From 311fddc7569d7a3340d61de262cff11685060f74 Mon Sep 17 00:00:00 2001 From: Somnath Kotur Date: Wed, 16 Mar 2011 21:22:43 +0000 Subject: [PATCH] be2net: Support for FAT dump retrieval using ethtool --register-dump option Signed-off-by: Somnath Kotur Signed-off-by: David S. Miller --- drivers/net/benet/be_cmds.c | 107 +++++++++++++++++++++++++++++++++++++++++ drivers/net/benet/be_cmds.h | 21 ++++++++ drivers/net/benet/be_ethtool.c | 21 ++++++++ drivers/net/benet/be_hw.h | 4 ++ 4 files changed, 153 insertions(+) diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index 5a4a87e7..2aadf88 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -1186,6 +1186,113 @@ err: 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) { diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h index 4f254cf..3fb6e0a 100644 --- a/drivers/net/benet/be_cmds.h +++ b/drivers/net/benet/be_cmds.h @@ -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); diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c index aac248f..575ac659 100644 --- a/drivers/net/benet/be_ethtool.c +++ b/drivers/net/benet/be_ethtool.c @@ -156,6 +156,25 @@ be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) } 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) { struct be_adapter *adapter = netdev_priv(netdev); @@ -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, }; diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h index d4344a0..53d658a 100644 --- a/drivers/net/benet/be_hw.h +++ b/drivers/net/benet/be_hw.h @@ -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 -- 2.7.4