Author: andrew
Date: Thu Jul 14 17:10:54 2016
New Revision: 302849
URL: https://svnweb.freebsd.org/changeset/base/302849
Log:
Move structures only used by the GICv3 ITS driver from a shared header to
the ITS driver file. There is no need for other drivers to need to know
about these structures.
Obtained from: ABT Systems Ltd
MFC after: 1 month
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/arm64/arm64/gic_v3_var.h
head/sys/arm64/arm64/gicv3_its.c
Modified: head/sys/arm64/arm64/gic_v3_var.h
==============================================================================
--- head/sys/arm64/arm64/gic_v3_var.h Thu Jul 14 17:05:25 2016
(r302848)
+++ head/sys/arm64/arm64/gic_v3_var.h Thu Jul 14 17:10:54 2016
(r302849)
@@ -108,87 +108,6 @@ void gic_r_write_4(device_t, bus_size_t,
void gic_r_write_8(device_t, bus_size_t, uint64_t var);
/*
- * ITS
- */
-
-/* LPI chunk owned by ITS device */
-struct lpi_chunk {
- u_int lpi_base;
- u_int lpi_free; /* First free LPI in set */
- u_int lpi_num; /* Total number of LPIs in chunk */
- u_int lpi_busy; /* Number of busy LPIs in chink */
-};
-
-/* ITS device */
-struct its_dev {
- TAILQ_ENTRY(its_dev) entry;
- /* PCI device */
- device_t pci_dev;
- /* Device ID (i.e. PCI device ID) */
- uint32_t devid;
- /* List of assigned LPIs */
- struct lpi_chunk lpis;
- /* Virtual address of ITT */
- vm_offset_t itt;
- size_t itt_size;
-};
-
-/*
- * ITS command descriptor.
- * Idea for command description passing taken from Linux.
- */
-struct its_cmd_desc {
- uint8_t cmd_type;
-
- union {
- struct {
- struct its_dev *its_dev;
- struct its_col *col;
- uint32_t id;
- } cmd_desc_movi;
-
- struct {
- struct its_col *col;
- } cmd_desc_sync;
-
- struct {
- struct its_col *col;
- uint8_t valid;
- } cmd_desc_mapc;
-
- struct {
- struct its_dev *its_dev;
- struct its_col *col;
- uint32_t pid;
- uint32_t id;
- } cmd_desc_mapvi;
-
- struct {
- struct its_dev *its_dev;
- struct its_col *col;
- uint32_t pid;
- } cmd_desc_mapi;
-
- struct {
- struct its_dev *its_dev;
- uint8_t valid;
- } cmd_desc_mapd;
-
- struct {
- struct its_dev *its_dev;
- struct its_col *col;
- uint32_t pid;
- } cmd_desc_inv;
-
- struct {
- struct its_col *col;
- } cmd_desc_invall;
- };
-};
-
-#define ITS_TARGET_NONE 0xFBADBEEF
-
-/*
* GIC Distributor accessors.
* Notice that only GIC sofc can be passed.
*/
Modified: head/sys/arm64/arm64/gicv3_its.c
==============================================================================
--- head/sys/arm64/arm64/gicv3_its.c Thu Jul 14 17:05:25 2016
(r302848)
+++ head/sys/arm64/arm64/gicv3_its.c Thu Jul 14 17:10:54 2016
(r302849)
@@ -123,6 +123,83 @@ MALLOC_DEFINE(M_GICV3_ITS, "GICv3 ITS",
#define CMD_VALID_SHIFT (63)
#define CMD_VALID_MASK (1UL << CMD_VALID_SHIFT)
+#define ITS_TARGET_NONE 0xFBADBEEF
+
+/* LPI chunk owned by ITS device */
+struct lpi_chunk {
+ u_int lpi_base;
+ u_int lpi_free; /* First free LPI in set */
+ u_int lpi_num; /* Total number of LPIs in chunk */
+ u_int lpi_busy; /* Number of busy LPIs in chink */
+};
+
+/* ITS device */
+struct its_dev {
+ TAILQ_ENTRY(its_dev) entry;
+ /* PCI device */
+ device_t pci_dev;
+ /* Device ID (i.e. PCI device ID) */
+ uint32_t devid;
+ /* List of assigned LPIs */
+ struct lpi_chunk lpis;
+ /* Virtual address of ITT */
+ vm_offset_t itt;
+ size_t itt_size;
+};
+
+/*
+ * ITS command descriptor.
+ * Idea for command description passing taken from Linux.
+ */
+struct its_cmd_desc {
+ uint8_t cmd_type;
+
+ union {
+ struct {
+ struct its_dev *its_dev;
+ struct its_col *col;
+ uint32_t id;
+ } cmd_desc_movi;
+
+ struct {
+ struct its_col *col;
+ } cmd_desc_sync;
+
+ struct {
+ struct its_col *col;
+ uint8_t valid;
+ } cmd_desc_mapc;
+
+ struct {
+ struct its_dev *its_dev;
+ struct its_col *col;
+ uint32_t pid;
+ uint32_t id;
+ } cmd_desc_mapvi;
+
+ struct {
+ struct its_dev *its_dev;
+ struct its_col *col;
+ uint32_t pid;
+ } cmd_desc_mapi;
+
+ struct {
+ struct its_dev *its_dev;
+ uint8_t valid;
+ } cmd_desc_mapd;
+
+ struct {
+ struct its_dev *its_dev;
+ struct its_col *col;
+ uint32_t pid;
+ } cmd_desc_inv;
+
+ struct {
+ struct its_col *col;
+ } cmd_desc_invall;
+ };
+};
+
/* ITS command. Each command is 32 bytes long */
struct its_cmd {
uint64_t cmd_dword[4]; /* ITS command double word */
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