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path: root/drivers/net/mlx4/fw.c
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Diffstat (limited to 'drivers/net/mlx4/fw.c')
-rw-r--r--drivers/net/mlx4/fw.c132
1 files changed, 96 insertions, 36 deletions
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index cfa5cc07233..c45cbe43a0c 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -37,6 +37,12 @@
#include "fw.h"
#include "icm.h"
+enum {
+ MLX4_COMMAND_INTERFACE_MIN_REV = 2,
+ MLX4_COMMAND_INTERFACE_MAX_REV = 3,
+ MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3,
+};
+
extern void __buggy_use_of_MLX4_GET(void);
extern void __buggy_use_of_MLX4_PUT(void);
@@ -103,6 +109,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
u16 size;
u16 stat_rate;
int err;
+ int i;
#define QUERY_DEV_CAP_OUT_SIZE 0x100
#define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10
@@ -131,6 +138,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
#define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
#define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36
#define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37
+#define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
#define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
#define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
@@ -172,7 +180,6 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP,
MLX4_CMD_TIME_CLASS_A);
-
if (err)
goto out;
@@ -212,18 +219,12 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev_cap->max_rdma_global = 1 << (field & 0x3f);
MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
dev_cap->local_ca_ack_delay = field & 0x1f;
- MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
- dev_cap->max_mtu = field >> 4;
- dev_cap->max_port_width = field & 0xf;
MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
- dev_cap->max_vl = field >> 4;
dev_cap->num_ports = field & 0xf;
- MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
- dev_cap->max_gids = 1 << (field & 0xf);
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
+ dev_cap->max_msg_sz = 1 << (field & 0x1f);
MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
dev_cap->stat_rate_support = stat_rate;
- MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
- dev_cap->max_pkeys = 1 << (field & 0xf);
MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
dev_cap->reserved_uars = field >> 4;
@@ -300,6 +301,42 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
MLX4_GET(dev_cap->max_icm_sz, outbox,
QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
+ if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
+ for (i = 1; i <= dev_cap->num_ports; ++i) {
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
+ dev_cap->max_vl[i] = field >> 4;
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
+ dev_cap->max_mtu[i] = field >> 4;
+ dev_cap->max_port_width[i] = field & 0xf;
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
+ dev_cap->max_gids[i] = 1 << (field & 0xf);
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET);
+ dev_cap->max_pkeys[i] = 1 << (field & 0xf);
+ }
+ } else {
+#define QUERY_PORT_MTU_OFFSET 0x01
+#define QUERY_PORT_WIDTH_OFFSET 0x06
+#define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07
+#define QUERY_PORT_MAX_VL_OFFSET 0x0b
+
+ for (i = 1; i <= dev_cap->num_ports; ++i) {
+ err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
+ MLX4_CMD_TIME_CLASS_B);
+ if (err)
+ goto out;
+
+ MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
+ dev_cap->max_mtu[i] = field & 0xf;
+ MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
+ dev_cap->max_port_width[i] = field & 0xf;
+ MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
+ dev_cap->max_gids[i] = 1 << (field >> 4);
+ dev_cap->max_pkeys[i] = 1 << (field & 0xf);
+ MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
+ dev_cap->max_vl[i] = field & 0xf;
+ }
+ }
+
if (dev_cap->bmme_flags & 1)
mlx4_dbg(dev, "Base MM extensions: yes "
"(flags %d, rsvd L_Key %08x)\n",
@@ -334,8 +371,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
- dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu,
- dev_cap->max_port_width);
+ dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu[1],
+ dev_cap->max_port_width[1]);
mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
@@ -452,10 +489,12 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev)
u32 *outbox;
int err = 0;
u64 fw_ver;
+ u16 cmd_if_rev;
u8 lg;
#define QUERY_FW_OUT_SIZE 0x100
#define QUERY_FW_VER_OFFSET 0x00
+#define QUERY_FW_CMD_IF_REV_OFFSET 0x0a
#define QUERY_FW_MAX_CMD_OFFSET 0x0f
#define QUERY_FW_ERR_START_OFFSET 0x30
#define QUERY_FW_ERR_SIZE_OFFSET 0x38
@@ -477,21 +516,40 @@ int mlx4_QUERY_FW(struct mlx4_dev *dev)
MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET);
/*
- * FW subminor version is at more signifant bits than minor
+ * FW subminor version is at more significant bits than minor
* version, so swap here.
*/
dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) |
((fw_ver & 0xffff0000ull) >> 16) |
((fw_ver & 0x0000ffffull) << 16);
+ MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET);
+ if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV ||
+ cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) {
+ mlx4_err(dev, "Installed FW has unsupported "
+ "command interface revision %d.\n",
+ cmd_if_rev);
+ mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n",
+ (int) (dev->caps.fw_ver >> 32),
+ (int) (dev->caps.fw_ver >> 16) & 0xffff,
+ (int) dev->caps.fw_ver & 0xffff);
+ mlx4_err(dev, "This driver version supports only revisions %d to %d.\n",
+ MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV);
+ err = -ENODEV;
+ goto out;
+ }
+
+ if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS)
+ dev->flags |= MLX4_FLAG_OLD_PORT_CMDS;
+
MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
cmd->max_cmds = 1 << lg;
- mlx4_dbg(dev, "FW version %d.%d.%03d, max commands %d\n",
+ mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n",
(int) (dev->caps.fw_ver >> 32),
(int) (dev->caps.fw_ver >> 16) & 0xffff,
(int) dev->caps.fw_ver & 0xffff,
- cmd->max_cmds);
+ cmd_if_rev, cmd->max_cmds);
MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET);
MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
@@ -687,13 +745,15 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
return err;
}
-int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int port)
+int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
{
struct mlx4_cmd_mailbox *mailbox;
u32 *inbox;
int err;
u32 flags;
+ u16 field;
+ if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
#define INIT_PORT_IN_SIZE 256
#define INIT_PORT_FLAGS_OFFSET 0x00
#define INIT_PORT_FLAG_SIG (1 << 18)
@@ -708,32 +768,32 @@ int mlx4_INIT_PORT(struct mlx4_dev *dev, struct mlx4_init_port_param *param, int
#define INIT_PORT_NODE_GUID_OFFSET 0x18
#define INIT_PORT_SI_GUID_OFFSET 0x20
- mailbox = mlx4_alloc_cmd_mailbox(dev);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
- inbox = mailbox->buf;
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ inbox = mailbox->buf;
- memset(inbox, 0, INIT_PORT_IN_SIZE);
+ memset(inbox, 0, INIT_PORT_IN_SIZE);
- flags = 0;
- flags |= param->set_guid0 ? INIT_PORT_FLAG_G0 : 0;
- flags |= param->set_node_guid ? INIT_PORT_FLAG_NG : 0;
- flags |= param->set_si_guid ? INIT_PORT_FLAG_SIG : 0;
- flags |= (param->vl_cap & 0xf) << INIT_PORT_VL_SHIFT;
- flags |= (param->port_width_cap & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
- MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
+ flags = 0;
+ flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT;
+ flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
+ MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET);
- MLX4_PUT(inbox, param->mtu, INIT_PORT_MTU_OFFSET);
- MLX4_PUT(inbox, param->max_gid, INIT_PORT_MAX_GID_OFFSET);
- MLX4_PUT(inbox, param->max_pkey, INIT_PORT_MAX_PKEY_OFFSET);
- MLX4_PUT(inbox, param->guid0, INIT_PORT_GUID0_OFFSET);
- MLX4_PUT(inbox, param->node_guid, INIT_PORT_NODE_GUID_OFFSET);
- MLX4_PUT(inbox, param->si_guid, INIT_PORT_SI_GUID_OFFSET);
+ field = 128 << dev->caps.mtu_cap[port];
+ MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
+ field = dev->caps.gid_table_len[port];
+ MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
+ field = dev->caps.pkey_table_len[port];
+ MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET);
- err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
- MLX4_CMD_TIME_CLASS_A);
+ err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT,
+ MLX4_CMD_TIME_CLASS_A);
- mlx4_free_cmd_mailbox(dev, mailbox);
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ } else
+ err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT,
+ MLX4_CMD_TIME_CLASS_A);
return err;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 08:03:32 +0000