Bug#374792: linux-2.6: Please add support for CERC ATA100/4ch to the new megaraid_mbox driver)
Tags: fixed, patch
Janusz Krzysztofik wrote:
Ju, Seokmann wrote:
...
Technically, I would recommend you to check F/W version and make sure
it is not higher than 6.61.
I believe the problem happens with 6.62 or higher.
Bingo! megaraid_mbox works for me with F/W 6.61. How did you know?
I enclose a trivial patch that checks for F/W version and displays a
warning if too high. It should make life easier for those who may face
the problem :).
So I think the bug can be closed as a workaround is available.
The patch is optional.
Maybe some info should be included in the Etch release notes?
Thank you,
Janusz
diff -upr linux-source-2.6.18/drivers/scsi/megaraid/megaraid_mbox.c linux-source-2.6.18-cerc/drivers/scsi/megaraid/megaraid_mbox.c
--- linux-source-2.6.18/drivers/scsi/megaraid/megaraid_mbox.c 2006-09-20 05:42:06.000000000 +0200
+++ linux-source-2.6.18-cerc/drivers/scsi/megaraid/megaraid_mbox.c 2006-09-27 17:53:17.000000000 +0200
@@ -25,6 +25,7 @@
* Dell PERC3/QC 101E 1960 1028 0471
* Dell PERC3/DC 101E 1960 1028 0493
* Dell PERC3/SC 101E 1960 1028 0475
+ * Dell CERC ATA100/4ch with F/W<=6.61 101E 1960 1028 0511
* Dell PERC3/Di 1028 1960 1028 0123
* Dell PERC4/SC 1000 1960 1028 0520
* Dell PERC4/DC 1000 1960 1028 0518
@@ -791,6 +792,21 @@ megaraid_init_mbox(adapter_t *adapter)
goto out_alloc_cmds;
}
+ // Compatibility check
+ if (adapter->pdev->vendor == PCI_VENDOR_ID_AMI &&
+ adapter->pdev->device == PCI_DEVICE_ID_AMI_MEGARAID3 &&
+ adapter->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
+ adapter->pdev->subsystem_device == PCI_SUBSYS_ID_CERC_ATA100_4CH &&
+ (adapter->fw_version[0] > '6' ||
+ (adapter->fw_version[0] == '6' &&
+ adapter->fw_version[2] > '6') ||
+ (adapter->fw_version[0] == '6'
+ && adapter->fw_version[2] == '6'
+ && adapter->fw_version[3] > '1'))) {
+ con_log(CL_ANN, (KERN_WARNING
+ "megaraid: problems? downgrade F/W to version 6.61\n"));
+ }
+
// Do we support extended CDBs
adapter->max_cdb_sz = 10;
if (megaraid_mbox_extended_cdb(adapter) == 0) {
diff -upr linux-source-2.6.18/drivers/scsi/megaraid/megaraid_mbox.h linux-source-2.6.18-cerc/drivers/scsi/megaraid/megaraid_mbox.h
--- linux-source-2.6.18/drivers/scsi/megaraid/megaraid_mbox.h 2006-09-20 05:42:06.000000000 +0200
+++ linux-source-2.6.18-cerc/drivers/scsi/megaraid/megaraid_mbox.h 2006-09-27 17:45:25.000000000 +0200
@@ -88,6 +88,7 @@
#define PCI_SUBSYS_ID_PERC3_QC 0x0471
#define PCI_SUBSYS_ID_PERC3_DC 0x0493
#define PCI_SUBSYS_ID_PERC3_SC 0x0475
+#define PCI_SUBSYS_ID_CERC_ATA100_4CH 0x0511
#define MBOX_MAX_SCSI_CMDS 128 // number of cmds reserved for kernel
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