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[Qemu-devel] [PATCH 2/4] megasas: Implement get_bios and get_time DCMDs
From: |
Hannes Reinecke |
Subject: |
[Qemu-devel] [PATCH 2/4] megasas: Implement get_bios and get_time DCMDs |
Date: |
Tue, 18 May 2010 08:57:00 +0200 |
User-agent: |
Heirloom mailx 12.2 01/07/07 |
Some more functions.
Signed-off-by: Hannes Reinecke <address@hidden>
---
hw/megasas.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 64 insertions(+), 9 deletions(-)
diff --git a/hw/megasas.c b/hw/megasas.c
index 8f95596..c3b74ef 100644
--- a/hw/megasas.c
+++ b/hw/megasas.c
@@ -6,7 +6,7 @@
* This code is licenced under the LGPL.
*/
-
+#include <time.h>
#include <assert.h>
#include "hw.h"
@@ -210,6 +210,26 @@ static int megasas_get_inq(SCSIDevice *sdev, int pg,
uint8_t *buf, int buflen)
}
/*
+ * Utility functions
+ */
+static uint64_t megasas_fw_time(void)
+{
+ const time_t now = time(NULL);
+ struct tm *curtime;
+ uint64_t bcd_time;
+
+ curtime = gmtime(&now);
+ bcd_time = ((uint64_t)curtime->tm_sec & 0xff) << 48 |
+ ((uint64_t)curtime->tm_min & 0xff) << 40 |
+ ((uint64_t)curtime->tm_hour & 0xff) << 32 |
+ ((uint64_t)curtime->tm_mday & 0xff) << 24 |
+ ((uint64_t)curtime->tm_mon & 0xff) << 16 |
+ ((uint64_t)(curtime->tm_year + 1900) & 0xffff);
+
+ return bcd_time;
+}
+
+/*
* Frame handling
*/
@@ -462,6 +482,8 @@ static int megasas_ctrl_get_info(MPTState *s, struct
megasas_cmd_t *cmd)
info.device.port_count = 2;
memcpy(info.product_name,"MegaRAID SAS 8708EM2", 20);
+ sprintf(info.package_version,"%s-QEMU", QEMU_VERSION);
+ info.current_fw_time = megasas_fw_time();
info.max_arms = 32;
info.max_spans = 8;
info.max_arrays = MEGASAS_MAX_LUNS;
@@ -477,14 +499,16 @@ static int megasas_ctrl_get_info(MPTState *s, struct
megasas_cmd_t *cmd)
info.nvram_size = 32;
info.flash_size = 16;
info.raid_levels = MFI_INFO_RAID_0;
- info.adapter_ops = MFI_INFO_AOPS_RBLD_RATE | MFI_INFO_AOPS_SELF_DIAGNOSTIC
| MFI_INFO_AOPS_MIXED_ARRAY;
+ info.adapter_ops = MFI_INFO_AOPS_RBLD_RATE |
+ MFI_INFO_AOPS_SELF_DIAGNOSTIC |
+ MFI_INFO_AOPS_MIXED_ARRAY;
info.ld_ops = MFI_INFO_LDOPS_DISK_CACHE_POLICY |
MFI_INFO_LDOPS_ACCESS_POLICY |
MFI_INFO_LDOPS_IO_POLICY |
MFI_INFO_LDOPS_WRITE_POLICY |
MFI_INFO_LDOPS_READ_POLICY;
info.max_strips_per_io = 42;
- info.stripe_sz_ops.min = 6;
+ info.stripe_sz_ops.min = 4;
info.stripe_sz_ops.max = 0xf;
info.properties.pred_fail_poll_interval = 300;
info.properties.intr_throttle_cnt = 16;
@@ -513,17 +537,41 @@ static int megasas_mfc_get_defaults(MPTState *s, struct
megasas_cmd_t *cmd)
memset(&info, 0x0, sizeof(info));
- info.stripe_size = 64;
+ info.stripe_size = 8;
info.flush_time = 4;
+ info.background_rate = 30;
info.allow_mix_in_enclosure = 1;
info.allow_mix_in_ld = 1;
info.direct_pd_mapping = 1;
info.bios_enumerate_lds = 1;
+ info.disable_ctrl_r = 1;
memcpy(cmd->iov_buf, (uint8_t *)&info, sizeof(info));
return sizeof(info);
}
+static int megasas_dcmd_get_bios_info(MPTState *d, struct megasas_cmd_t *cmd)
+{
+ struct mfi_bios_data info;
+
+ memset(&info, 0x0, sizeof(info));
+ info.continue_on_error = 1;
+ info.do_not_int_13 = 1;
+ memcpy(cmd->iov_buf, (uint8_t *)&info, sizeof(info));
+
+ return sizeof(info);
+}
+
+static int megasas_dcmd_get_fw_time(MPTState *d, struct megasas_cmd_t *cmd)
+{
+ uint64_t fw_time;
+
+ fw_time = megasas_fw_time();
+ memcpy(cmd->iov_buf, (uint8_t *)&fw_time, sizeof(fw_time));
+
+ return sizeof(fw_time);
+}
+
static int megasas_dcmd_pd_get_list(MPTState *s, struct megasas_cmd_t *cmd)
{
struct mfi_pd_list info;
@@ -732,11 +780,11 @@ static int megasas_dcmd_dummy(MPTState *s, struct
megasas_cmd_t *cmd)
static int megasas_handle_dcmd(MPTState *s, struct megasas_cmd_t *cmd)
{
- int opcode, size = 0;
+ int opcode, size = 0, len;
int retval = 0;
opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
- megasas_map_dcmd(cmd);
+ len = megasas_map_dcmd(cmd);
#ifdef DEBUG_MEGASAS_MFI
DPRINTF("MFI DCMD opcode %x\n", opcode);
#endif
@@ -830,16 +878,23 @@ static int megasas_handle_dcmd(MPTState *s, struct
megasas_cmd_t *cmd)
#endif
retval = MFI_STAT_INVALID_DCMD;
break;
+ case MFI_DCMD_CTRL_GET_BIOS_INFO:
+ size = megasas_dcmd_get_bios_info(s, cmd);
+ retval = MFI_STAT_OK;
+ break;
+ case MFI_DCMD_CTRL_GET_TIME:
+ size = megasas_dcmd_get_fw_time(s, cmd);
+ retval = MFI_STAT_OK;
+ break;
case 0x010e0301:
case 0x010e0302:
case 0x010e8481:
- case MFI_DCMD_CTRL_GET_TIME:
- DPRINTF("MFI DCMD %x dummy return\n", opcode);
+ DPRINTF("MFI DCMD %x dummy return %d bytes\n", opcode, len);
size = megasas_dcmd_dummy(s, cmd);
retval = MFI_STAT_OK;
break;
default:
- DPRINTF("MFI DCMD %x unhandled\n", opcode);
+ DPRINTF("MFI DCMD %x unhandled (len %d)\n", opcode, len);
retval = MFI_STAT_INVALID_DCMD;
break;
}
--
1.6.0.2
- [Qemu-devel] [PATCH 2/4] megasas: Implement get_bios and get_time DCMDs,
Hannes Reinecke <=