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-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c57
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h4
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h3
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c38
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c4
6 files changed, 107 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 524ceb9b928..e8c1c9e01a7 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -692,6 +692,58 @@ static struct bin_attribute sysfs_edc_status_attr = {
.read = qla2x00_sysfs_read_edc_status,
};
+static ssize_t
+qla2x00_sysfs_read_xgmac_stats(struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
+ struct device, kobj)));
+ struct qla_hw_data *ha = vha->hw;
+ int rval;
+ uint16_t actual_size;
+
+ if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
+ return 0;
+
+ if (ha->xgmac_data)
+ goto do_read;
+
+ ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
+ &ha->xgmac_data_dma, GFP_KERNEL);
+ if (!ha->xgmac_data) {
+ qla_printk(KERN_WARNING, ha,
+ "Unable to allocate memory for XGMAC read-data.\n");
+ return 0;
+ }
+
+do_read:
+ actual_size = 0;
+ memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
+
+ rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
+ XGMAC_DATA_SIZE, &actual_size);
+ if (rval != QLA_SUCCESS) {
+ qla_printk(KERN_WARNING, ha,
+ "Unable to read XGMAC data (%x).\n", rval);
+ count = 0;
+ }
+
+ count = actual_size > count ? count: actual_size;
+ memcpy(buf, ha->xgmac_data, count);
+
+ return count;
+}
+
+static struct bin_attribute sysfs_xgmac_stats_attr = {
+ .attr = {
+ .name = "xgmac_stats",
+ .mode = S_IRUSR,
+ },
+ .size = 0,
+ .read = qla2x00_sysfs_read_xgmac_stats,
+};
+
static struct sysfs_entry {
char *name;
struct bin_attribute *attr;
@@ -706,6 +758,7 @@ static struct sysfs_entry {
{ "reset", &sysfs_reset_attr, },
{ "edc", &sysfs_edc_attr, 2 },
{ "edc_status", &sysfs_edc_status_attr, 2 },
+ { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
{ NULL },
};
@@ -721,6 +774,8 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
continue;
if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
continue;
+ if (iter->is4GBp_only == 3 && !IS_QLA81XX(vha->hw))
+ continue;
ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
iter->attr);
@@ -743,6 +798,8 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
continue;
if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
continue;
+ if (iter->is4GBp_only == 3 && !IS_QLA81XX(ha))
+ continue;
sysfs_remove_bin_file(&host->shost_gendev.kobj,
iter->attr);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 721bae94e43..da941be9b18 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2397,6 +2397,10 @@ struct qla_hw_data {
dma_addr_t edc_data_dma;
uint16_t edc_data_len;
+#define XGMAC_DATA_SIZE PAGE_SIZE
+ void *xgmac_data;
+ dma_addr_t xgmac_data_dma;
+
struct task_struct *dpc_thread;
uint8_t dpc_active; /* DPC routine is active */
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index f389f3da0ba..80ab46cfaca 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -1405,6 +1405,7 @@ struct access_chip_rsp_84xx {
#define MBC_IDC_ACK 0x101
#define MBC_RESTART_MPI_FW 0x3d
#define MBC_FLASH_ACCESS_CTRL 0x3e /* Control flash access. */
+#define MBC_GET_XGMAC_STATS 0x7a
/* Flash access control option field bit definitions */
#define FAC_OPT_FORCE_SEMAPHORE BIT_15
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index f17d525897a..66ba3997c91 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -293,6 +293,9 @@ qla81xx_fac_do_write_enable(scsi_qla_host_t *, int);
extern int
qla81xx_fac_erase_sector(scsi_qla_host_t *, uint32_t, uint32_t);
+extern int
+qla2x00_get_xgmac_stats(scsi_qla_host_t *, dma_addr_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 7d0eeec9ba5..2497fe4ce5a 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3462,3 +3462,41 @@ qla2x00_write_edc(scsi_qla_host_t *vha, uint16_t dev, uint16_t adr,
return rval;
}
+
+int
+qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma,
+ uint16_t size_in_bytes, uint16_t *actual_size)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ if (!IS_QLA81XX(vha->hw))
+ return QLA_FUNCTION_FAILED;
+
+ DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
+
+ mcp->mb[0] = MBC_GET_XGMAC_STATS;
+ 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] = size_in_bytes >> 2;
+ mcp->out_mb = MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+ mcp->in_mb = MBX_2|MBX_1|MBX_0;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+ rval = qla2x00_mailbox_command(vha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=0x%x "
+ "mb[1]=0x%x mb[2]=0x%x.\n", __func__, vha->host_no, rval,
+ mcp->mb[0], mcp->mb[1], mcp->mb[2]));
+ } else {
+ DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
+
+ *actual_size = mcp->mb[2] << 2;
+ }
+
+ return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index f4f53553695..642e976083e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2434,6 +2434,10 @@ qla2x00_mem_free(struct qla_hw_data *ha)
vfree(ha->fw_dump);
}
+ if (ha->xgmac_data)
+ dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
+ ha->xgmac_data, ha->xgmac_data_dma);
+
if (ha->sns_cmd)
dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
ha->sns_cmd, ha->sns_cmd_dma);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 19:27:04 +0000