diff options
Diffstat (limited to 'manuals/volta/gv100/dev_usermode.ref.txt')
| -rw-r--r-- | manuals/volta/gv100/dev_usermode.ref.txt | 105 |
1 files changed, 101 insertions, 4 deletions
diff --git a/manuals/volta/gv100/dev_usermode.ref.txt b/manuals/volta/gv100/dev_usermode.ref.txt index cb98f96..b0a00c9 100644 --- a/manuals/volta/gv100/dev_usermode.ref.txt +++ b/manuals/volta/gv100/dev_usermode.ref.txt @@ -19,6 +19,23 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -------------------------------------------------------------------------------- +CONTENTS + + Introduction + + Identification and Capabilities Registers + + PTIMER Current Time Registers + + Channel Work Submission Registers + + Key + +INTRODUCTION +=============================================================================== + + + This manual describes the USERMODE device. USERMODE is a mappable range of registers for use by usermode drivers. The range is 64KB aligned and 64KB in size to match the maximum page size of systems supported by NVIDIA hardware. @@ -34,11 +51,10 @@ USERMODE Usermode region 64K HOST #define NV_USERMODE 0x0081FFFF:0x00810000 /* RW--D */ - Table 1-1 Local Devices -2 - IDENTIFICATION AND CAPABILITIES REGISTERS +IDENTIFICATION AND CAPABILITIES REGISTERS =============================================================================== The first 128 bytes of the NV_USERMODE device are reserved for up to 32 @@ -59,7 +75,7 @@ volta_usermode_a. // Note: addresses up to 0x810080 are reserved for CGF and capabilities registers -3 - PTIMER CURRENT TIME REGISTERS +PTIMER CURRENT TIME REGISTERS =============================================================================== The TIME registers contain the current time as kept by the PTIMER; see @@ -98,7 +114,7 @@ TIME_1 Register - Timer High Bits -4 - CHANNEL WORK SUBMISSION REGISTERS +CHANNEL WORK SUBMISSION REGISTERS =============================================================================== NOTIFY_CHANNEL_PENDING - Notify Host that a channel has new work available @@ -132,3 +148,84 @@ next channel. #define NV_USERMODE_NOTIFY_CHANNEL_PENDING 0x00810090 /* -W-4R */ #define NV_USERMODE_NOTIFY_CHANNEL_PENDING_ID 31:0 /* -W-UF */ + + + +KEY +=============================================================================== + +-------------------------------------------------------------------------------- + KEY LEGEND +-------------------------------------------------------------------------------- + +Each define in the .ref file has a 5 field code to say what kind of define it is: i.e. /* RW--R */ +The following legend shows accepted values for each of the 5 fields: + Read, Write, Internal State, Declaration/Size, and Define Indicator. + + Read + ' ' = Other Information + '-' = Field is part of a write-only register + 'C' = Value read is always the same, constant value line follows (C) + 'R' = Value is read + + + Write + ' ' = Other Information + '-' = Must not be written (D), value ignored when written (R,A,F) + 'W' = Can be written + + + Internal State + ' ' = Other Information + '-' = No internal state + 'X' = Internal state, initial value is unknown + 'I' = Internal state, initial value is known and follows (I), see "Reset Signal" section for signal. + 'E' = Internal state, initial value is known and follows (E), see "Reset Signal" section for signal. + 'B' = Internal state, initial value is known and follows (B), see "Reset Signal" section for signal. + 'C' = Internal state, initial value is known and follows (C), see "Reset Signal" section for signal. + + 'V' = (legacy) Internal state, initialize at volatile reset + 'D' = (legacy) Internal state, default initial value at object creation (legacy: Only used in dev_ram.ref) + 'C' = (legacy) Internal state, initial value at object creation + 'C' = (legacy) Internal state, class-based initial value at object creation (legacy: Only used in dev_ram.ref) + + + Declaration/Size + ' ' = Other Information + '-' = Does Not Apply + 'V' = Type is void + 'U' = Type is unsigned integer + 'S' = Type is signed integer + 'F' = Type is IEEE floating point + '1' = Byte size (008) + '2' = Short size (016) + '3' = Three byte size (024) + '4' = Word size (032) + '8' = Double size (064) + + + Define Indicator + ' ' = Other Information + 'C' = Clear value + 'D' = Device + 'L' = Logical device. + 'M' = Memory + 'R' = Register + 'A' = Array of Registers + 'F' = Field + 'V' = Value + 'T' = Task + 'P' = Phantom Register + + 'B' = (legacy) Bundle address + 'G' = (legacy) General purpose configuration register + 'C' = (legacy) Class + + Reset signal defaults for graphics engine registers. + All graphics engine registers use the following defaults for reset signals: + 'E' = initialized with engine_reset_ + 'I' = initialized with context_reset_ + 'B' = initialized with reset_IB_dly_ + + Reset signal + For units that differ from the graphics engine defaults, the reset signals should be defined here: |