17 00:00:00 2001 From: Andrew Vasquez Date: Fri, 23 Jun 2006 16:10:50 -0700 Subject: [SCSI] qla2xxx: Add DMI (Diagnostics Monitoring Interface) support. Signed-off-by: Andrew Vasquez Signed-off-by: James Bottomley diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 78eec67..1a766b2 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -338,6 +338,53 @@ static struct bin_attribute sysfs_vpd_attr = { .write = qla2x00_sysfs_write_vpd, }; +static ssize_t +qla2x00_sysfs_read_sfp(struct kobject *kobj, char *buf, loff_t off, + size_t count) +{ + struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj, + struct device, kobj))); + uint16_t iter, addr, offset; + int rval; + + if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2) + return 0; + + addr = 0xa0; + for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE; + iter++, offset += SFP_BLOCK_SIZE) { + if (iter == 4) { + /* Skip to next device address. */ + addr = 0xa2; + offset = 0; + } + + rval = qla2x00_read_sfp(ha, ha->sfp_data_dma, addr, offset, + SFP_BLOCK_SIZE); + if (rval != QLA_SUCCESS) { + qla_printk(KERN_WARNING, ha, + "Unable to read SFP data (%x/%x/%x).\n", rval, + addr, offset); + count = 0; + break; + } + memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE); + buf += SFP_BLOCK_SIZE; + } + + return count; +} + +static struct bin_attribute sysfs_sfp_attr = { + .attr = { + .name = "sfp", + .mode = S_IRUSR | S_IWUSR, + .owner = THIS_MODULE, + }, + .size = SFP_DEV_SIZE * 2, + .read = qla2x00_sysfs_read_sfp, +}; + void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) { @@ -349,6 +396,9 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha) sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_ctl_attr); sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr); + if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) + sysfs_create_bin_file(&host->shost_gendev.kobj, + &sysfs_sfp_attr); } void @@ -362,6 +412,9 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha) sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_ctl_attr); sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr); + if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) + sysfs_remove_bin_file(&host->shost_gendev.kobj, + &sysfs_sfp_attr); if (ha->beacon_blink_led == 1) ha->isp_ops.beacon_off(ha); diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index dfcd3a2..bb0b5f5 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -610,6 +610,7 @@ typedef struct { #define MBC_GET_TIMEOUT_PARAMS 0x22 /* Get FW timeouts. */ #define MBC_TRACE_CONTROL 0x27 /* Trace control command. */ #define MBC_GEN_SYSTEM_ERROR 0x2a /* Generate System Error. */ +#define MBC_READ_SFP 0x31 /* Read SFP Data. */ #define MBC_SET_TIMEOUT_PARAMS 0x32 /* Set FW timeouts. */ #define MBC_MID_INITIALIZE_FIRMWARE 0x48 /* MID Initialize firmware. */ #define MBC_MID_GET_VP_DATABASE 0x49 /* MID Get VP Database. */ @@ -2242,6 +2243,11 @@ typedef struct scsi_qla_host { struct sns_cmd_pkt *sns_cmd; dma_addr_t sns_cmd_dma; +#define SFP_DEV_SIZE 256 +#define SFP_BLOCK_SIZE 64 + void *sfp_data; + dma_addr_t sfp_data_dma; + struct task_struct *dpc_thread; uint8_t dpc_active; /* DPC routine is active */ diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index fec1e1c..4edb5d1 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -210,6 +210,9 @@ qla2x00_stop_firmware(scsi_qla_host_t *); extern int qla2x00_trace_control(scsi_qla_host_t *, uint16_t, dma_addr_t, uint16_t); +extern int +qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint16_t, uint16_t, uint16_t); + /* * Global Function Prototypes in qla_isr.c source file. */ diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 3b16d6f..f5e226f 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -2503,4 +2503,40 @@ qla2x00_trace_control(scsi_qla_host_t *ha, uint16_t ctrl, dma_addr_t eft_dma, return rval; } +int +qla2x00_read_sfp(scsi_qla_host_t *ha, dma_addr_t sfp_dma, uint16_t addr, + uint16_t off, uint16_t count) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) + return QLA_FUNCTION_FAILED; + + DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); + + mcp->mb[0] = MBC_READ_SFP; + mcp->mb[1] = addr; + mcp->mb[2] = MSW(sfp_dma); + mcp->mb[3] = LSW(sfp_dma); + mcp->mb[6] = MSW(MSD(sfp_dma)); + mcp->mb[7] = LSW(MSD(sfp_dma)); + mcp->mb[8] = count; + mcp->mb[9] = off; + mcp->mb[10] = 0; + mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|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) { + DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__, + ha->host_no, rval, mcp->mb[0])); + } else { + DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); + } + + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index c16154c..da84ee2 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1979,6 +1979,26 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha) continue; } memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); + + if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { + /* + * Get consistent memory allocated for SFP + * block. + */ + ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, + GFP_KERNEL, &ha->sfp_data_dma); + if (ha->sfp_data == NULL) { + qla_printk(KERN_WARNING, ha, + "Memory Allocation failed - " + "sfp_data\n"); + + qla2x00_mem_free(ha); + msleep(100); + + continue; + } + memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); + } } /* Done all allocations without any error. */ @@ -2034,6 +2054,9 @@ qla2x00_mem_free(scsi_qla_host_t *ha) dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), ha->ct_sns, ha->ct_sns_dma); + if (ha->sfp_data) + dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); + if (ha->ms_iocb) dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); -- cgit v0.10.2