Thread (20 messages) 20 messages, 3 authors, 2017-03-21

Re: [PATCH V2 4/6] cxl: Rename some psl8 specific functions

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From: christophe lombard <hidden>
Date: 2017-03-21 09:38:54

Le 20/03/2017 à 17:26, Frederic Barrat a écrit :

Le 14/03/2017 à 12:08, Christophe Lombard a écrit :
quoted
Rename a few functions, changing the '_psl' suffix to '_psl8', to make
clear that the implementation is psl8 specific.
Those functions will have an equivalent implementation for the psl9 in
a later patch.

Signed-off-by: Christophe Lombard <redacted>
---
 drivers/misc/cxl/cxl.h     | 22 ++++++++++-----------
 drivers/misc/cxl/debugfs.c |  6 +++---
 drivers/misc/cxl/guest.c   |  2 +-
 drivers/misc/cxl/irq.c     |  2 +-
 drivers/misc/cxl/native.c  | 14 +++++++-------
 drivers/misc/cxl/pci.c     | 48 +++++++++++++++++++++++-----------------------
 6 files changed, 47 insertions(+), 47 deletions(-)
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h
index 3e03a66..1f04238 100644
--- a/drivers/misc/cxl/cxl.h
+++ b/drivers/misc/cxl/cxl.h
@@ -815,10 +815,10 @@ void afu_irq_name_free(struct cxl_context *ctx);

 #ifdef CONFIG_DEBUG_FS

-int cxl_attach_afu_directed_psl(struct cxl_context *ctx, u64 wed, u64 amr);
-int cxl_activate_dedicated_process_psl(struct cxl_afu *afu);
-int cxl_attach_dedicated_process_psl(struct cxl_context *ctx, u64 wed, u64 amr);
-void cxl_update_dedicated_ivtes_psl(struct cxl_context *ctx);
+int cxl_attach_afu_directed_psl8(struct cxl_context *ctx, u64 wed, u64 amr);
+int cxl_activate_dedicated_process_psl8(struct cxl_afu *afu);
+int cxl_attach_dedicated_process_psl8(struct cxl_context *ctx, u64 wed, u64 amr);
+void cxl_update_dedicated_ivtes_psl8(struct cxl_context *ctx);

See previous comment regarding "#ifdef CONFIG_DEBUG_FS"

The rest of the patch looks good to me.

  Fred
you are right. Thanks

quoted
 int cxl_debugfs_init(void);
 void cxl_debugfs_exit(void);
@@ -826,10 +826,10 @@ int cxl_debugfs_adapter_add(struct cxl *adapter);
 void cxl_debugfs_adapter_remove(struct cxl *adapter);
 int cxl_debugfs_afu_add(struct cxl_afu *afu);
 void cxl_debugfs_afu_remove(struct cxl_afu *afu);
-void cxl_stop_trace_psl(struct cxl *cxl);
-void cxl_debugfs_add_adapter_regs_psl(struct cxl *adapter, struct dentry *dir);
+void cxl_stop_trace_psl8(struct cxl *cxl);
+void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter, struct dentry *dir);
 void cxl_debugfs_add_adapter_regs_xsl(struct cxl *adapter, struct dentry *dir);
-void cxl_debugfs_add_afu_regs_psl(struct cxl_afu *afu, struct dentry *dir);
+void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir);

 #else /* CONFIG_DEBUG_FS */
@@ -931,9 +931,9 @@ struct cxl_irq_info {
 };

 void cxl_assign_psn_space(struct cxl_context *ctx);
-int cxl_invalidate_all_psl(struct cxl *adapter);
-irqreturn_t cxl_irq_psl(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
-irqreturn_t cxl_fail_irq_psl(struct cxl_afu *afu, struct cxl_irq_info *irq_info);
+int cxl_invalidate_all_psl8(struct cxl *adapter);
+irqreturn_t cxl_irq_psl8(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
+irqreturn_t cxl_fail_irq_psl8(struct cxl_afu *afu, struct cxl_irq_info *irq_info);
 int cxl_register_one_irq(struct cxl *adapter, irq_handler_t handler,
             void *cookie, irq_hw_number_t *dest_hwirq,
             unsigned int *dest_virq, const char *name);
@@ -944,7 +944,7 @@ int cxl_data_cache_flush(struct cxl *adapter);
 int cxl_afu_disable(struct cxl_afu *afu);
 int cxl_psl_purge(struct cxl_afu *afu);

-void cxl_native_irq_dump_regs_psl(struct cxl_context *ctx);
+void cxl_native_irq_dump_regs_psl8(struct cxl_context *ctx);
 void cxl_native_err_irq_dump_regs(struct cxl *adapter);
 int cxl_pci_vphb_add(struct cxl_afu *afu);
 void cxl_pci_vphb_remove(struct cxl_afu *afu);
diff --git a/drivers/misc/cxl/debugfs.c b/drivers/misc/cxl/debugfs.c
index 4848ebf..2ff10a9 100644
--- a/drivers/misc/cxl/debugfs.c
+++ b/drivers/misc/cxl/debugfs.c
@@ -15,7 +15,7 @@

 static struct dentry *cxl_debugfs;

-void cxl_stop_trace_psl(struct cxl *adapter)
+void cxl_stop_trace_psl8(struct cxl *adapter)
 {
     int slice;
@@ -53,7 +53,7 @@ static struct dentry *debugfs_create_io_x64(const char *name, umode_t mode,
                       (void __force *)value, &fops_io_x64);
 }

-void cxl_debugfs_add_adapter_regs_psl(struct cxl *adapter, struct dentry *dir)
+void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter, struct dentry *dir)
 {
     debugfs_create_io_x64("fir1", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_FIR1));
     debugfs_create_io_x64("fir2", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_FIR2));
@@ -92,7 +92,7 @@ void cxl_debugfs_adapter_remove(struct cxl *adapter)
     debugfs_remove_recursive(adapter->debugfs);
 }

-void cxl_debugfs_add_afu_regs_psl(struct cxl_afu *afu, struct dentry *dir)
+void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir)
 {
     debugfs_create_io_x64("fir", S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_FIR_SLICE_An));
     debugfs_create_io_x64("serr", S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_SERR_An));
diff --git a/drivers/misc/cxl/guest.c b/drivers/misc/cxl/guest.c
index f6ba698..3ad7381 100644
--- a/drivers/misc/cxl/guest.c
+++ b/drivers/misc/cxl/guest.c
@@ -169,7 +169,7 @@ static irqreturn_t guest_psl_irq(int irq, void *data)
         return IRQ_HANDLED;
     }

-    rc = cxl_irq_psl(irq, ctx, &irq_info);
+    rc = cxl_irq_psl8(irq, ctx, &irq_info);
     return rc;
 }
diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index 2fa119e..fa9f8a2 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -34,7 +34,7 @@ static irqreturn_t schedule_cxl_fault(struct cxl_context *ctx, u64 dsisr, u64 da
     return IRQ_HANDLED;
 }

-irqreturn_t cxl_irq_psl(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info)
+irqreturn_t cxl_irq_psl8(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info)
 {
     u64 dsisr, dar;
diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c
index 2d1b0c6..ea08605 100644
--- a/drivers/misc/cxl/native.c
+++ b/drivers/misc/cxl/native.c
@@ -258,7 +258,7 @@ void cxl_release_spa(struct cxl_afu *afu)
     }
 }

-int cxl_invalidate_all_psl(struct cxl *adapter)
+int cxl_invalidate_all_psl8(struct cxl *adapter)
 {
     unsigned long timeout = jiffies + (HZ * CXL_TIMEOUT);
@@ -578,7 +578,7 @@ static void update_ivtes_directed(struct cxl_context *ctx)
         WARN_ON(add_process_element(ctx));
 }

-int cxl_attach_afu_directed_psl(struct cxl_context *ctx, u64 wed, u64 amr)
+int cxl_attach_afu_directed_psl8(struct cxl_context *ctx, u64 wed, u64 amr)
 {
     u32 pid;
     int result;
@@ -671,7 +671,7 @@ static int deactivate_afu_directed(struct cxl_afu *afu)
     return 0;
 }

-int cxl_activate_dedicated_process_psl(struct cxl_afu *afu)
+int cxl_activate_dedicated_process_psl8(struct cxl_afu *afu)
 {
     dev_info(&afu->dev, "Activating dedicated process mode\n");
@@ -694,7 +694,7 @@ int cxl_activate_dedicated_process_psl(struct cxl_afu *afu)
     return cxl_chardev_d_afu_add(afu);
 }

-void cxl_update_dedicated_ivtes_psl(struct cxl_context *ctx)
+void cxl_update_dedicated_ivtes_psl8(struct cxl_context *ctx)
 {
     struct cxl_afu *afu = ctx->afu;
@@ -710,7 +710,7 @@ void cxl_update_dedicated_ivtes_psl(struct cxl_context *ctx)
             ((u64)ctx->irqs.range[3] & 0xffff));
 }

-int cxl_attach_dedicated_process_psl(struct cxl_context *ctx, u64 wed, u64 amr)
+int cxl_attach_dedicated_process_psl8(struct cxl_context *ctx, u64 wed, u64 amr)
 {
     struct cxl_afu *afu = ctx->afu;
     u64 pid;
@@ -880,7 +880,7 @@ static int native_get_irq_info(struct cxl_afu *afu, struct cxl_irq_info *info)
     return 0;
 }

-void cxl_native_irq_dump_regs_psl(struct cxl_context *ctx)
+void cxl_native_irq_dump_regs_psl8(struct cxl_context *ctx)
 {
     u64 fir1, fir2, fir_slice, serr, afu_debug;
@@ -916,7 +916,7 @@ static irqreturn_t native_handle_psl_slice_error(struct cxl_context *ctx,
     return cxl_ops->ack_irq(ctx, 0, errstat);
 }

-irqreturn_t cxl_fail_irq_psl(struct cxl_afu *afu, struct cxl_irq_info *irq_info)
+irqreturn_t cxl_fail_irq_psl8(struct cxl_afu *afu, struct cxl_irq_info *irq_info)
 {
     if (irq_info->dsisr & CXL_PSL_DSISR_TRANS)
         cxl_p2n_write(afu, CXL_PSL_TFC_An, CXL_PSL_TFC_An_AE);
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 4d475a5..b952527 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -377,7 +377,7 @@ static int calc_capp_routing(struct pci_dev *dev, u64 *chipid, u64 *capp_unit_id
     return 0;
 }

-static int init_implementation_adapter_regs_psl(struct cxl *adapter, struct pci_dev *dev)
+static int init_implementation_adapter_regs_psl8(struct cxl *adapter, struct pci_dev *dev)
 {
     u64 psl_dsnctl, psl_fircntl;
     u64 chipid;
@@ -434,7 +434,7 @@ static int init_implementation_adapter_regs_xsl(struct cxl *adapter, struct pci_
 /* For the PSL this is a multiple for 0 < n <= 7: */
 #define PSL_2048_250MHZ_CYCLES 1

-static void write_timebase_ctrl_psl(struct cxl *adapter)
+static void write_timebase_ctrl_psl8(struct cxl *adapter)
 {
     cxl_p1_write(adapter, CXL_PSL_TB_CTLSTAT,
              TBSYNC_CNT(2 * PSL_2048_250MHZ_CYCLES));
@@ -455,7 +455,7 @@ static void write_timebase_ctrl_xsl(struct cxl *adapter)
              TBSYNC_CNT(XSL_4000_CLOCKS));
 }

-static u64 timebase_read_psl(struct cxl *adapter)
+static u64 timebase_read_psl8(struct cxl *adapter)
 {
     return cxl_p1_read(adapter, CXL_PSL_Timebase);
 }
@@ -513,7 +513,7 @@ static void cxl_setup_psl_timebase(struct cxl *adapter, struct pci_dev *dev)
     return;
 }

-static int init_implementation_afu_regs_psl(struct cxl_afu *afu)
+static int init_implementation_afu_regs_psl8(struct cxl_afu *afu)
 {
     /* read/write masks for this slice */
     cxl_p1n_write(afu, CXL_PSL_APCALLOC_A, 0xFFFFFFFEFEFEFEFEULL);
@@ -996,7 +996,7 @@ static int cxl_afu_descriptor_looks_ok(struct cxl_afu *afu)
     return 0;
 }

-static int sanitise_afu_regs_psl(struct cxl_afu *afu)
+static int sanitise_afu_regs_psl8(struct cxl_afu *afu)
 {
     u64 reg;
@@ -1526,26 +1526,26 @@ static void cxl_deconfigure_adapter(struct cxl *adapter)
     pci_disable_device(pdev);
 }

-static const struct cxl_service_layer_ops psl_ops = {
-    .adapter_regs_init = init_implementation_adapter_regs_psl,
-    .invalidate_all = cxl_invalidate_all_psl,
-    .afu_regs_init = init_implementation_afu_regs_psl,
-    .sanitise_afu_regs = sanitise_afu_regs_psl,
+static const struct cxl_service_layer_ops psl8_ops = {
+    .adapter_regs_init = init_implementation_adapter_regs_psl8,
+    .invalidate_all = cxl_invalidate_all_psl8,
+    .afu_regs_init = init_implementation_afu_regs_psl8,
+    .sanitise_afu_regs = sanitise_afu_regs_psl8,
     .register_serr_irq = cxl_native_register_serr_irq,
     .release_serr_irq = cxl_native_release_serr_irq,
-    .handle_interrupt = cxl_irq_psl,
-    .fail_irq = cxl_fail_irq_psl,
-    .activate_dedicated_process = cxl_activate_dedicated_process_psl,
-    .attach_afu_directed = cxl_attach_afu_directed_psl,
-    .attach_dedicated_process = cxl_attach_dedicated_process_psl,
-    .update_dedicated_ivtes = cxl_update_dedicated_ivtes_psl,
-    .debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_psl,
-    .debugfs_add_afu_regs = cxl_debugfs_add_afu_regs_psl,
-    .psl_irq_dump_registers = cxl_native_irq_dump_regs_psl,
+    .handle_interrupt = cxl_irq_psl8,
+    .fail_irq = cxl_fail_irq_psl8,
+    .activate_dedicated_process = cxl_activate_dedicated_process_psl8,
+    .attach_afu_directed = cxl_attach_afu_directed_psl8,
+    .attach_dedicated_process = cxl_attach_dedicated_process_psl8,
+    .update_dedicated_ivtes = cxl_update_dedicated_ivtes_psl8,
+    .debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_psl8,
+    .debugfs_add_afu_regs = cxl_debugfs_add_afu_regs_psl8,
+    .psl_irq_dump_registers = cxl_native_irq_dump_regs_psl8,
     .err_irq_dump_registers = cxl_native_err_irq_dump_regs,
-    .debugfs_stop_trace = cxl_stop_trace_psl,
-    .write_timebase_ctrl = write_timebase_ctrl_psl,
-    .timebase_read = timebase_read_psl,
+    .debugfs_stop_trace = cxl_stop_trace_psl8,
+    .write_timebase_ctrl = write_timebase_ctrl_psl8,
+    .timebase_read = timebase_read_psl8,
     .capi_mode = OPAL_PHB_CAPI_MODE_CAPI,
     .needs_reset_before_disable = true,
 };
@@ -1566,8 +1566,8 @@ static void set_sl_ops(struct cxl *adapter, struct pci_dev *dev)
         adapter->native->sl_ops = &xsl_ops;
         adapter->min_pe = 1; /* Workaround for CX-4 hardware bug */
     } else {
-        dev_info(&dev->dev, "Device uses a PSL\n");
-        adapter->native->sl_ops = &psl_ops;
+        dev_info(&dev->dev, "Device uses a PSL8\n");
+        adapter->native->sl_ops = &psl8_ops;
     }
 }
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