Re: [PATCH 01/13] pnv/xive: TIMA patch sets pre-req alignment and formatting changes

Mon, 26 Aug 2024 03:14:53 -0700 

On 8/1/24 22:29, Michael Kowal wrote:

From: Michael Kowal <ko...@linux.vnet.ibm.com>

Making some pre-requisite alignment changes ahead of the following patch
sets.  Making these changes now will ease the review of the patch sets.

Checkpatch wants the closing comment '*/' on a separate line, unless it is
on the same line as the starting comment '/*'.

There are also changes to prevent lines from spanning 80 columns.

Changed block of defines from:
    #define A 1  /* original define comment is not
                  * preferred, but not flagged... */
    #define B 2  /* Newly added define comment
                  * is flagged with a warning */
To:
    #define A 1  /* original define comment is */
                 /* now fine, no warning...    */
    #define B 2  /* Newly added define comment */
                 /* is fine...                 */

Signed-off-by: Michael Kowal <ko...@linux.vnet.ibm.com>



Reviewed-by: Cédric Le Goater <c...@redhat.com>

Thanks,

C.



---
  include/hw/ppc/xive_regs.h | 32 ++++++++---------
  hw/intc/xive.c             | 72 +++++++++++++++++++++++++-------------
  2 files changed, 64 insertions(+), 40 deletions(-)

diff --git a/include/hw/ppc/xive_regs.h b/include/hw/ppc/xive_regs.h
index b9db7abc2e..9d52d464d9 100644
--- a/include/hw/ppc/xive_regs.h
+++ b/include/hw/ppc/xive_regs.h
@@ -114,23 +114,23 @@
   * Then we have all these "special" CI ops at these offset that trigger
   * all sorts of side effects:
   */
-#define TM_SPC_ACK_EBB          0x800   /* Load8 ack EBB to reg*/
-#define TM_SPC_ACK_OS_REG       0x810   /* Load16 ack OS irq to reg */
+#define TM_SPC_ACK_EBB          0x800   /* Load8 ack EBB to reg               
*/
+#define TM_SPC_ACK_OS_REG       0x810   /* Load16 ack OS irq to reg           
*/
  #define TM_SPC_PUSH_USR_CTX     0x808   /* Store32 Push/Validate user context 
*/
-#define TM_SPC_PULL_USR_CTX     0x808   /* Load32 Pull/Invalidate user
-                                         * context */
-#define TM_SPC_SET_OS_PENDING   0x812   /* Store8 Set OS irq pending bit */
-#define TM_SPC_PULL_OS_CTX      0x818   /* Load32/Load64 Pull/Invalidate OS
-                                         * context to reg */
-#define TM_SPC_PULL_POOL_CTX    0x828   /* Load32/Load64 Pull/Invalidate Pool
-                                         * context to reg*/
-#define TM_SPC_ACK_HV_REG       0x830   /* Load16 ack HV irq to reg */
-#define TM_SPC_PULL_USR_CTX_OL  0xc08   /* Store8 Pull/Inval usr ctx to odd
-                                         * line */
-#define TM_SPC_ACK_OS_EL        0xc10   /* Store8 ack OS irq to even line */
-#define TM_SPC_ACK_HV_POOL_EL   0xc20   /* Store8 ack HV evt pool to even
-                                         * line */
-#define TM_SPC_ACK_HV_EL        0xc30   /* Store8 ack HV irq to even line */
+#define TM_SPC_PULL_USR_CTX     0x808   /* Load32 Pull/Invalidate user        
*/
+                                        /* context                            
*/
+#define TM_SPC_SET_OS_PENDING   0x812   /* Store8 Set OS irq pending bit      
*/
+#define TM_SPC_PULL_OS_CTX      0x818   /* Load32/Load64 Pull/Invalidate OS   
*/
+                                        /* context to reg                     
*/
+#define TM_SPC_PULL_POOL_CTX    0x828   /* Load32/Load64 Pull/Invalidate Pool 
*/
+                                        /* context to reg                     
*/
+#define TM_SPC_ACK_HV_REG       0x830   /* Load16 ack HV irq to reg           
*/
+#define TM_SPC_PULL_USR_CTX_OL  0xc08   /* Store8 Pull/Inval usr ctx to odd   
*/
+                                        /* line                               
*/
+#define TM_SPC_ACK_OS_EL        0xc10   /* Store8 ack OS irq to even line     
*/
+#define TM_SPC_ACK_HV_POOL_EL   0xc20   /* Store8 ack HV evt pool to even     
*/
+                                        /* line                               
*/
+#define TM_SPC_ACK_HV_EL        0xc30   /* Store8 ack HV irq to even line     
*/
  /* XXX more... */
/* NSR fields for the various QW ack types */ 
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index 5a02dd8e02..2fb38e2102 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -488,20 +488,32 @@ static const XiveTmOp xive_tm_operations[] = {
       * MMIOs below 2K : raw values and special operations without side
       * effects
       */
-    { XIVE_TM_OS_PAGE, TM_QW1_OS + TM_CPPR,   1, xive_tm_set_os_cppr, NULL },
-    { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2,     4, xive_tm_push_os_ctx, NULL 
},
-    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_CPPR, 1, xive_tm_set_hv_cppr, NULL 
},
-    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, xive_tm_vt_push, NULL },
-    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, NULL, xive_tm_vt_poll },
+    { XIVE_TM_OS_PAGE, TM_QW1_OS + TM_CPPR,       1, xive_tm_set_os_cppr,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2,      4, xive_tm_push_os_ctx,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_CPPR,  1, xive_tm_set_hv_cppr,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, xive_tm_vt_push,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, NULL,
+                                                     xive_tm_vt_poll },
/* MMIOs above 2K : special operations with side effects */ 
-    { XIVE_TM_OS_PAGE, TM_SPC_ACK_OS_REG,     2, NULL, xive_tm_ack_os_reg },
-    { XIVE_TM_OS_PAGE, TM_SPC_SET_OS_PENDING, 1, xive_tm_set_os_pending, NULL 
},
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,    4, NULL, xive_tm_pull_os_ctx },
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,    8, NULL, xive_tm_pull_os_ctx },
-    { XIVE_TM_HV_PAGE, TM_SPC_ACK_HV_REG,     2, NULL, xive_tm_ack_hv_reg },
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,  4, NULL, xive_tm_pull_pool_ctx },
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,  8, NULL, xive_tm_pull_pool_ctx },
+    { XIVE_TM_OS_PAGE, TM_SPC_ACK_OS_REG,         2, NULL,
+                                                     xive_tm_ack_os_reg },
+    { XIVE_TM_OS_PAGE, TM_SPC_SET_OS_PENDING,     1, xive_tm_set_os_pending,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,        4, NULL,
+                                                     xive_tm_pull_os_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,        8, NULL,
+                                                     xive_tm_pull_os_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_ACK_HV_REG,         2, NULL,
+                                                     xive_tm_ack_hv_reg },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,      4, NULL,
+                                                     xive_tm_pull_pool_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,      8, NULL,
+                                                     xive_tm_pull_pool_ctx },
  };
static const XiveTmOp xive2_tm_operations[] = { 
@@ -509,20 +521,32 @@ static const XiveTmOp xive2_tm_operations[] = {
       * MMIOs below 2K : raw values and special operations without side
       * effects
       */
-    { XIVE_TM_OS_PAGE, TM_QW1_OS + TM_CPPR,   1, xive_tm_set_os_cppr, NULL },
-    { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2,  4, xive2_tm_push_os_ctx, NULL },
-    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_CPPR, 1, xive_tm_set_hv_cppr, NULL 
},
-    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, xive_tm_vt_push, NULL },
-    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, NULL, xive_tm_vt_poll },
+    { XIVE_TM_OS_PAGE, TM_QW1_OS + TM_CPPR,       1, xive_tm_set_os_cppr,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW1_OS + TM_WORD2,      4, xive2_tm_push_os_ctx,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_CPPR,  1, xive_tm_set_hv_cppr,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, xive_tm_vt_push,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_QW3_HV_PHYS + TM_WORD2, 1, NULL,
+                                                     xive_tm_vt_poll },
/* MMIOs above 2K : special operations with side effects */ 
-    { XIVE_TM_OS_PAGE, TM_SPC_ACK_OS_REG,     2, NULL, xive_tm_ack_os_reg },
-    { XIVE_TM_OS_PAGE, TM_SPC_SET_OS_PENDING, 1, xive_tm_set_os_pending, NULL 
},
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,    4, NULL, xive2_tm_pull_os_ctx },
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,    8, NULL, xive2_tm_pull_os_ctx },
-    { XIVE_TM_HV_PAGE, TM_SPC_ACK_HV_REG,     2, NULL, xive_tm_ack_hv_reg },
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,  4, NULL, xive_tm_pull_pool_ctx },
-    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,  8, NULL, xive_tm_pull_pool_ctx },
+    { XIVE_TM_OS_PAGE, TM_SPC_ACK_OS_REG,         2, NULL,
+                                                     xive_tm_ack_os_reg },
+    { XIVE_TM_OS_PAGE, TM_SPC_SET_OS_PENDING,     1, xive_tm_set_os_pending,
+                                                     NULL },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,        4, NULL,
+                                                     xive2_tm_pull_os_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_OS_CTX,        8, NULL,
+                                                     xive2_tm_pull_os_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_ACK_HV_REG,         2, NULL,
+                                                     xive_tm_ack_hv_reg },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,      4, NULL,
+                                                     xive_tm_pull_pool_ctx },
+    { XIVE_TM_HV_PAGE, TM_SPC_PULL_POOL_CTX,      8, NULL,
+                                                     xive_tm_pull_pool_ctx },
  };
static const XiveTmOp *xive_tm_find_op(XivePresenter *xptr, hwaddr offset,

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