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path: root/drivers/net/ethernet/mellanox/mlx5/core
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c19
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/debugfs.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eq.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fw.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/health.c29
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c69
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c52
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/uar.c1
8 files changed, 108 insertions, 68 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 205753a04cfc..5472cbd34028 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -46,7 +46,7 @@
#include "mlx5_core.h"
enum {
- CMD_IF_REV = 3,
+ CMD_IF_REV = 5,
};
enum {
@@ -282,6 +282,12 @@ const char *mlx5_command_str(int command)
case MLX5_CMD_OP_TEARDOWN_HCA:
return "TEARDOWN_HCA";
+ case MLX5_CMD_OP_ENABLE_HCA:
+ return "MLX5_CMD_OP_ENABLE_HCA";
+
+ case MLX5_CMD_OP_DISABLE_HCA:
+ return "MLX5_CMD_OP_DISABLE_HCA";
+
case MLX5_CMD_OP_QUERY_PAGES:
return "QUERY_PAGES";
@@ -1113,7 +1119,13 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
for (i = 0; i < (1 << cmd->log_sz); i++) {
if (test_bit(i, &vector)) {
+ struct semaphore *sem;
+
ent = cmd->ent_arr[i];
+ if (ent->page_queue)
+ sem = &cmd->pages_sem;
+ else
+ sem = &cmd->sem;
ktime_get_ts(&ent->ts2);
memcpy(ent->out->first.data, ent->lay->out, sizeof(ent->lay->out));
dump_command(dev, ent, 0);
@@ -1136,10 +1148,7 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
} else {
complete(&ent->done);
}
- if (ent->page_queue)
- up(&cmd->pages_sem);
- else
- up(&cmd->sem);
+ up(sem);
}
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
index 4273c06e2e96..9c7194b26ee2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
@@ -156,7 +156,7 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count,
stats = filp->private_data;
spin_lock(&stats->lock);
if (stats->n)
- field = stats->sum / stats->n;
+ field = div64_u64(stats->sum, stats->n);
spin_unlock(&stats->lock);
ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field);
if (ret > 0) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index c02cbcfd0fb8..443cc4d7b024 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -268,7 +268,7 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
case MLX5_EVENT_TYPE_PAGE_REQUEST:
{
u16 func_id = be16_to_cpu(eqe->data.req_pages.func_id);
- s16 npages = be16_to_cpu(eqe->data.req_pages.num_pages);
+ s32 npages = be32_to_cpu(eqe->data.req_pages.num_pages);
mlx5_core_dbg(dev, "page request for func 0x%x, napges %d\n", func_id, npages);
mlx5_core_req_pages_handler(dev, func_id, npages);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index 72a5222447f5..f012658b6a92 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -113,7 +113,7 @@ int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev,
caps->log_max_srq = out->hca_cap.log_max_srqs & 0x1f;
caps->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f;
caps->log_max_mcg = out->hca_cap.log_max_mcg;
- caps->max_qp_mcg = be16_to_cpu(out->hca_cap.max_qp_mcg);
+ caps->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff;
caps->max_ra_res_qp = 1 << (out->hca_cap.log_max_ra_res_qp & 0x3f);
caps->max_ra_req_qp = 1 << (out->hca_cap.log_max_ra_req_qp & 0x3f);
caps->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 748f10a155c4..3e6670c4a7cd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -55,33 +55,9 @@ enum {
};
static DEFINE_SPINLOCK(health_lock);
-
static LIST_HEAD(health_list);
static struct work_struct health_work;
-static health_handler_t reg_handler;
-int mlx5_register_health_report_handler(health_handler_t handler)
-{
- spin_lock_irq(&health_lock);
- if (reg_handler) {
- spin_unlock_irq(&health_lock);
- return -EEXIST;
- }
- reg_handler = handler;
- spin_unlock_irq(&health_lock);
-
- return 0;
-}
-EXPORT_SYMBOL(mlx5_register_health_report_handler);
-
-void mlx5_unregister_health_report_handler(void)
-{
- spin_lock_irq(&health_lock);
- reg_handler = NULL;
- spin_unlock_irq(&health_lock);
-}
-EXPORT_SYMBOL(mlx5_unregister_health_report_handler);
-
static void health_care(struct work_struct *work)
{
struct mlx5_core_health *health, *n;
@@ -98,11 +74,8 @@ static void health_care(struct work_struct *work)
priv = container_of(health, struct mlx5_priv, health);
dev = container_of(priv, struct mlx5_core_dev, priv);
mlx5_core_warn(dev, "handling bad device here\n");
+ /* nothing yet */
spin_lock_irq(&health_lock);
- if (reg_handler)
- reg_handler(dev->pdev, health->health,
- sizeof(health->health));
-
list_del_init(&health->list);
spin_unlock_irq(&health_lock);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 12242de2b0e3..b47739b0b5f6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -249,6 +249,44 @@ static int set_hca_ctrl(struct mlx5_core_dev *dev)
return err;
}
+static int mlx5_core_enable_hca(struct mlx5_core_dev *dev)
+{
+ int err;
+ struct mlx5_enable_hca_mbox_in in;
+ struct mlx5_enable_hca_mbox_out out;
+
+ memset(&in, 0, sizeof(in));
+ memset(&out, 0, sizeof(out));
+ in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA);
+ err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+ if (err)
+ return err;
+
+ if (out.hdr.status)
+ return mlx5_cmd_status_to_err(&out.hdr);
+
+ return 0;
+}
+
+static int mlx5_core_disable_hca(struct mlx5_core_dev *dev)
+{
+ int err;
+ struct mlx5_disable_hca_mbox_in in;
+ struct mlx5_disable_hca_mbox_out out;
+
+ memset(&in, 0, sizeof(in));
+ memset(&out, 0, sizeof(out));
+ in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA);
+ err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+ if (err)
+ return err;
+
+ if (out.hdr.status)
+ return mlx5_cmd_status_to_err(&out.hdr);
+
+ return 0;
+}
+
int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev)
{
struct mlx5_priv *priv = &dev->priv;
@@ -304,28 +342,41 @@ int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev)
}
mlx5_pagealloc_init(dev);
+
+ err = mlx5_core_enable_hca(dev);
+ if (err) {
+ dev_err(&pdev->dev, "enable hca failed\n");
+ goto err_pagealloc_cleanup;
+ }
+
+ err = mlx5_satisfy_startup_pages(dev, 1);
+ if (err) {
+ dev_err(&pdev->dev, "failed to allocate boot pages\n");
+ goto err_disable_hca;
+ }
+
err = set_hca_ctrl(dev);
if (err) {
dev_err(&pdev->dev, "set_hca_ctrl failed\n");
- goto err_pagealloc_cleanup;
+ goto reclaim_boot_pages;
}
err = handle_hca_cap(dev);
if (err) {
dev_err(&pdev->dev, "handle_hca_cap failed\n");
- goto err_pagealloc_cleanup;
+ goto reclaim_boot_pages;
}
- err = mlx5_satisfy_startup_pages(dev);
+ err = mlx5_satisfy_startup_pages(dev, 0);
if (err) {
- dev_err(&pdev->dev, "failed to allocate startup pages\n");
- goto err_pagealloc_cleanup;
+ dev_err(&pdev->dev, "failed to allocate init pages\n");
+ goto reclaim_boot_pages;
}
err = mlx5_pagealloc_start(dev);
if (err) {
dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n");
- goto err_reclaim_pages;
+ goto reclaim_boot_pages;
}
err = mlx5_cmd_init_hca(dev);
@@ -396,9 +447,12 @@ err_stop_poll:
err_pagealloc_stop:
mlx5_pagealloc_stop(dev);
-err_reclaim_pages:
+reclaim_boot_pages:
mlx5_reclaim_startup_pages(dev);
+err_disable_hca:
+ mlx5_core_disable_hca(dev);
+
err_pagealloc_cleanup:
mlx5_pagealloc_cleanup(dev);
mlx5_cmd_cleanup(dev);
@@ -434,6 +488,7 @@ void mlx5_dev_cleanup(struct mlx5_core_dev *dev)
mlx5_cmd_teardown_hca(dev);
mlx5_pagealloc_stop(dev);
mlx5_reclaim_startup_pages(dev);
+ mlx5_core_disable_hca(dev);
mlx5_pagealloc_cleanup(dev);
mlx5_cmd_cleanup(dev);
iounmap(dev->iseg);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index f0bf46339b28..3a2408d44820 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -43,10 +43,16 @@ enum {
MLX5_PAGES_TAKE = 2
};
+enum {
+ MLX5_BOOT_PAGES = 1,
+ MLX5_INIT_PAGES = 2,
+ MLX5_POST_INIT_PAGES = 3
+};
+
struct mlx5_pages_req {
struct mlx5_core_dev *dev;
u32 func_id;
- s16 npages;
+ s32 npages;
struct work_struct work;
};
@@ -64,27 +70,23 @@ struct mlx5_query_pages_inbox {
struct mlx5_query_pages_outbox {
struct mlx5_outbox_hdr hdr;
- u8 reserved[2];
+ __be16 rsvd;
__be16 func_id;
- __be16 init_pages;
- __be16 num_pages;
+ __be32 num_pages;
};
struct mlx5_manage_pages_inbox {
struct mlx5_inbox_hdr hdr;
- __be16 rsvd0;
+ __be16 rsvd;
__be16 func_id;
- __be16 rsvd1;
- __be16 num_entries;
- u8 rsvd2[16];
+ __be32 num_entries;
__be64 pas[0];
};
struct mlx5_manage_pages_outbox {
struct mlx5_outbox_hdr hdr;
- u8 rsvd0[2];
- __be16 num_entries;
- u8 rsvd1[20];
+ __be32 num_entries;
+ u8 rsvd[4];
__be64 pas[0];
};
@@ -146,7 +148,7 @@ static struct page *remove_page(struct mlx5_core_dev *dev, u64 addr)
}
static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
- s16 *pages, s16 *init_pages)
+ s32 *npages, int boot)
{
struct mlx5_query_pages_inbox in;
struct mlx5_query_pages_outbox out;
@@ -155,6 +157,8 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
memset(&in, 0, sizeof(in));
memset(&out, 0, sizeof(out));
in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_PAGES);
+ in.hdr.opmod = boot ? cpu_to_be16(MLX5_BOOT_PAGES) : cpu_to_be16(MLX5_INIT_PAGES);
+
err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
if (err)
return err;
@@ -162,10 +166,7 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
if (out.hdr.status)
return mlx5_cmd_status_to_err(&out.hdr);
- if (pages)
- *pages = be16_to_cpu(out.num_pages);
- if (init_pages)
- *init_pages = be16_to_cpu(out.init_pages);
+ *npages = be32_to_cpu(out.num_pages);
*func_id = be16_to_cpu(out.func_id);
return err;
@@ -219,7 +220,7 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
in->hdr.opmod = cpu_to_be16(MLX5_PAGES_GIVE);
in->func_id = cpu_to_be16(func_id);
- in->num_entries = cpu_to_be16(npages);
+ in->num_entries = cpu_to_be32(npages);
err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out));
mlx5_core_dbg(dev, "err %d\n", err);
if (err) {
@@ -287,7 +288,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
in.hdr.opmod = cpu_to_be16(MLX5_PAGES_TAKE);
in.func_id = cpu_to_be16(func_id);
- in.num_entries = cpu_to_be16(npages);
+ in.num_entries = cpu_to_be32(npages);
mlx5_core_dbg(dev, "npages %d, outlen %d\n", npages, outlen);
err = mlx5_cmd_exec(dev, &in, sizeof(in), out, outlen);
if (err) {
@@ -301,7 +302,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
goto out_free;
}
- num_claimed = be16_to_cpu(out->num_entries);
+ num_claimed = be32_to_cpu(out->num_entries);
if (nclaimed)
*nclaimed = num_claimed;
@@ -340,7 +341,7 @@ static void pages_work_handler(struct work_struct *work)
}
void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
- s16 npages)
+ s32 npages)
{
struct mlx5_pages_req *req;
@@ -357,19 +358,20 @@ void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
queue_work(dev->priv.pg_wq, &req->work);
}
-int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev)
+int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot)
{
- s16 uninitialized_var(init_pages);
u16 uninitialized_var(func_id);
+ s32 uninitialized_var(npages);
int err;
- err = mlx5_cmd_query_pages(dev, &func_id, NULL, &init_pages);
+ err = mlx5_cmd_query_pages(dev, &func_id, &npages, boot);
if (err)
return err;
- mlx5_core_dbg(dev, "requested %d init pages for func_id 0x%x\n", init_pages, func_id);
+ mlx5_core_dbg(dev, "requested %d %s pages for func_id 0x%x\n",
+ npages, boot ? "boot" : "init", func_id);
- return give_pages(dev, func_id, init_pages, 0);
+ return give_pages(dev, func_id, npages, 0);
}
static int optimal_reclaimed_pages(void)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 71d4a3937200..68f5d9c77c7b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -164,6 +164,7 @@ int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari)
uuari->uars[i].map = ioremap(addr, PAGE_SIZE);
if (!uuari->uars[i].map) {
mlx5_cmd_free_uar(dev, uuari->uars[i].index);
+ err = -ENOMEM;
goto out_count;
}
mlx5_core_dbg(dev, "allocated uar index 0x%x, mmaped at %p\n",