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-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c130
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h53
2 files changed, 148 insertions, 35 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index a487f414960..4f39dd01936 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -10,7 +10,7 @@
* 2 of the License, or (at your option) any later version.
*
* FILE : megaraid_sas.c
- * Version : v00.00.02.02
+ * Version : v00.00.02.04
*
* Authors:
* Sreenivas Bagalkote <Sreenivas.Bagalkote@lsil.com>
@@ -60,6 +60,12 @@ static struct pci_device_id megasas_pci_table[] = {
PCI_ANY_ID,
},
{
+ PCI_VENDOR_ID_LSI_LOGIC,
+ PCI_DEVICE_ID_LSI_SAS1078R, // ppc IOP
+ PCI_ANY_ID,
+ PCI_ANY_ID,
+ },
+ {
PCI_VENDOR_ID_DELL,
PCI_DEVICE_ID_DELL_PERC5, // xscale IOP
PCI_ANY_ID,
@@ -199,6 +205,86 @@ static struct megasas_instance_template megasas_instance_template_xscale = {
*/
/**
+* The following functions are defined for ppc (deviceid : 0x60)
+* controllers
+*/
+
+/**
+ * megasas_enable_intr_ppc - Enables interrupts
+ * @regs: MFI register set
+ */
+static inline void
+megasas_enable_intr_ppc(struct megasas_register_set __iomem * regs)
+{
+ writel(0xFFFFFFFF, &(regs)->outbound_doorbell_clear);
+
+ writel(~0x80000004, &(regs)->outbound_intr_mask);
+
+ /* Dummy readl to force pci flush */
+ readl(&regs->outbound_intr_mask);
+}
+
+/**
+ * megasas_read_fw_status_reg_ppc - returns the current FW status value
+ * @regs: MFI register set
+ */
+static u32
+megasas_read_fw_status_reg_ppc(struct megasas_register_set __iomem * regs)
+{
+ return readl(&(regs)->outbound_scratch_pad);
+}
+
+/**
+ * megasas_clear_interrupt_ppc - Check & clear interrupt
+ * @regs: MFI register set
+ */
+static int
+megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs)
+{
+ u32 status;
+ /*
+ * Check if it is our interrupt
+ */
+ status = readl(&regs->outbound_intr_status);
+
+ if (!(status & MFI_REPLY_1078_MESSAGE_INTERRUPT)) {
+ return 1;
+ }
+
+ /*
+ * Clear the interrupt by writing back the same value
+ */
+ writel(status, &regs->outbound_doorbell_clear);
+
+ return 0;
+}
+/**
+ * megasas_fire_cmd_ppc - Sends command to the FW
+ * @frame_phys_addr : Physical address of cmd
+ * @frame_count : Number of frames for the command
+ * @regs : MFI register set
+ */
+static inline void
+megasas_fire_cmd_ppc(dma_addr_t frame_phys_addr, u32 frame_count, struct megasas_register_set __iomem *regs)
+{
+ writel((frame_phys_addr | (frame_count<<1))|1,
+ &(regs)->inbound_queue_port);
+}
+
+static struct megasas_instance_template megasas_instance_template_ppc = {
+
+ .fire_cmd = megasas_fire_cmd_ppc,
+ .enable_intr = megasas_enable_intr_ppc,
+ .clear_intr = megasas_clear_intr_ppc,
+ .read_fw_status_reg = megasas_read_fw_status_reg_ppc,
+};
+
+/**
+* This is the end of set of functions & definitions
+* specific to ppc (deviceid : 0x60) controllers
+*/
+
+/**
* megasas_disable_intr - Disables interrupts
* @regs: MFI register set
*/
@@ -707,6 +793,20 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
return 0;
}
+static int megasas_slave_configure(struct scsi_device *sdev)
+{
+ /*
+ * Don't export physical disk devices to the disk driver.
+ *
+ * FIXME: Currently we don't export them to the midlayer at all.
+ * That will be fixed once LSI engineers have audited the
+ * firmware for possible issues.
+ */
+ if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK)
+ return -ENXIO;
+ return 0;
+}
+
/**
* megasas_wait_for_outstanding - Wait for all outstanding cmds
* @instance: Adapter soft state
@@ -857,6 +957,7 @@ static struct scsi_host_template megasas_template = {
.module = THIS_MODULE,
.name = "LSI Logic SAS based MegaRAID driver",
.proc_name = "megaraid_sas",
+ .slave_configure = megasas_slave_configure,
.queuecommand = megasas_queue_command,
.eh_device_reset_handler = megasas_reset_device,
.eh_bus_reset_handler = megasas_reset_bus_host,
@@ -985,20 +1086,6 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
break;
}
- /*
- * Don't export physical disk devices to mid-layer.
- */
- if (!MEGASAS_IS_LOGICAL(cmd->scmd) &&
- (hdr->cmd_status == MFI_STAT_OK) &&
- (cmd->scmd->cmnd[0] == INQUIRY)) {
-
- if (((*(u8 *) cmd->scmd->request_buffer) & 0x1F) ==
- TYPE_DISK) {
- cmd->scmd->result = DID_BAD_TARGET << 16;
- exception = 1;
- }
- }
-
case MFI_CMD_LD_READ:
case MFI_CMD_LD_WRITE:
@@ -1607,7 +1694,17 @@ static int megasas_init_mfi(struct megasas_instance *instance)
reg_set = instance->reg_set;
- instance->instancet = &megasas_instance_template_xscale;
+ switch(instance->pdev->device)
+ {
+ case PCI_DEVICE_ID_LSI_SAS1078R:
+ instance->instancet = &megasas_instance_template_ppc;
+ break;
+ case PCI_DEVICE_ID_LSI_SAS1064R:
+ case PCI_DEVICE_ID_DELL_PERC5:
+ default:
+ instance->instancet = &megasas_instance_template_xscale;
+ break;
+ }
/*
* We expect the FW state to be READY
@@ -1983,6 +2080,7 @@ static int megasas_io_attach(struct megasas_instance *instance)
host->max_channel = MEGASAS_MAX_CHANNELS - 1;
host->max_id = MEGASAS_MAX_DEV_PER_CHANNEL;
host->max_lun = MEGASAS_MAX_LUN;
+ host->max_cmd_len = 16;
/*
* Notify the mid-layer about the new controller
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index d6d166c0663..89639f0c38e 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -18,9 +18,9 @@
/**
* MegaRAID SAS Driver meta data
*/
-#define MEGASAS_VERSION "00.00.02.02"
-#define MEGASAS_RELDATE "Jan 23, 2006"
-#define MEGASAS_EXT_VERSION "Mon Jan 23 14:09:01 PST 2006"
+#define MEGASAS_VERSION "00.00.02.04"
+#define MEGASAS_RELDATE "Feb 03, 2006"
+#define MEGASAS_EXT_VERSION "Fri Feb 03 14:31:44 PST 2006"
/*
* =====================================
* MegaRAID SAS MFI firmware definitions
@@ -553,31 +553,46 @@ struct megasas_ctrl_info {
#define MFI_OB_INTR_STATUS_MASK 0x00000002
#define MFI_POLL_TIMEOUT_SECS 10
+#define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
+#define PCI_DEVICE_ID_LSI_SAS1078R 0x00000060
+
struct megasas_register_set {
+ u32 reserved_0[4]; /*0000h*/
- u32 reserved_0[4]; /*0000h */
+ u32 inbound_msg_0; /*0010h*/
+ u32 inbound_msg_1; /*0014h*/
+ u32 outbound_msg_0; /*0018h*/
+ u32 outbound_msg_1; /*001Ch*/
- u32 inbound_msg_0; /*0010h */
- u32 inbound_msg_1; /*0014h */
- u32 outbound_msg_0; /*0018h */
- u32 outbound_msg_1; /*001Ch */
+ u32 inbound_doorbell; /*0020h*/
+ u32 inbound_intr_status; /*0024h*/
+ u32 inbound_intr_mask; /*0028h*/
- u32 inbound_doorbell; /*0020h */
- u32 inbound_intr_status; /*0024h */
- u32 inbound_intr_mask; /*0028h */
+ u32 outbound_doorbell; /*002Ch*/
+ u32 outbound_intr_status; /*0030h*/
+ u32 outbound_intr_mask; /*0034h*/
- u32 outbound_doorbell; /*002Ch */
- u32 outbound_intr_status; /*0030h */
- u32 outbound_intr_mask; /*0034h */
+ u32 reserved_1[2]; /*0038h*/
- u32 reserved_1[2]; /*0038h */
+ u32 inbound_queue_port; /*0040h*/
+ u32 outbound_queue_port; /*0044h*/
- u32 inbound_queue_port; /*0040h */
- u32 outbound_queue_port; /*0044h */
+ u32 reserved_2[22]; /*0048h*/
- u32 reserved_2; /*004Ch */
+ u32 outbound_doorbell_clear; /*00A0h*/
- u32 index_registers[1004]; /*0050h */
+ u32 reserved_3[3]; /*00A4h*/
+
+ u32 outbound_scratch_pad ; /*00B0h*/
+
+ u32 reserved_4[3]; /*00B4h*/
+
+ u32 inbound_low_queue_port ; /*00C0h*/
+
+ u32 inbound_high_queue_port ; /*00C4h*/
+
+ u32 reserved_5; /*00C8h*/
+ u32 index_registers[820]; /*00CCh*/
} __attribute__ ((packed));
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 13:49:52 +0000