提交 311fddc7 编写于 作者: S Somnath Kotur 提交者: David S. Miller

be2net: Support for FAT dump retrieval using ethtool --register-dump option

Signed-off-by: NSomnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 01dc7fec
......@@ -1186,6 +1186,113 @@ int be_cmd_get_die_temperature(struct be_adapter *adapter)
return status;
}
/* Uses synchronous mcc */
int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_fat *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
OPCODE_COMMON_MANAGE_FAT);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MANAGE_FAT, sizeof(*req));
req->fat_operation = cpu_to_le32(QUERY_FAT);
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_fat *resp = embedded_payload(wrb);
if (log_size && resp->log_size)
*log_size = le32_to_cpu(resp->log_size -
sizeof(u32));
}
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
void be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf)
{
struct be_dma_mem get_fat_cmd;
struct be_mcc_wrb *wrb;
struct be_cmd_req_get_fat *req;
struct be_sge *sge;
u32 offset = 0, total_size, buf_size, log_offset = sizeof(u32);
int status;
if (buf_len == 0)
return;
total_size = buf_len;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
while (total_size) {
buf_size = min(total_size, (u32)60*1024);
total_size -= buf_size;
get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + buf_size;
get_fat_cmd.va = pci_alloc_consistent(adapter->pdev,
get_fat_cmd.size,
&get_fat_cmd.dma);
if (!get_fat_cmd.va) {
status = -ENOMEM;
dev_err(&adapter->pdev->dev,
"Memory allocation failure while retrieving FAT data\n");
goto err;
}
req = get_fat_cmd.va;
sge = nonembedded_sgl(wrb);
be_wrb_hdr_prepare(wrb, get_fat_cmd.size, false, 1,
OPCODE_COMMON_MANAGE_FAT);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MANAGE_FAT, get_fat_cmd.size);
sge->pa_hi = cpu_to_le32(upper_32_bits(get_fat_cmd.size));
sge->pa_lo = cpu_to_le32(get_fat_cmd.dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(get_fat_cmd.size);
req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
req->read_log_offset = cpu_to_le32(log_offset);
req->read_log_length = cpu_to_le32(buf_size);
req->data_buffer_size = cpu_to_le32(buf_size);
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;
memcpy(buf + offset,
resp->data_buffer,
resp->read_log_length);
}
pci_free_consistent(adapter->pdev, get_fat_cmd.size,
get_fat_cmd.va,
get_fat_cmd.dma);
if (status)
dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
offset += buf_size;
log_offset += buf_size;
}
err:
spin_unlock_bh(&adapter->mcc_lock);
}
/* Uses Mbox */
int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)
{
......
......@@ -186,6 +186,7 @@ struct be_mcc_mailbox {
#define OPCODE_COMMON_NTWK_PMAC_ADD 59
#define OPCODE_COMMON_NTWK_PMAC_DEL 60
#define OPCODE_COMMON_FUNCTION_RESET 61
#define OPCODE_COMMON_MANAGE_FAT 68
#define OPCODE_COMMON_ENABLE_DISABLE_BEACON 69
#define OPCODE_COMMON_GET_BEACON_STATE 70
#define OPCODE_COMMON_READ_TRANSRECV_DATA 73
......@@ -380,6 +381,24 @@ struct be_cmd_resp_cq_create {
u16 rsvd0;
} __packed;
struct be_cmd_req_get_fat {
struct be_cmd_req_hdr hdr;
u32 fat_operation;
u32 read_log_offset;
u32 read_log_length;
u32 data_buffer_size;
u32 data_buffer[1];
} __packed;
struct be_cmd_resp_get_fat {
struct be_cmd_resp_hdr hdr;
u32 log_size;
u32 read_log_length;
u32 rsvd[2];
u32 data_buffer[1];
} __packed;
/******************** Create MCCQ ***************************/
/* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field */
......@@ -1148,4 +1167,6 @@ extern void be_detect_dump_ue(struct be_adapter *adapter);
extern int be_cmd_get_die_temperature(struct be_adapter *adapter);
extern int be_cmd_get_cntl_attributes(struct be_adapter *adapter);
extern int be_cmd_check_native_mode(struct be_adapter *adapter);
extern int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size);
extern void be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf);
......@@ -155,6 +155,25 @@ be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
drvinfo->eedump_len = 0;
}
static int
be_get_reg_len(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
u32 log_size = 0;
be_cmd_get_reg_len(adapter, &log_size);
return log_size;
}
static void
be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
{
struct be_adapter *adapter = netdev_priv(netdev);
memset(buf, 0, regs->len);
be_cmd_get_regs(adapter, regs->len, buf);
}
static int
be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
{
......@@ -737,6 +756,8 @@ const struct ethtool_ops be_ethtool_ops = {
.phys_id = be_phys_id,
.get_sset_count = be_get_sset_count,
.get_ethtool_stats = be_get_ethtool_stats,
.get_regs_len = be_get_reg_len,
.get_regs = be_get_regs,
.flash_device = be_do_flash,
.self_test = be_self_test,
};
......@@ -155,6 +155,10 @@
/********** SRIOV VF PCICFG OFFSET ********/
#define SRIOV_VF_PCICFG_OFFSET (4096)
/********** FAT TABLE ********/
#define RETRIEVE_FAT 0
#define QUERY_FAT 1
/* Flashrom related descriptors */
#define IMAGE_TYPE_FIRMWARE 160
#define IMAGE_TYPE_BOOTCODE 224
......
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